Bumped v7.8.0

Co-authored-by: Tomas Della Vedova <delvedor@users.noreply.github.com>

.ci/certs/ca.crt

@@ -1,20 +1,20 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----

.ci/certs/ca.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----

.ci/certs/testnode.crt

@@ -1,19 +1,19 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----

.ci/certs/testnode.key

@@ -1,27 +1,27 @@
 -----BEGIN RSA PRIVATE KEY-----
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 -----END RSA PRIVATE KEY-----

.ci/certs/testnode_san.crt

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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+HRMEAjAAMA0GCSqGSIb3DQEBCwUAA4IBAQC+pauqM2wJjQaHyHu+kIm59P4b/5Oj
+IH1cYCQfMB7Y2UMLxp0ew+f7o7zzE2DA52YYFDWy6J5DVWtSBPyeFGgX+RH+aA+9
+Iv4cc9QpAs6aFjncorHrzNOrWLgCHIeRAxTR0CAkeP2dUZfDBuMpRyP6rAsYzyLH
+Rb3/BfYJSI5vxgt5Ke49Y/ljDKFJTyDmAVrHQ4JWrseYE1UZ2eDkBXeiRlYE/QtB
+YsrUSqdL6zvFZyUcilxDUUabNcA+GgeGZ2lAEA90F8vwi62QwRXo3Iv1Hz+6xc43
+nFofDK9D8/qkrUD9iuhpx1974QwPhwWyjn9RZRpbZA4ngRL+szdRXR4N
+-----END CERTIFICATE-----

.ci/certs/testnode_san.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

.ci/functions/cleanup.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+#
+# Shared cleanup routines between different steps
+#
+# Please source .ci/functions/imports.sh as a whole not just this file
+#
+# Version 1.0.0
+# - Initial version after refactor
+
+function cleanup_volume {
+  if [[ "$(docker volume ls -q -f name=$1)" ]]; then
+    echo -e "\033[34;1mINFO:\033[0m Removing volume $1\033[0m"
+    (docker volume rm "$1") || true
+  fi
+}
+function container_running {
+  if [[ "$(docker ps -q -f name=$1)" ]]; then
+    return 0;
+    else return 1;
+  fi
+}
+function cleanup_node {
+  if container_running "$1"; then
+    echo -e "\033[34;1mINFO:\033[0m Removing container $1\033[0m"
+    (docker container rm --force --volumes "$1") || true
+  fi
+  if [[ -n "$1" ]]; then
+    echo -e "\033[34;1mINFO:\033[0m Removing volume $1-${suffix}-data\033[0m"
+    cleanup_volume "$1-${suffix}-data"
+  fi
+}
+function cleanup_network {
+  if [[ "$(docker network ls -q -f name=$1)" ]]; then
+    echo -e "\033[34;1mINFO:\033[0m Removing network $1\033[0m"
+    (docker network rm "$1") || true
+  fi
+}
+
+function cleanup_trap {
+  status=$?
+  set +x
+  if [[ "$DETACH" != "true" ]]; then
+    echo -e "\033[34;1mINFO:\033[0m clean the network if not detached (start and exit)\033[0m"
+    cleanup_all_in_network "$1"
+  fi
+  # status is 0 or SIGINT
+  if [[ "$status" == "0" || "$status" == "130" ]]; then
+    echo -e "\n\033[32;1mSUCCESS run-tests\033[0m"
+    exit 0
+  else
+    echo -e "\n\033[31;1mFAILURE during run-tests\033[0m"
+    exit ${status}
+  fi
+};
+function cleanup_all_in_network {
+
+  if [[ -z "$(docker network ls -q -f name="^$1\$")" ]]; then
+    echo -e "\033[34;1mINFO:\033[0m $1 is already deleted\033[0m"
+    return 0
+  fi
+  containers=$(docker network inspect -f '{{ range $key, $value := .Containers }}{{ printf "%s\n" .Name}}{{ end }}' $1)
+  while read -r container; do
+    cleanup_node "$container"
+  done <<< "$containers"
+  cleanup_network $1
+  echo -e "\033[32;1mSUCCESS:\033[0m Cleaned up and exiting\033[0m"
+};

.ci/functions/imports.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+#
+# Sets up all the common variables and imports relevant functions
+#
+# Version 1.0.1
+# - Initial version after refactor
+# - Validate STACK_VERSION asap
+
+function require_stack_version() {
+  if [[ -z $STACK_VERSION ]]; then
+    echo -e "\033[31;1mERROR:\033[0m Required environment variable [STACK_VERSION] not set\033[0m"
+    exit 1
+  fi
+}
+
+require_stack_version
+
+if [[ -z $es_node_name ]]; then
+  # only set these once
+  set -euo pipefail
+  export TEST_SUITE=${TEST_SUITE-oss}
+  export RUNSCRIPTS=${RUNSCRIPTS-}
+  export DETACH=${DETACH-false}
+  export CLEANUP=${CLEANUP-false}
+
+  export es_node_name=instance
+  export elastic_password=changeme
+  export elasticsearch_image=elasticsearch
+  export elasticsearch_url=https://elastic:${elastic_password}@${es_node_name}:9200
+  if [[ $TEST_SUITE != "xpack" ]]; then
+    export elasticsearch_image=elasticsearch-${TEST_SUITE}
+    export elasticsearch_url=http://${es_node_name}:9200
+  fi
+  export external_elasticsearch_url=${elasticsearch_url/$es_node_name/localhost}
+  export elasticsearch_container="${elasticsearch_image}:${STACK_VERSION}"
+
+  export suffix=rest-test
+  export moniker=$(echo "$elasticsearch_container" | tr -C "[:alnum:]" '-')
+  export network_name=${moniker}${suffix}
+
+  export ssl_cert="${script_path}/certs/testnode.crt"
+  export ssl_key="${script_path}/certs/testnode.key"
+  export ssl_ca="${script_path}/certs/ca.crt"
+
+fi
+
+  export script_path=$(dirname $(realpath -s $0))
+  source $script_path/functions/cleanup.sh
+  source $script_path/functions/wait-for-container.sh
+  trap "cleanup_trap ${network_name}" EXIT
+
+
+if [[ "$CLEANUP" == "true" ]]; then
+  cleanup_all_in_network $network_name
+  exit 0
+fi
+
+echo -e "\033[34;1mINFO:\033[0m Creating network $network_name if it does not exist already \033[0m"
+docker network inspect "$network_name" > /dev/null 2>&1 || docker network create "$network_name"
+

.ci/functions/wait-for-container.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+#
+# Exposes a routine scripts can call to wait for a container if that container set up a health command
+#
+# Please source .ci/functions/imports.sh as a whole not just this file
+#
+# Version 1.0.1
+# - Initial version after refactor
+# - Make sure wait_for_contiainer is silent
+
+function wait_for_container {
+  set +x
+  until ! container_running "$1" || (container_running "$1" && [[ "$(docker inspect -f "{{.State.Health.Status}}" ${1})" != "starting" ]]); do
+    echo ""
+    docker inspect -f "{{range .State.Health.Log}}{{.Output}}{{end}}" ${1}
+    echo -e "\033[34;1mINFO:\033[0m waiting for node $1 to be up\033[0m"
+    sleep 2;
+  done;
+
+  # Always show logs if the container is running, this is very useful both on CI as well as while developing
+  if container_running $1; then
+    docker logs $1
+  fi
+
+  if ! container_running $1 || [[ "$(docker inspect -f "{{.State.Health.Status}}" ${1})" != "healthy" ]]; then
+    cleanup_all_in_network $2
+    echo
+    echo -e "\033[31;1mERROR:\033[0m Failed to start $1 in detached mode beyond health checks\033[0m"
+    echo -e "\033[31;1mERROR:\033[0m dumped the docker log before shutting the node down\033[0m"
+    return 1
+  else
+    echo
+    echo -e "\033[32;1mSUCCESS:\033[0m Detached and healthy: ${1} on docker network: ${network_name}\033[0m"
+    return 0
+  fi
+}

.ci/jobs/defaults.yml

@@ -1,4 +1,4 @@
----
+
 
 ##### GLOBAL METADATA
 
@@ -42,7 +42,7 @@
     - axis:
         type: yaml
         filename: .ci/test-matrix.yml
-        name: ELASTICSEARCH_VERSION
+        name: STACK_VERSION
     - axis:
         type: yaml
         filename: .ci/test-matrix.yml

.ci/packer_cache.sh

@@ -2,7 +2,8 @@
 
 source /usr/local/bin/bash_standard_lib.sh
 
-DOCKER_IMAGES="node:12-alpine
+DOCKER_IMAGES="node:14-alpine
+node:12-alpine
 node:10-alpine
 node:8-alpine
 "

.ci/run-elasticsearch.sh

@@ -3,108 +3,34 @@
 # Launch one or more Elasticsearch nodes via the Docker image,
 # to form a cluster suitable for running the REST API tests.
 #
-# Export the ELASTICSEARCH_VERSION variable, eg. 'elasticsearch:8.0.0-SNAPSHOT'.
+# Export the STACK_VERSION variable, eg. '8.0.0-SNAPSHOT'.
+# Export the TEST_SUITE variable, eg. 'oss' or 'xpack' defaults to 'oss'.
+# Export the NUMBER_OF_NODES variable to start more than 1 node
 
-# Version 1.0
+# Version 1.1.0
 # - Initial version of the run-elasticsearch.sh script
+# - Deleting the volume should not dependent on the container still running
+# - Fixed `ES_JAVA_OPTS` config
+# - Moved to STACK_VERSION and TEST_VERSION
+# - Refactored into functions and imports
+# - Support NUMBER_OF_NODES
 
+script_path=$(dirname $(realpath -s $0))
+source $script_path/functions/imports.sh
+set -euo pipefail
 
-if [[ -z "$ELASTICSEARCH_VERSION" ]]; then
-  echo -e "\033[31;1mERROR:\033[0m Required environment variable [ELASTICSEARCH_VERSION] not set\033[0m"
-  exit 1
-fi
+echo -e "\033[34;1mINFO:\033[0m Take down node if called twice with the same arguments (DETACH=true) or on seperate terminals \033[0m"
+cleanup_node $es_node_name
 
-set -euxo pipefail
-
-SCRIPT_PATH=$(dirname $(realpath -s $0))
-
-moniker=$(echo "$ELASTICSEARCH_VERSION" | tr -C "[:alnum:]" '-')
-suffix=rest-test
-
-NODE_NAME=${NODE_NAME-${moniker}node1}
-MASTER_NODE_NAME=${MASTER_NODE_NAME-${NODE_NAME}}
-CLUSTER_NAME=${CLUSTER_NAME-${moniker}${suffix}}
-HTTP_PORT=${HTTP_PORT-9200}
-
-ELASTIC_PASSWORD=${ELASTIC_PASSWORD-changeme}
-SSL_CERT=${SSL_CERT-"${SCRIPT_PATH}/certs/testnode.crt"}
-SSL_KEY=${SSL_KEY-"${SCRIPT_PATH}/certs/testnode.key"}
-SSL_CA=${SSL_CA-"${SCRIPT_PATH}/certs/ca.crt"}
-SSL_CA_PEM=${SSL_CA-"${SCRIPT_PATH}/certs/ca.pem"}
-
-DETACH=${DETACH-false}
-CLEANUP=${CLEANUP-false}
-
-volume_name=${NODE_NAME}-${suffix}-data
-network_default=${moniker}${suffix}
-NETWORK_NAME=${NETWORK_NAME-"$network_default"}
-
-set +x
-
-function cleanup_volume {
-  if [[ "$(docker volume ls -q -f name=$1)" ]]; then
-    echo -e "\033[34;1mINFO:\033[0m Removing volume $1\033[0m"
-    (docker volume rm "$1") || true
-  fi
-}
-function container_running {
-  if [[ "$(docker ps -q -f name=$1)" ]]; then 
-    return 0;
-    else return 1;
-  fi
-}
-function cleanup_node {
-  if container_running "$1"; then
-    echo -e "\033[34;1mINFO:\033[0m Removing container $1\033[0m"
-    (docker container rm --force --volumes "$1") || true
-    cleanup_volume "$1-${suffix}-data"
-  fi
-}
-function cleanup_network {
-  if [[ "$(docker network ls -q -f name=$1)" ]]; then
-    echo -e "\033[34;1mINFO:\033[0m Removing network $1\033[0m"
-    (docker network rm "$1") || true
-  fi
-}
-
-function cleanup {
-  if [[ "$DETACH" != "true" ]] || [[ "$1" == "1" ]]; then
-    echo -e "\033[34;1mINFO:\033[0m clean the node and volume on startup (1) OR on exit if not detached\033[0m"
-    cleanup_node "$NODE_NAME"
-  fi
-  if [[ "$DETACH" != "true" ]]; then
-    echo -e "\033[34;1mINFO:\033[0m clean the network if not detached (start and exit)\033[0m"
-    cleanup_network "$NETWORK_NAME"
-  fi
-};
-trap "cleanup 0" EXIT
-
-if [[ "$CLEANUP" == "true" ]]; then
-  trap - EXIT
-  if [[ -z "$(docker network ls -q -f name=${NETWORK_NAME})" ]]; then
-    echo -e "\033[34;1mINFO:\033[0m $NETWORK_NAME is already deleted\033[0m"
-    exit 0
-  fi
-  containers=$(docker network inspect -f '{{ range $key, $value := .Containers }}{{ printf "%s\n" .Name}}{{ end }}' ${NETWORK_NAME})
-  while read -r container; do
-    cleanup_node "$container"
-  done <<< "$containers"
-  cleanup_network "$NETWORK_NAME"
-  echo -e "\033[32;1mSUCCESS:\033[0m Cleaned up and exiting\033[0m"
-  exit 0
-fi
-
-echo -e "\033[34;1mINFO:\033[0m Making sure previous run leftover infrastructure is removed \033[0m"
-cleanup 1
-
-echo -e "\033[34;1mINFO:\033[0m Creating network $NETWORK_NAME if it does not exist already \033[0m"
-docker network inspect "$NETWORK_NAME" > /dev/null 2>&1 || docker network create "$NETWORK_NAME"
+master_node_name=${es_node_name}
+cluster_name=${moniker}${suffix}
 
+declare -a volumes
 environment=($(cat <<-END
-  --env node.name=$NODE_NAME
-  --env cluster.name=$CLUSTER_NAME
-  --env cluster.initial_master_nodes=$MASTER_NODE_NAME
-  --env discovery.seed_hosts=$MASTER_NODE_NAME
+  --env node.name=$es_node_name
+  --env cluster.name=$cluster_name
+  --env cluster.initial_master_nodes=$master_node_name
+  --env discovery.seed_hosts=$master_node_name
   --env cluster.routing.allocation.disk.threshold_enabled=false
   --env bootstrap.memory_lock=true
   --env node.attr.testattr=test
@@ -112,15 +38,9 @@ environment=($(cat <<-END
   --env repositories.url.allowed_urls=http://snapshot.test*
 END
 ))
-
-volumes=($(cat <<-END
-  --volume $volume_name:/usr/share/elasticsearch/data
-END
-))
-
-if [[ "$ELASTICSEARCH_VERSION" != *oss* ]]; then
+if [[ "$TEST_SUITE" == "xpack" ]]; then
   environment+=($(cat <<-END
-    --env ELASTIC_PASSWORD=$ELASTIC_PASSWORD
+    --env ELASTIC_PASSWORD=$elastic_password
     --env xpack.license.self_generated.type=trial
     --env xpack.security.enabled=true
     --env xpack.security.http.ssl.enabled=true
@@ -135,67 +55,61 @@ if [[ "$ELASTICSEARCH_VERSION" != *oss* ]]; then
 END
 ))
   volumes+=($(cat <<-END
-    --volume $SSL_CERT:/usr/share/elasticsearch/config/certs/testnode.crt
-    --volume $SSL_KEY:/usr/share/elasticsearch/config/certs/testnode.key
-    --volume $SSL_CA:/usr/share/elasticsearch/config/certs/ca.crt
-    --volume $SSL_CA_PEM:/usr/share/elasticsearch/config/certs/ca.pem
+    --volume $ssl_cert:/usr/share/elasticsearch/config/certs/testnode.crt
+    --volume $ssl_key:/usr/share/elasticsearch/config/certs/testnode.key
+    --volume $ssl_ca:/usr/share/elasticsearch/config/certs/ca.crt
 END
 ))
 fi
 
-url="http://$NODE_NAME"
-if [[ "$ELASTICSEARCH_VERSION" != *oss* ]]; then
-  url="https://elastic:$ELASTIC_PASSWORD@$NODE_NAME"
+cert_validation_flags=""
+if [[ "$TEST_SUITE" == "xpack" ]]; then
+  cert_validation_flags="--insecure --cacert /usr/share/elasticsearch/config/certs/ca.crt --resolve ${es_node_name}:443:127.0.0.1"
 fi
 
-cert_validation_flags="--insecure"
-if [[ "$NODE_NAME" == "instance" ]]; then
-  cert_validation_flags="--cacert /usr/share/elasticsearch/config/certs/ca.pem --resolve ${NODE_NAME}:443:127.0.0.1"
-fi
+NUMBER_OF_NODES=${NUMBER_OF_NODES-1}
+http_port=9200
+for (( i=0; i<$NUMBER_OF_NODES; i++, http_port++ )); do
+  node_name=${es_node_name}$i
+  node_url=${external_elasticsearch_url/9200/${http_port}}$i
+  if [[ "$i" == "0" ]]; then node_name=$es_node_name; fi
+  environment+=($(cat <<-END
+    --env node.name=$node_name
+END
+))
+  echo "$i: $http_port $node_url "
+  volume_name=${node_name}-${suffix}-data
+  volumes+=($(cat <<-END
+    --volume $volume_name:/usr/share/elasticsearch/data${i}
+END
+))
 
-echo -e "\033[34;1mINFO:\033[0m Starting container $NODE_NAME \033[0m"
-set -x
-docker run \
-  --name "$NODE_NAME" \
-  --network "$NETWORK_NAME" \
-  --env ES_JAVA_OPTS=-"Xms1g -Xmx1g" \
-  "${environment[@]}" \
-  "${volumes[@]}" \
-  --publish "$HTTP_PORT":9200 \
-  --ulimit nofile=65536:65536 \
-  --ulimit memlock=-1:-1 \
-  --detach="$DETACH" \
-  --health-cmd="curl $cert_validation_flags --fail $url:9200/_cluster/health || exit 1" \
-  --health-interval=2s \
-  --health-retries=20 \
-  --health-timeout=2s \
-  --rm \
-  docker.elastic.co/elasticsearch/"$ELASTICSEARCH_VERSION";
-set +x
+  # make sure we detach for all but the last node if DETACH=false (default) so all nodes are started
+  local_detach="true"
+  if [[ "$i" == "$((NUMBER_OF_NODES-1))" ]]; then local_detach=$DETACH; fi
+  echo -e "\033[34;1mINFO:\033[0m Starting container $node_name \033[0m"
+  set -x
+  docker run \
+    --name "$node_name" \
+    --network "$network_name" \
+    --env "ES_JAVA_OPTS=-Xms1g -Xmx1g" \
+    "${environment[@]}" \
+    "${volumes[@]}" \
+    --publish "$http_port":9200 \
+    --ulimit nofile=65536:65536 \
+    --ulimit memlock=-1:-1 \
+    --detach="$local_detach" \
+    --health-cmd="curl $cert_validation_flags --fail $elasticsearch_url/_cluster/health || exit 1" \
+    --health-interval=2s \
+    --health-retries=20 \
+    --health-timeout=2s \
+    --rm \
+    docker.elastic.co/elasticsearch/"$elasticsearch_container";
 
-if [[ "$DETACH" == "true" ]]; then
-  until ! container_running "$NODE_NAME" || (container_running "$NODE_NAME" && [[ "$(docker inspect -f "{{.State.Health.Status}}" ${NODE_NAME})" != "starting" ]]); do
-    echo ""
-    docker inspect -f "{{range .State.Health.Log}}{{.Output}}{{end}}" ${NODE_NAME}
-    echo -e "\033[34;1mINFO:\033[0m waiting for node $NODE_NAME to be up\033[0m"
-    sleep 2;
-  done;
-
-  # Always show logs if the container is running, this is very useful both on CI as well as while developing
-  if container_running $NODE_NAME; then
-    docker logs $NODE_NAME
+  set +x
+  if wait_for_container "$es_node_name" "$network_name"; then
+    echo -e "\033[32;1mSUCCESS:\033[0m Running on: $node_url\033[0m"
   fi
 
-  if ! container_running $NODE_NAME || [[ "$(docker inspect -f "{{.State.Health.Status}}" ${NODE_NAME})" != "healthy" ]]; then
-    cleanup 1
-    echo
-    echo -e "\033[31;1mERROR:\033[0m Failed to start ${ELASTICSEARCH_VERSION} in detached mode beyond health checks\033[0m"
-    echo -e "\033[31;1mERROR:\033[0m dumped the docker log before shutting the node down\033[0m"
-    exit 1
-  else
-    echo
-    echo -e "\033[32;1mSUCCESS:\033[0m Detached and healthy: ${NODE_NAME} on docker network: ${NETWORK_NAME}\033[0m"
-    echo -e "\033[32;1mSUCCESS:\033[0m Running on: ${url/$NODE_NAME/localhost}:${HTTP_PORT}\033[0m"
-    exit 0
-  fi
-fi
+done
+

.ci/run-repository.sh

@@ -1,61 +1,46 @@
 #!/usr/bin/env bash
 # parameters are available to this script
 
-# ELASTICSEARCH_VERSION -- version e.g Major.Minor.Patch(-Prelease)
-# ELASTICSEARCH_CONTAINER -- the docker moniker as a reference to know which docker image distribution is used
-# ELASTICSEARCH_URL -- The url at which elasticsearch is reachable
-# NETWORK_NAME -- The docker network name
-# NODE_NAME -- The docker container name also used as Elasticsearch node name
+# STACK_VERSION -- version e.g Major.Minor.Patch(-Prelease)
+# TEST_SUITE -- which test suite to run: oss or xpack
+# ELASTICSEARCH_URL -- The url at which elasticsearch is reachable, a default is composed based on STACK_VERSION and TEST_SUITE
 # NODE_JS_VERSION -- node js version (defined in test-matrix.yml, a default is hardcoded here)
+script_path=$(dirname $(realpath -s $0))
+source $script_path/functions/imports.sh
+set -euo pipefail
 
 NODE_JS_VERSION=${NODE_JS_VERSION-12}
+ELASTICSEARCH_URL=${ELASTICSEARCH_URL-"$elasticsearch_url"}
+elasticsearch_container=${elasticsearch_container-}
 
-echo -e "\033[34;1mINFO:\033[0m URL ${ELASTICSEARCH_URL}\033[0m"
-echo -e "\033[34;1mINFO:\033[0m VERSION ${ELASTICSEARCH_VERSION}\033[0m"
-echo -e "\033[34;1mINFO:\033[0m CONTAINER ${ELASTICSEARCH_CONTAINER}\033[0m"
+echo -e "\033[34;1mINFO:\033[0m VERSION ${STACK_VERSION}\033[0m"
 echo -e "\033[34;1mINFO:\033[0m TEST_SUITE ${TEST_SUITE}\033[0m"
+echo -e "\033[34;1mINFO:\033[0m URL ${ELASTICSEARCH_URL}\033[0m"
+echo -e "\033[34;1mINFO:\033[0m CONTAINER ${elasticsearch_container}\033[0m"
 echo -e "\033[34;1mINFO:\033[0m NODE_JS_VERSION ${NODE_JS_VERSION}\033[0m"
 
 echo -e "\033[1m>>>>> Build docker container >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
 
-set -eo pipefail
-
-set +x
-export VAULT_TOKEN=$(vault write -field=token auth/approle/login role_id="$VAULT_ROLE_ID" secret_id="$VAULT_SECRET_ID")
-export CODECOV_TOKEN=$(vault read -field=token secret/clients-ci/elasticsearch-js/codecov)
-unset VAULT_ROLE_ID VAULT_SECRET_ID VAULT_TOKEN
-set -x
-
 docker build \
   --file .ci/Dockerfile \
   --tag elastic/elasticsearch-js \
   --build-arg NODE_JS_VERSION=${NODE_JS_VERSION} \
   .
 
-echo -e "\033[1m>>>>> NPM run ci >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
+echo -e "\033[1m>>>>> NPM run test:integration >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
 
 repo=$(realpath $(dirname $(realpath -s $0))/../)
-
-if [[ $TEST_SUITE != "xpack" ]]; then
-  docker run \
-    --network=${NETWORK_NAME} \
-    --env "TEST_ES_SERVER=${ELASTICSEARCH_URL}" \
-    --env "CODECOV_TOKEN" \
-    --volume $repo:/usr/src/app \
-    --volume /usr/src/app/node_modules \
-    --name elasticsearch-js \
-    --rm \
-    elastic/elasticsearch-js \
-    npm run ci
-else
-  docker run \
-    --network=${NETWORK_NAME} \
-    --env "TEST_ES_SERVER=${ELASTICSEARCH_URL}" \
-    --env "CODECOV_TOKEN" \
-    --volume $repo:/usr/src/app \
-    --volume /usr/src/app/node_modules \
-    --name elasticsearch-js \
-    --rm \
-    elastic/elasticsearch-js \
-    npm run test:integration
+run_script_args=""
+if [[ "$NODE_JS_VERSION" == "8" ]]; then
+  run_script_args="--harmony-async-iteration"
 fi
+
+docker run \
+  --network=${network_name} \
+  --env "TEST_ES_SERVER=${ELASTICSEARCH_URL}" \
+  --volume $repo:/usr/src/app \
+  --volume /usr/src/app/node_modules \
+  --name elasticsearch-js \
+  --rm \
+  elastic/elasticsearch-js \
+  node ${run_script_args} test/integration/index.js

.ci/run-tests

@@ -1,57 +1,23 @@
 #!/usr/bin/env bash
 #
-# Version 1.0
+# Version 1.1
 # - Moved to .ci folder and seperated out `run-repository.sh`
+# - Add `$RUNSCRIPTS` env var for running Elasticsearch dependent products
+script_path=$(dirname $(realpath -s $0))
+source $script_path/functions/imports.sh
+set -euo pipefail
 
-if [[ -z $ELASTICSEARCH_VERSION ]]; then
-  echo -e "\033[31;1mERROR:\033[0m Required environment variable [ELASTICSEARCH_VERSION] not set\033[0m"
-  exit 1
+echo -e "\033[1m>>>>> Start [$STACK_VERSION container] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
+DETACH=true bash .ci/run-elasticsearch.sh
+
+if [[ -n "$RUNSCRIPTS" ]]; then
+  for RUNSCRIPT in ${RUNSCRIPTS//,/ } ; do
+    echo -e "\033[1m>>>>> Running run-$RUNSCRIPT.sh >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
+    CONTAINER_NAME=${RUNSCRIPT} \
+      DETACH=true \
+      bash .ci/run-${RUNSCRIPT}.sh
+  done
 fi
-set -euxo pipefail
-
-
-TEST_SUITE=${TEST_SUITE-oss}
-NODE_NAME=instance
-
-
-elasticsearch_image=elasticsearch
-elasticsearch_url=https://elastic:changeme@${NODE_NAME}:9200
-if [[ $TEST_SUITE != "xpack" ]]; then
-  elasticsearch_image=elasticsearch-${TEST_SUITE}
-  elasticsearch_url=http://${NODE_NAME}:9200
-fi
-
-function cleanup {
-  status=$?
-  set +x
-  ELASTICSEARCH_VERSION=${elasticsearch_image}:${ELASTICSEARCH_VERSION} \
-    NODE_NAME=${NODE_NAME} \
-    NETWORK_NAME=elasticsearch \
-    CLEANUP=true \
-    bash ./.ci/run-elasticsearch.sh
-  # Report status and exit
-  if [[ "$status" == "0" ]]; then
-    echo -e "\n\033[32;1mSUCCESS run-tests\033[0m"
-    exit 0
-  else
-    echo -e "\n\033[31;1mFAILURE during run-tests\033[0m"
-    exit ${status}
-  fi
-}
-trap cleanup EXIT
-
-echo -e "\033[1m>>>>> Start [$ELASTICSEARCH_VERSION container] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-
-ELASTICSEARCH_VERSION=${elasticsearch_image}:${ELASTICSEARCH_VERSION} \
-  NODE_NAME=${NODE_NAME} \
-  NETWORK_NAME=elasticsearch \
-  DETACH=true \
-  bash .ci/run-elasticsearch.sh
 
 echo -e "\033[1m>>>>> Repository specific tests >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-
-ELASTICSEARCH_CONTAINER=${elasticsearch_image}:${ELASTICSEARCH_VERSION} \
-  NETWORK_NAME=elasticsearch \
-  NODE_NAME=${NODE_NAME} \
-  ELASTICSEARCH_URL=${elasticsearch_url} \
-  bash .ci/run-repository.sh
+bash .ci/run-repository.sh

.ci/test-matrix.yml

@@ -1,8 +1,9 @@
 ---
-ELASTICSEARCH_VERSION:
-  - 7.6-SNAPSHOT
+STACK_VERSION:
+  - 7.8-SNAPSHOT
 
 NODE_JS_VERSION:
+  - 14
   - 12
   - 10
   - 8

.github/workflows/backport.yml

@@ -0,0 +1,16 @@
+name: Backport
+on:
+  pull_request:
+    types:
+      - closed
+      - labeled
+
+jobs:
+  backport:
+    runs-on: ubuntu-latest
+    name: Backport
+    steps:
+      - name: Backport
+        uses: tibdex/backport@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/nodejs.yml

@@ -0,0 +1,160 @@
+name: Node CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Test
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install
+      run: |
+        npm install
+
+    - name: Lint
+      run: |
+        npm run lint
+
+    - name: Unit test
+      run: |
+        npm run test:unit
+
+    - name: Acceptance test
+      run: |
+        npm run test:acceptance
+
+    - name: Type Definitions
+      run: |
+        npm run test:types
+
+  test-node-v8:
+    name: Test
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        node-version: [8.x]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install
+      run: |
+        npm install
+
+    - name: Test
+      run: |
+        npm run test:node8
+
+  helpers-integration-test:
+    name: Helpers integration test
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Configure sysctl limits
+      run: |
+        sudo swapoff -a
+        sudo sysctl -w vm.swappiness=1
+        sudo sysctl -w fs.file-max=262144
+        sudo sysctl -w vm.max_map_count=262144
+
+    - name: Runs Elasticsearch
+      uses: elastic/elastic-github-actions/elasticsearch@master
+      with:
+        stack-version: 7.8-SNAPSHOT
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install
+      run: |
+        npm install
+
+    - name: Integration test
+      run: |
+        npm run test:integration:helpers
+
+  code-coverage:
+    name: Code coverage
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install
+      run: |
+        npm install
+
+    - name: Code coverage report
+      run: |
+        npm run test:coverage-report
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage.lcov
+        fail_ci_if_error: true
+
+    - name: Code coverage 100%
+      run: |
+        npm run test:coverage-100
+
+  license:
+    name: License check
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install
+      run: |
+        npm install
+
+    - name: License checker
+      run: |
+        npm run license-checker

.travis.yml

@@ -1,27 +0,0 @@
-language: node_js
-
-node_js:
-  - "12"
-  - "10"
-  - "8"
-
-cache:
-  npm: false
-
-os:
-  - windows
-  - linux
-
-install:
-  - npm install
-
-script:
-  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then npm run license-checker; fi
-  - npm run lint
-  - npm run test:coverage
-  - npm run test:types
-
-notifications:
-  email:
-    on_success: never
-    on_failure: always

LICENSE

@@ -187,7 +187,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright 2020 Elastic and contributors
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

README.md

@@ -52,6 +52,7 @@ We recommend that you write a lightweight proxy that uses this client instead.
 ## Documentation
 
 - [Introduction](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/introduction.html)
+- [Changelog](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/changelog-client.html)
 - [Usage](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-usage.html)
 - [Client configuration](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-configuration.html)
 - [API reference](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/api-reference.html)
@@ -60,7 +61,9 @@ We recommend that you write a lightweight proxy that uses this client instead.
 - [Observability](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/observability.html)
 - [Creating a child client](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/child-client.html)
 - [Extend the client](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/extend-client.html)
+- [Client helpers](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-helpers.html)
 - [Typescript support](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/typescript.html)
+- [Testing](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-testing.html)
 - [Examples](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/examples.html)
 
 ## Quick start

api/api/async_search.delete.js

@@ -0,0 +1,78 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAsyncSearchDelete (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+
+  ]
+
+  const snakeCase = {
+
+  }
+
+  /**
+   * Perform a async_search.delete request
+   * Deletes an async search by ID. If the search is still running, the search request will be cancelled. Otherwise, the saved search results are deleted.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/async-search.html
+   */
+  return function asyncSearchDelete (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['id'] == null) {
+      const err = new ConfigurationError('Missing required parameter: id')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'DELETE'
+    path = '/' + '_async_search' + '/' + encodeURIComponent(id)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAsyncSearchDelete

api/api/async_search.get.js

@@ -0,0 +1,82 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAsyncSearchGet (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'wait_for_completion_timeout',
+    'keep_alive',
+    'typed_keys'
+  ]
+
+  const snakeCase = {
+    waitForCompletionTimeout: 'wait_for_completion_timeout',
+    keepAlive: 'keep_alive',
+    typedKeys: 'typed_keys'
+  }
+
+  /**
+   * Perform a async_search.get request
+   * Retrieves the results of a previously submitted async search request given its ID.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/async-search.html
+   */
+  return function asyncSearchGet (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['id'] == null) {
+      const err = new ConfigurationError('Missing required parameter: id')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'GET'
+    path = '/' + '_async_search' + '/' + encodeURIComponent(id)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAsyncSearchGet

api/api/async_search.submit.js

@@ -0,0 +1,147 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAsyncSearchSubmit (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'wait_for_completion_timeout',
+    'keep_on_completion',
+    'keep_alive',
+    'batched_reduce_size',
+    'request_cache',
+    'analyzer',
+    'analyze_wildcard',
+    'default_operator',
+    'df',
+    'explain',
+    'stored_fields',
+    'docvalue_fields',
+    'from',
+    'ignore_unavailable',
+    'ignore_throttled',
+    'allow_no_indices',
+    'expand_wildcards',
+    'lenient',
+    'preference',
+    'q',
+    'routing',
+    'search_type',
+    'size',
+    'sort',
+    '_source',
+    '_source_excludes',
+    '_source_exclude',
+    '_source_includes',
+    '_source_include',
+    'terminate_after',
+    'stats',
+    'suggest_field',
+    'suggest_mode',
+    'suggest_size',
+    'suggest_text',
+    'timeout',
+    'track_scores',
+    'track_total_hits',
+    'allow_partial_search_results',
+    'typed_keys',
+    'version',
+    'seq_no_primary_term',
+    'max_concurrent_shard_requests'
+  ]
+
+  const snakeCase = {
+    waitForCompletionTimeout: 'wait_for_completion_timeout',
+    keepOnCompletion: 'keep_on_completion',
+    keepAlive: 'keep_alive',
+    batchedReduceSize: 'batched_reduce_size',
+    requestCache: 'request_cache',
+    analyzeWildcard: 'analyze_wildcard',
+    defaultOperator: 'default_operator',
+    storedFields: 'stored_fields',
+    docvalueFields: 'docvalue_fields',
+    ignoreUnavailable: 'ignore_unavailable',
+    ignoreThrottled: 'ignore_throttled',
+    allowNoIndices: 'allow_no_indices',
+    expandWildcards: 'expand_wildcards',
+    searchType: 'search_type',
+    _sourceExcludes: '_source_excludes',
+    _sourceExclude: '_source_exclude',
+    _sourceIncludes: '_source_includes',
+    _sourceInclude: '_source_include',
+    terminateAfter: 'terminate_after',
+    suggestField: 'suggest_field',
+    suggestMode: 'suggest_mode',
+    suggestSize: 'suggest_size',
+    suggestText: 'suggest_text',
+    trackScores: 'track_scores',
+    trackTotalHits: 'track_total_hits',
+    allowPartialSearchResults: 'allow_partial_search_results',
+    typedKeys: 'typed_keys',
+    seqNoPrimaryTerm: 'seq_no_primary_term',
+    maxConcurrentShardRequests: 'max_concurrent_shard_requests'
+  }
+
+  /**
+   * Perform a async_search.submit request
+   * Executes a search request asynchronously.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/async-search.html
+   */
+  return function asyncSearchSubmit (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, index, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((index) != null) {
+      if (method == null) method = 'POST'
+      path = '/' + encodeURIComponent(index) + '/' + '_async_search'
+    } else {
+      if (method == null) method = 'POST'
+      path = '/' + '_async_search'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAsyncSearchSubmit

api/api/autoscaling.delete_autoscaling_policy.js

@@ -0,0 +1,78 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAutoscalingDeleteAutoscalingPolicy (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+
+  ]
+
+  const snakeCase = {
+
+  }
+
+  /**
+   * Perform a autoscaling.delete_autoscaling_policy request
+   * Deletes an autoscaling policy.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/autoscaling-delete-autoscaling-policy.html
+   */
+  return function autoscalingDeleteAutoscalingPolicy (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'DELETE'
+    path = '/' + '_autoscaling' + '/' + 'policy' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAutoscalingDeleteAutoscalingPolicy

api/api/autoscaling.get_autoscaling_decision.js

@@ -0,0 +1,72 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAutoscalingGetAutoscalingDecision (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+
+  ]
+
+  const snakeCase = {
+
+  }
+
+  /**
+   * Perform a autoscaling.get_autoscaling_decision request
+   * Gets the current autoscaling decision based on the configured autoscaling policy, indicating whether or not autoscaling is needed.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/autoscaling-get-autoscaling-decision.html
+   */
+  return function autoscalingGetAutoscalingDecision (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'GET'
+    path = '/' + '_autoscaling' + '/' + 'decision'
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAutoscalingGetAutoscalingDecision

api/api/autoscaling.get_autoscaling_policy.js

@@ -0,0 +1,78 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAutoscalingGetAutoscalingPolicy (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+
+  ]
+
+  const snakeCase = {
+
+  }
+
+  /**
+   * Perform a autoscaling.get_autoscaling_policy request
+   * Retrieves an autoscaling policy.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/autoscaling-get-autoscaling-policy.html
+   */
+  return function autoscalingGetAutoscalingPolicy (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'GET'
+    path = '/' + '_autoscaling' + '/' + 'policy' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAutoscalingGetAutoscalingPolicy

api/api/autoscaling.put_autoscaling_policy.js

@@ -0,0 +1,82 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildAutoscalingPutAutoscalingPolicy (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+
+  ]
+
+  const snakeCase = {
+
+  }
+
+  /**
+   * Perform a autoscaling.put_autoscaling_policy request
+   * Creates a new autoscaling policy.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/autoscaling-put-autoscaling-policy.html
+   */
+  return function autoscalingPutAutoscalingPolicy (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+    if (params['body'] == null) {
+      const err = new ConfigurationError('Missing required parameter: body')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'PUT'
+    path = '/' + '_autoscaling' + '/' + 'policy' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildAutoscalingPutAutoscalingPolicy

api/api/cat.aliases.js

@@ -18,6 +18,7 @@ function buildCatAliases (opts) {
     'help',
     's',
     'v',
+    'expand_wildcards',
     'pretty',
     'human',
     'error_trace',
@@ -26,6 +27,7 @@ function buildCatAliases (opts) {
   ]
 
   const snakeCase = {
+    expandWildcards: 'expand_wildcards',
     errorTrace: 'error_trace',
     filterPath: 'filter_path'
   }

api/api/cat.indices.js

@@ -24,6 +24,7 @@ function buildCatIndices (opts) {
     'time',
     'v',
     'include_unloaded_segments',
+    'expand_wildcards',
     'pretty',
     'human',
     'error_trace',
@@ -34,6 +35,7 @@ function buildCatIndices (opts) {
   const snakeCase = {
     masterTimeout: 'master_timeout',
     includeUnloadedSegments: 'include_unloaded_segments',
+    expandWildcards: 'expand_wildcards',
     errorTrace: 'error_trace',
     filterPath: 'filter_path'
   }

api/api/cat.ml_data_frame_analytics.js

@@ -0,0 +1,85 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildCatMlDataFrameAnalytics (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'allow_no_match',
+    'bytes',
+    'format',
+    'h',
+    'help',
+    's',
+    'time',
+    'v'
+  ]
+
+  const snakeCase = {
+    allowNoMatch: 'allow_no_match'
+
+  }
+
+  /**
+   * Perform a cat.ml_data_frame_analytics request
+   * Gets configuration and usage information about data frame analytics jobs.
+   * http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-dfanalytics.html
+   */
+  return function catMlDataFrameAnalytics (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((id) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'data_frame' + '/' + 'analytics' + '/' + encodeURIComponent(id)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'data_frame' + '/' + 'analytics'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildCatMlDataFrameAnalytics

api/api/cat.ml_datafeeds.js

@@ -0,0 +1,84 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildCatMlDatafeeds (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'allow_no_datafeeds',
+    'format',
+    'h',
+    'help',
+    's',
+    'time',
+    'v'
+  ]
+
+  const snakeCase = {
+    allowNoDatafeeds: 'allow_no_datafeeds'
+
+  }
+
+  /**
+   * Perform a cat.ml_datafeeds request
+   * Gets configuration and usage information about datafeeds.
+   * http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-datafeeds.html
+   */
+  return function catMlDatafeeds (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, datafeedId, datafeed_id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((datafeed_id || datafeedId) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'datafeeds' + '/' + encodeURIComponent(datafeed_id || datafeedId)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'datafeeds'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildCatMlDatafeeds

api/api/cat.ml_jobs.js

@@ -0,0 +1,85 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildCatMlJobs (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'allow_no_jobs',
+    'bytes',
+    'format',
+    'h',
+    'help',
+    's',
+    'time',
+    'v'
+  ]
+
+  const snakeCase = {
+    allowNoJobs: 'allow_no_jobs'
+
+  }
+
+  /**
+   * Perform a cat.ml_jobs request
+   * Gets configuration and usage information about anomaly detection jobs.
+   * http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-anomaly-detectors.html
+   */
+  return function catMlJobs (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, jobId, job_id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((job_id || jobId) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'anomaly_detectors' + '/' + encodeURIComponent(job_id || jobId)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'anomaly_detectors'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildCatMlJobs

api/api/cat.ml_trained_models.js

@@ -0,0 +1,87 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildCatMlTrainedModels (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'allow_no_match',
+    'from',
+    'size',
+    'bytes',
+    'format',
+    'h',
+    'help',
+    's',
+    'time',
+    'v'
+  ]
+
+  const snakeCase = {
+    allowNoMatch: 'allow_no_match'
+
+  }
+
+  /**
+   * Perform a cat.ml_trained_models request
+   * Gets configuration and usage information about inference trained models.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-trained-model.html
+   */
+  return function catMlTrainedModels (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, modelId, model_id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((model_id || modelId) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'trained_models' + '/' + encodeURIComponent(model_id || modelId)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'ml' + '/' + 'trained_models'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildCatMlTrainedModels

api/api/cat.transforms.js

@@ -0,0 +1,86 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildCatTransforms (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'from',
+    'size',
+    'allow_no_match',
+    'format',
+    'h',
+    'help',
+    's',
+    'time',
+    'v'
+  ]
+
+  const snakeCase = {
+    allowNoMatch: 'allow_no_match'
+
+  }
+
+  /**
+   * Perform a cat.transforms request
+   * Gets configuration and usage information about transforms.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-transforms.html
+   */
+  return function catTransforms (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, transformId, transform_id, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((transform_id || transformId) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'transforms' + '/' + encodeURIComponent(transform_id || transformId)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_cat' + '/' + 'transforms'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildCatTransforms

api/api/ccr.delete_auto_follow_pattern.js

@@ -21,6 +21,7 @@ function buildCcrDeleteAutoFollowPattern (opts) {
 
   /**
    * Perform a ccr.delete_auto_follow_pattern request
+   * Deletes auto-follow patterns.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-delete-auto-follow-pattern.html
    */
   return function ccrDeleteAutoFollowPattern (params, options, callback) {

api/api/ccr.follow.js

@@ -21,6 +21,7 @@ function buildCcrFollow (opts) {
 
   /**
    * Perform a ccr.follow request
+   * Creates a new follower index configured to follow the referenced leader index.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-put-follow.html
    */
   return function ccrFollow (params, options, callback) {

api/api/ccr.follow_info.js

@@ -21,6 +21,7 @@ function buildCcrFollowInfo (opts) {
 
   /**
    * Perform a ccr.follow_info request
+   * Retrieves information about all follower indices, including parameters and status for each follower index
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-get-follow-info.html
    */
   return function ccrFollowInfo (params, options, callback) {

api/api/ccr.follow_stats.js

@@ -21,6 +21,7 @@ function buildCcrFollowStats (opts) {
 
   /**
    * Perform a ccr.follow_stats request
+   * Retrieves follower stats. return shard-level stats about the following tasks associated with each shard for the specified indices.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-get-follow-stats.html
    */
   return function ccrFollowStats (params, options, callback) {

api/api/ccr.forget_follower.js

@@ -21,7 +21,8 @@ function buildCcrForgetFollower (opts) {
 
   /**
    * Perform a ccr.forget_follower request
-   * http://www.elastic.co/guide/en/elasticsearch/reference/current
+   * Removes the follower retention leases from the leader.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-post-forget-follower.html
    */
   return function ccrForgetFollower (params, options, callback) {
     options = options || {}

api/api/ccr.get_auto_follow_pattern.js

@@ -21,6 +21,7 @@ function buildCcrGetAutoFollowPattern (opts) {
 
   /**
    * Perform a ccr.get_auto_follow_pattern request
+   * Gets configured auto-follow patterns. Returns the specified auto-follow pattern collection.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-get-auto-follow-pattern.html
    */
   return function ccrGetAutoFollowPattern (params, options, callback) {

api/api/ccr.pause_auto_follow_pattern.js

@@ -21,6 +21,7 @@ function buildCcrPauseAutoFollowPattern (opts) {
 
   /**
    * Perform a ccr.pause_auto_follow_pattern request
+   * Pauses an auto-follow pattern
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-pause-auto-follow-pattern.html
    */
   return function ccrPauseAutoFollowPattern (params, options, callback) {

api/api/ccr.pause_follow.js

@@ -21,6 +21,7 @@ function buildCcrPauseFollow (opts) {
 
   /**
    * Perform a ccr.pause_follow request
+   * Pauses a follower index. The follower index will not fetch any additional operations from the leader index.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-post-pause-follow.html
    */
   return function ccrPauseFollow (params, options, callback) {

api/api/ccr.put_auto_follow_pattern.js

@@ -21,6 +21,7 @@ function buildCcrPutAutoFollowPattern (opts) {
 
   /**
    * Perform a ccr.put_auto_follow_pattern request
+   * Creates a new named collection of auto-follow patterns against a specified remote cluster. Newly created indices on the remote cluster matching any of the specified patterns will be automatically configured as follower indices.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-put-auto-follow-pattern.html
    */
   return function ccrPutAutoFollowPattern (params, options, callback) {

api/api/ccr.resume_auto_follow_pattern.js

@@ -21,6 +21,7 @@ function buildCcrResumeAutoFollowPattern (opts) {
 
   /**
    * Perform a ccr.resume_auto_follow_pattern request
+   * Resumes an auto-follow pattern that has been paused
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-resume-auto-follow-pattern.html
    */
   return function ccrResumeAutoFollowPattern (params, options, callback) {

api/api/ccr.resume_follow.js

@@ -21,6 +21,7 @@ function buildCcrResumeFollow (opts) {
 
   /**
    * Perform a ccr.resume_follow request
+   * Resumes a follower index that has been paused
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-post-resume-follow.html
    */
   return function ccrResumeFollow (params, options, callback) {

api/api/ccr.stats.js

@@ -21,6 +21,7 @@ function buildCcrStats (opts) {
 
   /**
    * Perform a ccr.stats request
+   * Gets all stats related to cross-cluster replication.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-get-stats.html
    */
   return function ccrStats (params, options, callback) {

api/api/ccr.unfollow.js

@@ -21,7 +21,8 @@ function buildCcrUnfollow (opts) {
 
   /**
    * Perform a ccr.unfollow request
-   * http://www.elastic.co/guide/en/elasticsearch/reference/current
+   * Stops the following task associated with a follower index and removes index metadata and settings associated with cross-cluster replication.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-post-unfollow.html
    */
   return function ccrUnfollow (params, options, callback) {
     options = options || {}

api/api/cluster.delete_component_template.js

@@ -0,0 +1,86 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildClusterDeleteComponentTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'timeout',
+    'master_timeout',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a cluster.delete_component_template request
+   * Deletes a component template
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html
+   */
+  return function clusterDeleteComponentTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'DELETE'
+    path = '/' + '_component_template' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildClusterDeleteComponentTemplate

api/api/cluster.delete_voting_config_exclusions.js

@@ -0,0 +1,79 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildClusterDeleteVotingConfigExclusions (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'wait_for_removal',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    waitForRemoval: 'wait_for_removal',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a cluster.delete_voting_config_exclusions request
+   * Clears cluster voting config exclusions.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/voting-config-exclusions.html
+   */
+  return function clusterDeleteVotingConfigExclusions (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'DELETE'
+    path = '/' + '_cluster' + '/' + 'voting_config_exclusions'
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildClusterDeleteVotingConfigExclusions

api/api/cluster.exists_component_template.js

@@ -0,0 +1,86 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildClusterExistsComponentTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'master_timeout',
+    'local',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a cluster.exists_component_template request
+   * Returns information about whether a particular component template exist
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html
+   */
+  return function clusterExistsComponentTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'HEAD'
+    path = '/' + '_component_template' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildClusterExistsComponentTemplate

api/api/cluster.get_component_template.js

@@ -0,0 +1,85 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildClusterGetComponentTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'master_timeout',
+    'local',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a cluster.get_component_template request
+   * Returns one or more component templates
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html
+   */
+  return function clusterGetComponentTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((name) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_component_template' + '/' + encodeURIComponent(name)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_component_template'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildClusterGetComponentTemplate

api/api/cluster.post_voting_config_exclusions.js

@@ -0,0 +1,82 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildClusterPostVotingConfigExclusions (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'node_ids',
+    'node_names',
+    'timeout',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    nodeIds: 'node_ids',
+    nodeNames: 'node_names',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a cluster.post_voting_config_exclusions request
+   * Updates the cluster voting config exclusions by node ids or node names.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/voting-config-exclusions.html
+   */
+  return function clusterPostVotingConfigExclusions (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'POST'
+    path = '/' + '_cluster' + '/' + 'voting_config_exclusions'
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildClusterPostVotingConfigExclusions

api/api/cluster.put_component_template.js

@@ -0,0 +1,91 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildClusterPutComponentTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'create',
+    'timeout',
+    'master_timeout',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a cluster.put_component_template request
+   * Creates or updates a component template
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html
+   */
+  return function clusterPutComponentTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+    if (params['body'] == null) {
+      const err = new ConfigurationError('Missing required parameter: body')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'PUT'
+    path = '/' + '_component_template' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildClusterPutComponentTemplate

api/api/delete_by_query.js

@@ -12,6 +12,7 @@ function buildDeleteByQuery (opts) {
   const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
 
   const acceptedQuerystring = [
+    'analyzer',
     'analyze_wildcard',
     'default_operator',
     'df',

api/api/enrich.delete_policy.js

@@ -21,6 +21,8 @@ function buildEnrichDeletePolicy (opts) {
 
   /**
    * Perform a enrich.delete_policy request
+   * Deletes an existing enrich policy and its enrich index.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/delete-enrich-policy-api.html
    */
   return function enrichDeletePolicy (params, options, callback) {
     options = options || {}

api/api/enrich.execute_policy.js

@@ -21,6 +21,8 @@ function buildEnrichExecutePolicy (opts) {
 
   /**
    * Perform a enrich.execute_policy request
+   * Creates the enrich index for an existing enrich policy.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/execute-enrich-policy-api.html
    */
   return function enrichExecutePolicy (params, options, callback) {
     options = options || {}

api/api/enrich.get_policy.js

@@ -21,6 +21,8 @@ function buildEnrichGetPolicy (opts) {
 
   /**
    * Perform a enrich.get_policy request
+   * Gets information about an enrich policy.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/get-enrich-policy-api.html
    */
   return function enrichGetPolicy (params, options, callback) {
     options = options || {}

api/api/enrich.put_policy.js

@@ -21,6 +21,8 @@ function buildEnrichPutPolicy (opts) {
 
   /**
    * Perform a enrich.put_policy request
+   * Creates a new enrich policy.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/put-enrich-policy-api.html
    */
   return function enrichPutPolicy (params, options, callback) {
     options = options || {}

api/api/enrich.stats.js

@@ -21,6 +21,8 @@ function buildEnrichStats (opts) {
 
   /**
    * Perform a enrich.stats request
+   * Gets enrich coordinator statistics and information about enrich policies that are currently executing.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/enrich-stats-api.html
    */
   return function enrichStats (params, options, callback) {
     options = options || {}

api/api/eql.search.js

@@ -0,0 +1,82 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildEqlSearch (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+
+  ]
+
+  const snakeCase = {
+
+  }
+
+  /**
+   * Perform a eql.search request
+   * Returns results matching a query expressed in Event Query Language (EQL)
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/eql-search-api.html
+   */
+  return function eqlSearch (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['index'] == null) {
+      const err = new ConfigurationError('Missing required parameter: index')
+      return handleError(err, callback)
+    }
+    if (params['body'] == null) {
+      const err = new ConfigurationError('Missing required parameter: body')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, index, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = body == null ? 'GET' : 'POST'
+    path = '/' + encodeURIComponent(index) + '/' + '_eql' + '/' + 'search'
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildEqlSearch

api/api/get_script_context.js

@@ -27,6 +27,7 @@ function buildGetScriptContext (opts) {
   /**
    * Perform a get_script_context request
    * Returns all script contexts.
+   * https://www.elastic.co/guide/en/elasticsearch/painless/master/painless-contexts.html
    */
   return function getScriptContext (params, options, callback) {
     options = options || {}

api/api/get_script_languages.js

@@ -27,6 +27,7 @@ function buildGetScriptLanguages (opts) {
   /**
    * Perform a get_script_languages request
    * Returns available script types, languages and contexts
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/modules-scripting.html
    */
   return function getScriptLanguages (params, options, callback) {
     options = options || {}

api/api/graph.explore.js

@@ -22,6 +22,7 @@ function buildGraphExplore (opts) {
 
   /**
    * Perform a graph.explore request
+   * Explore extracted and summarized information about the documents and terms in an index.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/graph-explore-api.html
    */
   return function graphExplore (params, options, callback) {

api/api/ilm.delete_lifecycle.js

@@ -21,6 +21,7 @@ function buildIlmDeleteLifecycle (opts) {
 
   /**
    * Perform a ilm.delete_lifecycle request
+   * Deletes the specified lifecycle policy definition. A currently used policy cannot be deleted.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-delete-lifecycle.html
    */
   return function ilmDeleteLifecycle (params, options, callback) {

api/api/ilm.explain_lifecycle.js

@@ -23,6 +23,7 @@ function buildIlmExplainLifecycle (opts) {
 
   /**
    * Perform a ilm.explain_lifecycle request
+   * Retrieves information about the index's current lifecycle state, such as the currently executing phase, action, and step.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-explain-lifecycle.html
    */
   return function ilmExplainLifecycle (params, options, callback) {

api/api/ilm.get_lifecycle.js

@@ -21,6 +21,7 @@ function buildIlmGetLifecycle (opts) {
 
   /**
    * Perform a ilm.get_lifecycle request
+   * Returns the specified policy definition. Includes the policy version and last modified date.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-get-lifecycle.html
    */
   return function ilmGetLifecycle (params, options, callback) {

api/api/ilm.get_status.js

@@ -21,6 +21,7 @@ function buildIlmGetStatus (opts) {
 
   /**
    * Perform a ilm.get_status request
+   * Retrieves the current index lifecycle management (ILM) status.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-get-status.html
    */
   return function ilmGetStatus (params, options, callback) {

api/api/ilm.move_to_step.js

@@ -21,6 +21,7 @@ function buildIlmMoveToStep (opts) {
 
   /**
    * Perform a ilm.move_to_step request
+   * Manually moves an index into the specified step and executes that step.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-move-to-step.html
    */
   return function ilmMoveToStep (params, options, callback) {

api/api/ilm.put_lifecycle.js

@@ -21,6 +21,7 @@ function buildIlmPutLifecycle (opts) {
 
   /**
    * Perform a ilm.put_lifecycle request
+   * Creates a lifecycle policy
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-put-lifecycle.html
    */
   return function ilmPutLifecycle (params, options, callback) {

api/api/ilm.remove_policy.js

@@ -21,6 +21,7 @@ function buildIlmRemovePolicy (opts) {
 
   /**
    * Perform a ilm.remove_policy request
+   * Removes the assigned lifecycle policy and stops managing the specified index
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-remove-policy.html
    */
   return function ilmRemovePolicy (params, options, callback) {

api/api/ilm.retry.js

@@ -21,6 +21,7 @@ function buildIlmRetry (opts) {
 
   /**
    * Perform a ilm.retry request
+   * Retries executing the policy for an index that is in the ERROR step.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-retry-policy.html
    */
   return function ilmRetry (params, options, callback) {

api/api/ilm.start.js

@@ -21,6 +21,7 @@ function buildIlmStart (opts) {
 
   /**
    * Perform a ilm.start request
+   * Start the index lifecycle management (ILM) plugin.
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-start.html
    */
   return function ilmStart (params, options, callback) {

api/api/ilm.stop.js

@@ -21,6 +21,7 @@ function buildIlmStop (opts) {
 
   /**
    * Perform a ilm.stop request
+   * Halts all lifecycle management operations and stops the index lifecycle management (ILM) plugin
    * https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-stop.html
    */
   return function ilmStop (params, options, callback) {

api/api/indices.create_data_stream.js

@@ -0,0 +1,87 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesCreateDataStream (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.create_data_stream request
+   * Creates or updates a data stream
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/data-streams.html
+   */
+  return function indicesCreateDataStream (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+    if (params['body'] == null) {
+      const err = new ConfigurationError('Missing required parameter: body')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'PUT'
+    path = '/' + '_data_stream' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesCreateDataStream

api/api/indices.delete_data_stream.js

@@ -0,0 +1,83 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesDeleteDataStream (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.delete_data_stream request
+   * Deletes a data stream.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/data-streams.html
+   */
+  return function indicesDeleteDataStream (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'DELETE'
+    path = '/' + '_data_stream' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesDeleteDataStream

api/api/indices.delete_index_template.js

@@ -0,0 +1,86 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesDeleteIndexTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'timeout',
+    'master_timeout',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.delete_index_template request
+   * Deletes an index template.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html
+   */
+  return function indicesDeleteIndexTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'DELETE'
+    path = '/' + '_index_template' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesDeleteIndexTemplate

api/api/indices.exists_index_template.js

@@ -0,0 +1,88 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesExistsIndexTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'flat_settings',
+    'master_timeout',
+    'local',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    flatSettings: 'flat_settings',
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.exists_index_template request
+   * Returns information about whether a particular index template exists.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html
+   */
+  return function indicesExistsIndexTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'HEAD'
+    path = '/' + '_index_template' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesExistsIndexTemplate

api/api/indices.freeze.js

@@ -30,7 +30,8 @@ function buildIndicesFreeze (opts) {
 
   /**
    * Perform a indices.freeze request
-   * https://www.elastic.co/guide/en/elasticsearch/reference/current/frozen.html
+   * Freezes an index. A frozen index has almost no overhead on the cluster (except for maintaining its metadata in memory) and is read-only.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/freeze-index-api.html
    */
   return function indicesFreeze (params, options, callback) {
     options = options || {}

api/api/indices.get_data_streams.js

@@ -0,0 +1,82 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesGetDataStreams (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.get_data_streams request
+   * Returns data streams.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/data-streams.html
+   */
+  return function indicesGetDataStreams (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((name) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_data_streams' + '/' + encodeURIComponent(name)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_data_streams'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesGetDataStreams

api/api/indices.get_index_template.js

@@ -0,0 +1,87 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesGetIndexTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'flat_settings',
+    'master_timeout',
+    'local',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    flatSettings: 'flat_settings',
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.get_index_template request
+   * Returns an index template.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html
+   */
+  return function indicesGetIndexTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if ((name) != null) {
+      if (method == null) method = 'GET'
+      path = '/' + '_index_template' + '/' + encodeURIComponent(name)
+    } else {
+      if (method == null) method = 'GET'
+      path = '/' + '_index_template'
+    }
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: null,
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesGetIndexTemplate

api/api/indices.put_index_template.js

@@ -0,0 +1,91 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesPutIndexTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'create',
+    'cause',
+    'master_timeout',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.put_index_template request
+   * Creates or updates an index template.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html
+   */
+  return function indicesPutIndexTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+    if (params['body'] == null) {
+      const err = new ConfigurationError('Missing required parameter: body')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'PUT'
+    path = '/' + '_index_template' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesPutIndexTemplate

api/api/indices.put_template.js

@@ -15,9 +15,7 @@ function buildIndicesPutTemplate (opts) {
     'include_type_name',
     'order',
     'create',
-    'timeout',
     'master_timeout',
-    'flat_settings',
     'pretty',
     'human',
     'error_trace',
@@ -28,7 +26,6 @@ function buildIndicesPutTemplate (opts) {
   const snakeCase = {
     includeTypeName: 'include_type_name',
     masterTimeout: 'master_timeout',
-    flatSettings: 'flat_settings',
     errorTrace: 'error_trace',
     filterPath: 'filter_path'
   }

api/api/indices.reload_search_analyzers.js

@@ -25,6 +25,7 @@ function buildIndicesReloadSearchAnalyzers (opts) {
 
   /**
    * Perform a indices.reload_search_analyzers request
+   * Reloads an index's search analyzers and their resources.
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-reload-analyzers.html
    */
   return function indicesReloadSearchAnalyzers (params, options, callback) {

api/api/indices.simulate_index_template.js

@@ -0,0 +1,87 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+'use strict'
+
+/* eslint camelcase: 0 */
+/* eslint no-unused-vars: 0 */
+
+function buildIndicesSimulateIndexTemplate (opts) {
+  // eslint-disable-next-line no-unused-vars
+  const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
+
+  const acceptedQuerystring = [
+    'create',
+    'cause',
+    'master_timeout',
+    'pretty',
+    'human',
+    'error_trace',
+    'source',
+    'filter_path'
+  ]
+
+  const snakeCase = {
+    masterTimeout: 'master_timeout',
+    errorTrace: 'error_trace',
+    filterPath: 'filter_path'
+  }
+
+  /**
+   * Perform a indices.simulate_index_template request
+   * Simulate matching the given index name against the index templates in the system
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html
+   */
+  return function indicesSimulateIndexTemplate (params, options, callback) {
+    options = options || {}
+    if (typeof options === 'function') {
+      callback = options
+      options = {}
+    }
+    if (typeof params === 'function' || params == null) {
+      callback = params
+      params = {}
+      options = {}
+    }
+
+    // check required parameters
+    if (params['name'] == null) {
+      const err = new ConfigurationError('Missing required parameter: name')
+      return handleError(err, callback)
+    }
+
+    // validate headers object
+    if (options.headers != null && typeof options.headers !== 'object') {
+      const err = new ConfigurationError(`Headers should be an object, instead got: ${typeof options.headers}`)
+      return handleError(err, callback)
+    }
+
+    var warnings = []
+    var { method, body, name, ...querystring } = params
+    querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring, warnings)
+
+    var ignore = options.ignore
+    if (typeof ignore === 'number') {
+      options.ignore = [ignore]
+    }
+
+    var path = ''
+
+    if (method == null) method = 'POST'
+    path = '/' + '_index_template' + '/' + '_simulate_index' + '/' + encodeURIComponent(name)
+
+    // build request object
+    const request = {
+      method,
+      path,
+      body: body || '',
+      querystring
+    }
+
+    options.warnings = warnings.length === 0 ? null : warnings
+    return makeRequest(request, options, callback)
+  }
+}
+
+module.exports = buildIndicesSimulateIndexTemplate

api/api/indices.unfreeze.js

@@ -30,7 +30,8 @@ function buildIndicesUnfreeze (opts) {
 
   /**
    * Perform a indices.unfreeze request
-   * https://www.elastic.co/guide/en/elasticsearch/reference/current/frozen.html
+   * Unfreezes an index. When a frozen index is unfrozen, the index goes through the normal recovery process and becomes writeable again.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/unfreeze-index-api.html
    */
   return function indicesUnfreeze (params, options, callback) {
     options = options || {}

api/api/license.delete.js

@@ -21,6 +21,7 @@ function buildLicenseDelete (opts) {
 
   /**
    * Perform a license.delete request
+   * Deletes licensing information for the cluster
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/delete-license.html
    */
   return function licenseDelete (params, options, callback) {

api/api/license.get.js

@@ -22,6 +22,7 @@ function buildLicenseGet (opts) {
 
   /**
    * Perform a license.get request
+   * Retrieves licensing information for the cluster
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/get-license.html
    */
   return function licenseGet (params, options, callback) {

api/api/license.get_basic_status.js

@@ -21,6 +21,7 @@ function buildLicenseGetBasicStatus (opts) {
 
   /**
    * Perform a license.get_basic_status request
+   * Retrieves information about the status of the basic license.
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/get-basic-status.html
    */
   return function licenseGetBasicStatus (params, options, callback) {

api/api/license.get_trial_status.js

@@ -21,6 +21,7 @@ function buildLicenseGetTrialStatus (opts) {
 
   /**
    * Perform a license.get_trial_status request
+   * Retrieves information about the status of the trial license.
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/get-trial-status.html
    */
   return function licenseGetTrialStatus (params, options, callback) {

api/api/license.post.js

@@ -21,6 +21,7 @@ function buildLicensePost (opts) {
 
   /**
    * Perform a license.post request
+   * Updates the license for the cluster.
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/update-license.html
    */
   return function licensePost (params, options, callback) {

api/api/license.post_start_basic.js

@@ -21,6 +21,7 @@ function buildLicensePostStartBasic (opts) {
 
   /**
    * Perform a license.post_start_basic request
+   * Starts an indefinite basic license.
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/start-basic.html
    */
   return function licensePostStartBasic (params, options, callback) {

api/api/license.post_start_trial.js

@@ -22,6 +22,7 @@ function buildLicensePostStartTrial (opts) {
 
   /**
    * Perform a license.post_start_trial request
+   * starts a limited time trial license.
    * https://www.elastic.co/guide/en/elasticsearch/reference/master/start-trial.html
    */
   return function licensePostStartTrial (params, options, callback) {

api/api/migration.deprecations.js

@@ -21,7 +21,8 @@ function buildMigrationDeprecations (opts) {
 
   /**
    * Perform a migration.deprecations request
-   * http://www.elastic.co/guide/en/elasticsearch/reference/current/migration-api-deprecation.html
+   * Retrieves information about different cluster, node, and index level settings that use deprecated features that will be removed or changed in the next major version.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/migration-api-deprecation.html
    */
   return function migrationDeprecations (params, options, callback) {
     options = options || {}

api/api/ml.close_job.js

@@ -24,7 +24,8 @@ function buildMlCloseJob (opts) {
 
   /**
    * Perform a ml.close_job request
-   * http://www.elastic.co/guide/en/elasticsearch/reference/current/ml-close-job.html
+   * Closes one or more anomaly detection jobs. A job can be opened and closed multiple times throughout its lifecycle.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ml-close-job.html
    */
   return function mlCloseJob (params, options, callback) {
     options = options || {}

api/api/ml.delete_calendar.js

@@ -21,6 +21,8 @@ function buildMlDeleteCalendar (opts) {
 
   /**
    * Perform a ml.delete_calendar request
+   * Deletes a calendar.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ml-delete-calendar.html
    */
   return function mlDeleteCalendar (params, options, callback) {
     options = options || {}

api/api/ml.delete_calendar_event.js

@@ -21,6 +21,8 @@ function buildMlDeleteCalendarEvent (opts) {
 
   /**
    * Perform a ml.delete_calendar_event request
+   * Deletes scheduled events from a calendar.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ml-delete-calendar-event.html
    */
   return function mlDeleteCalendarEvent (params, options, callback) {
     options = options || {}

api/api/ml.delete_calendar_job.js

@@ -21,6 +21,8 @@ function buildMlDeleteCalendarJob (opts) {
 
   /**
    * Perform a ml.delete_calendar_job request
+   * Deletes anomaly detection jobs from a calendar.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ml-delete-calendar-job.html
    */
   return function mlDeleteCalendarJob (params, options, callback) {
     options = options || {}

api/api/ml.delete_data_frame_analytics.js

@@ -12,7 +12,8 @@ function buildMlDeleteDataFrameAnalytics (opts) {
   const { makeRequest, ConfigurationError, handleError, snakeCaseKeys } = opts
 
   const acceptedQuerystring = [
-    'force'
+    'force',
+    'timeout'
   ]
 
   const snakeCase = {
@@ -21,7 +22,8 @@ function buildMlDeleteDataFrameAnalytics (opts) {
 
   /**
    * Perform a ml.delete_data_frame_analytics request
-   * http://www.elastic.co/guide/en/elasticsearch/reference/current/delete-dfanalytics.html
+   * Deletes an existing data frame analytics job.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/delete-dfanalytics.html
    */
   return function mlDeleteDataFrameAnalytics (params, options, callback) {
     options = options || {}

api/api/ml.delete_datafeed.js

@@ -21,7 +21,8 @@ function buildMlDeleteDatafeed (opts) {
 
   /**
    * Perform a ml.delete_datafeed request
-   * http://www.elastic.co/guide/en/elasticsearch/reference/current/ml-delete-datafeed.html
+   * Deletes an existing datafeed.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ml-delete-datafeed.html
    */
   return function mlDeleteDatafeed (params, options, callback) {
     options = options || {}

api/api/ml.delete_expired_data.js

@@ -21,6 +21,8 @@ function buildMlDeleteExpiredData (opts) {
 
   /**
    * Perform a ml.delete_expired_data request
+   * Deletes expired and unused machine learning data.
+   * https://www.elastic.co/guide/en/elasticsearch/reference/current/ml-delete-expired-data.html
    */
   return function mlDeleteExpiredData (params, options, callback) {
     options = options || {}