Buildkite pipeline for integration tests (#1863)

.buildkite/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-free}
+  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_scheme="https"
+  if [[ $TEST_SUITE != "platinum" ]]; then
+    export elasticsearch_scheme="http"
+  fi
+  export elasticsearch_url=${elasticsearch_scheme}://elastic:${elastic_password}@${es_node_name}:9200
+  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"
+