Use Jenkins pipelines (#937)

scripts/es-docker.sh

@@ -1,12 +1,38 @@
 #!/bin/bash
 
-exec docker run \
-  --rm \
-  -e "node.attr.testattr=test" \
-  -e "path.repo=/tmp" \
-  -e "repositories.url.allowed_urls=http://snapshot.*" \
-  -e "discovery.type=single-node" \
-  -p 9200:9200 \
-  --network=elastic \
-  --name=elasticsearch \
-  docker.elastic.co/elasticsearch/elasticsearch:6.7.1
+# Images are cached locally, it may be needed
+# to delete an old image and download again
+# the latest snapshot.
+
+# pass `--clean` to reemove the old snapshot
+if [ "$1" == "--clean" ]; then
+  docker rmi $(docker images --format '{{.Repository}}:{{.Tag}}' | grep '8.0.0-SNAPSHOT')
+fi
+
+# Create the 'elastic' network if doesn't exist
+exec docker network ls | grep elastic > /dev/null || docker network create elastic > /dev/null
+
+if [ "$1" == "--detach" ]; then
+  exec docker run \
+    --rm \
+    -e "node.attr.testattr=test" \
+    -e "path.repo=/tmp" \
+    -e "repositories.url.allowed_urls=http://snapshot.*" \
+    -e "discovery.type=single-node" \
+    -p 9200:9200 \
+    --detach \
+    --network=elastic \
+    --name=elasticsearch \
+    docker.elastic.co/elasticsearch/elasticsearch:6.8.2
+else
+  exec docker run \
+    --rm \
+    -e "node.attr.testattr=test" \
+    -e "path.repo=/tmp" \
+    -e "repositories.url.allowed_urls=http://snapshot.*" \
+    -e "discovery.type=single-node" \
+    -p 9200:9200 \
+    --network=elastic \
+    --name=elasticsearch \
+    docker.elastic.co/elasticsearch/elasticsearch:6.8.2
+fi