Bump elastic stack version automation

.ci/bump-stack-version.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+#
+# Given the stack version this script will bump the version.
+#
+# This script is executed by the automation we are putting in place
+# and it requires the git add/commit commands.
+#
+# Parameters:
+#	$1 -> the version to be bumped. Mandatory.
+#	$2 -> whether to create a branch where to commit the changes to.
+#		  this is required when reusing an existing Pull Request.
+#		  Optional. Default true.
+#
+set -euo pipefail
+MSG="parameter missing."
+VERSION=${1:?$MSG}
+CREATE_BRANCH=${2:-true}
+
+OS=$(uname -s| tr '[:upper:]' '[:lower:]')
+
+if [ "${OS}" == "darwin" ] ; then
+	SED="sed -i .bck"
+else
+	SED="sed -i"
+fi
+
+FILES="testing/environments/snapshot-oss.yml
+testing/environments/snapshot.yml
+"
+
+echo "Update stack with version ${VERSION}"
+for FILE in ${FILES} ; do
+	${SED} -E -e "s#(image: docker\.elastic\.co/.*):[0-9]+\.[0-9]+\.[0-9]+(-[a-f0-9]{8})?#\1:${VERSION}#g" $FILE
+done
+
+echo "Commit changes"
+git config user.email
+if [ "$CREATE_BRANCH" = "true" ]; then
+	git checkout -b "update-stack-version-$(date "+%Y%m%d%H%M%S")"
+else
+	echo "Branch creation disabled."
+fi
+for FILE in ${FILES} ; do
+	echo "git add $FILE"
+done
+git commit -m "bump stack version ${VERSION}"
+git --no-pager log -1
+
+echo "You can now push and create a Pull Request"

.gitignore

@@ -50,3 +50,6 @@ x-pack/elastic-agent/pkg/agent/operation/tests/scripts/serviceable-1.0-darwin-x8
 # Terraform
 *.terraform
 *.tfstate*
+
+# Bump
+testing/environments/*.bck

.mergify.yml

@@ -65,3 +65,12 @@ pull_request_rules:
             git merge upstream/{{base}}
             git push upstream {{head}}
             ```
+  - name: Automatic squash and merge with success checks and the files matching the regex ^testing/environments/snapshot* are modified.
+    conditions:
+      - check-success=beats-ci/pr-merge
+      - label=automation
+      - files~=^testing/environments/snapshot.*\.yml$
+    actions:
+      merge:
+        method: squash
+        strict: smart+fasttrack