From 58b88150254fe371021f2853d5f8c9ca006a89bd Mon Sep 17 00:00:00 2001
From: Victor Martinez <victormartinezrubio@gmail.com>
Date: Fri, 23 Apr 2021 17:09:38 +0100
Subject: [PATCH] Bump elastic stack version automation (#25148)

(cherry picked from commit cc29196dfbb5a40a47ff4f3c0f25cf1b09b9d382)

# Conflicts:
#	.mergify.yml
---
 .ci/bump-stack-version.sh | 48 +++++++++++++++++++++++++
 .gitignore                |  3 ++
 .mergify.yml              | 76 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 127 insertions(+)
 create mode 100755 .ci/bump-stack-version.sh
 create mode 100644 .mergify.yml

diff --git a/.ci/bump-stack-version.sh b/.ci/bump-stack-version.sh
new file mode 100755
index 00000000000..30192b07232
--- /dev/null
+++ b/.ci/bump-stack-version.sh
@@ -0,0 +1,48 @@
+#!/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" $FILE
+done
+
+echo "Commit changes"
+if [ "$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
+	git add $FILE
+done
+git diff --staged --quiet || git commit -m "bump stack version ${VERSION}"
+git --no-pager log -1
+
+echo "You can now push and create a Pull Request"
diff --git a/.gitignore b/.gitignore
index 2f5a63889a9..1f7b9ad9f11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,6 @@ x-pack/elastic-agent/pkg/agent/operation/tests/scripts/serviceable-1.0-darwin-x8
 # Terraform
 *.terraform
 *.tfstate*
+
+# Files generated with the bump elastic stack version automation
+testing/environments/*.bck
diff --git a/.mergify.yml b/.mergify.yml
new file mode 100644
index 00000000000..3711f17c84f
--- /dev/null
+++ b/.mergify.yml
@@ -0,0 +1,76 @@
+pull_request_rules:
+  - name: backport patches to 7.x branch
+    conditions:
+      - merged
+      - base=master
+      - label=backport-v7.14.0
+    actions:
+      backport:
+        assignees:
+          - "{{ author }}"
+        branches:
+          - "7.x"
+        labels:
+          - "backport"
+  - name: backport patches to 7.13 branch
+    conditions:
+      - merged
+      - base=master
+      - label=backport-v7.13.0
+    actions:
+      backport:
+        assignees:
+          - "{{ author }}"
+        branches:
+          - "7.13"
+        labels:
+          - "backport"
+  - name: backport patches to 7.12 branch
+    conditions:
+      - merged
+      - base=master
+      - label=backport-v7.12.0
+    actions:
+      backport:
+        assignees:
+          - "{{ author }}"
+        branches:
+          - "7.12"
+        labels:
+          - "backport"
+  - name: backport patches to 7.11 branch
+    conditions:
+      - merged
+      - base=master
+      - label=backport-v7.11.0
+    actions:
+      backport:
+        assignees:
+          - "{{ author }}"
+        branches:
+          - "7.11"
+        labels:
+          - "backport"
+  - name: ask to resolve conflict
+    conditions:
+      - conflict
+    actions:
+        comment:
+          message: |
+            This pull request is now in conflicts. Could you fix it? 🙏
+            To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/
+            ```
+            git fetch upstream
+            git checkout -b {{head}} upstream/{{head}}
+            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