CI: Notify channel on drone yaml changes (#42428)

* Notify on drone yaml changes

* Change secrets

* Remove test notification

* Fix typo

.drone.yml

@@ -832,6 +832,34 @@ volumes:
 - name: cypress_cache
   temp: {}
 ---
+depends_on: []
+kind: pipeline
+name: notify-drone-changes
+platform:
+  arch: amd64
+  os: linux
+steps:
+- image: plugins/slack
+  name: slack
+  settings:
+    channel: slack-webhooks-test
+    template: "`.drone.yml` and `starlark` files have been changed on the OSS repo,
+      by: {{build.author}}. \nBranch: <https://github.com/{{ repo.owner }}/{{ repo.name
+      }}/commits/{{ build.branch }}|{{ build.branch }}>\nCommit hash: <https://github.com/{{repo.owner}}/{{repo.name}}/commit/{{build.commit}}|{{
+      truncate build.commit 8 }}>"
+    webhook:
+      from_secret: drone-changes-webhook
+trigger:
+  branch: main
+  event:
+  - push
+  paths:
+    exclude:
+    - exclude
+    include:
+    - .drone.yml
+type: docker
+---
 depends_on:
 - build-main
 - windows-main
@@ -4158,6 +4186,6 @@ kind: secret
 name: drone_token
 ---
 kind: signature
-hmac: e905a82f06335fcdb8d1ea1d5c0b1d966cd66e37a49ae771d4d2ffcd1f3d8997
+hmac: 003d0d4a8b4e2fc81f575c838b064e5778c2562b445b26c5a76339ca95c95330
 
 ...

scripts/drone/pipelines/main.star

@@ -49,6 +49,8 @@ load(
     'scripts/drone/utils/utils.star',
     'pipeline',
     'notify_pipeline',
+    'failure_template',
+    'drone_change_template',
 )
 
 ver_mode = 'main'
@@ -142,6 +144,18 @@ def main_pipelines(edition):
         'event': ['push',],
         'branch': 'main',
     }
+    drone_change_trigger = {
+        'event': ['push',],
+        'branch': 'main',
+        'paths': {
+            'include': [
+                '.drone.yml',
+            ],
+            'exclude': [
+                'exclude',
+            ],
+        },
+    }
     steps, windows_steps, publish_steps = get_steps(edition=edition)
 
     if edition == 'enterprise':
@@ -157,6 +171,8 @@ def main_pipelines(edition):
             name='windows-main', edition=edition, trigger=trigger,
             steps=initialize_step(edition, platform='windows', ver_mode=ver_mode) + windows_steps,
             depends_on=['build-main'], platform='windows',
+        ), notify_pipeline(
+            name='notify-drone-changes', slack_channel='slack-webhooks-test', trigger=drone_change_trigger, template=drone_change_template, secret='drone-changes-webhook',
         ),
     ]
     if edition != 'enterprise':
@@ -167,8 +183,8 @@ def main_pipelines(edition):
         ))
 
         pipelines.append(notify_pipeline(
-            name='notify-main', slack_channel='grafana-ci-notifications', trigger=trigger,
-            depends_on=['build-main', 'windows-main', 'publish-main'],
+            name='notify-main', slack_channel='grafana-ci-notifications', trigger=dict(trigger, status = ['failure']),
+            depends_on=['build-main', 'windows-main', 'publish-main'], template=failure_template, secret='slack_webhook'
         ))
     else:
         # Add downstream enterprise pipelines triggerable from OSS builds
@@ -192,8 +208,8 @@ def main_pipelines(edition):
         ))
 
         pipelines.append(notify_pipeline(
-            name='notify-main-downstream', slack_channel='grafana-enterprise-ci-notifications', trigger=trigger,
-            depends_on=['build-main-downstream', 'windows-main-downstream', 'publish-main-downstream'],
+            name='notify-main-downstream', slack_channel='grafana-enterprise-ci-notifications', trigger=dict(trigger, status = ['failure']),
+            depends_on=['build-main-downstream', 'windows-main-downstream', 'publish-main-downstream'], template=failure_template, secret='slack_webhook',
         ))
 
     return pipelines

scripts/drone/pipelines/pr.star

@@ -40,7 +40,10 @@ load(
 
 load(
     'scripts/drone/utils/utils.star',
+    'notify_pipeline',
     'pipeline',
+    'failure_template',
+    'drone_change_template',
 )
 
 ver_mode = 'pr'
@@ -109,7 +112,6 @@ def pr_pipelines(edition):
         build_steps.extend([
             package_step(edition=edition2, ver_mode=ver_mode, include_enterprise2=include_enterprise2, variants=['linux-x64']),
             e2e_tests_server_step(edition=edition2, port=3002),
-            e2e_tests_step(edition=edition2, port=3002),
             e2e_tests_step('dashboards-suite', edition=edition2, port=3002),
             e2e_tests_step('smoke-tests-suite', edition=edition2, port=3002),
             e2e_tests_step('panels-suite', edition=edition2, port=3002),

scripts/drone/pipelines/release.star

@@ -48,6 +48,8 @@ load(
     'scripts/drone/utils/utils.star',
     'pipeline',
     'notify_pipeline',
+    'failure_template',
+    'drone_change_template',
 )
 
 def release_npm_packages_step(edition, ver_mode):
@@ -227,8 +229,8 @@ def release_pipelines(ver_mode='release', trigger=None):
         pipelines.append(publish_pipeline)
 
     pipelines.append(notify_pipeline(
-        name='notify-{}'.format(ver_mode), slack_channel='grafana-ci-notifications', trigger=trigger,
-        depends_on=[p['name'] for p in pipelines],
+        name='notify-{}'.format(ver_mode), slack_channel='grafana-ci-notifications', trigger=dict(trigger, status = ['failure']),
+        depends_on=[p['name'] for p in pipelines], template=failure_template, secret='slack_webhook',
     ))
 
     return pipelines
@@ -260,8 +262,8 @@ def test_release_pipelines():
     pipelines = oss_pipelines + enterprise_pipelines + [publish_pipeline,]
 
     pipelines.append(notify_pipeline(
-        name='notify-{}'.format(ver_mode), slack_channel='grafana-ci-notifications', trigger=trigger,
-        depends_on=[p['name'] for p in pipelines],
+        name='notify-{}'.format(ver_mode), slack_channel='grafana-ci-notifications', trigger=dict(trigger, status = ['failure']),
+        depends_on=[p['name'] for p in pipelines], template=failure_template, secret='slack_webhook',
     ))
 
     return pipelines

scripts/drone/steps/lib.star

@@ -12,14 +12,14 @@ wix_image = 'grafana/ci-wix:0.1.1'
 test_release_ver = 'v7.3.0-test'
 
 
-def slack_step(channel):
+def slack_step(channel, template, secret):
     return {
         'name': 'slack',
         'image': 'plugins/slack',
         'settings': {
-            'webhook': from_secret('slack_webhook'),
+            'webhook': from_secret(secret),
             'channel': channel,
-            'template': 'Build {{build.number}} failed for commit: <https://github.com/{{repo.owner}}/{{repo.name}}/commit/{{build.commit}}|{{ truncate build.commit 8 }}>: {{build.link}}\nBranch: <https://github.com/{{ repo.owner }}/{{ repo.name }}/commits/{{ build.branch }}|{{ build.branch }}>\nAuthor: {{build.author}}',
+            'template': template,
         },
     }
 

scripts/drone/utils/utils.star

@@ -6,6 +6,9 @@ load(
 
 load('scripts/drone/vault.star', 'from_secret', 'github_token', 'pull_secret', 'drone_token')
 
+failure_template = 'Build {{build.number}} failed for commit: <https://github.com/{{repo.owner}}/{{repo.name}}/commit/{{build.commit}}|{{ truncate build.commit 8 }}>: {{build.link}}\nBranch: <https://github.com/{{ repo.owner }}/{{ repo.name }}/commits/{{ build.branch }}|{{ build.branch }}>\nAuthor: {{build.author}}'
+drone_change_template = '`.drone.yml` and `starlark` files have been changed on the OSS repo, by: {{build.author}}. \nBranch: <https://github.com/{{ repo.owner }}/{{ repo.name }}/commits/{{ build.branch }}|{{ build.branch }}>\nCommit hash: <https://github.com/{{repo.owner}}/{{repo.name}}/commit/{{build.commit}}|{{ truncate build.commit 8 }}>'
+
 def pipeline(
     name, edition, trigger, steps, services=[], platform='linux', depends_on=[],
     ):
@@ -54,8 +57,8 @@ def pipeline(
 
     return pipeline
 
-def notify_pipeline(name, slack_channel, trigger, depends_on=[]):
-    trigger = dict(trigger, status = ['failure'])
+def notify_pipeline(name, slack_channel, trigger, depends_on=[], template=None, secret=None):
+    trigger = dict(trigger)
     return {
         'kind': 'pipeline',
         'type': 'docker',
@@ -66,7 +69,7 @@ def notify_pipeline(name, slack_channel, trigger, depends_on=[]):
         'name': name,
         'trigger': trigger,
         'steps': [
-            slack_step(slack_channel),
+            slack_step(slack_channel, template, secret),
         ],
         'depends_on': depends_on,
     }