CI: send slack notification on failed nightly job (#18578)

.github/scripts/notify_slack.sh

@@ -2,7 +2,6 @@
 # Copyright (c) HashiCorp, Inc.
 # SPDX-License-Identifier: BUSL-1.1
 
-
 set -uo pipefail
 
 # This script is used in GitHub Actions pipelines to notify Slack of a job failure.
@@ -13,8 +12,8 @@ if [[ $GITHUB_REF_NAME == "main" ]]; then
 	COMMIT_MESSAGE=$(git log -1 --pretty=%B | head -n1)
 	SHORT_REF=$(git rev-parse --short "${GITHUB_SHA}")
 	curl -X POST -H 'Content-type: application/json' \
-	--data \
-	"{ \
+		--data \
+		"{ \
 	\"attachments\": [ \
 		{ \
 		\"fallback\": \"GitHub Actions workflow failed!\", \

.github/workflows/nightly-test-integrations-1.15.x.yml

@@ -307,3 +307,14 @@ jobs:
             printf "Tests failed or workflow cancelled:\n\n${{ toJSON(needs) }}"
             exit 1
           fi
+      - name: Notify Slack
+        if: ${{ failure() }}
+        id: slack
+        uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117 # v1.24.0
+        with:
+          payload: |
+            {
+              "message": "One or more nightly integration tests have failed on branch ${{ env.BRANCH }} for Consul. ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.CONSUL_NIGHTLY_INTEG_TEST_SLACK_WEBHOOK }}

.github/workflows/nightly-test-integrations-1.16.x.yml

@@ -329,3 +329,14 @@ jobs:
             printf "Tests failed or workflow cancelled:\n\n${{ toJSON(needs) }}"
             exit 1
           fi
+      - name: Notify Slack
+        if: ${{ failure() }}
+        id: slack
+        uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117 # v1.24.0
+        with:
+          payload: |
+            {
+              "message": "One or more nightly integration tests have failed on branch ${{ env.BRANCH }} for Consul. ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.CONSUL_NIGHTLY_INTEG_TEST_SLACK_WEBHOOK }}

.github/workflows/nightly-test-integrations.yml

@@ -326,3 +326,14 @@ jobs:
             printf "Tests failed or workflow cancelled:\n\n${{ toJSON(needs) }}"
             exit 1
           fi
+      - name: Notify Slack
+        if: ${{ failure() }}
+        id: slack
+        uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117 # v1.24.0
+        with:
+          payload: |
+            {
+              "message": "One or more nightly integration tests have failed. ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.CONSUL_NIGHTLY_INTEG_TEST_SLACK_WEBHOOK }}