##

# Posts messages to the Making WordPress Core Slack Instance by

# submitting data to Slack webhook URLs received by Slack Workflows.

##

name: Slack Notifications

on:

workflow_run:

workflows:

- Code Coverage Report

- Coding Standards

- End-to-end Tests

- JavaScript Tests

- PHP Compatibility

- PHPUnit Tests

- Test NPM

- Test old branches

types:

- completed

branches:

- master

- trunk

- '[3-9].[0-9]'

jobs:

# Gathers the details needed for Slack notifications.

#

# These details are passed as outputs to the subsequent, dependant jobs that

# submit data to Slack webhook URLs configured to post messages.

#

# Performs the following steps:

# - Retrieves the previous workflow run and stores its conclusion.

# - Sets the previous conclusion as an output.

# - Constructs and stores a message payload as an output.

prepare:

name: Prepare notifications

runs-on: ubuntu-latest

if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event.workflow_run.event != 'pull_request' }}

outputs:

previous_conclusion: ${{ steps.previous-conclusion.outputs.previous_conclusion }}

payload: ${{ steps.create-payload.outputs.payload }}

steps:

- name: Get details about the previous workflow run

id: previous-result

uses: actions/github-script@a3e7071a34d7e1f219a8a4de9a5e0a34d1ee1293 # v4.0.2

with:

script: |

const workflow_runs = await github.actions.listWorkflowRuns({

owner: context.repo.owner,

repo: context.repo.repo,

workflow_id: ${{ github.event.workflow_run.workflow_id }},

branch: '${{ github.event.workflow_run.head_branch }}',

per_page: 1,

page: 2,

});

return workflow_runs.data.workflow_runs[0].conclusion;

- name: Store previous conclusion as an output

id: previous-conclusion

run: echo "::set-output name=previous_conclusion::${{ steps.previous-result.outputs.result }}"

- name: Prepare commit message.

id: commit-message

run: |

COMMIT_MESSAGE=$(cat <<'EOF' | awk 'NR==1' | sed 's/`/\\`/g' | sed 's/\"/\\\\"/g'

${{ github.event.workflow_run.head_commit.message }}

EOF

)

echo "::set-output name=commit_message_escaped::${COMMIT_MESSAGE}"

- name: Construct payload and store as an output

id: create-payload

run: echo "::set-output name=payload::{\"workflow_name\":\"${{ github.event.workflow_run.name }}\",\"ref_name\":\"${{ github.event.workflow_run.head_branch }}\",\"run_url\":\"${{ github.event.workflow_run.html_url }}\",\"commit_message\":\"${{ steps.commit-message.outputs.commit_message_escaped }}\"}"

# Posts notifications when a workflow fails.

failure:

name: Failure notifications

runs-on: ubuntu-latest

needs: [ prepare ]

if: ${{ github.event.workflow_run.conclusion == 'failure' }}

steps:

- name: Post failure notifications to Slack

uses: slackapi/slack-github-action@d5d276d7ae0f38f29322b80da9baf985cc80f8b1 # v1.15.0

with:

payload: ${{ needs.prepare.outputs.payload }}

env:

SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}

# Posts notifications the first time a workflow run succeeds after previously failing.

fixed:

name: Fixed notifications

runs-on: ubuntu-latest

needs: [ prepare ]

if: ${{ needs.prepare.outputs.previous_conclusion == 'failure' && github.event.workflow_run.conclusion == 'success' }}

steps:

- name: Post failure notifications to Slack

uses: slackapi/slack-github-action@d5d276d7ae0f38f29322b80da9baf985cc80f8b1 # v1.15.0

with:

payload: ${{ needs.prepare.outputs.payload }}

env:

SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}

# Posts notifications when a workflow is successful.

success:

name: Success notifications

runs-on: ubuntu-latest

needs: [ prepare ]

if: ${{ github.event.workflow_run.conclusion == 'success' }}

steps:

- name: Post success notifications to Slack

uses: slackapi/slack-github-action@d5d276d7ae0f38f29322b80da9baf985cc80f8b1 # v1.15.0

with:

payload: ${{ needs.prepare.outputs.payload }}

env:

SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}

# Posts notifications when a workflow is cancelled.

cancelled:

name: Cancelled notifications

runs-on: ubuntu-latest

needs: [ prepare ]

if: ${{ github.event.workflow_run.conclusion == 'cancelled' }}

steps:

- name: Post cancelled notifications to Slack

uses: slackapi/slack-github-action@d5d276d7ae0f38f29322b80da9baf985cc80f8b1 # v1.15.0

with:

payload: ${{ needs.prepare.outputs.payload }}

env:

SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}