Integrating buttons with Github Actions

[vovados1]

Description

I’m trying to integrate buttons in Slack with GitHub Actions, so when I press a specific button, it runs a certain action. In the Slack documentation, it says there’s a url option where a request will be sent when the button is pressed. However, it requires running your own server to handle these requests. Is there any way to avoid running a server and still run the action I need? Here’s the payload I send:

- name: Send Slack notification for production approval
    uses: slackapi/slack-github-action@v2.0.0
    with:
      method: chat.postMessage
      token: ${{ secrets.SLACK_BOT_TOKEN }}
      payload: |
        channel: ${{ secrets.SLACK_CHANNEL_ID }}
        text: "New release request"
        blocks:
          - type: "header"
            text:
              type: "plain_text"
              text: "New release request"
          - type: "divider"
          - type: "section"
            fields:
              - type: "mrkdwn"
                text: "*Commit ID:*\n${{ github.event.pull_request.head.sha }}"
              - type: "mrkdwn"
                text: "*When:*\n${{ github.event.pull_request.merged_at }}"
              - type: "mrkdwn"
                text: "*Created by:*\n<${{ github.event.pull_request.user.html_url }}|@${{ github.event.pull_request.user.login }}>"
              - type: "mrkdwn"
                text: "*Merged by:*\n<${{ github.event.pull_request.merged_by.html_url }}|@${{ github.event.pull_request.merged_by.login }}>"
          - type: "divider"
          - type: "actions"
            elements:
              - type: "button"
                text:
                  type: "plain_text"
                  text: "Approve"
                action_id: "approve_production_deploy"
                value: "${{ github.event.pull_request.head.sha }}"
                url: // Here we need a forward url
                style: "primary"
                confirm:
                  title:
                    type: "plain_text"
                    text: "Are you sure?"
                  text:
                    type: "plain_text"
                    text: "Release the version to production? Action cannot be undone unless reverted manually"
                  confirm:
                    type: "plain_text"
                    text: "Release"
                  deny:
                    type: "plain_text"
                    text: "Close"
              - type: "button"
                text:
                  type: "plain_text"
                  text: "Reject"
                action_id: "reject_production_deploy"
                value: "${{ github.event.pull_request.head.sha }}"
                url: // Here we need a forward url
                style: "danger"
                confirm:
                  title:
                    type: "plain_text"
                    text: "Are you sure?"
                  text:
                    type: "plain_text"
                    text: "By rejecting this release preview is going to be returned to the latest release"
                  style: "danger"
                  confirm:
                    type: "plain_text"
                    text: "Reject"
                  deny:
                    type: "plain_text"
                    text: "Close"

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• enhancement (feature request)
• question
• documentation related
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• testing related
• discussion

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• I've read and understood the Contributing guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.
• I've searched for any related issues and avoided creating a duplicate issue.

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[zimeg]

Hey @dx1ded! 👋 Sorry for the slow response here, but I'd be super interested in knowing if you could make this work?

I was thinking using Technique 1 and Slack Workflow Builder might be an interesting option with repository_dispatch used to start other GitHub workflows via button, but that might require authorization and a need for infrastructure. Creating a Slack Workflow with a custom function to handle this authorization is possible - sample here - but I haven't explored having these workflows run from a GitHub event 🔍

In whichever case, please let me know if you found a way to do this! 📚

[vovados1]

Thanks for the response, @zimeg!

Unfortunately, I did not find a solution to make it work without an external server. So, I simply wrote a AWS Lambda Function which represents Slack interactivity gateway, dispatching a specific Github Action based on action_id, and integrated it with AWS API Gateway.