feat: add slack notification for workflows

.github/resources/slack-payloads/slack-message-template.json

@@ -0,0 +1,22 @@
+{
+	"attachments": [
+		{
+			"pretext": "{{ env.PRE_TEXT_MESSAGE }}",
+			"fallback": "{{ env.FALLBACK_MESSAGE }}",
+			"color": "{{ env.COLOR }}",
+			"author_name": "{{ github.workflow }}",
+			"author_link": "{{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/actions/runs/{{ env.GITHUB_RUN_ID }}",
+			"title": "{{ env.GITHUB_REPOSITORY }}",
+			"title_link": "{{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}",
+			"fields": [
+				{
+					"title": "Release Tag",
+					"short": true,
+					"value": "{{ env.RELEASETAG }}"
+				}
+			],
+			"footer": "deployed by: {{ github.actor }}",
+			"footer_icon": "https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png"
+		}
+	]
+}

.github/workflows/release.yml

@@ -68,3 +68,39 @@ jobs:
         uses: pypa/gh-action-pypi-publish@master
         with:
           password: ${{ secrets.PYPI_TOKEN }}
+
+  post-release:
+    name: Post Release Actions
+
+    runs-on: ubuntu-latest
+    if: ${{ always() }}
+    needs:
+      - generate-version
+      - publish
+
+    steps:
+      - name: Slack - Success Message
+        uses: DSdatsme/slack-github-action@env_support
+        if: ${{ success() && needs.publish.result == 'success' }}
+        with:
+          channel-id: ${{ vars.SLACK_CHANNEL_ID }}
+          payload-file-path: ./.github/resources/slack-payloads/slack-message-template.json
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+          RELEASETAG: ${{ needs.generate-version.outputs.new_version }}
+          PRE_TEXT_MESSAGE: "Workflow Passed! :successkid:"
+          FALLBACK_MESSAGE: "Workflow Passed!"
+          COLOR: "good"
+
+      - name: Slack - Failure Message
+        uses: DSdatsme/slack-github-action@env_support
+        if: ${{ failure() || needs.publish.result != 'success' }}
+        with:
+          channel-id: ${{ vars.SLACK_CHANNEL_ID }}
+          payload-file-path: ./.github/resources/slack-payloads/slack-message-template.json
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+          RELEASETAG: ${{ needs.generate-version.outputs.new_version }}
+          PRE_TEXT_MESSAGE: "<!channel> Workflow Failed! :x:"
+          FALLBACK_MESSAGE: "Workflow Failed!"
+          COLOR: "danger"