Add Notify on Failure workflow alert & minor linting/deps (#45)

* failure workflow and minor linting

* contributing

* remove main branch'

---------

Co-authored-by: jamie zieziula <[email protected]>

.github/workflows/helm-chart-release.yaml

@@ -1,11 +1,14 @@
-name: Create prefect-helm release
+---
+name: Trigger Downstream Helm Chart Release
 
-on:
+"on":
   # As soon as this repo creates an official release, we will
   # create a corresponding release in the helm chart repo
   release:
     types: [released]
 
+permissions: {}
+
 jobs:
   create_helm_release:
     runs-on: ubuntu-latest

.github/workflows/notify-on-failure.yaml

@@ -0,0 +1,46 @@
+---
+name: Notify on Failure
+
+"on":
+  workflow_run:
+    workflows:
+      - Build and Publish prometheus-prefect-exporter Image
+      - Trigger Downstream Helm Chart Release
+    types: [completed]
+
+permissions: {}
+
+jobs:
+  notify:
+    name: Notify on Failure
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
+    permissions:
+      # required to introspect the workflow run
+      actions: read
+      # required to read from the repo
+      contents: read
+    steps:
+      - name: Format date
+        run: |
+          formatted_date=$(date -d "${{ github.event.workflow_run.run_started_at }}" "+%b %d at %I:%M %p")
+          echo "FORMATTED_DATE=$formatted_date" >> $GITHUB_ENV
+
+      - name: Send Slack notification
+        uses: 8398a7/action-slack@v3
+        with:
+          status: custom
+          # https://api.slack.com/reference/messaging/attachments
+          custom_payload: |
+            {
+              attachments: [{
+                pretext: ':x: Workflow triggered by ${{ github.actor }} failed',
+                title: '${{ github.event.workflow_run.display_title }} #${{github.event.workflow_run.run_number}}',
+                title_link: '${{ github.event.workflow_run.html_url }}',
+                footer: '${{ github.repository }} | ${{ env.FORMATTED_DATE }} UTC',
+                footer_icon: 'https://slack-imgs.com/?c=1&o1=wi32.he32.si&url=https%3A%2F%2Fslack.github.com%2Fstatic%2Fimg%2Ffavicon-neutral.png',
+                color: 'danger',
+              }]
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_GHA_JOB_STATUS }}

.github/workflows/release-build-deploy.yaml

@@ -1,17 +1,17 @@
-name: Build and publish prometheus-prefect-exporter image
+---
+name: Build and Publish prometheus-prefect-exporter Image
 
 "on":
   push:
     tags:
       - '*'
 
-# Do not grant jobs any permissions by default
 permissions: {}
 
 jobs:
   build_push_exporter:
     permissions:
-      # required to clone repository
+      # required to read from the repo
       contents: read
     runs-on: ubuntu-latest
     steps:

.gitignore

@@ -1,2 +1,5 @@
 # Python artifacts
 __pycache__/
+
+# OS
+.DS_Store

.mise.toml

@@ -0,0 +1,6 @@
+[tools]
+actionlint = '1.7.1'
+pre-commit = '3.7.1'
+python = '3.11'
+ruff = '0.4.9'
+shellcheck = '0.10.0'

.pre-commit-config.yaml

@@ -6,14 +6,24 @@ repos:
       - id: end-of-file-fixer
       - id: no-commit-to-branch
       - id: trailing-whitespace
+
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.2.1
     hooks:
       - id: ruff
         language_version: python3
         args: [--fix, --exit-non-zero-on-fix, --show-fixes]
       - id: ruff-format
+
+  - repo: https://github.com/koalaman/shellcheck-precommit
+    rev: v0.7.2
+    hooks:
+      - id: shellcheck
+        args: ["--severity=error"]
+
   - repo: https://github.com/rhysd/actionlint
     rev: v1.7.1
     hooks:
       - id: actionlint
+        args:
+          - -shellcheck=

CONTRIBUTING.md

@@ -0,0 +1,12 @@
+# Contributing to Prometheus Prefect Exporter
+
+## Local development
+
+To get started, ensure you have the required dependencies installed:
+
+```shell
+mise install
+```
+
+Be sure to run `pre-commit install` before starting any development. [`pre-commit`](https://pre-commit.com/)
+will help catch simple issues before committing.