chore: first test cluster scanner (#5538)

* chore: first test cluster scanner

* chore: matrix test

* chore: change matrix logic, add stage env

* chore: remove test token and add manual dispatch

* chore: address suggestions, last test

* chore: remove test condition

(cherry picked from commit 9f8a825)

.github/workflows/cluster-scanner-librarium.yaml

@@ -0,0 +1,87 @@
+name: Cluster Scanner
+
+on:
+  # Every Tuesday and Friday at 17 UTC
+  schedule:
+    - cron: "0 17 * * 2,5"
+  workflow_dispatch:
+
+jobs:
+  scan-clusters:
+    name: cluster-scan
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 1
+      matrix:
+        environment: [PROD, DEV, STAGE]
+
+    steps:
+      - name: Checkout Palette Samples Repository
+        uses: actions/checkout@v4
+        with: 
+          repository: spectrocloud/palette-samples
+
+      - name: Set Up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: "scripts/cluster-scanner/go.mod"
+
+      - name: Install Dependencies
+        working-directory: scripts/cluster-scanner
+        run: go get ./...
+
+      - name: Set Environment Variables Based on Environment
+        run: |
+          if [ "${{ matrix.environment }}" = "DEV" ]; then
+            echo "PALETTE_API_KEY=${{ secrets.SCAN_PALETTE_API_KEY_DEV }}" >> $GITHUB_ENV
+            echo "PALETTE_HOST=${{ secrets.SCAN_PALETTE_HOST_DEV }}" >> $GITHUB_ENV
+          elif [ "${{ matrix.environment }}" = "PROD" ]; then
+            echo "PALETTE_API_KEY=${{ secrets.SCAN_PALETTE_API_KEY_PROD }}" >> $GITHUB_ENV
+            echo "PALETTE_HOST=${{ secrets.SCAN_PALETTE_HOST_PROD }}" >> $GITHUB_ENV
+          else
+            echo "PALETTE_API_KEY=${{ secrets.SCAN_PALETTE_API_KEY_STAGE }}" >> $GITHUB_ENV
+            echo "PALETTE_HOST=${{ secrets.SCAN_PALETTE_HOST_STAGE }}" >> $GITHUB_ENV
+          fi
+
+      - name: Build and Run the App
+        working-directory: scripts/cluster-scanner
+        env:
+          PALETTE_API_KEY: ${{ env.PALETTE_API_KEY }}
+          PALETTE_HOST: ${{ env.PALETTE_HOST }}
+        run: |
+          set -e
+          go build -o cluster-scanner
+          ./cluster-scanner | tee result.log
+
+      - name: Get Clusters With More Than 24 Hours and Format Output
+        working-directory: scripts/cluster-scanner
+        run: |
+          if grep -q "The following clusters have been running" result.log; then
+            echo "CLUSTERS_FOUND=true" >> $GITHUB_ENV
+            {
+              echo 'LOG_MESSAGE<<EOF'
+              echo "Palette Environment: ${{ matrix.environment }}"
+              sed 's/^.*msg=//' result.log | sed -n '/The following clusters/,/$/p' | sed 's/"//g'
+              echo EOF
+            } >> "$GITHUB_ENV"
+          fi
+
+      - name: Send Slack Notification
+        if: ${{ success() && env.CLUSTERS_FOUND == 'true' }}
+        uses: rtCamp/[email protected]
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_PRIVATE_TEAM_WEBHOOK }}
+          SLACK_COLOR: "good"
+          SLACKIFY_MARKDOWN: true
+          ENABLE_ESCAPES: true
+          SLACK_MESSAGE: ${{ env.LOG_MESSAGE }}
+
+      - name: Slack Notification on Failure
+        if: ${{ failure() }}
+        uses: rtCamp/[email protected]
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_PRIVATE_TEAM_WEBHOOK }}
+          SLACK_COLOR: "danger"
+          SLACKIFY_MARKDOWN: true
+          ENABLE_ESCAPES: true
+          SLACK_MESSAGE: "The cluster scan job for `${{ github.workflow }}` in `${{ github.repository }}` failed. [View details](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})."