Add cron

.woodpecker.yml

@@ -1,4 +1,17 @@
+# =============================================================================
+# Pipeline 1: CI/CD
+# Triggered by: pull_request (validate + drift-check)
+#               push to master (validate + deploy + post-deploy sync metric)
+# =============================================================================
+when:
+  - event: pull_request
+  - event: push
+    branch: master
+
 steps:
+  # ---------------------------------------------------------------------------
+  # syntax-check: Lint all playbooks – runs on pull_request and push
+  # ---------------------------------------------------------------------------
   syntax-check:
     image: alpine/ansible:latest
     environment:
@@ -6,6 +19,9 @@ steps:
     commands:
       - ansible-playbook -i ansible/inventory/hosts.yml --syntax-check ansible/playbooks/*.yml
 
+  # ---------------------------------------------------------------------------
+  # validate: Validate server state – runs on pull_request and push
+  # ---------------------------------------------------------------------------
   validate:
     image: alpine/ansible:latest
     depends_on: [syntax-check]
@@ -19,6 +35,9 @@ steps:
       - chmod 600 ~/.ssh/id_rsa
       - ansible-playbook -i ansible/inventory/hosts.yml ansible/playbooks/validate.yml
 
+  # ---------------------------------------------------------------------------
+  # drift-check: Compare server config to Git – runs on pull_request only
+  # ---------------------------------------------------------------------------
   drift-check:
     image: alpine/ansible:latest
     depends_on: [syntax-check]
@@ -34,6 +53,9 @@ steps:
     when:
       event: pull_request
 
+  # ---------------------------------------------------------------------------
+  # deploy: Apply Git configuration to server – runs on push to master only
+  # ---------------------------------------------------------------------------
   deploy:
     image: alpine/ansible:latest
     depends_on: [syntax-check, validate]
@@ -49,3 +71,119 @@ steps:
     when:
       branch: master
       event: push
+
+  # ---------------------------------------------------------------------------
+  # update-sync-metric: Verify post-deploy sync and report to Prometheus
+  # Runs drift-check after deploy; pushes gitops_sync_status metric.
+  # STATUS=1 means SYNCED, STATUS=0 means OUT_OF_SYNC.
+  # Runs on push to master only, after deploy succeeds.
+  # ---------------------------------------------------------------------------
+  update-sync-metric:
+    image: alpine/ansible:latest
+    depends_on: [deploy]
+    environment:
+      ANSIBLE_CONFIG: ansible.cfg
+      SSH_PRIVATE_KEY:
+        from_secret: SSH_PRIVATE_KEY
+      PUSHGATEWAY_URL:
+        from_secret: PUSHGATEWAY_URL
+    commands:
+      - |
+        apk add --no-cache curl > /dev/null 2>&1
+        mkdir -p ~/.ssh
+        printf '%s\n' "$${SSH_PRIVATE_KEY}" > ~/.ssh/id_rsa
+        chmod 600 ~/.ssh/id_rsa
+
+        echo "==> Verifying post-deploy sync status..."
+        set +e
+        ansible-playbook -i ansible/inventory/hosts.yml ansible/playbooks/drift-check.yml
+        DRIFT_RC=$?
+        set -e
+
+        if [ "$DRIFT_RC" -eq 0 ]; then
+          STATUS=1
+          echo "==> SYNCED (1) – server configuration matches Git"
+        else
+          STATUS=0
+          echo "==> OUT OF SYNC (0) – drift detected after deploy"
+        fi
+
+        printf 'gitops_sync_status{repo="rsyslog",server="rsyslog-lab"} %s\n' "$STATUS" | \
+          curl --silent --show-error --fail --data-binary @- \
+          "$${PUSHGATEWAY_URL}/metrics/job/gitops_rsyslog/instance/rsyslog-lab"
+
+        exit $DRIFT_RC
+    when:
+      branch: master
+      event: push
+
+---
+# =============================================================================
+# Pipeline 2: GitOps Sync Check (ArgoCD-style continuous drift detection)
+# Triggered by: cron – runs every 2 minutes even without a new push
+#
+# Purpose: Detect manual configuration changes made directly on the server
+# (outside Git). If someone edits /etc/rsyslog.conf by hand, the next cron
+# run will catch it and mark the system OUT_OF_SYNC in Prometheus.
+#
+# This pipeline does NOT deploy anything – it is a read-only drift check.
+#
+# ─── Woodpecker Cron Configuration (set in the Woodpecker UI) ───────────────
+#   Name:     gitops-drift-check
+#   Branch:   master
+#   Schedule: */2 * * * *
+# ─────────────────────────────────────────────────────────────────────────────
+#
+# Required secrets (Woodpecker → Repository Settings → Secrets):
+#   SSH_PRIVATE_KEY  – SSH key to reach the managed server
+#   PUSHGATEWAY_URL  – Base URL of Prometheus Pushgateway
+#                      e.g. http://pushgateway:9091
+# =============================================================================
+when:
+  event: cron
+
+steps:
+  # ---------------------------------------------------------------------------
+  # gitops_sync_check: Read-only drift check + Prometheus metric push
+  # STATUS=1 → SYNCED   (server matches Git)
+  # STATUS=0 → OUT_OF_SYNC (manual drift detected on server)
+  # Pipeline is marked FAILED when out of sync so it is visible in the UI.
+  # ---------------------------------------------------------------------------
+  gitops_sync_check:
+    image: alpine/ansible:latest
+    environment:
+      ANSIBLE_CONFIG: ansible.cfg
+      SSH_PRIVATE_KEY:
+        from_secret: SSH_PRIVATE_KEY
+      PUSHGATEWAY_URL:
+        from_secret: PUSHGATEWAY_URL
+    commands:
+      - |
+        apk add --no-cache curl > /dev/null 2>&1
+
+        # Prepare SSH key for remote server access
+        mkdir -p ~/.ssh
+        printf '%s\n' "$${SSH_PRIVATE_KEY}" > ~/.ssh/id_rsa
+        chmod 600 ~/.ssh/id_rsa
+
+        echo "==> [cron] Running drift check against remote server..."
+        set +e
+        ansible-playbook -i ansible/inventory/hosts.yml ansible/playbooks/drift-check.yml
+        DRIFT_RC=$?
+        set -e
+
+        if [ "$DRIFT_RC" -eq 0 ]; then
+          STATUS=1
+          echo "==> STATUS: SYNCED (1) – server configuration matches Git"
+        else
+          STATUS=0
+          echo "==> STATUS: OUT OF SYNC (0) – manual drift detected on server"
+        fi
+
+        echo "==> Pushing metric: gitops_sync_status{repo=\"rsyslog\",server=\"rsyslog-lab\"} $STATUS"
+        printf 'gitops_sync_status{repo="rsyslog",server="rsyslog-lab"} %s\n' "$STATUS" | \
+          curl --silent --show-error --fail --data-binary @- \
+          "$${PUSHGATEWAY_URL}/metrics/job/gitops_rsyslog/instance/rsyslog-lab"
+
+        # Exit non-zero when out of sync so Woodpecker marks the pipeline FAILED
+        exit $DRIFT_RC