Migrate to Prometheus Operator

argocd/applications/prometheus-operator.yml

@@ -1,17 +1,14 @@
 apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata:
-  name: monitoring
+  name: prometheus-operator
   namespace: argocd
 spec:
   project: default
   source:
     repoURL: 'git@git.k-space.ee:k-space/kube.git'
-    path: monitoring
+    path: prometheus-operator
     targetRevision: HEAD
   destination:
     server: 'https://kubernetes.default.svc'
-    namespace: monitoring
-  syncPolicy:
-    syncOptions:
-      - CreateNamespace=true
+    namespace: prometheus-operator

argocd/monitoring.yml

@@ -0,0 +1,33 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: argocd
+spec:
+  selector: {}
+  podMetricsEndpoints:
+  - port: metrics
+  - port: controller
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: argocd
+spec:
+  groups:
+  - name: argocd
+    rules:
+    - alert: ArgoNotSynced
+      annotations:
+        summary: Some applications in Argo are out of sync
+      expr: sum by (dest_namespace) (argocd_app_info{sync_status!="Synced"}) > 0
+      for: 8h
+      labels:
+        severity: warning
+    - alert: ArgoNotHealthy
+      annotations:
+        summary: Some applications in Argo are not healthy
+      expr: argocd_app_info{health_status!="Healthy"}
+      for: 30m
+      labels:
+        severity: warning

argocd/values.yaml

@@ -77,10 +77,6 @@ server:
 
   metrics:
     enabled: true
-    service:
-      annotations:
-        prometheus.io/scrape: "true"
-        prometheus.io/port: "8083"
 
 # We don't use ApplicationSet CRD-s (yet)
 applicationSet:
@@ -89,26 +85,14 @@ applicationSet:
 repoServer:
   metrics:
     enabled: true
-    service:
-      annotations:
-        prometheus.io/scrape: "true"
-        prometheus.io/port: "8084"
 
 notifications:
   metrics:
     enabled: true
-    service:
-      annotations:
-        prometheus.io/scrape: "true"
-        prometheus.io/port: "9001"
 
 controller:
   metrics:
     enabled: true
-    service:
-      annotations:
-        prometheus.io/scrape: "true"
-        prometheus.io/port: "8082"
 
 configs:
   secret: