Add monitoring applications to kustomization.yaml for enhanced observability

clusters/noble/apps/kustomization.yaml

@@ -4,4 +4,6 @@ resources:
   - argocd/application.yaml
   - cilium/application.yaml
   - kube-vip/application.yaml
+  - monitoring-kube-prometheus/application.yaml
+  - monitoring-loki/application.yaml
 

clusters/noble/apps/monitoring-kube-prometheus/application.yaml

@@ -0,0 +1,45 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: monitoring-kube-prometheus
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "1"
+spec:
+  project: default
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+  sources:
+    - repoURL: https://prometheus-community.github.io/helm-charts
+      chart: kube-prometheus-stack
+      helm:
+        valuesObject:
+          prometheus:
+            prometheusSpec:
+              retention: 15d
+          alertmanager:
+            alertmanagerSpec:
+              retention: 120h
+          kubeEtcd:
+            enabled: false
+          kubeScheduler:
+            enabled: false
+          kubeControllerManager:
+            enabled: false
+          grafana:
+            defaultDashboardsTimezone: browser
+            additionalDataSources:
+              - name: Loki
+                type: loki
+                uid: loki
+                access: proxy
+                url: http://loki-stack.monitoring.svc.cluster.local:3100
+                isDefault: false
+                editable: true
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true

clusters/noble/apps/monitoring-loki/application.yaml

@@ -0,0 +1,40 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: monitoring-loki
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "1"
+spec:
+  project: default
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+  sources:
+    - repoURL: https://grafana.github.io/helm-charts
+      chart: loki-stack
+      helm:
+        valuesObject:
+          loki:
+            enabled: true
+            persistence:
+              enabled: true
+              size: 20Gi
+          promtail:
+            enabled: true
+          grafana:
+            enabled: false
+          prometheus:
+            enabled: false
+          filebeat:
+            enabled: false
+          fluent-bit:
+            enabled: false
+          logstash:
+            enabled: false
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true