feat: migrate observability stack to flux gitops

infrastructure/addons/observability/helmrelease-kube-prometheus-stack.yaml

@@ -0,0 +1,63 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: kube-prometheus-stack
+  namespace: flux-system
+spec:
+  interval: 10m
+  targetNamespace: observability
+  chart:
+    spec:
+      chart: kube-prometheus-stack
+      version: 68.4.4
+      sourceRef:
+        kind: HelmRepository
+        name: prometheus-community
+        namespace: flux-system
+  install:
+    createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
+  values:
+    grafana:
+      enabled: true
+      persistence:
+        enabled: true
+        storageClassName: local-path
+        size: 5Gi
+      service:
+        type: ClusterIP
+      sidecar:
+        datasources:
+          enabled: true
+          label: grafana_datasource
+          searchNamespace: observability
+        dashboards:
+          enabled: true
+          label: grafana_dashboard
+          searchNamespace: observability
+    prometheus:
+      service:
+        type: ClusterIP
+      prometheusSpec:
+        retention: 7d
+        storageSpec:
+          volumeClaimTemplate:
+            spec:
+              storageClassName: local-path
+              accessModes:
+                - ReadWriteOnce
+              resources:
+                requests:
+                  storage: 10Gi
+    alertmanager:
+      enabled: false
+    kubeEtcd:
+      enabled: false
+    kubeControllerManager:
+      enabled: false
+    kubeScheduler:
+      enabled: false

infrastructure/addons/observability/helmrelease-loki.yaml

@@ -0,0 +1,93 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: loki
+  namespace: flux-system
+spec:
+  interval: 10m
+  targetNamespace: observability
+  chart:
+    spec:
+      chart: loki
+      version: 6.10.0
+      sourceRef:
+        kind: HelmRepository
+        name: grafana
+        namespace: flux-system
+  install:
+    createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
+  values:
+    deploymentMode: SingleBinary
+    loki:
+      auth_enabled: false
+      commonConfig:
+        replication_factor: 1
+      schemaConfig:
+        configs:
+          - from: "2024-04-01"
+            store: tsdb
+            object_store: filesystem
+            schema: v13
+            index:
+              prefix: loki_index_
+              period: 24h
+      storage:
+        type: filesystem
+      limits_config:
+        allow_structured_metadata: true
+        volume_enabled: true
+        retention_period: 168h
+      pattern_ingester:
+        enabled: true
+      ruler:
+        enable_api: true
+    singleBinary:
+      replicas: 1
+      persistence:
+        size: 10Gi
+        storageClass: local-path
+      resources:
+        requests:
+          cpu: 100m
+          memory: 256Mi
+        limits:
+          cpu: 500m
+          memory: 1Gi
+    backend:
+      replicas: 0
+    read:
+      replicas: 0
+    write:
+      replicas: 0
+    ingester:
+      replicas: 0
+    querier:
+      replicas: 0
+    queryFrontend:
+      replicas: 0
+    queryScheduler:
+      replicas: 0
+    distributor:
+      replicas: 0
+    compactor:
+      replicas: 0
+    indexGateway:
+      replicas: 0
+    bloomCompactor:
+      replicas: 0
+    bloomGateway:
+      replicas: 0
+    gateway:
+      enabled: false
+    test:
+      enabled: false
+    monitoring:
+      selfMonitoring:
+        enabled: false
+      lokiCanary:
+        enabled: false

infrastructure/addons/observability/helmrelease-promtail.yaml

@@ -0,0 +1,27 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: promtail
+  namespace: flux-system
+spec:
+  interval: 10m
+  targetNamespace: observability
+  chart:
+    spec:
+      chart: promtail
+      version: 6.16.6
+      sourceRef:
+        kind: HelmRepository
+        name: grafana
+        namespace: flux-system
+  install:
+    createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
+  values:
+    config:
+      clients:
+        - url: http://loki.observability.svc.cluster.local:3100/loki/api/v1/push

infrastructure/addons/observability/helmrepository-grafana.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: grafana
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://grafana.github.io/helm-charts

infrastructure/addons/observability/helmrepository-prometheus-community.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: prometheus-community
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://prometheus-community.github.io/helm-charts

infrastructure/addons/observability/kustomization.yaml

@@ -0,0 +1,9 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - helmrepository-prometheus-community.yaml
+  - helmrepository-grafana.yaml
+  - helmrelease-kube-prometheus-stack.yaml
+  - helmrelease-loki.yaml
+  - helmrelease-promtail.yaml

infrastructure/addons/observability/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: observability