add clusters/monitor observability-agent config

clusters/monitor/helmrepo.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1beta2
+kind: HelmRepository
+metadata:
+  name: stable
+  namespace: monitoring
+spec:
+  interval: 1m
+  url: https://charts.onwalk.net/

clusters/monitor/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: monitoring
+resources:
+  - namespace.yaml
+  - helmrepo.yaml
+  - observability-agent.yaml

clusters/monitor/namespace.yaml

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

clusters/monitor/observability-agent.yaml

@@ -0,0 +1,36 @@
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: observabilityagent
+  namespace: monitoring
+spec:
+  chart:
+    spec:
+      chart: observabilityagent
+      version: "0.1.6"
+      sourceRef:
+        kind: HelmRepository
+        name: stable
+        namespace: monitoring
+  interval: 1m
+  values:
+    deepflow-agent:
+      enabled: false
+    prometheus:
+      enabled: true
+      server:
+        extraFlags:
+        - enable-feature=expand-external-labels
+        - web.enable-lifecycle
+        remoteWrite:
+        - name: remote_prometheus
+          url: 'https://prometheus.svc.plus/api/v1/write'
+      alertmanager:
+        enabled: false
+      rometheus-pushgateway:
+        enabled: false
+    promtail:
+      enabled: true
+      config:
+        clients:
+          - url: https://data-gateway.svc.plus/loki/api/v1/push