feat(metrics): ceph service monitor

to enable use feature flag in values

!1

templates/ServiceMonitor-ceph.yaml

@@ -0,0 +1,39 @@
+---
+{{- if .Values.nfc_monitoring.additions.ceph.enabled | default false -}}
+
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    app.kubernetes.io/name: ceph
+    app.kubernetes.io/component: storage
+    app.kubernetes.io/part-of: {{ $.Chart.Name }}
+    app.kubernetes.io/version: {{ $.Chart.Version }}
+    app.kubernetes.io/managed-by: {{ $.Release.Service }}
+  name: ceph
+  namespace: "{{ .Values.nfc_monitoring.additions.ceph.namespace }}"
+spec:
+  endpoints:
+  - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+    interval: 15s
+    port: http-metrics
+    relabelings:
+    - action: replace
+      regex: (.*)
+      replacement: $1
+      sourceLabels:
+      - __meta_kubernetes_pod_node_name
+      targetLabel: instance
+    - sourceLabels:
+      - __metrics_path__
+      targetLabel: metrics_path
+    - targetLabel: "job"
+      replacement: "ceph"
+    scheme: http
+  targetLabels:
+    - cluster
+  selector: 
+{{ .Values.nfc_monitoring.additions.ceph.ServiceMonitor.selector | toYaml | indent 4 }}
+
+
+{{- end -}}

values.yaml

@@ -74,6 +74,21 @@ nfc_monitoring:
       tag: 'v0.11.1'
     namespace: monitoring
 
+  
+  additions:
+
+    ceph:
+
+      enabled: true
+
+      namespace: ceph
+
+      ServiceMonitor:
+
+        selector:
+          matchLabels:
+            app: rook-ceph-mgr
+
 
 loki_instance:
   image: