feat(prometheus): thanos sidecar option added

!2 #1

templates/Prometheus-prometheus.yaml

@@ -51,4 +51,11 @@ spec:
   serviceMonitorSelector: {}
   storage:
     {{- toYaml .Values.nfc_monitoring.prometheus.affinity | nindent 4 }}
+  {{ if .Values.nfc_monitoring.thanos.sidecar.enabled }}
+  thanos:
+    image: "{{ .Values.nfc_monitoring.thanos.image.name }}:{{ .Values.nfc_monitoring.thanos.image.tag }}"
+    objectStorageConfig:
+      key: thanos.yaml
+      name: thanos-sidecar-config
+  {{ end }}
   version: 2.42.0

templates/Secret-prometheus-sidecar-thanos.yaml

@@ -0,0 +1,13 @@
+{{ if .Values.nfc_monitoring.thanos.sidecar.enabled }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: thanos-sidecar-config
+  namespace: monitoring
+type: Opaque
+stringData:
+  thanos.yaml: |-
+    {{ toYaml .Values.nfc_monitoring.thanos.sidecar.config | nindent 4 }}
+
+{{ end }}

templates/Service-prometheus.yaml

@@ -25,3 +25,35 @@ spec:
     app.kubernetes.io/name: prometheus
     app.kubernetes.io/part-of: {{ $.Chart.Name }}
   sessionAffinity: ClientIP
+
+{{ if .Values.nfc_monitoring.thanos.sidecar.enabled }}
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: prometheus-sidecar
+    app.kubernetes.io/instance: k8s
+    app.kubernetes.io/name: thanos-sidecar
+    app.kubernetes.io/part-of: {{ $.Chart.Name }}
+    app.kubernetes.io/managed-by: {{ $.Release.Service }}
+    app.kubernetes.io/version: {{ $.Chart.Version }}
+  name: thanos-sidecar
+  namespace: {{ .Values.nfc_monitoring.prometheus.namespace }}
+spec:
+  clusterIP: None
+  ports:
+  - name: grpc
+    port: 10901
+    targetPort: 10901
+  - name: http
+    port: 10902
+    targetPort: 10902
+  selector:
+    app.kubernetes.io/component: prometheus
+    app.kubernetes.io/instance: k8s
+    app.kubernetes.io/name: prometheus
+    app.kubernetes.io/part-of: {{ $.Chart.Name }}
+
+{{ end }}

templates/ServiceMonitor-prometheus.yaml

@@ -29,3 +29,34 @@ spec:
       app.kubernetes.io/instance: k8s
       app.kubernetes.io/name: prometheus
       app.kubernetes.io/part-of: {{ $.Chart.Name }}
+
+{{ if .Values.nfc_monitoring.thanos.sidecar.enabled }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    app.kubernetes.io/component: prometheus-sidecar
+    app.kubernetes.io/instance: thanos-sidecar
+    app.kubernetes.io/name: thanos-sidecar
+    app.kubernetes.io/version: v0.30.2
+  name: thanos-sidecar
+  namespace: {{ .Values.nfc_monitoring.prometheus.namespace }}
+spec:
+  endpoints:
+  - port: http
+    relabelings:
+    - action: replace
+      separator: /
+      sourceLabels:
+      - namespace
+      - pod
+      targetLabel: instance
+  selector:
+    matchLabels:
+      app.kubernetes.io/component: prometheus-sidecar
+      app.kubernetes.io/instance: k8s
+      app.kubernetes.io/name: thanos-sidecar
+      app.kubernetes.io/part-of: {{ $.Chart.Name }}
+
+{{ end }}