Add ServiceMonitor Support

charts/cadvisor/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: A chart for a Cadvisor deployment
 name: cadvisor
-version: 1.0.1
+version: 1.1.0
 appVersion: 0.36.0
 home: https://github.com/google/cadvisor
 sources:

charts/cadvisor/README.md

@@ -42,7 +42,7 @@ The command removes all the Kubernetes components associated with the chart and
 The following table lists the configurable parameters of the Prometheus MSTeams chart and their default values.
 
 | Parameter                  | Description                                      | Default               |
-| -------------------------------------- | ------------------------------------------------- | ----------------------------- |
+| -------------------------- | ------------------------------------------------ | --------------------- |
 | `image.repository`         | container image repository                       | `k8s.gcr.io/cadvisor` |
 | `image.tag`                | container image tag                              | `v0.36.0`             |
 | `image.pullPolicy`         | container image pull policy                      | `IfNotPresent`        |
@@ -56,6 +56,7 @@ The following table lists the configurable parameters of the Prometheus MSTeams
 | `serviceAccount.create`    | create a own serviceAccount for the pod          | `true`                |
 | `serviceAccount.name`      | name of the serviceAccount to create             | `""`                  |
 | `podSecurityPolicy.create` | create a own PodSecurityPolicy for the pod       | `false`               |
+| `metrics.enabled`          | create ServiceMonitor CR for Prometheus operator | `false`               |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
 

charts/cadvisor/templates/servicemonitor.yaml

@@ -0,0 +1,22 @@
+{{- if .Values.metrics.enabled -}}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "cadvisor.name" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app: {{ template "cadvisor.name" . }}
+    chart: {{ template "cadvisor.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  selector:
+    matchLabels:
+      app: {{ template "cadvisor.name" . }}
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+  endpoints:
+    - path: /metrics
+      port: http
+{{- end -}}

charts/cadvisor/values.yaml

@@ -52,3 +52,8 @@ nodeSelector: {}
 tolerations: []
 
 affinity: {}
+
+# This will create a ServiceMonitor Custom Resource indicating the prometheus operator what to scrape.
+metrics:
+  enabled: false
+