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[stable/nextcloud] Add prometheus metrics exporter (#22876)
* [stable/nextcloud] Add prometheus metrics exporter Signed-off-by: Tom Koch <tomaaronkoch@gmail.com> * [stable/nextcloud] Add new line at end of values.yaml Signed-off-by: Tom Koch <tomaaronkoch@gmail.com> * [stable/nextcloud] Use specific metrics img-tag, add service for metrics Signed-off-by: Tom Koch <tomaaronkoch@gmail.com> * [stable/nextcloud] Add docu for metrics, add annotations to metrics service Signed-off-by: Tom Koch <tomaaronkoch@gmail.com>
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Tom
@@ -1,6 +1,6 @@
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apiVersion: v1
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name: nextcloud
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version: 1.11.0
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version: 1.12.0
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appVersion: 17.0.0
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description: A file sharing server that puts the control and security of your own data back into your hands.
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keywords:
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@@ -150,6 +150,19 @@ The following table lists the configurable parameters of the nextcloud chart and
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| `hpa.maxPods` | Max. pods for the Nextcloud HorizontalPodAutoscaler | `10` |
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| `deploymentAnnotations` | Annotations to be added at 'deployment' level | not set |
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| `podAnnotations` | Annotations to be added at 'pod' level | not set |
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| `metrics.enabled` | Start Prometheus metrics exporter | `false` |
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| `metrics.https` | Defines if https is used to connect to nextcloud | `false` (uses http) |
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| `metrics.timeout` | When the scrape times out | `5s` |
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| `metrics.image.repository` | Nextcloud metrics exporter image name | `xperimental/nextcloud-exporter` |
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| `metrics.image.tag` | Nextcloud metrics exporter image tag | `v0.3.0` |
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| `metrics.image.pullPolicy` | Nextcloud metrics exporter image pull policy | `IfNotPresent` |
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| `metrics.podAnnotations` | Additional annotations for metrics exporter | not set |
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| `metrics.podLabels` | Additional labels for metrics exporter | not set |
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| `metrics.service.type` | Metrics: Kubernetes Service type | `ClusterIP` |
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| `metrics.service.loadBalancerIP` | Metrics: LoadBalancerIp for service type LoadBalancer | `nil` |
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| `metrics.service.nodePort` | Metrics: NodePort for service type NodePort | `nil` |
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| `metrics.service.annotations` | Additional annotations for service metrics exporter | `{prometheus.io/scrape: "true", prometheus.io/port: "9205"}` |
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| `metrics.service.labels` | Additional labels for service metrics exporter | `{}` |
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> **Note**:
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>
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@@ -0,0 +1,54 @@
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{{- if .Values.metrics.enabled }}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ template "nextcloud.fullname" . }}-metrics
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labels:
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app.kubernetes.io/name: {{ include "nextcloud.name" . }}
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helm.sh/chart: {{ include "nextcloud.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/component: metrics
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spec:
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replicas: {{ .Values.metrics.replicaCount }}
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selector:
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matchLabels:
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app.kubernetes.io/name: {{ include "nextcloud.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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template:
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metadata:
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annotations: {{- toYaml .Values.metrics.podAnnotations | nindent 8 }}
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labels:
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app.kubernetes.io/name: {{ include "nextcloud.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/component: metrics
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{{- if .Values.metrics.podLabels }}
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{{ toYaml .Values.metrics.podLabels | indent 8 }}
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{{- end }}
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spec:
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containers:
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- name: metrics-exporter
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image: "{{ .Values.metrics.image.repository }}:{{ .Values.metrics.image.tag }}"
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imagePullPolicy: {{ .Values.metrics.image.pullPolicy }}
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env:
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- name: NEXTCLOUD_USERNAME
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valueFrom:
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secretKeyRef:
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name: {{ template "nextcloud.fullname" . }}
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key: nextcloud-username
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- name: NEXTCLOUD_PASSWORD
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valueFrom:
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secretKeyRef:
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name: {{ template "nextcloud.fullname" . }}
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key: nextcloud-password
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- name: NEXTCLOUD_SERVER
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value: http{{ if .Values.metrics.https }}s{{ end }}://{{ .Values.nextcloud.host }}
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- name: NEXTCLOUD_TIMEOUT
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value: {{ .Values.metrics.timeout }}
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ports:
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- name: metrics
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containerPort: 9205
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{{- if .Values.metrics.resources }}
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resources: {{- toYaml .Values.metrics.resources | nindent 10 }}
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{{- end }}
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{{- end }}
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@@ -0,0 +1,31 @@
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{{- if .Values.metrics.enabled }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ template "nextcloud.fullname" . }}-metrics
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labels:
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labels:
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app.kubernetes.io/name: {{ include "nextcloud.name" . }}
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helm.sh/chart: {{ include "nextcloud.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- if .Values.metrics.service.labels -}}
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{{ toYaml .Values.metrics.service.labels | nindent 4 }}
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{{- end -}}
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{{- if .Values.metrics.service.annotations }}
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annotations: {{ toYaml .Values.metrics.service.annotations | nindent 4 }}
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{{- end }}
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spec:
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type: {{ .Values.metrics.service.type }}
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{{ if eq .Values.metrics.service.type "LoadBalancer" -}} {{ if .Values.metrics.service.loadBalancerIP }}
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loadBalancerIP: {{ .Values.metrics.service.loadBalancerIP }}
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{{ end -}}
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{{- end -}}
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ports:
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- name: metrics
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port: 9205
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targetPort: metrics
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selector:
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app.kubernetes.io/name: {{ include "nextcloud.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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@@ -345,3 +345,39 @@ nodeSelector: {}
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tolerations: []
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affinity: {}
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## Prometheus Exporter / Metrics
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##
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metrics:
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enabled: false
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replicaCount: 1
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# The metrics exporter needs to know how you serve Nextcloud either http or https
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https: false
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timeout: 5s
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image:
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repository: xperimental/nextcloud-exporter
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tag: v0.3.0
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pullPolicy: IfNotPresent
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## Metrics exporter resource requests and limits
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## ref: http://kubernetes.io/docs/user-guide/compute-resources/
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##
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# resources: {}
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## Metrics exporter pod Annotation and Labels
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# podAnnotations: {}
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# podLabels: {}
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service:
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type: ClusterIP
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## Use serviceLoadBalancerIP to request a specific static IP,
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## otherwise leave blank
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# loadBalancerIP:
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annotations:
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prometheus.io/scrape: "true"
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prometheus.io/port: "9205"
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labels: {}
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