linkerd2/charts/add-ons/grafana/templates/grafana.yaml

---
###
### Grafana
###
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: linkerd-grafana-config
  namespace: {{.Values.global.namespace}}
  labels:
    {{.Values.global.controllerComponentLabel}}: grafana
    {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
  annotations:
    {{.Values.global.createdByAnnotation}}: {{default (printf "linkerd/helm %s" .Values.global.linkerdVersion) .Values.global.cliVersion}}
data:
  grafana.ini: |-
    instance_name = linkerd-grafana

    [server]
    root_url = %(protocol)s://%(domain)s:/grafana/

    [auth]
    disable_login_form = true

    [auth.anonymous]
    enabled = true
    org_role = Editor

    [auth.basic]
    enabled = false

    [analytics]
    check_for_updates = false

    [panels]
    disable_sanitize_html = true    

  datasources.yaml: |-
    apiVersion: 1
    datasources:
    - name: prometheus
      type: prometheus
      access: proxy
      orgId: 1
      {{- if .Values.global.prometheusUrl }}
      url: {{.Values.global.prometheusUrl}}
      {{- else }}
      url: http://linkerd-prometheus.{{.Values.global.namespace}}.svc.{{.Values.global.clusterDomain}}:9090
      {{- end }}
      isDefault: true
      jsonData:
        timeInterval: "5s"
      version: 1
      editable: true    

  dashboards.yaml: |-
    apiVersion: 1
    providers:
    - name: 'default'
      orgId: 1
      folder: ''
      type: file
      disableDeletion: true
      editable: true
      options:
        path: /var/lib/grafana/dashboards
        homeDashboardId: linkerd-top-line    
---
kind: Service
apiVersion: v1
metadata:
  name: linkerd-grafana
  namespace: {{.Values.global.namespace}}
  labels:
    {{.Values.global.controllerComponentLabel}}: grafana
    {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
  annotations:
    {{.Values.global.createdByAnnotation}}: {{default (printf "linkerd/helm %s" .Values.global.linkerdVersion) .Values.global.cliVersion}}
spec:
  type: ClusterIP
  selector:
    {{.Values.global.controllerComponentLabel}}: grafana
  ports:
  - name: http
    port: 3000
    targetPort: 3000
---
{{- $tree := deepCopy . }}
{{ $_ := set $tree.Values.global.proxy "workloadKind" "deployment" -}}
{{ $_ := set $tree.Values.global.proxy "component" "linkerd-grafana" -}}
{{ include "linkerd.proxy.validation" .Values.global.proxy -}}
apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    {{.Values.global.createdByAnnotation}}: {{default (printf "linkerd/helm %s" .Values.global.linkerdVersion) .Values.global.cliVersion}}
  labels:
    app.kubernetes.io/name: grafana
    app.kubernetes.io/part-of: Linkerd
    app.kubernetes.io/version: {{default .Values.global.linkerdVersion .Values.global.controllerImageVersion}}
    {{.Values.global.controllerComponentLabel}}: grafana
    {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
  name: linkerd-grafana
  namespace: {{.Values.global.namespace}}
spec:
  replicas: 1
  selector:
    matchLabels:
      {{.Values.global.controllerComponentLabel}}: grafana
      {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
      {{- include "partials.proxy.labels" $tree.Values.global.proxy | nindent 6}}
  template:
    metadata:
      annotations:
        {{.Values.global.createdByAnnotation}}: {{default (printf "linkerd/helm %s" .Values.global.linkerdVersion) .Values.global.cliVersion}}
        {{- include "partials.proxy.annotations" .Values.global.proxy| nindent 8 }}
        {{- with .Values.global.podAnnotations }}{{ toYaml . | trim | nindent 8 }}{{- end }}
      labels:
        {{.Values.global.controllerComponentLabel}}: grafana
        {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
        {{.Values.global.workloadNamespaceLabel}}: {{.Values.global.namespace}}
        {{- include "partials.proxy.labels" $tree.Values.global.proxy | nindent 8 }}
        {{- with .Values.global.podLabels }}{{ toYaml . | trim | nindent 8 }}{{- end }}
    spec:
      {{- if .Values.tolerations -}}
      {{- include "linkerd.tolerations" . | nindent 6 }}
      {{- end -}}
      {{- include "linkerd.node-selector" . | nindent 6 }}
      containers:
      - env:
        - name: GF_PATHS_DATA
          value: /data
        # Force using the go-based DNS resolver instead of the OS' to avoid failures in some environments
        # see https://github.com/grafana/grafana/issues/20096
        - name: GODEBUG
          value: netdns=go
        image: {{.Values.image.name}}:{{ default (default .Values.global.linkerdVersion .Values.global.controllerImageVersion) .Values.image.tag}}
        imagePullPolicy: {{.Values.global.imagePullPolicy}}
        livenessProbe:
          httpGet:
            path: /api/health
            port: 3000
          initialDelaySeconds: 30
        name: grafana
        ports:
        - containerPort: 3000
          name: http
        readinessProbe:
          httpGet:
            path: /api/health
            port: 3000
        {{- if .Values.resources -}}
        {{- include "partials.resources" .Values.resources | nindent 8 }}
        {{- end }}
        securityContext:
          runAsUser: 472
        volumeMounts:
        - mountPath: /data
          name: data
        - mountPath: /etc/grafana
          name: grafana-config
          readOnly: true
      {{- if not (empty .Values.proxy) }}
      {{- if not (empty .Values.proxy.resources) }}
      {{- $r := merge .Values.proxy.resources .Values.global.proxy.resources }}
      {{- $_ := set $tree.Values.global.proxy "resources" $r }}
      {{- end }}
      {{- end }}
      {{- include "partials.setControlPlaneTracing.proxy" $tree }}
      - {{- include "partials.proxy" $tree | indent 8 | trimPrefix (repeat 7 " ") }}
      {{ if not .Values.global.cniEnabled -}}
      initContainers:
      - {{- include "partials.proxy-init" . | indent 8 | trimPrefix (repeat 7 " ") }}
      {{ end -}}
      serviceAccountName: linkerd-grafana
      volumes:
      - emptyDir: {}
        name: data
      - configMap:
          items:
          - key: grafana.ini
            path: grafana.ini
          - key: datasources.yaml
            path: provisioning/datasources/datasources.yaml
          - key: dashboards.yaml
            path: provisioning/dashboards/dashboards.yaml
          name: linkerd-grafana-config
        name: grafana-config
      {{ if .Values.global.controlPlaneTracing -}}
      - {{- include "partials.proxy.volumes.labels" . | indent 8 | trimPrefix (repeat 7 " ") }}
      {{ end -}}
      {{ if not .Values.global.cniEnabled -}}
      - {{- include "partials.proxyInit.volumes.xtables" . | indent 8 | trimPrefix (repeat 7 " ") }}
      {{ end -}}
      - {{- include "partials.proxy.volumes.identity" . | indent 8 | trimPrefix (repeat 7 " ") }}