Merge pull request #690 from kinvolk/surajssd/add-linkerd2

component: Add linkerd

assets/charts/components/linkerd2/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+OWNERS
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

assets/charts/components/linkerd2/Chart.yaml

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+apiVersion: v1
+appVersion: stable-2.8.1
+description: Linkerd gives you observability, reliability, and security for your microservices
+  — with no code change required.
+home: https://linkerd.io
+icon: https://linkerd.io/images/logo-only-200h.png
+keywords:
+- service-mesh
+kubeVersion: '>=1.13.0-0'
+maintainers:
+- email: cncf-linkerd-dev@lists.cncf.io
+  name: Linkerd authors
+  url: https://linkerd.io/
+name: linkerd2
+sources:
+- https://github.com/linkerd/linkerd2/
+version: 2.8.1

assets/charts/components/linkerd2/charts/grafana/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

assets/charts/components/linkerd2/charts/grafana/Chart.yaml

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+apiVersion: v1
+appVersion: "1.0"
+description: A Helm chart for the grafana add-on in Linkerd
+maintainers:
+- email: cncf-linkerd-dev@lists.cncf.io
+  name: Linkerd authors
+  url: https://linkerd.io/
+name: grafana
+version: 0.1.0

assets/charts/components/linkerd2/charts/grafana/requirements.lock

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+dependencies:
+- name: partials
+  repository: file://../../partials
+  version: 0.1.0
+digest: sha256:2202cf6f3783f79e78414e7a94b651589f322f3724ab220f0ea3bf8f31954de4
+generated: "2020-05-01T17:24:16.918227568+05:30"

assets/charts/components/linkerd2/charts/grafana/requirements.yaml

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+dependencies:
+  - name: partials
+    version: 0.1.0
+    repository: file://../../partials

assets/charts/components/linkerd2/charts/grafana/templates/grafana-rbac.yaml

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+---
+###
+### Grafana RBAC
+###
+---
+kind: ServiceAccount
+apiVersion: v1
+metadata:
+  name: {{.Values.name}}
+  namespace: {{.Values.global.namespace}}
+  labels:
+    {{.Values.global.controllerComponentLabel}}: grafana
+    {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}

assets/charts/components/linkerd2/charts/grafana/templates/grafana.yaml

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+---
+###
+### Grafana
+###
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: {{.Values.name}}-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 = {{.Values.name}}
+
+    [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
+      url: http://linkerd-prometheus.{{.Values.global.namespace}}.svc.{{.Values.global.clusterDomain}}:9090
+      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: {{.Values.name}}
+  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
+---
+{{ $_ := set .Values.global.proxy "workloadKind" "deployment" -}}
+{{ $_ := set .Values.global.proxy "component" .Values.name -}}
+{{ 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: {{.Values.name}}
+  namespace: {{.Values.global.namespace}}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{.Values.global.controllerComponentLabel}}: grafana
+      {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
+      {{- include "partials.proxy.labels" .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}}
+      labels:
+        {{.Values.global.controllerComponentLabel}}: grafana
+        {{.Values.global.controllerNamespaceLabel}}: {{.Values.global.namespace}}
+        {{.Values.global.workloadNamespaceLabel}}: {{.Values.global.namespace}}
+        {{- include "partials.proxy.labels" .Values.global.proxy | nindent 8}}
+    spec:
+      {{- 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 .Values.global.linkerdVersion .Values.global.controllerImageVersion}}
+        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
+      - {{- include "partials.proxy" . | indent 8 | trimPrefix (repeat 7 " ") }}
+      {{ if not .Values.global.cniEnabled -}}
+      initContainers:
+      - {{- include "partials.proxy-init" . | indent 8 | trimPrefix (repeat 7 " ") }}
+      {{ end -}}
+      serviceAccountName: {{.Values.name}}
+      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: {{.Values.name}}-config
+        name: grafana-config
+      {{ if .Values.global.controlPlaneTracing -}}
+      - {{- include "partials.proxy.volumes.labels" . | indent 8 | trimPrefix (repeat 7 " ") }}
+      {{ end -}}
+      - {{- include "partials.proxy.volumes.identity" . | indent 8 | trimPrefix (repeat 7 " ") }}

assets/charts/components/linkerd2/charts/partials/.helmignore

@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

assets/charts/components/linkerd2/charts/partials/Chart.yaml

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+apiVersion: v1
+description: A Helm chart containing Linkerd partial templates, depended by the 'linkerd'
+  and 'patch' charts.
+name: partials
+version: 0.1.0

assets/charts/components/linkerd2/charts/partials/templates/_addons.tpl

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+{- /*
+  This function does the following functions for add-on fields:
+
+  - when an add-on is enabled, it removes the `partials` and `global` sub-fields which are automatically added
+    by helm to pass configuration to sub-charts, and returns the add-on fields.
+
+  - When the add-on is disabled, only the `enabled` flag is returned as we don't need to store the other configuration.
+*/ -}}
+{{- define "linkerd.addons.sanitize-config" -}}
+{{- if .enabled -}}
+{{ $dup := omit . "global" "partials" }}
+{{- toYaml $dup | trim | nindent 6 }}
+{{- else }}
+      enabled: false
+{{- end -}}
+{{- end -}}

assets/charts/components/linkerd2/charts/partials/templates/_affinity.tpl

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+{{ define "linkerd.pod-affinity" -}}
+affinity:
+  podAntiAffinity:
+    preferredDuringSchedulingIgnoredDuringExecution:
+    - podAffinityTerm:
+        labelSelector:
+          matchExpressions:
+          - key: {{ .label }}
+            operator: In
+            values:
+            - {{ .component }}
+        topologyKey: failure-domain.beta.kubernetes.io/zone
+      weight: 100
+    requiredDuringSchedulingIgnoredDuringExecution:
+    - labelSelector:
+        matchExpressions:
+        - key: {{ .label }}
+          operator: In
+          values:
+          - {{ .component }}
+      topologyKey: kubernetes.io/hostname
+{{- end }}

assets/charts/components/linkerd2/charts/partials/templates/_capabilities.tpl

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+{{- define "partials.proxy.capabilities" -}}
+capabilities:
+  {{- if .Values.global.proxy.capabilities.add }}
+  add:
+  {{- toYaml .Values.global.proxy.capabilities.add | trim | nindent 4 }}
+  {{- end }}
+  {{- if .Values.global.proxy.capabilities.drop }}
+  drop:
+  {{- toYaml .Values.global.proxy.capabilities.drop | trim | nindent 4 }}
+  {{- end }}
+{{- end -}}
+
+{{- define "partials.proxy-init.capabilities.drop" -}}
+drop:
+{{ toYaml .Values.global.proxyInit.capabilities.drop | trim }}
+{{- end -}}

assets/charts/components/linkerd2/charts/partials/templates/_debug.tpl

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+{{- define "partials.debug" -}}
+image: {{.image.name}}:{{.image.version}}
+imagePullPolicy: {{.image.pullPolicy}}
+name: linkerd-debug
+terminationMessagePolicy: FallbackToLogsOnError
+{{- end -}}