add grafana

apps/system/grafana/.gitignore

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+requirements.lock
+charts/

apps/system/grafana/Chart.yaml

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+name: grafana

apps/system/grafana/requirements.yaml

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+dependencies:
+- name: grafana
+  version: 4.0.3
+  repository: '@stable'

apps/system/grafana/values.yaml

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+grafana:
+  # secret grafana should be created manually
+  # it should contain:
+  #   admin-user
+  #   admin-password
+  #   GF_AUTH_GITHUB_CLIENT_SECRET
+  admin:
+    existingSecret: grafana
+  envFromSecret: grafana
+  ingress:
+    enabled: true
+    annotations:
+      certmanager.k8s.io/cluster-issuer: letsencrypt
+    hosts:
+    - grafana.gorilych.ru
+    tls:
+    - hosts:
+      - grafana.gorilych.ru
+    secretName: grafana-tls
+  grafana.ini:
+    server:
+      root_url: https://grafana.gorilych.ru
+    auth.github:
+      enabled: true
+      allow_sign_up: false
+      client_id: 6494b9ed39a915d9ac20
+      # client_secret: in grafana secret
+      scopes: user:email,read:org
+      auth_url: https://github.com/login/oauth/authorize
+      token_url: https://github.com/login/oauth/access_token
+      api_url: https://api.github.com/user

main/templates/grafana.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: grafana
+  namespace: argocd
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+spec:
+  destination:
+    namespace: grafana
+    server: https://kubernetes.default.svc 
+  project: default
+  source:
+    path: apps/system/grafana
+    repoURL: git@github.com:gorilych/gf-k8s
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true

main/templates/namespace-grafana.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: grafana