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Google Cloud Identity

Google Identity Authentication with Dex connector require Terrakube >= 2.6.0 and Helm Chart >= 2.0.0
Requirements
Google Cloud Identity here​
Gooble Storage Bucket
For this example lets image that you will be using the following domains to deploy Terrakube.
registry.terrakube.gcp.com
ui.terrakube.gcp.com
api.terrakube.gcp.com
Setup Google Authentication
You need to complete the Google authentication setup for Dex. You can found information in this link​
You need to go to your GCP projet and create a new OAuth Application you can follow this steps: firts select "APIs & Services => Credentials"
Once inside the "Credentials" page, you will have to create a new OAuth Client
The OAuth application should look like this with the redirect URL "https://api.terrakube.gcp.com/dex/callback"
For Google authentication we need to get the GCP groups so you need to complete this setup.
Include the Domain Wide Delegation inside the admin consol https://admin.google.com/ for the OAuth application
Using the following permission "https://www.googleapis.com/auth/admin.directory.group.readonly"
You can now generate the JSON credentials file for your application, you will use this file later in the helm chart.
Now you can create the DEX configuration, you will use this config later when deploying the helm chart.
## Dex
dex:
  enabled: true
  config:
    issuer: https://api.terrakube.gcp.com/dex #<<CHANGE_THIS>>
    storage:
      type: memory
    oauth2:
      responseTypes: ["code", "token", "id_token"]
    web:
      allowedOrigins: ["*"]
​
    staticClients:
    - id: google
      redirectURIs:
      - 'https://ui.terrakube.gcp.com' #<<CHANGE_THIS>>
      - 'http://localhost:3000'
      - 'http://localhost:10001/login'
      - 'http://localhost:10000/login'
      - '/device/callback'
      name: 'google'
      public: true
​
    connectors:
    - type: google
      id: google
      name: google
      config:
        clientID: "<<CHANGE_THIS>>"
        clientSecret: "<<CHANGE_THIS>>"
        redirectURI: "https://api.terrakube.gcp.com/dex/callback"
        serviceAccountFilePath: "/etc/gcp/secret/gcp-credentials" # GCP CREDENTIAL FILE WILL BE IN THIS PATH
        adminEmail: "<<CHANGE_THIS>>"
The firt step is to clone the repository.
git clone https://github.com/AzBuilder/terrakube-helm-chart.git
Replace <<CHANGE_THIS>> with the real values, create the values.yaml file and run the helm install
## Global Name
name: "terrakube"
​
## Terrakube Security
security:
  adminGroup: "<<CHANGE_THIS>>" # The value should be a gcp group (format: [email protected] example: [email protected])
  patSecret: "<<CHANGE_THIS>>"  # Sample Key 32 characters z6QHX!y@Nep2QDT!53vgH43^PjRXyC3X 
  internalSecret: "<<CHANGE_THIS>>" # Sample Key 32 characters Kb^8cMerPNZV6hS!9!kcD*KuUPUBa^B3 
  dexClientId: "google"
  dexClientScope: "email openid profile offline_access groups"
  gcpCredentials: |
    ## GCP JSON CREDENTIALS for service account with API Scope https://www.googleapis.com/auth/admin.directory.group.readonly
    {
      "type": "service_account",
      "project_id": "",
      "private_key_id": "",
      "private_key": "",
      "client_email": "",
      "client_id": "",
      "auth_uri": "",
      "token_uri": "",
      "auth_provider_x509_cert_url": "",
      "client_x509_cert_url": ""
    } 
​
​
## Terraform Storage
storage:
  gcp:
    projectId: "<<CHANGE_THIS>>"
    bucketName: "<<CHANGE_THIS>>"
    credentials: |
      ## GCP JSON CREDENTIALS for service account with access to write to the storage bucket
      {
        "type": "service_account",
        "project_id": "",
        "private_key_id": "",
        "private_key": "",
        "client_email": "",
        "client_id": "",
        "auth_uri": "",
        "token_uri": "",
        "auth_provider_x509_cert_url": "",
        "client_x509_cert_url": ""
      } 
​
## Dex
dex:
  enabled: true
  config:
    issuer: https://api.terrakube.gcp.com/dex #<<CHANGE_THIS>>
    storage:
      type: memory
    oauth2:
      responseTypes: ["code", "token", "id_token"]
    web:
      allowedOrigins: ["*"]
​
    staticClients:
    - id: google
      redirectURIs:
      - 'https://ui.terrakube.gcp.com' #<<CHANGE_THIS>>
      - 'http://localhost:3000'
      - 'http://localhost:10001/login'
      - 'http://localhost:10000/login'
      - '/device/callback'
      name: 'google'
      public: true
​
    connectors:
    - type: google
      id: google
      name: google
      config:
        clientID: "<<CHANGE_THIS>>"
        clientSecret: "<<CHANGE_THIS>>"
        redirectURI: "https://api.terrakube.gcp.com/dex/callback"
        serviceAccountFilePath: "/etc/gcp/secret/gcp-credentials" # GCP CREDENTIAL FILE WILL BE IN THIS PATH
        adminEmail: "<<CHANGE_THIS>>" 
​
## API properties
api:
  enabled: true
  replicaCount: "1"
  serviceType: "ClusterIP"
  properties:
    databaseType: "H2"
​
## Executor properties
executor:
  enabled: true  
  replicaCount: "1"
  serviceType: "ClusterIP"
  properties:
    toolsRepository: "https://github.com/AzBuilder/terrakube-extensions"
    toolsBranch: "main"
​
## Registry properties
registry:
  enabled: true
  replicaCount: "1"
  serviceType: "ClusterIP"
​
## UI Properties
ui:
  enabled: true
  replicaCount: "1"
  serviceType: "ClusterIP"
​
## Ingress properties
ingress:
  useTls: true
  ui:
    enabled: true
    domain: "terrakube-ui.yourdomain.com"
    path: "/(.*)"
    pathType: "Prefix" 
    annotations:
      kubernetes.io/ingress.class: nginx
      nginx.ingress.kubernetes.io/use-regex: "true"
      cert-manager.io/cluster-issuer: letsencrypt
  api:
    enabled: true
    domain: "terrakube-api.yourdomain.com"
    path: "/(.*)"
    pathType: "Prefix"
    annotations:
      kubernetes.io/ingress.class: nginx
      nginx.ingress.kubernetes.io/use-regex: "true"
      nginx.ingress.kubernetes.io/configuration-snippet: "proxy_set_header Authorization $http_authorization;"
      cert-manager.io/cluster-issuer: letsencrypt
  registry:
    enabled: true
    domain: "terrakube-reg.yourdomain.com"
    path: "/(.*)"
    pathType: "Prefix"
    annotations:
      kubernetes.io/ingress.class: nginx
      nginx.ingress.kubernetes.io/use-regex: "true"
      nginx.ingress.kubernetes.io/configuration-snippet: "proxy_set_header Authorization $http_authorization;"
      cert-manager.io/cluster-issuer: letsencrypt
  dex:
    enabled: true
    path: "/dex/(.*)"
    pathType: "Prefix"
    annotations:
      kubernetes.io/ingress.class: nginx
      nginx.ingress.kubernetes.io/use-regex: "true"
      nginx.ingress.kubernetes.io/configuration-snippet: "proxy_set_header Authorization $http_authorization;"
      cert-manager.io/cluster-issuer: letsencrypt
Run the installation
helm install --debug --values ./values.yaml terrakube ./terrakube-helm-chart/ -n terrakube
For any question or feedback please open an issue in our helm chart repository​
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Last modified 1mo ago