Create cluster

app/controllers/projects/clusters_controller.rb

@@ -37,10 +37,11 @@ class Projects::ClustersController < Projects::ApplicationController
     if params['creation_type'] == 'on_gke'
       # Create a cluster on GKE
       results = api_client.projects_zones_clusters_create(
-        params['gcp_project_id'],
-        params['cluster_zone'],
-        params['cluster_name'],
-        params['cluster_size']
+        project_id: params['gcp_project_id'],
+        zone: params['cluster_zone'],
+        cluster_name: params['cluster_name'],
+        cluster_size: params['cluster_size'],
+        machine_type: params['machine_type']
       )
 
       # Update service
@@ -90,7 +91,15 @@ class Projects::ClustersController < Projects::ApplicationController
   def edit
     unless session[GoogleApi::CloudPlatform::Client.token_in_session]
       @authorize_url = api_client.authorize_url
+      render :edit
     end
+
+    # Get cluster information
+    api_client.projects_zones_clusters_get(
+      project_id: cluster.gcp_project_id,
+      zone: cluster.cluster_zone,
+      cluster_id: cluster.cluster_name
+    )
   end
 
   def update

app/views/projects/clusters/_form.html.haml

+Create a new cluster
+%br
+Avaiable GCP project lists
+%br
+Avaiable zones
+%br
+= link_to "Create on Google Container Engine", namespace_project_clusters_path(@project.namespace, @project, creation_type: 'on_gke', cluster_name: 'gke-test-creation', gcp_project_id: 'gitlab-internal-153318', cluster_zone: 'us-central1-a', cluster_size: '1', project_namespace: 'aaa', machine_type: '???'), method: :post
+%br
+= link_to "Use existing kubernets cluster", namespace_project_clusters_path(@project.namespace, @project, creation_type: 'manual', end_point: 'xxx.xxx.xxx.xxx', ca_cert: 'xxx...xxx', token: 'xxx', project_namespace: 'aaa'), method: :post

app/views/projects/clusters/_login.html.haml

+Login
+%p= link_to("authenticate from here", @authorize_url)

app/views/projects/clusters/edit.html.haml

 edit/show cluster
-= @cluster.inspect
+
+- if @authorize_url
+  = render "login"
+- else
+  = @cluster.inspect
\ No newline at end of file

app/views/projects/clusters/new.html.haml

-Create a new cluster
-
-%br
-
 - if @authorize_url
-  I have not authenticated yet. I can authenticate from
-  = link_to("authenticate from here", @authorize_url)
+  = render "login"
 - else
-  I have already authenticated.
-  %br
-  Avaiable GCP project lists
-  %br
-  Avaiable zones
-  %br
-  = link_to "Create on Google Container Engine", namespace_project_clusters_path(@project.namespace, @project, creation_type: 'on_gke', cluster_name: 'new-cluster-shinya', gcp_project_id: 'gitlab-internal', cluster_zone: 'gitlab-internal', cluster_size: 'gitlab-internal', project_namespace: 'aaa'), method: :post
-  %br
-  = link_to "Use existing kubernets cluster", namespace_project_clusters_path(@project.namespace, @project, creation_type: 'manual', end_point: 'xxx.xxx.xxx.xxx', ca_cert: 'xxx...xxx', token: 'xxx', project_namespace: 'aaa'), method: :post
+  = render "form"

lib/google_api/cloud_platform/client.rb

+require 'google/apis/container_v1'
+
 module GoogleApi
   module CloudPlatform
     class Client < GoogleApi::Authentication
-      # Google::Apis::ContainerV1::ContainerService.new
-
       class << self
         def token_in_session
           :cloud_platform_access_token
@@ -13,26 +13,37 @@ module GoogleApi
         'https://www.googleapis.com/auth/cloud-platform'
       end
 
-      def projects_zones_clusters_get
-        # TODO: 
-        # service = Google::Apis::ContainerV1::ContainerService.new
-        # service.authorization = access_token
-        # project_id = params['project_id']
-        # ...
-        # response = service.list_zone_clusters(project_id, zone)
-        response
+      def projects_zones_clusters_get(project_id:, zone:, cluster_id:)
+        service = Google::Apis::ContainerV1::ContainerService.new
+        service.authorization = access_token
+
+        response = service.get_zone_cluster(project_id, zone, cluster_id)
+        response.to_json
       end
 
-      def projects_zones_clusters_create(gcp_project_id, cluster_zone, cluster_name, cluster_size)
-        # TODO: Google::Apis::ContainerV1::ContainerService.new
+      # Responce exmaple 
+      # {"name":"operation-1506424047439-0293f57c","operationType":"CREATE_CLUSTER","selfLink":"https://container.googleapis.com/v1/projects/696404988091/zones/us-central1-a/operations/operation-1506424047439-0293f57c","startTime":"2017-09-26T11:07:27.439033158Z","status":"RUNNING","targetLink":"https://container.googleapis.com/v1/projects/696404988091/zones/us-central1-a/clusters/gke-test-creation","zone":"us-central1-a"}
+      def projects_zones_clusters_create(project_id:, zone:, cluster_name:, cluster_size:, machine_type:)
+        service = Google::Apis::ContainerV1::ContainerService.new
+        service.authorization = access_token
+
+        request_body = Google::Apis::ContainerV1::CreateClusterRequest.new(
+            {
+              "cluster": {
+                "name": cluster_name,
+                "initial_node_count": cluster_size
+              }
+            }
+          )
+
+        # TODO: machine_type : Defailt 3.75 GB
+        response = service.create_cluster(project_id, zone, request_body)
+        puts response.to_json
+        response.to_json
+      end
 
-        # TODO: Debug
-        {
-          'end_point' => 'https://111.111.111.111',
-          'ca_cert' => 'XXXXXXXXXXXXXXXXXX',
-          'username' => 'AAA',
-          'password' => 'BBB'
-        }
+      def get_status(project_id:, zone:, cluster_name:, cluster_size:, machine_type:)
+        # Observe 
       end
     end
   end