From ce0ce1cb196e924b13631565114352ed89eba5af Mon Sep 17 00:00:00 2001
From: Dennis Tang <dtang@gitlab.com>
Date: Mon, 11 Jun 2018 22:57:04 -0700
Subject: consolidate back into one controller

---
 app/controllers/projects/clusters_controller.rb | 113 +++++++++++++++++++++++-
 1 file changed, 109 insertions(+), 4 deletions(-)

(limited to 'app/controllers/projects/clusters_controller.rb')

diff --git a/app/controllers/projects/clusters_controller.rb b/app/controllers/projects/clusters_controller.rb
index 38140fe9f27..62193257940 100644
--- a/app/controllers/projects/clusters_controller.rb
+++ b/app/controllers/projects/clusters_controller.rb
@@ -1,16 +1,15 @@
 class Projects::ClustersController < Projects::ApplicationController
-  include ClustersHelper
-  before_action :cluster, except: [:index, :new]
+  before_action :cluster, except: [:index, :new, :create_gcp, :create_user]
   before_action :authorize_read_cluster!
+  before_action :generate_gcp_authorize_url, only: [:new]
+  before_action :validate_gcp_token, only: [:new]
   before_action :gcp_cluster, only: [:new]
   before_action :user_cluster, only: [:new]
   before_action :authorize_create_cluster!, only: [:new]
   before_action :authorize_update_cluster!, only: [:update]
   before_action :authorize_admin_cluster!, only: [:destroy]
   before_action :update_applications_status, only: [:status]
-  helper_method :gcp_authorize_url
   helper_method :token_in_session
-  helper_method :valid_gcp_token
 
   STATUS_POLLING_INTERVAL = 10_000
 
@@ -70,6 +69,38 @@ class Projects::ClustersController < Projects::ApplicationController
     end
   end
 
+  def create_gcp
+    @gcp_cluster = ::Clusters::CreateService
+      .new(project, current_user,  create_gcp_cluster_params)
+      .execute(token_in_session)
+
+    if @gcp_cluster.persisted?
+      redirect_to project_cluster_path(project, @gcp_cluster)
+    else
+      generate_gcp_authorize_url
+      validate_gcp_token
+      user_cluster
+
+      render :new, locals: { active_tab: 'gcp' }
+    end
+  end
+
+  def create_user
+    @user_cluster = ::Clusters::CreateService
+      .new(project, current_user,  create_user_cluster_params)
+      .execute(token_in_session)
+
+    if @user_cluster.persisted?
+      redirect_to project_cluster_path(project, @user_cluster)
+    else
+      generate_gcp_authorize_url
+      validate_gcp_token
+      gcp_cluster
+
+      render :new, locals: { active_tab: 'user' }
+    end
+  end
+
   private
 
   def cluster
@@ -101,6 +132,80 @@ class Projects::ClustersController < Projects::ApplicationController
     end
   end
 
+  def create_gcp_cluster_params
+    params.require(:cluster).permit(
+      :enabled,
+      :name,
+      :environment_scope,
+      provider_gcp_attributes: [
+        :gcp_project_id,
+        :zone,
+        :num_nodes,
+        :machine_type
+      ]).merge(
+        provider_type: :gcp,
+        platform_type: :kubernetes
+      )
+  end
+
+  def create_user_cluster_params
+    params.require(:cluster).permit(
+      :enabled,
+      :name,
+      :environment_scope,
+      platform_kubernetes_attributes: [
+        :namespace,
+        :api_url,
+        :token,
+        :ca_cert
+      ]).merge(
+        provider_type: :user,
+        platform_type: :kubernetes
+      )
+  end
+
+  def generate_gcp_authorize_url
+    state = generate_session_key_redirect(new_project_cluster_path(@project).to_s)
+
+    @authorize_url = GoogleApi::CloudPlatform::Client.new(
+      nil, callback_google_api_auth_url,
+      state: state).authorize_url
+  rescue GoogleApi::Auth::ConfigMissingError
+    # no-op
+  end
+
+  def gcp_cluster
+    @gcp_cluster = ::Clusters::Cluster.new.tap do |cluster|
+      cluster.build_provider_gcp
+    end
+  end
+
+  def user_cluster
+    @user_cluster = ::Clusters::Cluster.new.tap do |cluster|
+      cluster.build_platform_kubernetes
+    end
+  end
+
+  def validate_gcp_token
+    @valid_gcp_token = GoogleApi::CloudPlatform::Client.new(token_in_session, nil)
+      .validate_token(expires_at_in_session)
+  end
+
+  def token_in_session
+    session[GoogleApi::CloudPlatform::Client.session_key_for_token]
+  end
+
+  def expires_at_in_session
+    @expires_at_in_session ||=
+      session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at]
+  end
+
+  def generate_session_key_redirect(uri)
+    GoogleApi::CloudPlatform::Client.new_session_key_for_redirect_uri do |key|
+      session[key] = uri
+    end
+  end
+
   def authorize_update_cluster!
     access_denied! unless can?(current_user, :update_cluster, cluster)
   end
-- 
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