Add SCM options and SCMCredential to Ansible Tower Automation Manager

https://www.pivotaltracker.com/story/show/138861511

app/models/authentication.rb

@@ -20,6 +20,8 @@ def self.new(*args, &block)
   has_many :configuration_script_bases,
            :through => :authentication_configuration_script_bases
 
+  has_many :configuration_script_sources
+
   before_save :set_credentials_changed_on
   after_save :after_authentication_changed
 

app/models/configuration_script_source.rb

@@ -1,4 +1,5 @@
 class ConfigurationScriptSource < ApplicationRecord
   has_many    :configuration_script_payloads
+  belongs_to  :authentication
   belongs_to  :manager, :class_name => "ExtManagementSystem"
 end

app/models/manageiq/providers/ansible_tower/automation_manager/scm_credential.rb

@@ -0,0 +1,2 @@
+class ManageIQ::Providers::AnsibleTower::AutomationManager::ScmCredential < ManageIQ::Providers::AutomationManager::Authentication
+end

db/migrate/20170203161253_add_scm_attributes_to_configuration_script_source.rb

@@ -0,0 +1,11 @@
+class AddScmAttributesToConfigurationScriptSource < ActiveRecord::Migration[5.0]
+  def change
+    add_column :configuration_script_sources, :scm_type,             :string
+    add_column :configuration_script_sources, :scm_url,              :string
+    add_column :configuration_script_sources, :scm_branch,           :string
+    add_column :configuration_script_sources, :scm_clean,            :boolean
+    add_column :configuration_script_sources, :scm_delete_on_update, :boolean
+    add_column :configuration_script_sources, :scm_update_on_launch, :boolean
+    add_column :configuration_script_sources, :authentication_id,    :bigint
+  end
+end

db/schema.yml

@@ -536,6 +536,13 @@ configuration_script_sources:
 - description
 - created_at
 - updated_at
+- scm_type
+- scm_url
+- scm_branch
+- scm_clean
+- scm_delete_on_update
+- scm_update_on_launch
+- authentication_id
 configuration_scripts:
 - id
 - manager_id

lib/miq_automation_engine/service_models/miq_ae_service_manageiq-providers-ansible_tower-automation_manager-scm_credential.rb

@@ -0,0 +1,4 @@
+module MiqAeMethodService
+  class MiqAeServiceManageIQ_Providers_AnsibleTower_AutomationManager_ScmCredential < MiqAeServiceManageIQ_Providers_AutomationManager_Authentication
+  end
+end

spec/lib/miq_automation_engine/service_models/miq_ae_service_manageiq-providers-ansible_tower-automation_manager-scm_credential_spec.rb

@@ -0,0 +1,5 @@
+describe MiqAeMethodService::MiqAeServiceManageIQ_Providers_AnsibleTower_AutomationManager_ScmCredential do
+  it "get the service model class" do
+    expect { described_class }.not_to raise_error
+  end
+end