Delete MockDeploymentService records

And remove un-used code. This class became unusable since
DeploymentService was deleted in 659c6e6b.

app/models/project_services/mock_deployment_service.rb

 # frozen_string_literal: true
 
+# Deprecated, to be deleted in 13.8 (https://gitlab.com/gitlab-org/gitlab/-/issues/293914)
+#
+# This was a class used only in development environment but became unusable
+# since DeploymentService was deleted
 class MockDeploymentService < Service
   default_value_for :category, 'deployment'
 
@@ -31,26 +35,4 @@ class MockDeploymentService < Service
   def can_test?
     false
   end
-
-  def rollout_status(environment)
-    case environment.name
-    when 'staging'
-      ::Gitlab::Kubernetes::RolloutStatus.new([], status: :not_found)
-    when 'test'
-      ::Gitlab::Kubernetes::RolloutStatus.new([], status: :loading)
-    else
-      ::Gitlab::Kubernetes::RolloutStatus.new(rollout_status_deployments)
-    end
-  end
-
-  private
-
-  def rollout_status_instances
-    data = File.read(Rails.root.join('spec', 'fixtures', 'rollout_status_instances.json'))
-    Gitlab::Json.parse(data)
-  end
-
-  def rollout_status_deployments
-    [OpenStruct.new(instances: rollout_status_instances)]
-  end
 end

app/models/service.rb

@@ -24,7 +24,7 @@ class Service < ApplicationRecord
 
   # Fake services to help with local development.
   DEV_SERVICE_NAMES = %w[
-    mock_ci mock_deployment mock_monitoring
+    mock_ci mock_monitoring
   ].freeze
 
   serialize :properties, JSON # rubocop:disable Cop/ActiveRecordSerialize

changelogs/unreleased/delete_mock_deployment_records.yml

+---
+title: Delete MockDeploymentService records, used only in development environments
+merge_request: 50030
+author:
+type: other

db/fixtures/development/19_environments.rb

@@ -6,7 +6,6 @@ class Gitlab::Seeder::Environments
   end
 
   def seed!
-    @project.create_mock_deployment_service!(active: true)
     @project.create_mock_monitoring_service!(active: true)
 
     create_master_deployments!('production')

db/migrate/20201215084652_delete_mock_deployment_service_records.rb

+# frozen_string_literal: true
+
+class DeleteMockDeploymentServiceRecords < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    if Rails.env.development?
+      execute("DELETE FROM services WHERE type = 'MockDeploymentService'")
+    end
+  end
+
+  def down
+    # no-op
+  end
+end

db/schema_migrations/20201215084652

+8aa288d8f4a02030528e096c3aa4e109c57f4ca2515442ca0bfb3463cf9ff609
\ No newline at end of file

lib/api/helpers/services_helpers.rb

@@ -847,7 +847,6 @@ module API
       def self.development_service_classes
         [
           ::MockCiService,
-          ::MockDeploymentService,
           ::MockMonitoringService
         ]
       end

spec/factories/projects.rb

@@ -394,10 +394,6 @@ FactoryBot.define do
     jira_service
   end
 
-  factory :mock_deployment_project, parent: :project do
-    mock_deployment_service
-  end
-
   factory :prometheus_project, parent: :project do
     after :create do |project|
       project.create_prometheus_service(

spec/factories/services.rb

@@ -27,12 +27,6 @@ FactoryBot.define do
     end
   end
 
-  factory :mock_deployment_service do
-    project
-    type { 'MockDeploymentService' }
-    active { true }
-  end
-
   factory :prometheus_service do
     project
     active { true }