Commit 81e435c4 authored by Sean McGivern's avatar Sean McGivern

Merge branch '43109-ci_environments_status-json-executes-more-than-100-queries' into 'master'

Resolve "Controller Projects::MergeRequestsController#ci_environments_status.json executes more than 100 SQL queries"

Closes #43109

See merge request gitlab-org/gitlab-ce!21996
parents b1d8cd2e cc339aa6
......@@ -217,7 +217,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
metrics_url =
if can?(current_user, :read_environment, environment) && environment.has_metrics?
metrics_project_environment_deployment_path(environment.project, environment, deployment)
metrics_project_environment_deployment_path(project, environment, deployment)
end
metrics_monitoring_url =
......
......@@ -1082,26 +1082,10 @@ class Project < ActiveRecord::Base
end
def find_or_initialize_services(exceptions: [])
services_templates = Service.where(template: true)
available_services_names = Service.available_services_names - exceptions
available_services = available_services_names.map do |service_name|
service = find_service(services, service_name)
if service
service
else
# We should check if template for the service exists
template = find_service(services_templates, service_name)
if template.nil?
# If no template, we should create an instance. Ex `build_gitlab_ci_service`
public_send("build_#{service_name}_service") # rubocop:disable GitlabSecurity/PublicSend
else
Service.build_from_template(id, template)
end
end
find_or_initialize_service(service_name)
end
available_services.reject do |service|
......@@ -1114,7 +1098,18 @@ class Project < ActiveRecord::Base
end
def find_or_initialize_service(name)
find_or_initialize_services.find { |service| service.to_param == name }
service = find_service(services, name)
return service if service
# We should check if template for the service exists
template = find_service(services_templates, name)
if template
Service.build_from_template(id, template)
else
# If no template, we should create an instance. Ex `build_gitlab_ci_service`
public_send("build_#{name}_service") # rubocop:disable GitlabSecurity/PublicSend
end
end
# rubocop: disable CodeReuse/ServiceClass
......@@ -2277,4 +2272,8 @@ class Project < ActiveRecord::Base
check_access.call
end
end
def services_templates
@services_templates ||= Service.where(template: true)
end
end
......@@ -772,16 +772,26 @@ describe Projects::MergeRequestsController do
create(:merge_request, source_project: forked, target_project: project)
end
before do
it 'links to the environment on that project' do
get_ci_environments_status
expect(json_response.first['url']).to match /#{forked.full_path}/
end
# we're trying to reduce the overall number of queries for this method.
# set a hard limit for now. https://gitlab.com/gitlab-org/gitlab-ce/issues/52287
it 'keeps queries in check' do
control_count = ActiveRecord::QueryRecorder.new { get_ci_environments_status }.count
expect(control_count).to be <= 137
end
def get_ci_environments_status
get :ci_environments_status,
namespace_id: merge_request.project.namespace.to_param,
project_id: merge_request.project,
id: merge_request.iid, format: 'json'
end
it 'links to the environment on that project' do
expect(json_response.first['url']).to match /#{forked.full_path}/
end
end
end
......
......@@ -4037,6 +4037,20 @@ describe Project do
expect(result).to be_empty
end
end
describe "#find_or_initialize_service" do
subject { build(:project) }
it 'avoids N+1 database queries' do
allow(Service).to receive(:available_services_names).and_return(%w(prometheus pushover))
control_count = ActiveRecord::QueryRecorder.new { project.find_or_initialize_service('prometheus') }.count
allow(Service).to receive(:available_services_names).and_call_original
expect { project.find_or_initialize_service('prometheus') }.not_to exceed_query_limit(control_count)
end
end
end
def rugged_config
......
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