Add Web IDE terminal counts

ee/app/controllers/projects/web_ide_terminals_controller.rb

@@ -37,6 +37,8 @@ class Projects::WebIdeTerminalsController < Projects::ApplicationController
       current_build = pipeline.builds.last
 
       if current_build
+        Gitlab::UsageDataCounters::WebIdeCounter.increment_terminals_count
+
         render_terminal(current_build)
       else
         render status: :bad_request, json: pipeline.errors.full_messages

ee/changelogs/unreleased/al-214347-web-ide-terminal-usage.yml

+---
+title: Add Web IDE terminal usage counter
+merge_request: 31158
+author:
+type: added

ee/spec/controllers/projects/web_ide_terminals_controller_spec.rb

@@ -149,7 +149,7 @@ describe Projects::WebIdeTerminalsController do
                     }
     end
 
-    context 'access rights' do
+    context 'when terminal job is created successfully' do
       let(:build) { create(:ci_build, project: project) }
       let(:pipeline) { build.pipeline }
 
@@ -157,11 +157,29 @@ describe Projects::WebIdeTerminalsController do
         allow_next_instance_of(::Ci::CreateWebIdeTerminalService) do |instance|
           allow(instance).to receive(:execute).and_return(status: :success, pipeline: pipeline)
         end
+      end
+
+      context 'access rights' do
+        before do
+          subject
+        end
+
+        it_behaves_like 'terminal access rights'
+      end
+
+      it 'increases the web ide terminal counter' do
+        expect(Gitlab::UsageDataCounters::WebIdeCounter).to receive(:increment_terminals_count)
 
         subject
       end
+    end
+
+    shared_examples 'web ide terminal usage counter' do
+      it 'does not increase', :enable_admin_mode do
+        expect(Gitlab::UsageDataCounters::WebIdeCounter).not_to receive(:increment_terminals_count)
 
-      it_behaves_like 'terminal access rights'
+        subject
+      end
     end
 
     context 'when branch does not exist' do
@@ -173,20 +191,45 @@ describe Projects::WebIdeTerminalsController do
 
         expect(response).to have_gitlab_http_status(:bad_request)
       end
+
+      it_behaves_like 'web ide terminal usage counter'
     end
 
     context 'when there is an error creating the job' do
       let(:user) { admin }
 
-      it 'returns 400', :enable_admin_mode do
+      before do
         allow_next_instance_of(::Ci::CreateWebIdeTerminalService) do |instance|
           allow(instance).to receive(:execute).and_return(status: :error, message: 'foobar')
         end
+      end
+
+      it 'returns 400', :enable_admin_mode do
+        subject
+
+        expect(response).to have_gitlab_http_status(:bad_request)
+      end
+
+      it_behaves_like 'web ide terminal usage counter'
+    end
+
+    context 'when the current build is nil' do
+      let(:user) { admin }
+
+      before do
+        allow(pipeline).to receive(:builds).and_return([])
+        allow_next_instance_of(::Ci::CreateWebIdeTerminalService) do |instance|
+          allow(instance).to receive(:execute).and_return(status: :success, pipeline: pipeline)
+        end
+      end
 
+      it 'returns 400', :enable_admin_mode do
         subject
 
         expect(response).to have_gitlab_http_status(:bad_request)
       end
+
+      it_behaves_like 'web ide terminal usage counter'
     end
   end
 

lib/gitlab/usage_data_counters/web_ide_counter.rb

@@ -4,7 +4,7 @@ module Gitlab
   module UsageDataCounters
     class WebIdeCounter
       extend RedisCounter
-      KNOWN_EVENTS = %i[commits views merge_requests previews].freeze
+      KNOWN_EVENTS = %i[commits views merge_requests previews terminals].freeze
       PREFIX = 'web_ide'
 
       class << self
@@ -20,6 +20,10 @@ module Gitlab
           increment(redis_key('views'))
         end
 
+        def increment_terminals_count
+          increment(redis_key('terminals'))
+        end
+
         def increment_previews_count
           return unless Gitlab::CurrentSettings.web_ide_clientside_preview_enabled?
 

spec/lib/gitlab/usage_data_counters/web_ide_counter_spec.rb

@@ -26,6 +26,10 @@ describe Gitlab::UsageDataCounters::WebIdeCounter, :clean_gitlab_redis_shared_st
     it_behaves_like 'counter examples', 'views'
   end
 
+  describe 'terminals counter' do
+    it_behaves_like 'counter examples', 'terminals'
+  end
+
   describe 'previews counter' do
     let(:setting_enabled) { true }
 
@@ -56,6 +60,7 @@ describe Gitlab::UsageDataCounters::WebIdeCounter, :clean_gitlab_redis_shared_st
     merge_requests = 3
     views = 2
     previews = 4
+    terminals = 1
 
     before do
       stub_application_setting(web_ide_clientside_preview_enabled: true)
@@ -64,6 +69,7 @@ describe Gitlab::UsageDataCounters::WebIdeCounter, :clean_gitlab_redis_shared_st
       merge_requests.times { described_class.increment_merge_requests_count }
       views.times { described_class.increment_views_count }
       previews.times { described_class.increment_previews_count }
+      terminals.times { described_class.increment_terminals_count }
     end
 
     it 'can report all totals' do
@@ -71,7 +77,8 @@ describe Gitlab::UsageDataCounters::WebIdeCounter, :clean_gitlab_redis_shared_st
         web_ide_commits: commits,
         web_ide_views: views,
         web_ide_merge_requests: merge_requests,
-        web_ide_previews: previews
+        web_ide_previews: previews,
+        web_ide_terminals: terminals
       )
     end
   end