Remove Clusters::Applications::FinalizeInstallationService

app/services/clusters/applications/check_installation_progress_service.rb

@@ -6,7 +6,7 @@ module Clusters
 
         case installation_phase
         when Gitlab::Kubernetes::Pod::SUCCEEDED
-          finalize_installation
+          on_success
         when Gitlab::Kubernetes::Pod::FAILED
           on_failed
         else
@@ -18,23 +18,39 @@ module Clusters
 
       private
 
+      def on_success
+        app.make_installed!
+      ensure
+        remove_installation_pod
+      end
+
       def on_failed
         app.make_errored!(installation_errors || 'Installation silently failed')
-        finalize_installation
+      ensure
+        remove_installation_pod
       end
 
       def check_timeout
-        if Time.now.utc - app.updated_at.to_time.utc > ClusterWaitForAppInstallationWorker::TIMEOUT
+        if timeouted?
+          begin
             app.make_errored!('Installation timeouted')
-          finalize_installation
+          ensure
+            remove_installation_pod
+          end
         else
           ClusterWaitForAppInstallationWorker.perform_in(
             ClusterWaitForAppInstallationWorker::INTERVAL, app.name, app.id)
         end
       end
 
-      def finalize_installation
-        FinalizeInstallationService.new(app).execute
+      def timeouted?
+        Time.now.utc - app.updated_at.to_time.utc > ClusterWaitForAppInstallationWorker::TIMEOUT
+      end
+
+      def remove_installation_pod
+        helm_api.delete_installation_pod!(app)
+      rescue
+        # no-op
       end
 
       def installation_phase

app/services/clusters/applications/finalize_installation_service.rb

-module Clusters
-  module Applications
-    class FinalizeInstallationService < BaseHelmService
-      def execute
-        helm_api.delete_installation_pod!(app)
-
-        app.make_installed! if app.installing?
-      end
-    end
-  end
-end

spec/services/clusters/applications/check_installation_progress_service_spec.rb

@@ -9,8 +9,8 @@ describe Clusters::Applications::CheckInstallationProgressService do
   let(:errors) { nil }
 
   shared_examples 'a terminated installation' do
-    it 'finalize the installation' do
-      expect(service).to receive(:finalize_installation).once
+    it 'removes the installation POD' do
+      expect(service).to receive(:remove_installation_pod).once
 
       service.execute
     end
@@ -23,7 +23,7 @@ describe Clusters::Applications::CheckInstallationProgressService do
       context 'when not timeouted' do
         it 'reschedule a new check' do
           expect(ClusterWaitForAppInstallationWorker).to receive(:perform_in).once
-          expect(service).not_to receive(:finalize_installation)
+          expect(service).not_to receive(:remove_installation_pod)
 
           service.execute
 
@@ -53,7 +53,7 @@ describe Clusters::Applications::CheckInstallationProgressService do
     expect(service).to receive(:installation_phase).once.and_return(phase)
 
     allow(service).to receive(:installation_errors).and_return(errors)
-    allow(service).to receive(:finalize_installation).and_return(nil)
+    allow(service).to receive(:remove_installation_pod).and_return(nil)
   end
 
   describe '#execute' do
@@ -61,6 +61,15 @@ describe Clusters::Applications::CheckInstallationProgressService do
       let(:phase) { Gitlab::Kubernetes::Pod::SUCCEEDED }
 
       it_behaves_like 'a terminated installation'
+
+      it 'make the application installed' do
+        expect(ClusterWaitForAppInstallationWorker).not_to receive(:perform_in)
+
+        service.execute
+
+        expect(application).to be_installed
+        expect(application.status_reason).to be_nil
+      end
     end
 
     context 'when installation POD failed' do

spec/services/clusters/applications/finalize_installation_service_spec.rb

-require 'spec_helper'
-
-describe Clusters::Applications::FinalizeInstallationService do
-  describe '#execute' do
-    let(:application) { create(:applications_helm, :installing) }
-    let(:service) { described_class.new(application) }
-
-    before do
-      expect_any_instance_of(Gitlab::Kubernetes::Helm).to receive(:delete_installation_pod!).with(application)
-    end
-
-    context 'when installation POD succeeded' do
-      it 'make the application installed' do
-        service.execute
-
-        expect(application).to be_installed
-        expect(application.status_reason).to be_nil
-      end
-    end
-
-    context 'when installation POD failed' do
-      let(:application) { create(:applications_helm, :errored) }
-
-      it 'make the application errored' do
-        service.execute
-
-        expect(application).to be_errored
-        expect(application.status_reason).not_to be_nil
-      end
-    end
-  end
-end