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author | Thong Kuah <tkuah@gitlab.com> | 2019-04-10 05:50:14 +0300 |
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committer | Stan Hu <stanhu@gmail.com> | 2019-04-30 08:55:11 +0300 |
commit | 938e90f47288901790a96c50a8c0dfa2b7eab137 (patch) | |
tree | b7496ad378885c6aee32b199906386812cedf9d8 /spec/services/clusters/applications | |
parent | 33a765c17a246e4a2376056b1c301707c78806d0 (diff) |
Services to uninstall cluster application
+ to monitor progress of uninstallation pod
Diffstat (limited to 'spec/services/clusters/applications')
-rw-r--r-- | spec/services/clusters/applications/check_uninstall_progress_service_spec.rb | 127 | ||||
-rw-r--r-- | spec/services/clusters/applications/uninstall_service_spec.rb | 77 |
2 files changed, 204 insertions, 0 deletions
diff --git a/spec/services/clusters/applications/check_uninstall_progress_service_spec.rb b/spec/services/clusters/applications/check_uninstall_progress_service_spec.rb new file mode 100644 index 00000000000..ccae7fd133f --- /dev/null +++ b/spec/services/clusters/applications/check_uninstall_progress_service_spec.rb @@ -0,0 +1,127 @@ +# frozen_string_literal: true + +require 'spec_helper' + +describe Clusters::Applications::CheckUninstallProgressService do + RESCHEDULE_PHASES = Gitlab::Kubernetes::Pod::PHASES - [Gitlab::Kubernetes::Pod::SUCCEEDED, Gitlab::Kubernetes::Pod::FAILED].freeze + + let(:application) { create(:clusters_applications_helm, :uninstalling) } + let(:service) { described_class.new(application) } + let(:phase) { Gitlab::Kubernetes::Pod::UNKNOWN } + let(:errors) { nil } + let(:worker_class) { Clusters::Applications::WaitForUninstallAppWorker } + + shared_examples 'a not yet terminated installation' do |a_phase| + let(:phase) { a_phase } + + before do + expect(service).to receive(:installation_phase).once.and_return(phase) + end + + context "when phase is #{a_phase}" do + context 'when not timeouted' do + it 'reschedule a new check' do + expect(worker_class).to receive(:perform_in).once + expect(service).not_to receive(:remove_installation_pod) + + expect do + service.execute + + application.reload + end.not_to change(application, :status) + + expect(application.status_reason).to be_nil + end + end + end + end + + before do + allow(service).to receive(:installation_errors).and_return(errors) + allow(service).to receive(:remove_installation_pod).and_return(nil) + end + + context 'when application is installing' do + RESCHEDULE_PHASES.each { |phase| it_behaves_like 'a not yet terminated installation', phase } + + context 'when installation POD succeeded' do + let(:phase) { Gitlab::Kubernetes::Pod::SUCCEEDED } + before do + expect(service).to receive(:installation_phase).once.and_return(phase) + end + + it 'removes the installation POD' do + expect(service).to receive(:remove_installation_pod).once + + service.execute + end + + it 'make the application installed' do + expect(worker_class).not_to receive(:perform_in) + + service.execute + + expect(application).to be_uninstalled + expect(application.status_reason).to be_nil + end + end + + context 'when installation POD failed' do + let(:phase) { Gitlab::Kubernetes::Pod::FAILED } + let(:errors) { 'test installation failed' } + + before do + expect(service).to receive(:installation_phase).once.and_return(phase) + end + + it 'make the application errored' do + service.execute + + expect(application).to be_uninstall_errored + expect(application.status_reason).to eq('Operation failed. Check pod logs for uninstall-helm for more details.') + end + end + + context 'when timed out' do + let(:application) { create(:clusters_applications_helm, :timeouted, :uninstalling) } + + before do + expect(service).to receive(:installation_phase).once.and_return(phase) + end + + it 'make the application errored' do + expect(worker_class).not_to receive(:perform_in) + + service.execute + + expect(application).to be_uninstall_errored + expect(application.status_reason).to eq('Operation timed out. Check pod logs for uninstall-helm for more details.') + end + end + + context 'when installation raises a Kubeclient::HttpError' do + let(:cluster) { create(:cluster, :provided_by_user, :project) } + let(:logger) { service.send(:logger) } + let(:error) { Kubeclient::HttpError.new(401, 'Unauthorized', nil) } + + before do + application.update!(cluster: cluster) + + expect(service).to receive(:installation_phase).and_raise(error) + end + + include_examples 'logs kubernetes errors' do + let(:error_name) { 'Kubeclient::HttpError' } + let(:error_message) { 'Unauthorized' } + let(:error_code) { 401 } + end + + it 'shows the response code from the error' do + service.execute + + expect(application).to be_uninstall_errored + expect(application.status_reason).to eq('Kubernetes error: 401') + end + end + end +end diff --git a/spec/services/clusters/applications/uninstall_service_spec.rb b/spec/services/clusters/applications/uninstall_service_spec.rb new file mode 100644 index 00000000000..d1d0e923e18 --- /dev/null +++ b/spec/services/clusters/applications/uninstall_service_spec.rb @@ -0,0 +1,77 @@ +# frozen_string_literal: true + +require 'spec_helper' + +describe Clusters::Applications::UninstallService, '#execute' do + let(:application) { create(:clusters_applications_helm, :scheduled) } + let(:service) { described_class.new(application) } + let(:helm_client) { instance_double(Gitlab::Kubernetes::Helm::Api) } + let(:worker_class) { Clusters::Applications::WaitForUninstallAppWorker } + + before do + allow(service).to receive(:helm_api).and_return(helm_client) + end + + context 'when there are no errors' do + before do + expect(helm_client).to receive(:uninstall).with(kind_of(Gitlab::Kubernetes::Helm::ResetCommand)) + allow(worker_class).to receive(:perform_in).and_return(nil) + end + + it 'make the application to be uninstalling' do + expect(application.cluster).not_to be_nil + service.execute + + expect(application).to be_uninstalling + end + + it 'schedule async installation status check' do + expect(worker_class).to receive(:perform_in).once + + service.execute + end + end + + context 'when k8s cluster communication fails' do + let(:error) { Kubeclient::HttpError.new(500, 'system failure', nil) } + + before do + expect(helm_client).to receive(:uninstall).with(kind_of(Gitlab::Kubernetes::Helm::ResetCommand)).and_raise(error) + end + + include_examples 'logs kubernetes errors' do + let(:error_name) { 'Kubeclient::HttpError' } + let(:error_message) { 'system failure' } + let(:error_code) { 500 } + end + + it 'make the application errored' do + service.execute + + expect(application).to be_uninstall_errored + expect(application.status_reason).to match('Kubernetes error: 500') + end + end + + context 'a non kubernetes error happens' do + let(:application) { create(:clusters_applications_helm, :scheduled) } + let(:error) { StandardError.new('something bad happened') } + + before do + expect(helm_client).to receive(:uninstall).with(kind_of(Gitlab::Kubernetes::Helm::ResetCommand)).and_raise(error) + end + + include_examples 'logs kubernetes errors' do + let(:error_name) { 'StandardError' } + let(:error_message) { 'something bad happened' } + let(:error_code) { nil } + end + + it 'make the application errored' do + service.execute + + expect(application).to be_uninstall_errored + expect(application.status_reason).to eq('Failed to uninstall.') + end + end +end |