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# 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_prometheus, :uninstalling) }
let(:service) { described_class.new(application) }
let(:phase) { Gitlab::Kubernetes::Pod::UNKNOWN }
let(:errors) { nil }
let(:worker_class) { Clusters::Applications::WaitForUninstallAppWorker }
before do
allow(service).to receive(:installation_errors).and_return(errors)
allow(service).to receive(:remove_installation_pod)
end
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 timed_out' 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
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 'destroys the application' do
expect(worker_class).not_to receive(:perform_in)
service.execute
expect(application).to be_destroyed
end
context 'an error occurs while destroying' do
before do
expect(application).to receive(:destroy!).once.and_raise("destroy failed")
end
it 'still removes the installation POD' do
expect(service).to receive(:remove_installation_pod).once
service.execute
end
it 'makes the application uninstall_errored' do
service.execute
expect(application).to be_uninstall_errored
expect(application.status_reason).to eq('Application uninstalled but failed to destroy: destroy failed')
end
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-prometheus for more details.')
end
end
context 'when timed out' do
let(:application) { create(:clusters_applications_prometheus, :timed_out, :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-prometheus 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
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