# frozen_string_literal: true require 'spec_helper' RSpec.describe Clusters::Applications::Knative do let(:knative) { create(:clusters_applications_knative) } include_examples 'cluster application core specs', :clusters_applications_knative include_examples 'cluster application status specs', :clusters_applications_knative include_examples 'cluster application helm specs', :clusters_applications_knative include_examples 'cluster application version specs', :clusters_applications_knative include_examples 'cluster application initial status specs' before do allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_in) allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_async) allow(ClusterConfigureIstioWorker).to receive(:perform_async) end describe 'associations' do it { is_expected.to have_one(:serverless_domain_cluster).class_name('::Serverless::DomainCluster').with_foreign_key('clusters_applications_knative_id').inverse_of(:knative) } end describe 'when cloud run is enabled' do let(:cluster) { create(:cluster, :provided_by_gcp, :cloud_run_enabled) } let(:knative_cloud_run) { create(:clusters_applications_knative, cluster: cluster) } it { expect(knative_cloud_run).to be_not_installable } end describe 'when rbac is not enabled' do let(:cluster) { create(:cluster, :provided_by_gcp, :rbac_disabled) } let(:knative_no_rbac) { create(:clusters_applications_knative, cluster: cluster) } it { expect(knative_no_rbac).to be_not_installable } end describe 'make_installed with external_ip' do before do application.make_installed! end let(:application) { create(:clusters_applications_knative, :installing) } it 'schedules a ClusterWaitForIngressIpAddressWorker' do expect(ClusterWaitForIngressIpAddressWorker).to have_received(:perform_in) .with(Clusters::Applications::Knative::FETCH_IP_ADDRESS_DELAY, 'knative', application.id) end end describe 'configuring istio ingress gateway' do context 'after installed' do let(:application) { create(:clusters_applications_knative, :installing) } before do application.make_installed! end it 'schedules a ClusterConfigureIstioWorker' do expect(ClusterConfigureIstioWorker).to have_received(:perform_async).with(application.cluster_id) end end context 'after updated' do let(:application) { create(:clusters_applications_knative, :updating) } before do application.make_installed! end it 'schedules a ClusterConfigureIstioWorker' do expect(ClusterConfigureIstioWorker).to have_received(:perform_async).with(application.cluster_id) end end end describe '#can_uninstall?' do subject { knative.can_uninstall? } it { is_expected.to be_truthy } end describe '#schedule_status_update with external_ip' do let(:application) { create(:clusters_applications_knative, :installed) } before do application.schedule_status_update end it 'schedules a ClusterWaitForIngressIpAddressWorker' do expect(ClusterWaitForIngressIpAddressWorker).to have_received(:perform_async) .with('knative', application.id) end context 'when the application is not installed' do let(:application) { create(:clusters_applications_knative, :installing) } it 'does not schedule a ClusterWaitForIngressIpAddressWorker' do expect(ClusterWaitForIngressIpAddressWorker).not_to have_received(:perform_async) end end context 'when there is already an external_ip' do let(:application) { create(:clusters_applications_knative, :installed, external_ip: '111.222.222.111') } it 'does not schedule a ClusterWaitForIngressIpAddressWorker' do expect(ClusterWaitForIngressIpAddressWorker).not_to have_received(:perform_in) end end context 'when there is already an external_hostname' do let(:application) { create(:clusters_applications_knative, :installed, external_hostname: 'localhost.localdomain') } it 'does not schedule a ClusterWaitForIngressIpAddressWorker' do expect(ClusterWaitForIngressIpAddressWorker).not_to have_received(:perform_in) end end end shared_examples 'a command' do it 'is an instance of Helm::InstallCommand' do expect(subject).to be_an_instance_of(Gitlab::Kubernetes::Helm::InstallCommand) end it 'is initialized with knative arguments' do expect(subject.name).to eq('knative') expect(subject.chart).to eq('knative/knative') expect(subject.files).to eq(knative.files) end it 'does not install metrics for prometheus' do expect(subject.postinstall).to be_empty end context 'with prometheus installed' do let(:prometheus) { create(:clusters_applications_prometheus, :installed) } let(:knative) { create(:clusters_applications_knative, cluster: prometheus.cluster) } subject { knative.install_command } it 'installs metrics' do expect(subject.postinstall).not_to be_empty expect(subject.postinstall.length).to be(1) expect(subject.postinstall[0]).to eql("kubectl apply -f #{Clusters::Applications::Knative::METRICS_CONFIG}") end end end describe '#install_command' do subject { knative.install_command } it 'is initialized with latest version' do expect(subject.version).to eq('0.9.0') end it_behaves_like 'a command' end describe '#update_command' do let!(:current_installed_version) { knative.version = '0.1.0' } subject { knative.update_command } it 'is initialized with current version' do expect(subject.version).to eq(current_installed_version) end it_behaves_like 'a command' end describe '#uninstall_command' do subject { knative.uninstall_command } it { is_expected.to be_an_instance_of(Gitlab::Kubernetes::Helm::DeleteCommand) } it "removes knative deployed services before uninstallation" do 2.times do |i| cluster_project = create(:cluster_project, cluster: knative.cluster) create(:cluster_kubernetes_namespace, cluster: cluster_project.cluster, cluster_project: cluster_project, project: cluster_project.project, namespace: "namespace_#{i}") end remove_namespaced_services_script = [ "kubectl delete ksvc --all -n #{knative.cluster.kubernetes_namespaces.first.namespace}", "kubectl delete ksvc --all -n #{knative.cluster.kubernetes_namespaces.second.namespace}" ] expect(subject.predelete).to match_array(remove_namespaced_services_script) end it "initializes command with all necessary postdelete script" do api_groups = YAML.safe_load(File.read(Rails.root.join(Clusters::Applications::Knative::API_GROUPS_PATH))) remove_knative_istio_leftovers_script = [ "kubectl delete --ignore-not-found ns knative-serving", "kubectl delete --ignore-not-found ns knative-build" ] full_delete_commands_size = api_groups.size + remove_knative_istio_leftovers_script.size expect(subject.postdelete).to include(*remove_knative_istio_leftovers_script) expect(subject.postdelete.size).to eq(full_delete_commands_size) expect(subject.postdelete[2]).to eq("kubectl api-resources -o name --api-group #{api_groups[0]} | xargs kubectl delete --ignore-not-found crd") expect(subject.postdelete[3]).to eq("kubectl api-resources -o name --api-group #{api_groups[1]} | xargs kubectl delete --ignore-not-found crd") end end describe '#files' do let(:application) { knative } let(:values) { subject[:'values.yaml'] } subject { application.files } it 'includes knative specific keys in the values.yaml file' do expect(values).to include('domain') end end describe 'validations' do it { is_expected.to validate_presence_of(:hostname) } end describe '#available_domains' do let!(:domain) { create(:pages_domain, :instance_serverless) } it 'returns all instance serverless domains' do expect(PagesDomain).to receive(:instance_serverless).and_call_original domains = subject.available_domains expect(domains.length).to eq(1) expect(domains).to include(domain) end end describe '#find_available_domain' do let!(:domain) { create(:pages_domain, :instance_serverless) } it 'returns the domain scoped to available domains' do expect(subject).to receive(:available_domains).and_call_original expect(subject.find_available_domain(domain.id)).to eq(domain) end end describe '#pages_domain' do let!(:sdc) { create(:serverless_domain_cluster, knative: knative) } it 'returns the the associated pages domain' do expect(knative.reload.pages_domain).to eq(sdc.pages_domain) end end end