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# frozen_string_literal: true
require 'rails_helper'
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)
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 '#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('0.6.0')
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_resources = YAML.safe_load(File.read(Rails.root.join(Clusters::Applications::Knative::API_RESOURCES_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_resources.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 delete --ignore-not-found crd #{api_resources[0]}")
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
end
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