debian-mirror-gitlab/spec/models/clusters/applications/knative_spec.rb

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# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Clusters::Applications::Knative do
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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
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include_examples 'cluster application version specs', :clusters_applications_knative
include_examples 'cluster application initial status specs'
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before do
allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_in)
allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_async)
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allow(ClusterConfigureIstioWorker).to receive(:perform_async)
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end
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describe 'associations' do
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it { is_expected.to have_one(:serverless_domain_cluster).class_name('::Serverless::DomainCluster').with_foreign_key('clusters_applications_knative_id').inverse_of(:knative) }
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end
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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
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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
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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
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describe '#can_uninstall?' do
subject { knative.can_uninstall? }
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it { is_expected.to be_truthy }
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end
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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
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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
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shared_examples 'a command' do
it 'is an instance of Helm::InstallCommand' do
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expect(subject).to be_an_instance_of(Gitlab::Kubernetes::Helm::InstallCommand)
end
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it 'is initialized with knative arguments' do
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expect(subject.name).to eq('knative')
expect(subject.chart).to eq('knative/knative')
expect(subject.files).to eq(knative.files)
end
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it 'does not install metrics for prometheus' do
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expect(subject.postinstall).to be_empty
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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 }
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it 'installs metrics' do
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expect(subject.postinstall).not_to be_empty
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expect(subject.postinstall.length).to be(1)
expect(subject.postinstall[0]).to eql("kubectl apply -f #{Clusters::Applications::Knative::METRICS_CONFIG}")
end
end
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end
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describe '#install_command' do
subject { knative.install_command }
it 'is initialized with latest version' do
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expect(subject.version).to eq('0.9.0')
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end
it_behaves_like 'a command'
end
describe '#update_command' do
let!(:current_installed_version) { knative.version = '0.1.0' }
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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
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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
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api_groups = YAML.safe_load(File.read(Rails.root.join(Clusters::Applications::Knative::API_GROUPS_PATH)))
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remove_knative_istio_leftovers_script = [
"kubectl delete --ignore-not-found ns knative-serving",
"kubectl delete --ignore-not-found ns knative-build"
]
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full_delete_commands_size = api_groups.size + remove_knative_istio_leftovers_script.size
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expect(subject.postdelete).to include(*remove_knative_istio_leftovers_script)
expect(subject.postdelete.size).to eq(full_delete_commands_size)
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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")
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end
end
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describe '#files' do
let(:application) { knative }
let(:values) { subject[:'values.yaml'] }
subject { application.files }
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it 'includes knative specific keys in the values.yaml file' do
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expect(values).to include('domain')
end
end
describe 'validations' do
it { is_expected.to validate_presence_of(:hostname) }
end
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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
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end