2019-07-07 11:18:12 +05:30
|
|
|
# frozen_string_literal: true
|
|
|
|
|
2019-12-04 20:38:33 +05:30
|
|
|
require 'spec_helper'
|
2018-03-17 18:26:18 +05:30
|
|
|
|
|
|
|
describe Clusters::Applications::Prometheus do
|
2018-11-20 20:47:30 +05:30
|
|
|
include KubernetesHelpers
|
2020-03-13 15:44:24 +05:30
|
|
|
include StubRequests
|
2018-11-20 20:47:30 +05:30
|
|
|
|
2018-03-27 19:54:05 +05:30
|
|
|
include_examples 'cluster application core specs', :clusters_applications_prometheus
|
2018-12-13 13:39:08 +05:30
|
|
|
include_examples 'cluster application status specs', :clusters_applications_prometheus
|
2019-03-02 22:35:43 +05:30
|
|
|
include_examples 'cluster application version specs', :clusters_applications_prometheus
|
2019-02-15 15:39:39 +05:30
|
|
|
include_examples 'cluster application helm specs', :clusters_applications_prometheus
|
2019-03-02 22:35:43 +05:30
|
|
|
include_examples 'cluster application initial status specs'
|
2018-03-17 18:26:18 +05:30
|
|
|
|
2019-07-31 22:56:46 +05:30
|
|
|
describe 'after_destroy' do
|
2020-01-01 13:55:28 +05:30
|
|
|
context 'cluster type is project' do
|
|
|
|
let(:cluster) { create(:cluster, :with_installed_helm) }
|
|
|
|
let(:application) { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
|
2019-07-31 22:56:46 +05:30
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
it 'deactivates prometheus_service after destroy' do
|
|
|
|
expect(Clusters::Applications::DeactivateServiceWorker)
|
|
|
|
.to receive(:perform_async).with(cluster.id, 'prometheus')
|
2019-07-31 22:56:46 +05:30
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
application.destroy!
|
|
|
|
end
|
2019-07-31 22:56:46 +05:30
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2018-03-17 18:26:18 +05:30
|
|
|
describe 'transition to installed' do
|
|
|
|
let(:project) { create(:project) }
|
2020-01-01 13:55:28 +05:30
|
|
|
let(:cluster) { create(:cluster, :with_installed_helm) }
|
|
|
|
let(:application) { create(:clusters_applications_prometheus, :installing, cluster: cluster) }
|
2018-03-17 18:26:18 +05:30
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
it 'schedules post installation job' do
|
|
|
|
expect(Clusters::Applications::ActivateServiceWorker)
|
|
|
|
.to receive(:perform_async).with(cluster.id, 'prometheus')
|
2018-03-17 18:26:18 +05:30
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
application.make_installed
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2019-07-31 22:56:46 +05:30
|
|
|
describe '#can_uninstall?' do
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus) }
|
|
|
|
|
|
|
|
subject { prometheus.can_uninstall? }
|
|
|
|
|
|
|
|
it { is_expected.to be_truthy }
|
|
|
|
end
|
|
|
|
|
2018-03-27 19:54:05 +05:30
|
|
|
describe '#prometheus_client' do
|
2020-01-01 13:55:28 +05:30
|
|
|
shared_examples 'exception caught for prometheus client' do
|
|
|
|
before do
|
|
|
|
allow(kube_client).to receive(:proxy_url).and_raise(exception)
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'returns nil' do
|
|
|
|
expect(subject.prometheus_client).to be_nil
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2018-03-17 18:26:18 +05:30
|
|
|
context 'cluster is nil' do
|
|
|
|
it 'returns nil' do
|
|
|
|
expect(subject.cluster).to be_nil
|
2018-03-27 19:54:05 +05:30
|
|
|
expect(subject.prometheus_client).to be_nil
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
context "cluster doesn't have kubeclient" do
|
|
|
|
let(:cluster) { create(:cluster) }
|
2020-03-13 15:44:24 +05:30
|
|
|
|
2018-03-17 18:26:18 +05:30
|
|
|
subject { create(:clusters_applications_prometheus, cluster: cluster) }
|
|
|
|
|
|
|
|
it 'returns nil' do
|
2018-03-27 19:54:05 +05:30
|
|
|
expect(subject.prometheus_client).to be_nil
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
context 'cluster has kubeclient' do
|
2018-12-13 13:39:08 +05:30
|
|
|
let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
|
2018-11-20 20:47:30 +05:30
|
|
|
let(:kubernetes_url) { subject.cluster.platform_kubernetes.api_url }
|
|
|
|
let(:kube_client) { subject.cluster.kubeclient.core_client }
|
2018-03-17 18:26:18 +05:30
|
|
|
|
2018-12-13 13:39:08 +05:30
|
|
|
subject { create(:clusters_applications_prometheus, cluster: cluster) }
|
2018-03-17 18:26:18 +05:30
|
|
|
|
|
|
|
before do
|
2018-11-20 20:47:30 +05:30
|
|
|
subject.cluster.platform_kubernetes.namespace = 'a-namespace'
|
2018-12-13 13:39:08 +05:30
|
|
|
stub_kubeclient_discover(cluster.platform_kubernetes.api_url)
|
|
|
|
|
|
|
|
create(:cluster_kubernetes_namespace,
|
|
|
|
cluster: cluster,
|
|
|
|
cluster_project: cluster.cluster_project,
|
|
|
|
project: cluster.cluster_project.project)
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
|
|
|
|
2019-10-12 21:52:04 +05:30
|
|
|
it 'creates proxy prometheus_client' do
|
|
|
|
expect(subject.prometheus_client).to be_instance_of(Gitlab::PrometheusClient)
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
|
|
|
|
2019-10-12 21:52:04 +05:30
|
|
|
it 'copies proxy_url, options and headers from kube client to prometheus_client' do
|
|
|
|
expect(Gitlab::PrometheusClient)
|
|
|
|
.to(receive(:new))
|
|
|
|
.with(a_valid_url, kube_client.rest_client.options.merge(headers: kube_client.headers))
|
|
|
|
subject.prometheus_client
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
2018-10-15 14:42:47 +05:30
|
|
|
|
|
|
|
context 'when cluster is not reachable' do
|
2020-01-01 13:55:28 +05:30
|
|
|
it_behaves_like 'exception caught for prometheus client' do
|
|
|
|
let(:exception) { Kubeclient::HttpError.new(401, 'Unauthorized', nil) }
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
context 'when there is a socket error while contacting cluster' do
|
|
|
|
it_behaves_like 'exception caught for prometheus client' do
|
|
|
|
let(:exception) { Errno::ECONNREFUSED }
|
2018-10-15 14:42:47 +05:30
|
|
|
end
|
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
it_behaves_like 'exception caught for prometheus client' do
|
|
|
|
let(:exception) { Errno::ECONNRESET }
|
2018-10-15 14:42:47 +05:30
|
|
|
end
|
|
|
|
end
|
2020-03-13 15:44:24 +05:30
|
|
|
|
|
|
|
context 'when the network is unreachable' do
|
|
|
|
it_behaves_like 'exception caught for prometheus client' do
|
|
|
|
let(:exception) { Errno::ENETUNREACH }
|
|
|
|
end
|
|
|
|
end
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|
|
|
|
end
|
2018-03-27 19:54:05 +05:30
|
|
|
|
|
|
|
describe '#install_command' do
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus) }
|
|
|
|
|
2018-11-20 20:47:30 +05:30
|
|
|
subject { prometheus.install_command }
|
|
|
|
|
|
|
|
it { is_expected.to be_an_instance_of(Gitlab::Kubernetes::Helm::InstallCommand) }
|
2018-03-27 19:54:05 +05:30
|
|
|
|
2019-07-07 11:18:12 +05:30
|
|
|
it 'is initialized with 3 arguments' do
|
2018-11-20 20:47:30 +05:30
|
|
|
expect(subject.name).to eq('prometheus')
|
|
|
|
expect(subject.chart).to eq('stable/prometheus')
|
2020-03-13 15:44:24 +05:30
|
|
|
expect(subject.version).to eq('9.5.2')
|
2019-02-15 15:39:39 +05:30
|
|
|
expect(subject).to be_rbac
|
2018-11-20 20:47:30 +05:30
|
|
|
expect(subject.files).to eq(prometheus.files)
|
|
|
|
end
|
|
|
|
|
2019-02-15 15:39:39 +05:30
|
|
|
context 'on a non rbac enabled cluster' do
|
2018-11-20 20:47:30 +05:30
|
|
|
before do
|
2019-02-15 15:39:39 +05:30
|
|
|
prometheus.cluster.platform_kubernetes.abac!
|
2018-11-20 20:47:30 +05:30
|
|
|
end
|
2018-11-18 11:00:15 +05:30
|
|
|
|
2019-02-15 15:39:39 +05:30
|
|
|
it { is_expected.not_to be_rbac }
|
2018-11-18 11:00:15 +05:30
|
|
|
end
|
|
|
|
|
|
|
|
context 'application failed to install previously' do
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus, :errored, version: '2.0.0') }
|
|
|
|
|
2019-07-07 11:18:12 +05:30
|
|
|
it 'is initialized with the locked version' do
|
2020-03-13 15:44:24 +05:30
|
|
|
expect(subject.version).to eq('9.5.2')
|
2018-11-18 11:00:15 +05:30
|
|
|
end
|
2018-03-27 19:54:05 +05:30
|
|
|
end
|
2019-02-15 15:39:39 +05:30
|
|
|
|
2019-07-07 11:18:12 +05:30
|
|
|
it 'does not install knative metrics' do
|
2019-10-12 21:52:04 +05:30
|
|
|
expect(subject.postinstall).to be_empty
|
2019-02-15 15:39:39 +05:30
|
|
|
end
|
|
|
|
|
|
|
|
context 'with knative installed' do
|
2019-07-07 11:18:12 +05:30
|
|
|
let(:knative) { create(:clusters_applications_knative, :updated ) }
|
2019-02-15 15:39:39 +05:30
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus, cluster: knative.cluster) }
|
|
|
|
|
|
|
|
subject { prometheus.install_command }
|
|
|
|
|
2019-07-07 11:18:12 +05:30
|
|
|
it 'installs knative metrics' do
|
2019-02-15 15:39:39 +05:30
|
|
|
expect(subject.postinstall).to include("kubectl apply -f #{Clusters::Applications::Knative::METRICS_CONFIG}")
|
|
|
|
end
|
|
|
|
end
|
2018-03-27 19:54:05 +05:30
|
|
|
end
|
|
|
|
|
2019-07-31 22:56:46 +05:30
|
|
|
describe '#uninstall_command' do
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus) }
|
|
|
|
|
|
|
|
subject { prometheus.uninstall_command }
|
|
|
|
|
|
|
|
it { is_expected.to be_an_instance_of(Gitlab::Kubernetes::Helm::DeleteCommand) }
|
|
|
|
|
|
|
|
it 'has the application name' do
|
|
|
|
expect(subject.name).to eq('prometheus')
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'has files' do
|
|
|
|
expect(subject.files).to eq(prometheus.files)
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'is rbac' do
|
|
|
|
expect(subject).to be_rbac
|
|
|
|
end
|
|
|
|
|
2019-12-21 20:55:43 +05:30
|
|
|
describe '#predelete' do
|
|
|
|
let(:knative) { create(:clusters_applications_knative, :updated ) }
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus, cluster: knative.cluster) }
|
|
|
|
|
|
|
|
subject { prometheus.uninstall_command.predelete }
|
|
|
|
|
|
|
|
it 'deletes knative metrics' do
|
|
|
|
metrics_config = Clusters::Applications::Knative::METRICS_CONFIG
|
|
|
|
is_expected.to include("kubectl delete -f #{metrics_config} --ignore-not-found")
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2019-07-31 22:56:46 +05:30
|
|
|
context 'on a non rbac enabled cluster' do
|
|
|
|
before do
|
|
|
|
prometheus.cluster.platform_kubernetes.abac!
|
|
|
|
end
|
|
|
|
|
|
|
|
it { is_expected.not_to be_rbac }
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
describe '#patch_command' do
|
|
|
|
subject(:patch_command) { prometheus.patch_command(values) }
|
|
|
|
|
2019-03-02 22:35:43 +05:30
|
|
|
let(:prometheus) { build(:clusters_applications_prometheus) }
|
|
|
|
let(:values) { prometheus.values }
|
|
|
|
|
2020-01-01 13:55:28 +05:30
|
|
|
it { is_expected.to be_an_instance_of(::Gitlab::Kubernetes::Helm::PatchCommand) }
|
2019-03-02 22:35:43 +05:30
|
|
|
|
2019-07-07 11:18:12 +05:30
|
|
|
it 'is initialized with 3 arguments' do
|
2020-01-01 13:55:28 +05:30
|
|
|
expect(patch_command.name).to eq('prometheus')
|
|
|
|
expect(patch_command.chart).to eq('stable/prometheus')
|
2020-03-13 15:44:24 +05:30
|
|
|
expect(patch_command.version).to eq('9.5.2')
|
2020-01-01 13:55:28 +05:30
|
|
|
expect(patch_command.files).to eq(prometheus.files)
|
2019-03-02 22:35:43 +05:30
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
describe '#update_in_progress?' do
|
|
|
|
context 'when app is updating' do
|
|
|
|
it 'returns true' do
|
|
|
|
cluster = create(:cluster)
|
|
|
|
prometheus_app = build(:clusters_applications_prometheus, :updating, cluster: cluster)
|
|
|
|
|
|
|
|
expect(prometheus_app.update_in_progress?).to be true
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
describe '#update_errored?' do
|
|
|
|
context 'when app errored' do
|
|
|
|
it 'returns true' do
|
|
|
|
cluster = create(:cluster)
|
|
|
|
prometheus_app = build(:clusters_applications_prometheus, :update_errored, cluster: cluster)
|
|
|
|
|
|
|
|
expect(prometheus_app.update_errored?).to be true
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2018-11-18 11:00:15 +05:30
|
|
|
describe '#files' do
|
|
|
|
let(:application) { create(:clusters_applications_prometheus) }
|
|
|
|
let(:values) { subject[:'values.yaml'] }
|
|
|
|
|
|
|
|
subject { application.files }
|
|
|
|
|
2019-07-07 11:18:12 +05:30
|
|
|
it 'includes prometheus valid values' do
|
2018-11-18 11:00:15 +05:30
|
|
|
expect(values).to include('alertmanager')
|
|
|
|
expect(values).to include('kubeStateMetrics')
|
|
|
|
expect(values).to include('nodeExporter')
|
|
|
|
expect(values).to include('pushgateway')
|
|
|
|
expect(values).to include('serverFiles')
|
2018-03-27 19:54:05 +05:30
|
|
|
end
|
|
|
|
end
|
2019-03-02 22:35:43 +05:30
|
|
|
|
|
|
|
describe '#files_with_replaced_values' do
|
|
|
|
let(:application) { build(:clusters_applications_prometheus) }
|
|
|
|
let(:files) { application.files }
|
|
|
|
|
|
|
|
subject { application.files_with_replaced_values({ hello: :world }) }
|
|
|
|
|
|
|
|
it 'does not modify #files' do
|
2020-04-08 14:13:33 +05:30
|
|
|
expect(subject[:'values.yaml']).not_to eq(files[:'values.yaml'])
|
|
|
|
|
2019-03-02 22:35:43 +05:30
|
|
|
expect(files[:'values.yaml']).to eq(application.values)
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'returns values.yaml with replaced values' do
|
|
|
|
expect(subject[:'values.yaml']).to eq({ hello: :world })
|
|
|
|
end
|
|
|
|
|
2020-04-08 14:13:33 +05:30
|
|
|
it 'uses values from #files, except for values.yaml' do
|
|
|
|
allow(application).to receive(:files).and_return({
|
|
|
|
'values.yaml': 'some value specific to files',
|
|
|
|
'file_a.txt': 'file_a',
|
|
|
|
'file_b.txt': 'file_b'
|
|
|
|
})
|
|
|
|
|
|
|
|
expect(subject.except(:'values.yaml')).to eq({
|
|
|
|
'file_a.txt': 'file_a',
|
|
|
|
'file_b.txt': 'file_b'
|
|
|
|
})
|
2019-03-02 22:35:43 +05:30
|
|
|
end
|
|
|
|
end
|
2020-01-01 13:55:28 +05:30
|
|
|
|
|
|
|
describe '#configured?' do
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
|
|
|
|
|
|
|
|
subject { prometheus.configured? }
|
|
|
|
|
|
|
|
context 'when a kubenetes client is present' do
|
|
|
|
let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
|
|
|
|
|
|
|
|
it { is_expected.to be_truthy }
|
|
|
|
|
|
|
|
context 'when it is not availalble' do
|
|
|
|
let(:prometheus) { create(:clusters_applications_prometheus, cluster: cluster) }
|
|
|
|
|
|
|
|
it { is_expected.to be_falsey }
|
|
|
|
end
|
2020-03-13 15:44:24 +05:30
|
|
|
|
|
|
|
context 'when the kubernetes URL is blocked' do
|
|
|
|
before do
|
|
|
|
blocked_ip = '127.0.0.1' # localhost addresses are blocked by default
|
|
|
|
|
|
|
|
stub_all_dns(cluster.platform.api_url, ip_address: blocked_ip)
|
|
|
|
end
|
|
|
|
|
|
|
|
it { is_expected.to be_falsey }
|
|
|
|
end
|
2020-01-01 13:55:28 +05:30
|
|
|
end
|
|
|
|
|
|
|
|
context 'when a kubenetes client is not present' do
|
|
|
|
let(:cluster) { create(:cluster) }
|
|
|
|
|
|
|
|
it { is_expected.to be_falsy }
|
|
|
|
end
|
|
|
|
end
|
2020-04-08 14:13:33 +05:30
|
|
|
|
|
|
|
describe 'alert manager token' do
|
|
|
|
subject { create(:clusters_applications_prometheus) }
|
|
|
|
|
|
|
|
context 'when not set' do
|
|
|
|
it 'is empty by default' do
|
|
|
|
expect(subject.alert_manager_token).to be_nil
|
|
|
|
expect(subject.encrypted_alert_manager_token).to be_nil
|
|
|
|
expect(subject.encrypted_alert_manager_token_iv).to be_nil
|
|
|
|
end
|
|
|
|
|
|
|
|
describe '#generate_alert_manager_token!' do
|
|
|
|
it 'generates a token' do
|
|
|
|
subject.generate_alert_manager_token!
|
|
|
|
|
|
|
|
expect(subject.alert_manager_token).to match(/\A\h{32}\z/)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
context 'when set' do
|
|
|
|
let(:token) { SecureRandom.hex }
|
|
|
|
|
|
|
|
before do
|
|
|
|
subject.update!(alert_manager_token: token)
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'reads the token' do
|
|
|
|
expect(subject.alert_manager_token).to eq(token)
|
|
|
|
expect(subject.encrypted_alert_manager_token).not_to be_nil
|
|
|
|
expect(subject.encrypted_alert_manager_token_iv).not_to be_nil
|
|
|
|
end
|
|
|
|
|
|
|
|
describe '#generate_alert_manager_token!' do
|
|
|
|
it 'does not re-generate the token' do
|
|
|
|
subject.generate_alert_manager_token!
|
|
|
|
|
|
|
|
expect(subject.alert_manager_token).to eq(token)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
2018-03-17 18:26:18 +05:30
|
|
|
end
|