debian-mirror-gitlab/spec/models/clusters/applications/elastic_stack_spec.rb
2020-08-09 17:41:57 +05:30

215 lines
6.9 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Clusters::Applications::ElasticStack do
include KubernetesHelpers
include_examples 'cluster application core specs', :clusters_applications_elastic_stack
include_examples 'cluster application status specs', :clusters_applications_elastic_stack
include_examples 'cluster application version specs', :clusters_applications_elastic_stack
include_examples 'cluster application helm specs', :clusters_applications_elastic_stack
describe '#install_command' do
let!(:elastic_stack) { create(:clusters_applications_elastic_stack) }
subject { elastic_stack.install_command }
it { is_expected.to be_an_instance_of(Gitlab::Kubernetes::Helm::InstallCommand) }
it 'is initialized with elastic stack arguments' do
expect(subject.name).to eq('elastic-stack')
expect(subject.chart).to eq('elastic-stack/elastic-stack')
expect(subject.version).to eq('3.0.0')
expect(subject.repository).to eq('https://charts.gitlab.io')
expect(subject).to be_rbac
expect(subject.files).to eq(elastic_stack.files)
expect(subject.preinstall).to be_empty
end
context 'within values.yaml' do
let(:values_yaml_content) {subject.files[:"values.yaml"]}
it 'contains the disabled index lifecycle management' do
expect(values_yaml_content).to include "setup.ilm.enabled: false"
end
it 'contains daily indices with respective template' do
expect(values_yaml_content).to include "index: \"filebeat-%{[agent.version]}-%{+yyyy.MM.dd}\""
expect(values_yaml_content).to include "setup.template.name: 'filebeat'"
expect(values_yaml_content).to include "setup.template.pattern: 'filebeat-*'"
end
end
context 'on a non rbac enabled cluster' do
before do
elastic_stack.cluster.platform_kubernetes.abac!
end
it { is_expected.not_to be_rbac }
end
context 'on versions older than 2' do
before do
elastic_stack.status = elastic_stack.status_states[:updating]
elastic_stack.version = "1.9.0"
end
it 'includes a preinstall script' do
expect(subject.preinstall).not_to be_empty
expect(subject.preinstall.first).to include("delete")
end
end
context 'on versions older than 3' do
before do
elastic_stack.status = elastic_stack.status_states[:updating]
elastic_stack.version = "2.9.0"
end
it 'includes a preinstall script' do
expect(subject.preinstall).not_to be_empty
expect(subject.preinstall.first).to include("delete")
end
end
context 'application failed to install previously' do
let(:elastic_stack) { create(:clusters_applications_elastic_stack, :errored, version: '0.0.1') }
it 'is initialized with the locked version' do
expect(subject.version).to eq('3.0.0')
end
end
end
describe '#chart_above_v2?' do
let(:elastic_stack) { create(:clusters_applications_elastic_stack, version: version) }
subject { elastic_stack.chart_above_v2? }
context 'on v1.9.0' do
let(:version) { '1.9.0' }
it { is_expected.to be_falsy }
end
context 'on v2.0.0' do
let(:version) { '2.0.0' }
it { is_expected.to be_truthy }
end
end
describe '#chart_above_v3?' do
let(:elastic_stack) { create(:clusters_applications_elastic_stack, version: version) }
subject { elastic_stack.chart_above_v3? }
context 'on v1.9.0' do
let(:version) { '1.9.0' }
it { is_expected.to be_falsy }
end
context 'on v3.0.0' do
let(:version) { '3.0.0' }
it { is_expected.to be_truthy }
end
end
describe '#uninstall_command' do
let!(:elastic_stack) { create(:clusters_applications_elastic_stack) }
subject { elastic_stack.uninstall_command }
it { is_expected.to be_an_instance_of(Gitlab::Kubernetes::Helm::DeleteCommand) }
it 'is initialized with elastic stack arguments' do
expect(subject.name).to eq('elastic-stack')
expect(subject).to be_rbac
expect(subject.files).to eq(elastic_stack.files)
end
it 'specifies a post delete command to remove custom resource definitions' do
expect(subject.postdelete).to eq([
'kubectl delete pvc --selector app\\=elastic-stack-elasticsearch-master --namespace gitlab-managed-apps'
])
end
end
describe '#elasticsearch_client' do
context 'cluster is nil' do
it 'returns nil' do
expect(subject.cluster).to be_nil
expect(subject.elasticsearch_client).to be_nil
end
end
context "cluster doesn't have kubeclient" do
let(:cluster) { create(:cluster) }
subject { create(:clusters_applications_elastic_stack, cluster: cluster) }
it 'returns nil' do
expect(subject.elasticsearch_client).to be_nil
end
end
context 'cluster has kubeclient' do
let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
let(:kubernetes_url) { subject.cluster.platform_kubernetes.api_url }
let(:kube_client) { subject.cluster.kubeclient.core_client }
subject { create(:clusters_applications_elastic_stack, cluster: cluster) }
before do
subject.cluster.platform_kubernetes.namespace = 'a-namespace'
stub_kubeclient_discover(cluster.platform_kubernetes.api_url)
create(:cluster_kubernetes_namespace,
cluster: cluster,
cluster_project: cluster.cluster_project,
project: cluster.cluster_project.project)
end
it 'creates proxy elasticsearch_client' do
expect(subject.elasticsearch_client).to be_instance_of(Elasticsearch::Transport::Client)
end
it 'copies proxy_url, options and headers from kube client to elasticsearch_client' do
expect(Elasticsearch::Client)
.to(receive(:new))
.with(url: a_valid_url)
.and_call_original
client = subject.elasticsearch_client
faraday_connection = client.transport.connections.first.connection
expect(faraday_connection.headers["Authorization"]).to eq(kube_client.headers[:Authorization])
expect(faraday_connection.ssl.cert_store).to be_instance_of(OpenSSL::X509::Store)
expect(faraday_connection.ssl.verify).to eq(1)
expect(faraday_connection.options.timeout).to be_nil
end
context 'when cluster is not reachable' do
before do
allow(kube_client).to receive(:proxy_url).and_raise(Kubeclient::HttpError.new(401, 'Unauthorized', nil))
end
it 'returns nil' do
expect(subject.elasticsearch_client).to be_nil
end
end
context 'when timeout is provided' do
it 'sets timeout in elasticsearch_client' do
client = subject.elasticsearch_client(timeout: 123)
faraday_connection = client.transport.connections.first.connection
expect(faraday_connection.options.timeout).to eq(123)
end
end
end
end
end