88 lines
2.7 KiB
Ruby
88 lines
2.7 KiB
Ruby
require 'rails_helper'
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describe Clusters::Applications::Prometheus do
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it { is_expected.to belong_to(:cluster) }
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it { is_expected.to validate_presence_of(:cluster) }
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include_examples 'cluster application specs', described_class
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describe 'transition to installed' do
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let(:project) { create(:project) }
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let(:cluster) { create(:cluster, projects: [project]) }
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let(:prometheus_service) { double('prometheus_service') }
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subject { create(:clusters_applications_prometheus, :installing, cluster: cluster) }
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before do
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allow(project).to receive(:find_or_initialize_service).with('prometheus').and_return prometheus_service
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end
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it 'ensures Prometheus service is activated' do
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expect(prometheus_service).to receive(:update).with(active: true)
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subject.make_installed
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end
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end
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describe "#chart_values_file" do
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subject { create(:clusters_applications_prometheus).chart_values_file }
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it 'should return chart values file path' do
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expect(subject).to eq("#{Rails.root}/vendor/prometheus/values.yaml")
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end
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end
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describe '#proxy_client' do
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context 'cluster is nil' do
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it 'returns nil' do
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expect(subject.cluster).to be_nil
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expect(subject.proxy_client).to be_nil
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end
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end
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context "cluster doesn't have kubeclient" do
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let(:cluster) { create(:cluster) }
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subject { create(:clusters_applications_prometheus, cluster: cluster) }
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it 'returns nil' do
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expect(subject.proxy_client).to be_nil
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end
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end
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context 'cluster has kubeclient' do
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let(:kubernetes_url) { 'http://example.com' }
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let(:k8s_discover_response) do
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{
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resources: [
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{
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name: 'service',
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kind: 'Service'
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}
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]
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}
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end
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let(:kube_client) { Kubeclient::Client.new(kubernetes_url) }
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let(:cluster) { create(:cluster) }
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subject { create(:clusters_applications_prometheus, cluster: cluster) }
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before do
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allow(kube_client.rest_client).to receive(:get).and_return(k8s_discover_response.to_json)
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allow(subject.cluster).to receive(:kubeclient).and_return(kube_client)
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end
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it 'creates proxy prometheus rest client' do
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expect(subject.proxy_client).to be_instance_of(RestClient::Resource)
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end
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it 'creates proper url' do
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expect(subject.proxy_client.url).to eq('http://example.com/api/v1/proxy/namespaces/gitlab-managed-apps/service/prometheus-prometheus-server:80')
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end
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it 'copies options and headers from kube client to proxy client' do
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expect(subject.proxy_client.options).to eq(kube_client.rest_client.options.merge(headers: kube_client.headers))
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end
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end
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end
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end
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