87 lines
2.6 KiB
Ruby
87 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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# Input
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# - factory: [:clusters_applications_prometheus, :clusters_integrations_prometheus]
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RSpec.shared_examples '#prometheus_client shared' do
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shared_examples 'exception caught for prometheus client' do
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before do
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allow(kube_client).to receive(:proxy_url).and_raise(exception)
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end
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it 'returns nil' do
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expect(subject.prometheus_client).to be_nil
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end
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end
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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.prometheus_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(factory, cluster: cluster) }
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it 'returns nil' do
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expect(subject.prometheus_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(:cluster) { create(:cluster, :project, :provided_by_gcp) }
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let(:kubernetes_url) { subject.cluster.platform_kubernetes.api_url }
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let(:kube_client) { subject.cluster.kubeclient.core_client }
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subject { create(factory, cluster: cluster) }
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before do
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subject.cluster.platform_kubernetes.namespace = 'a-namespace'
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stub_kubeclient_discover(cluster.platform_kubernetes.api_url)
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create(:cluster_kubernetes_namespace,
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cluster: cluster,
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cluster_project: cluster.cluster_project,
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project: cluster.cluster_project.project)
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end
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it 'creates proxy prometheus_client' do
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expect(subject.prometheus_client).to be_instance_of(Gitlab::PrometheusClient)
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end
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it 'merges proxy_url, options and headers from kube client with prometheus_client options' do
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expect(Gitlab::PrometheusClient)
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.to(receive(:new))
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.with(a_valid_url, kube_client.rest_client.options.merge({
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headers: kube_client.headers,
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timeout: PrometheusAdapter::DEFAULT_PROMETHEUS_REQUEST_TIMEOUT_SEC
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}))
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subject.prometheus_client
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end
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context 'when cluster is not reachable' do
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it_behaves_like 'exception caught for prometheus client' do
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let(:exception) { Kubeclient::HttpError.new(401, 'Unauthorized', nil) }
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end
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end
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context 'when there is a socket error while contacting cluster' do
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it_behaves_like 'exception caught for prometheus client' do
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let(:exception) { Errno::ECONNREFUSED }
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end
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it_behaves_like 'exception caught for prometheus client' do
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let(:exception) { Errno::ECONNRESET }
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end
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end
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context 'when the network is unreachable' do
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it_behaves_like 'exception caught for prometheus client' do
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let(:exception) { Errno::ENETUNREACH }
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end
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end
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end
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end
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