89 lines
3.3 KiB
Ruby
89 lines
3.3 KiB
Ruby
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require 'rails_helper'
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describe Gitlab::Kubernetes::Helm::Pod do
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describe '#generate' do
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let(:cluster) { create(:cluster) }
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let(:app) { create(:clusters_applications_prometheus, cluster: cluster) }
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let(:command) { app.install_command }
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let(:client) { double('kubernetes client') }
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let(:namespace) { Gitlab::Kubernetes::Namespace.new(Gitlab::Kubernetes::Helm::NAMESPACE, client) }
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subject { described_class.new(command, namespace.name, client) }
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before do
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allow(client).to receive(:create_config_map).and_return(nil)
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end
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shared_examples 'helm pod' do
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it 'should generate a Kubeclient::Resource' do
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expect(subject.generate).to be_a_kind_of(Kubeclient::Resource)
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end
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it 'should generate the appropriate metadata' do
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metadata = subject.generate.metadata
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expect(metadata.name).to eq("install-#{app.name}")
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expect(metadata.namespace).to eq('gitlab-managed-apps')
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expect(metadata.labels['gitlab.org/action']).to eq('install')
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expect(metadata.labels['gitlab.org/application']).to eq(app.name)
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end
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it 'should generate a container spec' do
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spec = subject.generate.spec
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expect(spec.containers.count).to eq(1)
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end
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it 'should generate the appropriate specifications for the container' do
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container = subject.generate.spec.containers.first
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expect(container.name).to eq('helm')
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expect(container.image).to eq('alpine:3.6')
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expect(container.env.count).to eq(3)
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expect(container.env.map(&:name)).to match_array([:HELM_VERSION, :TILLER_NAMESPACE, :COMMAND_SCRIPT])
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expect(container.command).to match_array(["/bin/sh"])
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expect(container.args).to match_array(["-c", "$(COMMAND_SCRIPT)"])
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end
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it 'should include a never restart policy' do
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spec = subject.generate.spec
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expect(spec.restartPolicy).to eq('Never')
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end
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end
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context 'with a configuration file' do
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it_behaves_like 'helm pod'
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it 'should include volumes for the container' do
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container = subject.generate.spec.containers.first
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expect(container.volumeMounts.first['name']).to eq('configuration-volume')
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expect(container.volumeMounts.first['mountPath']).to eq("/data/helm/#{app.name}/config")
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end
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it 'should include a volume inside the specification' do
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spec = subject.generate.spec
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expect(spec.volumes.first['name']).to eq('configuration-volume')
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end
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it 'should mount configMap specification in the volume' do
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spec = subject.generate.spec
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expect(spec.volumes.first.configMap['name']).to eq("values-content-configuration-#{app.name}")
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expect(spec.volumes.first.configMap['items'].first['key']).to eq('values')
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expect(spec.volumes.first.configMap['items'].first['path']).to eq('values.yaml')
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end
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end
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context 'without a configuration file' do
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let(:app) { create(:clusters_applications_helm, cluster: cluster) }
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it_behaves_like 'helm pod'
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it 'should not include volumeMounts inside the container' do
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container = subject.generate.spec.containers.first
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expect(container.volumeMounts).to be_nil
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end
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it 'should not a volume inside the specification' do
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spec = subject.generate.spec
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expect(spec.volumes).to be_nil
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end
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end
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end
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end
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