diff options
Diffstat (limited to 'spec/lib/gitlab/kubernetes/helm/pod_spec.rb')
-rw-r--r-- | spec/lib/gitlab/kubernetes/helm/pod_spec.rb | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/spec/lib/gitlab/kubernetes/helm/pod_spec.rb b/spec/lib/gitlab/kubernetes/helm/pod_spec.rb new file mode 100644 index 00000000000..906b10b96d4 --- /dev/null +++ b/spec/lib/gitlab/kubernetes/helm/pod_spec.rb @@ -0,0 +1,86 @@ +require 'rails_helper' + +describe Gitlab::Kubernetes::Helm::Pod do + describe '#generate' do + let(:cluster) { create(:cluster) } + let(:app) { create(:clusters_applications_prometheus, cluster: cluster) } + let(:command) { app.install_command } + let(:client) { double('kubernetes client') } + let(:namespace) { Gitlab::Kubernetes::Namespace.new(Gitlab::Kubernetes::Helm::NAMESPACE, client) } + subject { described_class.new(command, namespace.name, client) } + + before do + allow(client).to receive(:create_config_map).and_return(nil) + end + + shared_examples 'helm pod' do + it 'should generate a Kubeclient::Resource' do + expect(subject.generate).to be_a_kind_of(Kubeclient::Resource) + end + + it 'should generate the appropriate metadata' do + metadata = subject.generate.metadata + expect(metadata.name).to eq("install-#{app.name}") + expect(metadata.namespace).to eq('gitlab-managed-apps') + expect(metadata.labels['gitlab.org/action']).to eq('install') + expect(metadata.labels['gitlab.org/application']).to eq(app.name) + end + + it 'should generate a container spec' do + spec = subject.generate.spec + expect(spec.containers.count).to eq(1) + end + + it 'should generate the appropriate specifications for the container' do + container = subject.generate.spec.containers.first + expect(container.name).to eq('helm') + expect(container.image).to eq('alpine:3.6') + expect(container.env.count).to eq(3) + expect(container.env.map(&:name)).to match_array([:HELM_VERSION, :TILLER_NAMESPACE, :COMMAND_SCRIPT]) + expect(container.command).to match_array(["/bin/sh"]) + expect(container.args).to match_array(["-c", "$(COMMAND_SCRIPT)"]) + end + + it 'should include a never restart policy' do + spec = subject.generate.spec + expect(spec.restartPolicy).to eq('Never') + end + end + + context 'with a configuration file' do + it_behaves_like 'helm pod' + + it 'should include volumes for the container' do + container = subject.generate.spec.containers.first + expect(container.volumeMounts.first['name']).to eq('config-volume') + expect(container.volumeMounts.first['mountPath']).to eq('/etc/config') + end + + it 'should include a volume inside the specification' do + spec = subject.generate.spec + expect(spec.volumes.first['name']).to eq('config-volume') + end + + it 'should mount configMap specification in the volume' do + spec = subject.generate.spec + expect(spec.volumes.first.configMap['name']).to eq('values-config') + end + end + + context 'without a configuration file' do + let(:app) { create(:clusters_applications_ingress, cluster: cluster) } + + it_behaves_like 'helm pod' + + it 'should not include volumeMounts inside the container' do + container = subject.generate.spec.containers.first + expect(container.volumeMounts).to be_nil + end + + it 'should not a volume inside the specification' do + spec = subject.generate.spec + expect(spec.volumes).to be_nil + end + end + end +end |