debian-mirror-gitlab/spec/lib/gitlab/kubernetes/helm/pod_spec.rb
2018-03-27 19:54:05 +05:30

84 lines
3.1 KiB
Ruby

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(:namespace) { Gitlab::Kubernetes::Helm::NAMESPACE }
subject { described_class.new(command, namespace) }
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 install command' 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('configuration-volume')
expect(container.volumeMounts.first['mountPath']).to eq("/data/helm/#{app.name}/config")
end
it 'should include a volume inside the specification' do
spec = subject.generate.spec
expect(spec.volumes.first['name']).to eq('configuration-volume')
end
it 'should mount configMap specification in the volume' do
volume = subject.generate.spec.volumes.first
expect(volume.configMap['name']).to eq("values-content-configuration-#{app.name}")
expect(volume.configMap['items'].first['key']).to eq('values')
expect(volume.configMap['items'].first['path']).to eq('values.yaml')
end
end
context 'with a init command' do
let(:app) { create(:clusters_applications_helm, 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