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# frozen_string_literal: true
require 'fast_spec_helper'
RSpec.describe Quality::KubernetesClient do
let(:namespace) { 'review-apps-ee' }
let(:release_name) { 'my-release' }
let(:pod_for_release) { "pod-my-release-abcd" }
let(:raw_resource_names_str) { "NAME\nfoo\n#{pod_for_release}\nbar" }
let(:raw_resource_names) { raw_resource_names_str.lines.map(&:strip) }
subject { described_class.new(namespace: namespace) }
describe 'RESOURCE_LIST' do
it 'returns the correct list of resources separated by commas' do
expect(described_class::RESOURCE_LIST).to eq('ingress,svc,pdb,hpa,deploy,statefulset,job,pod,secret,configmap,pvc,secret,clusterrole,clusterrolebinding,role,rolebinding,sa,crd')
end
end
describe '#cleanup' do
before do
allow(subject).to receive(:raw_resource_names).and_return(raw_resource_names)
end
it 'raises an error if the Kubernetes command fails' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl delete #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" --now --ignore-not-found --include-uninitialized --wait=true -l release="#{release_name}")])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: false)))
expect { subject.cleanup(release_name: release_name) }.to raise_error(described_class::CommandFailedError)
end
it 'calls kubectl with the correct arguments' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl delete #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" --now --ignore-not-found --include-uninitialized --wait=true -l release="#{release_name}")])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: true)))
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with([%(kubectl delete --namespace "#{namespace}" --ignore-not-found #{pod_for_release})])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: true)))
# We're not verifying the output here, just silencing it
expect { subject.cleanup(release_name: release_name) }.to output.to_stdout
end
context 'with multiple releases' do
let(:release_name) { %w[my-release my-release-2] }
it 'raises an error if the Kubernetes command fails' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl delete #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" --now --ignore-not-found --include-uninitialized --wait=true -l 'release in (#{release_name.join(', ')})')])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: false)))
expect { subject.cleanup(release_name: release_name) }.to raise_error(described_class::CommandFailedError)
end
it 'calls kubectl with the correct arguments' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl delete #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" --now --ignore-not-found --include-uninitialized --wait=true -l 'release in (#{release_name.join(', ')})')])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: true)))
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with([%(kubectl delete --namespace "#{namespace}" --ignore-not-found #{pod_for_release})])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: true)))
# We're not verifying the output here, just silencing it
expect { subject.cleanup(release_name: release_name) }.to output.to_stdout
end
end
context 'with `wait: false`' do
it 'raises an error if the Kubernetes command fails' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl delete #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" --now --ignore-not-found --include-uninitialized --wait=false -l release="#{release_name}")])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: false)))
expect { subject.cleanup(release_name: release_name, wait: false) }.to raise_error(described_class::CommandFailedError)
end
it 'calls kubectl with the correct arguments' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl delete #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" --now --ignore-not-found --include-uninitialized --wait=false -l release="#{release_name}")])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: true)))
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with([%(kubectl delete --namespace "#{namespace}" --ignore-not-found #{pod_for_release})])
.and_return(Gitlab::Popen::Result.new([], '', '', double(success?: true)))
# We're not verifying the output here, just silencing it
expect { subject.cleanup(release_name: release_name, wait: false) }.to output.to_stdout
end
end
end
describe '#raw_resource_names' do
it 'calls kubectl to retrieve the resource names' do
expect(Gitlab::Popen).to receive(:popen_with_detail)
.with(["kubectl get #{described_class::RESOURCE_LIST} " +
%(--namespace "#{namespace}" -o name)])
.and_return(Gitlab::Popen::Result.new([], raw_resource_names_str, '', double(success?: true)))
expect(subject.__send__(:raw_resource_names)).to eq(raw_resource_names)
end
end
end
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