92 lines
2.9 KiB
Ruby
92 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Clusters::Applications::PrometheusUpdateService do
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describe '#execute' do
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let(:project) { create(:project) }
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let(:environment) { create(:environment, project: project) }
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let(:cluster) { create(:cluster, :provided_by_user, :with_installed_helm, projects: [project]) }
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let(:application) { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
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let(:empty_alerts_values_update_yaml) { "---\nalertmanager:\n enabled: false\nserverFiles:\n alerts: {}\n" }
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let!(:patch_command) { application.patch_command(empty_alerts_values_update_yaml) }
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let(:helm_client) { instance_double(::Gitlab::Kubernetes::Helm::API) }
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subject(:service) { described_class.new(application, project) }
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before do
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allow(service).to receive(:patch_command).with(empty_alerts_values_update_yaml).and_return(patch_command)
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allow(service).to receive(:helm_api).and_return(helm_client)
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end
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context 'when there are no errors' do
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before do
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expect(helm_client).to receive(:update).with(patch_command)
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allow(::ClusterWaitForAppUpdateWorker)
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.to receive(:perform_in)
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.and_return(nil)
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end
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it 'make the application updating' do
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expect(application.cluster).not_to be_nil
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service.execute
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expect(application).to be_updating
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end
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it 'updates current config' do
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prometheus_config_service = spy(:prometheus_config_service)
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expect(Clusters::Applications::PrometheusConfigService)
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.to receive(:new)
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.with(project, cluster, application)
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.and_return(prometheus_config_service)
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expect(prometheus_config_service)
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.to receive(:execute)
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.and_return(YAML.safe_load(empty_alerts_values_update_yaml))
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service.execute
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end
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it 'schedules async update status check' do
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expect(::ClusterWaitForAppUpdateWorker).to receive(:perform_in).once
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service.execute
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end
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end
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context 'when k8s cluster communication fails' do
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before do
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error = ::Kubeclient::HttpError.new(500, 'system failure', nil)
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allow(helm_client).to receive(:update).and_raise(error)
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end
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it 'make the application update errored' do
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service.execute
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expect(application).to be_update_errored
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expect(application.status_reason).to match(/kubernetes error:/i)
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end
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end
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context 'when application cannot be persisted' do
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let(:application) { build(:clusters_applications_prometheus, :installed) }
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before do
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allow(application).to receive(:make_updating!).once
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.and_raise(ActiveRecord::RecordInvalid.new(application))
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end
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it 'make the application update errored' do
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expect(helm_client).not_to receive(:update)
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service.execute
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expect(application).to be_update_errored
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end
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end
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end
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end
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