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require 'spec_helper'
require Rails.root.join('db', 'post_migrate', '20171124104327_migrate_kubernetes_service_to_new_clusters_architectures.rb')
describe MigrateKubernetesServiceToNewClustersArchitectures, :migration do
context 'when unique KubernetesService exists' do
shared_examples 'KubernetesService migration' do
let(:sample_num) { 2 }
let(:projects) { create_list(:project, sample_num) }
let!(:kubernetes_services) do
projects.map do |project|
create(:kubernetes_service,
project: project,
active: active,
api_url: "https://kubernetes#{project.id}.com",
token: defined?(token) ? token : "token#{project.id}",
ca_pem: "ca_pem#{project.id}")
end
end
it 'migrates the KubernetesService to Platform::Kubernetes' do
expect{ migrate! }.to change { Clusters::Cluster.count }.by(sample_num)
projects.each do |project|
project.clusters.last.tap do |cluster|
expect(cluster.enabled).to eq(active)
expect(cluster.platform_kubernetes.api_url).to eq(project.kubernetes_service.api_url)
expect(cluster.platform_kubernetes.ca_pem).to eq(project.kubernetes_service.ca_pem)
expect(cluster.platform_kubernetes.token).to eq(project.kubernetes_service.token)
expect(project.kubernetes_service).not_to be_active
expect(project.kubernetes_service.properties['migrated']).to be_truthy
end
end
end
end
context 'when KubernetesService is active' do
let(:active) { true }
it_behaves_like 'KubernetesService migration'
end
context 'when KubernetesService is not active' do
let(:active) { false }
# Platforms::Kubernetes validates `token` reagdless of the activeness
# KubernetesService validates `token` if only it's activated
# However, in this migration file, there are no validations because of the migration specific model class
# therefore, Validation Error will not happen in this case and just migrate data
let(:token) { '' }
it_behaves_like 'KubernetesService migration'
end
end
context 'when unique KubernetesService spawned from Service Template' do
let(:sample_num) { 2 }
let(:projects) { create_list(:project, sample_num) }
let!(:kubernetes_service_template) do
create(:kubernetes_service,
project: nil,
template: true,
api_url: "https://sample.kubernetes.com",
token: "token-sample",
ca_pem: "ca_pem-sample")
end
let!(:kubernetes_services) do
projects.map do |project|
create(:kubernetes_service,
project: project,
api_url: kubernetes_service_template.api_url,
token: kubernetes_service_template.token,
ca_pem: kubernetes_service_template.ca_pem)
end
end
it 'migrates the KubernetesService to Platform::Kubernetes without template' do
expect{ migrate! }.to change { Clusters::Cluster.count }.by(sample_num)
projects.each do |project|
project.clusters.last.tap do |cluster|
expect(cluster.platform_kubernetes.api_url).to eq(project.kubernetes_service.api_url)
expect(cluster.platform_kubernetes.ca_pem).to eq(project.kubernetes_service.ca_pem)
expect(cluster.platform_kubernetes.token).to eq(project.kubernetes_service.token)
expect(project.kubernetes_service).not_to be_active
expect(project.kubernetes_service.properties['migrated']).to be_truthy
end
end
end
end
context 'when managed KubernetesService exists' do
let(:project) { create(:project) }
let(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
let!(:platform_kubernetes) { cluster.platform_kubernetes }
let!(:kubernetes_service) do
create(:kubernetes_service,
project: project,
active: cluster.enabled,
api_url: platform_kubernetes.api_url,
token: platform_kubernetes.token,
ca_pem: platform_kubernetes.ca_cert)
end
it 'does not migrate the KubernetesService and disables the kubernetes_service' do # Because the corresponding Platform::Kubernetes already exists
expect{ migrate! }.not_to change { Clusters::Cluster.count }
kubernetes_service.reload
expect(kubernetes_service).not_to be_active
expect(kubernetes_service.properties['migrated']).to be_truthy
end
end
context 'when production cluster has already been existed' do # i.e. There are no environment_scope conflicts
let(:project) { create(:project) }
let!(:cluster) { create(:cluster, :provided_by_gcp, environment_scope: 'production/*', projects: [project]) }
let!(:kubernetes_service) { create(:kubernetes_service, api_url: 'https://debug.kube.com', active: true, project: project) }
it 'migrates the KubernetesService to Platform::Kubernetes' do
expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
kubernetes_service.reload
project.clusters.last.tap do |cluster|
expect(cluster.environment_scope).to eq('*')
expect(cluster.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
expect(cluster.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
expect(cluster.platform_kubernetes.token).to eq(kubernetes_service.token)
expect(kubernetes_service).not_to be_active
expect(kubernetes_service.properties['migrated']).to be_truthy
end
end
end
context 'when default cluster has already been existed' do
let(:project) { create(:project) }
let!(:cluster) { create(:cluster, :provided_by_gcp, environment_scope: '*', projects: [project]) }
let!(:kubernetes_service) { create(:kubernetes_service, api_url: 'https://debug.kube.com', active: true, project: project) }
it 'migrates the KubernetesService to Platform::Kubernetes with dedicated environment_scope' do # Because environment_scope is duplicated
expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
kubernetes_service.reload
project.clusters.last.tap do |cluster|
expect(cluster.environment_scope).to eq('migrated/*')
expect(cluster.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
expect(cluster.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
expect(cluster.platform_kubernetes.token).to eq(kubernetes_service.token)
expect(kubernetes_service).not_to be_active
expect(kubernetes_service.properties['migrated']).to be_truthy
end
end
end
context 'when default cluster and migrated cluster has already been existed' do
let(:project) { create(:project) }
let!(:cluster) { create(:cluster, :provided_by_gcp, environment_scope: '*', projects: [project]) }
let!(:migrated_cluster) { create(:cluster, :provided_by_gcp, environment_scope: 'migrated/*', projects: [project]) }
let!(:kubernetes_service) { create(:kubernetes_service, api_url: 'https://debug.kube.com', active: true, project: project) }
it 'migrates the KubernetesService to Platform::Kubernetes with dedicated environment_scope' do # Because environment_scope is duplicated
expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
kubernetes_service.reload
project.clusters.last.tap do |cluster|
expect(cluster.environment_scope).to eq('migrated0/*')
expect(cluster.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
expect(cluster.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
expect(cluster.platform_kubernetes.token).to eq(kubernetes_service.token)
expect(kubernetes_service).not_to be_active
expect(kubernetes_service.properties['migrated']).to be_truthy
end
end
end
context 'when KubernetesService does not exist' do
let!(:project) { create(:project) }
it 'does not migrate the KubernetesService' do
expect{ migrate! }.not_to change { Clusters::Cluster.count }
end
end
end
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