# frozen_string_literal: true require 'spec_helper' RSpec.describe ::API::Admin::InstanceClusters do include KubernetesHelpers let_it_be(:regular_user) { create(:user) } let_it_be(:admin_user) { create(:admin) } let_it_be(:project) { create(:project) } let_it_be(:project_cluster) do create(:cluster, :project, :provided_by_gcp, user: admin_user, projects: [project]) end let(:project_cluster_id) { project_cluster.id } describe "GET /admin/clusters" do let_it_be(:clusters) do create_list(:cluster, 3, :provided_by_gcp, :instance, :production_environment) end include_examples ':certificate_based_clusters feature flag API responses' do let(:subject) { get api("/admin/clusters", admin_user) } end context "when authenticated as a non-admin user" do it 'returns 403' do get api('/admin/clusters', regular_user) expect(response).to have_gitlab_http_status(:forbidden) end end context "when authenticated as admin" do before do get api("/admin/clusters", admin_user) end it 'returns 200' do expect(response).to have_gitlab_http_status(:ok) end it 'includes pagination headers' do expect(response).to include_pagination_headers end it 'only returns the instance clusters' do cluster_ids = json_response.map { |cluster| cluster['id'] } expect(cluster_ids).to match_array(clusters.pluck(:id)) expect(cluster_ids).not_to include(project_cluster_id) end end end describe "GET /admin/clusters/:cluster_id" do let_it_be(:platform_kubernetes) do create(:cluster_platform_kubernetes, :configured) end let_it_be(:cluster) do create(:cluster, :instance, :provided_by_gcp, :with_domain, platform_kubernetes: platform_kubernetes, user: admin_user) end let(:cluster_id) { cluster.id } include_examples ':certificate_based_clusters feature flag API responses' do let(:subject) { get api("/admin/clusters/#{cluster_id}", admin_user) } end context "when authenticated as admin" do before do get api("/admin/clusters/#{cluster_id}", admin_user) end context "when no cluster associated to the ID" do let(:cluster_id) { 1337 } it 'returns 404' do expect(response).to have_gitlab_http_status(:not_found) end end context "when cluster with cluster_id exists" do it 'returns 200' do expect(response).to have_gitlab_http_status(:ok) end it 'returns the cluster with cluster_id' do expect(json_response['id']).to eq(cluster.id) end it 'returns the cluster information' do expect(json_response['provider_type']).to eq('gcp') expect(json_response['platform_type']).to eq('kubernetes') expect(json_response['environment_scope']).to eq('*') expect(json_response['cluster_type']).to eq('instance_type') expect(json_response['domain']).to eq('example.com') expect(json_response['enabled']).to be_truthy expect(json_response['managed']).to be_truthy end it 'returns kubernetes platform information' do platform = json_response['platform_kubernetes'] expect(platform['api_url']).to eq('https://kubernetes.example.com') expect(platform['ca_cert']).to be_present end it 'returns user information' do user = json_response['user'] expect(user['id']).to eq(admin_user.id) expect(user['username']).to eq(admin_user.username) end it 'returns GCP provider information' do gcp_provider = json_response['provider_gcp'] expect(gcp_provider['cluster_id']).to eq(cluster.id) expect(gcp_provider['status_name']).to eq('created') expect(gcp_provider['gcp_project_id']).to eq('test-gcp-project') expect(gcp_provider['zone']).to eq('us-central1-a') expect(gcp_provider['machine_type']).to eq('n1-standard-2') expect(gcp_provider['num_nodes']).to eq(3) expect(gcp_provider['endpoint']).to eq('111.111.111.111') end context 'when cluster has no provider' do let(:cluster) do create(:cluster, :instance, :provided_by_user, :production_environment) end it 'does not include GCP provider info' do expect(json_response['provider_gcp']).not_to be_present end end context 'when trying to get a project cluster via the instance cluster endpoint' do it 'returns 404' do get api("/admin/clusters/#{project_cluster_id}", admin_user) expect(response).to have_gitlab_http_status(:not_found) end end end context "when authenticated as a non-admin user" do it 'returns 403' do get api("/admin/clusters/#{cluster_id}", regular_user) expect(response).to have_gitlab_http_status(:forbidden) end end end end describe "POST /admin/clusters/add" do let(:api_url) { 'https://example.com' } let(:authorization_type) { 'rbac' } let(:clusterable) { Clusters::Instance.new } let(:platform_kubernetes_attributes) do { api_url: api_url, token: 'sample-token', authorization_type: authorization_type } end let(:cluster_params) do { name: 'test-instance-cluster', domain: 'domain.example.com', managed: false, enabled: false, namespace_per_environment: false, platform_kubernetes_attributes: platform_kubernetes_attributes, clusterable: clusterable } end let(:multiple_cluster_params) do { name: 'multiple-instance-cluster', environment_scope: 'staging/*', platform_kubernetes_attributes: platform_kubernetes_attributes } end let(:invalid_cluster_params) do { environment_scope: 'production/*', domain: 'domain.example.com', platform_kubernetes_attributes: platform_kubernetes_attributes } end include_examples ':certificate_based_clusters feature flag API responses' do let(:subject) { post api('/admin/clusters/add', admin_user), params: cluster_params } end context 'authorized user' do before do post api('/admin/clusters/add', admin_user), params: cluster_params end context 'with valid params' do it 'responds with 201' do expect(response).to have_gitlab_http_status(:created) end it 'creates a new Clusters::Cluster', :aggregate_failures do cluster_result = Clusters::Cluster.find(json_response["id"]) platform_kubernetes = cluster_result.platform expect(cluster_result).to be_user expect(cluster_result).to be_kubernetes expect(cluster_result.clusterable).to be_a Clusters::Instance expect(cluster_result.cluster_type).to eq('instance_type') expect(cluster_result.name).to eq('test-instance-cluster') expect(cluster_result.domain).to eq('domain.example.com') expect(cluster_result.environment_scope).to eq('*') expect(cluster_result.managed).to be_falsy expect(cluster_result.enabled).to be_falsy expect(platform_kubernetes.authorization_type).to eq('rbac') expect(cluster_result.namespace_per_environment).to eq(false) expect(platform_kubernetes.api_url).to eq("https://example.com") expect(platform_kubernetes.token).to eq('sample-token') end context 'when user does not indicate authorization type' do let(:platform_kubernetes_attributes) do { api_url: api_url, token: 'sample-token' } end it 'defaults to RBAC' do cluster_result = Clusters::Cluster.find(json_response['id']) expect(cluster_result.platform_kubernetes.rbac?).to be_truthy end end context 'when user sets authorization type as ABAC' do let(:authorization_type) { 'abac' } it 'creates an ABAC cluster' do cluster_result = Clusters::Cluster.find(json_response['id']) expect(cluster_result.platform.abac?).to be_truthy end end context 'when namespace_per_environment is not set' do let(:cluster_params) do { name: 'test-cluster', domain: 'domain.example.com', platform_kubernetes_attributes: platform_kubernetes_attributes } end it 'defaults to true' do cluster_result = Clusters::Cluster.find(json_response['id']) expect(cluster_result).to be_namespace_per_environment end end context 'when an instance cluster already exists' do it 'allows user to add multiple clusters' do post api('/admin/clusters/add', admin_user), params: multiple_cluster_params expect(Clusters::Instance.new.clusters.count).to eq(2) end end end context 'with invalid params' do context 'when missing a required parameter' do it 'responds with 400' do post api('/admin/clusters/add', admin_user), params: invalid_cluster_params expect(response).to have_gitlab_http_status(:bad_request) expect(json_response['error']).to eql('name is missing') end end context 'with a malformed api url' do let(:api_url) { 'invalid_api_url' } it 'responds with 400' do expect(response).to have_gitlab_http_status(:bad_request) end it 'returns validation errors' do expect(json_response['message']['platform_kubernetes.api_url'].first).to be_present end end end end context 'non-authorized user' do it 'responds with 403' do post api('/admin/clusters/add', regular_user), params: cluster_params expect(response).to have_gitlab_http_status(:forbidden) end end end describe 'PUT /admin/clusters/:cluster_id' do let(:api_url) { 'https://example.com' } let(:update_params) do { domain: domain, managed: false, enabled: false, platform_kubernetes_attributes: platform_kubernetes_attributes } end let(:domain) { 'new-domain.com' } let(:platform_kubernetes_attributes) { {} } let_it_be(:cluster) do create(:cluster, :instance, :provided_by_gcp, domain: 'old-domain.com') end include_examples ':certificate_based_clusters feature flag API responses' do let(:subject) { put api("/admin/clusters/#{cluster.id}", admin_user), params: update_params } end context 'authorized user' do before do put api("/admin/clusters/#{cluster.id}", admin_user), params: update_params cluster.reload end context 'with valid params' do it 'responds with 200' do expect(response).to have_gitlab_http_status(:ok) end it 'updates cluster attributes' do expect(cluster.domain).to eq('new-domain.com') expect(cluster.managed).to be_falsy expect(cluster.enabled).to be_falsy end end context 'with invalid params' do let(:domain) { 'invalid domain' } it 'responds with 400' do expect(response).to have_gitlab_http_status(:bad_request) end it 'does not update cluster attributes' do expect(cluster.domain).to eq('old-domain.com') expect(cluster.managed).to be_truthy expect(cluster.enabled).to be_truthy end it 'returns validation errors' do expect(json_response['message']['domain'].first).to match('contains invalid characters (valid characters: [a-z0-9\\-])') end end context 'with a GCP cluster' do context 'when user tries to change GCP specific fields' do let(:platform_kubernetes_attributes) do { api_url: 'https://new-api-url.com', token: 'new-sample-token' } end it 'responds with 400' do expect(response).to have_gitlab_http_status(:bad_request) end it 'returns validation error' do expect(json_response['message']['platform_kubernetes.base'].first).to eq(_('Cannot modify managed Kubernetes cluster')) end end context 'when user tries to change domain' do let(:domain) { 'new-domain.com' } it 'responds with 200' do expect(response).to have_gitlab_http_status(:ok) end end end context 'with an user cluster' do let(:api_url) { 'https://new-api-url.com' } let(:cluster) do create(:cluster, :instance, :provided_by_user, :production_environment) end let(:platform_kubernetes_attributes) do { api_url: api_url, token: 'new-sample-token' } end let(:update_params) do { name: 'new-name', platform_kubernetes_attributes: platform_kubernetes_attributes } end it 'responds with 200' do expect(response).to have_gitlab_http_status(:ok) end it 'updates platform kubernetes attributes' do platform_kubernetes = cluster.platform_kubernetes expect(cluster.name).to eq('new-name') expect(platform_kubernetes.api_url).to eq('https://new-api-url.com') expect(platform_kubernetes.token).to eq('new-sample-token') end end context 'with a cluster that does not exist' do let(:cluster_id) { 1337 } it 'returns 404' do put api("/admin/clusters/#{cluster_id}", admin_user), params: update_params expect(response).to have_gitlab_http_status(:not_found) end end context 'when trying to update a project cluster via the instance cluster endpoint' do it 'returns 404' do put api("/admin/clusters/#{project_cluster_id}", admin_user), params: update_params expect(response).to have_gitlab_http_status(:not_found) end end end context 'non-authorized user' do it 'responds with 403' do put api("/admin/clusters/#{cluster.id}", regular_user), params: update_params expect(response).to have_gitlab_http_status(:forbidden) end end end describe 'DELETE /admin/clusters/:cluster_id' do let(:cluster_params) { { cluster_id: cluster.id } } let_it_be(:cluster) do create(:cluster, :instance, :provided_by_gcp) end include_examples ':certificate_based_clusters feature flag API responses' do let(:subject) { delete api("/admin/clusters/#{cluster.id}", admin_user), params: cluster_params } end context 'authorized user' do before do delete api("/admin/clusters/#{cluster.id}", admin_user), params: cluster_params end it 'responds with 204' do expect(response).to have_gitlab_http_status(:no_content) end it 'deletes the cluster' do expect(Clusters::Cluster.exists?(id: cluster.id)).to be_falsy end context 'with a cluster that does not exist' do let(:cluster_id) { 1337 } it 'returns 404' do delete api("/admin/clusters/#{cluster_id}", admin_user) expect(response).to have_gitlab_http_status(:not_found) end end context 'when trying to update a project cluster via the instance cluster endpoint' do it 'returns 404' do delete api("/admin/clusters/#{project_cluster_id}", admin_user) expect(response).to have_gitlab_http_status(:not_found) end end end context 'non-authorized user' do it 'responds with 403' do delete api("/admin/clusters/#{cluster.id}", regular_user), params: cluster_params expect(response).to have_gitlab_http_status(:forbidden) end end end end