debian-mirror-gitlab/spec/services/clusters/aws/finalize_creation_service_spec.rb
2020-08-09 17:44:08 +05:30

124 lines
4.3 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Clusters::Aws::FinalizeCreationService do
describe '#execute' do
let(:provider) { create(:cluster_provider_aws, :creating) }
let(:platform) { provider.cluster.platform_kubernetes }
let(:create_service_account_service) { double(execute: true) }
let(:fetch_token_service) { double(execute: gitlab_token) }
let(:kube_client) { double(create_config_map: true) }
let(:cluster_stack) { double(outputs: [endpoint_output, cert_output, node_role_output]) }
let(:node_auth_config_map) { double }
let(:endpoint_output) { double(output_key: 'ClusterEndpoint', output_value: api_url) }
let(:cert_output) { double(output_key: 'ClusterCertificate', output_value: Base64.encode64(ca_pem)) }
let(:node_role_output) { double(output_key: 'NodeInstanceRole', output_value: node_role) }
let(:api_url) { 'https://kubernetes.example.com' }
let(:ca_pem) { File.read(Rails.root.join('spec/fixtures/clusters/sample_cert.pem')) }
let(:gitlab_token) { 'gitlab-token' }
let(:iam_token) { 'iam-token' }
let(:node_role) { 'arn::aws::iam::123456789012:role/node-role' }
subject { described_class.new.execute(provider) }
before do
allow(Clusters::Kubernetes::CreateOrUpdateServiceAccountService).to receive(:gitlab_creator)
.with(kube_client, rbac: true)
.and_return(create_service_account_service)
allow(Clusters::Kubernetes::FetchKubernetesTokenService).to receive(:new)
.with(
kube_client,
Clusters::Kubernetes::GITLAB_ADMIN_TOKEN_NAME,
Clusters::Kubernetes::GITLAB_SERVICE_ACCOUNT_NAMESPACE)
.and_return(fetch_token_service)
allow(Gitlab::Kubernetes::KubeClient).to receive(:new)
.with(
api_url,
auth_options: { bearer_token: iam_token },
ssl_options: {
verify_ssl: OpenSSL::SSL::VERIFY_PEER,
cert_store: instance_of(OpenSSL::X509::Store)
},
http_proxy_uri: nil
)
.and_return(kube_client)
allow(provider.api_client).to receive(:describe_stacks)
.with(stack_name: provider.cluster.name)
.and_return(double(stacks: [cluster_stack]))
allow(Kubeclient::AmazonEksCredentials).to receive(:token)
.with(provider.credentials, provider.cluster.name)
.and_return(iam_token)
allow(Gitlab::Kubernetes::ConfigMaps::AwsNodeAuth).to receive(:new)
.with(node_role).and_return(double(generate: node_auth_config_map))
end
it 'configures the provider and platform' do
subject
expect(provider).to be_created
expect(platform.api_url).to eq(api_url)
expect(platform.ca_pem).to eq(ca_pem)
expect(platform.token).to eq(gitlab_token)
expect(platform).to be_rbac
end
it 'calls the create_service_account_service' do
expect(create_service_account_service).to receive(:execute).once
subject
end
it 'configures cluster node authentication' do
expect(kube_client).to receive(:create_config_map).with(node_auth_config_map).once
subject
end
describe 'error handling' do
shared_examples 'provision error' do |message|
it "sets the status to :errored with an appropriate error message" do
subject
expect(provider).to be_errored
expect(provider.status_reason).to include(message)
end
end
context 'failed to request stack details from AWS' do
before do
allow(provider.api_client).to receive(:describe_stacks)
.and_raise(Aws::CloudFormation::Errors::ServiceError.new(double, "Error message"))
end
include_examples 'provision error', 'Failed to fetch CloudFormation stack'
end
context 'failed to create auth config map' do
before do
allow(kube_client).to receive(:create_config_map)
.and_raise(Kubeclient::HttpError.new(500, 'Error', nil))
end
include_examples 'provision error', 'Failed to run Kubeclient'
end
context 'failed to save records' do
before do
allow(provider.cluster).to receive(:save!)
.and_raise(ActiveRecord::RecordInvalid)
end
include_examples 'provision error', 'Failed to configure EKS provider'
end
end
end
end