debian-mirror-gitlab/app/services/clusters/aws/finalize_creation_service.rb

140 lines
4 KiB
Ruby
Raw Normal View History

2019-12-26 22:10:19 +05:30
# frozen_string_literal: true
module Clusters
module Aws
class FinalizeCreationService
include Gitlab::Utils::StrongMemoize
attr_reader :provider
delegate :cluster, to: :provider
def execute(provider)
@provider = provider
configure_provider
create_gitlab_service_account!
configure_platform_kubernetes
configure_node_authentication!
cluster.save!
rescue ::Aws::CloudFormation::Errors::ServiceError => e
log_service_error(e.class.name, provider.id, e.message)
provider.make_errored!(s_('ClusterIntegration|Failed to fetch CloudFormation stack: %{message}') % { message: e.message })
rescue Kubeclient::HttpError => e
log_service_error(e.class.name, provider.id, e.message)
provider.make_errored!(s_('ClusterIntegration|Failed to run Kubeclient: %{message}') % { message: e.message })
rescue ActiveRecord::RecordInvalid => e
log_service_error(e.class.name, provider.id, e.message)
provider.make_errored!(s_('ClusterIntegration|Failed to configure EKS provider: %{message}') % { message: e.message })
end
private
def create_gitlab_service_account!
Clusters::Kubernetes::CreateOrUpdateServiceAccountService.gitlab_creator(
kube_client,
rbac: true
).execute
end
def configure_provider
provider.status_event = :make_created
end
def configure_platform_kubernetes
cluster.build_platform_kubernetes(
api_url: cluster_endpoint,
ca_cert: cluster_certificate,
token: request_kubernetes_token)
end
def request_kubernetes_token
Clusters::Kubernetes::FetchKubernetesTokenService.new(
kube_client,
Clusters::Kubernetes::GITLAB_ADMIN_TOKEN_NAME,
Clusters::Kubernetes::GITLAB_SERVICE_ACCOUNT_NAMESPACE
).execute
end
def kube_client
@kube_client ||= build_kube_client!(
cluster_endpoint,
cluster_certificate
)
end
def build_kube_client!(api_url, ca_pem)
raise "Incomplete settings" unless api_url
Gitlab::Kubernetes::KubeClient.new(
api_url,
auth_options: kubeclient_auth_options,
ssl_options: kubeclient_ssl_options(ca_pem),
http_proxy_uri: ENV['http_proxy']
)
end
def kubeclient_auth_options
{ bearer_token: Kubeclient::AmazonEksCredentials.token(provider.credentials, cluster.name) }
end
def kubeclient_ssl_options(ca_pem)
opts = { verify_ssl: OpenSSL::SSL::VERIFY_PEER }
if ca_pem.present?
opts[:cert_store] = OpenSSL::X509::Store.new
opts[:cert_store].add_cert(OpenSSL::X509::Certificate.new(ca_pem))
end
opts
end
def cluster_stack
@cluster_stack ||= provider.api_client.describe_stacks(stack_name: provider.cluster.name).stacks.first
end
def stack_output_value(key)
cluster_stack.outputs.detect { |output| output.output_key == key }.output_value
end
def node_instance_role_arn
stack_output_value('NodeInstanceRole')
end
def cluster_endpoint
strong_memoize(:cluster_endpoint) do
stack_output_value('ClusterEndpoint')
end
end
def cluster_certificate
strong_memoize(:cluster_certificate) do
Base64.decode64(stack_output_value('ClusterCertificate'))
end
end
def configure_node_authentication!
kube_client.create_config_map(node_authentication_config)
end
def node_authentication_config
Gitlab::Kubernetes::ConfigMaps::AwsNodeAuth.new(node_instance_role_arn).generate
end
def logger
@logger ||= Gitlab::Kubernetes::Logger.build
end
def log_service_error(exception, provider_id, message)
logger.error(
exception: exception.class.name,
service: self.class.name,
provider_id: provider_id,
message: message
)
end
end
end
end