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

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2019-12-26 22:10:19 +05:30
# frozen_string_literal: true
module Clusters
module Aws
class ProvisionService
attr_reader :provider
def execute(provider)
@provider = provider
configure_provider_credentials
provision_cluster
if provider.make_creating
WaitForClusterCreationWorker.perform_in(
Clusters::Aws::VerifyProvisionStatusService::INITIAL_INTERVAL,
provider.cluster_id
)
else
provider.make_errored!("Failed to update provider record; #{provider.errors.full_messages}")
end
rescue Clusters::Aws::FetchCredentialsService::MissingRoleError
provider.make_errored!('Amazon role is not configured')
rescue ::Aws::Errors::MissingCredentialsError
provider.make_errored!('Amazon credentials are not configured')
rescue ::Aws::STS::Errors::ServiceError => e
provider.make_errored!("Amazon authentication failed; #{e.message}")
rescue ::Aws::CloudFormation::Errors::ServiceError => e
provider.make_errored!("Amazon CloudFormation request failed; #{e.message}")
end
private
def provision_role
provider.created_by_user&.aws_role
end
def credentials
@credentials ||= Clusters::Aws::FetchCredentialsService.new(
provision_role,
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provider: provider
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).execute
end
def configure_provider_credentials
provider.update!(
access_key_id: credentials.access_key_id,
secret_access_key: credentials.secret_access_key,
session_token: credentials.session_token
)
end
def provision_cluster
provider.api_client.create_stack(
stack_name: provider.cluster.name,
template_body: stack_template,
parameters: parameters,
capabilities: ["CAPABILITY_IAM"]
)
end
def parameters
[
parameter('ClusterName', provider.cluster.name),
parameter('ClusterRole', provider.role_arn),
parameter('ClusterControlPlaneSecurityGroup', provider.security_group_id),
parameter('VpcId', provider.vpc_id),
parameter('Subnets', provider.subnet_ids.join(',')),
parameter('NodeAutoScalingGroupDesiredCapacity', provider.num_nodes.to_s),
parameter('NodeInstanceType', provider.instance_type),
parameter('KeyName', provider.key_name)
]
end
def parameter(key, value)
{ parameter_key: key, parameter_value: value }
end
def stack_template
File.read(Rails.root.join('vendor', 'aws', 'cloudformation', 'eks_cluster.yaml'))
end
end
end
end