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# frozen_string_literal: true
module Gitlab
module Kas
class Client
TIMEOUT = 2.seconds.freeze
JWT_AUDIENCE = 'gitlab-kas'
STUB_CLASSES = {
configuration_project: Gitlab::Agent::ConfigurationProject::Rpc::ConfigurationProject::Stub
}.freeze
ConfigurationError = Class.new(StandardError)
def initialize
raise ConfigurationError, 'GitLab KAS is not enabled' unless Gitlab::Kas.enabled?
raise ConfigurationError, 'KAS internal URL is not configured' unless Gitlab::Kas.internal_url.present?
end
def list_agent_config_files(project:)
request = Gitlab::Agent::ConfigurationProject::Rpc::ListAgentConfigFilesRequest.new(
repository: repository(project),
gitaly_address: gitaly_address(project)
)
stub_for(:configuration_project)
.list_agent_config_files(request, metadata: metadata)
.config_files
.to_a
end
private
def stub_for(service)
@stubs ||= {}
@stubs[service] ||= STUB_CLASSES.fetch(service).new(kas_endpoint_url, credentials, timeout: TIMEOUT)
end
def repository(project)
gitaly_repository = project.repository.gitaly_repository
Gitlab::Agent::Modserver::Repository.new(gitaly_repository.to_h)
end
def gitaly_address(project)
connection_data = Gitlab::GitalyClient.connection_data(project.repository_storage)
Gitlab::Agent::Modserver::GitalyAddress.new(connection_data)
end
def kas_endpoint_url
Gitlab::Kas.internal_url.sub(%r{^grpc://|^grpcs://}, '')
end
def credentials
if URI(Gitlab::Kas.internal_url).scheme == 'grpcs'
GRPC::Core::ChannelCredentials.new
else
:this_channel_is_insecure
end
end
def metadata
{ 'authorization' => "bearer #{token}" }
end
def token
JSONWebToken::HMACToken.new(Gitlab::Kas.secret).tap do |token|
token.issuer = Settings.gitlab.host
token.audience = JWT_AUDIENCE
end.encoded
end
end
end
end
|
