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# frozen_string_literal: true
module ContainerRegistry
class GitlabApiClient < BaseClient
include Gitlab::Utils::StrongMemoize
JSON_TYPE = 'application/json'
CANCEL_RESPONSE_STATUS_HEADER = 'status'
IMPORT_RESPONSES = {
200 => :already_imported,
202 => :ok,
400 => :bad_request,
401 => :unauthorized,
404 => :not_found,
409 => :already_being_imported,
424 => :pre_import_failed,
425 => :already_being_imported,
429 => :too_many_imports
}.freeze
REGISTRY_GITLAB_V1_API_FEATURE = 'gitlab_v1_api'
MAX_TAGS_PAGE_SIZE = 1000
def self.supports_gitlab_api?
with_dummy_client(return_value_if_disabled: false) do |client|
client.supports_gitlab_api?
end
end
def self.deduplicated_size(path)
with_dummy_client(token_config: { type: :nested_repositories_token, path: path&.downcase }) do |client|
client.repository_details(path&.downcase, sizing: :self_with_descendants)['size_bytes']
end
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#compliance-check
def supports_gitlab_api?
strong_memoize(:supports_gitlab_api) do
registry_features = Gitlab::CurrentSettings.container_registry_features || []
next true if ::Gitlab.com? && registry_features.include?(REGISTRY_GITLAB_V1_API_FEATURE)
with_token_faraday do |faraday_client|
response = faraday_client.get('/gitlab/v1/')
response.success? || response.status == 401
end
end
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#import-repository
def pre_import_repository(path)
response = start_import_for(path, pre: true)
IMPORT_RESPONSES.fetch(response.status, :error)
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#import-repository
def import_repository(path)
response = start_import_for(path, pre: false)
IMPORT_RESPONSES.fetch(response.status, :error)
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#cancel-repository-import
def cancel_repository_import(path, force: false)
response = with_import_token_faraday do |faraday_client|
faraday_client.delete(import_url_for(path)) do |req|
req.params['force'] = true if force
end
end
status = IMPORT_RESPONSES.fetch(response.status, :error)
actual_state = response.body[CANCEL_RESPONSE_STATUS_HEADER]
{ status: status, migration_state: actual_state }
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#get-repository-import-status
def import_status(path)
with_import_token_faraday do |faraday_client|
response = faraday_client.get(import_url_for(path))
# Temporary solution for https://gitlab.com/gitlab-org/gitlab/-/issues/356085#solutions
# this will trigger a `retry_pre_import`
break 'pre_import_failed' unless response.success?
body_hash = response_body(response)
body_hash&.fetch('status') || 'error'
end
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#get-repository-details
def repository_details(path, sizing: nil)
with_token_faraday do |faraday_client|
req = faraday_client.get("/gitlab/v1/repositories/#{path}/") do |req|
req.params['size'] = sizing if sizing
end
break {} unless req.success?
response_body(req)
end
end
# https://gitlab.com/gitlab-org/container-registry/-/blob/master/docs-gitlab/api.md#list-repository-tags
def tags(path, page_size: 100, last: nil)
limited_page_size = [page_size, MAX_TAGS_PAGE_SIZE].min
with_token_faraday do |faraday_client|
response = faraday_client.get("/gitlab/v1/repositories/#{path}/tags/list/") do |req|
req.params['n'] = limited_page_size
req.params['last'] = last if last
end
break {} unless response.success?
link_parser = Gitlab::Utils::LinkHeaderParser.new(response.headers['link'])
{
pagination: link_parser.parse,
response_body: response_body(response)
}
end
end
private
def start_import_for(path, pre:)
with_import_token_faraday do |faraday_client|
faraday_client.put(import_url_for(path)) do |req|
req.params['import_type'] = pre ? 'pre' : 'final'
end
end
end
def with_token_faraday
yield faraday
end
def with_import_token_faraday
yield faraday_with_import_token
end
def faraday_with_import_token(timeout_enabled: true)
@faraday_with_import_token ||= faraday_base(timeout_enabled: timeout_enabled) do |conn|
# initialize the connection with the :import_token instead of :token
initialize_connection(conn, @options.merge(token: @options[:import_token]), &method(:configure_connection))
end
end
def import_url_for(path)
"/gitlab/v1/import/#{path}/"
end
# overrides the default configuration
def configure_connection(conn)
conn.headers['Accept'] = [JSON_TYPE]
conn.response :json, content_type: JSON_TYPE
end
end
end
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