def fetch_and_save_service_config(args, token, version, filename):
try:
# build request url
service_mgmt_url = SERVICE_MGMT_URL_TEMPLATE.format(
args.management, args.service, version)
# Validate service config if we have service name and version
logging.info("Fetching the service configuration "\
"from the service management service")
# download service config
config = fetch.fetch_service_json(service_mgmt_url, token)
# Save service json for ESP
service_config = args.config_dir + "/" + filename
try:
f = open(service_config, 'w+')
json.dump(config,
f,
sort_keys=True,
indent=2,
separators=(',', ': '))
f.close()
except IOError as err:
logging.error("Cannot save service config." + err.strerror)
sys.exit(3)
except fetch.FetchError as err:
logging.error(err.message)
sys.exit(err.code)
def fetch_service_config(args, service_config):
try:
# Fetch service config
if args.service_config_url is None:
if args.service is None:
logging.info(
"Fetching the service name from the metadata service")
args.service = fetch.fetch_service_name(args.metadata)
if args.version is None:
logging.info(
"Fetching the service config ID from the metadata service")
args.version = fetch.fetch_service_config_id(args.metadata)
service_mgmt_url = SERVICE_MGMT_URL_TEMPLATE.format(
args.service, args.version)
else:
service_mgmt_url = args.service_config_url
# Get the access token
if args.service_account_key is None:
logging.info("Fetching an access token from the metadata service")
token = fetch.fetch_access_token(args.metadata)
else:
token = fetch.make_access_token(args.service_account_key)
logging.info(
"Fetching the service configuration from the service management service"
)
config = fetch.fetch_service_json(service_mgmt_url, token)
# Validate service config if we have service name and version
if args.service is not None and args.version is not None:
fetch.validate_service_config(config, args.service, args.version)
# Save service json for ESP
try:
f = open(service_config, 'w+')
json.dump(config,
f,
sort_keys=True,
indent=2,
separators=(',', ': '))
f.close()
except IOError as err:
logging.error("Cannot save service config." + err.strerror)
sys.exit(3)
except fetch.FetchError as err:
logging.error(err.message)
sys.exit(err.code)
def fetch_and_save_service_config_url(config_dir, token, service_mgmt_url, filename):
try:
# download service config
config = fetch.fetch_service_json(service_mgmt_url, token)
# Save service json for ESP
service_config = config_dir + "/" + filename
try:
f = open(service_config, 'w+')
json.dump(config, f, sort_keys=True, indent=2,
separators=(',', ': '))
f.close()
except IOError as err:
logging.error("[ESP] Cannot save service config." + err.strerror)
sys.exit(3)
except fetch.FetchError as err:
logging.error(err.message)
sys.exit(err.code)
