def parse_v2(cls, service_names, volume_from_config):
parts = volume_from_config.split(':')
if len(parts) > 3:
raise ConfigurationError(
"volume_from {} has incorrect format, should be one of "
"'<service name>[:<mode>]' or "
"'container:<container name>[:<mode>]'".format(
volume_from_config))
if len(parts) == 1:
source = parts[0]
return cls(source, 'rw', 'service')
if len(parts) == 2:
if parts[0] == 'container':
type, source = parts
return cls(source, 'rw', type)
source, mode = parts
return cls(source, mode, 'service')
if len(parts) == 3:
type, source, mode = parts
if type not in ('service', 'container'):
raise ConfigurationError(
"Unknown volumes_from type '{}' in '{}'".format(
type, volume_from_config))
return cls(source, mode, type)
def _parse_win32(cls, volume_config):
# relative paths in windows expand to include the drive, eg C:\
# so we join the first 2 parts back together to count as one
mode = 'rw'
def separate_next_section(volume_config):
drive, tail = splitdrive(volume_config)
parts = tail.split(':', 1)
if drive:
parts[0] = drive + parts[0]
return parts
parts = separate_next_section(volume_config)
if len(parts) == 1:
internal = normalize_path_for_engine(os.path.normpath(parts[0]))
external = None
else:
external = parts[0]
parts = separate_next_section(parts[1])
external = normalize_path_for_engine(os.path.normpath(external))
internal = normalize_path_for_engine(os.path.normpath(parts[0]))
if len(parts) > 1:
if ':' in parts[1]:
raise ConfigurationError(
"Volume %s has incorrect format, should be "
"external:internal[:mode]" % volume_config)
mode = parts[1]
return cls(external, internal, mode)
def parse(cls, volume_config):
"""Parse a volume_config path and split it into external:internal[:mode]
parts to be returned as a valid VolumeSpec.
"""
if IS_WINDOWS_PLATFORM:
# relative paths in windows expand to include the drive, eg C:\
# so we join the first 2 parts back together to count as one
drive, tail = os.path.splitdrive(volume_config)
parts = tail.split(":")
if drive:
parts[0] = drive + parts[0]
else:
parts = volume_config.split(':')
if len(parts) > 3:
raise ConfigurationError(
"Volume %s has incorrect format, should be "
"external:internal[:mode]" % volume_config)
if len(parts) == 1:
external, internal = normalize_paths_for_engine(
None, os.path.normpath(parts[0]))
else:
external, internal = normalize_paths_for_engine(
os.path.normpath(parts[0]), os.path.normpath(parts[1]))
mode = 'rw'
if len(parts) == 3:
mode = parts[2]
return cls(external, internal, mode)
def parse_restart_spec(restart_config):
if not restart_config:
return None
parts = restart_config.split(':')
if len(parts) > 2:
raise ConfigurationError("Restart %s has incorrect format, should be "
"mode[:max_retry]" % restart_config)
if len(parts) == 2:
name, max_retry_count = parts
else:
name, = parts
max_retry_count = 0
return {'Name': name, 'MaximumRetryCount': int(max_retry_count)}
def parse(cls, volume_from_config):
parts = volume_from_config.split(':')
if len(parts) > 2:
raise ConfigurationError(
"volume_from {} has incorrect format, should be "
"service[:mode]".format(volume_from_config))
if len(parts) == 1:
source = parts[0]
mode = 'rw'
else:
source, mode = parts
return cls(source, mode)
def parse_v1(cls, service_names, volume_from_config):
parts = volume_from_config.split(':')
if len(parts) > 2:
raise ConfigurationError(
"volume_from {} has incorrect format, should be "
"service[:mode]".format(volume_from_config))
if len(parts) == 1:
source = parts[0]
mode = 'rw'
else:
source, mode = parts
type = 'service' if source in service_names else 'container'
return cls(source, mode, type)
def _parse_unix(cls, volume_config):
parts = volume_config.split(':')
if len(parts) > 3:
raise ConfigurationError(
"Volume %s has incorrect format, should be "
"external:internal[:mode]" % volume_config)
if len(parts) == 1:
external = None
internal = os.path.normpath(parts[0])
else:
external = os.path.normpath(parts[0])
internal = os.path.normpath(parts[1])
mode = 'rw'
if len(parts) == 3:
mode = parts[2]
return cls(external, internal, mode)