def _GetImageParams(image):
"""Returns the parameters of a single DLC image.
Args:
image: The input image.
Returns:
Same values as _GetDlcImageParams()
"""
mount_point = os.path.join(self.work_dir, 'mount-point')
osutils.MountDir(image, mount_point, mount_opts=('ro', ))
try:
lsb_release = utils.ReadLsbRelease(mount_point)
finally:
osutils.UmountDir(mount_point)
dlc_id = lsb_release[build_dlc.DLC_ID_KEY]
dlc_package = lsb_release[build_dlc.DLC_PACKAGE_KEY]
appid = lsb_release[build_dlc.DLC_APPID_KEY]
if gspaths.IsDLCImage(image):
if dlc_id != image.dlc_id:
raise Error(
'The DLC ID (%s) inferred from the file path does not '
'match the one (%s) from the lsb-release.' %
(image.dlc_id, dlc_id))
if dlc_package != image.dlc_package:
raise Error(
'The DLC package (%s) inferred from the file path '
'does not match the one (%s) from the lsb-release.' %
(image.dlc_package, dlc_package))
return dlc_id, dlc_package, appid
def _ShouldSign(self, image):
"""Whether to sign the image.
Args:
image: an image object.
Returns:
True if to sign the image, false if not to sign the image.
"""
return gspaths.IsImage(image) or gspaths.IsDLCImage(image)
def _DefaultPayloadUri(payload, random_str=None):
"""Compute the default output URI for a payload.
For a glob that matches all potential URIs for this
payload, pass in a random_str of '*'.
Args:
payload: gspaths.Payload instance.
random_str: A hook to force a specific random_str. None means generate it.
Returns:
Default URI for the payload.
"""
src_version = None
if payload.src_image:
src_version = payload.src_image.build.version
if gspaths.IsDLCImage(payload.tgt_image):
# Signed DLC payload.
return gspaths.ChromeosReleases.DLCPayloadUri(
payload.build,
random_str=random_str,
dlc_id=payload.tgt_image.dlc_id,
dlc_package=payload.tgt_image.dlc_package,
image_channel=payload.tgt_image.image_channel,
image_version=payload.tgt_image.image_version,
src_version=src_version)
elif gspaths.IsImage(payload.tgt_image):
# Signed payload.
return gspaths.ChromeosReleases.PayloadUri(
payload.build,
random_str=random_str,
key=payload.tgt_image.key,
image_channel=payload.tgt_image.image_channel,
image_version=payload.tgt_image.image_version,
src_version=src_version)
elif gspaths.IsUnsignedImageArchive(payload.tgt_image):
# Unsigned test payload.
return gspaths.ChromeosReleases.PayloadUri(payload.build,
random_str=random_str,
src_version=src_version)
else:
raise Error('Unknown image type %s' % type(payload.tgt_image))