@@ -530,6 +530,16 @@ class PartitionedImage():
exec_native_cmd("parted -s %s mklabel %s" % (device, ptable_format),
self.native_sysroot)
+ def _write_disk_guid(self):
+ if self.ptable_format in ('gpt', 'gpt-hybrid'):
+ if os.getenv('SOURCE_DATE_EPOCH'):
+ self.disk_guid = uuid.UUID(int=int(os.getenv('SOURCE_DATE_EPOCH')))
+ else:
+ self.disk_guid = uuid.uuid4()
+
+ logger.debug("Set disk guid %s", self.disk_guid)
+ sfdisk_cmd = "sfdisk --disk-id %s %s" % (self.path, self.disk_guid)
+ exec_native_cmd(sfdisk_cmd, self.native_sysroot)
def create(self):
self._make_disk(self.path,
@@ -537,6 +547,7 @@ class PartitionedImage():
self.min_size)
self._write_identifier(self.path, self.identifier)
+ self._write_disk_guid()
if self.ptable_format == "gpt-hybrid":
mbr_path = self.path + ".mbr"
GPT based disks have a disk guid apart from the 32-bit disk identifier. This commit implements reproducible disk guid by using SOURCE_DATE_EPOCH (if available) value as a random seed Signed-off-by: Adithya Balakumar <Adithya.Balakumar@toshiba-tsip.com> --- scripts/lib/wic/plugins/imager/direct.py | 11 +++++++++++ 1 file changed, 11 insertions(+)