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livemedia-creator: Removed unused ImageMount class

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This commit is contained in:
Brian C. Lane 2012-05-14 10:46:31 -07:00
parent 4b368aab87
commit 01f6f9f242
1 changed files with 0 additions and 68 deletions
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68
src/sbin/livemedia-creator
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@ -216,74 +216,6 @@ class IsoMountpoint(object):
return
class ImageMount(object):
"""
# kpartx -p p -v -a /tmp/diskV2DiCW.im
# add map loop2p1 (253:2): 0 3481600 linear /dev/loop2 2048
# add map loop2p2 (253:3): 0 614400 linear /dev/loop2 3483648
Find the / partition and only mount that
"""
def __init__(self, disk_img):
"""
Use kpartx to mount an image onto temporary directories
return a list of the dirs
"""
self.disk_img = disk_img
# call kpartx and parse the output
cmd = [ "kpartx", "-v", "-p", "p", "-a", disk_img ]
log.debug( cmd )
kpartx_output = execWithCapture( cmd[0], cmd[1:] )
log.debug( kpartx_output )
self.loop_devices = []
for line in kpartx_output.splitlines():
# add map loop2p3 (253:4): 0 7139328 linear /dev/loop2 528384
# 3rd element is size in 512 byte blocks
if line.startswith("add map "):
fields = line[8:].split()
self.loop_devices.append((fields[0], int(fields[3])*512))
log.debug( self.loop_devices )
# Mount the devices, if possible
self.mount_dir = None
mount_dir = tempfile.mkdtemp()
for dev, size in self.loop_devices:
cmd = ["mount", "/dev/mapper/"+dev, mount_dir]
log.debug( cmd )
try:
execWithRedirect( cmd[0], cmd[1:] )
if os.path.isfile(mount_dir+"/etc/fstab"):
self.mount_dir = mount_dir
self.mount_dev = dev
self.mount_size = size
break
cmd = ["umount", mount_dir]
execWithRedirect( cmd[0], cmd[1:] )
except subprocess.CalledProcessError:
log.debug( traceback.format_exc() )
if self.mount_dir:
log.info( "Found root partition, mounted on {0}".format(self.mount_dir) )
log.info( "size = {0}".format(self.mount_size) )
def umount(self):
"""
unmount the disk image
"""
if self.mount_dir:
cmd = ["umount", self.mount_dir]
log.debug( cmd )
execWithRedirect( cmd[0], cmd[1:] )
os.rmdir(self.mount_dir)
self.mount_dir = None
cmd = ["kpartx", "-d", self.disk_img]
log.debug( cmd )
execWithRedirect( cmd[0], cmd[1:] )
class VirtualInstall( object ):
"""
Run virt-install using an iso and kickstart(s)