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#!/usr/bin/python
"""
always:
- unmount everything under /mnt/sysimage
- unmount everything under /mnt/install
image install:
- populate a devicetree with only the image "disks"
live install:
- unmount everything under /media
- populate a devicetree and tear everything down
"""
import os
import sys
live_install = "--liveinst" in sys.argv
image_install = False
# see if there are disk images to take down
sys_class_block = "/sys/class/block"
for dev in os.listdir(sys_class_block):
if not dev.startswith("dm-"):
continue
uuid = open("%s/%s/dm/uuid" % (sys_class_block, dev)).read().strip()
if uuid.startswith("ANACONDA-"):
image_install = True
break
# set the imageInstall flag so the logger won't log to the syslog
from pyanaconda.flags import flags
flags.imageInstall = True
import pyanaconda.anaconda_log
pyanaconda.anaconda_log.init()
from pyanaconda import iutil
from blivet import StorageDiscoveryConfig
from blivet.devicetree import DeviceTree
from blivet import devicelibs
storage_config = StorageDiscoveryConfig()
# find devices representing disk images
sys_class_block = "/sys/class/block"
for dev in os.listdir(sys_class_block):
if not dev.startswith("dm-"):
continue
name = open("%s/%s/dm/name" % (sys_class_block, dev)).read().strip()
uuid = open("%s/%s/dm/uuid" % (sys_class_block, dev)).read().strip()
if not name or not uuid.startswith("ANACONDA-"):
continue
loop = os.listdir("%s/%s/slaves" % (sys_class_block, dev))[0].strip()
storage_config.diskImages[name] = devicelibs.loop.get_backing_file(loop)
if not image_install:
live_install = live_install or os.path.exists("/dev/live")
# unmount filesystems
for mounted in reversed(open("/proc/mounts").readlines()):
(device, mountpoint, rest) = mounted.split(" ", 2)
if mountpoint.startswith("/mnt/anactest") or mountpoint.startswith("/run/initramfs"):
continue
# Always clean up anaconda's mountpoints.
if mountpoint.startswith("/mnt/sysimage") or mountpoint.startswith("/mnt/install"):
os.system("umount %s" % mountpoint)
# If this is for a live install, unmount any non-nodev filesystem that
# isn't related to the live image.
if ("/media" in mountpoint or device.startswith("/dev")) \
and live_install and not "live" in device:
os.system("umount %s" % mountpoint)
os.system("udevadm control --env=ANACONDA=1")
os.system("udevadm trigger --subsystem-match block")
os.system("udevadm settle")
devicetree = DeviceTree(conf=storage_config)
devicetree.populate(cleanupOnly=True)
devicetree.teardownAll()
for name in devicetree.diskImages.keys():
device = devicetree.getDeviceByName(name)
device.deactivate(recursive=True)
os.system("udevadm control --env=ANACONDA=0")
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