def get(self):
for cdrom in ifilter(lambda x:x.startswith('/sys/block/sr'),
listDirectory('/sys/block',fullPath=True)):
if getUdevDeviceInfo(path=cdrom).get('ID_CDROM','') == "1":
return "on"
else:
return "off"
def set(self,value):
"""
If device in calculate3.env dev_from not exists set ''
"""
if value:
value = getUdevDeviceInfo(name=value).get('DEVNAME',value)
if value in self.Get('os_disk_dev'):
return value
else:
return ""
def get(self):
"""Root filesystem device"""
record = readFile('/proc/cmdline').strip()
re_resRealRoot=re.search('(?:^|\s)real_root=(\S+)(\s|$)',record)
re_resFakeRoot=re.search('(?:^|\s)root=(\S+)(\s|$)',record)
# param real_root priority that root
re_res = re_resRealRoot or re_resFakeRoot
if re_res:
rootparam=re_res.group(1)
# check root for /dev/sd view
if re.match("^\/dev\/[a-z]+.*$", rootparam):
return getUdevDeviceInfo(
name=rootparam.strip()).get('DEVNAME',rootparam)
# check root set by uuid
if re.match("^UUID=.*$",rootparam):
uuid = rootparam[5:].strip("\"'")
blkidProcess = process('/sbin/blkid','-c','/dev/null','-U',
uuid)
if blkidProcess.success():
return getUdevDeviceInfo(
name=blkidProcess.read().strip()).get('DEVNAME','')
# check root set by label
if re.match("^LABEL=.*$",rootparam):
uuid = rootparam[6:].strip("\"'")
blkidProcess = process('/sbin/blkid','-c','/dev/null','-L',
uuid)
if blkidProcess.success():
return getUdevDeviceInfo(
name=blkidProcess.read().strip()).get('DEVNAME','')
# get device mounted to root
dfProcess = process('df','/',envdict={'LANG':'C'})
if dfProcess.failed():
return ""
dfLines = dfProcess.readlines()
if len(dfLines)>1:
root_dev = dfLines[1].split(" ")[0].strip()
if root_dev:
return {'none':'/dev/ram0'}.get(root_dev,root_dev)
return ""
def setupSystem(self,variables):
self.initVars(variables)
target = None
setupType = self.clVars.Get('cl_setup',humanreadable=True)
if setupType:
self.startTask((_("%s are being configured")%
setupType).capitalize(),progress=True)
else:
self.startTask(_("System configuration"),progress=True)
refreshLVM()
res = self.applyTemplatesStartup()
self.endTask()
if setupType and self.clVars.Get('cl_setup') == 'network':
pass
if not setupType or self.clVars.Get('cl_setup') == 'video':
self.setupVideo()
if setupType and self.clVars.Get('cl_setup') == 'users':
pass
if self.clVars.Get('cl_setup') == 'boot' and \
self.clVars.Get('os_root_type') != 'livecd':
target = self.clVars.Get('cl_image')
if self.clVars.Get('os_install_mbr'):
self.startTask(_("Installing the bootloader"))
self.prepareBoot(target)
self.endTask()
root_dev = self.clVars.Select('os_disk_parent',
where='os_disk_mount',
eq='/',limit=1)
if root_dev:
self.startTask(_("Changing the I/O scheduler"))
try:
schedpath = ("/sys%s/queue/scheduler"%
(getUdevDeviceInfo(name=root_dev).get('DEVPATH','')))
if path.exists(schedpath):
open(schedpath,'w').write(
self.clVars.Get('os_install_kernel_scheduler'))
self.endTask()
except:
self.printERROR(_("Unable to change the I/O scheduler"))
pass
return True
def setActivePartition(self,partition):
"""Change partition id, specified by systemid,set active"""
deviceName = detectDeviceForPartition(partition)
if deviceName is None:
raise DistributiveError(
_("Failed to determine the parent device for %s")%partition)
# device hasn't any partition
elif deviceName == "":
return True
fdiskProg, gdiskProg, partedProg = checkUtils('/sbin/fdisk',
'/usr/sbin/gdisk','/usr/sbin/parted')
disk = self.clVars.Select('os_install_disk_parent',
where='os_install_disk_dev',eq=partition,
limit=1)
parttable = self.clVars.Select('os_device_table',where='os_device_dev',
eq=disk,limit=1)
partitionNumber = \
getUdevDeviceInfo(name=partition).get('ID_PART_ENTRY_NUMBER','') or \
getUdevDeviceInfo(name=partition).get('UDISKS_PARTITION_NUMBER','')
devicePartitionCount = countPartitions(deviceName)
if deviceName and not partitionNumber:
raise DistributiveError(
_("Failed to determine the partition number for %s")%partition)
bootFlag = "boot" if parttable == "dos" else "legacy_boot"
if parttable == "dos":
fdisk = process(fdiskProg, "-l",deviceName)
DEVICENUM,AFLAG = 0,1
changeActive = \
map(lambda x:x[DEVICENUM],
filter(lambda x:x[DEVICENUM] != partitionNumber and \
x[AFLAG] == "*" or \
x[DEVICENUM] == partitionNumber and \
not x[AFLAG] == "*",
list(map(lambda x:[str(x[0]),x[1][1].strip()],
# enumerate partitions
enumerate(filter(None,
map(lambda x:x.split()[:2],
# drop string before information about partitions
dropwhile(lambda x:not x.lstrip().startswith("Device"),
fdisk.readlines()))))))[1:]))
else:
parted = process(partedProg, "-m",deviceName,"print")
DEVICENUM,FLAGS = 0,6
changeActive = \
map(lambda x:x[DEVICENUM],
filter(lambda x:x[DEVICENUM] != partitionNumber and \
bootFlag in x[FLAGS].strip(';').split(', ') or \
x[DEVICENUM] == partitionNumber and \
not bootFlag in x[FLAGS].strip(';').split(', '),
filter(lambda x:len(x)>=7,
map(lambda x:x.split(':'),
parted.readlines()[2:]))))
if not changeActive:
return True
if parttable == "dos":
pipe = Popen([fdiskProg,deviceName],
stdin=PIPE, stdout=PIPE,stderr=PIPE)
for partnum in changeActive:
pipe.stdin.write("a\n%s\n"%partnum)
pipe.stdin.write("w\n")
pipe.stdin.close()
pipe.wait()
elif parttable == "gpt":
pipe = Popen([gdiskProg,deviceName],
stdin=PIPE, stdout=PIPE,stderr=PIPE)
if devicePartitionCount > 1:
pipe.stdin.write("x\n")
for partnum in changeActive:
pipe.stdin.write("a\n%s\n2\n\n"%partnum)
pipe.stdin.write("w\nY\n")
else:
pipe.stdin.write("x\na\n2\n\nw\nY\n")
pipe.stdin.close()
pipe.wait()
for waittime in (0.1,0.2,0.5,1,2,4):
if path.exists(partition):
return True
else:
sleep(waittime)
raise InstallError(
_("Failed to find partition %s after changing the activity")%
partition)
