def putPartition(self, exchangeDesc, compress):
number = exchangeDesc.number
cfg = exchangeDesc.config
loc = exchangeDesc.exchangeloc
if cfg['storage'] == 'block':
support.dd(count=cfg['size'], seek=cfg['start'], infile=loc, \
outfile=self.node, bs=512)
#TODO - Do you need to restore the disk label byte for a block put
if cfg['storage'] == 'tarball':
#TODO - Migrage the partition creation code here
#support.createFS()
self.mountDir = os.path.join(self.exchangeDir, \
"mount" + str(number))
os.mkdir(self.mountDir)
support.mount(device=self.node + str(number), dest=self.mountDir)
#Extract the exchange file to the new partition
efd = open(loc, 'r')
#tarp = support.tarExtract_Process(self.mountDir)
#subprocess.call(compress.getDecompressOpts(),
# stdin=efd, stdout=tarp.stdin)
q = subprocess.Popen(compress.getDecompressOpts(),
stdin=efd,
stdout=subprocess.PIPE)
p = support.tarExtract_Process(self.mountDir, stdin=q.stdout)
p.wait()
q.wait()
efd.close()
#support.tar(tarfile=loc, target='', options='xzf', \
# cwd=self.mountDir)
support.umount(self.mountDir)
support.writePartID(self.node, number, int(cfg['label']))
def putMBR(self, mbrloc, codeonly=False):
#if we've rewritten the partition table, we only want to copy in the
#bootstrap code from the original MBR, which is on bytes [0, 444]
if codeonly:
support.dd(count=1, infile=mbrloc, outfile=self.node, bs=445)
else:
support.dd(count=1, infile=mbrloc, outfile=self.node, bs=512)
def getMBR(self):
self.exchangeMBR = os.path.join(self.exchangeDir, "MBR")
support.dd(count=1, infile=self.dev.path, \
bs=512, outfile=self.exchangeMBR)
return self.exchangeMBR