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backup: improved error handling during restore process

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This commit is contained in:
Olivier MEDOC 2013-10-01 12:09:13 +02:00
parent 04d38055a6
commit 3e4637415a
1 changed files with 12 additions and 2 deletions
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14
dom0/qvm-core/qubesutils.py
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@ -1522,7 +1522,7 @@ def backup_restore_header(restore_target, passphrase, encrypt=False, appvm=None)
qvm_collection.unlock_db()
# If APPVM, STDOUT is a PIPE
vmproc = vm.run(command = restore_command, passio_popen = True)
vmproc = vm.run(command = restore_command, passio_popen = True, passio_stderr = True)
vmproc.stdin.write(restore_target.replace("\r","").replace("\n","")+"\n")
else:
@ -1544,9 +1544,19 @@ def backup_restore_header(restore_target, passphrase, encrypt=False, appvm=None)
while not os.path.exists(os.path.join(backup_tmpdir,hmacfile)):
time.sleep(1000)
command.terminate()
command.wait()
if vmproc.poll() != None and vmproc.poll() != 0:
error = vmproc.stderr.read()
print error,vmproc.poll(),command.poll()
raise QubesException("ERROR: retrieving backup headers:{0}".format(error))
elif command.poll() != None and command.poll() not in [0,-15]:
error = command.stderr.read()
print error,vmproc.poll(),command.poll()
raise QubesException("ERROR: retrieving backup headers:{0}".format(error))
vmproc.terminate()
vmproc.wait()