Revision 6c0af70e lib/backend.py
| b/lib/backend.py | ||
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| 1477 | 1477 |
return config |
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def ImportOSIntoInstance(instance, os_disk, swap_disk, src_node, src_image, |
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cluster_name): |
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def ImportOSIntoInstance(instance, src_node, src_images, cluster_name): |
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"""Import an os image into an instance. |
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Args: |
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instance: the instance object |
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os_disk: the instance-visible name of the os device |
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swap_disk: the instance-visible name of the swap device |
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src_node: node holding the source image |
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src_image: path to the source image on src_node |
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Returns: |
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False in case of error, True otherwise. |
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@type instance: L{objects.instance}
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@param instance: instance to import the disks into |
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@type src_node: string |
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@param src_node: source node for the disk images |
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@type src_images: list of string |
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@param src_images: absolute paths of the disk images |
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@rtype: list of boolean |
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@return: each boolean represent the success of importing the n-th disk |
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""" |
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# TODO(ultrotter): Import/Export still to be converted to OS API 10 |
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logging.error("Import/Export still to be converted to OS API 10")
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return False |
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import_env = OSEnvironment(instance) |
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inst_os = OSFromDisk(instance.os) |
| 1500 | 1495 |
import_script = inst_os.import_script |
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os_device = instance.FindDisk(os_disk) |
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if os_device is None: |
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logging.error("Can't find this device-visible name '%s'", os_disk)
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return False |
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swap_device = instance.FindDisk(swap_disk) |
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if swap_device is None: |
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logging.error("Can't find this device-visible name '%s'", swap_disk)
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return False |
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real_os_dev = _RecursiveFindBD(os_device) |
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if real_os_dev is None: |
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raise errors.BlockDeviceError("Block device '%s' is not set up" %
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str(os_device)) |
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real_os_dev.Open() |
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real_swap_dev = _RecursiveFindBD(swap_device) |
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if real_swap_dev is None: |
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raise errors.BlockDeviceError("Block device '%s' is not set up" %
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str(swap_device)) |
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real_swap_dev.Open() |
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logfile = "%s/import-%s-%s-%s.log" % (constants.LOG_OS_DIR, instance.os, |
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instance.name, int(time.time())) |
| 1526 | 1499 |
if not os.path.exists(constants.LOG_OS_DIR): |
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os.mkdir(constants.LOG_OS_DIR, 0750) |
| 1528 | 1501 |
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destcmd = utils.BuildShellCmd('cat %s', src_image)
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remotecmd = _GetSshRunner(cluster_name).BuildCmd(src_node, |
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constants.GANETI_RUNAS, |
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destcmd) |
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comprcmd = "gunzip" |
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impcmd = utils.BuildShellCmd("(cd %s; %s -i %s -b %s -s %s &>%s)",
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inst_os.path, import_script, instance.name, |
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real_os_dev.dev_path, real_swap_dev.dev_path, |
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impcmd = utils.BuildShellCmd("(cd %s; %s &>%s)", inst_os.path, import_script,
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logfile) |
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command = '|'.join([utils.ShellQuoteArgs(remotecmd), comprcmd, impcmd]) |
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env = {'HYPERVISOR': instance.hypervisor}
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result = utils.RunCmd(command, env=env) |
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if result.failed: |
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logging.error("os import command '%s' returned error: %s"
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" output: %s", command, result.fail_reason, result.output) |
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return False |
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final_result = [] |
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for idx, image in enumerate(src_images): |
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if image: |
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destcmd = utils.BuildShellCmd('cat %s', image)
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remotecmd = _GetSshRunner(cluster_name).BuildCmd(src_node, |
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constants.GANETI_RUNAS, |
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destcmd) |
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command = '|'.join([utils.ShellQuoteArgs(remotecmd), comprcmd, impcmd]) |
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import_env['IMPORT_DEVICE'] = import_env['DISK_%d_PATH' % idx] |
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result = utils.RunCmd(command, env=import_env) |
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if result.failed: |
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logging.error("disk import command '%s' returned error: %s"
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" output: %s", command, result.fail_reason, result.output) |
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final_result.append(False) |
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else: |
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final_result.append(True) |
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else: |
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final_result.append(True) |
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return True
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return final_result
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def ListExports(): |
Also available in: Unified diff