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Viewing changes to curtin/block/__init__.py

  • Committer: Package Import Robot
  • Author(s): Scott Moser
  • Date: 2014-07-22 18:53:38 UTC
  • mfrom: (1.1.13)
  • Revision ID: package-import@ubuntu.com-20140722185338-2nm6ekaottq6ldge
Tags: 0.1.0~bzr142-0ubuntu1
https://launchpad.net/bugs/1338851
https://launchpad.net/bugs/1340942
https://launchpad.net/bugs/1328521
https://launchpad.net/bugs/1307636
https://launchpad.net/bugs/1306164
* New upstream snapshot.
  * add utility for parsing /etc/network/interfaces
  * aarm64 support [Newell Jensen]
    * run update-initramfs in aarm64
    * create boot partition when necessary (LP: #1338851 LP: #1340942)
  * know kernel mapping for utopic (3.16)
  * properly write fstype into /etc/fstab per provided fstype
  * add support for disk images as type 'dd-tgz'
  * correctly call finalize in target (LP: #1328521)
  * support invoking tar with --xattrs if available (LP: #1307636)
  * increase size of uefi partition to 512M (LP: #1306164)

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curtin/block/__init__.py
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import os
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import stat
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import shlex
 
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import tempfile
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from curtin import util
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    return (diskdevpath, ptnum)
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def get_pardevs_on_blockdevs(devs):
 
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    if devs is None:
 
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        devs = []
 
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    devs = [get_dev_name_entry(d)[1] for d in devs]
 
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    found = _lsblock(devs)
 
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    ret = {}
 
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    for short in found:
 
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        if found[short]['device_path'] not in devs:
 
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            ret[short] = found[short]
 
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    return ret
 
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def get_root_device(dev):
 
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    """
 
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    Get root partition for specified device
 
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    """
 
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    partitions = get_pardevs_on_blockdevs(dev)
 
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    target = None
 
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    for i in partitions:
 
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        dev_path = partitions[i]['device_path']
 
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        tmp_mount = tempfile.mkdtemp()
 
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        try:
 
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            util.do_mount(dev_path, tmp_mount)
 
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            curtin_dir = os.path.join(tmp_mount, 'curtin')
 
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            if os.path.isdir(curtin_dir) is False:
 
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                continue
 
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            target = dev_path
 
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            util.do_umount(tmp_mount)
 
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        except:
 
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            util.do_umount(tmp_mount)
 
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    if target is None:
 
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        raise ValueError("Could not find root device")
 
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    return target
 
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