[Bug 1523921] Re: cloud-init disk_setup failure: 'list' object has no attribute 'splitlines'

Graham Leggett minfrin at sharp.fm
Tue Dec 8 13:51:30 UTC 2015 

This bug appears to be fixed in the dev branch of cloud-init:

http://bazaar.launchpad.net/~cloud-init-dev/cloud-
init/trunk/view/head:/cloudinit/config/cc_disk_setup.py

It doesn't appear to be fixed in the most recent Ubuntu supplied version
of cloud-init.


** Description changed:

  When cloud-init is used to partition a disk provided by AWS on Ubuntu
  v14.04, this fails.
  
  Cloud-init is configured like this:
  
  disk_setup:
-   /dev/xvdh:
-     layout: true
-     overwrite: false
-     table_type: 'mbr'
+   /dev/xvdh:
+     layout: true
+     overwrite: false
+     table_type: 'mbr'
  
  This causes cloud-init to fail as follows:
  
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Partitioning disks: {'/dev/xvdh': {'table_type': 'mbr', 'layout': True, 'overwrite': F
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Partitioning disks: {'/dev/xvdh': {'table_type': 'mbr', 'layout': True, 'overwrite': F
  alse}}
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Creating new partition table/disk
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking values for /dev/xvdh definition
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking against default devices
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking if device /dev/xvdh is a valid device
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/bin/lsblk', '--pairs', '--output', 'NAME,TYPE,FSTYPE,LABEL', '/dev/xvdh', '-
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Creating new partition table/disk
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking values for /dev/xvdh definition
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking against default devices
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking if device /dev/xvdh is a valid device
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/bin/lsblk', '--pairs', '--output', 'NAME,TYPE,FSTYPE,LABEL', '/dev/xvdh', '-
  -nodeps'] with allowed return codes [0] (shell=False, capture=True)
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking if device layout matches
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/udevadm', 'settle'] with allowed return codes [0] (shell=False, capture=True)
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/blockdev', '--rereadpt', '/dev/xvdh'] with allowed return codes [0] (shell=False, capture=True)
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/udevadm', 'settle'] with allowed return codes [0] (shell=False, capture=True)
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/sfdisk', '-l', '/dev/xvdh'] with allowed return codes [0] (shell=False, capture=True)
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking if device is safe to partition
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/bin/lsblk', '--pairs', '--output', 'NAME,TYPE,FSTYPE,LABEL', '/dev/xvdh'] with allowed return codes [0] (shell=False, capture=True)
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Creating partition on /dev/xvdh took 0.214 seconds
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[WARNING]: Failed partitioning operation#012'list' object has no attribute 'splitlines'
- Dec  8 13:23:33 zonza-hogarth-ci-black-sql01 [CLOUDINIT] util.py[DEBUG]: Failed partitioning operation#012'list' object has no attribute 'splitlines'#012Traceback (most recent call last):#012  File "/usr/lib/python2.7/dist-packages/cloudinit/config/cc_disk_setup.py", line 57, in handle#012    func=mkpart, args=(disk, definition))#012  File "/usr/lib/python2.7/dist-packages/cloudinit/util.py", line 1875, in log_time#012    ret = func(*args, **kwargs)#012  File "/usr/lib/python2.7/dist-packages/cloudinit/config/cc_disk_setup.py", line 684, in mkpart#012    if not overwrite and (is_disk_used(device) or is_filesystem(device)):#012  File "/usr/lib/python2.7/dist-packages/cloudinit/config/cc_disk_setup.py", line 308, in is_disk_used#012    if len(use_count.splitlines()) > 1:#012AttributeError: 'list' object has no attribute 'splitlines'
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking if device layout matches
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/udevadm', 'settle'] with allowed return codes [0] (shell=False, capture=True)
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/blockdev', '--rereadpt', '/dev/xvdh'] with allowed return codes [0] (shell=False, capture=True)
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/udevadm', 'settle'] with allowed return codes [0] (shell=False, capture=True)
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/sbin/sfdisk', '-l', '/dev/xvdh'] with allowed return codes [0] (shell=False, capture=True)
+ Dec  8 13:23:33 sql01 [CLOUDINIT] cc_disk_setup.py[DEBUG]: Checking if device is safe to partition
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Running command ['/bin/lsblk', '--pairs', '--output', 'NAME,TYPE,FSTYPE,LABEL', '/dev/xvdh'] with allowed return codes [0] (shell=False, capture=True)
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Creating partition on /dev/xvdh took 0.214 seconds
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[WARNING]: Failed partitioning operation#012'list' object has no attribute 'splitlines'
+ Dec  8 13:23:33 sql01 [CLOUDINIT] util.py[DEBUG]: Failed partitioning operation#012'list' object has no attribute 'splitlines'#012Traceback (most recent call last):#012  File "/usr/lib/python2.7/dist-packages/cloudinit/config/cc_disk_setup.py", line 57, in handle#012    func=mkpart, args=(disk, definition))#012  File "/usr/lib/python2.7/dist-packages/cloudinit/util.py", line 1875, in log_time#012    ret = func(*args, **kwargs)#012  File "/usr/lib/python2.7/dist-packages/cloudinit/config/cc_disk_setup.py", line 684, in mkpart#012    if not overwrite and (is_disk_used(device) or is_filesystem(device)):#012  File "/usr/lib/python2.7/dist-packages/cloudinit/config/cc_disk_setup.py", line 308, in is_disk_used#012    if len(use_count.splitlines()) > 1:#012AttributeError: 'list' object has no attribute 'splitlines'
  
  With partitioning having failed, the disk formatting that follows fails
  due to the partition not existing.

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https://bugs.launchpad.net/bugs/1523921

Title:
  cloud-init disk_setup failure: 'list' object has no attribute
  'splitlines'

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