[Openstack] file injection problem

Eugen Block eblock at nde.ag
Thu Oct 26 08:11:55 UTC 2017


> as written in source code, "config-drive = true" and file injection  
> using personality are mutually exclusive mechanisms.

Interesting, I did it with config-drive=true and it worked for me. But  
it's great that you found a solution.


Zitat von Volodymyr Litovka <doka.ua at gmx.com>:

> Answer is:
>
> as written in source code, "config-drive = true" and file injection  
> using personality are mutually exclusive mechanisms.
>
> On 10/25/17 2:14 AM, Volodymyr Litovka wrote:
>> Also, python-guestfs package installed as well, so Nova is able to  
>> use it, at least quick check (snipped from Nova sources) passed:
>>
>> # python2.7
>> Python 2.7.12 (default, Nov 19 2016, 06:48:10)
>> [GCC 5.4.0 20160609] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> from oslo_utils import importutils
>>>>> g = importutils.import_module('guestfs')
>>>>> print g
>> <module 'guestfs' from '/usr/lib/python2.7/dist-packages/guestfs.pyc'>
>>>>> from eventlet import tpool
>>>>> t = tpool.Proxy(g.GuestFS())
>>>>> t.add_drive("/dev/null")
>>>>> t.launch()
>>>>> print t
>> <guestfs.GuestFS object at 0x7f99c437e410>
>>
>> No ideas why I'm facing this problem. Anybody can comment on this?
>>
>> Thanks again.
>>
>> On 10/25/17 1:24 AM, Volodymyr Litovka wrote:
>>> Hi colleagues,
>>>
>>> it makes me crazy, but how to make it work file injection into instance?
>>>
>>> nova.conf already configured with
>>>
>>> ======
>>> [DEFAULT]
>>> debug=true
>>>
>>> [libvirt]
>>> inject_partition = -1
>>>
>>> [guestfs]
>>> debug=true
>>>
>>> [quota]
>>> injected_files = 5
>>> injected_file_content_bytes = 10240
>>> injected_file_path_length = 255
>>> =======
>>>
>>> libguestfs and libguestfs-tools are installed (on host machine):
>>>
>>> libguestfs-hfsplus:amd64            1:1.32.2-4ubuntu2
>>> libguestfs-perl                     1:1.32.2-4ubuntu2
>>> libguestfs-reiserfs:amd64           1:1.32.2-4ubuntu2
>>> libguestfs-tools                    1:1.32.2-4ubuntu2
>>> libguestfs-xfs:amd64                1:1.32.2-4ubuntu2
>>> libguestfs0:amd64                   1:1.32.2-4ubuntu2
>>>
>>> and, finally,
>>>
>>> nova --debug boot --config-drive true --image <image> --flavor  
>>> <flavor> --security-groups <group> --key-name <key> --file  
>>> /etc/qqq=/dTest.txt --nic [...] dtest
>>>
>>> makes a correct request (note a personality parameter)
>>>
>>> REQ: curl -g -i -X POST http://controller:8774/v2.1/servers -H  
>>> "Accept: application/json" -H "User-Agent: python-novaclient" -H  
>>> "OpenStack-API-Version: compute 2.53" -H  
>>> "X-OpenStack-Nova-API-Version: 2.53" -H "X-Auth-Token:  
>>> {SHA1}11e6bac1ea20a124903ff967873c186a179d545e" -H "Content-Type:  
>>> application/json" -d '{"server": {"name": "dtest", "imageRef":  
>>> "12c86830-8d76-4159-a6bc-81966d7a220e", "key_name": "xxx",  
>>> "flavorRef": "d0ff4bc5-df38-4f20-8908-afc516d594e6", "max_count":  
>>> 1, "min_count": 1, *"personality": [{"path": "/etc/qqq",  
>>> "contents": "ZG9rYSB0ZXN0CmRva2EgdGVzdApkb2thIHRlc3QK"}]*,  
>>> "networks": [{"uuid": "9cc72002-fe24-44a5-aa04-22221ac0470f"}],  
>>> "security_groups": [{"name":  
>>> "dfc7d642-b55f-465c-84c2-9d95c9c565bf"}], "config_drive": true}}'
>>>
>>> but nothing everywhere - neither '/etc/qqq' on guest VM nor logs  
>>> (according to guestfs.debug=true) on host machine.
>>>
>>> It's Pike on Ubuntu 16.04.3.
>>>
>>> What I'm doing wrong?
>>>
>>> Thanks.
>>>
>>> -- 
>>> Volodymyr Litovka
>>>   "Vision without Execution is Hallucination." -- Thomas Edison
>>
>> -- 
>> Volodymyr Litovka
>>   "Vision without Execution is Hallucination." -- Thomas Edison
>
> -- 
> Volodymyr Litovka
>   "Vision without Execution is Hallucination." -- Thomas Edison



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Eugen Block                             voice   : +49-40-559 51 75
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