Exporting a template that had a virtual machine based on itself failed due to an attribute, safeUnlink, which had been replaced by rmFile. The reference to the safeUnlink has now been removed, so the template export succeeds.
Created attachment 781948[details]
Logs
Description of problem:
Exporting template that has already a vm based on itself on export domain fails due to missing attribute:
0a70a764-da35-48e1-ac04-daa9682272d0::DEBUG::2013-08-02 04:59:58,852::utils::538::Storage.Misc.excCmd::(watchCmd) SUCCESS: <err> = []; <rc> = 0
0a70a764-da35-48e1-ac04-daa9682272d0::DEBUG::2013-08-02 04:59:58,853::volume::1139::Storage.Volume::(qemuConvert) (qemuConvert): COPY /rhev/data-center/c4b183de-e282-4a3b-9ad7-691d64c565fe/0ee606b8-b71c-44f5-b8aa-9c4dc68b43f7/images/fc6608e9-f335-413b-8f38-89c3c1e68449/bd4c21c6-cda1-44e3-9dda-46358af5b853 to /rhev/data-center/c4b183de-e282-4a3b-9ad7-691d64c565fe/90c9dae7-f760-4ced-b405-db9f8e0ed98f/images/fc6608e9-f335-413b-8f38-89c3c1e68449/bd4c21c6-cda1-44e3-9dda-46358af5b853 DONE
0a70a764-da35-48e1-ac04-daa9682272d0::INFO::2013-08-02 04:59:58,917::volume::663::Storage.Volume::(setLegality) sdUUID=90c9dae7-f760-4ced-b405-db9f8e0ed98f imgUUID=fc6608e9-f335-413b-8f38-89c3c1e68449 volUUID = bd4c21c6-cda1-44e3-9dda-46358af5b853 legality = LEGAL
0a70a764-da35-48e1-ac04-daa9682272d0::ERROR::2013-08-02 04:59:58,952::image::799::Storage.Image::(copy) Unexpected error
Traceback (most recent call last):
File "/usr/share/vdsm/storage/image.py", line 794, in copy
destDom.templateRelink(dstImgUUID, dstVolUUID)
File "/usr/share/vdsm/storage/fileSD.py", line 565, in templateRelink
self.oop.fileUtils.safeUnlink(tLink)
File "/usr/share/vdsm/storage/remoteFileHandler.py", line 284, in callCrabRPCFunction
*args, **kwargs)
File "/usr/share/vdsm/storage/remoteFileHandler.py", line 199, in callCrabRPCFunction
raise err
AttributeError: 'module' object has no attribute 'safeUnlink'
0a70a764-da35-48e1-ac04-daa9682272d0::ERROR::2013-08-02 04:59:58,961::task::850::TaskManager.Task::(_setError) Task=`0a70a764-da35-48e1-ac04-daa9682272d0`::Unexpected error
Traceback (most recent call last):
File "/usr/share/vdsm/storage/task.py", line 857, in _run
return fn(*args, **kargs)
File "/usr/share/vdsm/storage/task.py", line 318, in run
return self.cmd(*self.argslist, **self.argsdict)
File "/usr/share/vdsm/storage/securable.py", line 68, in wrapper
return f(self, *args, **kwargs)
File "/usr/share/vdsm/storage/sp.py", line 1747, in copyImage
postZero, force)
File "/usr/share/vdsm/storage/image.py", line 801, in copy
(srcImgUUID, dstImgUUID, str(e)))
CopyImageError: low level Image copy failed: ("src image=fc6608e9-f335-413b-8f38-89c3c1e68449, dst image=fc6608e9-f335-413b-8f38-89c3c1e68449: msg='module' object has no attribute 'safeUnlink'",)
Version-Release number of selected component (if applicable):
rhevm-3.3.0-0.13.master.el6ev.noarch
vdsm-4.12.0-rc3.13.git06ed3cc.el6ev.x86_64
How reproducible:
Always
Steps to Reproduce:
1. Have a template on nfs
2. Create a VM from the template
3. Export vm
4. Export template
Actual results:
Template export fails
Expected results:
Template export succeeds
Additional info:
Jenkins logs are attached, relevant log is vdsm.log.1.xz
Works in 3.2
This bug is currently attached to errata RHBA-2013:15291. If this change is not to be documented in the text for this errata please either remove it from the errata, set the requires_doc_text flag to
minus (-), or leave a "Doc Text" value of "--no tech note required" if you do not have permission to alter the flag.
Otherwise to aid in the development of relevant and accurate release documentation, please fill out the "Doc Text" field above with these four (4) pieces of information:
* Cause: What actions or circumstances cause this bug to present.
* Consequence: What happens when the bug presents.
* Fix: What was done to fix the bug.
* Result: What now happens when the actions or circumstances above occur. (NB: this is not the same as 'the bug doesn't present anymore')
Once filled out, please set the "Doc Type" field to the appropriate value for the type of change made and submit your edits to the bug.
For further details on the Cause, Consequence, Fix, Result format please refer to:
https://bugzilla.redhat.com/page.cgi?id=fields.html#cf_release_notes
Thanks in advance.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHBA-2014-0040.html
Created attachment 781948 [details] Logs Description of problem: Exporting template that has already a vm based on itself on export domain fails due to missing attribute: 0a70a764-da35-48e1-ac04-daa9682272d0::DEBUG::2013-08-02 04:59:58,852::utils::538::Storage.Misc.excCmd::(watchCmd) SUCCESS: <err> = []; <rc> = 0 0a70a764-da35-48e1-ac04-daa9682272d0::DEBUG::2013-08-02 04:59:58,853::volume::1139::Storage.Volume::(qemuConvert) (qemuConvert): COPY /rhev/data-center/c4b183de-e282-4a3b-9ad7-691d64c565fe/0ee606b8-b71c-44f5-b8aa-9c4dc68b43f7/images/fc6608e9-f335-413b-8f38-89c3c1e68449/bd4c21c6-cda1-44e3-9dda-46358af5b853 to /rhev/data-center/c4b183de-e282-4a3b-9ad7-691d64c565fe/90c9dae7-f760-4ced-b405-db9f8e0ed98f/images/fc6608e9-f335-413b-8f38-89c3c1e68449/bd4c21c6-cda1-44e3-9dda-46358af5b853 DONE 0a70a764-da35-48e1-ac04-daa9682272d0::INFO::2013-08-02 04:59:58,917::volume::663::Storage.Volume::(setLegality) sdUUID=90c9dae7-f760-4ced-b405-db9f8e0ed98f imgUUID=fc6608e9-f335-413b-8f38-89c3c1e68449 volUUID = bd4c21c6-cda1-44e3-9dda-46358af5b853 legality = LEGAL 0a70a764-da35-48e1-ac04-daa9682272d0::ERROR::2013-08-02 04:59:58,952::image::799::Storage.Image::(copy) Unexpected error Traceback (most recent call last): File "/usr/share/vdsm/storage/image.py", line 794, in copy destDom.templateRelink(dstImgUUID, dstVolUUID) File "/usr/share/vdsm/storage/fileSD.py", line 565, in templateRelink self.oop.fileUtils.safeUnlink(tLink) File "/usr/share/vdsm/storage/remoteFileHandler.py", line 284, in callCrabRPCFunction *args, **kwargs) File "/usr/share/vdsm/storage/remoteFileHandler.py", line 199, in callCrabRPCFunction raise err AttributeError: 'module' object has no attribute 'safeUnlink' 0a70a764-da35-48e1-ac04-daa9682272d0::ERROR::2013-08-02 04:59:58,961::task::850::TaskManager.Task::(_setError) Task=`0a70a764-da35-48e1-ac04-daa9682272d0`::Unexpected error Traceback (most recent call last): File "/usr/share/vdsm/storage/task.py", line 857, in _run return fn(*args, **kargs) File "/usr/share/vdsm/storage/task.py", line 318, in run return self.cmd(*self.argslist, **self.argsdict) File "/usr/share/vdsm/storage/securable.py", line 68, in wrapper return f(self, *args, **kwargs) File "/usr/share/vdsm/storage/sp.py", line 1747, in copyImage postZero, force) File "/usr/share/vdsm/storage/image.py", line 801, in copy (srcImgUUID, dstImgUUID, str(e))) CopyImageError: low level Image copy failed: ("src image=fc6608e9-f335-413b-8f38-89c3c1e68449, dst image=fc6608e9-f335-413b-8f38-89c3c1e68449: msg='module' object has no attribute 'safeUnlink'",) Version-Release number of selected component (if applicable): rhevm-3.3.0-0.13.master.el6ev.noarch vdsm-4.12.0-rc3.13.git06ed3cc.el6ev.x86_64 How reproducible: Always Steps to Reproduce: 1. Have a template on nfs 2. Create a VM from the template 3. Export vm 4. Export template Actual results: Template export fails Expected results: Template export succeeds Additional info: Jenkins logs are attached, relevant log is vdsm.log.1.xz Works in 3.2