Sunday, 2011-11-20

openstackgerritRick Harris proposed a change to openstack/python-novaclient: Adding UUID cache for bash autocompletion.  https://review.openstack.org/180600:14
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openstackgerritJames E. Blair proposed a change to openstack-ci/git-review: Check git config for default username.  https://review.openstack.org/180702:00
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openstackgerritEwan Mellor proposed a change to openstack/horizon: Fix three instances of the same typo.  https://review.openstack.org/180805:26
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openstackgerritMonty Taylor proposed a change to openstack-ci/git-review: Version bump post release.  https://review.openstack.org/180912:50
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openstackgerritZiad Sawalha proposed a change to openstack/keystone: Restored developer default log dir  https://review.openstack.org/181016:00
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KiallDoes anyone know if the Ubuntu qcow2 images (.img rather than .tgz) are compressed + sparse or just sparse?17:16
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openstackgerritanotherjesse proposed a change to openstack-dev/devstack: revive working with subset of services  https://review.openstack.org/181117:55
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rmkKiall: Hmm don't understand the question.18:04
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rmkKiall: Actually been doing a lot of looking at the various image formats the past few days.18:05
KiallWell, the .img file from cloud-images.ubuntu.com, its a qcow2 sparse image. I'm wondering if its compressed in addition to being sparse...18:06
rmkI don't think compressed + sparse go together.18:07
KiallYea, they do :)18:07
rmkReally?  hmm18:07
rmkWell either way qemu-img can tell you.18:07
rmkqemu-img info18:07
Kiallah, nice.. I have piles to learn about these tools ;) I'm used to VMWare ESX ;)18:08
rmkThat particular tool is super useful.18:09
KiallSo .. my sparse centos-6.0.img = 951MB ...18:09
Kiallafter compressing, its 315MB18:09
rmkIt'll actually be decompressed and stored as a raw once nova pulls it from glance.18:09
KiallSure, thats probably for the best!18:10
Kiallqemu-info doesn't seem to tell you if its been compressed or not18:10
rmkI was experimenting with storing and transferring various image types last week.  One of the main discoveries (if you want to call it that) is that there's no validation whatsoever of raw images.18:10
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rmkSo if you store an image as raw in Glance, Nova pulls it down and does no validation at all of the file.  So even a partial image transfer ends up being "started".18:11
Kiallwell, I can imagine doing a md5 on a 40G image being painful ;)18:11
rmkYes agreed but at least a size check would be good.18:11
KiallSince its raw, there is nothing inside that is testable...18:11
Kialloh, it doesnt even check it has the right number of bytes?18:12
rmkNope18:12
KiallHeh18:12
Kiallbug18:12
rmkThat's my point.18:12
rmkYeah I think so too.18:12
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rmkI was actually shutting down glance-api in the middle of the transfer and nova would still start the image.18:12
rmkI'll file a bug today.18:12
rmkI may just patch this myself for now.18:13
rmkAnd yeah it's only caught with non-raw formats because the conversion to raw invokes qemu-img, which fails unless the image is complete.18:13
rmkSo it's caught as a side effect.18:13
KiallIf you know how to fix it, then go read the gerrit docs and submit the fix :)18:13
rmkKiall: Glance stores the size of the image, so I have to think the client object provides a way for retrieving that info.18:14
KiallYea, what I meant was, if you know how to get that info on the nova side, then submit the fix18:15
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rmkKiall: http://libguestfs.org/18:23
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zykes-grrr, why can't anotherjesse or danwent be on19:51
openstackgerritZiad Sawalha proposed a change to openstack/openstack-manuals: Updated Identity Documentation  https://review.openstack.org/181219:52
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openstackgerritLorin Hochstein proposed a change to openstack/openstack-manuals: Added info on how to build docs to the README.  https://review.openstack.org/181322:05
openstackgerritLorin Hochstein proposed a change to openstack/openstack-manuals: Added info on how to build docs to the README.  https://review.openstack.org/181322:09
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openstackgerritTres Henry proposed a change to openstack/horizon: Various fixes for swift UI.  https://review.openstack.org/181423:31
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openstackgerritLorin Hochstein proposed a change to openstack/nova: Converted README to RST format.  https://review.openstack.org/181523:57

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