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Bug 1205808

Summary:	QCOW2 virtual size can bypass disk size checks for a flavor
Product:	Red Hat OpenStack	Reporter:	Pádraig Brady <pbrady>
Component:	openstack-nova	Assignee:	Pádraig Brady <pbrady>
Status:	CLOSED ERRATA	QA Contact:	nlevinki <nlevinki>
Severity:	unspecified	Docs Contact:
Priority:	high
Version:	5.0 (RHEL 7)	CC:	berrange, dasmith, eglynn, kchamart, ndipanov, nlevinki, pbrady, sbauza, sferdjao, sgordon, slong, stoner, vromanso, yeylon
Target Milestone:	z3	Keywords:	ZStream
Target Release:	6.0 (Juno)
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	openstack-nova-2014.2.3-2.el7ost	Doc Type:	Bug Fix
Doc Text:	Previously, the Compute service used incorrect size checks against the QCOW2 virtual size, which meant that the root-disk size for a flavor was not honored. With this fix, size checks have been reinstated, and instances are again restricted to the root-disk size of a flavor.	Story Points:	---
Clone Of:	1205806	Environment:
Last Closed:	2015-05-05 13:30:24 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Pádraig Brady 2015-03-25 16:25:04 UTC

+++ This bug was initially created as a clone of Bug #1205806 +++

Introduced with the changes for bug 1062022 (RHOS 5 A3)

--- Additional comment from Eoghan Glynn on 2015-03-25 12:23:20 EDT ---

We need a pm-ack and qe-ack on this bug.

Comment 4 Sean Toner 2015-04-24 14:44:01 UTC

[root@puma17 ~(keystone_admin)]# glance image-create --name=centos6 --file=/root/CentOS-6-x86_64-GenericCloud.qcow2 --progress --container-format=bare --disk-format=qcow2
[=============================>] 100%
+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| checksum         | 62ac2565e3527377860361f57639f334     |
| container_format | bare                                 |
| created_at       | 2015-04-24T14:39:54                  |
| deleted          | False                                |
| deleted_at       | None                                 |
| disk_format      | qcow2                                |
| id               | 7d0b1a15-151a-48db-8454-b80ebcdcc334 |
| is_public        | False                                |
| min_disk         | 0                                    |
| min_ram          | 0                                    |
| name             | centos6                              |
| owner            | 52edfc513c18414cb43e17cb0dcd60a3     |
| protected        | False                                |
| size             | 1151533056                           |
| status           | active                               |
| updated_at       | 2015-04-24T14:40:04                  |
| virtual_size     | None                                 |
+------------------+--------------------------------------+
[root@puma17 ~(keystone_admin)]# glance image-list
+--------------------------------------+----------+-------------+------------------+------------+--------+
| ID                                   | Name     | Disk Format | Container Format | Size       | Status |
+--------------------------------------+----------+-------------+------------------+------------+--------+
| 7d0b1a15-151a-48db-8454-b80ebcdcc334 | centos6  | qcow2       | bare             | 1151533056 | active |
| b4129397-1c78-48ae-af2e-9b84d0a4139d | cirros   | qcow2       | bare             | 13200896   | active |
| 68ef63f5-14ff-4ca7-a4bd-56dddb2bff39 | fedora21 | qcow2       | bare             | 158443520  | active |
+--------------------------------------+----------+-------------+------------------+------------+--------+
[root@puma17 ~(keystone_admin)]# nova boot --flavor 1 --image centos6 qcow-test
ERROR (BadRequest): Flavor's disk is too small for requested image. (HTTP 400) (Request-ID: req-df5f74b8-1bd4-433f-a21b-4810eb57fedc)
[root@puma17 ~(keystone_admin)]#

Comment 5 Sean Toner 2015-04-24 14:45:06 UTC

[root@puma17 ~(keystone_admin)]# rpm -qa | grep nova
openstack-nova-scheduler-2014.2.3-7.el7ost.noarch
python-novaclient-2.20.0-1.el7ost.noarch
python-nova-2014.2.3-7.el7ost.noarch
openstack-nova-compute-2014.2.3-7.el7ost.noarch
openstack-nova-novncproxy-2014.2.3-7.el7ost.noarch
openstack-nova-api-2014.2.3-7.el7ost.noarch
openstack-nova-conductor-2014.2.3-7.el7ost.noarch
openstack-nova-console-2014.2.3-7.el7ost.noarch
openstack-nova-common-2014.2.3-7.el7ost.noarch
openstack-nova-cert-2014.2.3-7.el7ost.noarch

Comment 7 errata-xmlrpc 2015-05-05 13:30:24 UTC

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.

https://rhn.redhat.com/errata/RHBA-2015-0931.html