instance live migration should create virtual_size disk image

[Yaguang Tang]

when use live block migration,both local disk image and system image file that have a backing file are created in the destination host with the disk size but not the virtual size .

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/6364

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/7281

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/7281
Committed: http://github.com/openstack/nova/commit/ee705d048418d63667136cad3951655178861d46
Submitter: Jenkins
Branch: master

commit ee705d048418d63667136cad3951655178861d46
Author: Yaguang Tang <email address hidden>
Date: Wed May 9 17:45:58 2012 +0800

    fix bug 977007,make nova create correct size of qcow2 disk file.

    when use live block migration,ephemeral disks with qcow2 format
    should be created in the destination with the same virtual size
    as before.

    Change-Id: I5c5b1295bdb3e4dc281698eba38c5ce697aa9bc2

[Jean-Daniel Bussy (silversurfer972)]

Also affect ubuntu 12.04 Essex release

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/essex
Review: https://review.openstack.org/10079

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/10079
Committed: http://github.com/openstack/nova/commit/f6d1f552875a918084907c53085d140d58fb1c37
Submitter: Jenkins
Branch: stable/essex

commit f6d1f552875a918084907c53085d140d58fb1c37
Author: Yaguang Tang <email address hidden>
Date: Wed May 9 17:45:58 2012 +0800

    libvirt: fix qcow2 size on live block migration

    When using live block migration, ephemeral disks with qcow2 format
    should be created in the destination with the same virtual size as
    before.

    bug 977007

    Change-Id: I5c5b1295bdb3e4dc281698eba38c5ce697aa9bc2
    (cherry picked from commit ee705d048418d63667136cad3951655178861d46)

[Adam Gandelman (gandelman-a)]

Please find the attached test log from the Ubuntu Server Team's CI infrastructure. As part of the verification process for this bug, Nova has been deployed and configured across multiple nodes using precise-proposed as an installation source. After successful bring-up and configuration of the cluster, a number of exercises and smoke tests have be invoked to ensure the updated package did not introduce any regressions. A number of test iterations were carried out to catch any possible transient errors.

Please Note the list of installed packages at the top and bottom of the report.

For records of upstream test coverage of this update, please see the Jenkins links in the comments of the relevant upstream code-review(s):

Trunk review: https://review.openstack.org/7281
Stable review: https://review.openstack.org/10079

As per the provisional Micro Release Exception granted to this package by the Technical Board, we hope this contributes toward verification of this update.

[Adam Gandelman (gandelman-a)]

Test coverage log.

[Launchpad Janitor (janitor)]

This bug was fixed in the package nova - 2012.1.3+stable-20120827-4d2a4afe-0ubuntu1

---------------
nova (2012.1.3+stable-20120827-4d2a4afe-0ubuntu1) precise-proposed; urgency=low

  * New upstream snapshot, fixes FTBFS in -proposed. (LP: #1041120)
  * Resynchronize with stable/essex (4d2a4afe):
    - [5d63601] Inappropriate exception handling on kvm live/block migration
      (LP: #917615)
    - [ae280ca] Deleted floating ips can cause instance delete to fail
      (LP: #1038266)

nova (2012.1.3+stable-20120824-86fb7362-0ubuntu1) precise-proposed; urgency=low

  * New upstream snapshot. (LP: #1041120)
  * Dropped, superseded by new snapshot:
    - debian/patches/CVE-2012-3447.patch: [d9577ce]
    - debian/patches/CVE-2012-3371.patch: [25f5bd3]
    - debian/patches/CVE-2012-3360+3361.patch: [b0feaff]
  * Resynchronize with stable/essex (86fb7362):
    - [86fb736] Libvirt driver reports incorrect error when volume-detach fails
      (LP: #1029463)
    - [272b98d] nova delete lxc-instance umounts the wrong rootfs (LP: #971621)
    - [09217ab] Block storage connections are NOT restored on system reboot
      (LP: #1036902)
    - [d9577ce] CVE-2012-3361 not fully addressed (LP: #1031311)
    - [e8ef050] pycrypto is unused and the existing code is potentially insecure
      to use (LP: #1033178)
    - [3b4ac31] cannot umount guestfs (LP: #1013689)
    - [f8255f3] qpid_heartbeat setting in ineffective (LP: #1030430)
    - [413c641] Deallocation of fixed IP occurs before security group refresh
      leading to potential security issue in error / race conditions
      (LP: #1021352)
    - [219c5ca] Race condition in network/deallocate_for_instance() leads to
      security issue (LP: #1021340)
    - [f2bc403] cleanup_file_locks does not remove stale sentinel files
      (LP: #1018586)
    - [4c7d671] Deleting Flavor currently in use by instance creates error
      (LP: #994935)
    - [7e88e39] nova testsuite errors on newer versions of python-boto (e.g.
      2.5.2) (LP: #1027984)
    - [80d3026] NoMoreFloatingIps: Zero floating ips available after repeatedly
      creating and destroying instances over time (LP: #1017418)
    - [4d74631] Launching with source groups under load produces lazy load error
      (LP: #1018721)
    - [08e5128] API 'v1.1/{tenant_id}/os-hosts' does not return a list of hosts
      (LP: #1014925)
    - [801b94a] Restarting nova-compute removes ip packet filters (LP: #1027105)
    - [f6d1f55] instance live migration should create virtual_size disk image
      (LP: #977007)
    - [4b89b4f] [nova][volumes] Exceeding volumes, gigabytes and floating_ips
      quotas returns general uninformative HTTP 500 error (LP: #1021373)
    - [6e873bc] [nova][volumes] Exceeding volumes, gigabytes and floating_ips
      quotas returns general uninformative HTTP 500 error (LP: #1021373)
    - [7b215ed] Use default qemu-img cluster size in libvirt connection driver
    - [d3a87a2] Listing flavors with marker set returns 400 (LP: #956096)
    - [cf6a85a] nova-rootwrap hardcodes paths instead of using
      /sbin:/usr/sbin:/usr/bin:/bin (LP: #1013147)
    - [2efc87c] affinity filters don't work if scheduler_hints is None
      (LP: #1007573)
  ...

[Clint Byrum (clint-fewbar)]

The verification of this Stable Release Update has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regresssions.

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