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Bug 1028676 - Add virt-builder to RHEL 7.1
Summary: Add virt-builder to RHEL 7.1
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libguestfs
Version: 7.0
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Richard W.M. Jones
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 1021149 1099976
Blocks: 1082754
TreeView+ depends on / blocked
 
Reported: 2013-11-09 11:55 UTC by Richard W.M. Jones
Modified: 2015-03-05 13:43 UTC (History)
5 users (show)

Fixed In Version: libguestfs-1.27.56-1.1.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-03-05 13:43:03 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:0303 0 normal SHIPPED_LIVE libguestfs bug fix and enhancement update 2015-03-05 17:34:44 UTC

Description Richard W.M. Jones 2013-11-09 11:55:45 UTC 
Description of problem:

Virt-builder is a tool for quickly customizing cloud images
of various operating systems.  For example you can do:

  virt-builder fedora-19 --format qcow2 --size 20G --install @XFCE

and get a custom Fedora 19 image with plenty of disk space and
XFCE desktop installed.

If everything is cached, the process takes between 30 seconds and
a couple of minutes.

Note this is different from Oz (it doesn't do a full install)
and different from livecd-tools (it doesn't make installers).
It is more similar to doing virt-resize + virt-sysprep.

Virt-builder is a new feature which was added in libguestfs 1.24.
Adding it to RHEL 7.1 (rebase: bug 1021149) is trivial.

However if we were just to add it, then it would offer a less-than-ideal
choice of images to install:

  $ virt-builder -l
  centos-6                 CentOS 6.4
  debian-6                 Debian 6 (Squeeze)
  debian-7                 Debian 7 (Wheezy)
  fedora-18                Fedora® 18
  fedora-19                Fedora® 19
  scientificlinux-6        Scientific Linux 6.4
  ubuntu-10.04             Ubuntu 10.04 (Lucid)
  ubuntu-12.04             Ubuntu 12.04 (Precise)
  ubuntu-13.10             Ubuntu 13.10 (Saucy)

So the real issue is not how to add it, but how and where to
host RHEL cloud images, and possibly how to make sure these
cloud images attach automatically to RHN for updates etc.

Version-Release number of selected component (if applicable):

libguestfs 1.24
libguestfs 1.25 contains several new features which are
candidates for backporting.

Additional info:

A thread explaining how to try out virt-builder now:
http://post-office.corp.redhat.com/archives/rhos-tech/2013-November/msg00086.html

It's possible we could use this in RHOS instead of the fundamentally
insecure disk-image-builder tool.  See the thread starting here:
http://post-office.corp.redhat.com/archives/rhos-tech/2013-November/thread.html#00097

I have built a collection of RHEL cloud images internally.
To use them, do:
export VIRT_BUILDER_SOURCE=http://file.rdu.redhat.com/~rjones/builder/index.asc
and then run virt-builder as normal, eg:

$ virt-builder -l
rhel-6.1                 Red Hat Enterprise Linux 6.1
rhel-6.2                 Red Hat Enterprise Linux 6.2
rhel-6.3                 Red Hat Enterprise Linux 6.3
rhel-6.4                 Red Hat Enterprise Linux 6.4

Note that these don't use RHN.  Their yum configuration
points directly at http://download.devel.redhat.com/released/
Adding RHN support to virt-builder is TBD.
Comment 5 yuliu 2014-11-10 09:01:16 UTC 
version : libguestfs-1.28.1-1.9.el7.x86_64

# virt-builder
virt-builder: virt-builder os-version
Missing 'os-version'. Use '--list' to list available template names.
#

virt-builder installed.
Comment 7 errata-xmlrpc 2015-03-05 13:43:03 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-2015-0303.html
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