[CentOS-devel] Release for Atomic Host Feb 2015 rolling builds

Gianluca Cecchi

gianluca.cecchi at gmail.com
Mon Mar 9 19:55:53 UTC 2015

On Fri, Mar 6, 2015 at 3:55 PM, Karanbir Singh <kbsingh at centos.org> wrote:

> We are pleased to announce CentOS Atomic host rolling builds for
> CentOS Linux.
> This release is tagged 20150228_01 : It represents content from Feb 2015
> CentOS Linux 7 + Atomic SIG and Virtualisation SIG.
> [snip]

> Note that the Generic Cloud image ( qcow2 file ) still requires a
> NoCloud cloud-init configuration iso to enable access. The Vagrant
> images, do not. They will just work with the vagrant default access
> policy.

File: CentOS-7-x86_64-AtomicHost-20150228_01.qcow2
> Sha256: ec94554d92558328e2ce7627996ce21faf76105be125d7f711615c1850956e0a
> File: CentOS-7-x86_64-AtomicHost-20150228_01.qcow2.xz
> Sha256: b366f73e4445e139a2df2bef935be863a377960714bdad22d5b47593d7ccec93

> Symlinks are provided that will always map to the latest released
> builds, as follows ( including their current mapping )
> http://buildlogs.centos.org/rolling/7/isos/x86_64/CentOS-7-x86_64-AtomicHost.qcow2
> - -> CentOS-7-x86_64-AtomicHost-20150228_01.qcow2
> http://buildlogs.centos.org/rolling/7/isos/x86_64/CentOS-7-x86_64-AtomicHost.qcow2.xz
> - -> CentOS-7-x86_64-AtomicHost-20150228_01.qcow2.xz
the web links of the two images referred above seem not valid any more...
Was there any problem with them?
I ask because I already downloaded and am having problmes using them in
virt-manager on Fedora 21.
$ sha256sum

$ qemu-img info
file format: qcow2
virtual size: 10G (10737418240 bytes)
disk size: 777M
cluster_size: 65536
Format specific information:
    compat: 0.10

I created the iso with user-data and meta-data as described in:
and other similar docs but it seems the image doesn't get parsed... (no
hostname set and not able to ssh into the image).
Do I have to pass any kernel command line when I start in virt-manager?
I also found this "old" link to create the seed image:

but the virt-builder command is not able to extract kernel and initrd image
from the qcow2 image.
I get:
virt-builder: error: get-kernel: no operating system found
Here below the whole log of virt-builder run with -v and -x options:

I don't know if it is expected that virt-builder gives error...

Thanks in advance

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