[et-mgmt-tools] koan --virt error

[Michael DeHaan]

hennesd wrote:
> Hey guys,
>
> I am trying to use "koan" to provision a xen guest instance but it is
> failing and I can't work out why.
>
> I have imported my distros, created my profiles and that side of things
> all seems to be fine.
>
> I have cobbler installed on a RHEL4 system and I am trying to create the
> guest instance on a CentOS5.0 system. I can create a guest instance
> using "virt-install" using the same config that koan uses and it all
> works fine.
>
> The output from koan follows:
>
> [root at gbw607su1041 ~]# koan -s 221.206.29.50 -x -p CentOS5.0-xen-i386 -V
> testy2
> - {'kickstart':
> 'http://221.206.29.50/cblr/kickstarts/CentOS5.0-xen-i386/ks.cfg',
> 'name': 'CentOS5.0-xen-i386', 'virt_ram': 256, 'repos': [],
> 'kernel_options': 'ksdevice=eth0 lang=uk syslog=221.206.29.50:25150 text
> ', 'ks_meta': '', 'virt_file_size': 1, 'virt_paravirt': 'True',
> 'distro': 'CentOS5.0-xen-i386'}
> - fetching configuration for distro: CentOS5.0-xen-i386
> - {'kernel': '/var/www/cobbler/ks_mirror/CentOS5.0/images/xen/vmlinuz',
> 'ks_meta': 'tree=http://221.206.29.50/cblr/links/CentOS5.0-xen-i386 ',
> 'breed': 'redhat', 'source_repos':
> [['http://221.206.29.50/cobbler/ks_mirror/config/CentOS5.0-xen-i386-0.repo', 'http://221.206.29.50/cobbler/ks_mirror/CentOS5.0'], ['http://221.206.29.50/cobbler/ks_mirror/config/CentOS5.0-xen-i386-1.repo', 'http://221.206.29.50/cobbler/ks_mirror/CentOS5.0']], 'kernel_options': 'ksdevice=eth0 lang=uk syslog=221.206.29.50:25150 text ', 'initrd': '/var/www/cobbler/ks_mirror/CentOS5.0/images/xen/initrd.img', 'arch': 'x86', 'name': 'CentOS5.0-xen-i386'}
> - downloading initrd initrd.img to /tmp/initrd.img
> - url=http://221.206.29.50/cobbler/images/CentOS5.0-xen-i386/initrd.img
> - downloading kernel vmlinuz to /tmp/vmlinuz
> - url=http://221.206.29.50/cobbler/images/CentOS5.0-xen-i386/vmlinuz
> - kernel saved = /tmp/vmlinuz
> - initrd saved = /tmp/initrd.img
> libvir: Xen Daemon error : POST operation failed: (xend.err 'Error
> creating domain: Kernel image does not exist: /tmp/vmlinuz')
> Failed to create domain testy2
> Traceback (most recent call last):
>   File "/usr/lib/python2.4/site-packages/koan/app.py", line 108, in main
>     k.run()
>   File "/usr/lib/python2.4/site-packages/koan/app.py", line 174, in run
>     self.do_virt()
>   File "/usr/lib/python2.4/site-packages/koan/app.py", line 306, in
> do_virt
>     return self.do_net_install("/tmp",after_download)
>   File "/usr/lib/python2.4/site-packages/koan/app.py", line 275, in
> do_net_install
>     after_download(self, distro_data, profile_data)
>   File "/usr/lib/python2.4/site-packages/koan/app.py", line 305, in
> after_download
>     self.do_virt_net_install(profile_data, distro_data)
>   File "/usr/lib/python2.4/site-packages/koan/app.py", line 629, in
> do_virt_net_install
>     nameoverride=self.virtname
>   File "/usr/lib/python2.4/site-packages/koan/virtcreate.py", line 106,
> in start_paravirt_install
>     guest.start_install()
>   File "/usr/lib/python2.4/site-packages/virtinst/ParaVirtGuest.py",
> line 220, in start_install
>     return XenGuest.XenGuest.start_install(self, consolecb)
>   File "/usr/lib/python2.4/site-packages/virtinst/XenGuest.py", line
> 367, in start_install
>     self.domain = self.conn.createLinux(cxml, 0)
>   File "/usr/lib/python2.4/site-packages/libvirt.py", line 251, in
> createLinux
>     if ret is None:raise libvirtError('virDomainCreateLinux() failed')
> libvirtError: virDomainCreateLinux() failed
>
>
> As you may see, it says that "/tmp/vmlinuz" doesn't exist but I can
> confirm that it does by inserting an "os.listdir( '/tmp' )" into the
> code.
>
> Any clues?
>
> TIA
>
> Dan
>   

If SELinux is enabled, that's likely it. You can temporarily disable it 
if you like, though I'm working on fixing that now -- was going to hit 
that yesterday but I got sidetracked
by some other cobbler features.

If that's not it, let me know.

--Michael