gmane.linux.installation.cobbler

Cobbler-side installs to KVM, VMware?

Eldred, Doug — 2012-05-25T17:51:41

I'm looking for an example, specifically showing the "power" settings in Cobbler, for how to initiate a Cobbler-side install to a KVM or VMware virtual machine.  Most of what I've found so far involves using koan, not using the Cobbler side to kick things off.

To my surprise, even though there's a "fence_vmware" command, Cobbler is unaware of it.  I've tried ipmitool based on one example, but haven't figured out the other power values to set in Cobbler.

Thanks in advance for any clues or documentation.

Regards,
Doug
----
MC Linux Infrastructure, 970-898-4860, Fort Collins 3UR8 (MS 57)
"We should not let the much that is to do obscure the much which has been done." -- Calvin Coolidge


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cobbler replicate: "unknown module"

David Lee — 2012-05-23T16:59:07

(Using cobbler 2.0.11 on RHEL 5.x)

We have a master cobbler server, and two slaves which run a daily cron:
    cobbler replicate --master=cobbler_master.our.org \
       --profiles="*" --systems="*"

In the master we set up a local repo of local RPMs, primarily designed 
for "yum" to access, but also referenced by cobbler.  This was set up:
    cobbler repo add --name=el5-x86_64-local \
       --mirror=http://... --mirror-locally=N --arch=x86_64

But the daily "cobbler replicate" gives an error message:

    received on stderr:
    Rsyncing repos
    running: rsync -avzH cobbler_master.our.org::repo-el5-x86_64-local 
/var/www/cobbler/repo_mirror/el5-x86_64-local
    received on stdout:
    received on stderr: < at >ERROR: Unknown module 'repo-el5-x86_64-local'
    rsync error: error starting client-server protocol (code 5) at 
main.c(1296) [receiver=2.6.8]

That "unknown module" error message is worrying.

Is this because of the "N" for "mirror-locally"?

Things seem to work OK, and last time we forced an installation from a 
slave server, it seemed to see this repo.

But I'd like to know whether that error message is genuine and reflects 
a genuine fault. (Or is it a false alarm on 2.0.11?)  Have I missed a 
step?  Is there some "best/recommended practice"?

If it is related to "N" for "mirror-locally", would "Y" fix it?  But 
would that then take an unnecessary (and big!) second copy within each 
server?

(I tried the "Start Here" on the wiki, but that doesn't really explore 
the details of this.)

Web interface suddenly stopped working

Dan White — 2012-05-23T13:25:52

This is on a Cobbler 2.0.11 server that has been running great for almost a year on a RHEL 5 x86_64 machine with an out-of-the-Red-Hat-repos vanilla apache/http service running

http://cobblerServer.mine.tld/cobbler_web/ spits out:

Mod_python error: "PythonAuthenHandler cobbler_web.views"

Traceback (most recent call last):

  File "/usr/lib64/python2.4/site-packages/mod_python/apache.py", line 287, in HandlerDispatch
    log=debug)

  File "/usr/lib64/python2.4/site-packages/mod_python/apache.py", line 464, in import_module
    module = imp.load_module(mname, f, p, d)

  File "/usr/share/cobbler/web/cobbler_web/views.py", line 16, in ?
    import cobbler.item_distro  as item_distro

  File "/usr/lib/python2.4/site-packages/cobbler/item_distro.py", line 25, in ?
    import utils

  File "/usr/lib/python2.4/site-packages/cobbler/utils.py", line 116, in ?
    main_logger = clogger.Logger()

  File "/usr/lib/python2.4/site-packages/cobbler/clogger.py", line 43, in __init__
    self.logfile = open(logfile, "a")

IOError: [Errno 13] Permission denied: '/var/log/cobbler/cobbler.log'

And in /var/log/httpd/ssl_error_log I find this:

[Wed May 23 08:23:40 2012] [warn] RSA server certificate is a CA certificate (BasicConstraints: CA == TRUE !?)
[Wed May 23 08:23:40 2012] [warn] RSA server certificate CommonName (CN) `localhost.localdomain' does NOT match server name!?



“Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.”
Bill Waterson (Calvin & Hobbes)
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newer RPM for RHEL5?

Alan McKay — 2012-05-22T19:26:38

Hey folks,

I have a RHEL5 server running cobbler from the repos :
[root< at >solexa-db ~]# rpm -qa | grep -i cobbler
cobbler-web-2.0.11-2.el5
cobbler-2.0.11-2.el5

I just tried to install an Ubuntu Live CD and it told me it did not
recognize the ubuntu 'breed'

All I really want it PXE boot of the live CD - nothing fancy.   No automation.

Is there an RPM available somewhere that I can upgrade to?

I know I could build from source but I try to stick to RPMs if I can.

thanks,
-Alan

Reply:Here is it

vivek singh — 2012-05-22T13:56:15

sir,,,
    i am runing rhel6 x86_64 on my vmware workstation and this is my first
time to practice with cobbler.so if you can take a remote acces of my
system dan it will good for me so i can see how can we setup the
cobbler.Sir , actually i have download this epel rpm but i dont know how to
use it ..Here is the list.....

cobbler-2.2.2-1.el6.noarch.rpm
createrepo-0.9.8-4.el6.noarch.rpm
genisoimage-1.1.9-11.el6.x86_64.rpm
httpd-2.2.22-1.el6.x86_64.rpm
mod_wsgi-3.2-1.el6.x86_64.rpm
python-2.6.6-29.el6.x86_64(2).rpm
python-2.6.6-29.el6.x86_64.rpm
python-cheetah-2.4.1-1.el6.x86_64.rpm
python-netaddr-0.7.5-1.el6.noarch.rpm
python-simplejson-2.0.9-3.1.el6.x86_64.rpm
python-urlgrabber-3.9.1-8.el6.noarch.rpm
PyYAML-3.09-5.el6.x86_64.rpm
rsync-3.0.6-5.el6_0.1.x86_64.rpm
tftp-server-0.49-7.el6.x86_64(2).rpm
tftp-server-0.49-7.el6.x86_64.rpm
yum-utils-1.1.30-10.el6.noarch.rpm

so the thing is that when i have installed 1st rpm frm the list ,,it is
asking to install
rest of the rpms.could u please tell how can i solve it....
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REGARDING:

vivek singh — 2012-05-22T13:29:05

sir i am not able to fix cobber dependencies on rhel 6 64 bit
machine...Please solve this issue ...how can i actuall fix it
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Using Cobbler To Install CentOS 6.2 From Fedora 14 Server

Bob Cochran — 2012-05-21T21:01:34

Hi,

I would like to do a network installation of CentOS 6.2 from the Cobbler 
version that is installed on my Fedora 14 (x86_64) laptop. Due to 
various events, I never upgraded my laptop to a more recent version of 
Fedora. Right now, I want to get CentOS installed on a server box so 
that I can run virtualization going. The server doesn't have an optical 
drive, I prefer network installations if possible. Is it possible to 
successfully install CentOS 6.2 from Fedora 14?

Thanks

Bob Cochran
Greenbelt, Maryland, USA
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cobbler reposync and mirror locally=false not working

2012-05-21T11:16:03

Hello everyone
I setup a repo and have choosen mirror locally false. If I execute cobbler reposync I got an error message "No such file or directory" because directory .origin is missing.

[root< at >cobbler ~]# cobbler repo report --name=rhel62-x86_64-updates
Name                           : rhel62-x86_64-updates
Arch                           : x86_64
Breed                          : yum
Comment                        : RHEL 6 Update 2
Createrepo Flags               : <<inherit>>
Environment Variables          : {}
Keep Updated                   : True
Mirror                         : http://cobbler/rhel/rhel6server-x86_64/RPMS.updates_62
Mirror locally                 : False
Owners                         : ['admin']
Priority                       : 99
RPM List                       : []
Yum Options                    : {}

[root< at >cobbler ~]# cobbler reposync
task started: 2012-05-21_130356_reposync
task started (id=Reposync, time=Mon May 21 13:03:56 2012)
hello, reposync
run, reposync, run!
running: /usr/bin/wget -q http://cobbler/rhel/rhel6server-x86_64/RPMS.updates_62/repodata/repomd.xml -O /var/www/cobbler/repo_mirror/rhel62-x86_64-updates/.origin/repomd.xml
received on stdout:
received on stderr: /var/www/cobbler/repo_mirror/rhel62-x86_64-updates/.origin/repomd.xml: No such file or directory

creating: /var/www/cobbler/repo_mirror/rhel62-x86_64-updates/config.repo
running: chown -R root:apache /var/www/cobbler/repo_mirror/rhel62-x86_64-updates
received on stdout:
received on stderr:
running: chmod -R 755 /var/www/cobbler/repo_mirror/rhel62-x86_64-updates
received on stdout:
received on stderr:
rhel63-x86_64-updates is set to not be updated
*** TASK COMPLETE ***

If I create .origin by hand some repo-files like repomd.xml will be created but I can't use the Repo during kickstart because it doesn't seem to be available.

[root< at >cobbler rhel62-x86_64-updates]# ls -laR /var/www/cobbler/repo_mirror/rhel62-x86_64-updates
/var/www/cobbler/repo_mirror/rhel62-x86_64-updates:
total 24
drwxr-xr-x 4 root apache 4096 May 21 13:10 .
drwxr-xr-x 4 root root   4096 May 11 11:21 ..
-rwxr-xr-x 1 root apache  146 May 21 13:10 config.repo
drwxr-xr-x 2 root apache 4096 May 21 13:10 .origin
drwxr-xr-x 2 root apache 4096 May 21 13:10 repodata

/var/www/cobbler/repo_mirror/rhel62-x86_64-updates/.origin:
total 12
drwxr-xr-x 2 root apache 4096 May 21 13:10 .
drwxr-xr-x 4 root apache 4096 May 21 13:10 ..
-rwxr-xr-x 1 root apache  951 May 11 11:26 repomd.xml

/var/www/cobbler/repo_mirror/rhel62-x86_64-updates/repodata:
total 8
drwxr-xr-x 2 root apache 4096 May 21 13:10 .
drwxr-xr-x 4 root apache 4096 May 21 13:10 ..
I have installed cobbler-2.2.2-1. Have you got any idea what I did wrong?

Thank you for your help.

Manuel


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cobbler and selinux

Mezei Zoltan — 2012-05-18T13:04:48

Hi,

I'm trying to get cobbler working with selinux.


Environment:

# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.2 (Santiago)
# rpm -qv cobbler
cobbler-2.2.2-1.el6.noarch
# rpm -qv selinux-policy-targeted
selinux-policy-targeted-3.7.19-126.el6_2.10.noarch
# rpm -qv policycoreutils-python
policycoreutils-python-2.0.83-19.21.el6_2.x86_64

The cobbler rpm came from the stable branch of EPEL, all other
packages are the latest official RedHat ones.


First cobbler check...

I ran cobbler check in permissive mode and ended up with the following module:

module local 1.0;

require {
        type security_t;
        type var_lock_t;
        type semanage_store_t;
        type cobblerd_t;
        type default_context_t;
        type proc_net_t;
        type file_context_t;
        type semanage_read_lock_t;
        class capability { net_admin net_raw };
        class netlink_audit_socket create;
        class dir { read write search };
        class file { getattr read lock open };
        class rawip_socket { getopt create };
}

allow cobblerd_t security_t:dir read;
allow cobblerd_t default_context_t:dir search;
allow cobblerd_t file_context_t:dir search;
allow cobblerd_t proc_net_t:file { read getattr open };
allow cobblerd_t self:capability { net_admin net_raw };
allow cobblerd_t self:netlink_audit_socket create;
allow cobblerd_t self:rawip_socket { getopt create };
allow cobblerd_t semanage_read_lock_t:file { read lock open };

allow cobblerd_t semanage_store_t:dir { read write search };
allow cobblerd_t semanage_store_t:file { read getattr open };
allow cobblerd_t var_lock_t:dir search;
allow cobblerd_t var_lock_t:file getattr;

Installing this module makes the various AVCs during cobbler check
disappear. However, cobbler.log still contains some errors:

Fri May 18 14:44:12 2012 - DEBUG | REMOTE CLI Authorized; user(?)
Fri May 18 14:44:12 2012 - INFO | check
Fri May 18 14:44:12 2012 - INFO | running: /usr/sbin/getsebool -a
Fri May 18 14:44:12 2012 - INFO | received on stdout:
Fri May 18 14:44:12 2012 - DEBUG | received on stderr:
Fri May 18 14:44:12 2012 - INFO | running: /usr/sbin/semanage fcontext
-l | grep public_content_t
Fri May 18 14:44:12 2012 - INFO | received on stdout:
Fri May 18 14:44:12 2012 - DEBUG | received on stderr: /bin/sh:
/usr/sbin/semanage: Permission denied

Fri May 18 14:44:12 2012 - INFO | running: /usr/sbin/semanage fcontext
-l | grep httpd_sys_content_rw_t
Fri May 18 14:44:12 2012 - INFO | received on stdout:
Fri May 18 14:44:12 2012 - DEBUG | received on stderr: /bin/sh:
/usr/sbin/semanage: Permission denied

Fri May 18 14:44:12 2012 - INFO | running: httpd -v
Fri May 18 14:44:12 2012 - INFO | received on stdout:
Fri May 18 14:44:12 2012 - DEBUG | received on stderr: /bin/sh: httpd:
command not found

Fri May 18 14:44:12 2012 - DEBUG | get_items; ['repo']
Fri May 18 14:44:12 2012 - DEBUG | done with get_items; ['repo']
Fri May 18 14:44:12 2012 - DEBUG | get_items; ['profile']
Fri May 18 14:44:12 2012 - DEBUG | done with get_items; ['profile']

It seems that cobbler is not able to execute the various binary tools
that it want to execute when selinux is set to enforcing. In
permissive mode, everything works flawlessly.

Admitting that I'm a noob with both cobbler and selinux, what could I
do to make this setup work?

cobbler and SELinux

Newman, Stuart J. (GSFC-444.0)[HONEYWELL TECHNOLOGY SOLUTIONS INC] — 2012-05-18T12:51:24

The following four commands fail if SELinux is set to enforcing:

cobbler check
cobbler sync
cobbler import
cobbler reposync


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Stuart J. Newman
Engineer 4; Systems
Solar Dynamics Observatory (SDO)

Honeywell Technology Solutions Inc

NASA/Goddard Space Flight Center
Building 14, Room E222
Mail Stop 428.2
Greenbelt, MD 20771

Office: (301) 286-5145
EMail: Stuart.J.Newman< at >nasa.gov<mailto:Stuart.J.Newman< at >nasa.gov>


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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tftpboot files?

James Clendenan — 2012-05-17T00:46:19

Hey guys,

Cobbler version: 2.2.2

I'm trying to copy the clonezilla filesystem.squashfs into the images path
for cobbler, and it's coming up with some strange errors.

I noticed that the copy files seems to coming up with this error:

Wed May 16 17:09:00 2012 - ERROR | failed to copy file
/software/repos/linux/os/clonezilla/1.2.12-37/live/filesystem.squashfs to
/var/lib/tftpboot/images/clonezilla1-2-12/filesystem.squashfs for
clonezilla1-2-12

with this distro definition:

Name                           : clonezilla1-2-12
Architecture                   : x86_64
TFTP Boot Files                :
{'/var/lib/tftpboot/images/clonezilla1-2-12/filesystem.squashfs':
'/software/repos/linux/os/clonezilla/1.2.12-37/live/filesystem.squashfs'}
Breed                          : debian
Comment                        :
Fetchable Files                : {}
Initrd                         :
/software/repos/linux/os/clonezilla/1.2.12-37/live/initrd.img
Kernel                         :
/software/repos/linux/os/clonezilla/1.2.12-37/live/vmlinuz
Kernel Options                 : {'nomodeset': '~', 'edd': 'on',
'ocs_live_run': 'ocs-live-general', 'ocs_live_keymap': '', 'boot': 'live',
'vga': '788', 'noswap': '~', 'noprom}
Kernel Options (Post Install)  : {}
Kickstart Metadata             : {}
Management Classes             : []
OS Version                     : generic26
Owners                         : ['admin']
Red Hat Management Key         : <<inherit>>
Red Hat Management Server      : <<inherit>>
Template Files                 : {}

Does anyone have any initial thoughts or suggestions on how I can get this
to work? The wiki page for clonezilla is well out of date now, so I'll
likely also be updating it too.

Thanks,

JAmes
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some useful html5 tags.. for future reference

Greg Swift — 2012-05-14T14:20:44

7: <details>

It seems like every Web site needs to have an expanding/collapsing
block of text. While this is easy enough to do with JavaScript or
server-side code, the <details> tag makes it even easier. It does
exactly what we’ve all been doing for years now: makes a simple block
that expands and collapses the content when the header is clicked. The
<details> tag does not have widespread support yet, but it will soon.

10: <datalist>

The <datalist> tag acts like a combo box, where the system provides a
pre-made list of suggestions, but users are free to type in their own
input as well. There are tons of possible uses for this, such as a
search box pre-populated with items based on the user’s history. This
is another one of those things that currently requires a bunch of
JavaScript (or JavaScript libraries) to handle but that can be done
natively with HTML5.

from http://www.techrepublic.com/blog/10things/10-new-html5-tags-you-need-to-know-about/3219?tag=nl.e101

Just putting it out there that when the details one has wider spread
support in the browsers we might be able to scrub some more bits from
the webui code :)  The second one might be kewl to add to the filter,
I realize we could probably do this now too, we just dont.

-greg
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Help with Cobbler Upgrade to 2.2.2

2012-05-11T16:21:51

Hey Guys,

We have been using cobbler from last yr, and we were on version 2.0.X, after I upgraded to 2.2.2 I am getting sync fail with following msg. Any Clue ?

Exception occured: cobbler.cexceptions.CX
Exception value: 'Cannot find config file setting for: module'
Exception Info:
  File "/usr/lib/python2.4/site-packages/cobbler/remote.py", line 89, in run
    rc = self._run(self)
   File "/usr/lib/python2.4/site-packages/cobbler/remote.py", line 184, in runner
    return self.remote.api.sync(self.options.get("verbose",False),logger=self.logger)
   File "/usr/lib/python2.4/site-packages/cobbler/api.py", line 701, in sync
    return sync.run()
   File "/usr/lib/python2.4/site-packages/cobbler/action_sync.py", line 155, in run
    utils.run_triggers(self.api, None, "/var/lib/cobbler/triggers/sync/post/*", logger=self.logger)
   File "/usr/lib/python2.4/site-packages/cobbler/utils.py", line 916, in run_triggers
    rc = m.run(api, arglist, logger)
   File "/usr/lib/python2.4/site-packages/cobbler/modules/sync_post_restart_services.py", line 32, in run
    which_dns_module  = module_loader.get_module_from_file("dns","module",just_name=True).strip()
   File "/usr/lib/python2.4/site-packages/cobbler/module_loader.py", line 91, in get_module_from_file
    raise CX(_("Cannot find config file setting for: %s") % field)

!!! TASK FAILED !!!

Regards,
Ruchir Gaur
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cobbler status not working

Corey Kovacs — 2012-05-11T13:07:13

my cobbler install (2.2.1) is having problems with the 'cobbler status'
command.

It appears that the log files that get parsed are not getting the ip
address set and when it's parsed, there is an exception. I don't have that
exception right now, but it chokes on that field being assigned "None"
instead of an address. This install was upgraded from a 2.0.10 base which
already had system entries.

Issuing the cobbler status command, only reveals the current/last system to
be built. It is when I run the code by hand which is used in the
action_status.py file, that i get the exception. The cobbler status command
doesn't show an error other than only a single item being returned.

Any ideas where to look? I tried to find the code that writes to the log
file in question but no luck yet.

I do not have a way to update the install right now so I need to work with
what I have.

As always, any assistance is appreciated.

Corey
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Cobbler, steps to add and boot using EFI for Red Hat

Daniel Kertby — 2012-05-10T11:55:36

Hi experts,

We have the need to boot Red Hat clients using the EFI boot loader (grub.efi).

Anyone can provide the steps needed to integrate it in a good way?
I haven't found any good information while searching the mailing list
and the Internet.

Thanks in advance!

Daniel
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Cobbler EPEL RPM packages with ESXi5 modifications

Gonzalo Servat — 2012-05-10T03:01:58

Hi All,

I am trying to kickstart some ESXi5 installs through Cobbler, so I found a
commit that adds this functionality (
https://github.com/cobbler/cobbler/pull/95) which was merged into master. I
thought that might go into the unstable version of Cobbler, but I see the
cobbler packages have disappeared from epel-testing. I vaguely recall
someone saying they have been moved to EPEL stable?

Does this mean the EPEL Cobbler RPMs (stable or otherwise) are the latest
available? If so, any ideas when the newest Cobbler RPMs will be released
that include the gPXE and ESXi5 mods?

Without making major mods to Cobbler, is there any other way to install
ESXi5 with my current version (2.2.1) and no gPXE?

Thanks in advance.

Gonzalo
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cobbler replicate not working with distros

2012-05-08T06:38:00

Hi All,
I tried to would like to use cobbler sync but unfortunately I'm not able to rsync my only distro. Everything will be synced but for the distro I got an < at >ERROR: Unknown module. I also miss --delete option in rsync because otherwise files deleted on the master won't be deleted on the slave. Is there also a way to tunnel rsync through ssh?

The output looks like this.

[root< at >slave ks_mirror]# cobbler replicate --master=master --distros=centos62-minimal-x86_64 --prune
task started: 2012-05-08_082341_replicate
task started (id=Replicate, time=Tue May  8 08:23:41 2012)
cobbler_master   = master
profile_patterns = []
system_patterns  = []
omit_data        = False
sync_all         = False
using CLI defined master
XMLRPC endpoint: http://master/cobbler_api
test ALPHA
test BETA
Querying Both Servers
remote names struct is {'profile': [], 'repo': [], 'image': [], 'distro': ['centos62-minimal-x86_64']}
* Finding Explicit distro Matches
?: seeing if centos62-minimal-x86_64 looks like centos62-minimal-x86_64
* Finding Explicit profile Matches
* Finding Explicit repo Matches
* Finding Explicit image Matches
* Adding Profiles Required By Systems
* Adding Profiles Required By SubProfiles
* Adding Distros Required By Profiles
* Adding Repos Required By Profiles
* Adding Images Required By Systems
transfer list for distro is ['centos62-minimal-x86_64']
transfer list for profile is []
transfer list for repo is []
transfer list for image is []
Removing Objects Not Stored On Master
Rsyncing distros
running: rsync -avzH master::distro-centos62-minimal-x86_64 /var/www/cobbler/ks_mirror/centos62-minimal-x86_64
received on stdout:
received on stderr: < at >ERROR: Unknown module 'distro-centos62-minimal-x86_64'
rsync error: error starting client-server protocol (code 5) at main.c(1530) [receiver=3.0.6]

rsync failed
Rsyncing repos
Rsyncing distro repo configs
running: rsync -avzH master::cobbler-distros/config /var/www/cobbler/ks_mirror
received on stdout: receiving incremental file list

sent 38 bytes  received 66 bytes  208.00 bytes/sec
total size is 0  speedup is 0.00

received on stderr:
Rsyncing kickstart templates & snippets
running: rsync -avzH master::cobbler-kickstarts /var/lib/cobbler/kickstarts
received on stdout: receiving incremental file list

sent 40 bytes  received 174 bytes  428.00 bytes/sec
total size is 9848  speedup is 46.02

received on stderr:
running: rsync -avzH master::cobbler-snippets /var/lib/cobbler/snippets
received on stdout: receiving incremental file list

sent 38 bytes  received 779 bytes  1634.00 bytes/sec
total size is 57183  speedup is 69.99

received on stderr:
Rsyncing triggers
running: rsync -avzH master::cobbler-triggers /var/lib/cobbler/triggers
received on stdout: receiving incremental file list

sent 90 bytes  received 964 bytes  702.67 bytes/sec
total size is 0  speedup is 0.00

received on stderr:
Adding Objects Not Stored On Local
adding distro centos62-minimal-x86_64
Updating Objects Newer On Remote
Syncing
Done
*** TASK COMPLETE ***

Thank you very much for your help.

Manuel




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Installing bare-metal VMware ESXi servers

Gonzalo Servat — 2012-05-07T14:05:00

Hi All,

I have to deploy several VMware ESXi servers and given that ESXi uses
kickstart, naturally I thought why not use Cobbler to manage it.

I have looked up info on this subject, but haven't really found anyone that
describes how they deployed ESXi with Cobbler. I've found an interesting
paste by someone:

   http://pastebin.com/eNjWpf2k

... but who knows if they pasted that to help someone or to ask for help
because something didn't work?

Anyway, I plan on giving it a shot tomorrow, but just thought I'd post a
message up to get some feedback in the meantime.

Thanks!
Gonzalo
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Hostname, dhcp and dyndns

Johan Sunnerstig — 2012-05-07T08:04:39

Hello.
I have Cobbler setup and working nicely, but a new usage scenario has shown up for me.
I'll need to be able to deploy hosts using DHCP and having the host register itself using DDNS and TSIG. One problem here is that there are several different TSIG keys for different subdomains, so there will be some conditionals.
I also have Puppet running so worst case I could do it with that, but what would be really neat would be setting the hostname during the kickstart and having it register immediately so that you could just SSH into the host using the hostname right away.

Right now I'm thinking about having a script ask for the hostname and domain name in two separate reads, then doing a case statement to determine the TSIG, and finally using a here document to write the dhclient.conf so the host would register when it comes up after the post-install reboot.
Does this seem like a sensible approach or am I missing some nifty builtin function that could handle this better?

We're using ISC BIND/DHCPD and I just upgraded to Cobbler 2.2 by the way.

Regards
Johan Sunnerstig
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New stuff

James Cammarata — 2012-05-07T04:42:32

I've just merged two major branches of work into master. Neither of
these will be in 2.2.3, but will be in 2.4.x.

First is the branch containing changes to the power commands, which
going forward will use STDIN to pass arguments to the fence commands.
In addition to this, going forward only the fence_* commands will be
available for use through cobbler. The biggest impact of this will be
the fact that ipmitool can no longer be used directly, so people will
need to migrate to the fence_ipmilan tool (which uses ipmitool under
the hood anyway). I believe that was the only non-fence agent utility
that was available for use, but if there are others they will require
the same forced migration.

The biggest benefit of this new method is no more templates will be
required for simple use. Templates can be used optionally by creating
an /etc/cobbler/power/fence_<cmd> template, which will let you set
more options than the defaults required.

Second is the capability to change settings dynamically without a
restart of cobblerd has been merged in as well.

# cobbler setting --help
usage
=====
cobbler setting edit
cobbler setting report

In order to use this capability, you must add the option
"allow_dynamic_settings: 1" to /etc/cobbler/settings and then restart
cobblerd. From that point on, you can use the edit command or the web
GUI to change settings and they will take effect immediately without a
restart.

The largest caveat for using dynamic settings is the possibility of
corrupting your settings file. Right now, we're using augeas to
regenerate the YAML config, but due to the fact that the settings file
has grown organically over the years, it has very inconsistent white
space indents for lists and hashes. Augeas uses a fixed width and
won't touch existing lines, so it can break things when the white
space isn't consistent. To fix this, "cobbler check" will suggest this
command to cleanup the settings file:

"sed -i 's/^[[:space:]]\+/ /' /etc/cobbler/settings"

If you use dynamic settings, you should run this command (after making
a backup of course) to ensure you won't run into issues.

This is a stop-gap solution, and I'm considering making 2.4 the
version that will finally move settings to a JSON file. A recent
contribution enabled "pretty printing" of JSON, so it makes the files
much more readable than they are currently. Combined with the ability
to change settings dynamically (and to get info about them on the
fly), there really isn't a need for the YAML config anymore, which
will greatly simplify things. I had already hacked in the capability
to store the settings along with everything else in MongoDB, so having
all of cobbler's data in the same format will allow more things like
that.

Anyway, enjoy, and feedback is always appreciated!
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cobbler and memtest

mad — 2012-05-03T06:54:05

Hello,

I just wanted to create a memtest profile with the documentation

https://github.com/cobbler/cobbler/wiki/Memtest

The result is:

# cobbler image add --name=memtest86+ --file=/boot/memtest86+-4.10 --image-
type=direct
### ERROR ###
Unexpected remote error, check the server side logs for further info
<type 'exceptions.AttributeError'>:'NoneType' object has no attribute 
'os_version'

# cobbler --version
Cobbler 2.2.2

Anybody knows the problem or how to solve that?

Thanks in advance
mad

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