Christopher Johnston wrote: > I am running the latest cobbler 1.3.1. <http://1.3.1.> I have > /etc/cobbler/settings setup to not allow duplicate mac addresses and > hostname.
For development versions, the latest version is best defined as a "when" not a number. See the full output of "--version" if it's less than 5 minutes old :) This will also give me git information regarding any local modifications. > > [EMAIL PROTECTED] etc]# grep allow_dupl /etc/cobbler/settings > allow_duplicate_hostnames: 0 > allow_duplicate_ips: 0 > allow_duplicate_macs: 0 > Ok... > If we are relying on cobbler to manage DHCP addresses this could be a > bad thing if you have duplicate entries (for ip mac, etc) within a > single system record. Since I am currently using cobbler to stateless > boot initrd/vmlinuz to my systems in a large number of clusters I will > rely heavily on cobbler to maintain unique information for all my > systems which includes their network interfaces. Using the copy > feature is convenient if we want to mimic one system record to > another, but sounds like its more suited for using it to copy a system > record as a template (minimal information in the record thats static, > ie kopts, profile, etc). I noticed if I insert duplicate entries into > a system record it ends up overwriting other valid entries on my dhcp > server. > Not sure what you mean by "overwriting", you mean clobbering leases? Yes. > Could something like this be a configuration option that does stricter > checking, ie you do a copy of one system record to another and --mac > --ip --subnet --hostname (dns-name) is considered a mandatory field to > be entered? Might even be something that gets checked when you run > cobbler sync. Am I missing something here? > Sounds reasonable. How about filing a bug in Trac about putting some more restrictions on the copy operation? http://fedorahosted.org/cobbler This will probably not make 1.4.X as it likely requires some extra handling in both the API and the web application. > On Wed, Nov 26, 2008 at 5:11 AM, Michael DeHaan <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > Christopher Johnston wrote: > > Should this be allowed? Seems like this is not the appropriate > > behaviour given I could have multiple interfaces on a host, no? > > Duplicate hostname prevention is a feature in 1.2.X Cobbler, it is > disabled/enabled at the top of your settings file. > I believe multiple hostnames on the same system are exempt from those > restrictions. > > What version of cobbler are you running? (rpm -q cobbler) ? > > You mention a copy seems to be allowed. Yes, it is. This is one of > those things that is pretty much required to make the copy easy to > use, > since it's hard to copy everything and supply correct arguments on the > command line. Enforcing the check at the copy time is one of the > limitations of the duplicate hostname supression feature. It's > there as > a safeguard, but it's not flawless. A good tactic is to name your > systems after your hostname parameters and make sure they match. > (You > could probably even write some clever cobbler triggers to do more > checks > if you wanted) > > Also, I should point out in 1.3, the hostname field per interface has > been renamed to "--dns-name" and there is a global --hostname > that will set the /etc/sysconfig/network hostname. Configurations > will be migrated automatically so this is not something users will > need to worry about. > > --Michael > > > > [EMAIL PROTECTED] dhcpd]# cobbler system edit --name=foo > --interface=eth0 > > --hostname=foo > > [EMAIL PROTECTED] dhcpd]# cobbler system edit --name=foo > --interface=eth1 > > --hostname=foo > > [EMAIL PROTECTED] dhcpd]# cobbler system edit --name=foo > --interface=eth2 > > --hostname=foo > > [EMAIL PROTECTED] dhcpd]# cobbler sync > > [EMAIL PROTECTED] dhcpd]# > > > > [EMAIL PROTECTED] dhcpd]# cobbler system edit --name=foo > --interface=eth0 > > --hostname=foo --ip=1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > --subnet=255.255.255.0 <http://255.255.255.0> > > <http://255.255.255.0> > > [EMAIL PROTECTED] dhcpd]# cobbler system edit --name=foo > --interface=eth1 > > --hostname=foo --ip=1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > --subnet=255.255.255.0 <http://255.255.255.0> > > <http://255.255.255.0> > > [EMAIL PROTECTED] dhcpd]# cobbler system edit --name=foo > --interface=eth2 > > --hostname=foo --ip=1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > --subnet=255.255.255.0 <http://255.255.255.0> > > <http://255.255.255.0> > > [EMAIL PROTECTED] dhcpd]# cobbler sync > > > > [EMAIL PROTECTED] dhcpd]# cobbler system report --name=foo > > system : foo > > profile : Legacy-Image-v1.0 > > comment : > > created : Wed Nov 26 05:13:46 2008 > > image : > > kernel options : {} > > kernel options post : {} > > kickstart : <<inherit>> > > ks metadata : {} > > mgmt classes : [] > > modified : Wed Nov 26 05:18:03 2008 > > netboot enabled? : True > > owners : ['admin'] > > server : <<inherit>> > > template files : {} > > virt cpus : <<inherit>> > > virt file size : <<inherit>> > > virt path : <<inherit>> > > virt ram : <<inherit>> > > virt type : <<inherit>> > > power type : ipmitool > > power address : > > power user : > > power password : > > power id : > > interface : eth0 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > interface : eth1 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > interface : eth2 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > > > > > [EMAIL PROTECTED] dhcpd]# grep duplicate /etc/cobbler/settings > > # if 1, cobbler will allow insertions of system records that > duplicate > > allow_duplicate_hostnames: 0 > > # if 1, cobbler will allow insertions of system records that > duplicate > > allow_duplicate_ips: 0 > > # if 1, cobbler will allow insertions of system records that > duplicate > > allow_duplicate_macs: 0 > > > > Also a copy of a system record seems to be allowed, but not > forcing me > > to change any of the unique data in the record such as ip, > hostname or > > mac address. See below. > > > > system : foo > > profile : Legacy-Image-v1.0 > > comment : > > created : Wed Nov 26 05:13:46 2008 > > image : > > kernel options : {} > > kernel options post : {} > > kickstart : <<inherit>> > > ks metadata : {} > > mgmt classes : [] > > modified : Wed Nov 26 05:18:03 2008 > > netboot enabled? : True > > owners : ['admin'] > > server : <<inherit>> > > template files : {} > > virt cpus : <<inherit>> > > virt file size : <<inherit>> > > virt path : <<inherit>> > > virt ram : <<inherit>> > > virt type : <<inherit>> > > power type : ipmitool > > power address : > > power user : > > power password : > > power id : > > interface : eth0 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > interface : eth1 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > interface : eth2 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > > > system : foo1 > > profile : Legacy-Image-v1.0 > > comment : > > created : Wed Nov 26 05:13:46 2008 > > image : > > kernel options : {} > > kernel options post : {} > > kickstart : <<inherit>> > > ks metadata : {} > > mgmt classes : [] > > modified : Wed Nov 26 05:22:00 2008 > > netboot enabled? : True > > owners : ['admin'] > > server : <<inherit>> > > template files : {} > > virt cpus : <<inherit>> > > virt file size : <<inherit>> > > virt path : <<inherit>> > > virt ram : <<inherit>> > > virt type : <<inherit>> > > power type : ipmitool > > power address : > > power user : > > power password : > > power id : > > interface : eth0 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > interface : eth1 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > interface : eth2 > > bonding : > > bonding_master : > > bonding_opts : > > dhcp tag : > > gateway : > > hostname : foo > > ip address : 1.2.3.4 <http://1.2.3.4> <http://1.2.3.4> > > is static? : False > > mac address : 00:00:00:12:34:56 > > subnet : 255.255.255.0 <http://255.255.255.0> > <http://255.255.255.0> > > virt bridge : > > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > cobbler mailing list > > [email protected] > <mailto:[email protected]> > > https://fedorahosted.org/mailman/listinfo/cobbler > > > > _______________________________________________ > cobbler mailing list > [email protected] <mailto:[email protected]> > https://fedorahosted.org/mailman/listinfo/cobbler > > > ------------------------------------------------------------------------ > > _______________________________________________ > cobbler mailing list > [email protected] > https://fedorahosted.org/mailman/listinfo/cobbler > _______________________________________________ cobbler mailing list [email protected] https://fedorahosted.org/mailman/listinfo/cobbler
