Hello --
Thanks for the reply. Yes, I saw that it was renamed, and I'm able to
properly manipulate netmask-eth0. The only problem is when running a
cobbler sync, /etc/dhcpd.conf is regenerated with the deprecated
subnet value instead of the value I set for netmask-eth0. Here's the
revelant stanza that's produced by cobbler sync from the host I was
working with in the original email.
host <redacted> {
hardware ethernet 78:2b:cb:1e:a0:3d;
fixed-address 69.55.48.164;
option subnet-mask 255.255.255.224;
option routers 69.55.48.129;
default-lease-time 21600;
max-lease-time 43200;
filename "/pxelinux.0";
next-server 10.15.254.5;
}
255.255.255.224 = subnet value, 255.255.255.128 = netmask-eth0 value.
This causes PXE boots to fail when we need to modify our subnet mask.
If netmask-eth0 was used, we'd be in good shape. Is there a way to
remove or modify the deprecated subnet field, or a way for dhcpd.conf
to use the expected netmask-eth0 value?
-Neal
On Thu, Jan 26, 2012 at 4:28 PM, Michael DeHaan <[email protected]>wrote:
> This was renamed to net mask in a previous version of the app.
>
> Looking at the code (item_system.py)
>
>
> if not self.interfaces.has_key(name):
> self.interfaces[name] = {
> "mac_address" : "",
> "mtu" : "",
> "ip_address" : "",
> "dhcp_tag" : "",
> "subnet" : "", # deprecated
> "netmask" : "",
>
> The net mask line needs to be deleted here -- we shouldn't be adding the old
> field back when making new objects.
>
> 5000 imaginary Cobbler points if someone would like to remove it and test
> that everything's still cool.
>
> --Michael
>
>
> On Thursday, January 26, 2012 at 4:21 PM, Neal Shrader wrote:
>
> Hello --
>
> I've got a little problem regarding cobbler system netmasks, and
> interfacing with them through xmlrpc API. I'm using a system that was
> recently upgraded to cobbler 2.3.1. From what I can tell, the subnet field
> was deprecated, but I still seem to be getting it in my output, and it's
> affecting our cobbler syncs. To state it explicitly:
>
> ===
>
> >>> import xmlrpclib
> >>> cobserver = xmlrpclib.Server("http://127.0.0.1/cobbler_api";)
> >>> cobserver.get_system('1301')
> {'comment': '', 'status': 'production', 'kickstart': '<<inherit>>',
> 'name_servers_search': [], 'ks_meta': {}, 'kernel_options_post': {},
> 'image': '', 'redhat_management_key': '<<inherit>>', 'power_type':
> 'ipmitool', 'power_user': '', 'kernel_options': {}, 'name_servers': [],
> 'mtime': 1327611145.296062, 'template_files': {}, 'gateway':
> '69.55.48.129', 'uid': 'MTMwNDU0MzM2OC40NjIyNDQwODEuNTEzMTk',
> 'virt_auto_boot': 0, 'monit_enabled': False, 'virt_cpus': '<<inherit>>',
> 'mgmt_parameters': '<<inherit>>', 'boot_files': {}, 'hostname':
> '<redacted>', 'repos_enabled': False, 'mgmt_classes': [], 'power_pass': '',
> 'netboot_enabled': False, 'ipv6_autoconfiguration': False, 'profile':
> 'dedicated-centos-5-x86_64', 'virt_type': 'xenpv', 'interfaces': {'eth0':
> {'ipv6_address': '', 'interface_type': '', 'static': True, 'mtu': '',
> 'bonding_master': '', 'gateway': '69.55.48.129', 'subnet':
> '255.255.255.224', 'management': True, 'interface_master': '', 'hostname':
> '<redacted>', 'filename': '/pxelinux.0', 'mac_address':
> '78:2b:cb:1e:a0:3d', 'netboot_enabled': False, 'distro': {'comment': '',
> 'kernel': '/var/lib/cobbler/imgs/centos-5.7-x86_64/vmlinuz', 'uid':
> 'MTMxNjYxNTg1OC44ODc5ODUxMy44NjIzNDU', 'kernel_options_post': {},
> 'redhat_management_key': '<<inherit>>', 'kernel_options': {},
> 'redhat_management_server': '<<inherit>>', 'initrd':
> '/var/lib/cobbler/imgs/centos-5.7-x86_64/initrd.img', 'mtime':
> 1316615894.2218969, 'template_files': {}, 'ks_meta': {'tree': '
> http://yum.realitychecknetwork.com/mirror/centos/5.7/os/x86_64/'},
> 'boot_files': {}, 'breed': 'redhat', 'os_version': 'rhel5', 'mgmt_classes':
> ['base'], 'fetchable_files': {}, 'tree_build_time': 0, 'arch': 'x86_64',
> 'name': 'dedicated-centos-5.7-x86_64', 'owners': ['admin'], 'ctime':
> 1316615858.881011, 'source_repos': [], 'depth': 0}, 'virt_bridge':
> 'xenbr0', 'bonding': '', 'bonding_opts': '', 'ipv6_mtu': '', 'ip_address':
> '69.55.48.164', 'dhcp_tag': '', 'name': '<redacted>', 'static_routes': [],
> 'ipv6_static_routes': [], 'dns_name': '<redacted>', 'netmask':
> '255.255.255.128', 'bridge_opts': '', 'ipv6_secondaries': [],
> 'next_server': '10.15.254.5', 'ipv6_default_gateway': ''}}, 'virt_path':
> '<<inherit>>', 'power_address': '', 'proxy': '<<inherit>>',
> 'fetchable_files': {}, 'virt_file_size': '<<inherit>>', 'ldap_enabled':
> False, 'ipv6_default_device': '', 'ctime': 1304543368.45784,
> 'virt_disk_driver': '<<inherit>>', 'owners': ['admin'], 'name': '1301',
> 'virt_ram': '<<inherit>>', 'power_id': '', 'server': '<<inherit>>',
> 'redhat_management_server': '<<inherit>>', 'depth': 2, 'ldap_type':
> 'authconfig', 'template_remote_kickstarts': 0}
> >>>
>
> ===
>
> Note in the above I have a netmask = 255.255.255.128 which is associated
> with the interface (eth0). I also seem to have a "subnet" value which is
> set to 255.255.255.224. I can modify the interface netmask fine:
>
> ===
>
> >>> token = cobserver.login(USERNAME,PASSWORD)
> >>> handle = cobserver.get_system_handle('1301',token)
> >>>
> >>> cobserver.modify_system(handle, 'modify_interface', { "netmask-eth0" :
> "255.255.255.252" }, token )
> True
> >>>
> >>> cobserver.get_system('1301')
> {'comment': '', 'status': 'production', 'kickstart': '<<inherit>>',
> 'name_servers_search': [], 'ks_meta': {}, 'kernel_options_post': {},
> 'image': '', 'redhat_management_key': '<<inherit>>', 'power_type':
> 'ipmitool', 'power_user': '', 'kernel_options': {}, 'name_servers': [],
> 'mtime': 1327611145.296062, 'template_files': {}, 'gateway':
> '69.55.48.129', 'uid': 'MTMwNDU0MzM2OC40NjIyNDQwODEuNTEzMTk',
> 'virt_auto_boot': 0, 'monit_enabled': False, 'virt_cpus': '<<inherit>>',
> 'mgmt_parameters': '<<inherit>>', 'boot_files': {}, 'hostname':
> '<redacted>', 'repos_enabled': False, 'mgmt_classes': [], 'power_pass': '',
> 'netboot_enabled': False, 'ipv6_autoconfiguration': False, 'profile':
> 'dedicated-centos-5-x86_64', 'virt_type': 'xenpv', 'interfaces': {'eth0':
> {'ipv6_address': '', 'interface_type': '', 'static': True, 'mtu': '',
> 'bonding_master': '', 'gateway': '69.55.48.129', 'subnet':
> '255.255.255.224', 'management': True, 'interface_master': '', 'hostname':
> '<redacted>', 'filename': '/pxelinux.0', 'mac_address':
> '78:2b:cb:1e:a0:3d', 'netboot_enabled': False, 'distro': {'comment': '',
> 'kernel': '/var/lib/cobbler/imgs/centos-5.7-x86_64/vmlinuz', 'uid':
> 'MTMxNjYxNTg1OC44ODc5ODUxMy44NjIzNDU', 'kernel_options_post': {},
> 'redhat_management_key': '<<inherit>>', 'kernel_options': {},
> 'redhat_management_server': '<<inherit>>', 'initrd':
> '/var/lib/cobbler/imgs/centos-5.7-x86_64/initrd.img', 'mtime':
> 1316615894.2218969, 'template_files': {}, 'ks_meta': {'tree': '
> http://yum.realitychecknetwork.com/mirror/centos/5.7/os/x86_64/'},
> 'boot_files': {}, 'breed': 'redhat', 'os_version': 'rhel5', 'mgmt_classes':
> ['base'], 'fetchable_files': {}, 'tree_build_time': 0, 'arch': 'x86_64',
> 'name': 'dedicated-centos-5.7-x86_64', 'owners': ['admin'], 'ctime':
> 1316615858.881011, 'source_repos': [], 'depth': 0}, 'virt_bridge':
> 'xenbr0', 'bonding': '', 'bonding_opts': '', 'ipv6_mtu': '', 'ip_address':
> '69.55.48.164', 'dhcp_tag': '', 'name': '<redacted>', 'static_routes': [],
> 'ipv6_static_routes': [], 'dns_name': '<redacted>', 'netmask':
> '255.255.255.252', 'bridge_opts': '', 'ipv6_secondaries': [],
> 'next_server': '10.15.254.5', 'ipv6_default_gateway': ''}}, 'virt_path':
> '<<inherit>>', 'power_address': '', 'proxy': '<<inherit>>',
> 'fetchable_files': {}, 'virt_file_size': '<<inherit>>', 'ldap_enabled':
> False, 'ipv6_default_device': '', 'ctime': 1304543368.45784,
> 'virt_disk_driver': '<<inherit>>', 'owners': ['admin'], 'name': '1301',
> 'virt_ram': '<<inherit>>', 'power_id': '', 'server': '<<inherit>>',
> 'redhat_management_server': '<<inherit>>', 'depth': 2, 'ldap_type':
> 'authconfig', 'template_remote_kickstarts': 0}
>
> ===
>
> However that other subnet value, I don't seem to have a way to edit or
> remove that I'm aware of.
>
> The problem with this is when I attempt to cobbler sync, dhcpd.conf is
> updated with that global subnet value instead of the netmask value that I
> set myself. How do I remove or edit the incorrect subnet value? Am I
> doing something wrong, or is this a bug?
>
> Thank you for looking!
>
> -Neal
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