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"""
A Cobbler Profile. A profile is a reference to a distribution, possibly some kernel options, possibly some Virt options, and some kickstart data.
Copyright 2006, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>
This software may be freely redistributed under the terms of the GNU
general public license.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
import utils
import item
from cexceptions import *
from utils import _
class Profile(item.Item):
TYPE_NAME = _("profile")
COLLECTION_TYPE = "profile"
def make_clone(self):
ds = self.to_datastruct()
cloned = Profile(self.config)
cloned.from_datastruct(ds)
return cloned
def clear(self,is_subobject=False):
"""
Reset this object.
"""
self.name = None
self.owners = self.settings.default_ownership
self.distro = (None, '<<inherit>>')[is_subobject]
self.kickstart = (self.settings.default_kickstart , '<<inherit>>')[is_subobject]
self.kernel_options = ({}, '<<inherit>>')[is_subobject]
self.ks_meta = ({}, '<<inherit>>')[is_subobject]
self.virt_cpus = (1, '<<inherit>>')[is_subobject]
self.virt_file_size = (self.settings.default_virt_file_size, '<<inherit>>')[is_subobject]
self.virt_ram = (self.settings.default_virt_ram, '<<inherit>>')[is_subobject]
self.repos = ([], '<<inherit>>')[is_subobject]
self.depth = 1
self.virt_type = (self.settings.default_virt_type, '<<inherit>>')[is_subobject]
self.virt_path = ("", '<<inherit>>')[is_subobject]
self.virt_bridge = (self.settings.default_virt_bridge, '<<inherit>>')[is_subobject]
self.dhcp_tag = ("default", '<<inherit>>')[is_subobject]
self.parent = ''
self.server = "<<inherit>>"
def from_datastruct(self,seed_data):
"""
Load this object's properties based on seed_data
"""
self.parent = self.load_item(seed_data,'parent','')
self.name = self.load_item(seed_data,'name')
self.owners = self.load_item(seed_data,'owners',self.settings.default_ownership)
self.distro = self.load_item(seed_data,'distro')
self.kickstart = self.load_item(seed_data,'kickstart')
self.kernel_options = self.load_item(seed_data,'kernel_options')
self.ks_meta = self.load_item(seed_data,'ks_meta')
self.repos = self.load_item(seed_data,'repos', [])
self.depth = self.load_item(seed_data,'depth', 1)
self.dhcp_tag = self.load_item(seed_data,'dhcp_tag', 'default')
self.server = self.load_item(seed_data,'server', '<<inherit>>')
# backwards compatibility
if type(self.repos) != list:
# ensure we are formatted correctly though if some repo
# defs don't exist on this side, don't fail as we need
# to convert everything -- cobbler check can report it
self.set_repos(self.repos,bypass_check=True)
self.set_parent(self.parent)
# virt specific
self.virt_ram = self.load_item(seed_data,'virt_ram',self.settings.default_virt_ram)
self.virt_file_size = self.load_item(seed_data,'virt_file_size',self.settings.default_virt_file_size)
self.virt_path = self.load_item(seed_data,'virt_path')
self.virt_type = self.load_item(seed_data,'virt_type', self.settings.default_virt_type)
self.virt_bridge = self.load_item(seed_data,'virt_bridge', self.settings.default_virt_bridge)
self.virt_cpus = self.load_item(seed_data,'virt_cpus',1)
# backwards compatibility -- convert string entries to dicts for storage
if self.kernel_options != "<<inherit>>" and type(self.kernel_options) != dict:
self.set_kernel_options(self.kernel_options)
if self.ks_meta != "<<inherit>>" and type(self.ks_meta) != dict:
self.set_ksmeta(self.ks_meta)
if self.repos != "<<inherit>>" and type(self.ks_meta) != list:
self.set_repos(self.repos,bypass_check=True)
self.set_owners(self.owners)
return self
def set_parent(self,parent_name):
"""
Instead of a --distro, set the parent of this object to another profile
and use the values from the parent instead of this one where the values
for this profile aren't filled in, and blend them together where they
are hashes. Basically this enables profile inheritance. To use this,
the object MUST have been constructed with is_subobject=True or the
default values for everything will be screwed up and this will likely NOT
work. So, API users -- make sure you pass is_subobject=True into the
constructor when using this.
"""
if parent_name is None or parent_name == '':
self.parent = ''
return True
if parent_name == self.name:
# check must be done in two places as set_parent could be called before/after
# set_name...
raise CX(_("self parentage is weird"))
found = self.config.profiles().find(name=parent_name)
if found is None:
raise CX(_("profile %s not found, inheritance not possible") % parent_name)
self.parent = parent_name
self.depth = found.depth + 1
return True
def set_distro(self,distro_name):
"""
Sets the distro. This must be the name of an existing
Distro object in the Distros collection.
"""
d = self.config.distros().find(name=distro_name)
if d is not None:
self.distro = distro_name
self.depth = d.depth +1 # reset depth if previously a subprofile and now top-level
return True
raise CX(_("distribution not found"))
def set_dhcp_tag(self,dhcp_tag):
self.dhcp_tag = dhcp_tag
return True
def set_server(self,server):
self.server = server
return True
def set_kickstart(self,kickstart):
"""
Sets the kickstart. This must be a NFS, HTTP, or FTP URL.
Or filesystem path. Minor checking of the URL is performed here.
"""
if kickstart == "<<inherit>>":
self.kickstart = kickstart
return True
if utils.find_kickstart(kickstart):
self.kickstart = kickstart
return True
raise CX(_("kickstart not found"))
def set_virt_cpus(self,num):
return utils.set_virt_cpus(self,num)
def set_virt_file_size(self,num):
return utils.set_virt_file_size(self,num)
def set_virt_ram(self,num):
return utils.set_virt_ram(self,num)
def set_virt_type(self,vtype):
return utils.set_virt_type(self,vtype)
def set_virt_bridge(self,vbridge):
self.virt_bridge = vbridge
return True
def set_virt_path(self,path):
return utils.set_virt_path(self,path)
def set_repos(self,repos,bypass_check=False):
return utils.set_repos(self,repos,bypass_check)
def get_parent(self):
"""
Return object next highest up the tree.
"""
if self.parent is None or self.parent == '':
result = self.config.distros().find(name=self.distro)
else:
result = self.config.profiles().find(name=self.parent)
return result
def is_valid(self):
"""
A profile only needs a name and a distro. Kickstart info,
as well as Virt info, are optional. (Though I would say provisioning
without a kickstart is *usually* not a good idea).
"""
if self.parent is None or self.parent == '':
# all values must be filled in if not inheriting from another profile
if self.name is None:
raise CX(_("no name specified"))
if self.distro is None:
raise CX(_("no distro specified"))
else:
# if inheriting, specifying distro is not allowed, and
# name is required, but there are no other rules.
if self.name is None:
raise CX(_("no name specified"))
if self.distro != "<<inherit>>":
raise CX(_("cannot override distro when inheriting a profile"))
return True
def to_datastruct(self):
"""
Return hash representation for the serializer
"""
return {
'name' : self.name,
'owners' : self.owners,
'distro' : self.distro,
'kickstart' : self.kickstart,
'kernel_options' : self.kernel_options,
'virt_file_size' : self.virt_file_size,
'virt_ram' : self.virt_ram,
'virt_bridge' : self.virt_bridge,
'virt_cpus' : self.virt_cpus,
'ks_meta' : self.ks_meta,
'repos' : self.repos,
'parent' : self.parent,
'depth' : self.depth,
'virt_type' : self.virt_type,
'virt_path' : self.virt_path,
'dhcp_tag' : self.dhcp_tag,
'server' : self.server,
}
def printable(self):
"""
A human readable representaton
"""
buf = _("profile : %s\n") % self.name
if self.distro == "<<inherit>>":
buf = buf + _("parent : %s\n") % self.parent
else:
buf = buf + _("distro : %s\n") % self.distro
buf = buf + _("dhcp tag : %s\n") % self.dhcp_tag
buf = buf + _("kernel options : %s\n") % self.kernel_options
buf = buf + _("kickstart : %s\n") % self.kickstart
buf = buf + _("ks metadata : %s\n") % self.ks_meta
buf = buf + _("owners : %s\n") % self.owners
buf = buf + _("repos : %s\n") % self.repos
buf = buf + _("server : %s\n") % self.server
buf = buf + _("virt bridge : %s\n") % self.virt_bridge
buf = buf + _("virt cpus : %s\n") % self.virt_cpus
buf = buf + _("virt file size : %s\n") % self.virt_file_size
buf = buf + _("virt path : %s\n") % self.virt_path
buf = buf + _("virt ram : %s\n") % self.virt_ram
buf = buf + _("virt type : %s\n") % self.virt_type
return buf
def remote_methods(self):
return {
'name' : self.set_name,
'parent' : self.set_parent,
'profile' : self.set_name,
'distro' : self.set_distro,
'kickstart' : self.set_kickstart,
'kopts' : self.set_kernel_options,
'virt-file-size' : self.set_virt_file_size,
'virt-ram' : self.set_virt_ram,
'ksmeta' : self.set_ksmeta,
'repos' : self.set_repos,
'virt-path' : self.set_virt_path,
'virt-type' : self.set_virt_type,
'virt-bridge' : self.set_virt_bridge,
'virt-cpus' : self.set_virt_cpus,
'dhcp-tag' : self.set_dhcp_tag,
'server' : self.set_server,
'owners' : self.set_owners
}
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