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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 rhpl.translate import _, N_, textdomain, utf8
class Profile(item.Item):
TYPE_NAME = _("profile")
def make_clone(self):
ds = self.to_datastruct()
cloned = Profile(self.config)
cloned.from_datastruct(ds)
return cloned
def clear(self):
"""
Reset this object.
"""
self.name = None
self.distro = None # a name, not a reference
self.kickstart = self.settings.default_kickstart
self.kernel_options = {}
self.ks_meta = {}
self.virt_file_size = 5 # GB. 5 = Decent _minimum_ default for FC5.
self.virt_ram = 512 # MB. Install with 256 not likely to pass
self.repos = "" # names of cobbler repo definitions
def from_datastruct(self,seed_data):
"""
Load this object's properties based on seed_data
"""
self.name = self.load_item(seed_data,'name')
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', [])
# backwards compatibility
if type(self.repos) != list:
self.set_repos(self.repos)
# virt specific
self.virt_ram = self.load_item(seed_data,'virt_ram')
self.virt_file_size = self.load_item(seed_data,'virt_file_size')
# backwards compatibility -- convert string entries to dicts for storage
if type(self.kernel_options) != dict:
self.set_kernel_options(self.kernel_options)
if type(self.ks_meta) != dict:
self.set_ksmeta(self.ks_meta)
return self
def set_distro(self,distro_name):
"""
Sets the distro. This must be the name of an existing
Distro object in the Distros collection.
"""
if self.config.distros().find(distro_name):
self.distro = distro_name
return True
raise CX(_("distribution not found"))
def set_repos(self,repos):
if type(repos) != list:
# allow backwards compatibility support of string input
repolist = repos.split(None)
else:
repolist = repos
ok = True
try:
repolist.remove('')
except:
pass
for r in repolist:
if not self.config.repos().find(r):
ok = False
break
if ok:
self.repos = repolist
else:
raise CX(_("repository not found"))
def set_kickstart(self,kickstart):
"""
Sets the kickstart. This must be a NFS, HTTP, or FTP URL.
Minor checking of the URL is performed here.
"""
if utils.find_kickstart(kickstart):
self.kickstart = kickstart
return True
raise CX(_("kickstart not found"))
def set_virt_file_size(self,num):
"""
For Virt only.
Specifies the size of the virt image in gigabytes. koan
may contain some logic to ignore 'illogical' values of this size,
though there are no guarantees. 0 tells koan to just
let it pick a semi-reasonable size. When in doubt, specify the
size you want.
"""
# num is a non-negative integer (0 means default)
try:
inum = int(num)
if inum != float(num):
return CX(_("invalid virt file size"))
if inum >= 0:
self.virt_file_size = inum
return True
raise CX(_("invalid virt file size"))
except:
raise CX(_("invalid virt file size"))
def set_virt_ram(self,num):
"""
For Virt only.
Specifies the size of the Virt RAM in MB.
0 tells Koan to just choose a reasonable default.
"""
# num is a non-negative integer (0 means default)
try:
inum = int(num)
if inum != float(num):
return CX(_("invalid virt ram size"))
if inum >= 0:
self.virt_ram = inum
return True
return CX(_("invalid virt ram size"))
except:
return CX(_("invalid virt ram size"))
def get_parent(self):
"""
Return object next highest up the tree.
"""
return self.config.distros().find(self.distro)
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).
"""
for x in (self.name, self.distro):
if x is None:
return False
return True
def to_datastruct(self):
"""
Return hash representation for the serializer
"""
return {
'name' : self.name,
'distro' : self.distro,
'kickstart' : self.kickstart,
'kernel_options' : self.kernel_options,
'virt_file_size' : self.virt_file_size,
'virt_ram' : self.virt_ram,
'ks_meta' : self.ks_meta,
'repos' : self.repos
}
def printable(self):
"""
A human readable representaton
"""
buf = _("profile : %s\n") % self.name
buf = buf + _("distro : %s\n") % self.distro
buf = buf + _("kickstart : %s\n") % self.kickstart
buf = buf + _("kernel options : %s\n") % self.kernel_options
buf = buf + _("ks metadata : %s\n") % self.ks_meta
buf = buf + _("virt file size : %s\n") % self.virt_file_size
buf = buf + _("virt ram : %s\n") % self.virt_ram
buf = buf + _("repos : %s\n") % self.repos
return buf
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