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"""
A Cobbler Profile. A profile is a reference to a distribution, possibly some kernel
options, possibly some Xen options, and some kickstart data.
Michael DeHaan <mdehaan@redhat.com>
"""
import utils
import item
from cobbler_exception import CobblerException
class Profile(item.Item):
def __init__(self,config):
"""
Constructor. Requires a backreference to Config.
"""
self.config = config
self.clear()
def clear(self):
"""
Reset this object.
"""
self.name = None
self.distro = None # a name, not a reference
self.kickstart = None
self.kernel_options = ''
self.xen_name = 'xenguest'
self.xen_file_size = 5 # GB
self.xen_ram = 2048 # MB
self.xen_mac = ''
self.xen_paravirt = True
def from_datastruct(self,seed_data):
"""
Load this object's properties based on seed_data
"""
self.name = seed_data['name']
self.distro = seed_data['distro']
self.kickstart = seed_data['kickstart']
self.kernel_options = seed_data['kernel_options']
self.xen_name = seed_data['xen_name']
if not self.xen_name or self.xen_name == '':
self.xen_name = self.name
self.xen_ram = seed_data['xen_ram']
self.xen_file_size = seed_data['xen_file_size']
self.xen_mac = seed_data['xen_mac']
self.xen_paravirt = seed_data['xen_paravirt']
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 CobblerException("no_distro")
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 CobblerException("no_kickstart")
def set_xen_name(self,str):
"""
For Xen only.
Specifies what xenguest install should use for --name.
xen-net-install may do conflict resolution, so this is mostly
a hint... To keep the shell happy, the 'str' cannot
contain wildcards or slashes and may be subject to some other
untainting later.
"""
# no slashes or wildcards
for bad in [ '/', '*', '?' ]:
if str.find(bad) != -1:
return False
self.xen_name = str
return True
def set_xen_file_size(self,num):
"""
For Xen only.
Specifies the size of the Xen image in gigabytes. xen-net-install
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 False
self.xen_file_size = inum
if inum >= 0:
return True
return False
except:
return False
def set_xen_mac(self,mac):
"""
For Xen only.
Specifies the mac address (or possibly later, a range) that
xen-net-install should try to set on the domU. Seeing these
have a good chance of conflicting with other domU's, especially
on a network, this setting is fairly experimental at this time.
It's recommended that it *not* be used until we can get
decent use cases for how this might work.
"""
# mac needs to be in mac format AA:BB:CC:DD:EE:FF or a range
# ranges currently *not* supported, so we'll fail them
if utils.is_mac(mac):
self.xen_mac = mac
return True
else:
return False
def set_xen_paravirt(self,truthiness):
"""
For Xen only.
Specifies whether the system is a paravirtualized system or not.
For ordinary computers, you want to pick 'true'. Method accepts string
'true'/'false' in all cases, or Python True/False.
"""
# truthiness needs to be True or False, or (lcased) string equivalents
# yes, we *do* want to explicitly test against True/False
# the string "foosball" is True, and that is not a valid argument for this function
try:
if (truthiness == False or truthiness.lower() == 'false'):
self.xen_paravirt = False
elif (truthiness == True or truthiness.lower() == 'true'):
self.xen_paravirt = True
else:
return False
except:
return False
return True
def is_valid(self):
"""
A profile only needs a name and a distro. Kickstart info,
as well as Xen 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,
'xen_name' : self.xen_name,
'xen_file_size' : self.xen_file_size,
'xen_ram' : self.xen_ram,
'xen_mac' : self.xen_mac,
'xen_paravirt' : self.xen_paravirt
}
def printable(self):
"""
A human readable representaton
"""
buf = ""
buf = buf + "profile : %s\n" % self.name
buf = buf + "distro : %s\n" % self.distro
buf = buf + "kickstart : %s\n" % self.kickstart
buf = buf + "kernel opts : %s" % self.kernel_options
buf = buf + "xen name : %s" % self.xen_name
buf = buf + "xen file size : %s" % self.xen_file_size
buf = buf + "xen ram : %s" % self.xen_ram
buf = buf + "xen mac : %s" % self.xen_mac
buf = buf + "xen paravirt : %s" % self.xen_paravirt
return buf
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