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"""
A Cobbler System.
Michael DeHaan <mdehaan@redhat.com>
"""
import utils
import item
class System(item.Item):
def __init__(self,config):
self.config = config
self.clear()
def clear(self):
self.name = None
self.profile = None # a name, not a reference
self.kernel_options = ""
def from_datastruct(self,seed_data):
self.name = seed_data['name']
self.profile = seed_data['profile']
self.kernel_options = seed_data['kernel_options']
return self
def set_name(self,name):
"""
A name can be a resolvable hostname (it instantly resolved and replaced with the IP),
any legal ipv4 address, or any legal mac address. ipv6 is not supported yet but _should_ be.
See utils.py
"""
new_name = utils.find_system_identifier(name)
if not new_name:
utils.set_error("bad_sys_name")
return False
self.name = name # we check it add time, but store the original value.
return True
def set_profile(self,profile_name):
"""
Set the system to use a certain named profile. The profile
must have already been loaded into the Profiles collection.
"""
if self.config.profiles().find(profile_name):
self.profile = profile_name
return True
return False
def is_valid(self):
"""
A system is valid when it contains a valid name and a profile.
"""
if self.name is None:
utils.set_error("bad_sys_name")
return False
if self.profile is None:
return False
return True
def to_datastruct(self):
return {
'name' : self.name,
'profile' : self.profile,
'kernel_options' : self.kernel_options
}
def printable(self):
buf = ""
buf = buf + "system : %s\n" % self.name
buf = buf + "profile : %s\n" % self.profile
buf = buf + "kernel opts : %s" % self.kernel_options
return buf
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