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"""
A Cobbler Image. Tracks a virtual or physical image, as opposed to a answer
file (kickstart) led installation.
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 Image(item.Item):
TYPE_NAME = _("image")
COLLECTION_TYPE = "image"
def make_clone(self):
ds = self.to_datastruct()
cloned = Image(self.config)
cloned.from_datastruct(ds)
return cloned
def clear(self,is_subobject=False):
"""
Reset this object.
"""
self.name = ''
self.file = ''
self.xml_file = ''
self.parent = ''
self.depth = 0
self.virt_ram = self.settings.default_virt_ram
self.virt_file_size = self.settings.default_virt_file_size
self.virt_path = ''
self.virt_type = self.settings.default_virt_type
self.virt_cpus = 1
self.virt_bridge = self.settings.default_virt_bridge
self.owners = self.settings.default_ownership
def from_datastruct(self,seed_data):
"""
Load this object's properties based on seed_data
"""
self.name = self.load_item(seed_data,'name','')
self.parent = self.load_item(seed_data,'parent','')
self.file = self.load_item(seed_data,'file','')
self.file = self.load_item(seed_data,'xml_file','')
self.depth = self.load_item(seed_data,'depth',0)
self.owners = self.load_item(seed_data,'owners',self.settings.default_ownership)
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_cpus = self.load_item(seed_data, 'virt_cpus')
self.virt_bridge = self.load_item(seed_data, 'virt_bridge', self.settings.default_virt_bridge)
self.set_owners(self.owners)
return self
def set_file(self,filename):
"""
Stores the image location. This should be accessible on all nodes
that need to access it. Format: either /mnt/commonpath/foo.iso or
nfs://host/path/foo.iso
"""
# FIXME: this should accept NFS paths or filesystem paths
self.file = filename
return True
def set_xml_file(self,filename):
"""
Stores an xmlfile for virt-image. This should be accessible
on all nodes that need to access it also. See set_file.
"""
self.xml_file = filename
return True
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 get_parent(self):
"""
Return object next highest up the tree.
"""
return None # no parent
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.file is None or self.file == '':
raise CX(_("no file specified"))
if self.name is None or self.name == '':
raise CX(_("no name specified"))
return True
# FIXME: add virt parameters here as needed
def to_datastruct(self):
"""
Return hash representation for the serializer
"""
return {
'name' : self.name,
'file' : self.file,
'xml_file' : self.xml_file,
'depth' : 0,
'parent' : '',
'owners' : self.owners,
'virt_ram' : self.virt_ram,
'virt_path' : self.virt_path,
'virt_cpus' : self.virt_cpus,
'virt_bridge' : self.virt_bridge,
'virt_file_size' : self.virt_file_size
}
def printable(self):
"""
A human readable representaton
"""
buf = _("image : %s\n") % self.name
buf = buf + _("file (image) : %s\n") % self.file
buf = buf + _("xml file : %s\n") % self.xml_file
buf = buf + _("owners : %s\n") % self.owners
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,
'file' : self.set_file,
'xml_file' : self.set_xml_file,
'owners' : self.set_owners,
'virt-cpus' : self.set_virt_cpus,
'virt-file-size' : self.set_virt_file_size,
'virt-path' : self.set_virt_path,
'virt-ram' : self.set_virt_ram,
'virt-type' : self.set_virt_type
}
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