def save_unknown_domain_configs(self, domain_uuids):
"""
This function saves the configuration for any domains whose UUIDs are
passed in the domain_uuids list. If the UUID is already known, it is
skipped.
"""
for uuid in domain_uuids:
uuid = sstr(uuid)
# If we already have a config for this uuid, skip it. Also, don't
# try to figure out a config for a host UUID.
if not is_host_uuid(uuid) and not self.is_known_config(uuid):
# The UUID is a formatted string. Turn it back into a number,
# since that's what libvirt wants.
dehyphenized_uuid = dehyphenize_uuid(uuid)
uuid_as_num = binascii.unhexlify(dehyphenized_uuid)
# Lookup the domain by its uuid.
try:
domain = self.conn.lookupByUUID(uuid_as_num)
except libvirt.libvirtError:
lve = sys.exc_info()[1]
raise VirtualizationException(
"Failed to obtain handle to domain %s: %s" %
(uuid, repr(lve)))
# Now grab the XML description of the configuration.
xml = domain.XMLDesc(0)
# Write the xml out to a file so that we can load it into our
# abstract DomainConfig object and manipulate it easily.
cfg_file_path = self.__write_xml_file(uuid, xml)
new_config = DomainConfig(self.__path, uuid)
# Don't record the config this time if the domain is
# installing; we don't want to restart the domain later and
# make it re-install itself.
if not new_config.isInstallerConfig():
# Now we'll reformat the configuration object so that it's
# valid the next time this domain runs..
self.__fixup_config_for_restart(new_config)
# The config is now prepared. Save it and move on to the
# next uuid.
new_config.save()
else:
# Remove the config file we just wrote.
os.unlink(cfg_file_path)
def save_unknown_domain_configs(self, domain_uuids):
"""
This function saves the configuration for any domains whose UUIDs are
passed in the domain_uuids list. If the UUID is already known, it is
skipped.
"""
for uuid in domain_uuids:
# If we already have a config for this uuid, skip it. Also, don't
# try to figure out a config for a host UUID.
if not is_host_uuid(uuid) and not self.is_known_config(uuid):
# The UUID is a formatted string. Turn it back into a number,
# since that's what libvirt wants.
dehyphenized_uuid = dehyphenize_uuid(uuid)
uuid_as_num = binascii.unhexlify(dehyphenized_uuid)
# Lookup the domain by its uuid.
try:
domain = self.conn.lookupByUUID(uuid_as_num)
except libvirt.libvirtError, lve:
raise VirtualizationException, \
"Failed to obtain handle to domain %s: %s" % \
(uuid, repr(lve))
# Now grab the XML description of the configuration.
xml = domain.XMLDesc(0)
# Write the xml out to a file so that we can load it into our
# abstract DomainConfig object and manipulate it easily.
cfg_file_path = self.__write_xml_file(uuid, xml)
new_config = DomainConfig(self.__path, uuid)
# Don't record the config this time if the domain is
# installing; we don't want to restart the domain later and
# make it re-install itself.
if not new_config.isInstallerConfig():
# Now we'll reformat the configuration object so that it's
# valid the next time this domain runs..
self.__fixup_config_for_restart(new_config)
# The config is now prepared. Save it and move on to the
# next uuid.
new_config.save()
else:
# Remove the config file we just wrote.
os.unlink(cfg_file_path)
def load_config(self, uuid):
"""
This function loads a domain's configuration by its UUID. A
DomainConfig object is returned.
"""
return DomainConfig(self.__path, uuid)
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
import sys
sys.path.append("/usr/share/rhn")
from virtualization.domain_config import DomainConfig
fieldname = sys.argv[1]
filename = sys.argv[2]
dc = DomainConfig('/usr/share/rhn/virt/auto', filename)
fields = {
'name' : DomainConfig.NAME,
'uuid' : DomainConfig.UUID,
'memory' : DomainConfig.MEMORY,
'vcpu' : DomainConfig.VCPU,
'root_device' : DomainConfig.ROOT_DEVICE,
'cmdline' : DomainConfig.COMMAND_LINE,
'os_kernel' : DomainConfig.KERNEL_PATH,
'os_initrd' : DomainConfig.RAMDISK_PATH,
'disk_source' : DomainConfig.DISK_IMAGE_PATH
}
if fieldname not in fields:
sys.stdout.write("Unknown configuration element %s \n" % fieldname)
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
import sys
sys.path.append("/usr/share/rhn")
from virtualization.domain_config import DomainConfig
fieldname = sys.argv[1]
filename = sys.argv[2]
dc = DomainConfig('/usr/share/rhn/virt/auto', filename)
fields = {
'name': DomainConfig.NAME,
'uuid': DomainConfig.UUID,
'memory': DomainConfig.MEMORY,
'vcpu': DomainConfig.VCPU,
'root_device': DomainConfig.ROOT_DEVICE,
'cmdline': DomainConfig.COMMAND_LINE,
'os_kernel': DomainConfig.KERNEL_PATH,
'os_initrd': DomainConfig.RAMDISK_PATH,
'disk_source': DomainConfig.DISK_IMAGE_PATH
}
if fieldname not in fields:
sys.stdout.write("Unknown configuration element %s \n" % fieldname)
