def create_standard_config(self, uuid, name, mem_kb, vcpus, disk, mac):
# First, populate the XML with the appropriate values.
boot_params = { 'name' : name,
'mem_kb' : mem_kb,
'vcpus' : vcpus,
'uuid' : hyphenize_uuid(uuid),
'disk' : disk,
'mac' : mac }
xml = STANDARD_CONFIG_TEMPLATE % boot_params
self.__write_xml_file(uuid, xml)
def _get_domain(uuid):
"""
Lookup the domain by its UUID. If not found, raise an exception.
"""
conn = libvirt.open(None)
domain = None
hyphenized_uuid = hyphenize_uuid(uuid)
try:
domain = conn.lookupByUUIDString(hyphenized_uuid)
except libvirt.libvirtError, lve:
raise VirtualizationException, \
"Domain UUID '%s' not found: %s" (hyphenized_uuid, str(lve)), sys.exc_info()[2]
def _get_domain(uuid):
"""
Lookup the domain by its UUID. If not found, raise an exception.
"""
conn = libvirt.open(None)
domain = None
hyphenized_uuid = hyphenize_uuid(uuid)
try:
domain = conn.lookupByUUIDString(hyphenized_uuid)
except libvirt.libvirtError, lve:
raise VirtualizationException, \
"Domain UUID '%s' not found: %s", (hyphenized_uuid, str(lve))
def create_standard_config(self, uuid, name, mem_kb, vcpus, disk, mac):
# First, populate the XML with the appropriate values.
boot_params = { 'name' : name,
'mem_kb' : mem_kb,
'vcpus' : vcpus,
'uuid' : hyphenize_uuid(uuid),
'disk' : disk,
'mac' : mac }
xml = STANDARD_CONFIG_TEMPLATE % boot_params
self.__write_xml_file(uuid, xml)
def _get_domain(uuid):
"""
Lookup the domain by its UUID. If not found, raise an exception.
"""
conn = libvirt.open(None)
domain = None
hyphenized_uuid = hyphenize_uuid(uuid)
try:
domain = conn.lookupByUUIDString(hyphenized_uuid)
except libvirt.libvirtError:
lve = sys.exc_info()[1]
raise_with_tb(VirtualizationException("Domain UUID '%s' not found: %s" % (hyphenized_uuid, str(lve))),
sys.exc_info()[2])
return (conn, domain)
def create_standard_config(self, uuid, name, mem_kb, vcpus, disk, mac):
# First, populate the XML with the appropriate values.
boot_params = {
"name": name,
"mem_kb": mem_kb,
"vcpus": vcpus,
"uuid": hyphenize_uuid(uuid),
"disk": disk,
"mac": mac,
}
xml = STANDARD_CONFIG_TEMPLATE % boot_params
self.__write_xml_file(uuid, xml)
def poll_state(uuid):
"""
Polls just the state of the guest with the provided UUID. This state is
returned.
"""
conn = libvirt.openReadOnly(None)
if not conn:
raise VirtualizationException, \
"Failed to open connection to hypervisor."
# Attempt to connect to the domain. Since there is technically no
# "stopped" state, we will assume that if we cannot connect the domain is
# not running. Unfortunately, we can't really determine if the domain
# actually exists.
domain = None
try:
domain = conn.lookupByUUIDString(hyphenize_uuid(uuid))
except libvirt.libvirtError, lve:
# Can't find domain. Return stopped state.
return State(None)
def poll_state(uuid):
"""
Polls just the state of the guest with the provided UUID. This state is
returned.
"""
conn = libvirt.openReadOnly(None)
if not conn:
raise VirtualizationException, \
"Failed to open connection to hypervisor."
# Attempt to connect to the domain. Since there is technically no
# "stopped" state, we will assume that if we cannot connect the domain is
# not running. Unfortunately, we can't really determine if the domain
# actually exists.
domain = None
try:
domain = conn.lookupByUUIDString(hyphenize_uuid(uuid))
except libvirt.libvirtError, lve:
# Can't find domain. Return stopped state.
return State(None)
def _begin_domain_installation(connection,
name,
install_kernel_path,
install_initrd_path,
extra_append,
mem_kb,
vcpus,
uuid,
disk_image_path,
disk_image_type,
mac):
"""
Creates and begins installation of the Xen instance.
"""
syslog = 'syslog=%s:%s' % (socket.gethostname(), SYSLOG_PORT)
if DEBUG:
syslog = ''
create_params = { 'name' : name,
'install_kernel' : install_kernel_path,
'install_initrd' : install_initrd_path,
'extra' : extra_append,
'mem_kb' : mem_kb,
'vcpus' : vcpus,
'uuid' : hyphenize_uuid(uuid),
'disk' : disk_image_path,
'mac' : mac,
'syslog' : syslog}
create_xml = XEN_CREATE_TEMPLATE % create_params
# Now actually create the domain.
domain = None
try:
domain = connection.createLinux(create_xml, 0)
except Exception, e:
raise VirtualizationKickstartException, \
"Error occurred while attempting to create domain %s: %s" % \
(name, str(e)), sys.exc_info()[2]
def _begin_domain_installation(connection,
name,
install_kernel_path,
install_initrd_path,
extra_append,
mem_kb,
vcpus,
uuid,
disk_image_path,
disk_image_type,
mac):
"""
Creates and begins installation of the Xen instance.
"""
syslog = 'syslog=%s:%s' % (socket.gethostname(), SYSLOG_PORT)
if DEBUG:
syslog = ''
create_params = { 'name' : name,
'install_kernel' : install_kernel_path,
'install_initrd' : install_initrd_path,
'extra' : extra_append,
'mem_kb' : mem_kb,
'vcpus' : vcpus,
'uuid' : hyphenize_uuid(uuid),
'disk' : disk_image_path,
'mac' : mac,
'syslog' : syslog}
create_xml = XEN_CREATE_TEMPLATE % create_params
# Now actually create the domain.
domain = None
try:
domain = connection.createLinux(create_xml, 0)
except Exception, e:
raise VirtualizationKickstartException, \
"Error occurred while attempting to create domain %s: %s" % \
(name, str(e)), sys.exc_info()[2]
