def create(self, uuid_start=None, get_mac=False):
"""Create initial UUID object; return True."""
if uuid_start:
self.next_uuid_start = uuid_start
if not common.is_number(self.next_uuid_start):
msg = 'next_uuid_start must be an integer'
raise error.InputError(msg)
# Now we know it's an integer, make it a string for LDAP's sake
self.next_uuid_start = str(self.next_uuid_start)
dn = self.next_uuid_dn
dn_info = []
if not self.next_uuid_class in self.next_uuid_classes:
dn_info.append((0, 'objectClass', self.next_uuid_class))
if not self.next_uuid_attr in self.next_uuid_attrs:
dn_info.append((0, self.next_uuid_attr,
self.next_uuid_start))
if dn_info == []:
msg = 'UUID entry already set on %s.' % dn
raise error.AlreadyExists(msg)
self.log.debug('Adding %s to %s ' % (dn_info, dn))
result = self._create_object(dn, dn_info)
uuid = int(result['data'][0][1][self.next_uuid_attr][0])
mac = common.mac_from_uuid(uuid, 0)
if get_mac:
result['data'] = (uuid, mac)
else:
result['data'] = [uuid]
result['msg'] = 'Created UUID:'
self.log.debug('Result: %s' % result)
return result
def modify(self, increment=1, get_mac=False):
"""Increment initial UUID object; return list of UUIDs."""
if not common.is_number(increment):
msg = 'increment input must be an Integer'
raise error.InputError, msg
dn = self.next_uuid_dn
filter = '%s=*' % self.next_uuid_attr
#MMB changed attrs_only to unique
result = self._get_object(dn, 0, filter, self.retrieve_attr, unique=True)
if result['data'] == []:
msg = "Cannot locate a UUID; maybe you need to run create?"
raise error.NotFound(msg)
uuid = int(result['data'][0][1][self.next_uuid_attr][0])
new_uuid = int(uuid) + int(increment)
old_attrs = result['data'][0][1]
new_attrs = old_attrs.copy()
new_attrs[self.next_uuid_attr] = [str(new_uuid)]
self.log.debug('Modifying %s from %s to %s' % (dn, old_attrs, new_attrs))
try:
result = self._modify_attributes(dn, new_attrs, old_attrs)
except:
msg = 'Update of next free UUID to %d failed' % new_uuid
raise error.IncrementError, msg
mac = []
for item in range(uuid, new_uuid):
mac.append(common.mac_from_uuid(item,0))
if get_mac:
result['data'] = (range(uuid, (new_uuid)), mac)
else:
result['data'] = range(uuid, (new_uuid))
result['msg'] = "Reserved UUIDs: " + str(result['data'])
self.log.debug('Result: %s' % result)
return result
def create(self, uuid_start=None, get_mac=False):
"""Create initial UUID object; return True."""
self.log.debug('Running UUID create with get_mac set to %s' % get_mac)
if uuid_start:
self.next_uuid_start = uuid_start
if not common.is_number(self.next_uuid_start):
msg = 'next_uuid_start must be an integer'
raise error.InputError(msg)
# Now we know it's an integer, make it a string for LDAP's sake
self.next_uuid_start = str(self.next_uuid_start)
dn = self.next_uuid_dn
dn_info = []
if not self.next_uuid_class in self.next_uuid_classes:
dn_info.append((0, 'objectClass', self.next_uuid_class))
if not self.next_uuid_attr in self.next_uuid_attrs:
dn_info.append((0, self.next_uuid_attr, self.next_uuid_start))
if dn_info == []:
msg = 'UUID entry already set on %s.' % dn
raise error.AlreadyExists(msg)
self.log.debug('Adding %s to %s ' % (dn_info, dn))
result = self._create_object(dn, dn_info)
uuid = int(result['data'][0][1][self.next_uuid_attr][0])
mac = common.mac_from_uuid(uuid, 0)
if get_mac:
result['data'] = (uuid, mac)
else:
result['data'] = [uuid]
result['msg'] = 'Created UUID:'
self.log.debug('Result: %s' % result)
return result
def get(self, get_mac=False):
"""Retrieve the next free UUID object; return UUID as integer."""
dn = self.next_uuid_dn
filter = '%s=*' % self.next_uuid_attr
msg = 'Searching at %s with scope %s and filter %s' % \
(dn, self.search_scope, filter)
self.log.debug(msg)
result = self._get_object(dn, self.search_scope, filter,
self.retrieve_attr)
if result['data'] == []:
msg = "Cannot locate a UUID; maybe you need to run create?"
raise error.NotFound(msg)
uuid = int(result['data'][0][1][self.next_uuid_attr][0])
if get_mac is True:
mac = common.mac_from_uuid(uuid, 0)
result['data'] = (uuid, mac)
else:
result['data'] = [uuid]
result['msg'] = 'Found UUID:'
self.log.debug('Result: %s' % result)
return result
def get(self, get_mac=False):
"""Retrieve the next free UUID object; return UUID as integer."""
dn = self.next_uuid_dn
filter = '%s=*' % self.next_uuid_attr
msg = 'Searching at %s with scope %s and filter %s' % \
(dn, self.search_scope, filter)
self.log.debug(msg)
result = self._get_object(dn, self.search_scope, filter,
self.retrieve_attr)
if result['data'] == []:
msg = "Cannot locate a UUID; maybe you need to run create?"
raise error.NotFound(msg)
uuid = int(result['data'][0][1][self.next_uuid_attr][0])
if get_mac is True:
mac = common.mac_from_uuid(uuid, 0)
result['data'] = (uuid, mac)
else:
result['data'] = [uuid]
result['msg'] = 'Found UUID:'
self.log.debug('Result: %s' % result)
return result
def modify(self, increment=1, get_mac=False):
"""Increment initial UUID object; return list of UUIDs."""
if not common.is_number(increment):
msg = 'increment input must be an Integer'
raise error.InputError, msg
dn = self.next_uuid_dn
filter = '%s=*' % self.next_uuid_attr
#MMB changed attrs_only to unique
result = self._get_object(dn,
0,
filter,
self.retrieve_attr,
unique=True)
if result['data'] == []:
msg = "Cannot locate a UUID; maybe you need to run create?"
raise error.NotFound(msg)
uuid = int(result['data'][0][1][self.next_uuid_attr][0])
new_uuid = int(uuid) + int(increment)
old_attrs = result['data'][0][1]
new_attrs = old_attrs.copy()
new_attrs[self.next_uuid_attr] = [str(new_uuid)]
self.log.debug('Modifying %s from %s to %s' %
(dn, old_attrs, new_attrs))
try:
result = self._modify_attributes(dn, new_attrs, old_attrs)
except:
msg = 'Update of next free UUID to %d failed' % new_uuid
raise error.IncrementError, msg
mac = []
for item in range(uuid, new_uuid):
mac.append(common.mac_from_uuid(item, 0))
if get_mac:
result['data'] = (range(uuid, (new_uuid)), mac)
else:
result['data'] = range(uuid, (new_uuid))
result['msg'] = "Reserved UUIDs: " + str(result['data'])
self.log.debug('Result: %s' % result)
return result
def create(self, vm_name, vm_uuid, vm_mem, vm_cpu, vm_family, vm_storage_layout,
vm_network_layout, vm_install=False, vm_disks=None, vm_interfaces=None):
"""Define a new VM and add to hypervisor's store (does not start)."""
try:
vm_name = common.validate_hostname(vm_name)
vm_cpu = common.validate_cpu(vm_cpu)
vm_mem = common.validate_mem(vm_mem)
#vm_type = common.validate_host_type(vm_type)
vm_family = common.validate_host_family(vm_family)
#vm_extra_opts = common.is_shell_safe(vm_extra_opts)
vm_uuid = common.validate_uuid(vm_uuid)
except error.InputError as e:
self.log.error(e)
raise e
try:
self.conn.lookupByName(vm_name)
except libvirt.libvirtError:
pass
else:
msg = "Domain %s already exists, cannot create." % vm_name
raise error.AlreadyExists(msg)
# Create a UUID in hypervisor format
formatted_uuid = self._format_uuid(vm_uuid)
#-1 means XEN will give the right XenID when it starts
vm_id=-1
#Initial xml structure
doc = xml.createDoc("doc")
domain = xml.createElement(doc, "domain", {"type": vm_family})
#Variable config options
#xml.createChild(doc, domain, "arch name", None, 'i686')
xml.createChild(doc, domain, "name", None, vm_name)
xml.createChild(doc, domain, "memory", None, vm_mem)
xml.createChild(doc, domain, "currentMemory", None, vm_mem)
xml.createChild(doc, domain, "vcpu", None, vm_cpu)
xml.createChild(doc, domain, "uuid", None, formatted_uuid)
#fixed(ish) config options
os = xml.createChild(doc, domain, "os", None, None)
#ks - the below is going to have to change for 64bit
xml.createChild(doc, os, "type", {"arch": "i686"}, "hvm")
xml.createChild(doc, domain, "clock", {"offset": "utc"}, None)
xml.createChild(doc, domain, "on_poweroff", None, "destroy")
xml.createChild(doc, domain, "on_reboot", None, "restart")
xml.createChild(doc, domain, "on_crash", None, "restart")
devices = xml.createChild(doc, domain, "devices", None, None)
console = xml.createChild(doc, devices, "console", {"type": "pty"}, None)
xml.createChild(doc, console, "target", {"type": "xen", "port": "0"}, None)
#ks
#xml.createChild(doc, devices, "input", {"type": "mouse", "bus": "xen"}, None)
# TODO Change the port such that it is associated with the UUID and change listen to internal interface only
xml.createChild(doc, devices, "graphics", {"type": "vnc", "port": "-1", "autoport": "yes", "listen": "0.0.0.0"}, None)
xml.createChild(doc, devices, "emulator", None, "/usr/lib/xen/bin/qemu-dm")
# #parse disk info
# for item in vm_disks:
# #local1 means hda and vg01
# if item[0] == "local1":
# disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None)
# xml.createChild(doc, disk, "driver", {"name": "phy"}, None)
# xml.createChild(doc, disk, "source", {"dev": "/dev/vg01/%s" % vm_name}, None)
# xml.createChild(doc, disk, "target", {"dev": "hda", "bus": "ide"}, None)
# #local2 means hdb and vg02
# if item[0] == "local2":
# disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None)
# xml.createChild(doc, disk, "driver", {"name": "phy"}, None)
# xml.createChild(doc, disk, "source", {"dev": "/dev/vg01/ko-test-02"}, None)
# xml.createChild(doc, disk, "target", {"dev": "hdb", "bus": "ide"}, None)
if vm_disks is not None:
for item in vm_disks:
if item[0] == "local1":
disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None)
xml.createChild(doc, disk, "driver", {"name": "phy"}, None)
xml.createChild(doc, disk, "source", {"dev": "/dev/vg01/%s" % vm_name}, None)
xml.createChild(doc, disk, "target", {"dev": "hda", "bus": "ide"}, None)
#local2 means hdb and vg02
if item[0] == "local2":
disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None)
xml.createChild(doc, disk, "driver", {"name": "phy"}, None)
xml.createChild(doc, disk, "source", {"dev": "/dev/vg02/%s" % vm_name}, None)
xml.createChild(doc, disk, "target", {"dev": "hdb", "bus": "ide"}, None)
elif vm_storage_layout is not None:
try:
disks = self.dtypes[vm_storage_layout]
except KeyError as e:
msg = "The disk type %s is not present in config file." % e
raise error.InputError, msg
for item in disks:
item = common.validate_disks_in_conf(self.dnames[item])
hv_dev = item[0] + "/" + vm_name
dom_dev = item[1]
disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None)
xml.createChild(doc, disk, "driver", {"name": "phy"}, None)
xml.createChild(doc, disk, "source", {"dev": hv_dev}, None)
xml.createChild(doc, disk, "target", {"dev": dom_dev, "bus": "ide"}, None)
#parse interface info
if vm_interfaces is not None:
for interface in vm_interfaces:
#get input from interface list
bridge = int( interface[0].lstrip('breth') )
mac = interface[1]
source_interface = interface[2]
interface = xml.createChild(doc, devices, "interface", {"type": "bridge"}, None)
xml.createChild(doc, interface, "mac", {"address": mac}, None)
xml.createChild(doc, interface, "source", {"bridge": source_interface}, None)
xml.createChild(doc, interface, "script", {"path": "vif-bridge"}, None)
xml.createChild(doc, interface, "target", {"dev": "vif%i.%i" % (vm_id, bridge)}, None)
elif vm_network_layout is not None:
try:
interfaces = self.ifacedef[vm_network_layout]
except KeyError:
msg = "The interface type %s is not present in config file." % vm_network_layout
raise error.InputError(msg)
# Ensure that br0,x is done first as xen cares about order in xml.
interfaces = sorted(interfaces, key=itemgetter(0))
for interface in interfaces:
interface = common.validate_interfaces_in_conf(interface)
iface_number = int( interface[0].lstrip('breth') )
if iface_number == 0:
boot_mac = common.mac_from_uuid(vm_uuid, iface_number)
boot_int = interface[1]
mac = common.mac_from_uuid(vm_uuid, iface_number)
source_interface = interface[1]
# KS enumerate avail interfaces via facter, not remote socket op
#if not source_interface in self._all_interfaces():
# msg = "%s does not exist on this machine so we cant bridge to it!" % source_interface
# raise error.InsufficientResource, msg
interface = xml.createChild(doc, devices, "interface", {"type": "bridge"}, None)
xml.createChild(doc, interface, "mac", {"address": mac}, None)
xml.createChild(doc, interface, "source", {"bridge": source_interface}, None)
xml.createChild(doc, interface, "script", {"path": "vif-bridge"}, None)
xml.createChild(doc, interface, "target", {"dev": "vif%i.%i" % (vm_id, iface_number)}, None)
if vm_install: # Add network boot lines
xml.createChild(doc, domain, "bootloader", None, "/usr/sbin/pypxeboot" )
try:
xml.createChild(doc, domain, "bootloader_args", None, "--udhcpc=/usr/local/pkg/udhcp/sbin/udhcpc --interface=%s mac=%s --label=install-aethernet" % (boot_int, boot_mac) )
except UnboundLocalError:
msg = "In config there must be an interface br0 as the provisioning interface!"
raise error.ConfigError(msg)
else:
xml.createChild(doc, domain, "bootloader", None, "/usr/bin/pygrub" )
try:
out = self.conn.defineXML(xml.out(doc))
except Exception, e:
trace = traceback.format_exc()
raise error.LibvirtError(e, trace)
