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vnc_cfg_types.py
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vnc_cfg_types.py
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#
# Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
#
#
# This file contains code/hooks at different point during processing a request,
# specific to type of resource. For eg. allocation of mac/ip-addr for a port
# during its creation.
import copy
from cfgm_common import jsonutils as json
import re
import itertools
import socket
import cfgm_common
import cfgm_common.utils
import cfgm_common.exceptions
import netaddr
import uuid
import vnc_quota
from vnc_quota import QuotaHelper
from context import get_context
from gen.resource_xsd import *
from gen.resource_common import *
from netaddr import IPNetwork
from pprint import pformat
from pysandesh.gen_py.sandesh.ttypes import SandeshLevel
from provision_defaults import *
def _parse_rt(rt):
(prefix, asn, target) = rt.split(':')
if prefix != 'target':
raise ValueError()
target = int(target)
if not asn.isdigit():
try:
netaddr.IPAddress(asn)
except netaddr.core.AddrFormatError:
raise ValueError()
else:
asn = int(asn)
return (prefix, asn, target)
class ResourceDbMixin(object):
@classmethod
def get_quota_for_resource(cls, obj_type, obj_dict, db_conn):
user_visible = obj_dict['id_perms'].get('user_visible', True)
if not user_visible or obj_type not in QuotaType.attr_fields:
return True, -1, None
if 'project_refs' in obj_dict:
proj_dict = obj_dict['project_refs'][0]
if 'uuid' in proj_dict:
proj_uuid = proj_dict['uuid']
else:
proj_uuid = db_conn.fq_name_to_uuid('project', proj_dict['to'])
elif 'parent_type' in obj_dict and obj_dict['parent_type'] == 'project':
proj_uuid = obj_dict['parent_uuid']
else:
return True, -1, None
(ok, proj_dict) = QuotaHelper.get_project_dict_for_quota(proj_uuid, db_conn)
if not ok:
return (False, (500, 'Internal error : ' + pformat(proj_dict)), None)
quota_limit = QuotaHelper.get_quota_limit(proj_dict, obj_type)
return True, quota_limit, proj_uuid
@classmethod
def check_for_quota(cls, obj_type, obj_dict, quota_limit, proj_uuid, db_conn):
user_visible = obj_dict['id_perms'].get('user_visible', True)
if user_visible:
ok, result = QuotaHelper.verify_quota_for_resource(db_conn, obj_dict, obj_type,
quota_limit, proj_uuid)
return (ok, result)
else:
return True, ''
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
return True, ''
@classmethod
def post_dbe_create(cls, tenant_name, obj_dict, db_conn):
return True, ''
@classmethod
def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn,
prop_collection_updates=None, ref_update=None):
return True, ''
@classmethod
def post_dbe_update(cls, id, fq_name, obj_dict, db_conn,
prop_collection_updates=None, ref_update=None):
return True, ''
@classmethod
def pre_dbe_delete(cls, id, obj_dict, db_conn):
return True, ''
@classmethod
def post_dbe_delete(cls, id, obj_dict, db_conn):
return True, ''
@classmethod
def dbe_create_notification(cls, obj_ids, obj_dict):
pass
#end dbe_create_notification
@classmethod
def dbe_update_notification(cls, obj_ids):
pass
#end dbe_update_notification
@classmethod
def dbe_delete_notification(cls, obj_ids, obj_dict):
pass
#end dbe_delete_notification
# end class ResourceDbMixin
class Resource(ResourceDbMixin):
server = None
@classmethod
def dbe_read(cls, db_conn, res_type, obj_uuid, obj_fields=None):
try:
ok, result = db_conn.dbe_read(res_type,
{'uuid': obj_uuid}, obj_fields)
except cfgm_common.exceptions.NoIdError:
return (False, (404, 'No %s: %s' %(res_type, obj_uuid)))
if not ok:
return (False, (500, 'Error in dbe_read of %s %s: %s' %(
res_type, obj_uuid, pformat(result))))
return (True, result)
# end dbe_read
# end class Resource
class GlobalSystemConfigServer(Resource, GlobalSystemConfig):
@classmethod
def _check_asn(cls, obj_dict, db_conn):
global_asn = obj_dict.get('autonomous_system')
if not global_asn:
return (True, '')
(ok, result) = db_conn.dbe_list('virtual_network')
if not ok:
return (ok, (500, 'Error in dbe_list: %s' %(result)))
for vn_name, vn_uuid in result:
ok, result = cls.dbe_read(db_conn, 'virtual_network', vn_uuid,
obj_fields=['route_target_list'])
if not ok:
code, msg = result
if code == 404:
continue
return ok, (code, 'Error checking ASN: %s' %(msg))
rt_dict = result.get('route_target_list', {})
for rt in rt_dict.get('route_target', []):
(_, asn, target) = _parse_rt(rt)
if (asn == global_asn and
target >= cfgm_common.BGP_RTGT_MIN_ID):
return (False, (400, "Virtual network %s is configured "
"with a route target with this ASN and route "
"target value in the same range as used by "
"automatically allocated route targets" % vn_name))
return (True, '')
# end _check_asn
@classmethod
def _check_udc(cls, obj_dict, udcs):
udcl = []
for udc in udcs:
if all (k in udc.get('value', {}) for k in ('name', 'pattern')):
udcl.append(udc['value'])
udck = obj_dict.get('user_defined_log_statistics')
if udck:
udcl += udck['statlist']
for udc in udcl:
try:
re.compile(udc['pattern'])
except Exception as e:
return False, (400, 'Regex error in '
'user-defined-log-statistics at %s: %s (Error: %s)' % (
udc['name'], udc['pattern'], str(e)))
return True, ''
# end _check_udc
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
ok, result = cls._check_udc(obj_dict, [])
if not ok:
return ok, result
ok, result = cls._check_asn(obj_dict, db_conn)
if not ok:
return ok, result
return True, ''
# end pre_dbe_create
@classmethod
def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn, **kwargs):
ok, result = cls._check_udc(obj_dict, filter(lambda x: x.get('field',
'') == 'user_defined_log_statistics' and x.get(
'operation', '') == 'set', kwargs.get(
'prop_collection_updates', [])))
if not ok:
return ok, result
ok, result = cls._check_asn(obj_dict, db_conn)
if not ok:
return ok, result
return True, ''
# end pre_dbe_update
# end class GlobalSystemConfigServer
class FloatingIpServer(Resource, FloatingIp):
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
if obj_dict['parent_type'] == 'instance-ip':
return True, ""
vn_fq_name = obj_dict['fq_name'][:-2]
req_ip = obj_dict.get("floating_ip_address")
if req_ip and cls.addr_mgmt.is_ip_allocated(req_ip, vn_fq_name):
return (False, (400, 'Ip address already in use'))
try:
fip_addr = cls.addr_mgmt.ip_alloc_req(vn_fq_name,
asked_ip_addr=req_ip,
alloc_id=obj_dict['uuid'])
def undo():
db_conn.config_log(
'AddrMgmt: free FIP %s for vn=%s tenant=%s, on undo'
% (fip_addr, vn_fq_name, tenant_name),
level=SandeshLevel.SYS_DEBUG)
cls.addr_mgmt.ip_free_req(fip_addr, vn_fq_name)
return True, ""
# end undo
get_context().push_undo(undo)
except Exception as e:
return (False, (500, str(e)))
obj_dict['floating_ip_address'] = fip_addr
db_conn.config_log('AddrMgmt: alloc %s FIP for vn=%s, tenant=%s, askip=%s' \
% (obj_dict['floating_ip_address'], vn_fq_name, tenant_name,
req_ip), level=SandeshLevel.SYS_DEBUG)
return True, ""
# end pre_dbe_create
@classmethod
def post_dbe_delete(cls, id, obj_dict, db_conn):
if obj_dict['parent_type'] == 'instance-ip':
return True, ""
vn_fq_name = obj_dict['fq_name'][:-2]
fip_addr = obj_dict['floating_ip_address']
db_conn.config_log('AddrMgmt: free FIP %s for vn=%s'
% (fip_addr, vn_fq_name),
level=SandeshLevel.SYS_DEBUG)
cls.addr_mgmt.ip_free_req(fip_addr, vn_fq_name)
return True, ""
# end post_dbe_delete
@classmethod
def dbe_create_notification(cls, obj_ids, obj_dict):
if obj_dict['parent_type'] == 'instance-ip':
return
fip_addr = obj_dict['floating_ip_address']
vn_fq_name = obj_dict['fq_name'][:-2]
cls.addr_mgmt.ip_alloc_notify(fip_addr, vn_fq_name)
# end dbe_create_notification
@classmethod
def dbe_delete_notification(cls, obj_ids, obj_dict):
if obj_dict['parent_type'] == 'instance-ip':
return
fip_addr = obj_dict['floating_ip_address']
vn_fq_name = obj_dict['fq_name'][:-2]
cls.addr_mgmt.ip_free_notify(fip_addr, vn_fq_name)
# end dbe_delete_notification
# end class FloatingIpServer
class AliasIpServer(Resource, AliasIp):
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
vn_fq_name = obj_dict['fq_name'][:-2]
req_ip = obj_dict.get("alias_ip_address")
if req_ip and cls.addr_mgmt.is_ip_allocated(req_ip, vn_fq_name):
return (False, (400, 'Ip address already in use'))
try:
aip_addr = cls.addr_mgmt.ip_alloc_req(vn_fq_name,
asked_ip_addr=req_ip,
alloc_id=obj_dict['uuid'])
def undo():
db_conn.config_log(
'AddrMgmt: free FIP %s for vn=%s tenant=%s, on undo'
% (fip_addr, vn_fq_name, tenant_name),
level=SandeshLevel.SYS_DEBUG)
cls.addr_mgmt.ip_free_req(aip_addr, vn_fq_name)
return True, ""
# end undo
get_context().push_undo(undo)
except Exception as e:
return (False, (500, str(e)))
obj_dict['alias_ip_address'] = aip_addr
db_conn.config_log('AddrMgmt: alloc %s AIP for vn=%s, tenant=%s, askip=%s' \
% (obj_dict['alias_ip_address'], vn_fq_name, tenant_name,
req_ip), level=SandeshLevel.SYS_DEBUG)
return True, ""
# end pre_dbe_create
@classmethod
def post_dbe_delete(cls, id, obj_dict, db_conn):
vn_fq_name = obj_dict['fq_name'][:-2]
aip_addr = obj_dict['alias_ip_address']
db_conn.config_log('AddrMgmt: free AIP %s for vn=%s'
% (aip_addr, vn_fq_name),
level=SandeshLevel.SYS_DEBUG)
cls.addr_mgmt.ip_free_req(aip_addr, vn_fq_name)
return True, ""
# end post_dbe_delete
@classmethod
def dbe_create_notification(cls, obj_ids, obj_dict):
aip_addr = obj_dict['alias_ip_address']
vn_fq_name = obj_dict['fq_name'][:-2]
cls.addr_mgmt.ip_alloc_notify(aip_addr, vn_fq_name)
# end dbe_create_notification
@classmethod
def dbe_delete_notification(cls, obj_ids, obj_dict):
aip_addr = obj_dict['alias_ip_address']
vn_fq_name = obj_dict['fq_name'][:-2]
cls.addr_mgmt.ip_free_notify(aip_addr, vn_fq_name)
# end dbe_delete_notification
# end class AliasIpServer
class InstanceIpServer(Resource, InstanceIp):
@classmethod
def _vmi_has_vm_ref(cls, db_conn, iip_dict):
# is this iip linked to a vmi that is not ref'd by a router
vmi_refs = iip_dict.get('virtual_machine_interface_refs')
for vmi_ref in vmi_refs or []:
ok, result = cls.dbe_read(db_conn, 'virtual_machine_interface',
vmi_ref['uuid'],
obj_fields=['virtual_machine_refs'])
if not ok:
continue
if result.get('virtual_machine_refs'):
return True
# end for all vmi ref
return False
# end _vmi_has_vm_ref
@classmethod
def is_gateway_ip(cls, db_conn, iip_uuid):
ok, iip_dict = cls.dbe_read(db_conn, 'instance_ip', iip_uuid)
if not ok:
return False
try:
vn_fq_name = iip_dict['virtual_network_refs'][0]['to']
vn_uuid = iip_dict['virtual_network_refs'][0]['uuid']
iip_addr = iip_dict['instance_ip_address']
except Exception:
return False
if ((vn_fq_name == cfgm_common.IP_FABRIC_VN_FQ_NAME) or
(vn_fq_name == cfgm_common.LINK_LOCAL_VN_FQ_NAME)):
# Ignore ip-fabric and link-local address allocations
return False
ok, vn_dict = cls.dbe_read(db_conn, 'virtual_network', vn_uuid,
['network_ipam_refs'])
if not ok:
return False
return cls.addr_mgmt.is_gateway_ip(vn_dict, iip_addr)
# end is_gateway_ip
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
vn_fq_name = obj_dict['virtual_network_refs'][0]['to']
if ((vn_fq_name == cfgm_common.IP_FABRIC_VN_FQ_NAME) or
(vn_fq_name == cfgm_common.LINK_LOCAL_VN_FQ_NAME)):
# Ignore ip-fabric and link-local address allocations
return True, ""
req_ip = obj_dict.get("instance_ip_address")
vn_id = db_conn.fq_name_to_uuid('virtual_network', vn_fq_name)
ok, result = cls.dbe_read(db_conn, 'virtual_network', vn_id,
obj_fields=['router_external', 'network_ipam_refs',
'address_allocation_mode'])
if not ok:
return ok, result
vn_dict = result
subnet_uuid = obj_dict.get('subnet_uuid')
req_ip_family = obj_dict.get("instance_ip_family")
req_ip_version = 4 # default ip v4
if req_ip_family == "v6": req_ip_version = 6
# if request has ip and not g/w ip, report if already in use.
# for g/w ip, creation allowed but only can ref to router port.
if req_ip and cls.addr_mgmt.is_ip_allocated(req_ip, vn_fq_name,
vn_uuid=vn_id):
if not cls.addr_mgmt.is_gateway_ip(vn_dict, req_ip):
return (False, (400, 'Ip address already in use'))
elif cls._vmi_has_vm_ref(db_conn, obj_dict):
return (False,
(400, 'Gateway IP cannot be used by VM port'))
# end if request has ip addr
try:
ip_addr = cls.addr_mgmt.ip_alloc_req(
vn_fq_name, vn_dict=vn_dict, sub=subnet_uuid,
asked_ip_addr=req_ip,
asked_ip_version=req_ip_version,
alloc_id=obj_dict['uuid'])
def undo():
db_conn.config_log('AddrMgmt: free IP %s, vn=%s tenant=%s on post fail'
% (ip_addr, vn_fq_name, tenant_name),
level=SandeshLevel.SYS_DEBUG)
cls.addr_mgmt.ip_free_req(ip_addr, vn_fq_name)
return True, ""
# end undo
get_context().push_undo(undo)
except Exception as e:
return (False, (400, str(e)))
obj_dict['instance_ip_address'] = ip_addr
db_conn.config_log('AddrMgmt: alloc %s for vn=%s, tenant=%s, askip=%s'
% (obj_dict['instance_ip_address'],
vn_fq_name, tenant_name, req_ip),
level=SandeshLevel.SYS_DEBUG)
return True, ""
# end pre_dbe_create
@classmethod
def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn,
prop_collection_updates=None, **kwargs):
# if instance-ip is of g/w ip, it cannot refer to non router port
req_iip_dict = obj_dict
ok, result = cls.dbe_read(db_conn, 'instance_ip', id)
if not ok:
return ok, result
db_iip_dict = result
if 'virtual_network_refs' not in db_iip_dict:
return True, ''
vn_uuid = db_iip_dict['virtual_network_refs'][0]['uuid']
vn_fq_name = db_iip_dict['virtual_network_refs'][0]['to']
if ((vn_fq_name == cfgm_common.IP_FABRIC_VN_FQ_NAME) or
(vn_fq_name == cfgm_common.LINK_LOCAL_VN_FQ_NAME)):
# Ignore ip-fabric and link-local address allocations
return True, ""
#instance-ip-address change is not allowed.
req_ip_addr = obj_dict.get('instance_ip_address')
db_ip_addr = db_iip_dict.get('instance_ip_address')
if req_ip_addr and req_ip_addr != db_ip_addr:
return (False, (400, 'Instance IP Address can not be changed'))
ok, result = cls.dbe_read(db_conn, 'virtual_network',
vn_uuid,
obj_fields=['network_ipam_refs'])
if not ok:
return ok, result
vn_dict = result
if cls.addr_mgmt.is_gateway_ip(
vn_dict, db_iip_dict.get('instance_ip_address')):
if cls._vmi_has_vm_ref(db_conn, req_iip_dict):
return (False, (400, 'Gateway IP cannot be used by VM port'))
# end if gateway ip
return True, ""
# end pre_dbe_update
@classmethod
def post_dbe_delete(cls, id, obj_dict, db_conn):
vn_fq_name = obj_dict['virtual_network_refs'][0]['to']
if ((vn_fq_name == cfgm_common.IP_FABRIC_VN_FQ_NAME) or
(vn_fq_name == cfgm_common.LINK_LOCAL_VN_FQ_NAME)):
# Ignore ip-fabric and link-local address allocations
return True, ""
ip_addr = obj_dict.get('instance_ip_address')
if not ip_addr:
db_conn.config_log('instance_ip_address missing for object %s'
% (obj_dict['uuid']),
level=SandeshLevel.SYS_NOTICE)
return True, ""
db_conn.config_log('AddrMgmt: free IP %s, vn=%s'
% (ip_addr, vn_fq_name),
level=SandeshLevel.SYS_DEBUG)
cls.addr_mgmt.ip_free_req(ip_addr, vn_fq_name)
return True, ""
# end post_dbe_delete
@classmethod
def dbe_create_notification(cls, obj_ids, obj_dict):
ip_addr = obj_dict['instance_ip_address']
vn_fq_name = obj_dict['virtual_network_refs'][0]['to']
cls.addr_mgmt.ip_alloc_notify(ip_addr, vn_fq_name)
# end dbe_create_notification
@classmethod
def dbe_delete_notification(cls, obj_ids, obj_dict):
try:
ip_addr = obj_dict['instance_ip_address']
except KeyError:
return
vn_fq_name = obj_dict['virtual_network_refs'][0]['to']
cls.addr_mgmt.ip_free_notify(ip_addr, vn_fq_name)
# end dbe_delete_notification
# end class InstanceIpServer
class LogicalRouterServer(Resource, LogicalRouter):
@classmethod
def is_port_in_use_by_vm(cls, obj_dict, db_conn):
for vmi_ref in obj_dict.get('virtual_machine_interface_refs', []):
vmi_id = vmi_ref['uuid']
ok, read_result = cls.dbe_read(
db_conn, 'virtual_machine_interface', vmi_ref['uuid'])
if not ok:
return ok, read_result
if (read_result['parent_type'] == 'virtual-machine' or
read_result.get('virtual_machine_refs')):
msg = "Port(%s) already in use by virtual-machine(%s)" %\
(vmi_id, read_result['parent_uuid'])
return (False, (400, msg))
return (True, '')
@classmethod
def is_port_gateway_in_same_network(cls, db_conn, vmi_refs, vn_refs):
interface_vn_uuids = []
for vmi_ref in vmi_refs:
ok, vmi_result = cls.dbe_read(
db_conn, 'virtual_machine_interface', vmi_ref['uuid'])
if not ok:
return ok, vmi_result
interface_vn_uuids.append(
vmi_result['virtual_network_refs'][0]['uuid'])
for vn_ref in vn_refs:
if vn_ref['uuid'] in interface_vn_uuids:
msg = "Logical router interface and gateway cannot be in VN(%s)" %\
(vn_ref['uuid'])
return (False, (400, msg))
return (True, '')
@classmethod
def check_port_gateway_not_in_same_network(cls, db_conn,
obj_dict, lr_id=None):
if ('virtual_network_refs' in obj_dict and
'virtual_machine_interface_refs' in obj_dict):
ok, result = cls.is_port_gateway_in_same_network(
db_conn,
obj_dict['virtual_machine_interface_refs'],
obj_dict['virtual_network_refs'])
if not ok:
return ok, result
# update
if lr_id:
if ('virtual_network_refs' in obj_dict or
'virtual_machine_interface_refs' in obj_dict):
ok, read_result = cls.dbe_read(db_conn,
'logical_router',
lr_id)
if not ok:
return ok, read_result
if 'virtual_network_refs' in obj_dict:
ok, result = cls.is_port_gateway_in_same_network(
db_conn,
read_result.get('virtual_machine_interface_refs', []),
obj_dict['virtual_network_refs'])
if not ok:
return ok, result
if 'virtual_machine_interface_refs' in obj_dict:
ok, result = cls.is_port_gateway_in_same_network(
db_conn,
obj_dict['virtual_machine_interface_refs'],
read_result.get('virtual_network_refs', []))
if not ok:
return ok, result
return (True, '')
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
ok, result = cls.check_port_gateway_not_in_same_network(
db_conn, obj_dict)
if not ok:
return (ok, result)
return cls.is_port_in_use_by_vm(obj_dict, db_conn)
# end pre_dbe_create
@classmethod
def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn, **kwargs):
ok, result = cls.check_port_gateway_not_in_same_network(
db_conn, obj_dict, id)
if not ok:
return (ok, result)
return cls.is_port_in_use_by_vm(obj_dict, db_conn)
# end pre_dbe_create
# end class LogicalRouterServer
class VirtualMachineInterfaceServer(Resource, VirtualMachineInterface):
portbindings = {}
portbindings['VIF_TYPE_VROUTER'] = 'vrouter'
portbindings['VIF_TYPE_HW_VEB'] = 'hw_veb'
portbindings['VNIC_TYPE_NORMAL'] = 'normal'
portbindings['VNIC_TYPE_DIRECT'] = 'direct'
portbindings['PORT_FILTER'] = True
@staticmethod
def _kvp_to_dict(kvps):
return dict((kvp['key'], kvp['value']) for kvp in kvps)
# end _kvp_to_dict
@classmethod
def _check_vrouter_link(cls, vmi_data, kvp_dict, obj_dict, db_conn):
api_server = db_conn.get_api_server()
host_id = kvp_dict.get('host_id')
if not host_id:
return
vm_refs = vmi_data.get('virtual_machine_refs')
if not vm_refs:
vm_refs = obj_dict.get('virtual_machine_refs')
if not vm_refs:
return
vrouter_fq_name = ['default-global-system-config', host_id]
try:
vrouter_id = db_conn.fq_name_to_uuid('virtual_router', vrouter_fq_name)
except cfgm_common.exceptions.NoIdError:
return
#if virtual_machine_refs is an empty list delete vrouter link
if 'virtual_machine_refs' in obj_dict and not obj_dict['virtual_machine_refs']:
api_server.internal_request_ref_update(
'virtual-router',
vrouter_id, 'DELETE',
'virtual_machine',vm_refs[0]['uuid'])
return
api_server.internal_request_ref_update('virtual-router',
vrouter_id, 'ADD',
'virtual-machine', vm_refs[0]['uuid'])
# end _check_vrouter_link
@classmethod
def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
vn_dict = obj_dict['virtual_network_refs'][0]
vn_uuid = vn_dict.get('uuid')
if not vn_uuid:
vn_fq_name = vn_dict.get('to')
if not vn_fq_name:
msg = 'Bad Request: Reference should have uuid or fq_name: %s'\
%(pformat(vn_dict))
return (False, (400, msg))
vn_uuid = db_conn.fq_name_to_uuid('virtual_network', vn_fq_name)
ok, result = cls.dbe_read(db_conn, 'virtual_network', vn_uuid,
obj_fields=['parent_uuid'])
if not ok:
return ok, result
vn_dict = result
inmac = None
if 'virtual_machine_interface_mac_addresses' in obj_dict:
mc = obj_dict['virtual_machine_interface_mac_addresses']
if 'mac_address' in mc:
if len(mc['mac_address']) == 1:
inmac = [m.replace("-",":") for m in mc['mac_address']]
if inmac != None:
mac_addrs_obj = MacAddressesType(inmac)
else:
mac_addr = cls.addr_mgmt.mac_alloc(obj_dict)
mac_addrs_obj = MacAddressesType([mac_addr])
mac_addrs_json = json.dumps(
mac_addrs_obj,
default=lambda o: dict((k, v)
for k, v in o.__dict__.iteritems()))
mac_addrs_dict = json.loads(mac_addrs_json)
obj_dict['virtual_machine_interface_mac_addresses'] = mac_addrs_dict
if 'virtual_machine_interface_bindings' in obj_dict:
bindings = obj_dict['virtual_machine_interface_bindings']
kvps = bindings['key_value_pair']
kvp_dict = cls._kvp_to_dict(kvps)
if kvp_dict.get('vnic_type') == cls.portbindings['VNIC_TYPE_DIRECT']:
if not 'provider_properties' in vn_dict:
msg = 'No provider details in direct port'
return (False, (400, msg))
kvp_dict['vif_type'] = cls.portbindings['VIF_TYPE_HW_VEB']
vif_type = {'key': 'vif_type',
'value': cls.portbindings['VIF_TYPE_HW_VEB']}
kvps.append(vif_type)
vlan = vn_dict['provider_properties']['segmentation_id']
vif_params = {'port_filter': cls.portbindings['PORT_FILTER'],
'vlan': str(vlan)}
vif_details = {'key': 'vif_details', 'value': vif_params}
kvps.append(vif_details)
if 'vif_type' not in kvp_dict:
vif_type = {'key': 'vif_type',
'value': cls.portbindings['VIF_TYPE_VROUTER']}
kvps.append(vif_type)
if 'vnic_type' not in kvp_dict:
vnic_type = {'key': 'vnic_type',
'value': cls.portbindings['VNIC_TYPE_NORMAL']}
kvps.append(vnic_type)
return True, ""
# end pre_dbe_create
@classmethod
def post_dbe_create(cls, tenant_name, obj_dict, db_conn):
api_server = db_conn.get_api_server()
# Create ref to native/vn-default routing instance
vn_refs = obj_dict.get('virtual_network_refs', [])
if not vn_refs:
return True, ''
vn_fq_name = vn_refs[0].get('to')
if not vn_fq_name:
vn_uuid = vn_refs[0]['uuid']
vn_fq_name = db_conn.uuid_to_fq_name(vn_uuid)
ri_fq_name = vn_fq_name[:]
ri_fq_name.append(vn_fq_name[-1])
ri_uuid = db_conn.fq_name_to_uuid('routing_instance', ri_fq_name)
attr = PolicyBasedForwardingRuleType(direction="both")
attr_as_dict = attr.__dict__
api_server.internal_request_ref_update(
'virtual-machine-interface', obj_dict['uuid'], 'ADD',
'routing-instance', ri_uuid,
attr_as_dict)
return True, ''
# end post_dbe_create
@classmethod
def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn,
prop_collection_updates=None, **kwargs):
ok, read_result = cls.dbe_read(
db_conn, 'virtual_machine_interface', id)
if not ok:
return ok, read_result
# check if the vmi is a internal interface of a logical
# router
if (read_result.get('logical_router_back_refs') and
obj_dict.get('virtual_machine_refs')):
return (False,
(400, 'Logical router interface cannot be used by VM'))
# check if vmi is going to point to vm and if its using
# gateway address in iip, disallow
for iip_ref in read_result.get('instance_ip_back_refs') or []:
if (obj_dict.get('virtual_machine_refs') and
InstanceIpServer.is_gateway_ip(db_conn, iip_ref['uuid'])):
return (False, (400, 'Gateway IP cannot be used by VM port'))
if ('virtual_machine_interface_refs' in obj_dict and
'virtual_machine_interface_refs' in read_result):
for ref in read_result['virtual_machine_interface_refs']:
if ref not in obj_dict['virtual_machine_interface_refs']:
# Dont allow remove of vmi ref during update
msg = "VMI ref delete not allowed during update"
return (False, (409, msg))
bindings = read_result.get('virtual_machine_interface_bindings', {})
kvps = bindings.get('key_value_pair', [])
kvp_dict = cls._kvp_to_dict(kvps)
old_vnic_type = kvp_dict.get('vnic_type', cls.portbindings['VNIC_TYPE_NORMAL'])
bindings = obj_dict.get('virtual_machine_interface_bindings', {})
kvps = bindings.get('key_value_pair', [])
for oper_param in prop_collection_updates or []:
if (oper_param['field'] == 'virtual_machine_interface_bindings' and
oper_param['operation'] == 'set'):
kvps.append(oper_param['value'])
if kvps:
kvp_dict = cls._kvp_to_dict(kvps)
new_vnic_type = kvp_dict.get('vnic_type', old_vnic_type)
if (old_vnic_type != new_vnic_type):
return (False, (409, "Vnic_type can not be modified"))
if old_vnic_type == cls.portbindings['VNIC_TYPE_DIRECT']:
cls._check_vrouter_link(read_result, kvp_dict, obj_dict, db_conn)
return True, ""
# end pre_dbe_update
@classmethod
def pre_dbe_delete(cls, id, obj_dict, db_conn):
if ('virtual_machine_interface_refs' in obj_dict and
'virtual_machine_interface_properties' in obj_dict):
vmi_props = obj_dict['virtual_machine_interface_properties']
if 'sub_interface_vlan_tag' not in vmi_props:
msg = "Cannot delete vmi with existing ref to sub interface"
return (False, (409, msg))
bindings = obj_dict.get('virtual_machine_interface_bindings')
if bindings:
kvps = bindings.get('key_value_pair', [])
kvp_dict = cls._kvp_to_dict(kvps)
delete_dict = {'virtual_machine_refs' : []}
cls._check_vrouter_link(obj_dict, kvp_dict, delete_dict, db_conn)
return True, ""
# end pre_dbe_delete
# end class VirtualMachineInterfaceServer
class ServiceApplianceSetServer(Resource, ServiceApplianceSet):
@classmethod
def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn, **kwargs):
(ok, result) = db_conn.dbe_list('loadbalancer_pool', back_ref_uuids=[id])
if not ok:
return (ok, (500, 'Error in dbe_list: %s' %(result)))
if len(result) > 0:
msg = "Service appliance set can not be updated as loadbalancer "\
"pools are using it"
return (False, (409, msg))
return True, ""
# end pre_dbe_update
# end class ServiceApplianceSetServer
class VirtualNetworkServer(Resource, VirtualNetwork):
@classmethod
def _check_route_targets(cls, obj_dict, db_conn):
if 'route_target_list' not in obj_dict:
return (True, '')
config_uuid = db_conn.fq_name_to_uuid('global_system_config', ['default-global-system-config'])
config = db_conn.uuid_to_obj_dict(config_uuid)
global_asn = config.get('prop:autonomous_system')
if not global_asn:
return (True, '')
rt_dict = obj_dict.get('route_target_list')
if not rt_dict:
return (True, '')
for rt in rt_dict.get('route_target', []):
try:
(prefix, asn, target) = _parse_rt(rt)
except ValueError:
return (False, "Route target must be of the format "
"'target:<asn>:<number>' or 'target:<ip>:number'")
if asn == global_asn and target >= cfgm_common.BGP_RTGT_MIN_ID:
return (False, "Configured route target must use ASN that is "
"different from global ASN or route target value must"
" be less than %d" % cfgm_common.BGP_RTGT_MIN_ID)
return (True, '')
# end _check_route_targets
@classmethod
def _check_provider_details(cls, obj_dict, db_conn, create):
properties = obj_dict.get('provider_properties')
if not properties:
return (True, '')
if not create:
ok, result = cls.dbe_read(db_conn, 'virtual_network',
obj_dict['uuid'],
obj_fields=['virtual_machine_interface_back_refs',
'provider_properties'])
if not ok:
return ok, result
old_properties = result.get('provider_properties')
if 'virtual_machine_interface_back_refs' in result:
if old_properties != properties:
return (False, "Provider values can not be changed when VMs are already using")
if old_properties:
if not properties.get('segmentation_id'):
properties['segmentation_id'] = old_properties.get('segmentation_id')
if not properties.get('physical_network'):
properties['physical_network'] = old_properties.get('physical_network')
if not properties.get('segmentation_id'):
return (False, "Segmenation id must be configured")
if not properties.get('physical_network'):
return (False, "physical network must be configured")
return (True, '')
@classmethod
def _is_multi_policy_service_chain_supported(cls, obj_dict, read_result=None):
if not ('multi_policy_service_chains_enabled' in obj_dict or
'route_target_list' in obj_dict or
'import_route_target_list' in obj_dict or
'export_route_target_list' in obj_dict):
return (True, '')
# Create Request
if not read_result:
read_result = {}
result_obj_dict = copy.deepcopy(read_result)
result_obj_dict.update(obj_dict)
if result_obj_dict.get('multi_policy_service_chains_enabled'):
import_export_targets = result_obj_dict.get('route_target_list', {})
import_targets = result_obj_dict.get('import_route_target_list', {})
export_targets = result_obj_dict.get('export_route_target_list', {})
import_targets_set = set(import_targets.get('route_target', []))
export_targets_set = set(export_targets.get('route_target', []))
targets_in_both_import_and_export = \
import_targets_set.intersection(export_targets_set)
if (import_export_targets.get('route_target', []) or
targets_in_both_import_and_export):
msg = "Multi policy service chains are not supported, "
msg += "with both import export external route targets"
return (False, (409, msg))
return (True, '')
@classmethod
def _check_ipam_network_subnets(cls, obj_dict, db_conn, vn_uuid,
db_dict=None):
# if Network has subnets in network_ipam_refs, it should refer to
# atleast one ipam with user-defined-subnet method. If network is
# attached to all "flat-subnet", vn can not have any VnSubnetType cidrs
net_mode = None
virtual_network_properties = obj_dict.get('virtual_network_properties')
if virtual_network_properties is not None:
net_mode = virtual_network_properties.get('forwarding_mode')
ipam_refs = obj_dict.get('network_ipam_refs', [])
ipam_subnets_list = []
for ipam in ipam_refs:
ipam_fq_name = ipam['to']
if 'uuid' in ipam:
ipam_uuid = ipam['uuid']
else:
ipam_uuid = db_conn.fq_name_to_uuid('network_ipam',
ipam_fq_name)
(ok, ipam_dict) = db_conn.dbe_read(
obj_type='network_ipam',
obj_ids={'uuid': ipam_uuid})
if not ok:
return (ok, 400, ipam_dict)
subnet_method = ipam_dict.get('ipam_subnet_method')
if subnet_method is None:
subnet_method = 'user-defined-subnet'
if subnet_method == 'flat-subnet':
subnets_list = cls.addr_mgmt._ipam_to_subnets(ipam_dict)
if not subnets_list:
subnets_list = []
ipam_subnets_list = ipam_subnets_list + subnets_list
# get user-defined-subnet information to validate
# that there is cidr configured if subnet_method is 'flat-subnet'