/
instance_manager.py
819 lines (703 loc) · 30.2 KB
/
instance_manager.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2014 Cloudwatt
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# @author: Rudra Rugge
import abc
import six
import uuid
from cfgm_common import analytics_client
from cfgm_common import svc_info
from vnc_api.vnc_api import *
from config_db import *
@six.add_metaclass(abc.ABCMeta)
class InstanceManager(object):
def __init__(self, vnc_lib, db, logger, vrouter_scheduler,
nova_client, agent_manager, args=None):
self.logger = logger
self._vnc_lib = vnc_lib
self._args = args
self._nc = nova_client
self._agent_manager = agent_manager
self.vrouter_scheduler = vrouter_scheduler
@abc.abstractmethod
def create_service(self, st, si):
pass
@abc.abstractmethod
def delete_service(self, vm):
pass
@abc.abstractmethod
def check_service(self, si):
pass
def mac_alloc(self, uuid):
return '02:%s:%s:%s:%s:%s' % (uuid[0:2], uuid[2:4],
uuid[4:6], uuid[6:8], uuid[9:11])
def _get_default_security_group(self, vn):
sg_fq_name = vn.fq_name[:-1] + ['default']
for sg in SecurityGroupSM.values():
if sg.fq_name == sg_fq_name:
sg_obj = SecurityGroup()
sg_obj.uuid = sg.uuid
sg_obj.fq_name = sg.fq_name
return sg_obj
self.logger.error(
"Security group not found %s" % (':'.join(sg_fq_name)))
return None
def _get_instance_name(self, si, inst_count):
name = si.name + '__' + str(inst_count + 1)
instance_name = "__".join(si.fq_name[:-1] + [name])
return instance_name
def _get_if_route_table_name(self, if_type, si):
rt_name = si.uuid + ' ' + if_type
rt_fq_name = si.fq_name[:-1] + [rt_name]
return rt_fq_name
def _get_project_obj(self, proj_fq_name):
proj_obj = None
for proj in ProjectSM.values():
if proj.fq_name == proj_fq_name:
proj_obj = Project()
proj_obj.uuid = proj.uuid
proj_obj.name = proj.name
proj_obj.fq_name = proj.fq_name
break
if not proj_obj:
self.logger.error("%s project not found" %
(':'.join(proj_fq_name)))
return proj_obj
def _allocate_iip_for_family(self, vn_obj, iip_name, iip_family):
if iip_family == 'v6':
iip_name = iip_name + '-' + iip_family
iip_obj = InstanceIp(name=iip_name, instance_ip_family=iip_family)
iip_obj.add_virtual_network(vn_obj)
iip_obj.set_service_instance_ip(True)
for iip in InstanceIpSM.values():
if iip.name == iip_name:
iip_obj.uuid = iip.uuid
return iip_obj
if not iip_obj.uuid:
try:
self._vnc_lib.instance_ip_create(iip_obj)
except RefsExistError:
iip_obj = self._vnc_lib.instance_ip_read(fq_name=[iip_name])
except BadRequest:
return None
InstanceIpSM.locate(iip_obj.uuid)
return iip_obj
def _allocate_iip(self, vn_obj, iip_name):
iip_obj = self._allocate_iip_for_family(vn_obj, iip_name, 'v4')
iipv6_obj = self._allocate_iip_for_family(vn_obj, iip_name, 'v6')
return iip_obj, iipv6_obj
def _link_and_update_iip_for_family(self, si, vmi_obj, iip_obj):
iip_update = True
iip = InstanceIpSM.get(iip_obj.uuid)
if iip:
for vmi_id in iip.virtual_machine_interfaces:
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if vmi and vmi.uuid == vmi_obj.uuid:
iip_update = False
else:
vmi_refs = iip_obj.get_virtual_machine_interface_refs()
for vmi_ref in vmi_refs or []:
if vmi_obj.uuid == vmi_ref['uuid']:
iip_update = False
if iip_update:
if si.ha_mode:
iip_obj.set_instance_ip_mode(si.ha_mode)
elif si.max_instances > 1:
iip_obj.set_instance_ip_mode(u'active-active')
else:
iip_obj.set_instance_ip_mode(u'active-standby')
iip_obj.add_virtual_machine_interface(vmi_obj)
self._vnc_lib.instance_ip_update(iip_obj)
def _link_and_update_iip(self, si, vmi_obj, iip_obj, iipv6_obj):
if iip_obj:
self._link_and_update_iip_for_family(si, vmi_obj, iip_obj)
if iipv6_obj:
self._link_and_update_iip_for_family(si, vmi_obj, iipv6_obj)
def _link_fip_to_vmi(self, vmi_id, fip_id):
fip = FloatingIpSM.get(fip_id)
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if not fip or not vmi:
self.logger.error("Failed associating fip %s to vmi %s" %
(fip_id, vmi_id))
return
if fip_id in vmi.floating_ips:
return
self._vnc_lib.ref_update('floating-ip', fip_id,
'virtual-machine-interface', vmi_id, None, 'ADD')
vmi.floating_ips.add(fip_id)
def _link_sgs_to_vmi(self, vmi_id, sg_list):
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if not vmi:
return
for sg_id in list(vmi.security_groups):
if sg_id in sg_list:
continue
try:
self._vnc_lib.ref_update('virtual-machine-interface', vmi_id,
'security-group', sg_id, None, 'DELETE')
vmi.security_groups.remove(sg_id)
except Exception as e:
self.logger.error(
"Security group detach from loadbalancer ports failed")
for sg_id in sg_list:
if sg_id in vmi.security_groups:
continue
try:
self._vnc_lib.ref_update('virtual-machine-interface', vmi_id,
'security-group', sg_id, None, 'ADD')
vmi.security_groups.add(sg_id)
except Exception as e:
self.logger.error(
"Security group attach to loadbalancer ports failed")
def _set_static_routes(self, nic, si):
static_routes = nic['static-routes']
if not static_routes:
static_routes = {'route': []}
proj_obj = self._get_project_obj(si.fq_name[:-1])
if not proj_obj:
return
rt_fq_name = self._get_if_route_table_name(nic['type'], si)
rt_obj = InterfaceRouteTable(name=rt_fq_name[-1],
parent_obj=proj_obj, interface_route_table_routes=static_routes)
for irt in InterfaceRouteTableSM.values():
if irt.fq_name == rt_fq_name:
rt_obj.set_interface_route_table_routes(static_routes)
self._vnc_lib.interface_route_table_update(rt_obj)
return rt_obj
try:
self._vnc_lib.interface_route_table_create(rt_obj)
except RefsExistError:
self._vnc_lib.interface_route_table_update(rt_obj)
InterfaceRouteTableSM.locate(rt_obj.uuid)
return rt_obj
def update_static_routes(self, si):
for nic in si.vn_info:
if nic['static-route-enable']:
self._set_static_routes(nic, si)
def link_si_to_vm(self, si, st, instance_index, vm_uuid):
vm_obj = VirtualMachine()
vm_obj.uuid = vm_uuid
instance_name = self._get_instance_name(si, instance_index)
if st.virtualization_type == 'virtual-machine':
vm_obj.fq_name = [vm_uuid]
else:
vm_obj.fq_name = [instance_name]
vm_obj.set_display_name(instance_name + '__' + st.virtualization_type)
si_obj = ServiceInstance()
si_obj.uuid = si.uuid
si_obj.fq_name = si.fq_name
vm_obj.set_service_instance(si_obj)
try:
self._vnc_lib.virtual_machine_create(vm_obj)
except RefsExistError:
self._vnc_lib.virtual_machine_update(vm_obj)
VirtualMachineSM.locate(vm_obj.uuid)
self.logger.info("Info: VM %s updated SI %s" %
(vm_obj.get_fq_name_str(), si_obj.get_fq_name_str()))
return vm_obj
def create_port_tuple(self, si, st, instance_index, pt_uuid):
if not st.virtualization_type == 'physical-device':
return None
si_obj = ServiceInstance()
si_obj.uuid = si.uuid
si_obj.fq_name = si.fq_name
pt_obj = PortTuple(
name = si.fq_name[-1]+'_'+str(instance_index),
parent_obj=si_obj,
uuid=pt_uuid)
try:
self._vnc_lib.port_tuple_create(pt_obj)
except RefsExistError:
self.logger.info("Info: PT %s of SI %s already exist" %
(pt_obj.get_fq_name_str(), si_obj.get_fq_name_str()))
PortTupleSM.locate(pt_uuid,pt_obj.__dict__)
self.logger.info("Info: PT %s updated SI %s" %
(pt_obj.get_fq_name_str(), si_obj.get_fq_name_str()))
return pt_obj
def create_service_vn(self, vn_name, vn_subnet, vn_subnet6,
proj_fq_name, user_visible=None):
self.logger.info(
"Creating network %s subnet %s subnet6 %s" %
(vn_name, vn_subnet, vn_subnet6))
proj_obj = self._get_project_obj(proj_fq_name)
if not proj_obj:
return
vn_obj = VirtualNetwork(name=vn_name, parent_obj=proj_obj)
if user_visible is not None:
id_perms = IdPermsType(enable=True, user_visible=user_visible)
vn_obj.set_id_perms(id_perms)
domain_name, project_name = proj_obj.get_fq_name()
ipam_fq_name = [domain_name, project_name, 'default-network-ipam']
try:
ipam_obj = self._vnc_lib.network_ipam_read(fq_name=ipam_fq_name)
except NoIdError:
ipam_obj = NetworkIpam()
ipam_subnets = []
cidr = vn_subnet.split('/')
pfx = cidr[0]
pfx_len = int(cidr[1])
ipam_subnets.append(IpamSubnetType(subnet=SubnetType(pfx, pfx_len)))
if vn_subnet6:
cidr = vn_subnet6.split('/')
pfx = cidr[0]
pfx_len = int(cidr[1])
ipam_subnets.append(IpamSubnetType(subnet=SubnetType(pfx, pfx_len)))
vn_obj.add_network_ipam(ipam_obj, VnSubnetsType(ipam_subnets))
try:
self._vnc_lib.virtual_network_create(vn_obj)
except RefsExistError:
vn_obj = self._vnc_lib.virtual_network_read(
fq_name=vn_obj.get_fq_name())
VirtualNetworkSM.locate(vn_obj.uuid)
return vn_obj.uuid
def _upgrade_config(self, st, si):
left_vn = si.params.get('left_virtual_network', None)
right_vn = si.params.get('right_virtual_network', None)
mgmt_vn = si.params.get('management_virtual_network', None)
st_if_list = st.params.get('interface_type', [])
itf_list = []
for index in range(0, len(st_if_list)):
st_if_type = st_if_list[index]['service_interface_type']
if st_if_type == svc_info.get_left_if_str():
itf = ServiceInstanceInterfaceType(virtual_network=left_vn)
elif st_if_type == svc_info.get_right_if_str():
itf = ServiceInstanceInterfaceType(virtual_network=right_vn)
elif st_if_type == svc_info.get_management_if_str():
itf = ServiceInstanceInterfaceType(virtual_network=mgmt_vn)
itf_list.append(itf)
si_obj = ServiceInstance()
si_obj.uuid = si.uuid
si_obj.fq_name = si.fq_name
si_props = ServiceInstanceType(**si.params)
si_props.set_interface_list(itf_list)
si_obj.set_service_instance_properties(si_props)
self._vnc_lib.service_instance_update(si_obj)
self.logger.notice("SI %s config upgraded for interfaces" %
(si_obj.get_fq_name_str()))
def validate_network_config(self, st, si):
if not si.params.get('interface_list'):
self._upgrade_config(st, si)
st_if_list = st.params.get('interface_type', [])
si_if_list = si.params.get('interface_list', [])
if not len(st_if_list) or not len(si_if_list):
self.logger.notice("Interface list empty for ST %s SI %s" %
((':').join(st.fq_name), (':').join(si.fq_name)))
return False
si.vn_info = []
config_complete = True
for index in range(0, len(st_if_list)):
vn_id = None
try:
si_if = si_if_list[index]
st_if = st_if_list[index]
except IndexError:
continue
nic = {}
user_visible = True
itf_type = st_if.get('service_interface_type')
vn_fq_str = si_if.get('virtual_network', None)
if not vn_fq_str:
vn_id = self._check_create_service_vn(itf_type, si)
else:
try:
vn_id = self._vnc_lib.fq_name_to_id(
'virtual-network', vn_fq_str.split(':'))
except NoIdError:
config_complete = False
nic['type'] = itf_type
nic['index'] = str(index + 1)
nic['net-id'] = vn_id
nic['shared-ip'] = st_if.get('shared_ip')
nic['static-route-enable'] = st_if.get('static_route_enable')
nic['static-routes'] = si_if.get('static_routes')
nic['user-visible'] = user_visible
si.vn_info.insert(index, nic)
if config_complete:
self.logger.info("SI %s info is complete" % si.fq_name)
si.state = 'config_complete'
else:
self.logger.warning("SI %s info is not complete" % si.fq_name)
si.state = 'config_pending'
return config_complete
def cleanup_svc_vm_ports(self, vmi_list):
for vmi_id in vmi_list:
try:
vmi_obj = self._vnc_lib.virtual_machine_interface_read(
id=vmi_id, fields=['instance_ip_back_refs', 'interface_route_table_refs'])
except NoIdError:
continue
for iip in vmi_obj.get_instance_ip_back_refs() or []:
try:
self._vnc_lib.ref_update('instance-ip', iip['uuid'],
'virtual-machine-interface', vmi_id, None, 'DELETE')
except NoIdError:
pass
iip_obj = self._vnc_lib.instance_ip_read(id=iip['uuid'])
if not iip_obj.get_virtual_machine_interface_refs():
try:
self._vnc_lib.instance_ip_delete(id=iip['uuid'])
InstanceIpSM.delete(iip['uuid'])
except NoIdError:
pass
for fip in vmi_obj.get_floating_ip_back_refs() or []:
try:
self._vnc_lib.ref_update('floating-ip', fip['uuid'],
'virtual-machine-interface', vmi_id, None, 'DELETE')
except NoIdError:
pass
try:
self._vnc_lib.virtual_machine_interface_delete(id=vmi_id)
VirtualMachineInterfaceSM.delete(vmi_id)
except (NoIdError, RefsExistError) as e:
pass
for irt in vmi_obj.get_interface_route_table_refs() or []:
try:
self._vnc_lib.interface_route_table_delete(id=irt['uuid'])
InterfaceRouteTableSM.delete(irt['uuid'])
except (NoIdError, RefsExistError) as e:
pass
def _check_create_service_vn(self, itf_type, si):
vn_id = None
# search or create shared vn
funcname = "get_" + itf_type + "_vn_name"
func = getattr(svc_info, funcname)
service_vn_name = func()
funcname = "get_" + itf_type + "_vn_subnet"
func = getattr(svc_info, funcname)
service_vn_subnet = func()
funcname = "get_" + itf_type + "_vn_subnet6"
func = getattr(svc_info, funcname)
service_vn_subnet6 = func()
vn_fq_name = si.fq_name[:-1] + [service_vn_name]
try:
vn_id = self._vnc_lib.fq_name_to_id(
'virtual-network', vn_fq_name)
except NoIdError:
vn_id = self.create_service_vn(service_vn_name,
service_vn_subnet, service_vn_subnet6, si.fq_name[:-1])
return vn_id
def _check_create_netns_vm(self, instance_index, si, st, vm):
# notify all the agents
ret_val = self._agent_manager.pre_create_service_vm(
instance_index, si, st, vm)
if not ret_val:
return None
instance_name = self._get_instance_name(si, instance_index)
vm_obj = VirtualMachine(instance_name)
vm_obj.set_display_name(instance_name + '__' + st.virtualization_type)
if not vm:
si_obj = ServiceInstance()
si_obj.uuid = si.uuid
si_obj.fq_name = si.fq_name
vm_obj.set_service_instance(si_obj)
try:
self._vnc_lib.virtual_machine_create(vm_obj)
except RefsExistError:
vm_obj = self._vnc_lib.virtual_machine_read(fq_name=vm_obj.fq_name)
self._vnc_lib.ref_update('service-instance', si.uuid,
'virtual-machine', vm_obj.uuid)
vm = VirtualMachineSM.locate(vm_obj.uuid)
self.logger.info("Info: VM %s created for SI %s" %
(instance_name, si_obj.get_fq_name_str()))
else:
vm_obj.uuid = vm.uuid
for nic in si.vn_info:
vmi_obj = self._create_svc_vm_port(nic, instance_name, si, st,
local_preference=si.local_preference[
instance_index],
vm_obj=vm_obj)
# notify all the agents
self._agent_manager.post_create_service_vm(instance_index, si, st, vm)
return vm
def _create_svc_vm_port(self, nic, instance_name, si, st,
local_preference=None, vm_obj=None, pi=None, pt=None):
# get network
vn = VirtualNetworkSM.get(nic['net-id'])
if vn:
vn_obj = VirtualNetwork()
vn_obj.uuid = vn.uuid
vn_obj.fq_name = vn.fq_name
else:
self.logger.error(
"Virtual network %s not found for port create %s %s"
% (nic['net-id'], instance_name, ':'.join(si.fq_name)))
return
# get project
proj_obj = self._get_project_obj(si.fq_name[:-1])
if not proj_obj:
return
vmi_create = False
vmi_updated = False
if_properties = None
port_name = ('__').join([instance_name, nic['type'], nic['index']])
port_fq_name = proj_obj.fq_name + [port_name]
vmi_obj = VirtualMachineInterface(parent_obj=proj_obj, name=port_name)
for vmi in VirtualMachineInterfaceSM.values():
if vmi.fq_name == port_fq_name:
vmi_obj.uuid = vmi.uuid
vmi_obj.fq_name = vmi.fq_name
if_properties = VirtualMachineInterfacePropertiesType(
**vmi.params)
vmi_network = vmi.virtual_network
if len(vmi.interface_route_tables):
vmi_irt = list(vmi.interface_route_tables)[0]
else:
vmi_irt = None
vmi_sg = vmi.security_groups
vmi_vm = vmi.virtual_machine
break
if not vmi_obj.uuid:
if nic['user-visible'] is not None:
id_perms = IdPermsType(enable=True,
user_visible=nic['user-visible'])
vmi_obj.set_id_perms(id_perms)
vmi_create = True
vmi_network = None
vmi_irt = None
vmi_sg = None
vmi_vm = None
# set vm, vn, itf_type, sg and static routes
if not vmi_vm and vm_obj:
vmi_obj.set_virtual_machine(vm_obj)
vmi_updated = True
self.logger.info("Info: VMI %s updated with VM %s" %
(vmi_obj.get_fq_name_str(), instance_name))
if not vmi_network:
vmi_obj.set_virtual_network(vn_obj)
vmi_updated = True
if if_properties is None:
if_properties = VirtualMachineInterfacePropertiesType(nic['type'])
vmi_obj.set_virtual_machine_interface_properties(if_properties)
vmi_updated = True
if local_preference:
if local_preference != if_properties.get_local_preference():
if_properties.set_local_preference(local_preference)
vmi_obj.set_virtual_machine_interface_properties(if_properties)
vmi_updated = True
if (st.params.get('service_mode') in ['in-network', 'in-network-nat'] and
proj_obj.name != 'default-project'):
if not vmi_sg:
sg_obj = self._get_default_security_group(vn_obj)
vmi_obj.set_security_group(sg_obj)
vmi_updated = True
if nic['static-route-enable']:
if not vmi_irt:
rt_obj = self._set_static_routes(nic, si)
vmi_obj.set_interface_route_table(rt_obj)
vmi_updated = True
if vmi_create:
if pi:
pi_vnc = PhysicalInterface()
pi_vnc.uuid = pi.uuid
pi_vnc.fq_name = pi.fq_name
vmi_obj.add_physical_interface(pi_vnc)
if pt:
pt_vnc = PortTuple()
pt_vnc.uuid = pt.uuid
pt_vnc.fq_name = pt.fq_name
vmi_obj.add_port_tuple(pt_vnc)
try:
self._vnc_lib.virtual_machine_interface_create(vmi_obj)
except RefsExistError:
self._vnc_lib.virtual_machine_interface_update(vmi_obj)
elif vmi_updated:
self._vnc_lib.virtual_machine_interface_update(vmi_obj)
VirtualMachineInterfaceSM.locate(vmi_obj.uuid)
# instance ip
iip_obj = None
iipv6_obj = None
if 'iip-id' in nic:
iip = InstanceIpSM.get(nic['iip-id'])
if iip:
iip_obj = InstanceIp(name=iip.name)
iip_obj.uuid = iip.uuid
elif nic['shared-ip']:
iip_name = "__".join(si.fq_name) + '-' + nic['type']
iip_obj, iipv6_obj = self._allocate_iip(vn_obj, iip_name)
else:
iip_name = instance_name + '-' + nic['type'] + '-' + vmi_obj.uuid
iip_obj, iipv6_obj = self._allocate_iip(vn_obj, iip_name)
if not iip_obj and not iipv6_obj:
self.logger.error(
"Instance IP not allocated for %s %s"
% (instance_name, proj_obj.name))
return
# set mac address
if vmi_create:
if iip_obj:
mac_addr = self.mac_alloc(iip_obj.uuid)
else:
mac_addr = self.mac_alloc(iipv6_obj.uuid)
mac_addrs_obj = MacAddressesType([mac_addr])
vmi_obj.set_virtual_machine_interface_mac_addresses(mac_addrs_obj)
self._vnc_lib.virtual_machine_interface_update(vmi_obj)
# link vmi to iip and set ha-mode
self._link_and_update_iip(si, vmi_obj, iip_obj, iipv6_obj)
# link vmi to fip
if 'fip-id' in nic:
self._link_fip_to_vmi(vmi_obj.uuid, nic['fip-id'])
# link vmi to sg
if 'sg-list' in nic:
self._link_sgs_to_vmi(vmi_obj.uuid, nic['sg-list'])
return vmi_obj
def _associate_vrouter(self, si, vm):
vrouter_name = None
if not vm.virtual_router:
chosen_vr = self.vrouter_scheduler.schedule(si, vm)
if chosen_vr:
vr = VirtualRouterSM.get(chosen_vr)
vrouter_name = vr.name
self.logger.notice("vrouter %s updated with vm %s" %
(':'.join(vr.fq_name), vm.name))
vm.update()
else:
vr = VirtualRouterSM.get(vm.virtual_router)
vrouter_name = vr.name
return vrouter_name
def _update_local_preference(self, si, del_vm):
if si.ha_mode != 'active-standby':
return
st = ServiceTemplateSM.get(si.service_template)
if not st:
return
if si.local_preference[del_vm.index] == \
svc_info.get_standby_preference():
return
si.local_preference[del_vm.index] = svc_info.get_standby_preference()
other_index = si.max_instances - del_vm.index - 1
si.local_preference[other_index] = svc_info.get_active_preference()
for vm_id in si.virtual_machines:
vm = VirtualMachineSM.get(vm_id)
if vm:
self._check_create_netns_vm(vm.index, si, st, vm)
class VRouterHostedManager(InstanceManager):
@abc.abstractmethod
def create_service(self, st, si):
pass
def delete_service(self, vm):
vmi_list = []
for vmi_id in vm.virtual_machine_interfaces:
vmi_list.append(vmi_id)
self.cleanup_svc_vm_ports(vmi_list)
if vm.virtual_router:
try:
self._vnc_lib.ref_update('virtual-router', vm.virtual_router,
'virtual-machine', vm.uuid, None, 'DELETE')
self.logger.info("vm %s deleted from vr %s" %
(vm.fq_name, vm.virtual_router))
except NoIdError:
pass
try:
self._vnc_lib.virtual_machine_delete(id=vm.uuid)
except NoIdError:
pass
VirtualMachineSM.delete(vm.uuid)
def check_service(self, si):
service_up = True
for vm_id in si.virtual_machines:
vm = VirtualMachineSM.get(vm_id)
if not vm:
continue
if not vm.virtual_router:
self.logger.error("vrouter not found for vm %s" % vm.uuid)
service_up = False
else:
vr = VirtualRouterSM.get(vm.virtual_router)
if vr.agent_state:
continue
self._vnc_lib.ref_update('virtual-router', vr.uuid,
'virtual-machine', vm.uuid, None, 'DELETE')
vr.update()
self.logger.error(
"vrouter %s down for vm %s" % (vr.name, vm.uuid))
service_up = False
return service_up
class NetworkNamespaceManager(VRouterHostedManager):
def create_service(self, st, si):
if not self.validate_network_config(st, si):
return
# get current vm list
vm_list = [None] * si.max_instances
for vm_id in si.virtual_machines:
vm = VirtualMachineSM.get(vm_id)
vm_list[vm.index] = vm
# if vn has changed then delete VMs
if si.vn_changed:
for vm in vm_list:
if vm:
self.delete_service(vm)
vm_list = [None] * si.max_instances
si.vn_changed = False
# create and launch vm
si.state = 'launching'
instances = []
for index in range(0, si.max_instances):
vm = self._check_create_netns_vm(index, si, st, vm_list[index])
if not vm:
continue
vr_name = self._associate_vrouter(si, vm)
if not vr_name:
self.logger.error("No vrouter available for VM %s" %
vm.name)
if si.local_preference[index] == svc_info.get_standby_preference():
ha = ("standby: %s" % (si.local_preference[index]))
else:
ha = ("active: %s" % (si.local_preference[index]))
instances.append({'uuid': vm.uuid, 'vr_name': vr_name, 'ha': ha})
# uve trace
si.state = 'active'
self.logger.uve_svc_instance((':').join(si.fq_name),
status='CREATE', vms=instances,
st_name=(':').join(st.fq_name))
def _get_loadbalancer_vmi(self, vmi_ids):
for vmi_id in vmi_ids:
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if not vmi or not (vmi.virtual_ip or vmi.loadbalancer):
continue
return vmi
return None
def add_fip_to_vip_vmi(self, fip):
vip_vmi = self._get_loadbalancer_vmi(fip.virtual_machine_interfaces)
if not vip_vmi:
return
if not vip_vmi.instance_ips:
self.logger.error("VMI %s missing instance_ip backrefs" %
vip_vmi.uuid)
return
for iip_id in vip_vmi.instance_ips:
iip = InstanceIpSM.get(iip_id)
if not iip:
self.logger.error("Instance IP object missing for iip_id %s" \
% iip_id)
continue
for vmi_id in iip.virtual_machine_interfaces:
if vmi_id == vip_vmi.uuid:
continue
self._link_fip_to_vmi(vmi_id, fip.uuid)
return
def add_sg_to_vip_vmi(self, sg):
vip_vmi = self._get_loadbalancer_vmi(sg.virtual_machine_interfaces)
if not vip_vmi:
return
for iip_id in vip_vmi.instance_ips:
iip = InstanceIpSM.get(iip_id)
if not iip:
continue
for vmi_id in iip.virtual_machine_interfaces:
if vmi_id == vip_vmi.uuid:
continue
self._link_sgs_to_vmi(vmi_id, vip_vmi.security_groups)
return