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svc_monitor.py
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svc_monitor.py
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#
# Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
#
"""
Service monitor to instantiate/scale/monitor services like firewall, LB, ...
"""
import sys
reload(sys)
sys.setdefaultencoding('UTF8')
import gevent
from gevent import monkey
monkey.patch_all(thread=not 'unittest' in sys.modules)
from cfgm_common.zkclient import ZookeeperClient
import requests
import ConfigParser
import cgitb
import cStringIO
import argparse
import socket
import os
import logging
import logging.handlers
from cfgm_common.imid import *
from cfgm_common import importutils
from cfgm_common import svc_info
from cfgm_common import utils
from cfgm_common.utils import cgitb_hook
from cfgm_common.vnc_kombu import VncKombuClient
from cfgm_common.vnc_db import DBBase
from config_db import *
from cfgm_common.dependency_tracker import DependencyTracker
from pysandesh.sandesh_base import Sandesh
from pysandesh.gen_py.sandesh.ttypes import SandeshLevel
from pysandesh.gen_py.process_info.ttypes import ConnectionStatus
from sandesh_common.vns.ttypes import Module
from sandesh_common.vns.constants import ModuleNames
from vnc_api.vnc_api import *
import discoveryclient.client as client
from db import ServiceMonitorDB
from logger import ServiceMonitorLogger
from loadbalancer_agent import LoadbalancerAgent
from novaclient import exceptions as nc_exc
# zookeeper client connection
_zookeeper_client = None
class SvcMonitor(object):
_DEFAULT_KS_CERT_BUNDLE="/tmp/keystonecertbundle.pem"
_kscertbundle=None
"""
data + methods used/referred to by ssrc and arc greenlets
"""
_REACTION_MAP = {
"service_appliance_set": {
'self': [],
'service_appliance': []
},
"service_appliance": {
'self': ['service_appliance_set'],
'service_appliance_set': []
},
"loadbalancer_pool": {
'self': [],
'virtual_ip': [],
'loadbalancer_member': [],
'loadbalancer_healthmonitor': [],
},
"loadbalancer_member": {
'self': ['loadbalancer_pool'],
'loadbalancer_pool': []
},
"virtual_ip": {
'self': ['loadbalancer_pool'],
'loadbalancer_pool': []
},
"loadbalancer_healthmonitor": {
'self': ['loadbalancer_pool'],
'loadbalancer_pool': []
},
"service_instance": {
'self': ['virtual_machine'],
'virtual_machine': []
},
"instance_ip": {
'self': [],
},
"floating_ip": {
'self': [],
},
"service_template": {
'self': [],
},
"physical_router": {
'self': [],
},
"physical_interface": {
'self': [],
},
"logical_interface": {
'self': [],
},
"virtual_network": {
'self': [],
},
"virtual_machine": {
'self': ['virtual_machine_interface'],
'service_instance': [],
'virtual_machine_interface': [],
},
"virtual_machine_interface": {
'self': ['interface_route_table', 'virtual_machine'],
'interface_route_table': [],
'virtual_machine': [],
},
"interface_route_table": {
'self': [],
'virtual_machine_interface': [],
},
"project": {
'self': [],
},
}
def __init__(self, args=None):
self._args = args
# initialize discovery client
self._disc = None
if self._args.disc_server_ip and self._args.disc_server_port:
self._disc = client.DiscoveryClient(self._args.disc_server_ip,
self._args.disc_server_port,
ModuleNames[Module.SVC_MONITOR])
# initialize logger
self.logger = ServiceMonitorLogger(self._disc, args)
# rotating log file for catchall errors
self._err_file = self._args.trace_file
self._svc_err_logger = logging.getLogger('SvcErrLogger')
self._svc_err_logger.setLevel(logging.ERROR)
try:
with open(self._err_file, 'a'):
handler = logging.handlers.RotatingFileHandler(
self._err_file, maxBytes=64*1024, backupCount=2)
self._svc_err_logger.addHandler(handler)
except IOError:
self.logger.log_warning("Failed to open trace file %s" %
self._err_file)
# Connect to Rabbit and Initialize cassandra connection
self._connect_rabbit()
def _connect_rabbit(self):
rabbit_server = self._args.rabbit_server
rabbit_port = self._args.rabbit_port
rabbit_user = self._args.rabbit_user
rabbit_password = self._args.rabbit_password
rabbit_vhost = self._args.rabbit_vhost
rabbit_ha_mode = self._args.rabbit_ha_mode
self._db_resync_done = gevent.event.Event()
q_name = 'svc_mon.%s' % (socket.gethostname())
self._vnc_kombu = VncKombuClient(rabbit_server, rabbit_port,
rabbit_user, rabbit_password,
rabbit_vhost, rabbit_ha_mode,
q_name, self._vnc_subscribe_callback,
self.logger.log)
self._cassandra = ServiceMonitorDB(self._args, self.logger)
DBBase.init(self, self.logger, self._cassandra)
# end _connect_rabbit
def _vnc_subscribe_callback(self, oper_info):
self._db_resync_done.wait()
try:
self._vnc_subscribe_actions(oper_info)
except Exception:
cgitb_error_log(self)
def _vnc_subscribe_actions(self, oper_info):
try:
msg = "Notification Message: %s" % (pformat(oper_info))
self.logger.log_debug(msg)
obj_type = oper_info['type'].replace('-', '_')
obj_class = DBBase._OBJ_TYPE_MAP.get(obj_type)
if obj_class is None:
return
if oper_info['oper'] == 'CREATE' or oper_info['oper'] == 'UPDATE':
dependency_tracker = DependencyTracker(DBBase._OBJ_TYPE_MAP,
self._REACTION_MAP)
obj_id = oper_info['uuid']
obj = obj_class.get(obj_id)
if obj is not None:
dependency_tracker.evaluate(obj_type, obj)
else:
obj = obj_class.locate(obj_id)
obj.update()
dependency_tracker.evaluate(obj_type, obj)
elif oper_info['oper'] == 'DELETE':
obj_id = oper_info['uuid']
obj = obj_class.get(obj_id)
if obj is None:
return
dependency_tracker = DependencyTracker(DBBase._OBJ_TYPE_MAP,
self._REACTION_MAP)
dependency_tracker.evaluate(obj_type, obj)
obj_class.delete(obj_id)
else:
# unknown operation
self.logger.log_error('Unknown operation %s' %
oper_info['oper'])
return
if obj is None:
self.logger.log_error('Error while accessing %s uuid %s' % (
obj_type, obj_id))
return
except Exception:
cgitb_error_log(self)
for sas_id in dependency_tracker.resources.get('service_appliance_set', []):
sas_obj = ServiceApplianceSetSM.get(sas_id)
if sas_obj is not None:
sas_obj.add()
for lb_pool_id in dependency_tracker.resources.get('loadbalancer_pool', []):
lb_pool = LoadbalancerPoolSM.get(lb_pool_id)
if lb_pool is not None:
lb_pool.add()
for si_id in dependency_tracker.resources.get('service_instance', []):
si = ServiceInstanceSM.get(si_id)
if si:
si.state = 'launch'
self._create_service_instance(si)
else:
self.logger.log_info("Deleting SI %s" % si_id)
for vm_id in dependency_tracker.resources.get(
'virtual_machine', []):
vm = VirtualMachineSM.get(vm_id)
self._delete_service_instance(vm)
self.logger.log_info("SI %s deletion succeed" % si_id)
for vn_id in dependency_tracker.resources.get('virtual_network', []):
vn = VirtualNetworkSM.get(vn_id)
if vn:
for si_id in ServiceInstanceSM:
si = ServiceInstanceSM.get(si_id)
intf_list = []
if si.params:
intf_list = si.params.get('interface_list', [])
for intf in intf_list:
if (':').join(vn.fq_name) in intf.values():
self._create_service_instance(si)
for vmi_id in dependency_tracker.resources.get('virtual_machine_interface', []):
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if vmi:
# If it's a VIP port and security_group changed,
# we need to update the corresponding SI VM ports
self.update_sg_si_vmi(vmi)
for vm_id in dependency_tracker.resources.get(
'virtual_machine', []):
vm = VirtualMachineSM.get(vm_id)
self.port_delete_or_si_link(vm, vmi)
else:
for irt_id in dependency_tracker.resources.get(
'interface_route_table', []):
self._delete_interface_route_table(irt_id)
for fip_id in dependency_tracker.resources.get('floating_ip', []):
fip = FloatingIpSM.get(fip_id)
if fip:
for vmi_id in fip.virtual_machine_interfaces:
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if vmi and vmi.virtual_ip:
self.netns_manager.add_fip_to_vip_vmi(vmi, fip)
def post_init(self, vnc_lib, args=None):
# api server
self._vnc_lib = vnc_lib
self._nova_client = importutils.import_object(
'svc_monitor.nova_client.ServiceMonitorNovaClient',
self._args, self.logger, SvcMonitor._kscertbundle)
# load vrouter scheduler
self.vrouter_scheduler = importutils.import_object(
self._args.si_netns_scheduler_driver,
self._vnc_lib, self._nova_client,
self._disc, self.logger, self._args)
# load virtual machine instance manager
self.vm_manager = importutils.import_object(
'svc_monitor.virtual_machine_manager.VirtualMachineManager',
self._vnc_lib, self._cassandra, self.logger,
self.vrouter_scheduler, self._nova_client, self._args)
# load network namespace instance manager
self.netns_manager = importutils.import_object(
'svc_monitor.instance_manager.NetworkNamespaceManager',
self._vnc_lib, self._cassandra, self.logger,
self.vrouter_scheduler, self._nova_client, self._args)
# load a vrouter instance manager
self.vrouter_manager = importutils.import_object(
'svc_monitor.vrouter_instance_manager.VRouterInstanceManager',
self._vnc_lib, self._cassandra, self.logger,
self.vrouter_scheduler, self._nova_client, self._args)
# load a loadbalancer agent
self.loadbalancer_agent = LoadbalancerAgent(self, self._vnc_lib, self._args)
# Read the cassandra and populate the entry in ServiceMonitor DB
self.sync_sm()
# create default analyzer template
self._create_default_template('analyzer-template', 'analyzer',
flavor='m1.medium',
image_name='analyzer')
# create default NAT template
self._create_default_template('nat-template', 'firewall',
svc_mode='in-network-nat',
image_name='analyzer',
flavor='m1.medium')
# create default netns SNAT template
self._create_default_template('netns-snat-template', 'source-nat',
svc_mode='in-network-nat',
hypervisor_type='network-namespace',
scaling=True)
# create default loadbalancer template
self._create_default_template('haproxy-loadbalancer-template', 'loadbalancer',
svc_mode='in-network-nat',
hypervisor_type='network-namespace',
scaling=True)
self._create_default_template('docker-template', 'firewall',
svc_mode='transparent',
image_name="ubuntu",
hypervisor_type='vrouter-instance',
vrouter_instance_type='docker',
instance_data={
"command": "/bin/bash"
})
# upgrade handling
self.upgrade()
# check services
self.vrouter_scheduler.vrouters_running()
self.launch_services()
self._db_resync_done.set()
def upgrade(self):
for si in ServiceInstanceSM.values():
st = ServiceTemplateSM.get(si.service_template)
if not st:
continue
vm_id_list = list(si.virtual_machines)
for vm_id in vm_id_list:
vm = VirtualMachineSM.get(vm_id)
if vm.virtualization_type:
continue
try:
nova_vm = self._nova_client.oper('servers', 'get',
si.proj_name, id=vm_id)
except nc_exc.NotFound:
nova_vm = None
if nova_vm:
vm_name = nova_vm.name
vm.proj_fq_name = nova_vm.name.split('__')[0:2]
else:
vm_name = vm.name
if not vm_name.split('__')[-1].isdigit():
continue
vm.virtualization_type = st.virtualization_type
self._delete_service_instance(vm)
def launch_services(self):
for si in ServiceInstanceSM.values():
self._create_service_instance(si)
def sync_sm(self):
vn_set = set()
vmi_set = set()
iip_set = set()
ok, lb_pool_list = self._cassandra._cassandra_loadbalancer_pool_list()
if not ok:
pass
else:
for fq_name, uuid in lb_pool_list:
try:
lb_pool = LoadbalancerPoolSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for lb pool %s" % uuid)
continue
if lb_pool.virtual_machine_interface:
vmi_set.add(lb_pool.virtual_machine_interface)
ok, lb_pool_member_list = self._cassandra._cassandra_loadbalancer_member_list()
if not ok:
pass
else:
for fq_name, uuid in lb_pool_member_list:
try:
lb_pool_member = LoadbalancerMemberSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for lb member %s" % uuid)
continue
ok, lb_vip_list = self._cassandra._cassandra_virtual_ip_list()
if not ok:
pass
else:
for fq_name, uuid in lb_vip_list:
try:
virtual_ip = VirtualIpSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for lb vip %s" % uuid)
continue
if virtual_ip.virtual_machine_interface:
vmi_set.add(virtual_ip.virtual_machine_interface)
ok, lb_hm_list = self._cassandra._cassandra_loadbalancer_healthmonitor_list()
if not ok:
pass
else:
for fq_name, uuid in lb_hm_list:
try:
lb_hm = HealthMonitorSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for lb healthmonitor %s" % uuid)
continue
ok, si_list = self._cassandra._cassandra_service_instance_list()
if not ok:
pass
else:
for fq_name, uuid in si_list:
try:
si = ServiceInstanceSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for service instance %s" % uuid)
continue
ok, st_list = self._cassandra._cassandra_service_template_list()
if not ok:
pass
else:
for fq_name, uuid in st_list:
try:
st = ServiceTemplateSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for service template %s" % uuid)
continue
ok, vn_list = self._cassandra._cassandra_virtual_network_list()
if not ok:
pass
else:
for fq_name, uuid in vn_list:
try:
vn = VirtualNetworkSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for virtual network %s" % uuid)
continue
vmi_set |= vn.virtual_machine_interfaces
ok, ifd_list = self._cassandra._cassandra_physical_interface_list()
if not ok:
pass
else:
for fq_name, uuid in ifd_list:
try:
ifd = PhysicalInterfaceSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for physical interface %s" % uuid)
continue
ok, ifl_list = self._cassandra._cassandra_logical_interface_list()
if not ok:
pass
else:
for fq_name, uuid in ifl_list:
try:
ifl = LogicalInterfaceSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for logical interface %s" % uuid)
continue
if ifl.virtual_machine_interface:
vmi_set.add(ifl.virtual_machine_interface)
ok, pr_list = self._cassandra._cassandra_physical_router_list()
if not ok:
pass
else:
for fq_name, uuid in pr_list:
try:
pr = PhysicalRouterSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for physical router %s" % uuid)
continue
ok, vr_list = self._cassandra._cassandra_virtual_router_list()
if not ok:
pass
else:
for fq_name, uuid in vr_list:
try:
vr = VirtualRouterSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for virtual router %s" % uuid)
continue
ok, vmi_list = self._cassandra._cassandra_virtual_machine_interface_list()
if not ok:
pass
else:
for fq_name, uuid in vmi_list:
try:
vmi = VirtualMachineInterfaceSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for virtual machine interface %s" % uuid)
continue
if vmi.instance_ip:
iip_set.add(vmi.instance_ip)
ok, irt_list = self._cassandra._cassandra_interface_route_table_list()
if not ok:
pass
else:
for fq_name, uuid in irt_list:
try:
irt = InterfaceRouteTableSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for interface route table %s" % uuid)
continue
ok, project_list = self._cassandra._cassandra_project_list()
if not ok:
pass
else:
for fq_name, uuid in project_list:
try:
prj = ProjectSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for project %s" % uuid)
continue
ok, sas_list = self._cassandra._cassandra_service_appliance_set_list()
if not ok:
pass
else:
for fq_name, uuid in sas_list:
try:
sas = ServiceApplianceSetSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for service appliance set %s" % uuid)
continue
ok, sa_list = self._cassandra._cassandra_service_appliance_list()
if not ok:
pass
else:
for fq_name, uuid in sa_list:
try:
sa = ServiceApplianceSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for service appliance %s" % uuid)
continue
ok, domain_list = self._cassandra._cassandra_domain_list()
if not ok:
pass
else:
for fq_name, uuid in domain_list:
try:
DomainSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for domain %s" % uuid)
continue
ok, iip_list = self._cassandra._cassandra_instance_ip_list()
if not ok:
pass
else:
for fq_name, uuid in iip_list:
try:
InstanceIpSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for instance ip %s" % uuid)
continue
ok, fip_list = self._cassandra._cassandra_floating_ip_list()
if not ok:
pass
else:
for fq_name, uuid in fip_list:
try:
FloatingIpSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for floating ip %s" % uuid)
continue
ok, sg_list = self._cassandra._cassandra_security_group_list()
if not ok:
pass
else:
for fq_name, uuid in sg_list:
try:
SecurityGroupSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for security group %s" % uuid)
continue
ok, vm_list = self._cassandra._cassandra_virtual_machine_list()
if not ok:
pass
else:
for fq_name, uuid in vm_list:
try:
vm = VirtualMachineSM.locate(uuid)
except NoIdError:
self.logger.log_error("db entry missing for virtual machine %s" % uuid)
continue
except Exception:
self.logger.log_error("db entry corrupt for virtual machine %s" % uuid)
continue
if vm.service_instance:
continue
for vmi_id in vm.virtual_machine_interfaces:
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if not vmi:
continue
self.port_delete_or_si_link(vm, vmi)
# Load the loadbalancer driver
self.loadbalancer_agent.load_drivers()
for lb_pool in LoadbalancerPoolSM.values():
lb_pool.add()
# Audit the lb pools
self.loadbalancer_agent.audit_lb_pools()
# end sync_sm
# create service template
def _create_default_template(self, st_name, svc_type, svc_mode=None,
hypervisor_type='virtual-machine',
image_name=None, flavor=None, scaling=False,
vrouter_instance_type=None,
instance_data=None):
domain_name = 'default-domain'
domain_fq_name = [domain_name]
st_fq_name = [domain_name, st_name]
self.logger.log_info("Creating %s %s hypervisor %s" %
(domain_name, st_name, hypervisor_type))
domain_obj = None
for domain in DomainSM.values():
if domain.fq_name == domain_fq_name:
domain_obj = Domain()
domain_obj.uuid = domain.uuid
domain_obj.fq_name = domain_fq_name
break
if not domain_obj:
self.logger.log_error("%s domain not found" % (domain_name))
return
for st in ServiceTemplateSM.values():
if st.fq_name == st_fq_name:
self.logger.log_info("%s exists uuid %s" %
(st.name, str(st.uuid)))
return
svc_properties = ServiceTemplateType()
svc_properties.set_service_type(svc_type)
svc_properties.set_service_mode(svc_mode)
svc_properties.set_service_virtualization_type(hypervisor_type)
svc_properties.set_image_name(image_name)
svc_properties.set_flavor(flavor)
svc_properties.set_ordered_interfaces(True)
svc_properties.set_service_scaling(scaling)
# set interface list
if svc_type == 'analyzer':
if_list = [['left', False]]
elif hypervisor_type == 'network-namespace':
if_list = [['right', True], ['left', True]]
else:
if_list = [
['management', False], ['left', False], ['right', False]]
for itf in if_list:
if_type = ServiceTemplateInterfaceType(shared_ip=itf[1])
if_type.set_service_interface_type(itf[0])
svc_properties.add_interface_type(if_type)
if vrouter_instance_type is not None:
svc_properties.set_vrouter_instance_type(vrouter_instance_type)
if instance_data is not None:
svc_properties.set_instance_data(
json.dumps(instance_data, separators=(',', ':')))
st_obj = ServiceTemplate(name=st_name, domain_obj=domain)
st_obj.set_service_template_properties(svc_properties)
try:
st_uuid = self._vnc_lib.service_template_create(st_obj)
except Exception as e:
self.logger.log_error("%s create failed with error %s" %
(st_name, str(e)))
return
# Create the service template in local db
ServiceTemplateSM.locate(st_uuid)
self.logger.log_info("%s created with uuid %s" %
(st_name, str(st_uuid)))
#_create_default_analyzer_template
def port_delete_or_si_link(self, vm, vmi):
if (vmi.service_instance and vmi.virtual_machine == None):
self.vm_manager.cleanup_svc_vm_ports([vmi.uuid])
return
if not vm or vm.service_instance:
return
if not vmi.if_type:
return
si_fq_name = vmi.name.split('__')[0:3]
index = int(vmi.name.split('__')[3]) - 1
for si in ServiceInstanceSM.values():
if si.fq_name != si_fq_name:
continue
st = ServiceTemplateSM.get(si.service_template)
self.vm_manager.link_si_to_vm(si, st, index, vm.uuid)
return
def _create_service_instance(self, si):
if si.state == 'active':
return
st = ServiceTemplateSM.get(si.service_template)
if not st:
self.logger.log_error("template not found for %s" %
((':').join(si.fq_name)))
return
self.logger.log_info("Creating SI %s (%s)" %
((':').join(si.fq_name), st.virtualization_type))
try:
if st.virtualization_type == 'virtual-machine':
self.vm_manager.create_service(st, si)
elif st.virtualization_type == 'network-namespace':
self.netns_manager.create_service(st, si)
elif st.virtualization_type == 'vrouter-instance':
self.vrouter_manager.create_service(st, si)
else:
self.logger.log_error("Unknown virt type: %s" %
st.virtualization_type)
except Exception:
cgitb_error_log(self)
si.launch_count += 1
self.logger.log_info("SI %s creation success" % (':').join(si.fq_name))
def _delete_service_instance(self, vm):
self.logger.log_info("Deleting VM %s %s" %
((':').join(vm.fq_name), vm.uuid))
try:
if vm.virtualization_type == svc_info.get_vm_instance_type():
self.vm_manager.delete_service(vm)
elif vm.virtualization_type == svc_info.get_netns_instance_type():
self.netns_manager.delete_service(vm)
elif vm.virtualization_type == 'vrouter-instance':
self.vrouter_manager.delete_service(vm)
except Exception:
cgitb_error_log(self)
# generate UVE
si_fq_name = vm.display_name.split('__')[:-2]
si_fq_str = (':').join(si_fq_name)
self.logger.uve_svc_instance(si_fq_str, status='DELETE',
vms=[{'uuid': vm.uuid}])
return True
def _relaunch_service_instance(self, si):
si.state = 'relaunch'
self._create_service_instance(si)
def _check_service_running(self, si):
st = ServiceTemplateSM.get(si.service_template)
if st.virtualization_type == 'virtual-machine':
status = self.vm_manager.check_service(si)
elif st.virtualization_type == 'network-namespace':
status = self.netns_manager.check_service(si)
elif st.virtualization_type == 'vrouter-instance':
status = self.vrouter_manager.check_service(si)
return status
def _delete_interface_route_table(self, irt_uuid):
try:
self._vnc_lib.interface_route_table_delete(id=irt_uuid)
InterfaceRouteTableSM.delete(irt_uuid)
except (NoIdError, RefsExistError):
return
def _delete_shared_vn(self, vn_uuid):
try:
self.logger.log_info("Deleting vn %s" % (vn_uuid))
self._vnc_lib.virtual_network_delete(id=vn_uuid)
VirtualNetworkSM.delete(vn_uuid)
except (NoIdError, RefsExistError):
pass
@staticmethod
def reset():
for cls in DBBase._OBJ_TYPE_MAP.values():
cls.reset()
def update_sg_si_vmi(self, vmi_obj):
try:
vip_vmi_cfg = self._vnc_lib.virtual_machine_interface_read(id=vmi_obj.uuid)
instance_ip = InstanceIpSM.get(vmi_obj.instance_ip)
for vmi_uuid in instance_ip.virtual_machine_interfaces:
if vmi_uuid == vmi_obj.uuid:
continue
else:
vmi_sm = VirtualMachineInterfaceSM.get(vmi_uuid)
vmi_cfg = self._vnc_lib.virtual_machine_interface_read(id=vmi_uuid)
if str(vmi_cfg.security_group_refs) == str(vip_vmi_cfg.security_group_refs):
continue
# Delete old security group refs
for sec_group in vmi_cfg.security_group_refs:
self._vnc_lib.ref_update('virtual_machine_interface', vmi_uuid,
'security_group', sec_group['uuid'], None, 'DELETE')
# Create new security group refs
for sec_group in vip_vmi_cfg.security_group_refs:
self._vnc_lib.ref_update('virtual_machine_interface', vmi_uuid,
'security_group', sec_group['uuid'], None, 'ADD')
vmi_sm.update()
except Exception as e:
self.logger.log_error('Error %s while updating sgs for SI VMIs' % str(e))
def skip_check_service(si):
# wait for first launch
if not si.launch_count:
return True
# back off going on
if si.back_off > 0:
si.back_off -= 1
return True
# back off done
if si.back_off == 0:
si.back_off = -1
return False
# set back off
if not si.launch_count % 10:
si.back_off = 10
return True
return False
def timer_callback(monitor):
# delete vms without si
vm_delete_list = []
for vm in VirtualMachineSM.values():
si = ServiceInstanceSM.get(vm.service_instance)
if not si and vm.virtualization_type:
vm_delete_list.append(vm)
for vm in vm_delete_list:
monitor._delete_service_instance(vm)
# delete vmis with si but no vms
vmi_delete_list = []
for vmi in VirtualMachineInterfaceSM.values():
si = ServiceInstanceSM.get(vmi.service_instance)
if si and not vmi.virtual_machine:
vmi_delete_list.append(vmi.uuid)
if len(vmi_delete_list):
monitor.vm_manager.cleanup_svc_vm_ports(vmi_delete_list)
monitor.vrouter_scheduler.vrouters_running()
# check status of service
si_list = list(ServiceInstanceSM.values())
for si in si_list:
if skip_check_service(si):
continue
if not monitor._check_service_running(si):
monitor._relaunch_service_instance(si)
if si.max_instances != len(si.virtual_machines):
monitor._relaunch_service_instance(si)
# check vns to be deleted
for project in ProjectSM.values():
if project.service_instances:
continue
vn_id_list = list(project.virtual_networks)
for vn_id in vn_id_list:
vn = VirtualNetworkSM.get(vn_id)
if not vn or vn.virtual_machine_interfaces:
continue
if vn.name in svc_info.get_shared_vn_list():
monitor._delete_shared_vn(vn.uuid)
elif vn.name.startswith(svc_info.get_snat_left_vn_prefix()):
monitor._delete_shared_vn(vn.uuid)
def launch_timer(monitor):
if not monitor._args.check_service_interval.isdigit():
monitor.logger.log_emergency("set seconds for check_service_interval "
"in contrail-svc-monitor.conf. example: check_service_interval=60")
sys.exit()
monitor.logger.log_notice("check_service_interval set to %s seconds" %
monitor._args.check_service_interval)
while True:
gevent.sleep(int(monitor._args.check_service_interval))
try:
timer_callback(monitor)
except Exception:
cgitb_error_log(monitor)
def cgitb_error_log(monitor):
string_buf = cStringIO.StringIO()
cgitb_hook(file=string_buf, format="text")
monitor.logger.log(string_buf.getvalue(), level=SandeshLevel.SYS_ERR)
def parse_args(args_str):
'''
Eg. python svc_monitor.py --ifmap_server_ip 192.168.1.17
--ifmap_server_port 8443
--ifmap_username test
--ifmap_password test
--rabbit_server localhost
--rabbit_port 5672
--rabbit_user guest
--rabbit_password guest
--cassandra_server_list 10.1.2.3:9160
--api_server_ip 10.1.2.3
--api_server_port 8082
--api_server_use_ssl False
--zk_server_ip 10.1.2.3
--zk_server_port 2181
--collectors 127.0.0.1:8086
--disc_server_ip 127.0.0.1
--disc_server_port 5998
--http_server_port 8090
--log_local
--log_level SYS_DEBUG
--log_category test
--log_file <stdout>
--trace_file /var/log/contrail/svc-monitor.err
--use_syslog
--syslog_facility LOG_USER
--cluster_id <testbed-name>
--check_service_interval 60
[--region_name <name>]
[--reset_config]
'''
# Source any specified config/ini file
# Turn off help, so we show all options in response to -h
conf_parser = argparse.ArgumentParser(add_help=False)
conf_parser.add_argument("-c", "--conf_file", action='append',
help="Specify config file", metavar="FILE")
args, remaining_argv = conf_parser.parse_known_args(args_str.split())
defaults = {
'rabbit_server': 'localhost',