/
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 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.utils import cgitb_hook
from config_db import *
from pysandesh.sandesh_base import Sandesh, SandeshSystem
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 agent_manager import AgentManager
from db import ServiceMonitorDB
from logger import ServiceMonitorLogger
from rabbit import RabbitConnection
from loadbalancer_agent import LoadbalancerAgent
from port_tuple import PortTupleAgent
from snat_agent import SNATAgent
from novaclient import exceptions as nc_exc
# zookeeper client connection
_zookeeper_client = None
class SvcMonitor(object):
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.warning("Failed to open trace file %s" %
self._err_file)
# init cassandra
self._cassandra = ServiceMonitorDB(self._args, self.logger)
DBBaseSM.init(self, self.logger, self._cassandra)
# init rabbit connection
self.rabbit = RabbitConnection(self.logger, args)
self.rabbit._connect_rabbit()
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)
# agent manager
self._agent_manager = AgentManager()
# 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._agent_manager,
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._agent_manager,
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._agent_manager, self._args)
# load PNF instance manager
self.ps_manager = importutils.import_object(
'svc_monitor.physical_service_manager.PhysicalServiceManager',
self._vnc_lib, self._cassandra, self.logger,
self.vrouter_scheduler, self._nova_client,
self._agent_manager, self._args)
# load a loadbalancer agent
self.loadbalancer_agent = LoadbalancerAgent(
self, self._vnc_lib,
self._cassandra, self._args)
self._agent_manager.register_agent(self.loadbalancer_agent)
# load a snat agent
self.snat_agent = SNATAgent(self, self._vnc_lib,
self._cassandra, self._args)
self._agent_manager.register_agent(self.snat_agent)
# load port tuple agent
self.port_tuple_agent = PortTupleAgent(self, self._vnc_lib,
self._cassandra, self._args, self.logger)
self._agent_manager.register_agent(self.port_tuple_agent)
# 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.rabbit._db_resync_done.set()
def _upgrade_instance_ip(self, vm):
for vmi_id in vm.virtual_machine_interfaces:
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if not vmi:
continue
for iip_id in vmi.instance_ips:
iip = InstanceIpSM.get(iip_id)
if not iip or iip.service_instance_ip:
continue
iip_obj = InstanceIp()
iip_obj.name = iip.name
iip_obj.uuid = iip.uuid
iip_obj.set_service_instance_ip(True)
try:
self._vnc_lib.instance_ip_update(iip_obj)
except NoIdError:
self.logger.error("upgrade instance ip to service ip failed %s" % (iip.name))
continue
def _upgrade_auto_policy(self, si, st):
if st.name != 'netns-snat-template':
return
if not si.params['auto_policy']:
return
si_obj = ServiceInstance()
si_obj.uuid = si.uuid
si_obj.fq_name = si.fq_name
si_props = ServiceInstanceType(**si.params)
si_props.set_auto_policy(False)
si_obj.set_service_instance_properties(si_props)
try:
self._vnc_lib.service_instance_update(si_obj)
self.logger.notice("snat policy upgraded for %s" % (si.name))
except NoIdError:
self.logger.error("snat policy upgrade failed for %s" % (si.name))
return
def upgrade(self):
for si in ServiceInstanceSM.values():
st = ServiceTemplateSM.get(si.service_template)
if not st:
continue
self._upgrade_auto_policy(si, st)
vm_id_list = list(si.virtual_machines)
for vm_id in vm_id_list:
vm = VirtualMachineSM.get(vm_id)
self._upgrade_instance_ip(vm)
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):
# Read and Sync all DBase
for cls in DBBaseSM.get_obj_type_map().values():
for obj in cls.list_obj():
cls.locate(obj['uuid'], obj)
# Link SI and VM
for vm in VirtualMachineSM.values():
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)
# invoke port tuple handling
try:
self.port_tuple_agent.update_port_tuples()
except Exception:
cgitb_error_log(self)
# Load the loadbalancer driver
self.loadbalancer_agent.load_drivers()
# Invoke the loadbalancers
for lb in LoadbalancerSM.values():
lb.add()
# Invoke the loadbalancer listeners
for lb_listener in LoadbalancerListenerSM.values():
lb_listener.add()
# Invoke the loadbalancer pools
for lb_pool in LoadbalancerPoolSM.values():
lb_pool.add()
# Audit the lb pools
self.loadbalancer_agent.audit_lb_pools()
# Audit the SNAT instances
self.snat_agent.audit_snat_instances()
# 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.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.error("%s domain not found" % (domain_name))
return
for st in ServiceTemplateSM.values():
if st.fq_name == st_fq_name:
self.logger.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.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.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.port_tuple:
return
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
if len(vmi.name.split('__')) < 4:
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.error("template not found for %s" %
((':').join(si.fq_name)))
return
if st.params and st.params.get('version', 1) == 2:
return
self.logger.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)
elif st.virtualization_type == 'physical-device':
self.ps_manager.create_service(st, si)
else:
self.logger.error("Unknown virt type: %s" %
st.virtualization_type)
except Exception:
cgitb_error_log(self)
si.launch_count += 1
self.logger.info("SI %s creation success" % (':').join(si.fq_name))
def delete_service_instance(self, vm):
self.logger.info("Deleting VM %s %s for SI %s" %
((':').join(vm.fq_name), vm.uuid, vm.service_id))
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)
elif vm.virtualization_type == 'physical-device':
self.ps_manager.delete_service(vm)
self.logger.info("Deleted VM %s %s for SI %s" %
((':').join(vm.fq_name), vm.uuid, vm.service_id))
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.params and st.params.get('version', 1) == 2:
return
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)
elif st.virtualization_type == 'physical-device':
status = self.ps_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.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 DBBaseSM.get_obj_type_map().values():
cls.reset()
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 orphan shared iips
iip_delete_list = []
for iip in InstanceIpSM.values():
if not iip.instance_ip_secondary or not iip.service_instance_ip:
continue
if iip.service_instance:
continue
if len(iip.virtual_machine_interfaces):
continue
iip_delete_list.append(iip)
for iip in iip_delete_list:
monitor.port_tuple_agent.delete_shared_iip(iip.uuid)
# 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)
# check vrouter agent status
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)
def launch_timer(monitor):
if not monitor._args.check_service_interval.isdigit():
monitor.logger.emergency("set seconds for check_service_interval "
"in contrail-svc-monitor.conf. \
example: check_service_interval=60")
sys.exit()
monitor.logger.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',
'rabbit_port': '5672',
'rabbit_user': 'guest',
'rabbit_password': 'guest',
'rabbit_vhost': None,
'rabbit_ha_mode': False,
'ifmap_server_ip': '127.0.0.1',
'ifmap_server_port': '8443',
'ifmap_username': 'test2',
'ifmap_password': 'test2',
'cassandra_server_list': '127.0.0.1:9160',
'api_server_ip': '127.0.0.1',
'api_server_port': '8082',
'api_server_use_ssl': False,
'zk_server_ip': '127.0.0.1',
'zk_server_port': '2181',
'collectors': None,
'disc_server_ip': None,
'disc_server_port': None,
'http_server_port': '8088',
'log_local': False,
'log_level': SandeshLevel.SYS_DEBUG,
'log_category': '',
'log_file': Sandesh._DEFAULT_LOG_FILE,
'trace_file': '/var/log/contrail/svc-monitor.err',
'use_syslog': False,
'syslog_facility': Sandesh._DEFAULT_SYSLOG_FACILITY,
'region_name': None,
'cluster_id': '',
'logging_conf': '',
'logger_class': None,
'sandesh_send_rate_limit': SandeshSystem.get_sandesh_send_rate_limit(),
'check_service_interval': '60',
'nova_endpoint_type': 'internalURL',
'rabbit_use_ssl': False,
'kombu_ssl_version': '',
'kombu_ssl_keyfile': '',
'kombu_ssl_certfile': '',
'kombu_ssl_ca_certs': '',
}
secopts = {
'use_certs': False,
'keyfile': '',
'certfile': '',
'ca_certs': '',
'ifmap_certauth_port': "8444",
}
ksopts = {
'auth_host': '127.0.0.1',
'auth_protocol': 'http',
'auth_port': '5000',
'auth_version': 'v2.0',
'auth_insecure': True,
'admin_user': 'user1',
'admin_password': 'password1',
'admin_tenant_name': 'admin'
}
schedops = {
'si_netns_scheduler_driver':
'svc_monitor.scheduler.vrouter_scheduler.RandomScheduler',
'analytics_server_ip': '127.0.0.1',
'analytics_server_port': '8081',
'availability_zone': None,
'netns_availability_zone': None,
}
cassandraopts = {
'cassandra_user': None,
'cassandra_password': None,
}
config = ConfigParser.SafeConfigParser()
if args.conf_file:
config.read(args.conf_file)
defaults.update(dict(config.items("DEFAULTS")))
if ('SECURITY' in config.sections() and
'use_certs' in config.options('SECURITY')):
if config.getboolean('SECURITY', 'use_certs'):
secopts.update(dict(config.items("SECURITY")))
if 'KEYSTONE' in config.sections():
ksopts.update(dict(config.items("KEYSTONE")))
if 'SCHEDULER' in config.sections():
schedops.update(dict(config.items("SCHEDULER")))
if 'CASSANDRA' in config.sections():
cassandraopts.update(dict(config.items('CASSANDRA')))
# Override with CLI options
# Don't surpress add_help here so it will handle -h
parser = argparse.ArgumentParser(
# Inherit options from config_parser
parents=[conf_parser],
# script description with -h/--help
description=__doc__,
# Don't mess with format of description
formatter_class=argparse.RawDescriptionHelpFormatter,
)
defaults.update(secopts)
defaults.update(ksopts)
defaults.update(schedops)
defaults.update(cassandraopts)
parser.set_defaults(**defaults)
parser.add_argument(
"--ifmap_server_ip", help="IP address of ifmap server")
parser.add_argument("--ifmap_server_port", help="Port of ifmap server")
parser.add_argument("--ifmap_username",
help="Username known to ifmap server")
parser.add_argument("--ifmap_password",
help="Password known to ifmap server")
parser.add_argument(
"--cassandra_server_list",
help="List of cassandra servers in IP Address:Port format",
nargs='+')
parser.add_argument(
"--reset_config", action="store_true",
help="Warning! Destroy previous configuration and start clean")
parser.add_argument("--api_server_ip",
help="IP address of API server")
parser.add_argument("--api_server_port",
help="Port of API server")
parser.add_argument("--api_server_use_ssl",
help="Use SSL to connect with API server")
parser.add_argument("--collectors",
help="List of VNC collectors in ip:port format",
nargs="+")
parser.add_argument("--disc_server_ip",
help="IP address of the discovery server")
parser.add_argument("--disc_server_port",
help="Port of the discovery server")
parser.add_argument("--http_server_port",
help="Port of local HTTP server")
parser.add_argument(
"--log_local", action="store_true",
help="Enable local logging of sandesh messages")
parser.add_argument(
"--log_level",
help="Severity level for local logging of sandesh messages")
parser.add_argument(
"--log_category",
help="Category filter for local logging of sandesh messages")
parser.add_argument("--log_file",
help="Filename for the logs to be written to")
parser.add_argument("--trace_file", help="Filename for the error "
"backtraces to be written to")
parser.add_argument("--use_syslog", action="store_true",
help="Use syslog for logging")
parser.add_argument("--syslog_facility",
help="Syslog facility to receive log lines")
parser.add_argument("--admin_user",
help="Name of keystone admin user")
parser.add_argument("--admin_password",
help="Password of keystone admin user")
parser.add_argument("--admin_tenant_name",
help="Tenant name for keystone admin user")
parser.add_argument("--region_name",
help="Region name for openstack API")
parser.add_argument("--cluster_id",
help="Used for database keyspace separation")
parser.add_argument(
"--logging_conf",
help=("Optional logging configuration file, default: None"))
parser.add_argument(
"--logger_class",
help=("Optional external logger class, default: None"))
parser.add_argument("--cassandra_user",
help="Cassandra user name")
parser.add_argument("--cassandra_password",
help="Cassandra password")
parser.add_argument("--sandesh_send_rate_limit", type=int,
help="Sandesh send rate limit in messages/sec.")
parser.add_argument("--check_service_interval",
help="Check service interval")
args = parser.parse_args(remaining_argv)
args.config_sections = config
if type(args.cassandra_server_list) is str:
args.cassandra_server_list = args.cassandra_server_list.split()
if type(args.collectors) is str:
args.collectors = args.collectors.split()
if args.region_name and args.region_name.lower() == 'none':
args.region_name = None
if args.availability_zone and args.availability_zone.lower() == 'none':
args.availability_zone = None
if args.netns_availability_zone and \
args.netns_availability_zone.lower() == 'none':
args.netns_availability_zone = None
return args
def run_svc_monitor(args=None):
monitor = SvcMonitor(args)
monitor._zookeeper_client = _zookeeper_client
# Retry till API server is up
connected = False
monitor.logger.api_conn_status_update(ConnectionStatus.INIT)
while not connected:
try:
vnc_api = VncApi(
args.admin_user, args.admin_password, args.admin_tenant_name,
args.api_server_ip, args.api_server_port,
api_server_use_ssl=args.api_server_use_ssl)
connected = True
monitor.logger.api_conn_status_update(ConnectionStatus.UP)
except requests.exceptions.ConnectionError as e:
monitor.logger.api_conn_status_update(
ConnectionStatus.DOWN, str(e))
time.sleep(3)
except ResourceExhaustionError: # haproxy throws 503
time.sleep(3)
monitor.post_init(vnc_api, args)
timer_task = gevent.spawn(launch_timer, monitor)
gevent.joinall([timer_task])
def main(args_str=None):
global _zookeeper_client
if not args_str:
args_str = ' '.join(sys.argv[1:])
args = parse_args(args_str)
if args.cluster_id:
client_pfx = args.cluster_id + '-'
zk_path_pfx = args.cluster_id + '/'
else:
client_pfx = ''
zk_path_pfx = ''
_zookeeper_client = ZookeeperClient(
client_pfx+"svc-monitor", args.zk_server_ip)
_zookeeper_client.master_election(zk_path_pfx+"/svc-monitor", os.getpid(),
run_svc_monitor, args)
# end main
def server_main():
cgitb.enable(format='text')
main()
# end server_main
if __name__ == '__main__':
server_main()