def __init__(self, svc_mon, vnc_lib, config_section):
# Loadbalancer
self._vnc_lib = vnc_lib
self._svc_mon = svc_mon
self._pool_driver = {}
self._args = config_section
self._loadbalancer_driver = {}
# create default service appliance set
self._create_default_service_appliance_set("opencontrail",
"svc_monitor.services.loadbalancer.drivers.ha_proxy.driver.OpencontrailLoadbalancerDriver")
self._default_provider = "opencontrail"
self.lb_db = LBDB(config_section)
self.lb_db.add_logger(self._svc_mon.logger)
self.lb_db.init_database()
def __init__(self, svc_mon, vnc_lib, config_section):
# Loadbalancer
self._vnc_lib = vnc_lib
self._svc_mon = svc_mon
self._pool_driver = {}
self._args = config_section
self._loadbalancer_driver = {}
# create default service appliance set
self._create_default_service_appliance_set("opencontrail",
"svc_monitor.services.loadbalancer.drivers.ha_proxy.driver.OpencontrailLoadbalancerDriver")
self._default_provider = "opencontrail"
self.lb_db = LBDB(config_section)
self.lb_db.add_logger(self._svc_mon.logger)
self.lb_db.init_database()
class LoadbalancerAgent(object):
def __init__(self, svc_mon, vnc_lib, config_section):
# Loadbalancer
self._vnc_lib = vnc_lib
self._svc_mon = svc_mon
self._pool_driver = {}
self._args = config_section
self._loadbalancer_driver = {}
# create default service appliance set
self._create_default_service_appliance_set("opencontrail",
"svc_monitor.services.loadbalancer.drivers.ha_proxy.driver.OpencontrailLoadbalancerDriver")
self._default_provider = "opencontrail"
self.lb_db = LBDB(config_section)
self.lb_db.add_logger(self._svc_mon.logger)
self.lb_db.init_database()
# end __init__
# create default loadbalancer driver
def _create_default_service_appliance_set(self, sa_set_name, driver_name):
default_gsc_name = "default-global-system-config"
default_gsc_fq_name = [default_gsc_name]
sa_set_fq_name = [default_gsc_name, sa_set_name]
try:
sa_set_obj = self._vnc_lib.service_appliance_set_read(fq_name=sa_set_fq_name)
sa_set_uuid = sa_set_obj.uuid
return
except vnc_exc.NoIdError:
gsc_obj = self._vnc_lib.global_system_config_read(fq_name=default_gsc_fq_name)
sa_set_obj = ServiceApplianceSet(sa_set_name, gsc_obj)
sa_set_obj.set_service_appliance_driver(driver_name)
sa_set_uuid = self._vnc_lib.service_appliance_set_create(sa_set_obj)
def load_drivers(self):
for sas in ServiceApplianceSetSM.values():
if sas.driver:
config = self._args.config_sections
config.add_section(sas.name)
for kvp in sas.kvpairs or []:
config.set(sas.name, kvp['key'], kvp['value'])
if sas.ha_mode:
config.set(sas.name, 'ha_mode', str(sas.ha_mode))
for sa in sas.service_appliances or []:
saobj = ServiceApplianceSM.get(sa)
config.set(sas.name, 'device_ip', saobj.ip_address)
config.set(sas.name, 'user',
saobj.user_credential['username'])
config.set(sas.name, 'password',
saobj.user_credential['password'])
self._loadbalancer_driver[sas.name] = \
importutils.import_object(sas.driver, sas.name,
self._svc_mon, self._vnc_lib, self.lb_db, self._args)
# end load_drivers
def audit_lb_pools(self):
for pool_id, config_data, driver_data in self.lb_db.pool_list():
if LoadbalancerPoolSM.get(pool_id):
continue
# Delete the pool from the driver
driver = self._get_driver_for_provider(config_data['provider'])
driver.delete_pool(config_data)
self.lb_db.pool_remove(pool_id)
def load_driver(self, sas):
if sas.name in self._loadbalancer_driver:
return
if sas.driver:
config = self._args.config_sections
config.add_section(sas.name)
for kvp in sas.kvpairs or []:
config.set(sas.name, kvp['key'], kvp['value'])
if sas.ha_mode:
config.set(sas.name, 'ha_mode', sas.ha_mode)
for sa in sas.service_appliances or []:
saobj = ServiceApplianceSet.get(sa)
config.set(sas.name, 'device_ip', saobj.ip_address)
config.set(sas.name, 'user', saobj.user_credential['username'])
config.set(sas.name, 'password',
saobj.user_credential['password'])
self._loadbalancer_driver[sas.name] = \
importutils.import_object(sas.driver, sas.name,
self._svc_mon, self._vnc_lib, self.lb_db, self._args)
# end load_driver
def unload_driver(self, sas):
if sas.name not in self._loadbalancer_driver:
return
del(self._loadbalancer_driver[sas.name])
# end unload_driver
def _get_driver_for_provider(self, provider_name):
return self._loadbalancer_driver[provider_name]
# end _get_driver_for_provider
def _get_driver_for_pool(self, pool_id, provider=None):
if not pool_id:
return self.drivers[self._default_provider]
if pool_id in self._pool_driver:
return self._pool_driver[pool_id]
if not provider:
pool = LoadbalancerPoolSM.get(pool_id)
provider = pool.provider
driver = self._get_driver_for_provider(provider)
self._pool_driver[pool_id] = driver
return driver
# end _get_driver_for_pool
# Loadbalancer
def loadbalancer_pool_add(self, pool):
p = self.loadbalancer_pool_get_reqdict(pool)
driver = self._get_driver_for_pool(p['id'], p['provider'])
try:
if not pool.last_sent:
driver.create_pool(p)
#elif p != pool.last_sent:
else:
driver.update_pool(pool.last_sent, p)
except Exception as ex:
pass
self.lb_db.pool_config_insert(p['id'], p)
return p
# end loadbalancer_pool_add
def loadbalancer_member_add(self, member):
m = self.loadbalancer_member_get_reqdict(member)
driver = self._get_driver_for_pool(m['pool_id'])
try:
if not member.last_sent:
driver.create_member(m)
elif m != member.last_sent:
driver.update_member(member.last_sent, m)
except Exception as ex:
pass
return m
# end loadbalancer_member_add
def virtual_ip_add(self, vip):
v = self.virtual_ip_get_reqdict(vip)
driver = self._get_driver_for_pool(v['pool_id'])
try:
if not vip.last_sent:
driver.create_vip(v)
elif v != vip.last_sent:
driver.update_vip(vip.last_sent, v)
except Exception as ex:
pass
return v
# end virtual_ip_add
def delete_virtual_ip(self, obj):
v = obj.last_sent
driver = self._get_driver_for_pool(v['pool_id'])
try:
driver.delete_vip(v)
except Exception as ex:
pass
# end delete_virtual_ip
def delete_loadbalancer_member(self, obj):
m = obj.last_sent
driver = self._get_driver_for_pool(m['pool_id'])
try:
driver.delete_member(m)
except Exception as ex:
pass
# end delete_loadbalancer_member
def delete_loadbalancer_pool(self, obj):
p = obj.last_sent
driver = self._get_driver_for_pool(p['id'])
try:
driver.delete_pool(p)
except Exception as ex:
pass
self.lb_db.pool_remove(p['id'])
# end delete_loadbalancer_pool
def update_hm(self, obj):
hm = self.hm_get_reqdict(obj)
current_pools = hm['pools'] or []
old_pools = []
if obj.last_sent:
old_pools = hm['pools'] or []
set_current_pools = set()
set_old_pools = set()
for i in current_pools:
set_current_pools.add(i['pool_id'])
for i in old_pools:
set_old_pools.add(i['pool_id'])
update_pools = set_current_pools & set_old_pools
delete_pools = set_old_pools - set_current_pools
add_pools = set_current_pools - set_old_pools
try:
for pool in add_pools:
driver = self._get_driver_for_pool(pool)
driver.create_pool_health_monitor(hm, pool)
for pool in delete_pools:
driver = self._get_driver_for_pool(pool)
driver.delete_pool_health_monitor(hm, pool)
for pool in update_pools:
driver = self._get_driver_for_pool(pool)
driver.update_health_monitor(obj.last_sent,
hm, pool)
except Exception as ex:
pass
# end update_hm
def _get_vip_pool_id(self, vip):
pool_refs = vip.loadbalancer_pool
if pool_refs is None:
return None
return pool_refs
# end _get_vip_pool_id
def _get_interface_params(self, vip, props):
port_id = vip.virtual_machine_interface
if port_id is None:
return None
if not props['address']:
vmi = VirtualMachineInterfaceSM.get(port_id)
ip_refs = vmi.instance_ip
if ip_refs:
iip = InstanceIpSM.get(ip_refs)
props['address'] = iip.address
return port_id
# end _get_interface_params
def virtual_ip_get_reqdict(self, vip):
props = vip.params
port_id = self._get_interface_params(vip, props)
res = {'id': vip.uuid,
'tenant_id': vip.parent_uuid.replace('-', ''),
'name': vip.display_name,
'description': self._get_object_description(vip),
'subnet_id': props['subnet_id'],
'address': props['address'],
'port_id': port_id,
'protocol_port': props['protocol_port'],
'protocol': props['protocol'],
'pool_id': self._get_vip_pool_id(vip),
'session_persistence': None,
'connection_limit': props['connection_limit'],
'admin_state_up': props['admin_state'],
'status': self._get_object_status(vip)}
if props['persistence_type']:
sp = {'type': props['persistence_type']}
if props['persistence_type'] == 'APP_COOKIE':
sp['cookie_name'] = props['persistence_cookie_name']
res['session_persistence'] = sp
return res;
# end virtual_ip_get_reqdict
_loadbalancer_health_type_mapping = {
'admin_state': 'admin_state_up',
'monitor_type': 'type',
'delay': 'delay',
'timeout': 'timeout',
'max_retries': 'max_retries',
'http_method': 'http_method',
'url_path': 'url_path',
'expected_codes': 'expected_codes'
}
def hm_get_reqdict(self, health_monitor):
res = {'id': health_monitor.uuid,
'tenant_id': health_monitor.parent_uuid.replace('-', ''),
'status': self._get_object_status(health_monitor)}
props = health_monitor.params
for key, mapping in self._loadbalancer_health_type_mapping.iteritems():
value = props[key]
if value is not None:
res[mapping] = value
pool_ids = []
pool_back_refs = health_monitor.loadbalancer_pools
for pool_back_ref in pool_back_refs or []:
pool_id = {}
pool_id['pool_id'] = pool_back_ref
pool_ids.append(pool_id)
res['pools'] = pool_ids
return res
# end hm_get_reqdict
_loadbalancer_member_type_mapping = {
'admin_state': 'admin_state_up',
'status': 'status',
'protocol_port': 'protocol_port',
'weight': 'weight',
'address': 'address',
}
def loadbalancer_member_get_reqdict(self, member):
res = {'id': member.uuid,
'pool_id': member.loadbalancer_pool,
'status': self._get_object_status(member)}
pool = LoadbalancerPoolSM.get(member.loadbalancer_pool)
res['tenant_id'] = pool.parent_uuid.replace('-', '')
props = member.params
for key, mapping in self._loadbalancer_member_type_mapping.iteritems():
value = props[key]
if value is not None:
res[mapping] = value
return res
# end loadbalancer_member_get_reqdict
_loadbalancer_pool_type_mapping = {
'admin_state': 'admin_state_up',
'protocol': 'protocol',
'loadbalancer_method': 'lb_method',
'subnet_id': 'subnet_id'
}
def _get_object_description(self, obj):
id_perms = obj.id_perms
if id_perms is None:
return None
return id_perms['description']
# end _get_object_description
def _get_object_status(self, obj):
id_perms = obj.id_perms
if id_perms and id_perms['enable']:
return "ACTIVE"
return "PENDING_DELETE"
# end _get_object_status
def loadbalancer_pool_get_reqdict(self, pool):
res = {
'id': pool.uuid,
'tenant_id': pool.parent_uuid.replace('-', ''),
'name': pool.display_name,
'description': self._get_object_description(pool),
'status': self._get_object_status(pool),
}
props = pool.params
for key, mapping in self._loadbalancer_pool_type_mapping.iteritems():
value = props[key]
if value is not None:
res[mapping] = value
# provider
res['provider'] = pool.provider
# vip_id
res['vip_id'] = None
vip_refs = pool.virtual_ip
if vip_refs is not None:
res['vip_id'] = vip_refs
# members
res['members'] = list(pool.members)
# health_monitors
res['health_monitors'] = list(pool.loadbalancer_healthmonitors)
# TODO: health_monitor_status
res['health_monitors_status'] = []
return res
class LoadbalancerAgent(object):
def __init__(self, svc_mon, vnc_lib, config_section):
# Loadbalancer
self._vnc_lib = vnc_lib
self._svc_mon = svc_mon
self._pool_driver = {}
self._args = config_section
self._loadbalancer_driver = {}
# create default service appliance set
self._create_default_service_appliance_set("opencontrail",
"svc_monitor.services.loadbalancer.drivers.ha_proxy.driver.OpencontrailLoadbalancerDriver")
self._default_provider = "opencontrail"
self.lb_db = LBDB(config_section)
self.lb_db.add_logger(self._svc_mon.logger)
self.lb_db.init_database()
# end __init__
# create default loadbalancer driver
def _create_default_service_appliance_set(self, sa_set_name, driver_name):
default_gsc_name = "default-global-system-config"
default_gsc_fq_name = [default_gsc_name]
sa_set_fq_name = [default_gsc_name, sa_set_name]
try:
sa_set_obj = self._vnc_lib.service_appliance_set_read(fq_name=sa_set_fq_name)
sa_set_uuid = sa_set_obj.uuid
return
except vnc_exc.NoIdError:
gsc_obj = self._vnc_lib.global_system_config_read(fq_name=default_gsc_fq_name)
sa_set_obj = ServiceApplianceSet(sa_set_name, gsc_obj)
sa_set_obj.set_service_appliance_driver(driver_name)
sa_set_uuid = self._vnc_lib.service_appliance_set_create(sa_set_obj)
def load_drivers(self):
for sas in ServiceApplianceSetSM.values():
if sas.driver:
config = self._args.config_sections
config.add_section(sas.name)
for kvp in sas.kvpairs or []:
config.set(sas.name, kvp['key'], kvp['value'])
if sas.ha_mode:
config.set(sas.name, 'ha_mode', str(sas.ha_mode))
for sa in sas.service_appliances or []:
saobj = ServiceApplianceSM.get(sa)
config.set(sas.name, 'device_ip', saobj.ip_address)
config.set(sas.name, 'user',
saobj.user_credential['username'])
config.set(sas.name, 'password',
saobj.user_credential['password'])
self._loadbalancer_driver[sas.name] = \
importutils.import_object(sas.driver, sas.name,
self._svc_mon, self._vnc_lib, self.lb_db, self._args)
# end load_drivers
def audit_lb_pools(self):
for pool_id, config_data, driver_data in self.lb_db.pool_list():
if LoadbalancerPoolSM.get(pool_id):
continue
# Delete the pool from the driver
driver = self._get_driver_for_provider(config_data['provider'])
driver.delete_pool(config_data)
self.lb_db.pool_remove(pool_id)
def load_driver(self, sas):
if sas.name in self._loadbalancer_driver:
del(self._loadbalancer_driver[sas.name])
if sas.driver:
config = self._args.config_sections
try:
config.remove_section(sas.name)
except Exception as ex:
pass
config.add_section(sas.name)
for kvp in sas.kvpairs or []:
config.set(sas.name, kvp['key'], kvp['value'])
if sas.ha_mode:
config.set(sas.name, 'ha_mode', sas.ha_mode)
for sa in sas.service_appliances or []:
saobj = ServiceApplianceSM.get(sa)
config.set(sas.name, 'device_ip', saobj.ip_address)
config.set(sas.name, 'user', saobj.user_credential['username'])
config.set(sas.name, 'password',
saobj.user_credential['password'])
self._loadbalancer_driver[sas.name] = \
importutils.import_object(sas.driver, sas.name,
self._svc_mon, self._vnc_lib, self.lb_db, self._args)
# end load_driver
def unload_driver(self, sas):
if sas.name not in self._loadbalancer_driver:
return
del(self._loadbalancer_driver[sas.name])
# end unload_driver
def _get_driver_for_provider(self, provider_name):
return self._loadbalancer_driver[provider_name]
# end _get_driver_for_provider
def _get_driver_for_pool(self, pool_id, provider=None):
if not pool_id:
return self.drivers[self._default_provider]
if pool_id in self._pool_driver:
return self._pool_driver[pool_id]
if not provider:
pool = LoadbalancerPoolSM.get(pool_id)
provider = pool.provider
driver = self._get_driver_for_provider(provider)
self._pool_driver[pool_id] = driver
return driver
# end _get_driver_for_pool
# Loadbalancer
def loadbalancer_pool_add(self, pool):
p = self.loadbalancer_pool_get_reqdict(pool)
driver = self._get_driver_for_pool(p['id'], p['provider'])
try:
if not pool.last_sent:
driver.create_pool(p)
#elif p != pool.last_sent:
else:
driver.update_pool(pool.last_sent, p)
except Exception as ex:
pass
self.lb_db.pool_config_insert(p['id'], p)
return p
# end loadbalancer_pool_add
def loadbalancer_member_add(self, member):
m = self.loadbalancer_member_get_reqdict(member)
driver = self._get_driver_for_pool(m['pool_id'])
try:
if not member.last_sent:
driver.create_member(m)
elif m != member.last_sent:
driver.update_member(member.last_sent, m)
except Exception as ex:
pass
return m
# end loadbalancer_member_add
def virtual_ip_add(self, vip):
v = self.virtual_ip_get_reqdict(vip)
driver = self._get_driver_for_pool(v['pool_id'])
try:
if not vip.last_sent:
driver.create_vip(v)
elif v != vip.last_sent:
driver.update_vip(vip.last_sent, v)
except Exception as ex:
pass
return v
# end virtual_ip_add
def delete_virtual_ip(self, obj):
v = obj.last_sent
driver = self._get_driver_for_pool(v['pool_id'])
try:
driver.delete_vip(v)
except Exception as ex:
pass
# end delete_virtual_ip
def delete_loadbalancer_member(self, obj):
m = obj.last_sent
driver = self._get_driver_for_pool(m['pool_id'])
try:
driver.delete_member(m)
except Exception as ex:
pass
# end delete_loadbalancer_member
def delete_loadbalancer_pool(self, obj):
p = obj.last_sent
driver = self._get_driver_for_pool(p['id'])
try:
driver.delete_pool(p)
except Exception as ex:
pass
self.lb_db.pool_remove(p['id'])
# end delete_loadbalancer_pool
def update_hm(self, obj):
hm = self.hm_get_reqdict(obj)
current_pools = hm['pools'] or []
old_pools = []
if obj.last_sent:
old_pools = hm['pools'] or []
set_current_pools = set()
set_old_pools = set()
for i in current_pools:
set_current_pools.add(i['pool_id'])
for i in old_pools:
set_old_pools.add(i['pool_id'])
update_pools = set_current_pools & set_old_pools
delete_pools = set_old_pools - set_current_pools
add_pools = set_current_pools - set_old_pools
try:
for pool in add_pools:
driver = self._get_driver_for_pool(pool)
driver.create_pool_health_monitor(hm, pool)
for pool in delete_pools:
driver = self._get_driver_for_pool(pool)
driver.delete_pool_health_monitor(hm, pool)
for pool in update_pools:
driver = self._get_driver_for_pool(pool)
driver.update_health_monitor(obj.last_sent,
hm, pool)
except Exception as ex:
pass
# end update_hm
def _get_vip_pool_id(self, vip):
pool_refs = vip.loadbalancer_pool
if pool_refs is None:
return None
return pool_refs
# end _get_vip_pool_id
def _get_interface_params(self, vip, props):
port_id = vip.virtual_machine_interface
if port_id is None:
return None
if not props['address']:
vmi = VirtualMachineInterfaceSM.get(port_id)
ip_refs = vmi.instance_ip
if ip_refs:
iip = InstanceIpSM.get(ip_refs)
props['address'] = iip.address
return port_id
# end _get_interface_params
def virtual_ip_get_reqdict(self, vip):
props = vip.params
port_id = self._get_interface_params(vip, props)
res = {'id': vip.uuid,
'tenant_id': vip.parent_uuid.replace('-', ''),
'name': vip.display_name,
'description': self._get_object_description(vip),
'subnet_id': props['subnet_id'],
'address': props['address'],
'port_id': port_id,
'protocol_port': props['protocol_port'],
'protocol': props['protocol'],
'pool_id': self._get_vip_pool_id(vip),
'session_persistence': None,
'connection_limit': props['connection_limit'],
'admin_state_up': props['admin_state'],
'status': self._get_object_status(vip)}
if props['persistence_type']:
sp = {'type': props['persistence_type']}
if props['persistence_type'] == 'APP_COOKIE':
sp['cookie_name'] = props['persistence_cookie_name']
res['session_persistence'] = sp
return res;
# end virtual_ip_get_reqdict
_loadbalancer_health_type_mapping = {
'admin_state': 'admin_state_up',
'monitor_type': 'type',
'delay': 'delay',
'timeout': 'timeout',
'max_retries': 'max_retries',
'http_method': 'http_method',
'url_path': 'url_path',
'expected_codes': 'expected_codes'
}
def hm_get_reqdict(self, health_monitor):
res = {'id': health_monitor.uuid,
'tenant_id': health_monitor.parent_uuid.replace('-', ''),
'status': self._get_object_status(health_monitor)}
props = health_monitor.params
for key, mapping in self._loadbalancer_health_type_mapping.iteritems():
value = props[key]
if value is not None:
res[mapping] = value
pool_ids = []
pool_back_refs = health_monitor.loadbalancer_pools
for pool_back_ref in pool_back_refs or []:
pool_id = {}
pool_id['pool_id'] = pool_back_ref
pool_ids.append(pool_id)
res['pools'] = pool_ids
return res
# end hm_get_reqdict
_loadbalancer_member_type_mapping = {
'admin_state': 'admin_state_up',
'status': 'status',
'protocol_port': 'protocol_port',
'weight': 'weight',
'address': 'address',
}
def loadbalancer_member_get_reqdict(self, member):
res = {'id': member.uuid,
'pool_id': member.loadbalancer_pool,
'status': self._get_object_status(member)}
pool = LoadbalancerPoolSM.get(member.loadbalancer_pool)
res['tenant_id'] = pool.parent_uuid.replace('-', '')
props = member.params
for key, mapping in self._loadbalancer_member_type_mapping.iteritems():
value = props[key]
if value is not None:
res[mapping] = value
return res
# end loadbalancer_member_get_reqdict
_loadbalancer_pool_type_mapping = {
'admin_state': 'admin_state_up',
'protocol': 'protocol',
'loadbalancer_method': 'lb_method',
'subnet_id': 'subnet_id'
}
def _get_object_description(self, obj):
id_perms = obj.id_perms
if id_perms is None:
return None
return id_perms['description']
# end _get_object_description
def _get_object_status(self, obj):
id_perms = obj.id_perms
if id_perms and id_perms['enable']:
return "ACTIVE"
return "PENDING_DELETE"
# end _get_object_status
def loadbalancer_pool_get_reqdict(self, pool):
res = {
'id': pool.uuid,
'tenant_id': pool.parent_uuid.replace('-', ''),
'name': pool.display_name,
'description': self._get_object_description(pool),
'status': self._get_object_status(pool),
}
props = pool.params
for key, mapping in self._loadbalancer_pool_type_mapping.iteritems():
value = props[key]
if value is not None:
res[mapping] = value
# provider
res['provider'] = pool.provider
# vip_id
res['vip_id'] = None
vip_refs = pool.virtual_ip
if vip_refs is not None:
res['vip_id'] = vip_refs
# members
res['members'] = list(pool.members)
# health_monitors
res['health_monitors'] = list(pool.loadbalancer_healthmonitors)
# TODO: health_monitor_status
res['health_monitors_status'] = []
return res
