def __init__(self,
host=None,
port=None,
use_ssl=True,
auth=None,
umf_api_version=UMF_API_VERSION):
"""Creates a new client to some NWA.
:param host: The host where service resides
:param port: The port where service resides
:param use_ssl: True to use SSL, False to use HTTP
:param: auth: function to generate Authorization header.
"""
self.host = host
self.port = port
self.use_ssl = use_ssl
self.auth = auth
self.umf_api_version = umf_api_version
LOG.info(
_LI('NWA init: host=%(host)s port=%(port)s use_ssl=%(use_ssl)s '
'auth=%(auth)s'), {
'host': self.host,
'port': self.port,
'use_ssl': self.use_ssl,
'auth': self.auth
})
LOG.info(_LI('NWA init: umf api version: %s'), self.umf_api_version)
def _terminate_l2_network(self, context, nwa_data, **kwargs):
tenant_id = kwargs.get('tenant_id')
nwa_tenant_id = kwargs.get('nwa_tenant_id')
nwa_info = kwargs.get('nwa_info')
network_id = nwa_info['network']['id']
# port check on segment.
if check_vlan(network_id, nwa_data):
raise nwa_exc.AgentProxyException(value=nwa_data)
# delete vlan
# raise AgentProxyException if fail
nwa_data = self._delete_vlan(context, nwa_data=nwa_data, **kwargs)
# delete vlan end.
# tenant network check.
for k in nwa_data:
if re.match('NW_.*', k):
raise nwa_exc.AgentProxyException(value=nwa_data)
LOG.info(_LI("delete_tenant_nw"))
# raise AgentProxyException if fail
nwa_data = self._delete_tenant_nw(context, nwa_data=nwa_data, **kwargs)
# delete tenant
LOG.info(_LI("delete_tenant"))
nwa_data = self.proxy_tenant.delete_tenant(context,
nwa_data=nwa_data,
**kwargs)
# delete tenant end.
# delete nwa_tenant binding.
LOG.info(_LI("delete_nwa_tenant_binding"))
return self.nwa_tenant_rpc.delete_nwa_tenant_binding(
context, tenant_id, nwa_tenant_id)
def create_tenant_rpc_server(self, tid):
"""create_ blocking rpc server
@param tid: openstack tenant id
"""
ret = {}
if tid in self.rpc_servers:
LOG.warning(
_LW("already in message queue and server. queue=%s"),
self.rpc_servers[tid]['topic']
)
return {'result': 'FAILED'}
topic = "%s-%s" % (self.topic, tid)
target = Target(
topic=topic, server=cfg.CONF.host, fanout=False)
assert n_rpc.TRANSPORT is not None
serializer = n_rpc.RequestContextSerializer(None)
server = get_rpc_server(
n_rpc.TRANSPORT, target,
self.agent_top.endpoints,
'blocking', serializer
)
LOG.debug("RPCServer create: topic=%s", topic)
if self.greenpool.free() < 1:
self.greenpool_size += nwa_const.NWA_GREENPOOL_ADD_SIZE
self.greenpool.resize(self.greenpool_size)
LOG.info(_LI('RPCServer greenpool resize %s'), self.greenpool_size)
def server_start():
while True:
try:
LOG.debug('RPCServer thread %d start %s',
(self.greenpool.running(), server))
server.start()
LOG.debug('RPCServer thread end %s', server)
break
except Exception as e:
LOG.exception(_LE('RPCServer thread start failed: %s'), e)
self.rpc_servers[tid] = {
'thread': self.greenpool.spawn(server_start),
'server': server,
'topic': topic
}
eventlet.sleep(0)
LOG.info(_LI('RPCServer started: %(topic)s server=%(server)s'),
{'topic': topic, 'server': server})
ret['result'] = 'SUCCESS'
ret['tenant_id'] = tid
ret['topic'] = topic
return ret
def _log_rest_request(self, method, url, body):
name = workflow.NwaWorkflow.name(url)
body_str = ''
if isinstance(body, dict):
body_str = jsonutils.dumps(body, sort_keys=True)
if name:
LOG.info(_LI('NWA workflow: %(name)s %(body)s'),
{'name': name, 'body': body_str})
else:
LOG.info(_LI('NWA %(method)s %(url)s %(body)s'),
{'method': method,
'url': self._url(url),
'body': body_str})
def _delete_nat(self, context, fip):
if not fip['router_id'] or not fip['fixed_ip_address']:
LOG.debug('already deleted %s', fip)
return
tenant_id = nwa_l3_db.get_tenant_id_by_router(
context.session, fip['router_id']
)
nwa_tenant_id = nwa_com_utils.get_nwa_tenant_id(tenant_id)
fl_data = {
'floating_ip_address': fip['floating_ip_address'],
'fixed_ip_address': fip['fixed_ip_address'],
'id': fip['id'],
'device_id': fip['router_id'],
'floating_network_id': fip['floating_network_id'],
'tenant_id': fip['tenant_id']
}
LOG.info(_LI('delete_nat fl_data=%s'), fl_data)
proxy = self._get_nwa_proxy(self, tenant_id)
proxy.delete_nat(
context, tenant_id=tenant_id,
nwa_tenant_id=nwa_tenant_id,
floating=fl_data
)
def get_tenant_semaphore(cls, tenant_id):
if not isinstance(tenant_id, six.string_types) or tenant_id == '':
raise TypeError('%s is not a string' % tenant_id)
with Semaphore.lock:
if tenant_id not in Semaphore.tenants:
LOG.info(_LI('create semaphore for %s'), tenant_id)
Semaphore.tenants[tenant_id] = Semaphore()
return Semaphore.tenants[tenant_id]
def _log_workflow_success(self, data):
name = ''
if self._post_data:
post_url = self._post_data[0]
name = (workflow.NwaWorkflow.name(post_url) or post_url)
LOG.info(_LI("NWA workflow: %(name)s %(workflow)s"),
{'name': name,
'workflow': jsonutils.dumps(data, indent=4, sort_keys=True)})
def get_tenant_semaphore(cls, tenant_id):
if not isinstance(tenant_id, six.string_types) or tenant_id == '':
raise TypeError('%s is not a string' % tenant_id)
with Semaphore.lock:
if tenant_id not in Semaphore.tenants:
LOG.info(_LI('create semaphore for %s'), tenant_id)
Semaphore.tenants[tenant_id] = Semaphore()
return Semaphore.tenants[tenant_id]
def update_tenant_rpc_servers(self, rpc_context, **kwargs):
session = db_api.get_session()
with session.begin(subtransactions=True):
q_tids = [q.tenant_id
for q in necnwa_api.get_nwa_tenant_queues(session)]
plugin = manager.NeutronManager.get_plugin()
tenant_ids = [server['tenant_id'] for server in kwargs['servers']]
ret = []
for tenant_id in set(q_tids) - set(tenant_ids):
LOG.info(_LI("RPCServer only db tid=%s, send create_server"),
tenant_id)
plugin.nwa_rpc.create_server(rpc_context, tenant_id)
ret.append({'tenant_id': tenant_id})
for tenant_id in set(tenant_ids) - set(q_tids):
LOG.info(_LI("RPCServer only agent tid=%s, send delete_server"),
tenant_id)
plugin.nwa_rpc.delete_server(rpc_context, tenant_id)
return {'servers': ret}
def _log_rest_response(self, status_code, data):
status = ''
progress = ''
if isinstance(data, dict) and data.get('status'):
status = data.get('status')
progress = data.get('progress')
LOG.info(_LI("NWA HTTP %(code)s %(status)s %(progress)s"),
{'code': status_code,
'status': status, 'progress': progress})
if status == 'FAILED':
self._log_workflow_error(data)
elif status == 'SUCCEED':
self._log_workflow_success(data)
def _terminate_l2_network(self, context, nwa_data, **kwargs):
tenant_id = kwargs.get('tenant_id')
nwa_tenant_id = kwargs.get('nwa_tenant_id')
nwa_info = kwargs.get('nwa_info')
network_id = nwa_info['network']['id']
# port check on segment.
if check_vlan(network_id, nwa_data):
raise nwa_exc.AgentProxyException(value=nwa_data)
# delete vlan
# raise AgentProxyException if fail
nwa_data = self._delete_vlan(context, nwa_data=nwa_data, **kwargs)
# delete vlan end.
# tenant network check.
for k in nwa_data:
if re.match('NW_.*', k):
raise nwa_exc.AgentProxyException(value=nwa_data)
LOG.info(_LI("delete_tenant_nw"))
# raise AgentProxyException if fail
nwa_data = self._delete_tenant_nw(context, nwa_data=nwa_data, **kwargs)
# delete tenant
LOG.info(_LI("delete_tenant"))
nwa_data = self.proxy_tenant.delete_tenant(
context,
nwa_data=nwa_data,
**kwargs
)
# delete tenant end.
# delete nwa_tenant binding.
LOG.info(_LI("delete_nwa_tenant_binding"))
return self.nwa_tenant_rpc.delete_nwa_tenant_binding(
context, tenant_id, nwa_tenant_id
)
def __init__(self, host=None, port=None, use_ssl=True, auth=None,
umf_api_version=UMF_API_VERSION):
"""Creates a new client to some NWA.
:param host: The host where service resides
:param port: The port where service resides
:param use_ssl: True to use SSL, False to use HTTP
:param: auth: function to generate Authorization header.
"""
self.host = host
self.port = port
self.use_ssl = use_ssl
self.auth = auth
self.umf_api_version = umf_api_version
LOG.info(
_LI('NWA init: host=%(host)s port=%(port)s use_ssl=%(use_ssl)s '
'auth=%(auth)s'),
{'host': self.host, 'port': self.port, 'use_ssl': self.use_ssl,
'auth': self.auth}
)
LOG.info(_LI('NWA init: umf api version: %s'),
self.umf_api_version)
def update_floatingip(self, context, fpid, floatingip):
port_id_specified = 'port_id' in floatingip['floatingip']
if not port_id_specified:
LOG.error(_LE("port_id key is not found in %s"), floatingip)
raise exc.PortNotFound(port_id=None)
port_id = floatingip['floatingip'].get('port_id')
try:
if port_id_specified and not port_id:
floating = context.session.query(l3_db.FloatingIP).filter_by(
id=fpid).one()
self._delete_nat(context, floating)
except sa.orm.exc.NoResultFound:
raise exc.PortNotFound(port_id=port_id)
ret = super(NECNWAL3Plugin, self).update_floatingip(
context, fpid, floatingip)
try:
if port_id_specified and port_id:
floating = context.session.query(l3_db.FloatingIP).filter_by(
id=fpid).one()
tenant_id = nwa_l3_db.get_tenant_id_by_router(
context.session,
floating['router_id']
)
nwa_tenant_id = nwa_com_utils.get_nwa_tenant_id(tenant_id)
fl_data = {
'floating_ip_address': floating['floating_ip_address'],
'fixed_ip_address': floating['fixed_ip_address'],
'id': fpid, 'device_id': floating['router_id'],
'floating_network_id': floating['floating_network_id'],
'tenant_id': floating['tenant_id'],
'floating_port_id': floating['floating_port_id']
}
LOG.info(_LI('setting_nat fl_data is %s'), fl_data)
proxy = self._get_nwa_proxy(self, tenant_id)
proxy.setting_nat(
context, tenant_id=tenant_id,
nwa_tenant_id=nwa_tenant_id,
floating=fl_data
)
except sa.orm.exc.NoResultFound:
raise exc.PortNotFound(port_id=port_id)
return ret
def get_nwa_proxy(self, tid, context=None):
if tid not in self.nwa_proxies:
self.nwa_proxies[tid] = nwa_proxy_api.NECNWAProxyApi(
nwa_const.NWA_AGENT_TOPIC, tid
)
if context:
self._create_nwa_agent_tenant_queue(context, tid)
nwa_topics = self.get_nwa_topics(context, tid)
if len(nwa_topics) == 1:
LOG.info(_LI('NWA tenant queue: new topic is %s'),
str(nwa_topics[0]))
else:
LOG.warning(_LW('NWA tenant queue is not created. tid=%s'),
tid)
LOG.debug('proxy tid=%s', tid)
return self.nwa_proxies[tid]
def call_workflow(self, tenant_id, post, name, body):
url = workflow.NwaWorkflow.path(name)
try:
wkf = nwa_sem.Semaphore.get_tenant_semaphore(tenant_id)
if wkf.sem.locked():
LOG.info(_LI('NWA sem %s(count)s: %(name)s %(url)s %(body)s'),
{'count': wkf.sem.balance,
'name': post.__name__,
'url': url,
'body': body})
with wkf.sem:
n = copy.copy(self)
n.workflow_polling_log_post_data(url, body)
http_status, rj = n.workflow_kick_and_wait(post, url, body)
return http_status, rj
except Exception as e:
LOG.exception(_LE('%s'), e)
return -1, None
def update_tenant_rpc_servers(self, rpc_context, **kwargs):
ret = {'servers': []}
servers = kwargs.get('servers')
plugin = manager.NeutronManager.get_plugin()
session = db_api.get_session()
with session.begin(subtransactions=True):
queues = necnwa_api.get_nwa_tenant_queues(session)
for queue in queues:
tenant_ids = [server['tenant_id'] for server in servers]
if queue.tenant_id in tenant_ids:
LOG.info(_LI("RPC Server active(tid=%s)"), queue.tenant_id)
continue
else:
# create rpc server for tenant
LOG.debug("create_server: tid=%s", queue.tenant_id)
plugin.nwa_rpc.create_server(rpc_context, queue.tenant_id)
ret['servers'].append({'tenant_id': queue.tenant_id})
return ret
def __init__(self, host=None, port=None, use_ssl=True, auth=None,
access_key_id=None, secret_access_key=None, **kwargs):
load_workflow_list = kwargs.pop('load_workflow_list', True)
if auth is None:
auth = self._define_auth_function(access_key_id, secret_access_key)
if not host or not port:
if not cfgNWA.server_url:
raise cfg.Error("'server_url' or (host, port) "
"must be specified.")
host, port, use_ssl = self._parse_server_url(cfgNWA.server_url)
super(NwaRestClient, self).__init__(host, port, use_ssl, auth,
**kwargs)
self._post_data = None
self.workflow_first_wait = cfg.CONF.NWA.scenario_polling_first_timer
self.workflow_wait_sleep = cfg.CONF.NWA.scenario_polling_timer
self.workflow_retry_count = cfg.CONF.NWA.scenario_polling_count
LOG.info(_LI('NWA init: workflow wait: %(first_wait)ss + '
'%(wait_sleep)ss x %(retry_count)s times.'),
{'first_wait': self.workflow_first_wait,
'wait_sleep': self.workflow_wait_sleep,
'retry_count': self.workflow_retry_count})
if load_workflow_list and not NwaRestClient.workflow_list_is_loaded:
self.update_workflow_list()
NwaRestClient.workflow_list_is_loaded = True
def update_tenant_rpc_servers(self, rpc_context, **kwargs):
ret = {'servers': []}
servers = kwargs.get('servers')
plugin = manager.NeutronManager.get_plugin()
session = db_api.get_session()
with session.begin(subtransactions=True):
queues = necnwa_api.get_nwa_tenant_queues(session)
for queue in queues:
tenant_ids = [server['tenant_id'] for server in servers]
if queue.tenant_id in tenant_ids:
LOG.info(_LI("RPC Server active(tid=%s)"),
queue.tenant_id)
continue
else:
# create rpc server for tenant
LOG.debug("create_server: tid=%s", queue.tenant_id)
plugin.nwa_rpc.create_server(
rpc_context, queue.tenant_id
)
ret['servers'].append({'tenant_id': queue.tenant_id})
return ret
def delete_tenant_semaphore(cls, tenant_id):
with Semaphore.lock:
if tenant_id in Semaphore.tenants:
LOG.info(_LI('delete semaphore for %s'), tenant_id)
del Semaphore.tenants[tenant_id]
def delete_tenant_semaphore(cls, tenant_id):
with Semaphore.lock:
if tenant_id in Semaphore.tenants:
LOG.info(_LI('delete semaphore for %s'), tenant_id)
del Semaphore.tenants[tenant_id]
