def get_instance(cls):
if cls._instance is None:
cls._instance = cls(get_extensions_path(),
CrdManager.get_service_plugins())
return cls._instance
def launch_chain(self, context, chainset_id, chainmap_id, rule_id):
self.db = sfc_db.SFCPluginDb()
self.delta_db = sfc_delta_db.SfcDeltaDb()
self.crdnovadb = nova_db.NovaDb()
self.plugin = q_man.get_plugin()
nt = novaclient(context)
qt = crdclient(context)
rule_details = self.db.get_chainset_rule(context, rule_id,
chainset_id)
chain_id = rule_details['chain_id']
chainmap_details = self.db.get_chainmap(context, chainmap_id)
inbound_network = chainmap_details['inbound_network_id']
outbound_network = chainmap_details['outbound_network_id']
chainset_details = self.db.get_chainset(context, chainset_id)
inbound_net_id = inbound_network
outbound_net_id = outbound_network
#LOG.debug(
# '*****************************************************************************\n')
#LOG.debug('Chain ID = %s' % str(chain_id))
#LOG.debug('Inbound Network = %s' % str(inbound_net_id))
#LOG.debug('Outbound Network = %s' % str(outbound_net_id))
#LOG.debug(
# '*****************************************************************************\n')
filters = {}
filters['chain_id'] = [chain_id]
appliance_maps = self.db.get_chain_appliance_maps(context, filters)
appliance_count = len(appliance_maps)
appliance_maps = sorted(appliance_maps,
key=lambda k: k['sequence_number'])
#LOG.debug(
# '#############################################################################\n')
#LOG.debug('appliance count = %s' % str(appliance_count))
#LOG.debug(
# '#############################################################################\n')
#inner_subnets = self.subnet_list(given_subnet, appliance_count-1)
#LOG.debug(
# '#############################################################################\n')
#LOG.debug('inner subnets = %s' % str(inner_subnets))
#LOG.debug(
# '#############################################################################\n')
last_net = None
count = 1
for appliance_map in appliance_maps:
name = appliance_map['name']
network_name = 'internal_net_' + name
appliance_map_id = appliance_map['id']
chain_id = appliance_map['chain_id']
appliance_id = appliance_map['appliance_id']
appliance = self.db.get_appliance(context,
appliance_id)
glance_image_id = appliance['image_id']
flavor_id = appliance['flavor_id']
security_group_id = appliance['security_group_id']
security_groups = []
secgrp = nt.security_groups.get(appliance['security_group_id'])
security_group_name = secgrp.__getattribute__('name')
security_groups.append(security_group_name)
nics = []
if inbound_net_id == outbound_net_id:
nic = {"net-id": inbound_net_id, "v4-fixed-ip": ""}
nics.append(nic)
else:
nic1 = {"net-id": inbound_net_id, "v4-fixed-ip": ""}
nics.append(nic1)
nic2 = {"net-id": outbound_net_id, "v4-fixed-ip": ""}
nics.append(nic2)
config_handle_id = appliance['config_handle_id']
if (config_handle_id == ''):
msg = _(
'Failed to launch chain %s, No Cnfiguration '
'associated') % chain_id
LOG.error(msg)
LOG.debug(
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n')
LOG.debug('NICS = %s' % str(nics))
LOG.debug('Name = %s' % str(name))
LOG.debug('Galnce Image ID = %s' % str(glance_image_id))
LOG.debug('Security Groups = %s' % str(security_groups))
LOG.debug(
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n')
dev_mapping = None
custom_script = None
keypair_id = None
meta = {'vmtype': 'service'}
instance_count = 1
instance = nt.servers.create(name,
glance_image_id,
flavor_id,
meta=meta,
security_groups=security_groups,
nics=nics,
instance_count=int(instance_count))
LOG.debug('^^^^^^^^^^^^^^^^^^^^^^^^^^^^')
LOG.debug('INSTANCE = %s' % str(instance))
LOG.debug('^^^^^^^^^^^^^^^^^^^^^^^^^^^^')
msg = _('Instance %s was successfully launched.') % instance.id
LOG.debug(msg)
instance_uuid = instance.id
while (1):
msg = _("Waiting for Instance in CRD DB ...%s") % str(
instance_uuid)
LOG.debug("############################################")
LOG.debug(msg)
LOG.debug("############################################")
try:
crd_instance = self.crdnovadb.get_instance(context,
instance_uuid)
if crd_instance['state'] == 'active' or crd_instance[
'state'] == 'error':
break
except:
pass
time.sleep(5)
appliance_instance_body = {
'instance': {
'appliance_map_id': appliance_map_id,
'instance_uuid': instance_uuid,
'tenant_id': context.tenant_id,
'network_id': None,
'vlan_in': None,
'vlan_out': None
}
}
appliance_instance = self.db.create_chain_appliance_map_instance(context, appliance_instance_body)
###DELTA
data = appliance_instance
data.update({'operation' : 'create'})
delta={}
delta.update({'appliance_instances_delta':data})
result_delta = self.delta_db.create_appliance_instances_delta(context,delta)
###DELTA
appliance_instance_id = appliance_instance['id']
if instance_uuid:
fliters = []
filters['tenant_id'] = [context.tenant_id]
#vlanquotas = cfg.CONF.nscs_authtoken.vlan_quota
vlanquotas = '100-200'
#vlanquotas = self.db.get_vlanquotas(context, filters=filters)
if vlanquotas:
vlan_range = vlanquotas.split('-')
vlan_start = int(vlan_range[0])
vlan_end = int(vlan_range[1])
tot_vlans = []
u = 0
for u in range(vlan_start, vlan_end):
tot_vlans.append(u)
for n in nics:
net_id = n['net-id']
fliters = []
filters['tenant_id'] = [context.tenant_id]
filters['network_id'] = [net_id]
vlan_pairs = self.db.get_chain_appliance_map_instances(context,
filters=filters)
assigned_vlans = []
for vp in vlan_pairs:
vlan_in = vp['vlan_in']
assigned_vlans.append(vlan_in)
vlan_out = vp['vlan_out']
assigned_vlans.append(vlan_out)
diff_vlans = sorted(
list(set(tot_vlans) - set(assigned_vlans)))
y = 0
vlan_in = 0
vlan_out = 0
for y in range(0, 2):
if y == 0:
#dir = 'ingress'
vlan_in = diff_vlans[0]
else:
#dir = 'egress'
vlan_out = diff_vlans[1]
#vpair.append(vlid)
if y > 0:
###Insert Vlan Pairs in CRD...
appliance_instance_update_body = {
'appliance_instance': {'network_id': net_id,
'vlan_in': vlan_in,
'vlan_out': vlan_out,
}
}
#vlanpair = self.db.create_vlan_pair(context,
# vlanpair_body)
v_new = self.db.update_chain_appliance_map_instance(context, appliance_instance_id,
appliance_instance_update_body)
###DELTA
data = {}
data = v_new
data.update({'operation' : 'update'})
delta={}
delta.update({'appliance_instances_delta':data})
result_delta = self.delta_db.create_appliance_instances_delta(context,delta)
###DELTA
###Send Vlan Pairs to Relay Agent
#res = {'header': 'request',
# 'instance_uuid': instance_uuid,
# 'slug': 'vlanpair',
# 'vlanin': vlan_in,
# 'vlanout': vlan_out,
# 'version': '1.0',
# 'tenant_id': context.tenant_id}
#LOG.debug('^^^^^^^^^^^^^^^^^^^^^^^^^^^^')
#LOG.debug('VLAN Pair Message = %s' % str(res))
#LOG.debug('^^^^^^^^^^^^^^^^^^^^^^^^^^^^')
#self.send_vlancast(instance_uuid,
# {'config': res})
y += 1
#config_handle_details = self.db.get_config_handle(context,
# config_handle_id)
#res = {'header': 'request',
# 'config_handle_id': config_handle_id,
# 'slug': config_handle_details['slug'],
# 'version': '1.0',
# 'tenant_id': config_handle_details['tenant_id']}
#if config_handle_details['config_mode'] == 'NFV':
# str1 = self.send_cast(config_handle_id, {'config':res})
# pass
count += 1
#time.sleep(120)
#LOG.debug("Returning ChainID - %s" % str(chain_id))
return chain_id
