def _get_vip_cidr(self, a10_context, os_context, vip, v1=False):
db = NeutronDbWrapper(os_context.session)
if v1 is True:
sid = vip["subnet_id"]
else:
sid = vip.vip_subnet_id
vip_subnet_info = db.get_subnet(sid)
return self._format_cidr(vip_subnet_info.cidr)
def _get_vip_cidr(self, a10_context, os_context, vip, v1=False):
db = NeutronDbWrapper(os_context.session)
if v1 is True:
sid = vip["subnet_id"]
else:
sid = vip.vip_subnet_id
vip_subnet_info = db.get_subnet(sid)
return self._format_cidr(vip_subnet_info.cidr)
def _get_vip_cidr(self, a10_context, os_context, vip, v1=False):
db = NeutronDbWrapper(os_context.session)
acos = AcosWrapper(a10_context.client)
config = a10_context.a10_driver.config
if v1 is True:
sid = vip["subnet_id"]
else:
sid = vip.vip_subnet_id
vip_subnet_info = db.get_subnet(sid)
return self._format_cidr(vip_subnet_info.cidr)
def partition_delete_last(self, client, openstack_context, name, lbaas_obj):
# After partition delete, remove any neutron ports created by this hook owned by the tenant
# Make sure the last object is an LB. The data model ensures this but ... just in case.
# or type(lbaas_obj).__name__ != "LoadBalancer":
if not lbaas_obj:
LOG.info("No lbaas obj was set for cleanup, exiting cleanup")
return
db = NeutronDbWrapper(openstack_context.session)
LOG.info("Cleanup ports for {0}".format(name))
db.cleanup_vlan_ports(lbaas_obj)
def partition_delete_last(self, client, openstack_context, name,
lbaas_obj):
# After partition delete, remove any neutron ports created by this hook owned by the tenant
# Make sure the last object is an LB. The data model ensures this but ... just in case.
# or type(lbaas_obj).__name__ != "LoadBalancer":
if not lbaas_obj:
LOG.info("No lbaas obj was set for cleanup, exiting cleanup")
return
db = NeutronDbWrapper(openstack_context.session)
LOG.info("Cleanup ports for {0}".format(name))
db.cleanup_vlan_ports(lbaas_obj)
def _create_nat_pool(self, a10_context, os_context, vip, v1=False):
msg = "CREATE_NAT", (v1 is True), v1, type(v1)
LOG.debug(msg)
db = NeutronDbWrapper(os_context.session)
acos = AcosWrapper(a10_context.client)
config = a10_context.a10_driver.config
vip_cidr = self._get_vip_cidr(a10_context, os_context, vip, v1=v1)
if v1 is True:
try:
acos.create_nat_pool(vip['id'], vip['address'], vip['address'],
vip_cidr)
except Exception as ex:
raise ex
else:
try:
acos.create_nat_pool(vip.id, vip.vip_address, vip.vip_address,
vip_cidr)
except Exception as ex:
raise ex
def after_vip_create(self, a10_context, os_context, vip):
# Get the IDs of all the things we need.
db = NeutronDbWrapper(os_context.session)
acos = AcosWrapper(a10_context.client)
config = a10_context.a10_driver.config
# v2 obj model
if hasattr(vip, "vip_port"):
vip_port = vip.vip_port
subnet_id = vip.vip_subnet_id
subnet = db.get_subnet(subnet_id)
port_id = vip_port.id
network_id = vip_port.network_id
tenant_id = vip.tenant_id
vip_id = vip.id
# v1 obj model
else:
subnet_id = vip["subnet_id"]
port_id = vip["port_id"]
subnet = db.get_subnet(subnet_id)
network_id = subnet["network_id"]
tenant_id = vip["tenant_id"]
vip_id = vip["id"]
try:
binding_level = config.get("vlan_binding_level")
except Exception as ex:
# If binding_level isn't configured, there is a lot that can go wrong.
# Log an error and bail.
# TODO(mdurrant) Narrow exception handling retrieving binding level
raise ex
# Get {network_id} attached to the port.network_id
# Get the segment associated to {network_id} with the network matching our criteria
segment = db.get_segment(port_id, binding_level)
# Get {vlan_id} from the segment
vlan_id = segment.segmentation_id
ve = None
# Is there one assigned to the segment?
if not vlan_id:
LOG.info(
"No VLAN ID for port {0} on segment {1}. Exiting hook.".format(
port_id, segment.id))
return
# Format the string we're going to use a gazillion times for logging.
# Get the associated VE
ve = acos.get_ve(vlan_id)
# If the VE already exists, the VLAN already exists and in most cases we're done.
# Log that this happened.
# TODO(mdurrant) - Find a way to check if it's in another partition and gripe loudly.
if ve:
LOG.info(
"Configuration for {0} previously created".format(vlan_id))
return
# If DHCP, we can configure the interface with DHCP
use_dhcp = config.get("plumb_vlan_dhcp")
# Create the VLAN with configured interfaces
interfaces = config.get("vlan_interfaces")
acos.create_vlan(vlan_id, interfaces)
# Get the MAC of the VE so we can create the port.
ve_pre = acos.get_ve(vlan_id)
ve_mac = ve_pre.get("ve", {}).get("oper", {}).get("mac")
if not ve_mac:
LOG.error(
"Could not retrieve VE MAC, port binding operation failed.")
return
ve_mac = self._format_mac(ve_mac)
# Create a neutron port for VE interface using returned VE MAC
ve_nport = db.create_port(network_id, tenant_id, ve_mac, network_id)
# Get the vips port from neutron
vip_port = db.get_port(port_id)
vip_mac = vip_port["mac_address"]
acos.update_vip(vip_id, vip_mac, vlan_id)
LOG.info("Updated VIP {0} with mac {1} vlan {2}".format(
vip_id, vip_mac, vlan_id))
# TODO(mdurrant) - Should host be blank
ve_portbinding = db.create_port_binding(ve_nport.id, "")
assert (ve_portbinding is not None)
# Set defaults
ve_ip, ve_mask, ve_port = None, None, ve_nport.id
if not use_dhcp:
# Allocate IP from the subnet.
ve_ip, ve_mask, ve_port = db.allocate_ip_for_subnet(
subnet_id, ve_mac, ve_nport.id)
LOG.info("Created VLAN {0} with interfaces {1}".format(
str(vlan_id), str(interfaces)))
ve_dict = self._build_ve_dict(vlan_id, ve_ip, ve_mask, use_dhcp)
# Try to create it. If an exception is raised, it's logged and we stop here.
ve_created = acos.create_ve(ve_dict)
if not ve_created:
LOG.error(
"Exception creating VE interface for VLAN:{0}".format(vlan_id))
return
# Log the created VE for troubleshooting purposes.
LOG.info("Created VE {0}", str(vlan_id))
# Get the IP address of the port
# if use_dhcp:
# LOG.info("VE {0}", str(ve_created))
# Else, it already exists and we're good
LOG.info("Configured {0} with interface IP: {1}".format(
vlan_id, ve_ip))
def after_vip_create(self, a10_context, os_context, vip):
# Get the IDs of all the things we need.
db = NeutronDbWrapper(os_context.session)
acos = AcosWrapper(a10_context.client)
config = a10_context.a10_driver.config
# v2 obj model
if hasattr(vip, "vip_port"):
vip_port = vip.vip_port
subnet_id = vip.vip_subnet_id
subnet = db.get_subnet(subnet_id)
port_id = vip_port.id
network_id = vip_port.network_id
tenant_id = vip.tenant_id
vip_id = vip.id
# v1 obj model
else:
subnet_id = vip["subnet_id"]
port_id = vip["port_id"]
subnet = db.get_subnet(subnet_id)
network_id = subnet["network_id"]
tenant_id = vip["tenant_id"]
vip_id = vip["id"]
try:
binding_level = config.get("vlan_binding_level")
except Exception as ex:
# If binding_level isn't configured, there is a lot that can go wrong.
# Log an error and bail.
# TODO(mdurrant) Narrow exception handling retrieving binding level
raise ex
# Get {network_id} attached to the port.network_id
# Get the segment associated to {network_id} with the network matching our criteria
segment = db.get_segment(port_id, binding_level)
# Get {vlan_id} from the segment
vlan_id = segment.segmentation_id
ve = None
# Is there one assigned to the segment?
if not vlan_id:
LOG.info(
"No VLAN ID for port {0} on segment {1}. Exiting hook.".format(port_id, segment.id))
return
# Format the string we're going to use a gazillion times for logging.
# Get the associated VE
ve = acos.get_ve(vlan_id)
# If the VE already exists, the VLAN already exists and in most cases we're done.
# Log that this happened.
# TODO(mdurrant) - Find a way to check if it's in another partition and gripe loudly.
if ve:
LOG.info("Configuration for {0} previously created".format(vlan_id))
return
# If DHCP, we can configure the interface with DHCP
use_dhcp = config.get("plumb_vlan_dhcp")
# Create the VLAN with configured interfaces
interfaces = config.get("vlan_interfaces")
acos.create_vlan(vlan_id, interfaces)
# Get the MAC of the VE so we can create the port.
ve_pre = acos.get_ve(vlan_id)
ve_mac = ve_pre.get("ve", {}).get("oper", {}).get("mac")
if not ve_mac:
LOG.error("Could not retrieve VE MAC, port binding operation failed.")
return
ve_mac = self._format_mac(ve_mac)
# Create a neutron port for VE interface using returned VE MAC
ve_nport = db.create_port(network_id, tenant_id, ve_mac, network_id)
# Get the vips port from neutron
vip_port = db.get_port(port_id)
vip_mac = vip_port["mac_address"]
acos.update_vip(vip_id, vip_mac, vlan_id)
LOG.info("Updated VIP {0} with mac {1} vlan {2}".format(vip_id, vip_mac, vlan_id))
# TODO(mdurrant) - Should host be blank
ve_portbinding = db.create_port_binding(ve_nport.id, "")
assert(ve_portbinding is not None)
# Set defaults
ve_ip, ve_mask, ve_port = None, None, ve_nport.id
if not use_dhcp:
# Allocate IP from the subnet.
ve_ip, ve_mask, ve_port = db.allocate_ip_for_subnet(subnet_id, ve_mac, ve_nport.id)
LOG.info("Created VLAN {0} with interfaces {1}".format(str(vlan_id), str(interfaces)))
ve_dict = self._build_ve_dict(vlan_id, ve_ip, ve_mask, use_dhcp)
# Try to create it. If an exception is raised, it's logged and we stop here.
ve_created = acos.create_ve(ve_dict)
if not ve_created:
LOG.error("Exception creating VE interface for VLAN:{0}".format(vlan_id))
return
# Log the created VE for troubleshooting purposes.
LOG.info("Created VE {0}", str(vlan_id))
# Get the IP address of the port
# if use_dhcp:
# LOG.info("VE {0}", str(ve_created))
# Else, it already exists and we're good
LOG.info("Configured {0} with interface IP: {1}".format(
vlan_id, ve_ip))