def _create_virtual_network(self, ns_name, vn_name, proj_obj):
"""
Create a virtual network for this namespace.
"""
vn = VirtualNetwork(name=vn_name,
parent_obj=proj_obj,
virtual_network_properties=VirtualNetworkType(
forwarding_mode='l3'),
address_allocation_mode='flat-subnet-only')
try:
vn_uuid = self._vnc_lib.virtual_network_create(vn)
except RefsExistError:
vn_obj = self._vnc_lib.virtual_network_read(
fq_name=vn.get_fq_name())
vn_uuid = vn_obj.uuid
# Instance-Ip for pods on this VN, should be allocated from
# cluster pod ipam. Attach the cluster podipam object
# to this virtual network.
ipam_obj = self._vnc_lib.network_ipam_read(
fq_name=vnc_kube_config.pod_ipam_fq_name())
vn.add_network_ipam(ipam_obj, VnSubnetsType([]))
# Update VN.
self._vnc_lib.virtual_network_update(vn)
# Cache the virtual network.
VirtualNetworkKM.locate(vn_uuid)
# Cache network info in namespace entry.
self._set_namespace_virtual_network(ns_name, vn.get_fq_name())
return vn_uuid
def _create_iip(self, pod_name, pod_namespace, vn_obj, vmi):
# Instance-ip for pods are ALWAYS allocated from pod ipam on this
# VN. Get the subnet uuid of the pod ipam on this VN, so we can request
# an IP from it.
vn = VirtualNetworkKM.find_by_name_or_uuid(vn_obj.get_uuid())
pod_ipam_subnet_uuid = vn.get_ipam_subnet_uuid(
vnc_kube_config.pod_ipam_fq_name())
# Create instance-ip.
display_name = VncCommon.make_display_name(pod_namespace, pod_name)
iip_uuid = str(uuid.uuid1())
iip_name = VncCommon.make_name(pod_name, iip_uuid)
iip_obj = InstanceIp(name=iip_name,
subnet_uuid=pod_ipam_subnet_uuid,
display_name=display_name)
iip_obj.uuid = iip_uuid
iip_obj.add_virtual_network(vn_obj)
# Creation of iip requires the vmi vnc object.
vmi_obj = self._vnc_lib.virtual_machine_interface_read(
fq_name=vmi.fq_name)
iip_obj.add_virtual_machine_interface(vmi_obj)
self.add_annotations(iip_obj, InstanceIpKM.kube_fq_name_key,
pod_namespace, pod_name)
try:
self._vnc_lib.instance_ip_create(iip_obj)
except RefsExistError:
self._vnc_lib.instance_ip_update(iip_obj)
InstanceIpKM.locate(iip_obj.uuid)
return iip_obj
def _get_pod_ipam_subnet_uuid(self, vn_obj):
pod_ipam_subnet_uuid = None
fq_name = vnc_kube_config.pod_ipam_fq_name()
vn = VirtualNetworkKM.find_by_name_or_uuid(vn_obj.get_uuid())
pod_ipam_subnet_uuid = vn.get_ipam_subnet_uuid(fq_name)
if pod_ipam_subnet_uuid is None:
self._logger.error("%s - %s Not Found" % (self._name, fq_name))
return pod_ipam_subnet_uuid
def _get_pod_ipam_subnet_uuid(self, vn_obj):
pod_ipam_subnet_uuid = None
fq_name = vnc_kube_config.pod_ipam_fq_name()
vn = VirtualNetworkKM.find_by_name_or_uuid(vn_obj.get_uuid())
pod_ipam_subnet_uuid = vn.get_ipam_subnet_uuid(fq_name)
if pod_ipam_subnet_uuid is None:
self._logger.error("%s - %s Not Found" %(self._name, fq_name))
return pod_ipam_subnet_uuid
def _get_pod_ipam_subnet_uuid(self, ns_name, vn_obj):
pod_ipam_subnet_uuid = None
if self._is_network_isolated(ns_name):
vn_namespace = ns_name
else:
vn_namespace = 'default'
if self._is_ip_fabric_forwarding_enabled(vn_namespace):
ipam_fq_name = vnc_kube_config.ip_fabric_ipam_fq_name()
else:
ipam_fq_name = vnc_kube_config.pod_ipam_fq_name()
vn = VirtualNetworkKM.find_by_name_or_uuid(vn_obj.get_uuid())
pod_ipam_subnet_uuid = vn.get_ipam_subnet_uuid(ipam_fq_name)
if pod_ipam_subnet_uuid is None:
self._logger.error("%s - %s Not Found" %(self._name, ipam_fq_name))
return pod_ipam_subnet_uuid
def _create_isolated_ns_virtual_network(self, ns_name, vn_name, proj_obj):
"""
Create a virtual network for this namespace.
"""
vn = VirtualNetwork(name=vn_name, parent_obj=proj_obj,
virtual_network_properties=VirtualNetworkType(forwarding_mode='l3'),
address_allocation_mode='flat-subnet-only')
# Add annotatins on this isolated virtual-network.
VirtualNetworkKM.add_annotations(self, vn, namespace=ns_name,
name=ns_name, isolated='True')
try:
vn_uuid = self._vnc_lib.virtual_network_create(vn)
except RefsExistError:
vn_obj = self._vnc_lib.virtual_network_read(
fq_name=vn.get_fq_name())
vn_uuid = vn_obj.uuid
# Instance-Ip for pods on this VN, should be allocated from
# cluster pod ipam. Attach the cluster pod-ipam object
# to this virtual network.
ipam_obj = self._vnc_lib.network_ipam_read(
fq_name=vnc_kube_config.pod_ipam_fq_name())
vn.add_network_ipam(ipam_obj, VnSubnetsType([]))
# Update VN.
self._vnc_lib.virtual_network_update(vn)
# Cache the virtual network.
VirtualNetworkKM.locate(vn_uuid)
# Cache network info in namespace entry.
self._set_namespace_virtual_network(ns_name, vn.get_fq_name())
return vn_uuid
