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