From: bhangare Date: Thu, 12 Jan 2017 12:02:23 +0000 (-0800) Subject: Changes in vimconn_vmware.py: Create networks & apply network configuration as define... X-Git-Tag: v1.0.4~2 X-Git-Url: https://osm.etsi.org/gitweb/?a=commitdiff_plain;h=refs%2Fchanges%2F14%2F914%2F1;p=osm%2FRO.git Changes in vimconn_vmware.py: Create networks & apply network configuration as defined in VNFD to override what is defined in uploaded .ovf Signed-off-by: bhangare --- diff --git a/vimconn_vmware.py b/vimconn_vmware.py index 91a7ab65..cd5a47bc 100644 --- a/vimconn_vmware.py +++ b/vimconn_vmware.py @@ -54,6 +54,9 @@ import time import uuid import httplib import hashlib +import socket +import struct +import netaddr # global variable for vcd connector type STANDALONE = 'standalone' @@ -62,13 +65,21 @@ STANDALONE = 'standalone' FLAVOR_RAM_KEY = 'ram' FLAVOR_VCPUS_KEY = 'vcpus' -# global variables for number of retry +DEFAULT_IP_PROFILE = {'gateway_address':"192.168.1.1", + 'dhcp_count':50, + 'subnet_address':"192.168.1.0/24", + 'dhcp_enabled':True, + 'dhcp_start_address':"192.168.1.3", + 'ip_version':"IPv4", + 'dns_address':"192.168.1.2" + } +# global variable for wait time INTERVAL_TIME = 5 MAX_WAIT_TIME = 1800 VCAVERSION = '5.9' -__author__ = "Mustafa Bayramov, Arpita Kate" +__author__ = "Mustafa Bayramov, Arpita Kate, Sachin Bhangare" __date__ = "$23-Dec-2016 11:09:29$" __version__ = '0.1' @@ -424,19 +435,20 @@ class vimconnector(vimconn.vimconnector): def new_network(self, net_name, net_type, ip_profile=None, shared=False): """Adds a tenant network to VIM net_name is the name - net_type can be 'bridge','data'.'ptp'. TODO: this need to be revised + net_type can be 'bridge','data'.'ptp'. ip_profile is a dict containing the IP parameters of the network shared is a boolean Returns the network identifier""" - self.logger.debug( - "new_network tenant {} net_type {} ip_profile {} shared {}".format(net_name, net_type, ip_profile, shared)) + self.logger.debug("new_network tenant {} net_type {} ip_profile {} shared {}" + .format(net_name, net_type, ip_profile, shared)) isshared = 'false' if shared: isshared = 'true' - network_uuid = self.create_network(network_name=net_name, isshared=isshared) + network_uuid = self.create_network(network_name=net_name, net_type=net_type, + ip_profile=ip_profile, isshared=isshared) if network_uuid is not None: return network_uuid else: @@ -1191,32 +1203,34 @@ class vimconnector(vimconn.vimconnector): power_on = 'true' # client must provide at least one entry in net_list if not we report error - # + #If net type is mgmt, then configure it as primary net & use its NIC index as primary NIC + #If no mgmt, then the 1st NN in netlist is considered as primary net. + primary_net = None primary_netname = None network_mode = 'bridged' if net_list is not None and len(net_list) > 0: - primary_net = net_list[0] + for net in net_list: + if 'use' in net and net['use'] == 'mgmt': + primary_net = net if primary_net is None: - raise vimconn.vimconnUnexpectedResponse("new_vminstance(): Failed network list is empty.".format(name)) - else: - try: - primary_net_id = primary_net['net_id'] - network_dict = self.get_vcd_network(network_uuid=primary_net_id) - if 'name' in network_dict: - primary_netname = network_dict['name'] - self.logger.info("Connecting VM to a network name {} " - " network id {}".format(primary_netname, primary_net_id)) - if 'use' in primary_net: - if primary_net['use'] == 'bridge': - network_mode = 'bridged' - except KeyError: - raise vimconn.vimconnException("Corrupted flavor. {}".format(primary_net)) + primary_net = net_list[0] + + try: + primary_net_id = primary_net['net_id'] + network_dict = self.get_vcd_network(network_uuid=primary_net_id) + if 'name' in network_dict: + primary_netname = network_dict['name'] + + except KeyError: + raise vimconn.vimconnException("Corrupted flavor. {}".format(primary_net)) + else: + raise vimconn.vimconnUnexpectedResponse("new_vminstance(): Failed network list is empty.".format(name)) # use: 'data', 'bridge', 'mgmt' # create vApp. Set vcpu and ram based on flavor id. vapptask = vca.create_vapp(self.tenant_name, vmname_andid, templateName, self.get_catalogbyid(image_id, catalogs), - network_name=primary_netname, # can be None if net_list None + network_name=None, # None while creating vapp network_mode=network_mode, vm_name=vmname_andid, vm_cpus=vm_cpus, # can be None if flavor is None @@ -1233,10 +1247,11 @@ class vimconnector(vimconn.vimconnector): raise vimconn.vimconnUnexpectedResponse( "new_vminstance(): Failed failed retrieve vApp {} after we deployed".format(vmname_andid)) - # add first NIC + # add NICs & connect to networks in netlist try: self.logger.info("Request to connect VM to a network: {}".format(net_list)) nicIndex = 0 + primary_nic_index = 0 for net in net_list: # openmano uses network id in UUID format. # vCloud Director need a name so we do reverse operation from provided UUID we lookup a name @@ -1250,6 +1265,9 @@ class vimconnector(vimconn.vimconnector): interface_net_name = self.get_network_name_by_id(network_uuid=interface_net_id) interface_network_mode = net['use'] + if interface_network_mode == 'mgmt': + primary_nic_index = nicIndex + """- POOL (A static IP address is allocated automatically from a pool of addresses.) - DHCP (The IP address is obtained from a DHCP service.) - MANUAL (The IP address is assigned manually in the IpAddress element.) @@ -1258,21 +1276,19 @@ class vimconnector(vimconn.vimconnector): if primary_netname is not None: nets = filter(lambda n: n.name == interface_net_name, vca.get_networks(self.tenant_name)) if len(nets) == 1: - self.logger.info("Found requested network: {}".format(nets[0].name)) + self.logger.info("new_vminstance(): Found requested network: {}".format(nets[0].name)) task = vapp.connect_to_network(nets[0].name, nets[0].href) if type(task) is GenericTask: vca.block_until_completed(task) - # connect network to VM - # TODO figure out mapping between openmano representation to vCloud director. - # one idea use first nic as management DHCP all remaining in bridge mode - self.logger.info("Connecting VM to a network network {}".format(nets[0].name)) + # connect network to VM - with all DHCP by default + self.logger.info("new_vminstance(): Connecting VM to a network {}".format(nets[0].name)) task = vapp.connect_vms(nets[0].name, connection_index=nicIndex, - connections_primary_index=nicIndex, + connections_primary_index=primary_nic_index, ip_allocation_mode='DHCP') if type(task) is GenericTask: vca.block_until_completed(task) - nicIndex += 1 + nicIndex += 1 except KeyError: # it might be a case if specific mandatory entry in dict is empty self.logger.debug("Key error {}".format(KeyError.message)) @@ -2134,12 +2150,16 @@ class vimconnector(vimconn.vimconnector): return False - def create_network(self, network_name=None, parent_network_uuid=None, isshared='true'): + def create_network(self, network_name=None, net_type='bridge', parent_network_uuid=None, + ip_profile=None, isshared='true'): """ Method create network in vCloud director Args: network_name - is network name to be created. + net_type - can be 'bridge','data','ptp','mgmt'. + ip_profile is a dict containing the IP parameters of the network + isshared - is a boolean parent_network_uuid - is parent provider vdc network that will be used for mapping. It optional attribute. by default if no parent network indicate the first available will be used. @@ -2149,6 +2169,8 @@ class vimconnector(vimconn.vimconnector): new_network_name = [network_name, '-', str(uuid.uuid4())] content = self.create_network_rest(network_name=''.join(new_network_name), + ip_profile=ip_profile, + net_type=net_type, parent_network_uuid=parent_network_uuid, isshared=isshared) if content is None: @@ -2165,12 +2187,16 @@ class vimconnector(vimconn.vimconnector): self.logger.debug("Failed create network {}".format(network_name)) return None - def create_network_rest(self, network_name=None, parent_network_uuid=None, isshared='true'): + def create_network_rest(self, network_name=None, net_type='bridge', parent_network_uuid=None, + ip_profile=None, isshared='true'): """ Method create network in vCloud director Args: network_name - is network name to be created. + net_type - can be 'bridge','data','ptp','mgmt'. + ip_profile is a dict containing the IP parameters of the network + isshared - is a boolean parent_network_uuid - is parent provider vdc network that will be used for mapping. It optional attribute. by default if no parent network indicate the first available will be used. @@ -2241,29 +2267,138 @@ class vimconnector(vimconn.vimconnector): except: return None + #Configure IP profile of the network + ip_profile = ip_profile if ip_profile is not None else DEFAULT_IP_PROFILE + + gateway_address=ip_profile['gateway_address'] + dhcp_count=int(ip_profile['dhcp_count']) + subnet_address=self.convert_cidr_to_netmask(ip_profile['subnet_address']) + + if ip_profile['dhcp_enabled']==True: + dhcp_enabled='true' + else: + dhcp_enabled='false' + dhcp_start_address=ip_profile['dhcp_start_address'] + + #derive dhcp_end_address from dhcp_start_address & dhcp_count + end_ip_int = int(netaddr.IPAddress(dhcp_start_address)) + end_ip_int += dhcp_count - 1 + dhcp_end_address = str(netaddr.IPAddress(end_ip_int)) + + ip_version=ip_profile['ip_version'] + dns_address=ip_profile['dns_address'] + # either use client provided UUID or search for a first available # if both are not defined we return none if parent_network_uuid is not None: url_list = [vca.host, '/api/admin/network/', parent_network_uuid] add_vdc_rest_url = ''.join(url_list) - # return response.content - data = """ - Openmano created - - - {2:s} - - {3:s} - """.format(escape(network_name), available_networks, "bridged", isshared) + if net_type=='ptp': + fence_mode="isolated" + isshared='false' + is_inherited='false' + data = """ + Openmano created + + + + {1:s} + {2:s} + {3:s} + {4:s} + {5:s} + + + {6:s} + {7:s} + + + + + {8:s} + + {9:s} + """.format(escape(network_name), is_inherited, gateway_address, + subnet_address, dns_address, dhcp_enabled, + dhcp_start_address, dhcp_end_address, fence_mode, isshared) + + else: + fence_mode="bridged" + is_inherited='false' + data = """ + Openmano created + + + + {1:s} + {2:s} + {3:s} + {4:s} + {5:s} + + + {6:s} + {7:s} + + + + + + {9:s} + + {10:s} + """.format(escape(network_name), is_inherited, gateway_address, + subnet_address, dns_address, dhcp_enabled, + dhcp_start_address, dhcp_end_address, available_networks, + fence_mode, isshared) headers = vca.vcloud_session.get_vcloud_headers() headers['Content-Type'] = 'application/vnd.vmware.vcloud.orgVdcNetwork+xml' - response = Http.post(url=add_vdc_rest_url, headers=headers, data=data, verify=vca.verify, logger=vca.logger) + try: + response = Http.post(url=add_vdc_rest_url, + headers=headers, + data=data, + verify=vca.verify, + logger=vca.logger) + + if response.status_code != 201: + self.logger.debug("Create Network POST REST API call failed. Return status code {}" + .format(response.status_code)) + else: + network = networkType.parseString(response.content, True) + create_nw_task = network.get_Tasks().get_Task()[0] + + # if we all ok we respond with content after network creation completes + # otherwise by default return None + if create_nw_task is not None: + self.logger.debug("Create Network REST : Waiting for Nw creation complete") + status = vca.block_until_completed(create_nw_task) + if status: + return response.content + else: + self.logger.debug("create_network_rest task failed. Network Create response : {}" + .format(response.content)) + except Exception as exp: + self.logger.debug("create_network_rest : Exception : {} ".format(exp)) - # if we all ok we respond with content otherwise by default None - if response.status_code == 201: - return response.content + return None + + def convert_cidr_to_netmask(self, cidr_ip=None): + """ + Method sets convert CIDR netmask address to normal IP format + Args: + cidr_ip : CIDR IP address + Returns: + netmask : Converted netmask + """ + if cidr_ip is not None: + if '/' in cidr_ip: + network, net_bits = cidr_ip.split('/') + netmask = socket.inet_ntoa(struct.pack(">I", (0xffffffff << (32 - int(net_bits))) & 0xffffffff)) + else: + netmask = cidr_ip + return netmask return None def get_provider_rest(self, vca=None): @@ -2584,3 +2719,4 @@ class vimconnector(vimconn.vimconnector): return None +