+ def get_networks(self, select_=None, where_=None, limit_=100):
+ """
+ Retreive networks available
+ :param select_: List with select query parameters
+ :param where_: List with where query parameters
+ :param limit_: Query limit result
+ :return:
+ """
+ result, content = self.db.get_table(SELECT=select_, FROM='nets', WHERE=where_, LIMIT=limit_)
+
+ if result < 0:
+ raise ovimException(str(content), -result)
+
+ convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
+
+ return content
+
+ def get_network_by_id(self, where_, limit_=100):
+ """
+
+ :param where_:
+ :param limit_:
+ :return:
+ """
+ # obtain data
+ if 'uuid' not in where_:
+ raise ovimException("Not network id was not found" )
+ result, content = self.db.get_table(FROM='nets', WHERE=where_, LIMIT=limit_)
+
+ network_id = where_['uuid']
+
+ if result < 0:
+ raise ovimException(str(content), -result)
+ elif result == 0:
+ raise ovimException("http_get_networks_id network '%s' not found" % network_id, -result)
+ else:
+ convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
+ # get ports
+ result, ports = self.db.get_table(FROM='ports', SELECT=('uuid as port_id',),
+ WHERE={'net_id': network_id}, LIMIT=100)
+ if len(ports) > 0:
+ content[0]['ports'] = ports
+ return content
+
+ def set_network(self, network):
+ """
+
+ :return:
+ """
+ tenant_id = network.get('tenant_id')
+
+ if tenant_id:
+ result, _ = self.db.get_table(FROM='tenants', SELECT=('uuid',), WHERE={'uuid': tenant_id, "enabled": True})
+ if result <= 0:
+ raise ovimException("set_network error, no tenant founded", -result)
+
+ bridge_net = None
+ # check valid params
+ net_provider = network.get('provider')
+ net_type = network.get('type')
+ net_enable_dhcp = network.get('enable_dhcp')
+ if net_enable_dhcp:
+ net_cidr = network.get('cidr')
+
+ net_vlan = network.get("vlan")
+ net_bind_net = network.get("bind_net")
+ net_bind_type = network.get("bind_type")
+ name = network["name"]
+
+ # check if network name ends with :<vlan_tag> and network exist in order to make and automated bindning
+ vlan_index = name.rfind(":")
+ if not net_bind_net and not net_bind_type and vlan_index > 1:
+ try:
+ vlan_tag = int(name[vlan_index + 1:])
+ if not vlan_tag and vlan_tag < 4096:
+ net_bind_net = name[:vlan_index]
+ net_bind_type = "vlan:" + name[vlan_index + 1:]
+ except:
+ pass
+
+ if net_bind_net:
+ # look for a valid net
+ if self._check_valid_uuid(net_bind_net):
+ net_bind_key = "uuid"
+ else:
+ net_bind_key = "name"
+ result, content = self.db.get_table(FROM='nets', WHERE={net_bind_key: net_bind_net})
+ if result < 0:
+ raise ovimException(' getting nets from db ' + content, HTTP_Internal_Server_Error)
+ elif result == 0:
+ raise ovimException(" bind_net %s '%s'not found" % (net_bind_key, net_bind_net), HTTP_Bad_Request)
+ elif result > 1:
+ raise ovimException(" more than one bind_net %s '%s' found, use uuid" % (net_bind_key, net_bind_net), HTTP_Bad_Request)
+ network["bind_net"] = content[0]["uuid"]
+
+ if net_bind_type:
+ if net_bind_type[0:5] != "vlan:":
+ raise ovimException("bad format for 'bind_type', must be 'vlan:<tag>'", HTTP_Bad_Request)
+ if int(net_bind_type[5:]) > 4095 or int(net_bind_type[5:]) <= 0:
+ raise ovimException("bad format for 'bind_type', must be 'vlan:<tag>' with a tag between 1 and 4095",
+ HTTP_Bad_Request)
+ network["bind_type"] = net_bind_type
+
+ if net_provider:
+ if net_provider[:9] == "openflow:":
+ if net_type:
+ if net_type != "ptp" and net_type != "data":
+ raise ovimException(" only 'ptp' or 'data' net types can be bound to 'openflow'",
+ HTTP_Bad_Request)
+ else:
+ net_type = 'data'
+ else:
+ if net_type:
+ if net_type != "bridge_man" and net_type != "bridge_data":
+ raise ovimException("Only 'bridge_man' or 'bridge_data' net types can be bound "
+ "to 'bridge', 'macvtap' or 'default", HTTP_Bad_Request)
+ else:
+ net_type = 'bridge_man'
+
+ if not net_type:
+ net_type = 'bridge_man'
+
+ if net_provider:
+ if net_provider[:7] == 'bridge:':
+ # check it is one of the pre-provisioned bridges
+ bridge_net_name = net_provider[7:]
+ for brnet in self.config['bridge_nets']:
+ if brnet[0] == bridge_net_name: # free
+ if not brnet[3]:
+ raise ovimException("invalid 'provider:physical', "
+ "bridge '%s' is already used" % bridge_net_name, HTTP_Conflict)
+ bridge_net = brnet
+ net_vlan = brnet[1]
+ break
+ # if bridge_net==None:
+ # bottle.abort(HTTP_Bad_Request, "invalid 'provider:physical', bridge '%s' is not one of the provisioned 'bridge_ifaces' in the configuration file" % bridge_net_name)
+ # return
+ elif self.config['network_type'] == 'bridge' and (net_type == 'bridge_data' or net_type == 'bridge_man'):
+ # look for a free precreated nets
+ for brnet in self.config['bridge_nets']:
+ if not brnet[3]: # free
+ if not bridge_net:
+ if net_type == 'bridge_man': # look for the smaller speed
+ if brnet[2] < bridge_net[2]:
+ bridge_net = brnet
+ else: # look for the larger speed
+ if brnet[2] > bridge_net[2]:
+ bridge_net = brnet
+ else:
+ bridge_net = brnet
+ net_vlan = brnet[1]
+ if not bridge_net:
+ raise ovimException("Max limits of bridge networks reached. Future versions of VIM "
+ "will overcome this limit", HTTP_Bad_Request)
+ else:
+ print "using net", bridge_net
+ net_provider = "bridge:" + bridge_net[0]
+ net_vlan = bridge_net[1]
+ elif net_type == 'bridge_data' or net_type == 'bridge_man' and self.config['network_type'] == 'ovs':
+ net_provider = 'OVS'
+ if not net_vlan and (net_type == "data" or net_type == "ptp" or net_provider == "OVS"):
+ net_vlan = self.db.get_free_net_vlan()
+ if net_vlan < 0:
+ raise ovimException("Error getting an available vlan", HTTP_Internal_Server_Error)
+ if net_provider == 'OVS':
+ net_provider = 'OVS' + ":" + str(net_vlan)
+
+ network['provider'] = net_provider
+ network['type'] = net_type
+ network['vlan'] = net_vlan
+ dhcp_integrity = True
+ if 'enable_dhcp' in network and network['enable_dhcp']:
+ dhcp_integrity = self._check_dhcp_data_integrity(network)
+
+ result, content = self.db.new_row('nets', network, True, True)
+
+ if result >= 0 and dhcp_integrity:
+ if bridge_net:
+ bridge_net[3] = content
+ if self.config.get("dhcp_server") and self.config['network_type'] == 'bridge':
+ if network["name"] in self.config["dhcp_server"].get("nets", ()):
+ self.config["dhcp_nets"].append(content)
+ print "dhcp_server: add new net", content
+ elif not bridge_net and bridge_net[0] in self.config["dhcp_server"].get("bridge_ifaces", ()):
+ self.config["dhcp_nets"].append(content)
+ print "dhcp_server: add new net", content
+ return content
+ else:
+ print "http_post_networks error %d %s" % (result, content)
+ raise ovimException("Error posting network", HTTP_Internal_Server_Error)
+
+ @staticmethod
+ def _check_dhcp_data_integrity(network):
+ """
+ Check if all dhcp parameter for anet are valid, if not will be calculated from cidr value
+ :param network: list with user nets paramters
+ :return:
+ """
+ control_iface = []
+
+ if "cidr" in network:
+ cidr = network["cidr"]
+ ip_tools = IPNetwork(cidr)
+ cidr_len = ip_tools.prefixlen
+ if cidr_len > 29:
+ return False
+
+ ips = IPNetwork(cidr)
+ if "dhcp_first_ip" not in network:
+ network["dhcp_first_ip"] = str(ips[2])
+ if "dhcp_last_ip" not in network:
+ network["dhcp_last_ip"] = str(ips[-2])
+ if "gateway_ip" not in network:
+ network["gateway_ip"] = str(ips[1])
+
+ return True
+ else:
+ return False
+
+ @staticmethod
+ def _check_valid_uuid( uuid):
+ id_schema = {"type": "string", "pattern": "^[a-fA-F0-9]{8}(-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}$"}
+ try:
+ js_v(uuid, id_schema)
+ return True
+ except js_e.ValidationError:
+ return False
+
+ def get_openflow_rules(self, network_id=None):
+ """
+ Get openflow id from DB
+ :param network_id: Network id, if none all networks will be retrieved
+ :return: Return a list with Openflow rules per net
+ """
+ # ignore input data
+ if not network_id:
+ where_ = {}
+ else:
+ where_ = {"net_id": network_id}
+
+ result, content = self.db.get_table(
+ SELECT=("name", "net_id", "priority", "vlan_id", "ingress_port", "src_mac", "dst_mac", "actions"),
+ WHERE=where_, FROM='of_flows')
+
+ if result < 0:
+ raise ovimException(str(content), -result)
+ return content
+
+ def update_openflow_rules(self, network_id=None):
+
+ """
+ To make actions over the net. The action is to reinstall the openflow rules
+ network_id can be 'all'
+ :param network_id: Network id, if none all networks will be retrieved
+ :return : Number of nets updated
+ """
+
+ # ignore input data
+ if not network_id:
+ where_ = {}
+ else:
+ where_ = {"uuid": network_id}
+ result, content = self.db.get_table(SELECT=("uuid", "type"), WHERE=where_, FROM='nets')
+
+ if result < 0:
+ raise ovimException(str(content), -result)
+
+ for net in content:
+ if net["type"] != "ptp" and net["type"] != "data":
+ result -= 1
+ continue
+ r, c = self.config['of_thread'].insert_task("update-net", net['uuid'])
+ if r < 0:
+ raise ovimException(str(c), -r)
+ return result
+
+ def clear_openflow_rules(self):
+ """
+ To make actions over the net. The action is to delete ALL openflow rules
+ :return: return operation result
+ """
+ # ignore input data
+ r, c = self.config['of_thread'].insert_task("clear-all")
+ if r < 0:
+ raise ovimException(str(c), -r)
+ return r
+
+ def get_openflow_ports(self):
+ """
+ Obtain switch ports names of openflow controller
+ :return: Return flow ports in DB
+ """
+ data = {'ports': self.config['of_thread'].OF_connector.pp2ofi}
+ return data