diff --git a/osm_openvim/ovim.py b/osm_openvim/ovim.py
new file mode 100755
index 0000000..39ab578
--- /dev/null
+++ b/osm_openvim/ovim.py
@@ -0,0 +1,1384 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openvim
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+
+'''
+This is the thread for the http server North API. 
+Two thread will be launched, with normal and administrative permissions.
+'''
+
+__author__ = "Alfonso Tierno, Leonardo Mirabal"
+__date__ = "$06-Feb-2017 12:07:15$"
+__version__ = "0.5.10-r526"
+version_date = "Apr 2017"
+database_version = "0.17"      #expected database schema version
+
+import threading
+import osm_openvim.vim_db as vim_db
+import logging
+import imp
+import argparse
+from netaddr import IPNetwork
+from jsonschema import validate as js_v, exceptions as js_e
+import osm_openvim.host_thread as ht
+import osm_openvim.dhcp_thread as dt
+import osm_openvim.openflow_thread as oft
+import osm_openvim.openflow_conn as openflow_conn
+
+
+HTTP_Bad_Request =          400
+HTTP_Unauthorized =         401
+HTTP_Not_Found =            404
+HTTP_Forbidden =            403
+HTTP_Method_Not_Allowed =   405
+HTTP_Not_Acceptable =       406
+HTTP_Request_Timeout =      408
+HTTP_Conflict =             409
+HTTP_Service_Unavailable =  503
+HTTP_Internal_Server_Error= 500
+
+
+def convert_boolean(data, items):
+    '''Check recursively the content of data, and if there is an key contained in items, convert value from string to boolean
+    It assumes that bandwidth is well formed
+    Attributes:
+        'data': dictionary bottle.FormsDict variable to be checked. None or empty is consideted valid
+        'items': tuple of keys to convert
+    Return:
+        None
+    '''
+    if type(data) is dict:
+        for k in data.keys():
+            if type(data[k]) is dict or type(data[k]) is tuple or type(data[k]) is list:
+                convert_boolean(data[k], items)
+            if k in items:
+                if type(data[k]) is str:
+                    if data[k] == "false":
+                        data[k] = False
+                    elif data[k] == "true":
+                        data[k] = True
+    if type(data) is tuple or type(data) is list:
+        for k in data:
+            if type(k) is dict or type(k) is tuple or type(k) is list:
+                convert_boolean(k, items)
+
+
+
+class ovimException(Exception):
+    def __init__(self, message, http_code=HTTP_Bad_Request):
+        self.http_code = http_code
+        Exception.__init__(self, message)
+
+
+class ovim():
+    running_info = {} #TODO OVIM move the info of running threads from config_dic to this static variable
+    of_module = {}
+
+    def __init__(self, configuration):
+        self.config = configuration
+        self.logger_name = configuration.get("logger_name", "openvim")
+        self.logger = logging.getLogger(self.logger_name)
+        self.db = None
+        self.db = self._create_database_connection()
+        self.db_lock = None
+        self.db_of = None
+        self.of_test_mode = False
+
+    def _create_database_connection(self):
+        db = vim_db.vim_db((self.config["network_vlan_range_start"], self.config["network_vlan_range_end"]),
+                           self.logger_name + ".db", self.config.get('log_level_db'))
+        if db.connect(self.config['db_host'], self.config['db_user'], self.config['db_passwd'],
+                      self.config['db_name']) == -1:
+            # self.logger.error("Cannot connect to database %s at %s@%s", self.config['db_name'], self.config['db_user'],
+            #              self.config['db_host'])
+            raise ovimException("Cannot connect to database {} at {}@{}".format(self.config['db_name'],
+                                                                                self.config['db_user'],
+                                                                                self.config['db_host']) )
+        return db
+
+    @staticmethod
+    def get_version():
+        return __version__
+
+    @staticmethod
+    def get_version_date():
+        return version_date
+
+    @staticmethod
+    def get_database_version():
+        return database_version
+
+    @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:
+        """
+        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 start_service(self):
+        """
+        Start ovim services
+        :return:
+        """
+        global database_version
+        # if self.running_info:
+        #    return  #TODO service can be checked and rebuild broken threads
+        r = self.db.get_db_version()
+        if r[0] < 0:
+            raise ovimException("DATABASE is not a VIM one or it is a '0.0' version. Try to upgrade to version '{}' with "\
+                                "'./database_utils/migrate_vim_db.sh'".format(database_version) )
+        elif r[1] != database_version:
+            raise ovimException("DATABASE wrong version '{}'. Try to upgrade/downgrade to version '{}' with "\
+                                "'./database_utils/migrate_vim_db.sh'".format(r[1], database_version) )
+        self.logger.critical("Starting ovim server version: '{} {}' database version '{}'".format(
+            self.get_version(), self.get_version_date(), self.get_database_version()))
+        # create database connection for openflow threads
+        self.db_of = self._create_database_connection()
+        self.config["db"] = self.db_of
+        self.db_lock = threading.Lock()
+        self.config["db_lock"] = self.db_lock
+
+        self.of_test_mode = False if self.config['mode'] == 'normal' or self.config['mode'] == "OF only" else True
+        # precreate interfaces; [bridge:<host_bridge_name>, VLAN used at Host, uuid of network camping in this bridge,
+        # speed in Gbit/s
+
+        self.config['dhcp_nets'] = []
+        self.config['bridge_nets'] = []
+        for bridge, vlan_speed in self.config["bridge_ifaces"].items():
+            # skip 'development_bridge'
+            if self.config['mode'] == 'development' and self.config['development_bridge'] == bridge:
+                continue
+            self.config['bridge_nets'].append([bridge, vlan_speed[0], vlan_speed[1], None])
+
+        # check if this bridge is already used (present at database) for a network)
+        used_bridge_nets = []
+        for brnet in self.config['bridge_nets']:
+            r, nets = self.db.get_table(SELECT=('uuid',), FROM='nets', WHERE={'provider': "bridge:" + brnet[0]})
+            if r > 0:
+                brnet[3] = nets[0]['uuid']
+                used_bridge_nets.append(brnet[0])
+                if self.config.get("dhcp_server"):
+                    if brnet[0] in self.config["dhcp_server"]["bridge_ifaces"]:
+                        self.config['dhcp_nets'].append(nets[0]['uuid'])
+        if len(used_bridge_nets) > 0:
+            self.logger.info("found used bridge nets: " + ",".join(used_bridge_nets))
+        # get nets used by dhcp
+        if self.config.get("dhcp_server"):
+            for net in self.config["dhcp_server"].get("nets", ()):
+                r, nets = self.db.get_table(SELECT=('uuid',), FROM='nets', WHERE={'name': net})
+                if r > 0:
+                    self.config['dhcp_nets'].append(nets[0]['uuid'])
+
+        # OFC default
+        self._start_ofc_default_task()
+
+        # OFC per tenant in DB
+        self._start_of_db_tasks()
+
+        # create dhcp_server thread
+        host_test_mode = True if self.config['mode'] == 'test' or self.config['mode'] == "OF only" else False
+        dhcp_params = self.config.get("dhcp_server")
+        if dhcp_params:
+            thread = dt.dhcp_thread(dhcp_params=dhcp_params, test=host_test_mode, dhcp_nets=self.config["dhcp_nets"],
+                                    db=self.db_of, db_lock=self.db_lock, logger_name=self.logger_name + ".dhcp",
+                                    debug=self.config.get('log_level_of'))
+            thread.start()
+            self.config['dhcp_thread'] = thread
+
+        # Create one thread for each host
+        host_test_mode = True if self.config['mode'] == 'test' or self.config['mode'] == "OF only" else False
+        host_develop_mode = True if self.config['mode'] == 'development' else False
+        host_develop_bridge_iface = self.config.get('development_bridge', None)
+
+        # get host list from data base before starting threads
+        r, hosts = self.db.get_table(SELECT=('name', 'ip_name', 'user', 'uuid'), FROM='hosts', WHERE={'status': 'ok'})
+        if r < 0:
+            raise ovimException("Cannot get hosts from database {}".format(hosts))
+
+        self.config['host_threads'] = {}
+        for host in hosts:
+            host['image_path'] = '/opt/VNF/images/openvim'
+            thread = ht.host_thread(name=host['name'], user=host['user'], host=host['ip_name'], db=self.db_of,
+                                    db_lock=self.db_lock, test=host_test_mode, image_path=self.config['image_path'],
+                                    version=self.config['version'], host_id=host['uuid'], develop_mode=host_develop_mode,
+                                    develop_bridge_iface=host_develop_bridge_iface)
+            thread.start()
+            self.config['host_threads'][host['uuid']] = thread
+
+        # create ovs dhcp thread
+        result, content = self.db.get_table(FROM='nets')
+        if result < 0:
+            self.logger.error("http_get_ports Error %d %s", result, content)
+            raise ovimException(str(content), -result)
+
+        for net in content:
+            net_type = net['type']
+            if (net_type == 'bridge_data' or net_type == 'bridge_man') \
+                    and net["provider"][:4] == 'OVS:' and net["enable_dhcp"] == "true":
+                    self.launch_dhcp_server(net['vlan'],
+                                            net['dhcp_first_ip'],
+                                            net['dhcp_last_ip'],
+                                            net['cidr'],
+                                            net['gateway_ip'])
+
+    def _start_of_db_tasks(self):
+        """
+        Start ofc task for existing ofcs in database
+        :param db_of:
+        :param db_lock:
+        :return:
+        """
+        ofcs = self.get_of_controllers()
+
+        for ofc in ofcs:
+            of_conn = self._load_of_module(ofc)
+            # create ofc thread per of controller
+            self._create_ofc_task(ofc['uuid'], ofc['dpid'], of_conn)
+
+    def _create_ofc_task(self, ofc_uuid, dpid, of_conn):
+        """
+        Create an ofc thread for handle each sdn controllers
+        :param ofc_uuid: sdn controller uuid
+        :param dpid:  sdn controller dpid
+        :param of_conn: OF_conn module
+        :return:
+        """
+        if 'ofcs_thread' not in self.config and 'ofcs_thread_dpid' not in self.config:
+            ofcs_threads = {}
+            ofcs_thread_dpid = []
+        else:
+            ofcs_threads = self.config['ofcs_thread']
+            ofcs_thread_dpid = self.config['ofcs_thread_dpid']
+
+        if ofc_uuid not in ofcs_threads:
+            ofc_thread = self._create_ofc_thread(of_conn, ofc_uuid)
+            if ofc_uuid == "Default":
+                self.config['of_thread'] = ofc_thread
+
+            ofcs_threads[ofc_uuid] = ofc_thread
+            self.config['ofcs_thread'] = ofcs_threads
+
+            ofcs_thread_dpid.append({dpid: ofc_thread})
+            self.config['ofcs_thread_dpid'] = ofcs_thread_dpid
+
+    def _start_ofc_default_task(self):
+        """
+        Create default ofc thread
+        """
+        if 'of_controller' not in self.config \
+                and 'of_controller_ip' not in self.config \
+                and 'of_controller_port' not in self.config \
+                and 'of_controller_dpid' not in self.config:
+            return
+
+        # OF THREAD
+        db_config = {}
+        db_config['ip'] = self.config.get('of_controller_ip')
+        db_config['port'] = self.config.get('of_controller_port')
+        db_config['dpid'] = self.config.get('of_controller_dpid')
+        db_config['type'] = self.config.get('of_controller')
+        db_config['user'] = self.config.get('of_user')
+        db_config['password'] = self.config.get('of_password')
+
+        # create connector to the openflow controller
+        # load other parameters starting by of_ from config dict in a temporal dict
+
+        of_conn = self._load_of_module(db_config)
+        # create openflow thread
+        self._create_ofc_task("Default", db_config['dpid'], of_conn)
+
+    def _load_of_module(self, db_config):
+        """
+        import python module for each SDN controller supported
+        :param db_config: SDN dn information
+        :return: Module
+        """
+        if not db_config:
+            raise ovimException("No module found it", HTTP_Internal_Server_Error)
+
+        module_info = None
+
+        try:
+            if self.of_test_mode:
+                return openflow_conn.OfTestConnector({"name": db_config['type'],
+                                                      "dpid": db_config['dpid'],
+                                                      "of_debug": self.config['log_level_of']})
+            temp_dict = {}
+
+            if db_config:
+                temp_dict['of_ip'] = db_config['ip']
+                temp_dict['of_port'] = db_config['port']
+                temp_dict['of_dpid'] = db_config['dpid']
+                temp_dict['of_controller'] = db_config['type']
+                temp_dict['of_user'] = db_config.get('user')
+                temp_dict['of_password'] = db_config.get('password')
+
+            temp_dict['of_debug'] = self.config['log_level_of']
+
+            if temp_dict['of_controller'] == 'opendaylight':
+                module = "ODL"
+            else:
+                module = temp_dict['of_controller']
+
+            if module not in ovim.of_module:
+                module_info = imp.find_module(module)
+                of_conn_module = imp.load_module("OF_conn", *module_info)
+                ovim.of_module[module] = of_conn_module
+            else:
+                of_conn_module = ovim.of_module[module]
+
+            try:
+                return of_conn_module.OF_conn(temp_dict)
+            except Exception as e:
+                self.logger.error("Cannot open the Openflow controller '%s': %s", type(e).__name__, str(e))
+                if module_info and module_info[0]:
+                    file.close(module_info[0])
+                raise ovimException("Cannot open the Openflow controller '{}': '{}'".format(type(e).__name__, str(e)),
+                                    HTTP_Internal_Server_Error)
+        except (IOError, ImportError) as e:
+            if module_info and module_info[0]:
+                file.close(module_info[0])
+            self.logger.error("Cannot open openflow controller module '%s'; %s: %s; revise 'of_controller' "
+                              "field of configuration file.", module, type(e).__name__, str(e))
+            raise ovimException("Cannot open openflow controller module '{}'; {}: {}; revise 'of_controller' "
+                                "field of configuration file.".format(module, type(e).__name__, str(e)),
+                                HTTP_Internal_Server_Error)
+
+    def _create_ofc_thread(self, of_conn, ofc_uuid="Default"):
+        """
+        Create and launch a of thread
+        :return: thread obj
+        """
+        # create openflow thread
+
+        #if 'of_controller_nets_with_same_vlan' in self.config:
+        #    ofc_net_same_vlan = self.config['of_controller_nets_with_same_vlan']
+        #else:
+        #    ofc_net_same_vlan = False
+        ofc_net_same_vlan = False
+
+        thread = oft.openflow_thread(ofc_uuid, of_conn, of_test=self.of_test_mode, db=self.db_of, db_lock=self.db_lock,
+                                     pmp_with_same_vlan=ofc_net_same_vlan, debug=self.config['log_level_of'])
+        #r, c = thread.OF_connector.obtain_port_correspondence()
+        #if r < 0:
+        #    raise ovimException("Cannot get openflow information %s", c)
+        thread.start()
+        return thread
+
+    def stop_service(self):
+        threads = self.config.get('host_threads', {})
+        if 'of_thread' in self.config:
+            threads['of'] = (self.config['of_thread'])
+        if 'ofcs_thread' in self.config:
+            ofcs_thread = self.config['ofcs_thread']
+            for ofc in ofcs_thread:
+                threads[ofc] = ofcs_thread[ofc]
+
+        if 'dhcp_thread' in self.config:
+            threads['dhcp'] = (self.config['dhcp_thread'])
+
+        for thread in threads.values():
+            thread.insert_task("exit")
+        for thread in threads.values():
+            thread.join()
+
+    def get_networks(self, columns=None, db_filter={}, limit=None):
+        """
+        Retreive networks available
+        :param columns: List with select query parameters
+        :param db_filter: List with where query parameters
+        :param limit: Query limit result
+        :return:
+        """
+        result, content = self.db.get_table(SELECT=columns, FROM='nets', WHERE=db_filter, LIMIT=limit)
+
+        if result < 0:
+            raise ovimException(str(content), -result)
+
+        convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
+
+        return content
+
+    def show_network(self, network_id, db_filter={}):
+        """
+        Get network from DB by id
+        :param network_id: net Id
+        :param db_filter: List with where query parameters
+        :return:
+        """
+        # obtain data
+        if not network_id:
+            raise ovimException("Not network id was not found")
+        db_filter['uuid'] = network_id
+
+        result, content = self.db.get_table(FROM='nets', WHERE=db_filter, LIMIT=100)
+
+        if result < 0:
+            raise ovimException(str(content), -result)
+        elif result == 0:
+            raise ovimException("show_network network '%s' not found" % network_id, -result)
+        else:
+            convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
+            # get ports from DB
+            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
+
+            convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
+            return content[0]
+
+    def new_network(self, network):
+        """
+        Create a net in DB
+        :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_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:
+                self.logger.debug("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)
+                    self.logger.debug("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)
+                    self.logger.debug("dhcp_server: add new net", content, content)
+            return content
+        else:
+            raise ovimException("Error posting network", HTTP_Internal_Server_Error)
+# TODO kei change update->edit
+
+    def edit_network(self, network_id, network):
+        """
+        Update entwork data byt id
+        :return:
+        """
+        # Look for the previous data
+        where_ = {'uuid': network_id}
+        result, network_old = self.db.get_table(FROM='nets', WHERE=where_)
+        if result < 0:
+            raise ovimException("Error updating network %s" % network_old, HTTP_Internal_Server_Error)
+        elif result == 0:
+            raise ovimException('network %s not found' % network_id, HTTP_Not_Found)
+        # get ports
+        nbports, content = self.db.get_table(FROM='ports', SELECT=('uuid as port_id',),
+                                             WHERE={'net_id': network_id}, LIMIT=100)
+        if result < 0:
+            raise ovimException("http_put_network_id error %d %s" % (result, network_old), HTTP_Internal_Server_Error)
+        if nbports > 0:
+            if 'type' in network and network['type'] != network_old[0]['type']:
+                raise ovimException("Can not change type of network while having ports attached",
+                                    HTTP_Method_Not_Allowed)
+            if 'vlan' in network and network['vlan'] != network_old[0]['vlan']:
+                raise ovimException("Can not change vlan of network while having ports attached",
+                                    HTTP_Method_Not_Allowed)
+
+        # check valid params
+        net_provider = network.get('provider', network_old[0]['provider'])
+        net_type = network.get('type', network_old[0]['type'])
+        net_bind_net = network.get("bind_net")
+        net_bind_type = network.get("bind_type")
+        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)
+        if net_provider:
+            if net_provider[:9] == "openflow:":
+                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:
+                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)
+
+        # insert in data base
+        result, content = self.db.update_rows('nets', network, WHERE={'uuid': network_id}, log=True)
+        if result >= 0:
+            # if result > 0 and nbports>0 and 'admin_state_up' in network
+            #     and network['admin_state_up'] != network_old[0]['admin_state_up']:
+            if result > 0:
+
+                try:
+                    if nbports:
+                        self.net_update_ofc_thread(network_id)
+                except ovimException as e:
+                    raise ovimException("Error while launching openflow rules in network '{}' {}"
+                                        .format(network_id, str(e)), HTTP_Internal_Server_Error)
+                except Exception as e:
+                    raise ovimException("Error while launching openflow rules in network '{}' {}"
+                                        .format(network_id, str(e)), HTTP_Internal_Server_Error)
+
+                if self.config.get("dhcp_server"):
+                    if network_id in self.config["dhcp_nets"]:
+                        self.config["dhcp_nets"].remove(network_id)
+                    if network.get("name", network_old[0]["name"]) in self.config["dhcp_server"].get("nets", ()):
+                        self.config["dhcp_nets"].append(network_id)
+                    else:
+                        net_bind = network.get("bind_type", network_old[0]["bind_type"])
+                        if net_bind and net_bind and net_bind[:7] == "bridge:" and net_bind[7:] in self.config["dhcp_server"].get(
+                                "bridge_ifaces", ()):
+                            self.config["dhcp_nets"].append(network_id)
+            return network_id
+        else:
+            raise ovimException(content, -result)
+
+    def delete_network(self, network_id):
+        """
+        Delete network by network id
+        :param network_id:  network id
+        :return:
+        """
+
+        # delete from the data base
+        result, content = self.db.delete_row('nets', network_id)
+
+        if result == 0:
+            raise ovimException("Network %s not found " % network_id, HTTP_Not_Found)
+        elif result > 0:
+            for brnet in self.config['bridge_nets']:
+                if brnet[3] == network_id:
+                    brnet[3] = None
+                    break
+            if self.config.get("dhcp_server") and network_id in self.config["dhcp_nets"]:
+                self.config["dhcp_nets"].remove(network_id)
+            return content
+        else:
+            raise ovimException("Error deleting  network %s" % network_id, HTTP_Internal_Server_Error)
+
+    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", "ofc_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 edit_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
+
+            try:
+                self.net_update_ofc_thread(net['uuid'])
+            except ovimException as e:
+                raise ovimException("Error updating network'{}' {}".format(net['uuid'], str(e)),
+                                    HTTP_Internal_Server_Error)
+            except Exception as e:
+                raise ovimException("Error updating network '{}' {}".format(net['uuid'], str(e)),
+                                    HTTP_Internal_Server_Error)
+
+        return result
+
+    def delete_openflow_rules(self, ofc_id=None):
+        """
+        To make actions over the net. The action is to delete ALL openflow rules
+        :return: return operation result
+        """
+
+        if not ofc_id:
+            if 'Default' in self.config['ofcs_thread']:
+                r, c = self.config['ofcs_thread']['Default'].insert_task("clear-all")
+            else:
+                raise ovimException("Default Openflow controller not not running", HTTP_Not_Found)
+
+        elif ofc_id in self.config['ofcs_thread']:
+            r, c = self.config['ofcs_thread'][ofc_id].insert_task("clear-all")
+
+            # ignore input data
+            if r < 0:
+                raise ovimException(str(c), -r)
+        else:
+            raise ovimException("Openflow controller not found with ofc_id={}".format(ofc_id), HTTP_Not_Found)
+        return r
+
+    def get_openflow_ports(self, ofc_id=None):
+        """
+        Obtain switch ports names of openflow controller
+        :return: Return flow ports in DB
+        """
+        if not ofc_id:
+            if 'Default' in self.config['ofcs_thread']:
+                conn = self.config['ofcs_thread']['Default'].OF_connector
+            else:
+                raise ovimException("Default Openflow controller not not running", HTTP_Not_Found)
+
+        if ofc_id in self.config['ofcs_thread']:
+            conn = self.config['ofcs_thread'][ofc_id].OF_connector
+        else:
+            raise ovimException("Openflow controller not found with ofc_id={}".format(ofc_id), HTTP_Not_Found)
+        return conn.pp2ofi
+
+    def get_ports(self, columns=None, filter={}, limit=None):
+        # result, content = my.db.get_ports(where_)
+        result, content = self.db.get_table(SELECT=columns, WHERE=filter, FROM='ports', LIMIT=limit)
+        if result < 0:
+            self.logger.error("http_get_ports Error %d %s", result, content)
+            raise ovimException(str(content), -result)
+        else:
+            convert_boolean(content, ('admin_state_up',))
+            return content
+
+    def new_port(self, port_data):
+        port_data['type'] = 'external'
+        if port_data.get('net_id'):
+            # check that new net has the correct type
+            result, new_net = self.db.check_target_net(port_data['net_id'], None, 'external')
+            if result < 0:
+                raise ovimException(str(new_net), -result)
+        # insert in data base
+        result, uuid = self.db.new_row('ports', port_data, True, True)
+        if result > 0:
+            if 'net_id' in port_data:
+                try:
+                    self.net_update_ofc_thread(port_data['net_id'])
+                except ovimException as e:
+                    raise ovimException("Cannot insert a task for updating network '{}' {}"
+                                        .format(port_data['net_id'], str(e)), HTTP_Internal_Server_Error)
+                except Exception as e:
+                    raise ovimException("Cannot insert a task for updating network '{}' {}"
+                                        .format(port_data['net_id'], str(e)), HTTP_Internal_Server_Error)
+
+            return uuid
+        else:
+            raise ovimException(str(uuid), -result)
+
+    def new_external_port(self, port_data):
+        """
+        Create new external port and check port mapping correspondence
+        :param port_data: port_data = {
+            'region': 'datacenter region',
+            'compute_node': 'compute node id',
+            'pci': 'pci port address',
+            'vlan': 'net vlan',
+            'net_id': 'net id',
+            'tenant_id': 'tenant id',
+            'mac': 'switch mac',
+            'name': 'port name'
+            'ip_address': 'ip address - optional'}
+        :return:
+        """
+
+        port_data['type'] = 'external'
+
+        if port_data.get('net_id'):
+            # check that new net has the correct type
+            result, new_net = self.db.check_target_net(port_data['net_id'], None, 'external')
+            if result < 0:
+                raise ovimException(str(new_net), -result)
+        # insert in data base
+        db_filter = {}
+
+        if port_data.get('region'):
+            db_filter['region'] = port_data['region']
+        if port_data.get('pci'):
+            db_filter['pci'] = port_data['pci']
+        if port_data.get('compute_node'):
+            db_filter['compute_node'] = port_data['compute_node']
+
+        columns = ['ofc_id', 'switch_dpid', 'switch_port', 'switch_mac', 'pci']
+        port_mapping_data = self.get_of_port_mappings(columns, db_filter)
+
+        if not len(port_mapping_data):
+            raise ovimException("No port mapping founded for '{}'".format(str(db_filter)),
+                                HTTP_Not_Found)
+        elif len(port_mapping_data) > 1:
+            raise ovimException("Wrong port data was given, please check pci, region & compute id data",
+                                HTTP_Conflict)
+
+        port_data['ofc_id'] = port_mapping_data[0]['ofc_id']
+        port_data['switch_dpid'] = port_mapping_data[0]['switch_dpid']
+        port_data['switch_port'] = port_mapping_data[0]['switch_port']
+        port_data['switch_mac'] = port_mapping_data[0]['switch_mac']
+
+        # remove from compute_node, region and pci of_port_data to adapt to 'ports' structure
+        if 'region' in port_data:
+            del port_data['region']
+        if 'pci' in port_data:
+            del port_data['pci']
+        if 'compute_node' in port_data:
+            del port_data['compute_node']
+
+        result, uuid = self.db.new_row('ports', port_data, True, True)
+        if result > 0:
+            try:
+                self.net_update_ofc_thread(port_data['net_id'], port_data['ofc_id'])
+            except ovimException as e:
+                raise ovimException("Cannot insert a task for updating network '{}' {}".
+                                    format(port_data['net_id'], str(e)), HTTP_Internal_Server_Error)
+            except Exception as e:
+                raise ovimException("Cannot insert a task for updating network '{}' {}"
+                                    .format(port_data['net_id'], e), HTTP_Internal_Server_Error)
+            return uuid
+        else:
+            raise ovimException(str(uuid), -result)
+
+    def net_update_ofc_thread(self, net_id, ofc_id=None, switch_dpid=None):
+        """
+        Insert a update net task by net id or ofc_id for each ofc thread
+        :param net_id: network id
+        :param ofc_id: openflow controller id
+        :param switch_dpid: switch dpid
+        :return:
+        """
+        if not net_id:
+            raise ovimException("No net_id received", HTTP_Internal_Server_Error)
+
+        r = -1
+        c = 'No valid ofc_id or switch_dpid received'
+
+        if not ofc_id:
+            ports = self.get_ports(filter={"net_id": net_id})
+            for port in ports:
+                port_ofc_id = port.get('ofc_id', None)
+                if port_ofc_id:
+                    ofc_id = port['ofc_id']
+                    switch_dpid = port['switch_dpid']
+                    break
+        #TODO if not ofc_id: look at database table ofcs
+
+
+        # If no ofc_id found it, default ofc_id is used.
+        if not ofc_id and not switch_dpid:
+            ofc_id = "Default"
+
+        if ofc_id and ofc_id in self.config['ofcs_thread']:
+            r, c = self.config['ofcs_thread'][ofc_id].insert_task("update-net", net_id)
+        elif switch_dpid:
+
+            ofcs_dpid_list = self.config['ofcs_thread_dpid']
+            for ofc_t in ofcs_dpid_list:
+                if switch_dpid in ofc_t:
+                    r, c = ofc_t[switch_dpid].insert_task("update-net", net_id)
+
+        if r < 0:
+            message = "Cannot insert a task for updating network '{}', {}".format(net_id, c)
+            self.logger.error(message)
+            raise ovimException(message, HTTP_Internal_Server_Error)
+
+    def delete_port(self, port_id):
+        # Look for the previous port data
+        result, ports = self.db.get_table(WHERE={'uuid': port_id, "type": "external"}, FROM='ports')
+        if result < 0:
+            raise ovimException("Cannot get port info from database: {}".format(ports), http_code=-result)
+        # delete from the data base
+        result, content = self.db.delete_row('ports', port_id)
+        if result == 0:
+            raise ovimException("External port '{}' not found".format(port_id), http_code=HTTP_Not_Found)
+        elif result < 0:
+            raise ovimException("Cannot delete port from database: {}".format(content), http_code=-result)
+        # update network
+        network = ports[0].get('net_id', None)
+        if network:
+            # change of net.
+
+            try:
+                self.net_update_ofc_thread(network, ofc_id=ports[0]["ofc_id"], switch_dpid=ports[0]["switch_dpid"])
+            except ovimException as e:
+                raise ovimException("Cannot insert a task for delete network '{}' {}".format(network, str(e)),
+                                    HTTP_Internal_Server_Error)
+            except Exception as e:
+                raise ovimException("Cannot insert a task for delete network '{}' {}".format(network, str(e)),
+                                    HTTP_Internal_Server_Error)
+
+        return content
+
+    def edit_port(self, port_id, port_data, admin=True):
+        # Look for the previous port data
+        result, content = self.db.get_table(FROM="ports", WHERE={'uuid': port_id})
+        if result < 0:
+            raise ovimException("Cannot get port info from database: {}".format(content), http_code=-result)
+        elif result == 0:
+            raise ovimException("Port '{}' not found".format(port_id), http_code=HTTP_Not_Found)
+        port = content[0]
+        nets = []
+        host_id = None
+        result = 1
+        if 'net_id' in port_data:
+            # change of net.
+            old_net = port.get('net_id', None)
+            new_net = port_data['net_id']
+            if old_net != new_net:
+
+                if new_net:
+                    nets.append(new_net)  # put first the new net, so that new openflow rules are created before removing the old ones
+                if old_net:
+                    nets.append(old_net)
+                if port['type'] == 'instance:bridge' or port['type'] == 'instance:ovs':
+                    raise ovimException("bridge interfaces cannot be attached to a different net", http_code=HTTP_Forbidden)
+                elif port['type'] == 'external' and not admin:
+                    raise ovimException("Needed admin privileges",http_code=HTTP_Unauthorized)
+                if new_net:
+                    # check that new net has the correct type
+                    result, new_net_dict = self.db.check_target_net(new_net, None, port['type'])
+                    if result < 0:
+                        raise ovimException("Error {}".format(new_net_dict), http_code=HTTP_Conflict)
+                # change VLAN for SR-IOV ports
+                if result >= 0 and port["type"] == "instance:data" and port["model"] == "VF":  # TODO consider also VFnotShared
+                    if new_net:
+                        port_data["vlan"] = None
+                    else:
+                        port_data["vlan"] = new_net_dict["vlan"]
+                    # get host where this VM is allocated
+                    result, content = self.db.get_table(FROM="instances", WHERE={"uuid": port["instance_id"]})
+                    if result > 0:
+                        host_id = content[0]["host_id"]
+
+        # insert in data base
+        if result >= 0:
+            result, content = self.db.update_rows('ports', port_data, WHERE={'uuid': port_id}, log=False)
+            port.update(port_data)
+
+        # Insert task to complete actions
+        if result > 0:
+            for net_id in nets:
+                try:
+                    self.net_update_ofc_thread(net_id, port["ofc_id"], switch_dpid=port["switch_dpid"])
+                except ovimException as e:
+                    raise ovimException("Error updating network'{}' {}".format(net_id, str(e)),
+                                        HTTP_Internal_Server_Error)
+                except Exception as e:
+                    raise ovimException("Error updating network '{}' {}".format(net_id, str(e)),
+                                        HTTP_Internal_Server_Error)
+
+            if host_id:
+                r, v = self.config['host_threads'][host_id].insert_task("edit-iface", port_id, old_net, new_net)
+                if r < 0:
+                    self.logger.error("Error updating network '{}' {}".format(r,v))
+                    # TODO Do something if fails
+        if result >= 0:
+            return port_id
+        else:
+            raise ovimException("Error {}".format(content), http_code=-result)
+
+    def new_of_controller(self, ofc_data):
+        """
+        Create a new openflow controller into DB
+        :param ofc_data: Dict openflow controller data
+        :return: openflow controller dpid
+        """
+
+        result, ofc_uuid = self.db.new_row('ofcs', ofc_data, True, True)
+        if result < 0:
+            raise ovimException("New ofc Error %s" % ofc_uuid, HTTP_Internal_Server_Error)
+
+        ofc_data['uuid'] = ofc_uuid
+        of_conn = self._load_of_module(ofc_data)
+        self._create_ofc_task(ofc_uuid, ofc_data['dpid'], of_conn)
+
+        return ofc_uuid
+
+    def edit_of_controller(self, of_id, ofc_data):
+        """
+        Edit an openflow controller entry from DB
+        :return:
+        """
+        if not ofc_data:
+            raise ovimException("No data received during uptade OF contorller", http_code=HTTP_Internal_Server_Error)
+
+        old_of_controller = self.show_of_controller(of_id)
+
+        if old_of_controller:
+            result, content = self.db.update_rows('ofcs', ofc_data, WHERE={'uuid': of_id}, log=False)
+            if result >= 0:
+                return ofc_data
+            else:
+                raise ovimException("Error uptating OF contorller with uuid {}".format(of_id),
+                                    http_code=-result)
+        else:
+            raise ovimException("Error uptating OF contorller with uuid {}".format(of_id),
+                                http_code=HTTP_Internal_Server_Error)
+
+    def delete_of_controller(self, of_id):
+        """
+        Delete an openflow controller from DB.
+        :param of_id: openflow controller dpid
+        :return:
+        """
+
+        ofc = self.show_of_controller(of_id)
+
+        result, content = self.db.delete_row("ofcs", of_id)
+        if result < 0:
+            raise ovimException("Cannot delete ofc from database: {}".format(content), http_code=-result)
+        elif result == 0:
+            raise ovimException("ofc {} not found ".format(content), http_code=HTTP_Not_Found)
+
+        ofc_thread = self.config['ofcs_thread'][of_id]
+        del self.config['ofcs_thread'][of_id]
+        for ofc_th in self.config['ofcs_thread_dpid']:
+            if ofc['dpid'] in ofc_th:
+                self.config['ofcs_thread_dpid'].remove(ofc_th)
+
+        ofc_thread.insert_task("exit")
+        #ofc_thread.join()
+
+        return content
+
+    def show_of_controller(self, uuid):
+        """
+        Show an openflow controller by dpid from DB.
+        :param db_filter: List with where query parameters
+        :return:
+        """
+
+        result, content = self.db.get_table(FROM='ofcs', WHERE={"uuid": uuid}, LIMIT=100)
+
+        if result == 0:
+            raise ovimException("Openflow controller with uuid '{}' not found".format(uuid),
+                                http_code=HTTP_Not_Found)
+        elif result < 0:
+            raise ovimException("Openflow controller with uuid '{}' error".format(uuid),
+                                http_code=HTTP_Internal_Server_Error)
+        return content[0]
+
+    def get_of_controllers(self, columns=None, db_filter={}, limit=None):
+        """
+        Show an openflow controllers from DB.
+        :param columns:  List with SELECT query parameters
+        :param db_filter: List with where query parameters
+        :param limit: result Limit
+        :return:
+        """
+        result, content = self.db.get_table(SELECT=columns, FROM='ofcs', WHERE=db_filter, LIMIT=limit)
+
+        if result < 0:
+            raise ovimException(str(content), -result)
+
+        return content
+
+    def get_tenants(self, columns=None, db_filter={}, limit=None):
+        """
+        Retrieve tenant list from DB
+        :param columns:  List with SELECT query parameters
+        :param db_filter: List with where query parameters
+        :param limit: result limit
+        :return:
+        """
+        result, content = self.db.get_table(FROM='tenants', SELECT=columns, WHERE=db_filter, LIMIT=limit)
+        if result < 0:
+            raise ovimException('get_tenatns Error {}'.format(str(content)), -result)
+        else:
+            convert_boolean(content, ('enabled',))
+            return content
+
+    def show_tenant_id(self, tenant_id):
+        """
+        Get tenant from DB by id
+        :param tenant_id: tenant id
+        :return:
+        """
+        result, content = self.db.get_table(FROM='tenants', SELECT=('uuid', 'name', 'description', 'enabled'),
+                                            WHERE={"uuid": tenant_id})
+        if result < 0:
+            raise ovimException(str(content), -result)
+        elif result == 0:
+            raise ovimException("tenant with uuid='{}' not found".format(tenant_id), HTTP_Not_Found)
+        else:
+            convert_boolean(content, ('enabled',))
+            return content[0]
+
+    def new_tentant(self, tenant):
+        """
+        Create a tenant and store in DB
+        :param tenant: Dictionary with tenant data
+        :return: the uuid of created tenant. Raise exception upon error
+        """
+
+        # insert in data base
+        result, tenant_uuid = self.db.new_tenant(tenant)
+
+        if result >= 0:
+            return tenant_uuid
+        else:
+            raise ovimException(str(tenant_uuid), -result)
+
+    def delete_tentant(self, tenant_id):
+        """
+        Delete a tenant from the database.
+        :param tenant_id: Tenant id
+        :return: delete tenant id
+        """
+
+        # check permissions
+        r, tenants_flavors = self.db.get_table(FROM='tenants_flavors', SELECT=('flavor_id', 'tenant_id'),
+                                               WHERE={'tenant_id': tenant_id})
+        if r <= 0:
+            tenants_flavors = ()
+        r, tenants_images = self.db.get_table(FROM='tenants_images', SELECT=('image_id', 'tenant_id'),
+                                              WHERE={'tenant_id': tenant_id})
+        if r <= 0:
+            tenants_images = ()
+
+        result, content = self.db.delete_row('tenants', tenant_id)
+        if result == 0:
+            raise ovimException("tenant '%s' not found" % tenant_id, HTTP_Not_Found)
+        elif result > 0:
+            for flavor in tenants_flavors:
+                self.db.delete_row_by_key("flavors", "uuid", flavor['flavor_id'])
+            for image in tenants_images:
+                self.db.delete_row_by_key("images", "uuid", image['image_id'])
+            return content
+        else:
+            raise ovimException("Error deleting tenant '%s' " % tenant_id, HTTP_Internal_Server_Error)
+
+    def edit_tenant(self, tenant_id, tenant_data):
+        """
+        Update a tenant data identified by tenant id
+        :param tenant_id: tenant id
+        :param tenant_data: Dictionary with tenant data
+        :return:
+        """
+
+        # Look for the previous data
+        result, tenant_data_old = self.db.get_table(FROM='tenants', WHERE={'uuid': tenant_id})
+        if result < 0:
+            raise ovimException("Error updating tenant with uuid='{}': {}".format(tenant_id, tenant_data_old),
+                                HTTP_Internal_Server_Error)
+        elif result == 0:
+            raise ovimException("tenant with uuid='{}' not found".format(tenant_id), HTTP_Not_Found)
+
+        # insert in data base
+        result, content = self.db.update_rows('tenants', tenant_data, WHERE={'uuid': tenant_id}, log=True)
+        if result >= 0:
+            return content
+        else:
+            raise ovimException(str(content), -result)
+
+    def set_of_port_mapping(self, of_maps, ofc_id=None, switch_dpid=None, region=None):
+        """
+        Create new port mapping entry
+        :param of_maps: List with port mapping information
+        # maps =[{"ofc_id": <ofc_id>,"region": datacenter region,"compute_node": compute uuid,"pci": pci adress,
+                "switch_dpid": swith dpid,"switch_port": port name,"switch_mac": mac}]
+        :param ofc_id: ofc id
+        :param switch_dpid: switch  dpid
+        :param region: datacenter region id
+        :return:
+        """
+
+        for map in of_maps:
+            if ofc_id:
+                map['ofc_id'] = ofc_id
+            if switch_dpid:
+                map['switch_dpid'] = switch_dpid
+            if region:
+                map['region'] = region
+
+        for of_map in of_maps:
+            result, uuid = self.db.new_row('of_port_mappings', of_map, True)
+            if result > 0:
+                of_map["uuid"] = uuid
+            else:
+                raise ovimException(str(uuid), -result)
+        return of_maps
+
+    def clear_of_port_mapping(self, db_filter={}):
+        """
+        Clear port mapping filtering using db_filter dict
+        :param db_filter: Parameter to filter during remove process
+        :return:
+        """
+        result, content = self.db.delete_row_by_dict(FROM='of_port_mappings', WHERE=db_filter)
+        # delete_row_by_key
+        if result >= 0:
+            return content
+        else:
+            raise ovimException("Error deleting of_port_mappings with filter='{}'".format(str(db_filter)),
+                                HTTP_Internal_Server_Error)
+
+    def get_of_port_mappings(self, column=None, db_filter=None, db_limit=None):
+        """
+        Retrive port mapping from DB
+        :param column:
+        :param db_filter:
+        :return:
+        """
+        result, content = self.db.get_table(SELECT=column, WHERE=db_filter, FROM='of_port_mappings', LIMIT=db_limit)
+
+        if result < 0:
+            self.logger.error("get_of_port_mappings Error %d %s", result, content)
+            raise ovimException(str(content), -result)
+        else:
+            return content
+
+    def get_dhcp_controller(self):
+        """
+        Create an host_thread object for manage openvim controller and not create a thread for itself
+        :return: dhcp_host openvim controller object
+        """
+
+        if 'openvim_controller' in self.config['host_threads']:
+            return self.config['host_threads']['openvim_controller']
+
+        bridge_ifaces = []
+        controller_ip = self.config['ovs_controller_ip']
+        ovs_controller_user = self.config['ovs_controller_user']
+
+        host_test_mode = True if self.config['mode'] == 'test' or self.config['mode'] == "OF only" else False
+        host_develop_mode = True if self.config['mode'] == 'development' else False
+
+        dhcp_host = ht.host_thread(name='openvim_controller', user=ovs_controller_user, host=controller_ip,
+                                   db=self.db_of,
+                                   db_lock=self.db_lock, test=host_test_mode,
+                                   image_path=self.config['image_path'], version=self.config['version'],
+                                   host_id='openvim_controller', develop_mode=host_develop_mode,
+                                   develop_bridge_iface=bridge_ifaces)
+
+        self.config['host_threads']['openvim_controller'] = dhcp_host
+        if not host_test_mode:
+            dhcp_host.ssh_connect()
+        return dhcp_host
+
+    def launch_dhcp_server(self, vlan, first_ip, last_ip, cidr, gateway):
+        """
+        Launch a dhcpserver base on dnsmasq attached to the net base on vlan id across the the openvim computes
+        :param vlan: vlan identifier
+        :param first_ip: First dhcp range ip
+        :param last_ip: Last dhcp range ip
+        :param cidr: net cidr
+        :param gateway: net gateway
+        :return:
+        """
+        ip_tools = IPNetwork(cidr)
+        dhcp_netmask = str(ip_tools.netmask)
+        ip_range = [first_ip, last_ip]
+
+        dhcp_path = self.config['ovs_controller_file_path']
+
+        controller_host = self.get_dhcp_controller()
+        controller_host.create_linux_bridge(vlan)
+        controller_host.create_dhcp_interfaces(vlan, first_ip, dhcp_netmask)
+        controller_host.launch_dhcp_server(vlan, ip_range, dhcp_netmask, dhcp_path, gateway)
+
+if __name__ == "__main__":
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-v","--version", help="show ovim library version", action="store_true")
+    parser.add_argument("--database-version", help="show required database version", action="store_true")
+    args = parser.parse_args()
+    if args.version:
+        print ('openvimd version {} {}'.format(ovim.get_version(), ovim.get_version_date()))
+        print ('(c) Copyright Telefonica')
+    elif args.database_version:
+        print ('required database version: {}'.format(ovim.get_database_version()))
+