openmano first code upload

Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/vimconn_openvim.py b/vimconn_openvim.py
new file mode 100755
index 0000000..6dfd474
--- /dev/null
+++ b/vimconn_openvim.py
@@ -0,0 +1,1386 @@
+# -*- coding: utf-8 -*-
+
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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
+##
+
+'''
+vimconnector implements all the methods to interact with openvim using the openvim API.
+
+For interacting with Openstack refer to osconnector.
+'''
+__author__="Alfonso Tierno, Gerardo Garcia"
+__date__ ="$26-aug-2014 11:09:29$"
+
+import vimconn
+import requests
+import json
+import yaml
+from openmano_schemas import id_schema, name_schema, nameshort_schema, description_schema, \
+                            vlan1000_schema, integer0_schema
+from jsonschema import validate as js_v, exceptions as js_e
+
+'''contain the openvim virtual machine status to openmano status'''
+vmStatus2manoFormat={'ACTIVE':'ACTIVE',
+                     'PAUSED':'PAUSED',
+                     'SUSPENDED': 'SUSPENDED',
+                     'INACTIVE':'INACTIVE',
+                     'CREATING':'BUILD',
+                     'ERROR':'ERROR','DELETED':'DELETED'
+                     }
+netStatus2manoFormat={'ACTIVE':'ACTIVE','INACTIVE':'INACTIVE','BUILD':'BUILD','ERROR':'ERROR','DELETED':'DELETED', 'DOWN':'DOWN'
+                     }
+
+
+host_schema = {
+    "type":"object",
+    "properties":{
+        "id": id_schema,
+        "name": name_schema,
+    },
+    "required": ["id"]
+}
+image_schema = {
+    "type":"object",
+    "properties":{
+        "id": id_schema,
+        "name": name_schema,
+    },
+    "required": ["id","name"]
+}
+server_schema = {
+    "type":"object",
+    "properties":{
+        "id":id_schema,
+        "name": name_schema,
+    },
+    "required": ["id","name"]
+}
+new_host_response_schema = {
+    "title":"host response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "host": host_schema
+    },
+    "required": ["host"],
+    "additionalProperties": False
+}
+
+get_images_response_schema = {
+    "title":"openvim images response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "images":{
+            "type":"array",
+            "items": image_schema,
+        }
+    },
+    "required": ["images"],
+    "additionalProperties": False
+}
+
+get_hosts_response_schema = {
+    "title":"openvim hosts response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "hosts":{
+            "type":"array",
+            "items": host_schema,
+        }
+    },
+    "required": ["hosts"],
+    "additionalProperties": False
+}
+
+get_host_detail_response_schema = new_host_response_schema # TODO: Content is not parsed yet
+
+get_server_response_schema = {
+    "title":"openvim server response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "servers":{
+            "type":"array",
+            "items": server_schema,
+        }
+    },
+    "required": ["servers"],
+    "additionalProperties": False
+}
+
+new_tenant_response_schema = {
+    "title":"tenant response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "tenant":{
+            "type":"object",
+            "properties":{
+                "id": id_schema,
+                "name": nameshort_schema,
+                "description":description_schema,
+                "enabled":{"type" : "boolean"}
+            },
+            "required": ["id"]
+        }
+    },
+    "required": ["tenant"],
+    "additionalProperties": False
+}
+
+new_network_response_schema = {
+    "title":"network response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "network":{
+            "type":"object",
+            "properties":{
+                "id":id_schema,
+                "name":name_schema,
+                "type":{"type":"string", "enum":["bridge_man","bridge_data","data", "ptp"]},
+                "shared":{"type":"boolean"},
+                "tenant_id":id_schema,
+                "admin_state_up":{"type":"boolean"},
+                "vlan":vlan1000_schema
+            },
+            "required": ["id"]
+        }
+    },
+    "required": ["network"],
+    "additionalProperties": False
+}
+
+
+# get_network_response_schema = {
+#     "title":"get network response information schema",
+#     "$schema": "http://json-schema.org/draft-04/schema#",
+#     "type":"object",
+#     "properties":{
+#         "network":{
+#             "type":"object",
+#             "properties":{
+#                 "id":id_schema,
+#                 "name":name_schema,
+#                 "type":{"type":"string", "enum":["bridge_man","bridge_data","data", "ptp"]},
+#                 "shared":{"type":"boolean"},
+#                 "tenant_id":id_schema,
+#                 "admin_state_up":{"type":"boolean"},
+#                 "vlan":vlan1000_schema
+#             },
+#             "required": ["id"]
+#         }
+#     },
+#     "required": ["network"],
+#     "additionalProperties": False
+# }
+
+
+new_port_response_schema = {
+    "title":"port response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "port":{
+            "type":"object",
+            "properties":{
+                "id":id_schema,
+            },
+            "required": ["id"]
+        }
+    },
+    "required": ["port"],
+    "additionalProperties": False
+}
+
+get_flavor_response_schema = {
+    "title":"openvim flavors response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "flavor":{
+            "type":"object",
+            "properties":{
+                "id":   id_schema,
+                "name": name_schema,
+                "extended": {"type":"object"},
+            },
+            "required": ["id", "name"],
+        }
+    },
+    "required": ["flavor"],
+    "additionalProperties": False
+}
+
+new_flavor_response_schema = {
+    "title":"flavor response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "flavor":{
+            "type":"object",
+            "properties":{
+                "id":id_schema,
+            },
+            "required": ["id"]
+        }
+    },
+    "required": ["flavor"],
+    "additionalProperties": False
+}
+
+new_image_response_schema = {
+    "title":"image response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "image":{
+            "type":"object",
+            "properties":{
+                "id":id_schema,
+            },
+            "required": ["id"]
+        }
+    },
+    "required": ["image"],
+    "additionalProperties": False
+}
+
+new_vminstance_response_schema = {
+    "title":"server response information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "server":{
+            "type":"object",
+            "properties":{
+                "id":id_schema,
+            },
+            "required": ["id"]
+        }
+    },
+    "required": ["server"],
+    "additionalProperties": False
+}
+
+get_processor_rankings_response_schema = {
+    "title":"processor rankings information schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type":"object",
+    "properties":{
+        "rankings":{
+            "type":"array",
+            "items":{
+                "type":"object",
+                "properties":{
+                    "model": description_schema,
+                    "value": integer0_schema
+                },
+                "additionalProperties": False,
+                "required": ["model","value"]
+            }
+        },
+        "additionalProperties": False,
+        "required": ["rankings"]
+    }
+}
+
+class vimconnector(vimconn.vimconnector):
+    def __init__(self, uuid, name, tenant, url, url_admin=None, user=None, passwd=None,debug=True,config={}):
+        vimconn.vimconnector.__init__(self, uuid, name, tenant, url, url_admin, user, passwd, debug, config)
+    
+    def _format_jsonerror(self,http_response):
+        try:
+            data = http_response.json()
+            return data["error"]["description"]
+        except:
+            return http_response.text
+
+    def _format_in(self, http_response, schema):
+        try:
+            client_data = http_response.json()
+            js_v(client_data, schema)
+            #print "Input data: ", str(client_data)
+            return True, client_data
+        except js_e.ValidationError, exc:
+            print "validate_in error, jsonschema exception ", exc.message, "at", exc.path
+            return False, ("validate_in error, jsonschema exception ", exc.message, "at", exc.path)
+    
+    def _remove_extra_items(self, data, schema):
+        deleted=[]
+        if type(data) is tuple or type(data) is list:
+            for d in data:
+                a= self._remove_extra_items(d, schema['items'])
+                if a is not None: deleted.append(a)
+        elif type(data) is dict:
+            for k in data.keys():
+                if 'properties' not in schema or k not in schema['properties'].keys():
+                    del data[k]
+                    deleted.append(k)
+                else:
+                    a = self._remove_extra_items(data[k], schema['properties'][k])
+                    if a is not None:  deleted.append({k:a})
+        if len(deleted) == 0: return None
+        elif len(deleted) == 1: return deleted[0]
+        else: return deleted
+    
+    def new_host(self, host_data):
+        '''Adds a new host to VIM'''
+        '''Returns status code of the VIM response'''
+        print "VIMConnector: Adding a new host"
+        headers_req = {'content-type': 'application/json'}
+        payload_req = host_data
+        try:
+            vim_response = requests.post(self.url_admin+'/hosts', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_host Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+        #print vim_response.json()
+        #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_host_response_schema)
+            #print http_content
+            if res :
+                r = self._remove_extra_items(http_content, new_host_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                host_id = http_content['host']['id']
+                #print "Host id: ",host_id
+                return vim_response.status_code,host_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self.__format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new host. HTTP Response: %d. Error: %s' % (self.url_admin, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+    
+    def new_external_port(self, port_data):
+        '''Adds a external port to VIM'''
+        '''Returns the port identifier'''
+        print "VIMConnector: Adding a new external port"
+        headers_req = {'content-type': 'application/json'}
+        payload_req = port_data
+        try:
+            vim_response = requests.post(self.url_admin+'/ports', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_external_port Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+        #print vim_response.json()
+        #print json.dumps(vim_response.json(), indent=4)
+            res, http_content = self.__format_in(vim_response, new_port_response_schema)
+        #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_port_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                port_id = http_content['port']['id']
+                print "Port id: ",port_id
+                return vim_response.status_code,port_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new external port. HTTP Response: %d. Error: %s' % (self.url_admin, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+        
+    def new_external_network(self,net_name,net_type):
+        '''Adds a external network to VIM (shared)'''
+        '''Returns the network identifier'''
+        print "VIMConnector: Adding external shared network to VIM (type " + net_type + "): "+ net_name
+        
+        headers_req = {'content-type': 'application/json'}
+        payload_req = '{"network":{"name": "' + net_name + '","shared":true,"type": "' + net_type + '"}}'
+        try:
+            vim_response = requests.post(self.url+'/networks', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_external_network Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_network_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_network_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                network_id = http_content['network']['id']
+                print "Network id: ",network_id
+                return vim_response.status_code,network_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new external network. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+        
+    def connect_port_network(self, port_id, network_id, admin=False):
+        '''Connects a external port to a network'''
+        '''Returns status code of the VIM response'''
+        print "VIMConnector: Connecting external port to network"
+        
+        headers_req = {'content-type': 'application/json'}
+        payload_req = '{"port":{"network_id":"' + network_id + '"}}'
+        if admin:
+            if self.url_admin==None:
+                return -vimconn.HTTP_Unauthorized, "datacenter cannot contain  admin URL"
+            url= self.url_admin
+        else:
+            url= self.url
+        try:
+            vim_response = requests.put(url +'/ports/'+port_id, headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "connect_port_network Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_port_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_port_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                port_id = http_content['port']['id']
+                print "Port id: ",port_id
+                return vim_response.status_code,port_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to connect external port to network. HTTP Response: %d. Error: %s' % (self.url_admin, vim_response.status_code, jsonerror)
+            print text
+            return -vim_response.status_code,text
+        
+    def new_tenant(self,tenant_name,tenant_description):
+        '''Adds a new tenant to VIM'''
+        '''Returns the tenant identifier'''
+        print "VIMConnector: Adding a new tenant to VIM"
+        headers_req = {'content-type': 'application/json'}
+        payload_dict = {"tenant": {"name":tenant_name,"description": tenant_description, "enabled": True}}
+        payload_req = json.dumps(payload_dict)
+        #print payload_req
+
+        try:
+            vim_response = requests.post(self.url+'/tenants', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_tenant Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        #print vim_response
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_tenant_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_tenant_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                tenant_id = http_content['tenant']['id']
+                #print "Tenant id: ",tenant_id
+                return vim_response.status_code,tenant_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new tenant. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def delete_tenant(self,tenant_id,):
+        '''Delete a tenant from VIM'''
+        '''Returns the tenant identifier'''
+        print "VIMConnector: Deleting  a  tenant from VIM"
+        headers_req = {'content-type': 'application/json'}
+        try:
+            vim_response = requests.delete(self.url+'/tenants/'+tenant_id, headers = headers_req)
+        except requests.exceptions.RequestException, e:
+            print "delete_tenant Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        #print vim_response
+        if vim_response.status_code == 200:
+            return vim_response.status_code,tenant_id
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to delete tenant. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def new_tenant_network(self,net_name,net_type,public=False, **vim_specific):
+        '''Adds a tenant network to VIM'''
+        '''Returns the network identifier'''
+        print "vim_specific", vim_specific
+        if net_type=="bridge":
+            net_type="bridge_data"
+        print "VIMConnector: Adding a new tenant network to VIM (tenant: " + self.tenant + ", type: " + net_type + "): "+ net_name
+
+        headers_req = {'content-type': 'application/json'}
+        payload_req = {"name": net_name, "type": net_type, "tenant_id": self.tenant, "shared": public}
+        payload_req.update(vim_specific)
+        try:
+            vim_response = requests.post(self.url+'/networks', headers = headers_req, data=json.dumps({"network": payload_req}) )
+        except requests.exceptions.RequestException, e:
+            print "new_tenant_network Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_network_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_network_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                network_id = http_content['network']['id']
+                print "Tenant Network id: ",network_id
+                return vim_response.status_code,network_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new tenant network. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def get_tenant_list(self, filter_dict={}):
+        '''Obtain tenants of VIM
+        Filter_dict can be:
+            name: network name
+            id: network uuid
+        Returns the network list of dictionaries
+        '''
+        print "VIMConnector.get_tenant_list: Getting tenants from VIM (filter: " + str(filter_dict) + "): "
+        filterquery=[]
+        filterquery_text=''
+        for k,v in filter_dict.iteritems():
+            filterquery.append(str(k)+'='+str(v))
+        if len(filterquery)>0:
+            filterquery_text='?'+ '&'.join(filterquery)
+        headers_req = {'content-type': 'application/json'}
+        try:
+            print self.url+'/tenants'+filterquery_text
+            vim_response = requests.get(self.url+'/tenants'+filterquery_text, headers = headers_req)
+        except requests.exceptions.RequestException, e:
+            print "get_tenant_list Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            #TODO: parse input datares,http_content = self._format_in(vim_response, new_network_response_schema)
+            #print http_content
+            return vim_response.status_code, vim_response.json()["tenants"]
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to get tenant list. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+        
+    def get_network_list(self, filter_dict={}):
+        '''Obtain tenant networks of VIM
+        Filter_dict can be:
+            name: network name
+            id: network uuid
+            shared: boolean
+            tenant_id: tenant
+            admin_state_up: boolean
+            status: 'ACTIVE'
+        Returns the network list of dictionaries
+        '''
+        print "VIMConnector.get_network_list: Getting tenant network from VIM (filter: " + str(filter_dict) + "): "
+        filterquery=[]
+        filterquery_text=''
+        for k,v in filter_dict.iteritems():
+            filterquery.append(str(k)+'='+str(v))
+        if len(filterquery)>0:
+            filterquery_text='?'+ '&'.join(filterquery)
+        headers_req = {'content-type': 'application/json'}
+        try:
+            print self.url+'/networks'+filterquery_text
+            vim_response = requests.get(self.url+'/networks'+filterquery_text, headers = headers_req)
+        except requests.exceptions.RequestException, e:
+            print "get_network_list Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            #TODO: parse input datares,http_content = self._format_in(vim_response, new_network_response_schema)
+            #print http_content
+            return vim_response.status_code, vim_response.json()["networks"]
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to get network list. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def get_tenant_network(self, net_id, tenant_id=None):
+        '''Obtain tenant networks of VIM'''
+        '''Returns the network information from a network id'''
+        if self.debug:
+            print "VIMconnector.get_tenant_network(): Getting tenant network %s from VIM" % net_id
+        filter_dict={"id": net_id}
+        if tenant_id:
+            filter_dict["tenant_id"] = tenant_id
+        r, net_list = self.get_network_list(filter_dict)
+        if r<0:
+            return r, net_list
+        if len(net_list)==0:
+            return -vimconn.HTTP_Not_Found, "Network '%s' not found" % net_id
+        elif len(net_list)>1:
+            return -vimconn.HTTP_Conflict, "Found more than one network with this criteria"
+        return 1, net_list[0]
+
+    def delete_tenant_network(self, net_id):
+        '''Deletes a tenant network from VIM'''
+        '''Returns the network identifier'''
+        print "VIMConnector: Deleting a new tenant network from VIM tenant: " + self.tenant + ", id: " + net_id
+
+        headers_req = {'content-type': 'application/json'}
+        try:
+            vim_response = requests.delete(self.url+'/networks/'+net_id, headers=headers_req)
+        except requests.exceptions.RequestException, e:
+            print "delete_tenant_network Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+                return vim_response.status_code,net_id
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to delete tenant network. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def refresh_tenant_network(self, net_id):
+        '''Refreshes the status of the tenant network'''
+        '''Returns: 0 if no error,
+                    <0 if error'''
+        return 0
+
+    def get_tenant_flavor(self, flavor_id):
+        '''Obtain flavor details from the  VIM
+            Returns the flavor dict details
+        '''
+        print "VIMConnector: Getting flavor from VIM"
+        #print "VIM URL:",self.url
+        #print "Tenant id:",self.tenant
+        #print "Flavor:",flavor_data
+        headers_req = {'content-type': 'application/json'}
+        try:
+            vim_response = requests.get(self.url+'/'+self.tenant+'/flavors/'+flavor_id, headers = headers_req)
+        except requests.exceptions.RequestException, e:
+            print "get_tenant_flavor Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, get_flavor_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, get_flavor_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                flavor_id = http_content['flavor']['id']
+                print "Flavor id: ",flavor_id
+                return vim_response.status_code,flavor_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to get flavor. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text    
+        
+    def new_tenant_flavor(self, flavor_data):
+        '''Adds a tenant flavor to VIM'''
+        '''Returns the flavor identifier'''
+        print "VIMConnector: Adding a new flavor to VIM"
+        #print "VIM URL:",self.url
+        #print "Tenant id:",self.tenant
+        #print "Flavor:",flavor_data
+        headers_req = {'content-type': 'application/json'}
+        payload_req = json.dumps({'flavor': flavor_data})
+        try:
+            vim_response = requests.post(self.url+'/'+self.tenant+'/flavors', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_tenant_flavor Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_flavor_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_flavor_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                flavor_id = http_content['flavor']['id']
+                print "Flavor id: ",flavor_id
+                return vim_response.status_code,flavor_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new flavor. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def delete_tenant_flavor(self,flavor_id):
+        '''Deletes a tenant flavor from VIM'''
+        '''Returns the HTTP response code and a message indicating details of the success or fail'''
+        print "VIMConnector: Deleting a flavor from VIM"
+        print "VIM URL:",self.url
+        print "Tenant id:",self.tenant
+        print "Flavor id:",flavor_id
+        #headers_req = {'content-type': 'application/json'}
+        #payload_req = flavor_data
+        try:
+            vim_response = requests.delete(self.url+'/'+self.tenant+'/flavors/'+flavor_id)
+        except requests.exceptions.RequestException, e:
+            print "delete_tenant_flavor Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        print vim_response.status_code
+        if vim_response.status_code == 200:
+            result = vim_response.json()["result"]
+            return 200,result
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to delete flavor. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def new_tenant_image(self,image_dict):
+        '''
+        Adds a tenant image to VIM
+        Returns:
+            200, image-id        if the image is created
+            <0, message          if there is an error
+        '''
+        print "VIMConnector: Adding a new image to VIM", image_dict['location']
+        headers_req = {'content-type': 'application/json'}
+        new_image_dict={'name': image_dict['name']}
+        if 'description' in image_dict and image_dict['description'] != None:
+            new_image_dict['description'] = image_dict['description']
+        if 'metadata' in image_dict and image_dict['metadata'] != None:
+            new_image_dict['metadata'] = yaml.load(image_dict['metadata'])
+        if 'location' in image_dict and image_dict['location'] != None:
+            new_image_dict['path'] = image_dict['location']
+        payload_req = json.dumps({"image":new_image_dict})
+        url=self.url + '/' + self.tenant + '/images'
+        try:
+            vim_response = requests.post(url, headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_tenant_image Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_image_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_image_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                image_id = http_content['image']['id']
+                print "Image id: ",image_id
+                return vim_response.status_code,image_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new image. HTTP Response: %d. Error: %s' % (url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def delete_tenant_image(self, image_id):
+        '''Deletes a tenant image from VIM'''
+        '''Returns the HTTP response code and a message indicating details of the success or fail'''
+        print "VIMConnector: Deleting an image from VIM"
+        #headers_req = {'content-type': 'application/json'}
+        #payload_req = flavor_data
+        url=self.url + '/'+ self.tenant +'/images/'+image_id
+        try:
+            vim_response = requests.delete(url)
+        except requests.exceptions.RequestException, e:
+            print "delete_tenant_image Exception url '%s': " % url, e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        print vim_response.status_code
+        if vim_response.status_code == 200:
+            result = vim_response.json()["result"]
+            return 200,result
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to delete image. HTTP Response: %d. Error: %s' % (url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+        
+    def new_tenant_vminstancefromJSON(self, vm_data):
+        '''Adds a VM instance to VIM'''
+        '''Returns the instance identifier'''
+        print "VIMConnector: Adding a new VM instance from JSON to VIM"
+        headers_req = {'content-type': 'application/json'}
+        payload_req = vm_data
+        try:
+            vim_response = requests.post(self.url+'/'+self.tenant+'/servers', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_tenant_vminstancefromJSON Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print vim_response.json()
+            #print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_image_response_schema)
+            #print http_content
+            if res:
+                r = self._remove_extra_items(http_content, new_image_response_schema)
+                if r is not None: print "Warning: remove extra items ", r
+                #print http_content
+                vminstance_id = http_content['server']['id']
+                print "Tenant image id: ",vminstance_id
+                return vim_response.status_code,vminstance_id
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new vm instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+
+    def new_tenant_vminstance(self,name,description,start,image_id,flavor_id,net_list):
+        '''Adds a VM instance to VIM
+        Params:
+            start: indicates if VM must start or boot in pause mode. Ignored
+            image_id,flavor_id: image and flavor uuid
+            net_list: list of interfaces, each one is a dictionary with:
+                name:
+                net_id: network uuid to connect
+                vpci: virtual vcpi to assign
+                model: interface model, virtio, e2000, ...
+                mac_address: 
+                use: 'data', 'bridge',  'mgmt'
+                type: 'virtual', 'PF', 'VF', 'VFnotShared'
+                vim_id: filled/added by this function
+                #TODO ip, security groups
+        Returns >=0, the instance identifier
+                <0, error_text
+        '''
+        print "VIMConnector: Adding a new VM instance to VIM"
+        headers_req = {'content-type': 'application/json'}
+        
+#         net_list = []
+#         for k,v in net_dict.items():
+#             print k,v
+#             net_list.append('{"name":"' + k + '", "uuid":"' + v + '"}')
+#         net_list_string = ', '.join(net_list) 
+        virtio_net_list=[]
+        for net in net_list:
+            if not net.get("net_id"):
+                continue
+            net_dict={'uuid': net["net_id"]}
+            if net.get("type"):        net_dict["type"] = net["type"]
+            if net.get("name"):        net_dict["name"] = net["name"]
+            if net.get("vpci"):        net_dict["vpci"] = net["vpci"]
+            if net.get("model"):       net_dict["model"] = net["model"]
+            if net.get("mac_address"): net_dict["mac_address"] = net["mac_address"]
+            virtio_net_list.append(net_dict)
+        payload_dict={  "name":        name,
+                        "description": description,
+                        "imageRef":    image_id,
+                        "flavorRef":   flavor_id,
+                        "networks": virtio_net_list
+                    }
+        if start != None:
+            payload_dict["start"] = start
+        payload_req = json.dumps({"server": payload_dict})
+        print self.url+'/'+self.tenant+'/servers'+payload_req
+        try:
+            vim_response = requests.post(self.url+'/'+self.tenant+'/servers', headers = headers_req, data=payload_req)
+        except requests.exceptions.RequestException, e:
+            print "new_tenant_vminstance Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code != 200:
+            print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to add new vm instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+        #ok
+        print vim_response.json()
+        print json.dumps(vim_response.json(), indent=4)
+        res,http_content = self._format_in(vim_response, new_vminstance_response_schema)
+        #print http_content
+        if  not res:
+            return -vimconn.HTTP_Bad_Request,http_content
+        #r = self._remove_extra_items(http_content, new_vminstance_response_schema)
+        #if r is not None: print "Warning: remove extra items ", r
+        vminstance_id = http_content['server']['id']
+        print json.dumps(http_content, indent=4)
+        #connect data plane interfaces to network
+        for net in net_list:
+            if net["type"]=="virtual":
+                if not net.get("net_id"):
+                    continue
+                for iface in http_content['server']['networks']:
+                    if "name" in net:
+                        if net["name"]==iface["name"]:
+                            net["vim_id"] = iface['iface_id']
+                            break
+                    elif "net_id" in net:
+                        if net["net_id"]==iface["net_id"]:
+                            net["vim_id"] = iface['iface_id']
+                            break
+            else: #dataplane
+                for numa in http_content['server'].get('extended',{}).get('numas',() ):
+                    for iface in numa.get('interfaces',() ):
+                        if net['name'] == iface['name']:
+                            net['vim_id'] = iface['iface_id']
+                            #Code bellow is not needed, current openvim connect dataplane interfaces 
+                            #if net.get("net_id"):
+                            ##connect dataplane interface
+                            #    result, port_id = self.connect_port_network(iface['iface_id'], net["net_id"])
+                            #    if result < 0:
+                            #        error_text = "Error attaching port %s to network %s: %s." % (iface['iface_id'], net["net_id"], port_id)
+                            #        print "new_tenant_vminstance: " + error_text
+                            #        self.delete_tenant_vminstance(vminstance_id)
+                            #        return result, error_text
+                            break
+        
+        print "VM instance id: ",vminstance_id
+        return vim_response.status_code,vminstance_id
+        
+    def get_tenant_vminstance(self,vm_id):
+        '''Returns the VM instance information from VIM'''
+        print "VIMConnector: Getting tenant VM instance information from VIM"
+        headers_req = {'content-type': 'application/json'}
+        
+        url = self.url+'/'+self.tenant+'/servers/'+vm_id
+        print url
+        try:
+            vim_response = requests.get(url, headers = headers_req)
+        except requests.exceptions.RequestException, e:
+            print "get_tenant_vminstance Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print vim_response
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            print vim_response.json()
+            print json.dumps(vim_response.json(), indent=4)
+            res,http_content = self._format_in(vim_response, new_vminstance_response_schema)
+            #print http_content
+            if res:
+                print json.dumps(http_content, indent=4)
+                return vim_response.status_code,http_content
+            else: return -vimconn.HTTP_Bad_Request,http_content
+        else:
+            print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to get vm instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code,text
+        
+    def delete_tenant_vminstance(self, vm_id):
+        '''Removes a VM instance from VIM'''
+        '''Returns the instance identifier'''
+        print "VIMConnector: Delete a VM instance from VIM " + vm_id
+        headers_req = {'content-type': 'application/json'}
+        
+        try:
+            vim_response = requests.delete(self.url+'/'+self.tenant+'/servers/'+vm_id, headers = headers_req)
+        except requests.exceptions.RequestException, e:
+            print "delete_tenant_vminstance Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            print json.dumps(vim_response.json(), indent=4)
+            return vim_response.status_code, vm_id
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": not possible to delete vm instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return -vim_response.status_code, text
+
+    def refresh_tenant_vms_and_nets(self, vmDict, netDict):
+        '''Refreshes the status of the dictionaries of VM instances and nets passed as arguments. It modifies the dictionaries'''
+        '''Returns:
+            - result: 0 if all elements could be refreshed (even if its status didn't change)
+                      n>0, the number of elements that couldn't be refreshed,
+                      <0 if error (foreseen)
+            - error_msg: text with reference to possible errors
+        '''
+        #vms_refreshed = []
+        #nets_refreshed = []
+        vms_unrefreshed = []
+        nets_unrefreshed = []
+        for vm_id in vmDict:
+            vmDict[vm_id]={'error_msg':None, 'vim_info':None}
+            print "VIMConnector refresh_tenant_vms and nets: Getting tenant VM instance information from VIM"
+            headers_req = {'content-type': 'application/json'}
+        
+            url = self.url+'/'+self.tenant+'/servers/'+ vm_id
+            print url
+            try:
+                vim_response = requests.get(url, headers = headers_req)
+            except requests.exceptions.RequestException, e:
+                print "VIMConnector refresh_tenant_elements. Exception: ", e.args
+                vmDict[vm_id]['status'] = "VIM_ERROR"
+                vmDict[vm_id]['error_msg'] = str(e)
+                vms_unrefreshed.append(vm_id)
+                continue
+            #print vim_response
+            #print vim_response.status_code
+            if vim_response.status_code == 200:
+                #print vim_response.json()
+                #print json.dumps(vim_response.json(), indent=4)
+                management_ip = False
+                res,http_content = self._format_in(vim_response, new_vminstance_response_schema)
+                if res:
+                    try:
+                        vmDict[vm_id]['status'] = vmStatus2manoFormat[ http_content['server']['status']  ]
+                        if http_content['server'].get('last_error'):
+                            vmDict[vm_id]['error_msg'] = http_content['server']['last_error']
+                        vmDict[vm_id]["vim_info"] = yaml.safe_dump(http_content['server'])
+                        vmDict[vm_id]["interfaces"]=[]
+                        #get interfaces info
+                        url2 = self.url+'/ports?device_id='+ vm_id
+                        try:
+                            vim_response2 = requests.get(url2, headers = headers_req)
+                            if vim_response.status_code == 200:
+                                client_data = vim_response2.json()
+                                for port in client_data.get("ports"):
+                                    print "VACAport", port
+                                    interface={}
+                                    interface['vim_info']  = yaml.safe_dump(port)
+                                    interface["mac_address"] = port.get("mac_address")
+                                    interface["vim_net_id"] = port["network_id"]
+                                    interface["vim_interface_id"] = port["id"]
+                                    interface["ip_address"] = port.get("ip_address")
+                                    if interface["ip_address"]:
+                                        management_ip = True
+                                    if interface["ip_address"] == "0.0.0.0":
+                                        interface["ip_address"] = None
+                                    vmDict[vm_id]["interfaces"].append(interface)
+                                
+                        except Exception as e:
+                            print "VIMConnector refresh_tenant_elements. Port get %s: %s", (type(e).__name__, (str(e) if len(e.args)==0 else str(e.args[0])))
+
+                        if vmDict[vm_id]['status'] == "ACTIVE" and not management_ip:
+                            vmDict[vm_id]['status'] = "ACTIVE:NoMgmtIP"
+                        
+                    except Exception as e:
+                        vmDict[vm_id]['status'] = "VIM_ERROR"
+                        vmDict[vm_id]['error_msg'] = str(e)
+                        vms_unrefreshed.append(vm_id)
+                else:
+                    vmDict[vm_id]['status'] = "VIM_ERROR"
+                    vmDict[vm_id]['error_msg'] = str(http_content)
+                    vms_unrefreshed.append(vm_id)
+            else:
+                #print vim_response.text
+                jsonerror = self._format_jsonerror(vim_response)
+                print 'VIMConnector refresh_tenant_vms_and_nets. Error in VIM "%s": not possible to get VM instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+                if vim_response.status_code == 404: # HTTP_Not_Found
+                    vmDict[vm_id]['status'] = "DELETED"
+                else:
+                    vmDict[vm_id]['status'] = "VIM_ERROR"
+                    vmDict[vm_id]['error_msg'] = jsonerror
+                    vms_unrefreshed.append(vm_id)
+        
+        #print "VMs refreshed: %s" % str(vms_refreshed)
+        for net_id in netDict:
+            netDict[net_id] = {'error_msg':None, 'vim_info':None}
+            print "VIMConnector refresh_tenant_vms_and_nets: Getting tenant network from VIM (tenant: " + str(self.tenant) + "): "
+            headers_req = {'content-type': 'application/json'}
+            r,c = self.get_tenant_network(net_id)
+            if r<0:
+                print "VIMconnector refresh_tenant_network. Error getting net_id '%s' status: %s" % (net_id, c)
+                if r==-vimconn.HTTP_Not_Found:
+                    netDict[net_id]['status'] = "DELETED" #TODO check exit status
+                else:
+                    netDict[net_id]['status'] = "VIM_ERROR"
+                    netDict[net_id]['error_msg'] = c
+                    nets_unrefreshed.append(net_id)
+            else:
+                try: 
+                    net_status = netStatus2manoFormat[ c['status'] ]
+                    if net_status == "ACTIVE" and not c['admin_state_up']:
+                        net_status = "DOWN"
+                    netDict[net_id]['status'] = net_status
+                    if c.get('last_error'):
+                        netDict[net_id]['error_msg'] = c['last_error']
+                    netDict[net_id]["vim_info"] = yaml.safe_dump(c)
+                except Exception as e:
+                    netDict[net_id]['status'] = "VIM_ERROR"
+                    netDict[net_id]['error_msg'] = str(e)
+                    nets_unrefreshed.append(net_id)
+
+        #print "Nets refreshed: %s" % str(nets_refreshed)
+        
+        error_msg=""
+        if len(vms_unrefreshed)+len(nets_unrefreshed)>0:
+            error_msg += "VMs unrefreshed: " + str(vms_unrefreshed) + "; nets unrefreshed: " + str(nets_unrefreshed)
+            print error_msg
+
+        #return len(vms_unrefreshed)+len(nets_unrefreshed), error_msg, vms_refreshed, nets_refreshed
+        return len(vms_unrefreshed)+len(nets_unrefreshed), error_msg
+    
+    def action_tenant_vminstance(self, vm_id, action_dict):
+        '''Send and action over a VM instance from VIM'''
+        '''Returns the status'''
+        print "VIMConnector: Action over VM instance from VIM " + vm_id
+        headers_req = {'content-type': 'application/json'}
+        
+        try:
+            if "console" in action_dict:
+                return -vimconn.HTTP_Service_Unavailable, "getting console is not available at openvim"
+            
+            vim_response = requests.post(self.url+'/'+self.tenant+'/servers/'+vm_id+"/action", headers = headers_req, data=json.dumps(action_dict) )
+        except requests.exceptions.RequestException, e:
+            print "action_tenant_vminstance Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+
+        #print vim_response.status_code
+        if vim_response.status_code == 200:
+            #print "vimconnector.action_tenant_vminstance():", json.dumps(vim_response.json(), indent=4)
+            return vim_response.status_code, vm_id
+        else:
+            #print vim_response.text
+            jsonerror = self._format_jsonerror(vim_response)
+            text = 'Error in VIM "%s": action over vm instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
+            #print text
+            return vim_response.status_code, text
+        
+    def host_vim2gui(self, host, server_dict):
+        '''Transform host dictionary from VIM format to GUI format,
+        and append to the server_dict
+        '''
+        if type(server_dict) is not dict: 
+            print 'vimconnector.host_vim2gui() ERROR, param server_dict must be a dictionary'
+            return
+        RAD={}
+        occupation={}
+        for numa in host['host']['numas']:
+            RAD_item={}
+            occupation_item={}
+            #memory
+            RAD_item['memory']={'size': str(numa['memory'])+'GB', 'eligible': str(numa['hugepages'])+'GB'}
+            occupation_item['memory']= str(numa['hugepages_consumed'])+'GB'
+            #cpus
+            RAD_item['cpus']={}
+            RAD_item['cpus']['cores'] = []
+            RAD_item['cpus']['eligible_cores'] = []
+            occupation_item['cores']=[]
+            for _ in range(0, len(numa['cores']) / 2):
+                RAD_item['cpus']['cores'].append( [] )
+            for core in numa['cores']:
+                RAD_item['cpus']['cores'][core['core_id']].append(core['thread_id'])
+                if not 'status' in core: RAD_item['cpus']['eligible_cores'].append(core['thread_id'])
+                if 'instance_id' in core: occupation_item['cores'].append(core['thread_id'])
+            #ports
+            RAD_item['ports']={}
+            occupation_item['ports']={}
+            for iface in numa['interfaces']:
+                RAD_item['ports'][ iface['pci'] ] = 'speed:'+str(iface['Mbps'])+'M'
+                occupation_item['ports'][ iface['pci'] ] = { 'occupied': str(100*iface['Mbps_consumed'] / iface['Mbps']) + "%" }
+                
+            RAD[ numa['numa_socket'] ] = RAD_item
+            occupation[ numa['numa_socket'] ] = occupation_item
+        server_dict[ host['host']['name'] ] = {'RAD':RAD, 'occupation':occupation}
+
+    def get_hosts_info(self):
+        '''Get the information of deployed hosts
+        Returns the hosts content'''
+    #obtain hosts list
+        url=self.url+'/hosts'
+        try:
+            vim_response = requests.get(url)
+        except requests.exceptions.RequestException, e:
+            print "get_hosts_info Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
+        #print vim_response.status_code
+        #print json.dumps(vim_response.json(), indent=4)
+        if vim_response.status_code != 200:
+            #TODO: get error
+            print 'vimconnector.get_hosts_info error getting host list %d %s' %(vim_response.status_code, vim_response.json())
+            return -vim_response.status_code, "Error getting host list"
+        
+        res,hosts = self._format_in(vim_response, get_hosts_response_schema)
+            
+        if res==False:
+            print "vimconnector.get_hosts_info error parsing GET HOSTS vim response", hosts
+            return vimconn.HTTP_Internal_Server_Error, hosts
+    #obtain hosts details
+        hosts_dict={}
+        for host in hosts['hosts']:
+            url=self.url+'/hosts/'+host['id']
+            try:
+                vim_response = requests.get(url)
+            except requests.exceptions.RequestException, e:
+                print "get_hosts_info Exception: ", e.args
+                return -vimconn.HTTP_Not_Found, str(e.args[0])
+            print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
+            if vim_response.status_code != 200:
+                print 'vimconnector.get_hosts_info error getting detailed host %d %s' %(vim_response.status_code, vim_response.json())
+                continue
+            res,host_detail = self._format_in(vim_response, get_host_detail_response_schema)
+            if res==False:
+                print "vimconnector.get_hosts_info error parsing GET HOSTS/%s vim response" % host['id'], host_detail
+                continue
+            #print 'host id '+host['id'], json.dumps(host_detail, indent=4)
+            self.host_vim2gui(host_detail, hosts_dict)
+        return 200, hosts_dict
+
+    def get_hosts(self, vim_tenant):
+        '''Get the hosts and deployed instances
+        Returns the hosts content'''
+    #obtain hosts list
+        url=self.url+'/hosts'
+        try:
+            vim_response = requests.get(url)
+        except requests.exceptions.RequestException, e:
+            print "get_hosts Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
+        #print vim_response.status_code
+        #print json.dumps(vim_response.json(), indent=4)
+        if vim_response.status_code != 200:
+            #TODO: get error
+            print 'vimconnector.get_hosts error getting host list %d %s' %(vim_response.status_code, vim_response.json())
+            return -vim_response.status_code, "Error getting host list"
+        
+        res,hosts = self._format_in(vim_response, get_hosts_response_schema)
+            
+        if res==False:
+            print "vimconnector.get_host error parsing GET HOSTS vim response", hosts
+            return vimconn.HTTP_Internal_Server_Error, hosts
+    #obtain instances from hosts
+        for host in hosts['hosts']:
+            url=self.url+'/' + vim_tenant + '/servers?hostId='+host['id']
+            try:
+                vim_response = requests.get(url)
+            except requests.exceptions.RequestException, e:
+                print "get_hosts Exception: ", e.args
+                return -vimconn.HTTP_Not_Found, str(e.args[0])
+            print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
+            if vim_response.status_code != 200:
+                print 'vimconnector.get_hosts error getting instances at host %d %s' %(vim_response.status_code, vim_response.json())
+                continue
+            res,servers = self._format_in(vim_response, get_server_response_schema)
+            if res==False:
+                print "vimconnector.get_host error parsing GET SERVERS/%s vim response" % host['id'], servers
+                continue
+            #print 'host id '+host['id'], json.dumps(host_detail, indent=4)
+            host['instances'] = servers['servers']
+        return 200, hosts['hosts']
+
+    def get_processor_rankings(self):
+        '''Get the processor rankings in the VIM database'''
+        url=self.url+'/processor_ranking'
+        try:
+            vim_response = requests.get(url)
+        except requests.exceptions.RequestException, e:
+            print "get_processor_rankings Exception: ", e.args
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print "vim get", url, "response:", vim_response.status_code, vim_response.json()
+        #print vim_response.status_code
+        #print json.dumps(vim_response.json(), indent=4)
+        if vim_response.status_code != 200:
+            #TODO: get error
+            print 'vimconnector.get_processor_rankings error getting processor rankings %d %s' %(vim_response.status_code, vim_response.json())
+            return -vim_response.status_code, "Error getting processor rankings"
+        
+        res,rankings = self._format_in(vim_response, get_processor_rankings_response_schema)
+        return res, rankings['rankings']
+    
+    def get_image_id_from_path(self, path):
+        '''Get the image id from image path in the VIM database'''
+        '''Returns:
+             0,"Image not found"   if there are no images with that path
+             1,image-id            if there is one image with that path
+             <0,message            if there was an error (Image not found, error contacting VIM, more than 1 image with that path, etc.) 
+        '''
+        url=self.url + '/' + self.tenant + '/images?path='+path
+        try:
+            vim_response = requests.get(url)
+        except requests.exceptions.RequestException, e:
+            print "get_image_id_from_path url='%s'Exception: '%s'" % (url, str(e.args))
+            return -vimconn.HTTP_Not_Found, str(e.args[0])
+        print "vim get_image_id_from_path", url, "response:", vim_response.status_code, vim_response.json()
+        #print vim_response.status_code
+        #print json.dumps(vim_response.json(), indent=4)
+        if vim_response.status_code != 200:
+            #TODO: get error
+            print 'vimconnector.get_image_id_from_path error getting image id from path. Error code: %d Description: %s' %(vim_response.status_code, vim_response.json())
+            return -vim_response.status_code, "Error getting image id from path"
+        
+        res,image = self._format_in(vim_response, get_images_response_schema)
+        if not res:
+            print "vimconnector.get_image_id_from_path error"
+            return -vimconn.HTTP_Bad_Request, image
+        if len(image['images'])==0:
+            return 0,"Image not found"
+        elif len(image['images'])>1:
+            print "vimconnector.get_image_id_from_path error. More than one images with the path %s." %(path)
+            return -vimconn.HTTP_Internal_Server_Error,"More than one images with that path"
+        return 1, image['images'][0]['id']
+        
+