+++ /dev/null
-#!/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 module interact with the openvim database,
-It implements general table management
-and complex writings 'transactional' sures,
-that is, or all is changed or nothing
-'''
-
-__author__="Alfonso Tierno"
-__date__ ="$10-jul-2014 12:07:15$"
-
-import MySQLdb as mdb
-import uuid as myUuid
-import auxiliary_functions as af
-import json
-import logging
-from netaddr import IPNetwork, IPSet, IPRange, all_matching_cidrs
-
-HTTP_Bad_Request = 400
-HTTP_Unauthorized = 401
-HTTP_Not_Found = 404
-HTTP_Method_Not_Allowed = 405
-HTTP_Request_Timeout = 408
-HTTP_Conflict = 409
-HTTP_Service_Unavailable = 503
-HTTP_Internal_Server_Error = 500
-
-
-class vim_db():
- def __init__(self, vlan_range, logger_name= None, debug=None):
- '''vlan_range must be a tuple (vlan_ini, vlan_end) with available vlan values for networks
- every dataplane network contain a unique value, regardless of it is used or not
- '''
- #initialization
- self.net_vlan_range = vlan_range
- self.net_vlan_usedlist = None
- self.net_vlan_lastused = self.net_vlan_range[0] -1
- self.debug=debug
- if logger_name:
- self.logger_name = logger_name
- else:
- self.logger_name = 'openvim.db'
- self.logger = logging.getLogger(self.logger_name)
- if debug:
- self.logger.setLevel( getattr(logging, debug) )
-
-
- def connect(self, host=None, user=None, passwd=None, database=None):
- '''Connect to the concrete data base.
- The first time a valid host, user, passwd and database must be provided,
- Following calls can skip this parameters
- '''
- try:
- if host is not None: self.host = host
- if user is not None: self.user = user
- if passwd is not None: self.passwd = passwd
- if database is not None: self.database = database
-
- self.con = mdb.connect(self.host, self.user, self.passwd, self.database)
- self.logger.debug("connected to DB %s at %s@%s", self.database,self.user, self.host)
- return 0
- except mdb.Error as e:
- self.logger.error("Cannot connect to DB %s at %s@%s Error %d: %s", self.database, self.user, self.host, e.args[0], e.args[1])
- return -1
-
- def get_db_version(self):
- ''' Obtain the database schema version.
- Return: (negative, text) if error or version 0.0 where schema_version table is missing
- (version_int, version_text) if ok
- '''
- cmd = "SELECT version_int,version,openvim_ver FROM schema_version"
- for retry_ in range(0,2):
- try:
- with self.con:
- self.cur = self.con.cursor()
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- rows = self.cur.fetchall()
- highest_version_int=0
- highest_version=""
- #print rows
- for row in rows: #look for the latest version
- if row[0]>highest_version_int:
- highest_version_int, highest_version = row[0:2]
- return highest_version_int, highest_version
- except (mdb.Error, AttributeError) as e:
- self.logger.error("get_db_version DB Exception %d: %s. Command %s",e.args[0], e.args[1], cmd)
- r,c = self.format_error(e)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def disconnect(self):
- '''disconnect from the data base'''
- try:
- self.con.close()
- del self.con
- except mdb.Error as e:
- self.logger.error("while disconnecting from DB: Error %d: %s",e.args[0], e.args[1])
- return -1
- except AttributeError as e: #self.con not defined
- if e[0][-5:] == "'con'": return -1, "Database internal error, no connection."
- else: raise
-
- def format_error(self, e, func, cmd, command=None, extra=None):
- '''Creates a text error base on the produced exception
- Params:
- e: mdb exception
- func: name of the function that makes the call, for logging purposes
- cmd: database command that produce the exception
- command: if the intention is update or delete
- extra: extra information to add to some commands
- Return
- HTTP error in negative, formatted error text
- '''
-
- self.logger.error("%s DB Exception %s. Command %s",func, str(e), cmd)
- if type(e[0]) is str:
- if e[0][-5:] == "'con'": return -HTTP_Internal_Server_Error, "DB Exception, no connection."
- else: raise
- if e.args[0]==2006 or e.args[0]==2013 : #MySQL server has gone away (((or))) Exception 2013: Lost connection to MySQL server during query
- #reconnect
- self.connect()
- return -HTTP_Request_Timeout,"Database reconnection. Try Again"
- fk=e.args[1].find("foreign key constraint fails")
- if fk>=0:
- if command=="update": return -HTTP_Bad_Request, "tenant_id %s not found." % extra
- elif command=="delete": return -HTTP_Bad_Request, "Resource is not free. There are %s that prevent its deletion." % extra
- de = e.args[1].find("Duplicate entry")
- fk = e.args[1].find("for key")
- uk = e.args[1].find("Unknown column")
- wc = e.args[1].find("in 'where clause'")
- fl = e.args[1].find("in 'field list'")
- #print de, fk, uk, wc,fl
- if de>=0:
- if fk>=0: #error 1062
- return -HTTP_Conflict, "Value %s already in use for %s" % (e.args[1][de+15:fk], e.args[1][fk+7:])
- if uk>=0:
- if wc>=0:
- return -HTTP_Bad_Request, "Field %s cannot be used for filtering" % e.args[1][uk+14:wc]
- if fl>=0:
- return -HTTP_Bad_Request, "Field %s does not exist" % e.args[1][uk+14:wc]
- return -HTTP_Internal_Server_Error, "Database internal Error %d: %s" % (e.args[0], e.args[1])
-
- def __data2db_format(self, data):
- '''convert data to database format. If data is None it return the 'Null' text,
- otherwise it return the text surrounded by quotes ensuring internal quotes are escaped'''
- if data==None:
- return 'Null'
- out=str(data)
- if "'" not in out:
- return "'" + out + "'"
- elif '"' not in out:
- return '"' + out + '"'
- else:
- return json.dumps(out)
-
- def __get_used_net_vlan(self):
- #get used from database if needed
- try:
- cmd = "SELECT vlan FROM nets WHERE vlan>='%s' ORDER BY vlan LIMIT 25" % self.net_vlan_lastused
- with self.con:
- self.cur = self.con.cursor()
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- vlan_tuple = self.cur.fetchall()
- #convert a tuple of tuples in a list of numbers
- self.net_vlan_usedlist = []
- for k in vlan_tuple:
- self.net_vlan_usedlist.append(k[0])
- return 0
- except (mdb.Error, AttributeError) as e:
- return self.format_error(e, "get_free_net_vlan", cmd)
-
- def get_free_net_vlan(self):
- '''obtain a vlan not used in any net'''
-
- while True:
- self.logger.debug("net_vlan_lastused:%d net_vlan_range:%d-%d net_vlan_usedlist:%s",
- self.net_vlan_lastused, self.net_vlan_range[0], self.net_vlan_range[1], str(self.net_vlan_usedlist))
- self.net_vlan_lastused += 1
- if self.net_vlan_lastused == self.net_vlan_range[1]:
- #start from the begining
- self.net_vlan_lastused = self.net_vlan_range[0]
- self.net_vlan_usedlist = None
- if self.net_vlan_usedlist is None \
- or (len(self.net_vlan_usedlist)>0 and self.net_vlan_lastused >= self.net_vlan_usedlist[-1] and len(self.net_vlan_usedlist)==25):
- r = self.__get_used_net_vlan()
- if r<0: return r
- self.logger.debug("new net_vlan_usedlist %s", str(self.net_vlan_usedlist))
- if self.net_vlan_lastused in self.net_vlan_usedlist:
- continue
- else:
- return self.net_vlan_lastused
-
- def get_table(self, **sql_dict):
- ''' Obtain rows from a table.
- Atribure sql_dir: dictionary with the following key: value
- 'SELECT': [list of fields to retrieve] (by default all)
- 'FROM': string of table name (Mandatory)
- 'WHERE': dict of key:values, translated to key=value AND ... (Optional)
- 'WHERE_NOT': dict of key:values, translated to key!=value AND ... (Optional)
- 'WHERE_OR': dict of key:values, translated to key=value OR ... (Optional)
- 'WHERE_AND_OR: str 'AND' or 'OR'(by default) mark the priority to 'WHERE AND (WHERE_OR)' or (WHERE) OR WHERE_OR' (Optional)
- 'LIMIT': limit of number of rows (Optional)
- 'DISTINCT': make a select distinct to remove repeated elements
- Return: a list with dictionarys at each row
- '''
- #print sql_dict
- select_ = "SELECT "
- if sql_dict.get("DISTINCT"):
- select_ += "DISTINCT "
- select_ += ("*" if not sql_dict.get('SELECT') else ",".join(map(str,sql_dict['SELECT'])) )
- #print 'select_', select_
- from_ = "FROM " + str(sql_dict['FROM'])
- #print 'from_', from_
-
- where_and = None
- where_or = None
- w = sql_dict.get('WHERE')
- if w:
- where_and = " AND ".join(map( lambda x: str(x) + (" is Null" if w[x] is None else "='"+str(w[x])+"'"), w.keys()) )
- w = sql_dict.get('WHERE_NOT')
- if w:
- where_and_not = " AND ".join(map( lambda x: str(x) + (" is not Null" if w[x] is None else "!='"+str(w[x])+"'"), w.keys()) )
- if where_and:
- where_and += " AND " + where_and_not
- else:
- where_and = where_and_not
- w = sql_dict.get('WHERE_OR')
- if w:
- where_or = " OR ".join(map( lambda x: str(x) + (" is Null" if w[x] is None else "='"+str(w[x])+"'"), w.keys()) )
-
- if where_and!=None and where_or!=None:
- if sql_dict.get("WHERE_AND_OR") == "AND":
- where_ = "WHERE " + where_and + " AND (" + where_or + ")"
- else:
- where_ = "WHERE (" + where_and + ") OR " + where_or
- elif where_and!=None and where_or==None:
- where_ = "WHERE " + where_and
- elif where_and==None and where_or!=None:
- where_ = "WHERE " + where_or
- else:
- where_ = ""
- #print 'where_', where_
- limit_ = "LIMIT " + str(sql_dict['LIMIT']) if sql_dict.get("LIMIT") else ""
- #print 'limit_', limit_
- cmd = " ".join( (select_, from_, where_, limit_) )
- for retry_ in range(0,2):
- try:
- with self.con:
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- rows = self.cur.fetchall()
- return self.cur.rowcount, rows
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "get_table", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_tenant(self, tenant_dict):
- ''' Add one row into a table.
- Attribure
- tenant_dict: dictionary with the key: value to insert
- It checks presence of uuid and add one automatically otherwise
- Return: (result, uuid) where result can be 0 if error, or 1 if ok
- '''
- for retry_ in range(0,2):
- cmd=""
- inserted=-1
- try:
- #create uuid if not provided
- if 'uuid' not in tenant_dict:
- uuid = tenant_dict['uuid'] = str(myUuid.uuid1()) # create_uuid
- else:
- uuid = str(tenant_dict['uuid'])
- #obtain tenant_id for logs
- tenant_id = uuid
- with self.con:
- self.cur = self.con.cursor()
- #inserting new uuid
- cmd = "INSERT INTO uuids (uuid, used_at) VALUES ('%s','tenants')" % uuid
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #insert tenant
- cmd= "INSERT INTO tenants (" + \
- ",".join(map(str, tenant_dict.keys() )) + ") VALUES(" + \
- ",".join(map(lambda x: "Null" if x is None else "'"+str(x)+"'",tenant_dict.values() )) + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- inserted = self.cur.rowcount
- ##inserting new log
- #del tenant_dict['uuid'] # not interested for the log
- #cmd = "INSERT INTO logs (related,level,tenant_id,uuid,description) VALUES ('tenants','debug','%s','%s',\"new tenant %s\")" % (uuid, tenant_id, str(tenant_dict))
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
- #commit transaction
- self.cur.close()
- if inserted == 0: return 0, uuid
- with self.con:
- self.cur = self.con.cursor()
- #adding public flavors
- cmd = "INSERT INTO tenants_flavors(flavor_id,tenant_id) SELECT uuid as flavor_id,'"+ tenant_id + "' FROM flavors WHERE public = 'yes'"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- self.logger.debug("attached public flavors: %s", str(self.cur.rowcount))
- #rows = self.cur.fetchall()
- #for row in rows:
- # cmd = "INSERT INTO tenants_flavors(flavor_id,tenant_id) VALUES('%s','%s')" % (row[0], tenant_id)
- # self.cur.execute(cmd )
- #adding public images
- cmd = "INSERT INTO tenants_images(image_id,tenant_id) SELECT uuid as image_id,'"+ tenant_id + "' FROM images WHERE public = 'yes'"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- self.logger.debug("attached public images: %s", str(self.cur.rowcount))
- return 1, uuid
- except (mdb.Error, AttributeError) as e:
- if inserted==1:
- self.logger.warning("new_tenant DB Exception %d: %s. Command %s",e.args[0], e.args[1], cmd)
- return 1, uuid
- else:
- r,c = self.format_error(e, "new_tenant", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_row(self, table, INSERT, add_uuid=False, log=False):
- ''' Add one row into a table.
- Atribure
- INSERT: dictionary with the key: value to insert
- table: table where to insert
- add_uuid: if True, it will crated an uuid key entry at INSERT if not provided
- It checks presence of uuid and add one automatically otherwise
- Return: (result, uuid) where result can be 0 if error, or 1 if ok
- '''
- for retry_ in range(0,2):
- cmd=""
- try:
- if add_uuid:
- #create uuid if not provided
- if 'uuid' not in INSERT:
- uuid = INSERT['uuid'] = str(myUuid.uuid1()) # create_uuid
- else:
- uuid = str(INSERT['uuid'])
- else:
- uuid=None
- with self.con:
- self.cur = self.con.cursor()
- if add_uuid:
- #inserting new uuid
- cmd = "INSERT INTO uuids (uuid, used_at) VALUES ('%s','%s')" % (uuid, table)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #insertion
- cmd= "INSERT INTO " + table +" (" + \
- ",".join(map(str, INSERT.keys() )) + ") VALUES(" + \
- ",".join(map(lambda x: 'Null' if x is None else "'"+str(x)+"'", INSERT.values() )) + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- nb_rows = self.cur.rowcount
- #inserting new log
- #if nb_rows > 0 and log:
- # if add_uuid: del INSERT['uuid']
- # #obtain tenant_id for logs
- # if 'tenant_id' in INSERT:
- # tenant_id = INSERT['tenant_id']
- # del INSERT['tenant_id']
- # elif table == 'tenants':
- # tenant_id = uuid
- # else:
- # tenant_id = None
- # if uuid is None: uuid_k = uuid_v = ""
- # else: uuid_k=",uuid"; uuid_v=",'" + str(uuid) + "'"
- # if tenant_id is None: tenant_k = tenant_v = ""
- # else: tenant_k=",tenant_id"; tenant_v=",'" + str(tenant_id) + "'"
- # cmd = "INSERT INTO logs (related,level%s%s,description) VALUES ('%s','debug'%s%s,\"new %s %s\")" \
- # % (uuid_k, tenant_k, table, uuid_v, tenant_v, table[:-1], str(INSERT))
- # self.logger.debug(cmd)
- # self.cur.execute(cmd)
- return nb_rows, uuid
-
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "new_row", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def __remove_quotes(self, data):
- '''remove single quotes ' of any string content of data dictionary'''
- for k,v in data.items():
- if type(v) == str:
- if "'" in v:
- data[k] = data[k].replace("'","_")
-
- def _update_rows_internal(self, table, UPDATE, WHERE={}):
- cmd= "UPDATE " + table +" SET " + \
- ",".join(map(lambda x: str(x)+'='+ self.__data2db_format(UPDATE[x]), UPDATE.keys() ));
- if WHERE:
- cmd += " WHERE " + " and ".join(map(lambda x: str(x)+ (' is Null' if WHERE[x] is None else"='"+str(WHERE[x])+"'" ), WHERE.keys() ))
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- nb_rows = self.cur.rowcount
- return nb_rows, None
-
- def update_rows(self, table, UPDATE, WHERE={}, log=False):
- ''' Update one or several rows into a table.
- Atributes
- UPDATE: dictionary with the key-new_value pairs to change
- table: table to be modified
- WHERE: dictionary to filter target rows, key-value
- log: if true, a log entry is added at logs table
- Return: (result, None) where result indicates the number of updated files
- '''
- for retry_ in range(0,2):
- cmd=""
- try:
- #gettting uuid
- uuid = WHERE.get('uuid')
-
- with self.con:
- self.cur = self.con.cursor()
- cmd= "UPDATE " + table +" SET " + \
- ",".join(map(lambda x: str(x)+'='+ self.__data2db_format(UPDATE[x]), UPDATE.keys() ));
- if WHERE:
- cmd += " WHERE " + " and ".join(map(lambda x: str(x)+ (' is Null' if WHERE[x] is None else"='"+str(WHERE[x])+"'" ), WHERE.keys() ))
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- nb_rows = self.cur.rowcount
- #if nb_rows > 0 and log:
- # #inserting new log
- # if uuid is None: uuid_k = uuid_v = ""
- # else: uuid_k=",uuid"; uuid_v=",'" + str(uuid) + "'"
- # cmd = "INSERT INTO logs (related,level%s,description) VALUES ('%s','debug'%s,\"updating %d entry %s\")" \
- # % (uuid_k, table, uuid_v, nb_rows, (str(UPDATE)).replace('"','-') )
- # self.logger.debug(cmd)
- # self.cur.execute(cmd)
- return nb_rows, uuid
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "update_rows", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def get_host(self, host_id):
- if af.check_valid_uuid(host_id):
- where_filter="uuid='" + host_id + "'"
- else:
- where_filter="name='" + host_id + "'"
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- #get HOST
- cmd = "SELECT uuid, user, name, ip_name, description, ranking, admin_state_up, DATE_FORMAT(created_at,'%Y-%m-%dT%H:%i:%s') as created_at \
- FROM hosts WHERE " + where_filter
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount == 0 :
- return 0, "host '" + str(host_id) +"'not found."
- elif self.cur.rowcount > 1 :
- return 0, "host '" + str(host_id) +"' matches more than one result."
- host = self.cur.fetchone()
- host_id = host['uuid']
- #get numa
- cmd = "SELECT id, numa_socket, hugepages, memory, admin_state_up FROM numas WHERE host_id = '" + str(host_id) + "'"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- host['numas'] = self.cur.fetchall()
- for numa in host['numas']:
- #print "SELECT core_id, instance_id, status, thread_id, v_thread_id FROM resources_core WHERE numa_id = '" + str(numa['id']) + "'"
- #get cores
- cmd = "SELECT core_id, instance_id, status, thread_id, v_thread_id FROM resources_core WHERE numa_id = '" + str(numa['id']) + "'"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- numa['cores'] = self.cur.fetchall()
- for core in numa['cores']:
- if core['instance_id'] == None: del core['instance_id'], core['v_thread_id']
- if core['status'] == 'ok': del core['status']
- #get used memory
- cmd = "SELECT sum(consumed) as hugepages_consumed FROM resources_mem WHERE numa_id = '" + str(numa['id']) + "' GROUP BY numa_id"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- used = self.cur.fetchone()
- used_= int(used['hugepages_consumed']) if used != None else 0
- numa['hugepages_consumed'] = used_
- #get ports
- #cmd = "CALL GetPortsFromNuma(%s)'" % str(numa['id'])
- #self.cur.callproc('GetPortsFromNuma', (numa['id'],) )
- #every time a Procedure is launched you need to close and open the cursor
- #under Error 2014: Commands out of sync; you can't run this command now
- #self.cur.close()
- #self.cur = self.con.cursor(mdb.cursors.DictCursor)
- cmd="SELECT Mbps, pci, status, Mbps_used, instance_id, if(id=root_id,'PF','VF') as type_,\
- switch_port, switch_dpid, mac, source_name\
- FROM resources_port WHERE numa_id=%d ORDER BY root_id, type_ DESC" % (numa['id'])
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ifaces = self.cur.fetchall()
- #The SQL query will ensure to have SRIOV interfaces from a port first
- sriovs=[]
- Mpbs_consumed = 0
- numa['interfaces'] = []
- for iface in ifaces:
- if not iface["instance_id"]:
- del iface["instance_id"]
- if iface['status'] == 'ok':
- del iface['status']
- Mpbs_consumed += int(iface["Mbps_used"])
- del iface["Mbps_used"]
- if iface["type_"]=='PF':
- if not iface["switch_dpid"]:
- del iface["switch_dpid"]
- if not iface["switch_port"]:
- del iface["switch_port"]
- if sriovs:
- iface["sriovs"] = sriovs
- if Mpbs_consumed:
- iface["Mpbs_consumed"] = Mpbs_consumed
- del iface["type_"]
- numa['interfaces'].append(iface)
- sriovs=[]
- Mpbs_consumed = 0
- else: #VF, SRIOV
- del iface["switch_port"]
- del iface["switch_dpid"]
- del iface["type_"]
- del iface["Mbps"]
- sriovs.append(iface)
-
- #delete internal field
- del numa['id']
- return 1, host
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "get_host", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_uuid(self):
- max_retries=10
- while max_retries>0:
- uuid = str( myUuid.uuid1() )
- if self.check_uuid(uuid)[0] == 0:
- return uuid
- max_retries-=1
- return uuid
-
- def check_uuid(self, uuid):
- '''check in the database if this uuid is already present'''
- try:
- cmd = "SELECT * FROM uuids where uuid='" + str(uuid) + "'"
- with self.con:
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- rows = self.cur.fetchall()
- return self.cur.rowcount, rows
- except (mdb.Error, AttributeError) as e:
- return self.format_error(e, "check_uuid", cmd)
-
- def __get_next_ids(self):
- '''get next auto increment index of all table in the database'''
- self.cur.execute("SELECT table_name,AUTO_INCREMENT FROM information_schema.tables WHERE AUTO_INCREMENT IS NOT NULL AND table_schema = DATABASE()")
- rows = self.cur.fetchall()
- return self.cur.rowcount, dict(rows)
-
- def edit_host(self, host_id, host_dict):
- #get next port index
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
-
- #update table host
- numa_list = host_dict.pop('numas', () )
- if host_dict:
- self._update_rows_internal("hosts", host_dict, {"uuid": host_id})
-
- where = {"host_id": host_id}
- for numa_dict in numa_list:
- where["numa_socket"] = str(numa_dict.pop('numa_socket'))
- interface_list = numa_dict.pop('interfaces', () )
- if numa_dict:
- self._update_rows_internal("numas", numa_dict, where)
- for interface in interface_list:
- source_name = str(interface.pop("source_name") )
- if interface:
- #get interface id from resources_port
- cmd= "SELECT rp.id as id FROM resources_port as rp join numas as n on n.id=rp.numa_id join hosts as h on h.uuid=n.host_id " +\
- "WHERE host_id='%s' and rp.source_name='%s'" %(host_id, source_name)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- row = self.cur.fetchone()
- if self.cur.rowcount<=0:
- return -HTTP_Bad_Request, "Interface source_name='%s' from numa_socket='%s' not found" % (source_name, str(where["numa_socket"]))
- interface_id = row[0]
- self._update_rows_internal("resources_port", interface, {"root_id": interface_id})
- return self.get_host(host_id)
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "edit_host", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_host(self, host_dict):
- #get next port index
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
-
- result, next_ids = self.__get_next_ids()
- #print "next_ids: " + str(next_ids)
- if result <= 0: return result, "Internal DataBase error getting next id of tables"
-
- #create uuid if not provided
- if 'uuid' not in host_dict:
- uuid = host_dict['uuid'] = str(myUuid.uuid1()) # create_uuid
- else: #check uuid is valid
- uuid = str(host_dict['uuid'])
- # result, data = self.check_uuid(uuid)
- # if (result == 1):
- # return -1, "UUID '%s' already in use" % uuid
-
- #inserting new uuid
- cmd = "INSERT INTO uuids (uuid, used_at) VALUES ('%s','hosts')" % uuid
- self.logger.debug(cmd)
- result = self.cur.execute(cmd)
-
- #insert in table host
- numa_list = host_dict.pop('numas', [])
- #get nonhupages and nonisolated cpus
- host_dict['RAM']=0
- host_dict['cpus']=0
- for numa in numa_list:
- mem_numa = numa.get('memory', 0) - numa.get('hugepages',0)
- if mem_numa>0:
- host_dict['RAM'] += mem_numa
- for core in numa.get("cores", []):
- if "status" in core and core["status"]=="noteligible":
- host_dict['cpus']+=1
- host_dict['RAM']*=1024 # from GB to MB
-
- keys = ",".join(host_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", host_dict.values() ) )
- cmd = "INSERT INTO hosts (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- result = self.cur.execute(cmd)
- #if result != 1: return -1, "Database Error while inserting at hosts table"
-
- #insert numas
- nb_numas = nb_cores = nb_ifaces = 0
- for numa_dict in numa_list:
- nb_numas += 1
- interface_list = numa_dict.pop('interfaces', [])
- core_list = numa_dict.pop('cores', [])
- numa_dict['id'] = next_ids['numas']; next_ids['numas'] += 1
- numa_dict['host_id'] = uuid
- keys = ",".join(numa_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", numa_dict.values() ) )
- cmd = "INSERT INTO numas (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- result = self.cur.execute(cmd)
-
- #insert cores
- for core_dict in core_list:
- nb_cores += 1
- core_dict['numa_id'] = numa_dict['id']
- keys = ",".join(core_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", core_dict.values() ) )
- cmd = "INSERT INTO resources_core (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- result = self.cur.execute(cmd)
-
- #insert ports
- for port_dict in interface_list:
- nb_ifaces += 1
- sriov_list = port_dict.pop('sriovs', [])
- port_dict['numa_id'] = numa_dict['id']
- port_dict['id'] = port_dict['root_id'] = next_ids['resources_port']
- next_ids['resources_port'] += 1
- switch_port = port_dict.get('switch_port', None)
- switch_dpid = port_dict.get('switch_dpid', None)
- keys = ",".join(port_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", port_dict.values() ) )
- cmd = "INSERT INTO resources_port (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- result = self.cur.execute(cmd)
-
- #insert sriovs into port table
- for sriov_dict in sriov_list:
- sriov_dict['switch_port'] = switch_port
- sriov_dict['switch_dpid'] = switch_dpid
- sriov_dict['numa_id'] = port_dict['numa_id']
- sriov_dict['Mbps'] = port_dict['Mbps']
- sriov_dict['root_id'] = port_dict['id']
- sriov_dict['id'] = next_ids['resources_port']
- if "vlan" in sriov_dict:
- del sriov_dict["vlan"]
- next_ids['resources_port'] += 1
- keys = ",".join(sriov_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", sriov_dict.values() ) )
- cmd = "INSERT INTO resources_port (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- result = self.cur.execute(cmd)
-
- #inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid,description) VALUES ('hosts','debug','%s','new host: %d numas, %d theads, %d ifaces')" % (uuid, nb_numas, nb_cores, nb_ifaces)
- #self.logger.debug(cmd)
- #result = self.cur.execute(cmd)
-
- #inseted ok
- with self.con:
- self.cur = self.con.cursor()
- self.logger.debug("callproc('UpdateSwitchPort', () )")
- self.cur.callproc('UpdateSwitchPort', () )
-
- self.logger.debug("getting host '%s'",str(host_dict['uuid']))
- return self.get_host(host_dict['uuid'])
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "new_host", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_flavor(self, flavor_dict, tenant_id ):
- '''Add new flavor into the database. Create uuid if not provided
- Atributes
- flavor_dict: flavor dictionary with the key: value to insert. Must be valid flavors columns
- tenant_id: if not 'any', it matches this flavor/tenant inserting at tenants_flavors table
- Return: (result, data) where result can be
- negative: error at inserting. data contain text
- 1, inserted, data contain inserted uuid flavor
- '''
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
-
- #create uuid if not provided
- if 'uuid' not in flavor_dict:
- uuid = flavor_dict['uuid'] = str(myUuid.uuid1()) # create_uuid
- else: #check uuid is valid
- uuid = str(flavor_dict['uuid'])
- # result, data = self.check_uuid(uuid)
- # if (result == 1):
- # return -1, "UUID '%s' already in use" % uuid
-
- #inserting new uuid
- cmd = "INSERT INTO uuids (uuid, used_at) VALUES ('%s','flavors')" % uuid
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- #insert in table flavor
- keys = ",".join(flavor_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", flavor_dict.values() ) )
- cmd = "INSERT INTO flavors (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #if result != 1: return -1, "Database Error while inserting at flavors table"
-
- #insert tenants_flavors
- if tenant_id != 'any':
- cmd = "INSERT INTO tenants_flavors (tenant_id,flavor_id) VALUES ('%s','%s')" % (tenant_id, uuid)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- #inserting new log
- #del flavor_dict['uuid']
- #if 'extended' in flavor_dict: del flavor_dict['extended'] #remove two many information
- #cmd = "INSERT INTO logs (related,level,uuid, tenant_id, description) VALUES ('flavors','debug','%s','%s',\"new flavor: %s\")" \
- # % (uuid, tenant_id, str(flavor_dict))
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
-
- #inseted ok
- return 1, uuid
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "new_flavor", cmd, "update", tenant_id)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_image(self, image_dict, tenant_id):
- '''Add new image into the database. Create uuid if not provided
- Atributes
- image_dict: image dictionary with the key: value to insert. Must be valid images columns
- tenant_id: if not 'any', it matches this image/tenant inserting at tenants_images table
- Return: (result, data) where result can be
- negative: error at inserting. data contain text
- 1, inserted, data contain inserted uuid image
- '''
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
-
- #create uuid if not provided
- if 'uuid' not in image_dict:
- uuid = image_dict['uuid'] = str(myUuid.uuid1()) # create_uuid
- else: #check uuid is valid
- uuid = str(image_dict['uuid'])
- # result, data = self.check_uuid(uuid)
- # if (result == 1):
- # return -1, "UUID '%s' already in use" % uuid
-
- #inserting new uuid
- cmd = "INSERT INTO uuids (uuid, used_at) VALUES ('%s','images')" % uuid
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- #insert in table image
- keys = ",".join(image_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", image_dict.values() ) )
- cmd = "INSERT INTO images (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #if result != 1: return -1, "Database Error while inserting at images table"
-
- #insert tenants_images
- if tenant_id != 'any':
- cmd = "INSERT INTO tenants_images (tenant_id,image_id) VALUES ('%s','%s')" % (tenant_id, uuid)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- ##inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid, tenant_id, description) VALUES ('images','debug','%s','%s',\"new image: %s path: %s\")" % (uuid, tenant_id, image_dict['name'], image_dict['path'])
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
-
- #inseted ok
- return 1, uuid
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "new_image", cmd, "update", tenant_id)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def delete_image_flavor(self, item_type, item_id, tenant_id):
- '''deletes an image or flavor from database
- item_type must be a 'image' or 'flavor'
- item_id is the uuid
- tenant_id is the asociated tenant, can be 'any' with means all
- If tenan_id is not any, it deletes from tenants_images/flavors,
- which means this image/flavor is used by this tenant, and if success,
- it tries to delete from images/flavors in case this is not public,
- that only will success if image is private and not used by other tenants
- If tenant_id is any, it tries to delete from both tables at the same transaction
- so that image/flavor is completely deleted from all tenants or nothing
- '''
- for retry_ in range(0,2):
- deleted = -1
- deleted_item = -1
- result = (-HTTP_Internal_Server_Error, "internal error")
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
- cmd = "DELETE FROM tenants_%ss WHERE %s_id = '%s'" % (item_type, item_type, item_id)
- if tenant_id != 'any':
- cmd += " AND tenant_id = '%s'" % tenant_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- deleted = self.cur.rowcount
- if tenant_id == 'any': #delete from images/flavors in the SAME transaction
- cmd = "DELETE FROM %ss WHERE uuid = '%s'" % (item_type, item_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- deleted = self.cur.rowcount
- if deleted>=1:
- #delete uuid
- cmd = "DELETE FROM uuids WHERE uuid = '%s'" % item_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ##inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid,tenant_id,description) \
- # VALUES ('%ss','debug','%s','%s','delete %s completely')" % \
- # (item_type, item_id, tenant_id, item_type)
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
- return deleted, "%s '%s' completely deleted" % (item_type, item_id)
- return 0, "%s '%s' not found" % (item_type, item_id)
-
- if deleted == 1:
- ##inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid,tenant_id,description) \
- # VALUES ('%ss','debug','%s','%s','delete %s reference for this tenant')" % \
- # (item_type, item_id, tenant_id, item_type)
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
-
- #commit transaction
- self.cur.close()
- #if tenant!=any delete from images/flavors in OTHER transaction. If fails is because dependencies so that not return error
- if deleted==1:
- with self.con:
- self.cur = self.con.cursor()
-
- #delete image/flavor if not public
- cmd = "DELETE FROM %ss WHERE uuid = '%s' AND public = 'no'" % (item_type, item_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- deleted_item = self.cur.rowcount
- if deleted_item == 1:
- #delete uuid
- cmd = "DELETE FROM uuids WHERE uuid = '%s'" % item_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ##inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid,tenant_id,description) \
- # VALUES ('%ss','debug','%s','%s','delete %s completely')" % \
- # (item_type, item_id, tenant_id, item_type)
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
- except (mdb.Error, AttributeError) as e:
- #print "delete_%s DB Exception %d: %s" % (item_type, e.args[0], e.args[1])
- if deleted <0:
- result = self.format_error(e, "delete_"+item_type, cmd, "delete", "servers")
- finally:
- if deleted==1:
- return 1, "%s '%s' from tenant '%s' %sdeleted" % \
- (item_type, item_id, tenant_id, "completely " if deleted_item==1 else "")
- elif deleted==0:
- return 0, "%s '%s' from tenant '%s' not found" % (item_type, item_id, tenant_id)
- else:
- if result[0]!=-HTTP_Request_Timeout or retry_==1: return result
-
- def delete_row(self, table, uuid):
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- #delete host
- self.cur = self.con.cursor()
- cmd = "DELETE FROM %s WHERE uuid = '%s'" % (table, uuid)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- deleted = self.cur.rowcount
- if deleted == 1:
- #delete uuid
- if table == 'tenants': tenant_str=uuid
- else: tenant_str='Null'
- self.cur = self.con.cursor()
- cmd = "DELETE FROM uuids WHERE uuid = '%s'" % uuid
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ##inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid,tenant_id,description) VALUES ('%s','debug','%s','%s','delete %s')" % (table, uuid, tenant_str, table[:-1])
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
- return deleted, table[:-1] + " '%s' %s" %(uuid, "deleted" if deleted==1 else "not found")
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "delete_row", cmd, "delete", 'instances' if table=='hosts' or table=='tenants' else 'dependencies')
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def delete_row_by_key(self, table, key, value):
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- #delete host
- self.cur = self.con.cursor()
- cmd = "DELETE FROM %s" % (table)
- if key!=None:
- if value!=None:
- cmd += " WHERE %s = '%s'" % (key, value)
- else:
- cmd += " WHERE %s is null" % (key)
- else: #delete all
- pass
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- deleted = self.cur.rowcount
- if deleted < 1:
- return -1, 'Not found'
- #delete uuid
- return 0, deleted
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "delete_row_by_key", cmd, "delete", 'instances' if table=='hosts' or table=='tenants' else 'dependencies')
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def delete_row_by_dict(self, **sql_dict):
- ''' Deletes rows from a table.
- Attribute sql_dir: dictionary with the following key: value
- 'FROM': string of table name (Mandatory)
- 'WHERE': dict of key:values, translated to key=value AND ... (Optional)
- 'WHERE_NOT': dict of key:values, translated to key<>value AND ... (Optional)
- 'WHERE_NOTNULL': (list or tuple of items that must not be null in a where ... (Optional)
- 'LIMIT': limit of number of rows (Optional)
- Return: the (number of items deleted, descriptive test) if ok; (negative, descriptive text) if error
- '''
- #print sql_dict
- from_ = "FROM " + str(sql_dict['FROM'])
- #print 'from_', from_
- if 'WHERE' in sql_dict and len(sql_dict['WHERE']) > 0:
- w=sql_dict['WHERE']
- where_ = "WHERE " + " AND ".join(map( lambda x: str(x) + (" is Null" if w[x] is None else "='"+str(w[x])+"'"), w.keys()) )
- else: where_ = ""
- if 'WHERE_NOT' in sql_dict and len(sql_dict['WHERE_NOT']) > 0:
- w=sql_dict['WHERE_NOT']
- where_2 = " AND ".join(map( lambda x: str(x) + (" is not Null" if w[x] is None else "<>'"+str(w[x])+"'"), w.keys()) )
- if len(where_)==0: where_ = "WHERE " + where_2
- else: where_ = where_ + " AND " + where_2
- if 'WHERE_NOTNULL' in sql_dict and len(sql_dict['WHERE_NOTNULL']) > 0:
- w=sql_dict['WHERE_NOTNULL']
- where_2 = " AND ".join(map( lambda x: str(x) + " is not Null", w) )
- if len(where_)==0: where_ = "WHERE " + where_2
- else: where_ = where_ + " AND " + where_2
- #print 'where_', where_
- limit_ = "LIMIT " + str(sql_dict['LIMIT']) if 'LIMIT' in sql_dict else ""
- #print 'limit_', limit_
- cmd = " ".join( ("DELETE", from_, where_, limit_) )
- self.logger.debug(cmd)
- for retry_ in range(0,2):
- try:
- with self.con:
- #delete host
- self.cur = self.con.cursor()
- self.cur.execute(cmd)
- deleted = self.cur.rowcount
- return deleted, "%d deleted from %s" % (deleted, sql_dict['FROM'][:-1] )
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "delete_row_by_dict", cmd, "delete", 'dependencies')
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
-
- def get_instance(self, instance_id):
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- #get INSTANCE
- cmd = "SELECT uuid, name, description, progress, host_id, flavor_id, image_id, status, last_error, "\
- "tenant_id, ram, vcpus, created_at FROM instances WHERE uuid='{}'".format(instance_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount == 0 : return 0, "instance '" + str(instance_id) +"'not found."
- instance = self.cur.fetchone()
- #get networks
- cmd = "SELECT uuid as iface_id, net_id, mac as mac_address, ip_address, name, Mbps as bandwidth, "\
- "vpci, model FROM ports WHERE (type='instance:bridge' or type='instance:ovs') AND "\
- "instance_id= '{}'".format(instance_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount > 0 :
- instance['networks'] = self.cur.fetchall()
-
- #get extended
- extended = {}
- #get devices
- cmd = "SELECT type, vpci, image_id, xml,dev FROM instance_devices WHERE instance_id = '%s' " % str(instance_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount > 0 :
- extended['devices'] = self.cur.fetchall()
- #get numas
- numas = []
- cmd = "SELECT id, numa_socket as source FROM numas WHERE host_id = '" + str(instance['host_id']) + "'"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- host_numas = self.cur.fetchall()
- #print 'host_numas', host_numas
- for k in host_numas:
- numa_id = str(k['id'])
- numa_dict ={}
- #get memory
- cmd = "SELECT consumed FROM resources_mem WHERE instance_id = '%s' AND numa_id = '%s'" % ( instance_id, numa_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount > 0:
- mem_dict = self.cur.fetchone()
- numa_dict['memory'] = mem_dict['consumed']
- #get full cores
- cursor2 = self.con.cursor()
- cmd = "SELECT core_id, paired, MIN(v_thread_id) as v1, MAX(v_thread_id) as v2, COUNT(instance_id) as nb, MIN(thread_id) as t1, MAX(thread_id) as t2 FROM resources_core WHERE instance_id = '%s' AND numa_id = '%s' GROUP BY core_id,paired" % ( str(instance_id), numa_id)
- self.logger.debug(cmd)
- cursor2.execute(cmd)
- core_list = []; core_source = []
- paired_list = []; paired_source = []
- thread_list = []; thread_source = []
- if cursor2.rowcount > 0:
- cores = cursor2.fetchall()
- for core in cores:
- if core[4] == 2: #number of used threads from core
- if core[3] == core[2]: #only one thread asigned to VM, so completely core
- core_list.append(core[2])
- core_source.append(core[5])
- elif core[1] == 'Y':
- paired_list.append(core[2:4])
- paired_source.append(core[5:7])
- else:
- thread_list.extend(core[2:4])
- thread_source.extend(core[5:7])
-
- else:
- thread_list.append(core[2])
- thread_source.append(core[5])
- if len(core_list) > 0:
- numa_dict['cores'] = len(core_list)
- numa_dict['cores-id'] = core_list
- numa_dict['cores-source'] = core_source
- if len(paired_list) > 0:
- numa_dict['paired-threads'] = len(paired_list)
- numa_dict['paired-threads-id'] = paired_list
- numa_dict['paired-threads-source'] = paired_source
- if len(thread_list) > 0:
- numa_dict['threads'] = len(thread_list)
- numa_dict['threads-id'] = thread_list
- numa_dict['threads-source'] = thread_source
-
- #get dedicated ports and SRIOV
- cmd = "SELECT port_id as iface_id, p.vlan as vlan, p.mac as mac_address, net_id, if(model='PF',\
- 'yes',if(model='VF','no','yes:sriov')) as dedicated, rp.Mbps as bandwidth, name, vpci, \
- pci as source \
- FROM resources_port as rp join ports as p on port_id=uuid WHERE p.instance_id = '%s' AND numa_id = '%s' and p.type='instance:data'" % (instance_id, numa_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount > 0:
- numa_dict['interfaces'] = self.cur.fetchall()
- #print 'interfaces', numa_dict
-
- if len(numa_dict) > 0 :
- numa_dict['source'] = k['source'] #numa socket
- numas.append(numa_dict)
-
- if len(numas) > 0 : extended['numas'] = numas
- if len(extended) > 0 : instance['extended'] = extended
- af.DeleteNone(instance)
- return 1, instance
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "get_instance", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def get_numas(self, requirements, prefered_host_id=None, only_of_ports=True):
- '''Obtain a valid NUMA/HOST for deployment a VM
- requirements: contain requirement regarding:
- requirements['ram']: Non huge page memory in MB; 0 to skip
- requirements['vcpus']: Non isolated cpus; 0 to skip
- requirements['numa']: Requiremets to be fixed in ONE Numa node
- requirements['numa']['memory']: Huge page memory in GB at ; 0 for any
- requirements['numa']['proc_req_type']: Type of processor, cores or threads
- requirements['numa']['proc_req_nb']: Number of isolated cpus
- requirements['numa']['port_list']: Physical NIC ports list ; [] for any
- requirements['numa']['sriov_list']: Virtual function NIC ports list ; [] for any
- prefered_host_id: if not None return this host if it match
- only_of_ports: if True only those ports conected to the openflow (of) are valid,
- that is, with switch_port information filled; if False, all NIC ports are valid.
- Return a valid numa and host
- '''
-
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
-# #Find numas of prefered host
-# prefered_numas = ()
-# if prefered_host_id != None:
-# self.cur = self.con.cursor()
-# self.cur.execute("SELECT id FROM numas WHERE host_id='%s'" + prefered_host_id)
-# prefered_numas = self.cur.fetchall()
-# self.cur.close()
-
- #Find valid host for the ram and vcpus
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- cmd = "CALL GetHostByMemCpu(%s, %s)" % (str(requirements['ram']), str(requirements['vcpus']))
- self.logger.debug(cmd)
- self.cur.callproc('GetHostByMemCpu', (str(requirements['ram']), str(requirements['vcpus'])) )
- valid_hosts = self.cur.fetchall()
- self.cur.close()
- self.cur = self.con.cursor()
- match_found = False
- if len(valid_hosts)<=0:
- error_text = 'No room at data center. Cannot find a host with %s MB memory and %s cpus available' % (str(requirements['ram']), str(requirements['vcpus']))
- #self.logger.debug(error_text)
- return -1, error_text
-
- #elif req_numa != None:
- #Find valid numa nodes for memory requirements
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- cmd = "CALL GetNumaByMemory(%s)" % str(requirements['numa']['memory'])
- self.logger.debug(cmd)
- self.cur.callproc('GetNumaByMemory', (requirements['numa']['memory'],) )
- valid_for_memory = self.cur.fetchall()
- self.cur.close()
- self.cur = self.con.cursor()
- if len(valid_for_memory)<=0:
- error_text = 'No room at data center. Cannot find a host with %s GB Hugepages memory available' % str(requirements['numa']['memory'])
- #self.logger.debug(error_text)
- return -1, error_text
-
- #Find valid numa nodes for processor requirements
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- if requirements['numa']['proc_req_type'] == 'threads':
- cpu_requirement_text='cpu-threads'
- cmd = "CALL GetNumaByThread(%s)" % str(requirements['numa']['proc_req_nb'])
- self.logger.debug(cmd)
- self.cur.callproc('GetNumaByThread', (requirements['numa']['proc_req_nb'],) )
- else:
- cpu_requirement_text='cpu-cores'
- cmd = "CALL GetNumaByCore(%s)" % str(requirements['numa']['proc_req_nb'])
- self.logger.debug(cmd)
- self.cur.callproc('GetNumaByCore', (requirements['numa']['proc_req_nb'],) )
- valid_for_processor = self.cur.fetchall()
- self.cur.close()
- self.cur = self.con.cursor()
- if len(valid_for_processor)<=0:
- error_text = 'No room at data center. Cannot find a host with %s %s available' % (str(requirements['numa']['proc_req_nb']),cpu_requirement_text)
- #self.logger.debug(error_text)
- return -1, error_text
-
- #Find the numa nodes that comply for memory and processor requirements
- #sorting from less to more memory capacity
- valid_numas = []
- for m_numa in valid_for_memory:
- numa_valid_for_processor = False
- for p_numa in valid_for_processor:
- if m_numa['numa_id'] == p_numa['numa_id']:
- numa_valid_for_processor = True
- break
- numa_valid_for_host = False
- prefered_numa = False
- for p_host in valid_hosts:
- if m_numa['host_id'] == p_host['uuid']:
- numa_valid_for_host = True
- if p_host['uuid'] == prefered_host_id:
- prefered_numa = True
- break
- if numa_valid_for_host and numa_valid_for_processor:
- if prefered_numa:
- valid_numas.insert(0, m_numa['numa_id'])
- else:
- valid_numas.append(m_numa['numa_id'])
- if len(valid_numas)<=0:
- error_text = 'No room at data center. Cannot find a host with %s MB hugepages memory and %s %s available in the same numa' %\
- (requirements['numa']['memory'], str(requirements['numa']['proc_req_nb']),cpu_requirement_text)
- #self.logger.debug(error_text)
- return -1, error_text
-
- # print 'Valid numas list: '+str(valid_numas)
-
- #Find valid numa nodes for interfaces requirements
- #For each valid numa we will obtain the number of available ports and check if these are valid
- match_found = False
- for numa_id in valid_numas:
- # print 'Checking '+str(numa_id)
- match_found = False
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- if only_of_ports:
- cmd="CALL GetAvailablePorts(%s)" % str(numa_id)
- self.logger.debug(cmd)
- self.cur.callproc('GetAvailablePorts', (numa_id,) )
- else:
- cmd="CALL GetAllAvailablePorts(%s)" % str(numa_id)
- self.logger.debug(cmd)
- self.cur.callproc('GetAllAvailablePorts', (numa_id,) )
- available_ports = self.cur.fetchall()
- self.cur.close()
- self.cur = self.con.cursor()
-
- #Set/reset reservations
- for port in available_ports:
- port['Mbps_reserved'] = 0
- port['SRIOV_reserved'] = 0
-
- #Try to allocate physical ports
- physical_ports_found = True
- for iface in requirements['numa']['port_list']:
- # print '\t\tchecking iface: '+str(iface)
- portFound = False
- for port in available_ports:
- # print '\t\t\tfor port: '+str(port)
- #If the port is not empty continue
- if port['Mbps_free'] != port['Mbps'] or port['Mbps_reserved'] != 0:
- # print '\t\t\t\t Not empty port'
- continue;
- #If the port speed is not enough continue
- if port['Mbps'] < iface['bandwidth']:
- # print '\t\t\t\t Not enough speed'
- continue;
-
- #Otherwise this is a valid port
- port['Mbps_reserved'] = port['Mbps']
- port['SRIOV_reserved'] = 0
- iface['port_id'] = port['port_id']
- iface['vlan'] = None
- iface['mac'] = port['mac']
- iface['switch_port'] = port['switch_port']
- # print '\t\t\t\t Dedicated port found '+str(port['port_id'])
- portFound = True
- break;
-
- #if all ports have been checked and no match has been found
- #this is not a valid numa
- if not portFound:
- # print '\t\t\t\t\tAll ports have been checked and no match has been found for numa '+str(numa_id)+'\n\n'
- physical_ports_found = False
- break
-
- #if there is no match continue checking the following numa
- if not physical_ports_found:
- continue
-
- #Try to allocate SR-IOVs
- sriov_ports_found = True
- for iface in requirements['numa']['sriov_list']:
- # print '\t\tchecking iface: '+str(iface)
- portFound = False
- for port in available_ports:
- # print '\t\t\tfor port: '+str(port)
- #If there are not available SR-IOVs continue
- if port['availableSRIOV'] - port['SRIOV_reserved'] <= 0:
- # print '\t\t\t\t Not enough SR-IOV'
- continue;
- #If the port free speed is not enough continue
- if port['Mbps_free'] - port['Mbps_reserved'] < iface['bandwidth']:
- # print '\t\t\t\t Not enough speed'
- continue;
-
- #Otherwise this is a valid port
- port['Mbps_reserved'] += iface['bandwidth']
- port['SRIOV_reserved'] += 1
- # print '\t\t\t\t SR-IOV found '+str(port['port_id'])
- iface['port_id'] = port['port_id']
- iface['vlan'] = None
- iface['mac'] = port['mac']
- iface['switch_port'] = port['switch_port']
- portFound = True
- break;
-
- #if all ports have been checked and no match has been found
- #this is not a valid numa
- if not portFound:
- # print '\t\t\t\t\tAll ports have been checked and no match has been found for numa '+str(numa_id)+'\n\n'
- sriov_ports_found = False
- break
-
- #if there is no match continue checking the following numa
- if not sriov_ports_found:
- continue
-
-
- if sriov_ports_found and physical_ports_found:
- match_found = True
- break
-
- if not match_found:
- error_text = 'No room at data center. Cannot find a host with the required hugepages, vcpus and interfaces'
- #self.logger.debug(error_text)
- return -1, error_text
-
- #self.logger.debug('Full match found in numa %s', str(numa_id))
-
- for numa in valid_for_processor:
- if numa_id==numa['numa_id']:
- host_id=numa['host_id']
- break
- return 0, {'numa_id':numa_id, 'host_id': host_id, }
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "get_numas", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def new_instance(self, instance_dict, nets, ports_to_free):
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
-
- #create uuid if not provided
- if 'uuid' not in instance_dict:
- uuid = instance_dict['uuid'] = str(myUuid.uuid1()) # create_uuid
- else: #check uuid is valid
- uuid = str(instance_dict['uuid'])
-
-
- #inserting new uuid
- cmd = "INSERT INTO uuids (uuid, root_uuid, used_at) VALUES ('%s','%s', 'instances')" % (uuid, uuid)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- #insert in table instance
- extended = instance_dict.pop('extended', None);
- bridgedifaces = instance_dict.pop('bridged-ifaces', () );
-
- keys = ",".join(instance_dict.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", instance_dict.values() ) )
- cmd = "INSERT INTO instances (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #if result != 1: return -1, "Database Error while inserting at instances table"
-
- #insert resources
- nb_bridge_ifaces = nb_cores = nb_ifaces = nb_numas = 0
- #insert bridged_ifaces
-
- for iface in bridgedifaces:
- #generate and insert a iface uuid
- if 'enable_dhcp' in iface and iface['enable_dhcp']:
- dhcp_first_ip = iface["dhcp_first_ip"]
- del iface["dhcp_first_ip"]
- dhcp_last_ip = iface["dhcp_last_ip"]
- del iface["dhcp_last_ip"]
- dhcp_cidr = iface["cidr"]
- del iface["cidr"]
- del iface["enable_dhcp"]
- used_dhcp_ips = self._get_dhcp_ip_used_list(iface["net_id"])
- iface["ip_address"] = self.get_free_ip_from_range(dhcp_first_ip, dhcp_last_ip,
- dhcp_cidr, used_dhcp_ips)
-
- iface['uuid'] = str(myUuid.uuid1()) # create_uuid
- cmd = "INSERT INTO uuids (uuid, root_uuid, used_at) VALUES ('%s','%s', 'ports')" % (iface['uuid'], uuid)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #insert iface
- iface['instance_id'] = uuid
- # iface['type'] = 'instance:bridge'
- if 'name' not in iface: iface['name']="br"+str(nb_bridge_ifaces)
- iface['Mbps']=iface.pop('bandwidth', None)
- if 'mac_address' not in iface:
- iface['mac'] = af.gen_random_mac()
- else:
- iface['mac'] = iface['mac_address']
- del iface['mac_address']
- #iface['mac']=iface.pop('mac_address', None) #for leaving mac generation to libvirt
- keys = ",".join(iface.keys())
- values = ",".join( map(lambda x: "Null" if x is None else "'"+str(x)+"'", iface.values() ) )
- cmd = "INSERT INTO ports (" + keys + ") VALUES (" + values + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- nb_bridge_ifaces += 1
-
- if extended is not None:
- if 'numas' not in extended or extended['numas'] is None: extended['numas'] = ()
- for numa in extended['numas']:
- nb_numas += 1
- #cores
- if 'cores' not in numa or numa['cores'] is None: numa['cores'] = ()
- for core in numa['cores']:
- nb_cores += 1
- cmd = "UPDATE resources_core SET instance_id='%s'%s%s WHERE id='%s'" \
- % (uuid, \
- (",v_thread_id='" + str(core['vthread']) + "'") if 'vthread' in core else '', \
- (",paired='" + core['paired'] + "'") if 'paired' in core else '', \
- core['id'] )
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #interfaces
- if 'interfaces' not in numa or numa['interfaces'] is None: numa['interfaces'] = ()
- for iface in numa['interfaces']:
- #generate and insert an uuid; iface[id]=iface_uuid; iface[uuid]= net_id
- iface['id'] = str(myUuid.uuid1()) # create_uuid
- cmd = "INSERT INTO uuids (uuid, root_uuid, used_at) VALUES ('%s','%s', 'ports')" % (iface['id'], uuid)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- nb_ifaces += 1
- mbps_=("'"+str(iface['Mbps_used'])+"'") if 'Mbps_used' in iface and iface['Mbps_used'] is not None else "Mbps"
- if iface["dedicated"]=="yes":
- iface_model="PF"
- elif iface["dedicated"]=="yes:sriov":
- iface_model="VFnotShared"
- elif iface["dedicated"]=="no":
- iface_model="VF"
- #else error
- INSERT=(iface['mac_address'], iface['switch_port'], iface.get('vlan',None), 'instance:data', iface['Mbps_used'], iface['id'],
- uuid, instance_dict['tenant_id'], iface.get('name',None), iface.get('vpci',None), iface.get('uuid',None), iface_model )
- cmd = "INSERT INTO ports (mac,switch_port,vlan,type,Mbps,uuid,instance_id,tenant_id,name,vpci,net_id, model) " + \
- " VALUES (" + ",".join(map(lambda x: 'Null' if x is None else "'"+str(x)+"'", INSERT )) + ")"
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if 'uuid' in iface:
- nets.append(iface['uuid'])
-
- #discover if this port is not used by anyone
- cmd = "SELECT source_name, mac FROM ( SELECT root_id, count(instance_id) as used FROM resources_port" \
- " WHERE root_id=(SELECT root_id from resources_port WHERE id='%s')"\
- " GROUP BY root_id ) AS A JOIN resources_port as B ON A.root_id=B.id AND A.used=0" % iface['port_id']
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ports_to_free += self.cur.fetchall()
-
- cmd = "UPDATE resources_port SET instance_id='%s', port_id='%s',Mbps_used=%s WHERE id='%s'" \
- % (uuid, iface['id'], mbps_, iface['port_id'])
- #if Mbps_used not suply, set the same value of 'Mpbs', that is the total
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- #memory
- if 'memory' in numa and numa['memory'] is not None and numa['memory']>0:
- cmd = "INSERT INTO resources_mem (numa_id, instance_id, consumed) VALUES ('%s','%s','%s')" % (numa['numa_id'], uuid, numa['memory'])
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if 'devices' not in extended or extended['devices'] is None: extended['devices'] = ()
- for device in extended['devices']:
- if 'vpci' in device: vpci = "'" + device['vpci'] + "'"
- else: vpci = 'Null'
- if 'image_id' in device: image_id = "'" + device['image_id'] + "'"
- else: image_id = 'Null'
- if 'xml' in device: xml = "'" + device['xml'] + "'"
- else: xml = 'Null'
- if 'dev' in device: dev = "'" + device['dev'] + "'"
- else: dev = 'Null'
- cmd = "INSERT INTO instance_devices (type, instance_id, image_id, vpci, xml, dev) VALUES ('%s','%s', %s, %s, %s, %s)" % \
- (device['type'], uuid, image_id, vpci, xml, dev)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ##inserting new log
- #cmd = "INSERT INTO logs (related,level,uuid,description) VALUES ('instances','debug','%s','new instance: %d numas, %d theads, %d ifaces %d bridge_ifaces')" % (uuid, nb_numas, nb_cores, nb_ifaces, nb_bridge_ifaces)
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
-
- #inseted ok
- return 1, uuid
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "new_instance", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def get_free_ip_from_range(self, first_ip, last_ip, cidr, ip_used_list):
- """
- Calculate a free IP from a range given
- :param first_ip: First dhcp ip range
- :param last_ip: Last dhcp ip range
- :param cidr: net cidr
- :param ip_used_list: contain all used ips to avoid ip collisions
- :return:
- """
-
- ip_tools = IPNetwork(cidr)
- cidr_len = ip_tools.prefixlen
- ips = IPNetwork(first_ip + '/' + str(cidr_len))
- ip_used_list.append(str(ips[0])) # first ip
- ip_used_list.append(str(ips[1])) # gw ip
- ip_used_list.append(str(ips[-1])) # broadcast ip
- for vm_ip in ips:
- if str(vm_ip) not in ip_used_list:
- return vm_ip
-
- return None
-
- def _get_dhcp_ip_used_list(self, net_id):
- """
- REtreive from DB all ips already used by the dhcp server for a given net
- :param net_id:
- :return:
- """
- WHERE={'type': 'instance:ovs', 'net_id': net_id}
- for retry_ in range(0, 2):
- cmd = ""
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- select_ = "SELECT uuid, ip_address FROM ports "
-
- if WHERE is None or len(WHERE) == 0:
- where_ = ""
- else:
- where_ = "WHERE " + " AND ".join(
- map(lambda x: str(x) + (" is Null" if WHERE[x] is None else "='" + str(WHERE[x]) + "'"),
- WHERE.keys()))
- limit_ = "LIMIT 100"
- cmd = " ".join((select_, where_, limit_))
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ports = self.cur.fetchall()
- ip_address_list = []
- for port in ports:
- ip_address_list.append(port['ip_address'])
-
- return ip_address_list
-
-
- def delete_instance(self, instance_id, tenant_id, net_dataplane_list, ports_to_free, net_ovs_list, logcause="requested by http"):
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor()
- #get INSTANCE
- cmd = "SELECT uuid FROM instances WHERE uuid='%s' AND tenant_id='%s'" % (instance_id, tenant_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount == 0 : return 0, "instance %s not found in tenant %s" % (instance_id, tenant_id)
-
- #delete bridged ifaces, instace_devices, resources_mem; done by database: it is automatic by Database; FOREIGN KEY DELETE CASCADE
-
- #get nets afected
- cmd = "SELECT DISTINCT net_id from ports WHERE instance_id = '%s' AND net_id is not Null AND type='instance:data'" % instance_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- net_list__ = self.cur.fetchall()
- for net in net_list__:
- net_dataplane_list.append(net[0])
-
- # get ovs manangement nets
- cmd = "SELECT DISTINCT net_id, vlan, ip_address, mac FROM ports WHERE instance_id='{}' AND net_id is not Null AND "\
- "type='instance:ovs'".format(instance_id)
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- net_ovs_list += self.cur.fetchall()
-
- #get dataplane interfaces releases by this VM; both PF and VF with no other VF
- cmd="SELECT source_name, mac FROM (SELECT root_id, count(instance_id) as used FROM resources_port WHERE instance_id='%s' GROUP BY root_id ) AS A" % instance_id \
- + " JOIN (SELECT root_id, count(instance_id) as used FROM resources_port GROUP BY root_id) AS B ON A.root_id=B.root_id AND A.used=B.used"\
- + " JOIN resources_port as C ON A.root_id=C.id"
-# cmd = "SELECT DISTINCT root_id FROM resources_port WHERE instance_id = '%s'" % instance_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ports_to_free += self.cur.fetchall()
-
- #update resources port
- cmd = "UPDATE resources_port SET instance_id=Null, port_id=Null, Mbps_used='0' WHERE instance_id = '%s'" % instance_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
-# #filter dataplane ports used by this VM that now are free
-# for port in ports_list__:
-# cmd = "SELECT mac, count(instance_id) FROM resources_port WHERE root_id = '%s'" % port[0]
-# self.logger.debug(cmd)
-# self.cur.execute(cmd)
-# mac_list__ = self.cur.fetchone()
-# if mac_list__ and mac_list__[1]==0:
-# ports_to_free.append(mac_list__[0])
-
-
- #update resources core
- cmd = "UPDATE resources_core SET instance_id=Null, v_thread_id=Null, paired='N' WHERE instance_id = '%s'" % instance_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- #delete all related uuids
- cmd = "DELETE FROM uuids WHERE root_uuid='%s'" % instance_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
-
- ##insert log
- #cmd = "INSERT INTO logs (related,level,uuid,description) VALUES ('instances','debug','%s','delete instance %s')" % (instance_id, logcause)
- #self.logger.debug(cmd)
- #self.cur.execute(cmd)
-
- #delete instance
- cmd = "DELETE FROM instances WHERE uuid='%s' AND tenant_id='%s'" % (instance_id, tenant_id)
- self.cur.execute(cmd)
- return 1, "instance %s from tenant %s DELETED" % (instance_id, tenant_id)
-
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "delete_instance", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def get_ports(self, WHERE):
- ''' Obtain ports using the WHERE filtering.
- Attributes:
- 'where_': dict of key:values, translated to key=value AND ... (Optional)
- Return: a list with dictionarys at each row
- '''
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
-
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- select_ = "SELECT uuid,'ACTIVE' as status,admin_state_up,name,net_id,\
- tenant_id,type,mac,vlan,switch_port,instance_id,Mbps FROM ports "
-
- if WHERE is None or len(WHERE) == 0: where_ = ""
- else:
- where_ = "WHERE " + " AND ".join(map( lambda x: str(x) + (" is Null" if WHERE[x] is None else "='"+str(WHERE[x])+"'"), WHERE.keys()) )
- limit_ = "LIMIT 100"
- cmd = " ".join( (select_, where_, limit_) )
- # print "SELECT multiple de instance_ifaces, iface_uuid, external_ports" #print cmd
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- ports = self.cur.fetchall()
- if self.cur.rowcount>0: af.DeleteNone(ports)
- return self.cur.rowcount, ports
- # return self.get_table(FROM=from_, SELECT=select_,WHERE=where_,LIMIT=100)
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "get_ports", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
-
- def check_target_net(self, net_id, tenant_id, port_type):
- '''check if valid attachement of a port into a target net
- Attributes:
- net_id: target net uuid
- tenant_id: client where tenant belongs. Not used in this version
- port_type: string with the option 'instance:bridge', 'instance:data', 'external'
- Return:
- (0,net_dict) if ok, where net_dict contain 'uuid','type','vlan', ...
- (negative,string-error) if error
- '''
- for retry_ in range(0,2):
- cmd=""
- try:
- with self.con:
- self.cur = self.con.cursor(mdb.cursors.DictCursor)
- cmd = "SELECT * FROM nets WHERE uuid='%s'" % net_id
- self.logger.debug(cmd)
- self.cur.execute(cmd)
- if self.cur.rowcount == 0 : return -1, "network_id %s does not match any net" % net_id
- net = self.cur.fetchone()
- break
-
- except (mdb.Error, AttributeError) as e:
- r,c = self.format_error(e, "check_target_net", cmd)
- if r!=-HTTP_Request_Timeout or retry_==1: return r,c
- #check permissions
- if tenant_id is not None and tenant_id is not "admin":
- if net['tenant_id']==tenant_id and net['shared']=='false':
- return -1, "needed admin privileges to attach to the net %s" % net_id
- #check types
- if (net['type'] in ('ptp','data') and port_type not in ('instance:data','external')) or \
- (net['type'] in ('bridge_data','bridge_man') and port_type not in ('instance:bridge', 'instance:ovs')):
- return -1, "Cannot attach a port of type %s into a net of type %s" % (port_type, net['type'])
- if net['type'] == 'ptp':
- #look how many
- nb_ports, data = self.get_ports( {'net_id':net_id} )
- if nb_ports<0:
- return -1, data
- else:
- if net['provider']:
- nb_ports +=1
- if nb_ports >=2:
- return -1, "net of type p2p already contain two ports attached. No room for another"
-
- return 0, net
-
-if __name__ == "__main__":
- print "Hello World"
projects / osm / openvim.git / blobdiff