X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=PLC%2FInterfaces.py;h=0e6c7287f9121be74a7ee01a7f2f41064b0828ac;hb=79d959a7decd4af5b0b15e660bb3bd5bb5edfcaf;hp=bd933cd4b44e09bc8311672c7104160ac04ba012;hpb=f5cd72e35593c96b9996ab4e49674cccc7525c48;p=plcapi.git diff --git a/PLC/Interfaces.py b/PLC/Interfaces.py index bd933cd..0e6c728 100644 --- a/PLC/Interfaces.py +++ b/PLC/Interfaces.py @@ -4,9 +4,6 @@ # Mark Huang # Copyright (C) 2006 The Trustees of Princeton University # -# $Id$ -# $URL$ -# from types import StringTypes import socket @@ -21,25 +18,49 @@ from PLC.NetworkTypes import NetworkType, NetworkTypes from PLC.NetworkMethods import NetworkMethod, NetworkMethods import PLC.Nodes -def valid_ip(ip): +def valid_ipv4(ip): try: ip = socket.inet_ntoa(socket.inet_aton(ip)) return True except socket.error: return False -def in_same_network(address1, address2, netmask): +def valid_ipv6(ip): + try: + ip = socket.inet_ntop(socket.AF_INET6, socket.inet_pton(socket.AF_INET6, ip)) + return True + except socket.error: + return False + +def valid_ip(ip): + return valid_ipv4(ip) or valid_ipv6(ip) + +def in_same_network_ipv4(address1, address2, netmask): """ Returns True if two IPv4 addresses are in the same network. Faults if an address is invalid. """ - address1 = struct.unpack('>L', socket.inet_aton(address1))[0] address2 = struct.unpack('>L', socket.inet_aton(address2))[0] netmask = struct.unpack('>L', socket.inet_aton(netmask))[0] return (address1 & netmask) == (address2 & netmask) +def in_same_network_ipv6(address1, address2, netmask): + """ + Returns True if two IPv6 addresses are in the same network. Faults + if an address is invalid. + """ + address1 = struct.unpack('>2Q', socket.inet_pton(socket.AF_INET6, address1))[0] + address2 = struct.unpack('>2Q', socket.inet_pton(socket.AF_INET6, address2))[0] + netmask = struct.unpack('>2Q', socket.inet_pton(socket.AF_INET6, netmask))[0] + + return (address1 & netmask) == (address2 & netmask) + +def in_same_network(address1, address2, netmask): + return in_same_network_ipv4(address1, address2, netmask) or \ + in_same_network_ipv6(address1, address2, netmask) + class Interface(Row): """ Representation of a row in the interfaces table. To use, optionally @@ -67,6 +88,7 @@ class Interface(Row): 'node_id': Parameter(int, "Node associated with this interface"), 'is_primary': Parameter(bool, "Is the primary interface for this node"), 'interface_tag_ids' : Parameter([int], "List of interface settings"), + 'last_updated': Parameter(int, "Date and time when node entry was created", ro = True), } view_tags_name = "view_interface_tags" @@ -76,13 +98,13 @@ class Interface(Row): network_methods = [row['method'] for row in NetworkMethods(self.api)] if method not in network_methods: raise PLCInvalidArgument, "Invalid addressing method %s"%method - return method + return method def validate_type(self, type): network_types = [row['type'] for row in NetworkTypes(self.api)] if type not in network_types: raise PLCInvalidArgument, "Invalid address type %s"%type - return type + return type def validate_ip(self, ip): if ip and not valid_ip(ip): @@ -116,13 +138,13 @@ class Interface(Row): validate_dns2 = validate_ip def validate_bwlimit(self, bwlimit): - if not bwlimit: - return bwlimit + if not bwlimit: + return bwlimit - if bwlimit < 500000: - raise PLCInvalidArgument, 'Minimum bw is 500 kbs' + if bwlimit < 500000: + raise PLCInvalidArgument, 'Minimum bw is 500 kbs' - return bwlimit + return bwlimit def validate_hostname(self, hostname): # Optional @@ -186,29 +208,59 @@ class Interface(Row): # DHCP! elif method == "static": - if 'is_primary' in self and self['is_primary'] is True: + if self['type'] == 'ipv4': for key in ['gateway', 'dns1']: if key not in self or not self[key]: - raise PLCInvalidArgument, "For static method primary network, %s is required" % key + if 'is_primary' in self and self['is_primary'] is True: + raise PLCInvalidArgument, "For static method primary network, %s is required" % key + else: + globals()[key] = self[key] + for key in ['ip', 'network', 'broadcast', 'netmask']: + if key not in self or not self[key]: + raise PLCInvalidArgument, "For static method, %s is required" % key + globals()[key] = self[key] + if not in_same_network(ip, network, netmask): + raise PLCInvalidArgument, "IP address %s is inconsistent with network %s/%s" % \ + (ip, network, netmask) + if not in_same_network(broadcast, network, netmask): + raise PLCInvalidArgument, "Broadcast address %s is inconsistent with network %s/%s" % \ + (broadcast, network, netmask) + if 'gateway' in globals() and not in_same_network(ip, gateway, netmask): + raise PLCInvalidArgument, "Gateway %s is not reachable from %s/%s" % \ + (gateway, ip, netmask) + elif self['type'] == 'ipv6': + for key in ['ip', 'gateway']: + if key not in self or not self[key]: + raise PLCInvalidArgument, "For static ipv6 method, %s is required" % key globals()[key] = self[key] - for key in ['ip', 'network', 'broadcast', 'netmask']: - if key not in self or not self[key]: - raise PLCInvalidArgument, "For static method, %s is required" % key - globals()[key] = self[key] - if not in_same_network(ip, network, netmask): - raise PLCInvalidArgument, "IP address %s is inconsistent with network %s/%s" % \ - (ip, network, netmask) - if not in_same_network(broadcast, network, netmask): - raise PLCInvalidArgument, "Broadcast address %s is inconsistent with network %s/%s" % \ - (broadcast, network, netmask) - if 'gateway' in globals() and not in_same_network(ip, gateway, netmask): - raise PLCInvalidArgument, "Gateway %s is not reachable from %s/%s" % \ - (gateway, ip, netmask) - elif method == "ipmi": if 'ip' not in self or not self['ip']: raise PLCInvalidArgument, "For ipmi method, ip is required" + validate_last_updated = Row.validate_timestamp + + def update_timestamp(self, col_name, commit = True): + """ + Update col_name field with current time + """ + + assert 'interface_id' in self + assert self.table_name + + self.api.db.do("UPDATE %s SET %s = CURRENT_TIMESTAMP " % (self.table_name, col_name) + \ + " where interface_id = %d" % (self['interface_id']) ) + self.sync(commit) + + def update_last_updated(self, commit = True): + self.update_timestamp('last_updated', commit) + + def delete(self,commit=True): + ### need to cleanup ilinks + self.api.db.do("DELETE FROM ilink WHERE src_interface_id=%d OR dst_interface_id=%d" % \ + (self['interface_id'],self['interface_id'])) + + Row.delete(self) + class Interfaces(Table): """ Representation of row(s) from the interfaces table in the @@ -224,7 +276,7 @@ class Interfaces(Table): for tagname in self.tag_columns: view= "%s left join %s using (%s)"%(view,Interface.tagvalue_view_name(tagname), Interface.primary_key) - + sql = "SELECT %s FROM %s WHERE True" % \ (", ".join(self.columns.keys()+self.tag_columns.keys()),view)