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How to use flush_ipaddr method in avocado
Best Python code snippet using avocado_python
bonding.py
Source:bonding.py 
...86 if 'setup' in str(self.name.name):87 for ipaddr, interface in zip(self.ipaddr, self.host_interfaces):88 networkinterface = NetworkInterface(interface, self.localhost)89 try:90 networkinterface.flush_ipaddr()91 networkinterface.add_ipaddr(ipaddr, self.netmask)92 networkinterface.save(ipaddr, self.netmask)93 except Exception:94 networkinterface.save(ipaddr, self.netmask)95 networkinterface.bring_up()96 for ipaddr, interface in zip(self.peer_first_ipinterface,97 self.peer_interfaces):98 if self.peer_bond_needed:99 self.remotehost = RemoteHost(100 self.peer_public_ip,101 self.user, password=self.password)102 peer_networkinterface = NetworkInterface(interface,103 self.remotehost)104 try:105 peer_networkinterface.flush_ipaddr()106 peer_networkinterface.add_ipaddr(ipaddr, self.netmask)107 peer_networkinterface.save(ipaddr, self.netmask)108 except Exception:109 peer_networkinterface.save(ipaddr, self.netmask)110 networkinterface.bring_up()111 self.miimon = self.params.get("miimon", default="100")112 self.fail_over_mac = self.params.get("fail_over_mac",113 default="2")114 self.downdelay = self.params.get("downdelay", default="0")115 self.bond_name = self.params.get("bond_name", default="tempbond")116 self.net_path = "/sys/class/net/"117 self.bond_status = "/proc/net/bonding/%s" % self.bond_name118 self.bond_dir = os.path.join(self.net_path, self.bond_name)119 self.bonding_slave_file = "%s/bonding/slaves" % self.bond_dir120 self.bonding_masters_file = "%s/bonding_masters" % self.net_path121 self.peer_bond_needed = self.params.get("peer_bond_needed",122 default=False)123 self.peer_wait_time = self.params.get("peer_wait_time", default=20)124 self.sleep_time = int(self.params.get("sleep_time", default=10))125 self.peer_wait_time = self.params.get("peer_wait_time", default=5)126 self.sleep_time = int(self.params.get("sleep_time", default=5))127 self.mtu = self.params.get("mtu", default=1500)128 for root, dirct, files in os.walk("/root/.ssh"):129 for file in files:130 if file.startswith("avocado-master-"):131 path = os.path.join(root, file)132 os.remove(path)133 self.ib = False134 if self.host_interface[0:2] == 'ib':135 self.ib = True136 self.log.info("Bond Test on IB Interface? = %s", self.ib)137 '''138 An individual interface, that has a LACP PF, cannot communicate without139 being bonded. So the test uses the public ip address to create an SSH140 session instead of the private one when setting up a bonding interface.141 '''142 if self.mode == "4" and "setup" in str(self.name.name):143 self.session = Session(self.peer_public_ip, user=self.user,144 password=self.password)145 else:146 self.session = Session(self.peer_first_ipinterface[0], user=self.user,147 password=self.password)148 if not self.session.connect():149 '''150 LACP bond interface takes some time to get it to ping peer after it151 is setup. This code block tries at most 5 times to get it to connect152 to the peer.153 '''154 if self.mode == "4":155 connect = False156 for _ in range(5):157 if self.session.connect():158 connect = True159 self.log.info("Was able to connect to peer.")160 break161 time.sleep(5)162 if not connect:163 self.cancel("failed connecting to peer")164 else:165 self.cancel("failed connecting to peer")166 self.setup_ip()167 self.err = []168 if self.mode == "4" and "setup" in str(self.name.name):169 self.remotehost = RemoteHost(self.peer_public_ip, self.user,170 password=self.password)171 else:172 self.remotehost = RemoteHost(self.peer_first_ipinterface[0], self.user,173 password=self.password)174 if 'setup' in str(self.name.name):175 for interface in self.peer_interfaces:176 peer_networkinterface = NetworkInterface(interface, self.remotehost)177 if peer_networkinterface.set_mtu(self.mtu) is not None:178 self.cancel("Failed to set mtu in peer")179 for host_interface in self.host_interfaces:180 self.networkinterface = NetworkInterface(host_interface, self.localhost)181 if self.networkinterface.set_mtu(self.mtu) is not None:182 self.cancel("Failed to set mtu in host")183 def bond_ib_conf(self, bond_name, arg1, arg2):184 '''185 configure slaves for IB cards186 '''187 cmd = 'ip link set %s up;' % (bond_name)188 if process.system(cmd, shell=True, ignore_status=True) != 0:189 self.fail("unable to bring Bond interface %s up" % bond_name)190 if arg2 == "ATTACH":191 cmd = 'ifenslave %s %s -f;' % (bond_name, arg1)192 else:193 cmd = 'ifenslave %s -d %s ;' % (bond_name, arg1)194 if process.system(cmd, shell=True, ignore_status=True) != 0:195 self.fail("unable to %s IB interface " % arg2)196 def setup_ip(self):197 '''198 set up the IP config199 '''200 if 'setup' in str(self.name):201 interface = self.host_interfaces[0]202 else:203 interface = self.bond_name204 cmd = "ip addr show | grep %s" % self.peer_first_ipinterface[0]205 output = self.session.cmd(cmd)206 result = ""207 result = result.join(output.stdout.decode("utf-8"))208 self.peer_first_interface = result.split()[-1]209 if self.peer_first_interface == "":210 self.fail("test failed because peer interface can not retrieved")211 self.peer_ips = [self.peer_first_ipinterface]212 self.local_ip = netifaces.ifaddresses(interface)[2][0]['addr']213 self.net_mask = []214 stf = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)215 for val1, val2 in zip([interface], [self.local_ip]):216 mask = ""217 if val2:218 tmp = fcntl.ioctl(stf.fileno(), 0x891b,219 struct.pack('256s', val1.encode()))220 mask = socket.inet_ntoa(tmp[20:24]).strip('\n')221 self.net_mask.append(mask)222 cmd = "route -n | grep %s | grep -w UG | awk "\223 "'{ print $2 }'" % interface224 self.gateway = process.system_output(225 '%s' % cmd, shell=True)226 def bond_remove(self, arg1):227 '''228 bond_remove229 '''230 if arg1 == "local":231 self.log.info("Removing Bonding configuration on local machine")232 self.log.info("------------------------------------------------")233 for ifs in self.host_interfaces:234 cmd = "ip link set %s down" % ifs235 if process.system(cmd, shell=True, ignore_status=True) != 0:236 self.log.info("unable to bring down the interface")237 if self.ib:238 self.bond_ib_conf(self.bond_name, ifs, "REMOVE")239 else:240 genio.write_file(self.bonding_slave_file, "-%s" % ifs)241 genio.write_file(self.bonding_masters_file, "-%s" % self.bond_name)242 self.log.info("Removing bonding module")243 linux_modules.unload_module("bonding")244 time.sleep(self.sleep_time)245 else:246 self.log.info("Removing Bonding configuration on Peer machine")247 self.log.info("------------------------------------------------")248 cmd = ''249 cmd += 'ip link set %s down;' % self.bond_name250 for val in self.peer_interfaces:251 cmd += 'ip link set %s down;' % val252 for val in self.peer_interfaces:253 cmd += 'ip addr flush dev %s;' % val254 for val in self.peer_interfaces:255 if self.ib:256 self.bond_ib_conf(self.bond_name, val, "REMOVE")257 else:258 cmd += 'echo "-%s" > %s;' % (val, self.bonding_slave_file)259 cmd += 'echo "-%s" > %s;' % (self.bond_name,260 self.bonding_masters_file)261 cmd += 'rmmod bonding;'262 cmd += 'ip addr add %s/%s dev %s;ip link set %s up;sleep 5;'\263 % (self.peer_first_ipinterface[0], self.net_mask[0],264 self.peer_interfaces[0], self.peer_interfaces[0])265 output = self.session.cmd(cmd)266 if not output.exit_status == 0:267 self.log.info("bond removing command failed in peer machine")268 def ping_check(self):269 '''270 ping check271 '''272 # need some time for specific interface before ping273 time.sleep(10)274 cmd = "ping -I %s %s -c 5"\275 % (self.bond_name, self.peer_first_ipinterface[0])276 if process.system(cmd, shell=True, ignore_status=True) != 0:277 return False278 return True279 def is_vnic(self):280 '''281 check if slave interface is vnic282 '''283 for interface in self.host_interfaces:284 cmd = "lsdevinfo -q name=%s" % interface285 if 'type="IBM,vnic"' in process.system_output(cmd, shell=True).decode("utf-8"):286 return True287 return False288 def bond_fail(self, arg1):289 '''290 bond fail291 '''292 if len(self.host_interfaces) > 1:293 for interface in self.host_interfaces:294 self.log.info("Failing interface %s for mode %s",295 interface, arg1)296 cmd = "ip link set %s down" % interface297 if process.system(cmd, shell=True, ignore_status=True) != 0:298 self.fail("bonding not working when trying to down the\299 interface %s " % interface)300 time.sleep(self.sleep_time)301 if self.ping_check():302 self.log.info("Ping passed for Mode %s", arg1)303 else:304 error_str = "Ping fail in Mode %s when interface %s down"\305 % (arg1, interface)306 self.log.debug(error_str)307 self.err.append(error_str)308 self.log.info(genio.read_file(self.bond_status))309 cmd = "ip link set %s up" % interface310 time.sleep(self.sleep_time)311 if process.system(cmd, shell=True, ignore_status=True) != 0:312 self.fail("Not able to bring up the slave\313 interface %s" % interface)314 time.sleep(self.sleep_time)315 else:316 self.log.debug("Need a min of 2 host interfaces to test\317 slave failover in Bonding")318 self.log.info("\n----------------------------------------")319 self.log.info("Failing all interfaces for mode %s", arg1)320 self.log.info("----------------------------------------")321 for interface in self.host_interfaces:322 cmd = "ip link set %s down" % interface323 if process.system(cmd, shell=True, ignore_status=True) != 0:324 self.fail("Could not bring down the interface %s " % interface)325 time.sleep(self.sleep_time)326 if not self.ping_check():327 self.log.info("Ping to Bond interface failed. This is expected")328 self.log.info(genio.read_file(self.bond_status))329 for interface in self.host_interfaces:330 cmd = "ip link set %s up" % interface331 time.sleep(self.sleep_time)332 if process.system(cmd, shell=True, ignore_status=True) != 0:333 self.fail("Not able to bring up the slave\334 interface %s" % interface)335 time.sleep(self.sleep_time)336 bond_mtu = ['2000', '3000', '4000', '5000', '6000', '7000',337 '8000', '9000']338 if self.is_vnic():339 bond_mtu = ['9000']340 for mtu in bond_mtu:341 self.bond_networkinterface = NetworkInterface(self.bond_name,342 self.localhost)343 if self.bond_networkinterface.set_mtu(mtu) is not None:344 self.cancel("Failed to set mtu in host")345 for interface in self.peer_interfaces:346 peer_networkinterface = NetworkInterface(interface,347 self.remotehost)348 if peer_networkinterface.set_mtu(mtu) is not None:349 self.cancel("Failed to set mtu in peer")350 if not self.ping_check():351 self.fail("Ping fail in mode %s after MTU change to %s" % (self.mode, mtu))352 else:353 self.log.info("Ping success for mode %s bond with MTU %s" % (self.mode, mtu))354 if self.bond_networkinterface.set_mtu('1500'):355 self.cancel("Failed to set mtu back to 1500 in host")356 for interface in self.peer_interfaces:357 peer_networkinterface = NetworkInterface(interface,358 self.remotehost)359 if peer_networkinterface.set_mtu('1500') is not None:360 self.cancel("Failed to set mtu back to 1500 in peer")361 def bond_setup(self, arg1, arg2):362 '''363 bond setup364 '''365 if arg1 == "local":366 self.log.info("Configuring Bonding on Local machine")367 self.log.info("--------------------------------------")368 for ifs in self.host_interfaces:369 cmd = "ip addr flush dev %s" % ifs370 process.system(cmd, shell=True, ignore_status=True)371 for ifs in self.host_interfaces:372 cmd = "ip link set %s down" % ifs373 process.system(cmd, shell=True, ignore_status=True)374 linux_modules.load_module("bonding")375 genio.write_file(self.bonding_masters_file, "+%s" % self.bond_name)376 genio.write_file("%s/bonding/mode" % self.bond_dir, arg2)377 genio.write_file("%s/bonding/miimon" % self.bond_dir,378 self.miimon)379 genio.write_file("%s/bonding/fail_over_mac" % self.bond_dir,380 self.fail_over_mac)381 genio.write_file("%s/bonding/downdelay" % self.bond_dir,382 self.downdelay)383 dict = {'0': ['packets_per_slave', 'resend_igmp'],384 '1': ['num_unsol_na', 'primary', 'primary_reselect',385 'resend_igmp'],386 '2': ['xmit_hash_policy'],387 '4': ['lacp_rate', 'xmit_hash_policy'],388 '5': ['tlb_dynamic_lb', 'primary', 'primary_reselect',389 'resend_igmp', 'xmit_hash_policy', 'lp_interval'],390 '6': ['primary', 'primary_reselect', 'resend_igmp',391 'lp_interval']}392 if self.mode in dict.keys():393 for param in dict[self.mode]:394 param_value = self.params.get(param, default='')395 if param_value:396 genio.write_file("%s/bonding/%s"397 % (self.bond_dir, param), param_value)398 for val in self.host_interfaces:399 if self.ib:400 self.bond_ib_conf(self.bond_name, val, "ATTACH")401 else:402 genio.write_file(self.bonding_slave_file, "+%s" % val)403 time.sleep(2)404 bond_name_val = ''405 for line in genio.read_file(self.bond_status).splitlines():406 if 'Bonding Mode' in line:407 bond_name_val = line.split(':')[1]408 self.log.info("Trying bond mode %s [ %s ]", arg2, bond_name_val)409 for ifs in self.host_interfaces:410 cmd = "ip link set %s up" % ifs411 if process.system(cmd, shell=True, ignore_status=True) != 0:412 self.fail("unable to interface up")413 cmd = "ip addr add %s/%s dev %s;ip link set %s up"\414 % (self.local_ip, self.net_mask[0],415 self.bond_name, self.bond_name)416 process.system(cmd, shell=True, ignore_status=True)417 for _ in range(0, 600, 60):418 if 'state UP' in process.system_output("ip link \419 show %s" % self.bond_name, shell=True).decode("utf-8"):420 self.log.info("Bonding setup is successful on\421 local machine")422 break423 time.sleep(60)424 else:425 self.fail("Bonding setup on local machine has failed")426 if self.gateway:427 cmd = 'ip route add default via %s dev %s' % \428 (self.gateway, self.bond_name)429 process.system(cmd, shell=True, ignore_status=True)430 else:431 self.log.info("Configuring Bonding on Peer machine")432 self.log.info("------------------------------------------")433 cmd = ''434 for val in self.peer_interfaces:435 cmd += 'ip addr flush dev %s;' % val436 for val in self.peer_interfaces:437 cmd += 'ip link set %s down;' % val438 cmd += 'modprobe bonding;'439 cmd += 'echo +%s > %s;'\440 % (self.bond_name, self.bonding_masters_file)441 cmd += 'echo 0 > %s/bonding/mode;'\442 % self.bond_dir443 cmd += 'echo 100 > %s/bonding/miimon;'\444 % self.bond_dir445 cmd += 'echo 2 > %s/bonding/fail_over_mac;'\446 % self.bond_dir447 for val in self.peer_interfaces:448 if self.ib:449 self.bond_ib_conf(self.bond_name, val, "ATTACH")450 else:451 cmd += 'echo "+%s" > %s;' % (val, self.bonding_slave_file)452 for val in self.peer_interfaces:453 cmd += 'ip link set %s up;' % val454 cmd += 'ip addr add %s/%s dev %s;ip link set %s up;sleep 5;'\455 % (self.peer_first_ipinterface[0], self.net_mask[0],456 self.bond_name, self.bond_name)457 output = self.session.cmd(cmd)458 if not output.exit_status == 0:459 self.fail("bond setup command failed in peer machine")460 def test_setup(self):461 '''462 bonding the interfaces463 work for multiple interfaces on both host and peer464 '''465 cmd = "[ -d %s ]" % self.bond_dir466 output = self.session.cmd(cmd)467 if output.exit_status == 0:468 self.fail("bond name already exists on peer machine")469 if os.path.isdir(self.bond_dir):470 self.fail("bond name already exists on local machine")471 if self.peer_bond_needed:472 self.bond_setup("peer", "")473 self.bond_setup("local", self.mode)474 self.log.info(genio.read_file(self.bond_status))475 self.ping_check()476 self.error_check()477 def test_run(self):478 self.bond_fail(self.mode)479 self.log.info("Mode %s OK", self.mode)480 self.error_check()481 # need few sec for interface to not lost the connection to peer482 time.sleep(5)483 def test_cleanup(self):484 '''485 clean up the interface config486 '''487 self.bond_remove("local")488 if self.gateway:489 cmd = 'ip route add default via %s' % \490 (self.gateway)491 process.system(cmd, shell=True, ignore_status=True)492 for ipaddr, host_interface in zip(self.ipaddr, self.host_interfaces):493 networkinterface = NetworkInterface(host_interface, self.localhost)494 try:495 networkinterface.flush_ipaddr()496 networkinterface.add_ipaddr(ipaddr, self.netmask)497 networkinterface.bring_up()498 except Exception:499 self.fail("Interface is taking long time to link up")500 if networkinterface.set_mtu("1500") is not None:501 self.cancel("Failed to set mtu in host")502 try:503 networkinterface.restore_from_backup()504 except Exception:505 self.log.info("backup file not availbale, could not restore file.")506 if self.peer_bond_needed:507 self.bond_remove("peer")508 for ipaddr, interface in zip(self.peer_first_ipinterface,509 self.peer_interfaces):510 self.remotehost = RemoteHost(511 self.peer_public_ip, self.user,512 password=self.password)513 peer_networkinterface = NetworkInterface(interface,514 self.remotehost)515 try:516 peer_networkinterface.flush_ipaddr()517 peer_networkinterface.add_ipaddr(ipaddr, self.netmask)518 peer_networkinterface.bring_up()519 except Exception:520 peer_networkinterface.save(ipaddr, self.netmask)521 time.sleep(self.sleep_time)522 self.error_check()523 524 detected_distro = distro.detect()525 if detected_distro.name == "rhel":526 cmd = "systemctl restart NetworkManager.service"527 elif detected_distro.name == "Ubuntu":528 cmd = "systemctl restart networking"529 else:530 cmd = "systemctl restart network"...
interfaces.py
Source:interfaces.py
...392 run_command(cmd, self.host, sudo=True)393 except Exception as ex:394 msg = f"Failed to remove ipaddr. {ex}"395 raise NWException(msg)396 def flush_ipaddr(self):397 """Flush all the IP address for this interface.398 This method will try to flush the ip address from this interface399 and if fails it will raise a NWException. Be careful, you can400 lost connection.401 You must have sudo permissions to run this method on a host.402 """403 cmd = f"ip addr flush dev {self.name}"404 try:405 run_command(cmd, self.host, sudo=True)406 except Exception as ex:407 msg = f"Failed to flush ipaddr. {ex}"408 raise NWException(msg)409 def remove_link(self):410 """Deletes virtual interface link....
net-cfg.py
Source:net-cfg.py
1import shlex,os,json,subprocess2OS_RELEASE_PATH = "/etc/os-release"3NETWORK_JSON_PATH = "/root/network.json"4RESOLV_BASE= "/etc/resolvconf/resolv.conf.d/base"5VERSION = 1.186class OS_RELEASE:7 def __init__(self):8 self.vars = {}9 if os.path.isfile(OS_RELEASE_PATH):10 with open(OS_RELEASE_PATH) as inf:11 for line in inf:12 name, var = line.partition("=")[::2]13 self.vars[name.strip()] = var14 return15 def name(self):16 if self.vars.has_key('NAME'):17 return self.vars['NAME']18 else:19 return None20 def version(self):21 if self.vars.has_key('VERSION'):22 return self.vars['VERSION']23 else:24 return ''25 def id(self):26 if self.vars.has_key('ID'):27 return self.vars['ID']28 else:29 return ''30 def isUbuntu(self):31 if self.id().lower().strip()=='ubuntu':32 return True33 return False34 def isRedhat(self):35 if self.id().lower().strip()=='"centos"':36 return True37 return False38 def get(self,key):39 if self.vars.has_key(key):40 return self.vars[key]41 else:42 return ''43class NET:44 def __init__(self,cfg):45 self.cfg = cfg46 self.__name = ''47 self.__iname = ''48 return49 def write_dns(self, dns):50 is_file = os.path.isfile(RESOLV_BASE)51 if not is_file:52 os.system('mkdir -p '+ RESOLV_BASE)53 with open(RESOLV_BASE, "a+") as outf:54 outf.write('nameserver ' + dns + '\n')55 os.system('resolvconf -u')56 def filename(self):57 if self.name() == '':58 return ''59 ret = 'ifcfg-'+self.name()60 if self.cfg['type'] == 'vlan':61 ret += '.'+self.cfg['vlan_id']62 return ret63 def name(self):64 if self.__name == '':65 if self.cfg.has_key('name'):66 self.__name = self.cfg['name']67 elif self.cfg.has_key('mac'):68 self.__name = get_iface_name(self.cfg['mac'])69 else:70 self.__name = ''71 return self.__name72 def iname(self):73 if self.__iname == '':74 if self.cfg['type'] == 'eth':75 self.__iname = self.name()76 elif self.cfg['type'] == 'vlan':77 self.__iname = self.name()+'.'+self.cfg['vlan_id']78 elif self.cfg['type'] == 'bond':79 self.__iname = self.name()80 else:81 self.__iname = self.name()82 return self.__iname83 def get_script(self):84 ret = ''85 cfg = self.cfg86# if cfg['type'] == 'eth':87 if 'eth' in self.name():88 ret += 'DEVICE='+self.name()+'\n'89 if cfg['mode'].lower().strip() == 'static':90 ret += 'BOOTPROTO=none'+'\n'91 if cfg.has_key('address'):92 ret += 'IPADDR='+cfg['address']+'\n'93 if cfg.has_key('netmask'):94 ret += 'NETMASK='+cfg['netmask']+'\n'95 if cfg.has_key('gateway'):96 ret += 'GATEWAY='+cfg['gateway']+'\n' 97 if cfg.has_key('metric'):98 ret += 'METRIC '+cfg['metric']+'\n' 99 if cfg.has_key('dns1'):100 ret += 'DNS1='+cfg['dns1']+'\n' 101 if cfg.has_key('dns2'):102 ret += 'DNS2='+cfg['dns2']+'\n' 103 if cfg.has_key('dns3'):104 ret += 'DNS3='+cfg['dns3']+'\n' 105 106 ret += 'USERCTL=no'+'\n'107 elif cfg['mode'].lower().strip() == 'dhcp':108 ret += 'BOOTPROTO=dhcp'+'\n'109 if cfg.has_key('metric'):110 ret += 'METRIC '+cfg['metric']+'\n' 111 ret += 'ONBOOT=yes'+'\n'112 elif cfg['type'] == 'vlan':113# elif 'vlan' in cfg['type']:114 ret += 'DEVICE='+self.name()+'.'+self.cfg['vlan_id']+'\n'115 if cfg['mode'].lower().strip() == 'static':116 ret += 'BOOTPROTO=none'+'\n'117 if cfg.has_key('address'):118 ret += 'IPADDR='+cfg['address']+'\n'119 if cfg.has_key('netmask'):120 ret += 'NETMASK='+cfg['netmask']+'\n'121 if cfg.has_key('gateway'):122 ret += 'GATEWAY='+cfg['gateway']+'\n' 123 if cfg.has_key('metric'):124 ret += 'METRIC '+cfg['metric']+'\n' 125 ret += 'USERCTL=no'+'\n'126 elif cfg['mode'].lower().strip() == 'dhcp':127 ret += 'BOOTPROTO=dhcp'+'\n'128 if cfg.has_key('metric'):129 ret += 'METRIC '+cfg['metric']+'\n' 130 ret += 'ONBOOT=yes'+'\n'131 ret += 'VLAN=yes'+'\n'132 elif cfg['type'] == 'bond':133# elif 'bond' in self.name():134 ret += 'DEVICE='+self.name()+'\n'135 ret += 'TYPE=Bond'+'\n'136 ret += 'BONDING_MASTER=yes'+'\n'137 if cfg['mode'].lower().strip() == 'static':138 ret += 'BOOTPROTO=none'+'\n'139 if cfg.has_key('address'):140 ret += 'IPADDR='+cfg['address']+'\n'141 if cfg.has_key('netmask'):142 ret += 'NETMASK='+cfg['netmask']+'\n'143 if cfg.has_key('gateway'):144 ret += 'GATEWAY='+cfg['gateway']+'\n' 145 if cfg.has_key('metric'):146 ret += 'METRIC '+cfg['metric']+'\n' 147 ret += 'USERCTL=no'+'\n'148 elif cfg['mode'].lower().strip() == 'dhcp':149 ret += 'BOOTPROTO=dhcp'+'\n'150 if cfg.has_key('metric'):151 ret += 'METRIC '+cfg['metric']+'\n' 152 ret += 'ONBOOT=yes'+'\n'153 ret += 'BONDING_OPTS=""'+'\n'154 ret += 'NM_CONTROLLED="no"'+'\n'155 elif 'ens' in self.name():156# TODO enpsxxx157# elif cfg['type'] == 'ens':158 ret += 'DEVICE='+self.name()+'\n'159 if cfg['mode'].lower().strip() == 'static':160 ret += 'BOOTPROTO=none'+'\n'161 if cfg.has_key('address'):162 ret += 'IPADDR='+cfg['address']+'\n'163 if cfg.has_key('netmask'):164 ret += 'NETMASK='+cfg['netmask']+'\n'165 if cfg.has_key('gateway'):166 ret += 'GATEWAY='+cfg['gateway']+'\n'167 if cfg.has_key('metric'):168 ret += 'METRIC '+cfg['metric']+'\n'169 if cfg.has_key('dns1'):170 ret += 'DNS1='+cfg['dns1']+'\n'171 if cfg.has_key('dns2'):172 ret += 'DNS2='+cfg['dns2']+'\n'173 if cfg.has_key('dns3'):174 ret += 'DNS3='+cfg['dns3']+'\n'175 ret += 'USERCTL=no'+'\n'176 return ret177 def get_iface(self):178 ret = ''179 cfg = self.cfg180 if 'eth' in self.name():181 self.cfg['type'] = 'eth'182 ret += 'auto '+self.name()+'\n'183 ret += 'iface '+self.name()+' inet '+cfg['mode']+'\n'184 if cfg.has_key('address'):185 ret += 'address '+cfg['address']+'\n'186 if cfg.has_key('netmask'):187 ret += 'netmask '+cfg['netmask']+'\n'188 if cfg.has_key('gateway'):189 ret += 'gateway '+cfg['gateway']+'\n' 190 if cfg.has_key('metric'):191 ret += 'metric '+cfg['metric']+'\n' 192 if cfg.has_key('dns1'):193 ret += 'dns-nameservers '+cfg['dns1']+'\n'194 self.write_dns(cfg['dns1']); 195 if cfg.has_key('dns2'):196 ret += 'dns-nameservers '+cfg['dns2']+'\n'197 self.write_dns(cfg['dns2']); 198 if cfg.has_key('dns3'):199 ret += 'dns-nameservers '+cfg['dns3']+'\n' 200 self.write_dns(cfg['dns3']);201 if cfg.has_key('bond-master'):202 ret += 'bond-master '+cfg['bond-master']+'\n' 203 if 'vlan' in cfg['type']:204 self.cfg['type'] = 'vlan'205 ifname =self.name()+'.'+cfg['vlan_id']206 ret += 'auto '+ifname+'\n'207 ret += 'iface '+ifname+' inet '+cfg['mode']+'\n'208 if cfg.has_key('address'):209 ret += 'address '+cfg['address']+'\n'210 if cfg.has_key('netmask'):211 ret += 'netmask '+cfg['netmask']+'\n'212 if cfg.has_key('gateway'):213 ret += 'gateway '+cfg['gateway']+'\n'214 if cfg.has_key('metric'):215 ret += 'metric '+cfg['metric']+'\n' 216 ret += 'vlan-raw-device '+self.name()+'\n'217 if 'bond' in self.name():218 self.cfg['type'] = 'bond'219 ret += 'auto '+self.name()+'\n'220 ret += 'iface '+self.name()+' inet '+cfg['mode']+'\n'221 if cfg.has_key('address'):222 ret += 'address '+cfg['address']+'\n'223 if cfg.has_key('netmask'):224 ret += 'netmask '+cfg['netmask']+'\n'225 if cfg.has_key('gateway'):226 ret += 'gateway '+cfg['gateway']+'\n'227 if cfg.has_key('metric'):228 ret += 'metric '+cfg['metric']+'\n' 229 if cfg.has_key('bond-mode'):230 ret += 'bond-mode '+cfg['bond-mode']+'\n'231 if cfg.has_key('bond-miimon'):232 ret += 'bond-miimon '+cfg['bond-miimon']+'\n'233 if cfg.has_key('bond-slaves'):234 ret += 'bond-slaves '+cfg['bond-slaves']+'\n'235 elif cfg['type'] != 'vlan':236 237 ret += 'auto '+self.name()+'\n'238 ret += 'iface '+self.name()+' inet '+cfg['mode']+'\n'239 if cfg.has_key('address'):240 ret += 'address '+cfg['address']+'\n'241 if cfg.has_key('netmask'):242 ret += 'netmask '+cfg['netmask']+'\n'243 if cfg.has_key('gateway'):244 ret += 'gateway '+cfg['gateway']+'\n'245 if cfg.has_key('metric'):246 ret += 'metric '+cfg['metric']+'\n'247 if cfg.has_key('dns1'):248 ret += 'dns-nameservers '+cfg['dns1']+'\n'249 self.write_dns(cfg['dns1']);250 if cfg.has_key('dns2'):251 ret += 'dns-nameservers '+cfg['dns2']+'\n'252 self.write_dns(cfg['dns2']);253 if cfg.has_key('dns3'):254 ret += 'dns-nameservers '+cfg['dns3']+'\n'255 self.write_dns(cfg['dns3']);256 if cfg.has_key('bond-master'):257 ret += 'bond-master '+cfg['bond-master']+'\n'258 return ret259class NET_CFG:260 def __init__(self,cfgfile):261 self.cfgfile = cfgfile262 self.osr = OS_RELEASE()263 return264 def backup(self):265 os.system('mkdir -p ./backup')266 if self.osr.isUbuntu():267 if os.path.isfile('/etc/network/interfaces'):268 os.system('rm -f ./backup/interfaces')269 os.system('cp -f /etc/network/interfaces ./backup/')270 elif self.osr.isRedhat():271 if os.path.isdir('/etc/sysconfig/network-scripts'):272 os.system('rm -fr ./backup/network-scripts')273 os.system('cp -fr /etc/sysconfig/network-scripts/ ./backup/')274 return275 def apply(self):276 if self.osr.isUbuntu():277 intfs,cfgfiles = self.toInterfaces()278 elif self.osr.isRedhat():279 intfs,cfgfiles = self.toScripts()280 for cfgfile in cfgfiles:281 print cfgfile['filename']+'\n'282 print cfgfile['path']+'\n'283 print cfgfile['data']+'\n'284 os.system('mkdir -p '+cfgfile['path'])285 with open(cfgfile['path']+cfgfile['filename'], "wb") as outf:286 outf.write(cfgfile['data'])287 if self.osr.isUbuntu():288 os.system('modprobe 8021q')289 for intf in intfs:290 #flush the original ip in dev291 self.flush_dev(intf)292 os.system('ifdown '+intf)293 os.system('ifup '+intf)294 elif self.osr.isRedhat():295 os.system('modprobe 8021q')296 for intf in intfs:297 os.system('ifdown '+intf)298 os.system('ifup '+intf)299 #os.system('systemctl restart network')300 return301 def parse(self):302 self.configures = {}303 try:304 if os.path.isfile(self.cfgfile):305 with open(self.cfgfile, 'r') as inf:306 self.configures = json.load(inf)['network']307 else:308 return False309 except Exception as e:310 print "error: " 311 print e312 return False313 return True314 def toInterfaces(self):315 ret = []316 networks = []317 intfs = []318 for cfg in self.configures:319 net = NET(cfg)320 networks.append(net)321 data = ''322 for net in networks:323 data += net.get_iface()+'\n'324 intfs.append(net.iname())325 ret.append({'filename':'interfaces','path':'/etc/network/','data':data})326 return intfs,ret327 def toScripts(self):328 ret = []329 networks = []330 intfs = []331 for cfg in self.configures:332 net = NET(cfg)333 networks.append(net)334 for net in networks:335 ret.append({'filename':net.filename(),'path':'/etc/sysconfig/network-scripts/','data':net.get_script()})336 intfs.append(net.iname())337 print net.filename()338 print net.get_script()339 return intfs,ret340 def show(self):341 return342 def flush_dev(self, if_name):343 flush_ipaddr = 'ip addr flush dev ' + if_name + ' ;'344 os.system(flush_ipaddr);345def get_iface_name(mac):346 cmd = shlex.split('find /sys/class/net -mindepth 1 -maxdepth 1 ! -name lo -printf "%P= " -execdir cat {}/address \;')347 process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)348 out, err = process.communicate()349 for line in out.splitlines():350 name, addr = line.partition("=")[::2]351 if mac.lower() == addr.lower().strip():352 return name.lower().strip()353 return ''354if __name__ == "__main__":355 netcfg = NET_CFG(NETWORK_JSON_PATH)356 if netcfg.parse():357 netcfg.backup()...
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