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d486dd0d JF |
1 | #!/usr/bin/python |
2 | # | |
3 | # Copyright 2014-2017 Cumulus Networks, Inc. All rights reserved. | |
4 | # Author: Roopa Prabhu, roopa@cumulusnetworks.com | |
5 | # | |
6 | ||
7 | ||
8 | from sets import Set | |
223ba5af | 9 | from ipaddr import IPNetwork, IPAddress, IPv4Address, IPv4Network, AddressValueError |
d486dd0d JF |
10 | |
11 | try: | |
12 | import ifupdown2.ifupdown.policymanager as policymanager | |
3fb83a7a | 13 | import ifupdown2.ifupdown.ifupdownflags as ifupdownflags |
d486dd0d | 14 | |
223ba5af JF |
15 | from ifupdown2.lib.addon import Addon |
16 | from ifupdown2.lib.nlcache import NetlinkCacheIfnameNotFoundError | |
17 | ||
d486dd0d JF |
18 | from ifupdown2.nlmanager.nlmanager import Link |
19 | ||
20 | from ifupdown2.ifupdown.iface import * | |
21 | from ifupdown2.ifupdown.utils import utils | |
d486dd0d | 22 | from ifupdown2.ifupdownaddons.cache import * |
d486dd0d JF |
23 | from ifupdown2.ifupdownaddons.modulebase import moduleBase |
24 | except ImportError: | |
25 | import ifupdown.policymanager as policymanager | |
3fb83a7a | 26 | import ifupdown.ifupdownflags as ifupdownflags |
d486dd0d | 27 | |
223ba5af JF |
28 | from lib.addon import Addon |
29 | from lib.nlcache import NetlinkCacheIfnameNotFoundError | |
30 | ||
d486dd0d JF |
31 | from nlmanager.nlmanager import Link |
32 | ||
33 | from ifupdown.iface import * | |
34 | from ifupdown.utils import utils | |
d486dd0d JF |
35 | |
36 | from ifupdownaddons.cache import * | |
d486dd0d JF |
37 | from ifupdownaddons.modulebase import moduleBase |
38 | ||
39 | ||
223ba5af JF |
40 | class vxlan(Addon, moduleBase): |
41 | _modinfo = { | |
42 | "mhelp": "vxlan module configures vxlan interfaces.", | |
43 | "attrs": { | |
44 | "vxlan-id": { | |
45 | "help": "vxlan id", | |
46 | "validrange": ["1", "16777214"], | |
47 | "required": True, | |
48 | "example": ["vxlan-id 100"] | |
49 | }, | |
50 | "vxlan-local-tunnelip": { | |
51 | "help": "vxlan local tunnel ip", | |
52 | "validvals": ["<ipv4>"], | |
53 | "example": ["vxlan-local-tunnelip 172.16.20.103"] | |
54 | }, | |
55 | "vxlan-svcnodeip": { | |
56 | "help": "vxlan id", | |
57 | "validvals": ["<ipv4>"], | |
58 | "example": ["vxlan-svcnodeip 172.16.22.125"] | |
59 | }, | |
60 | "vxlan-remoteip": { | |
61 | "help": "vxlan remote ip", | |
62 | "validvals": ["<ipv4>"], | |
63 | "example": ["vxlan-remoteip 172.16.22.127"], | |
64 | "multiline": True | |
65 | }, | |
66 | "vxlan-learning": { | |
67 | "help": "vxlan learning yes/no", | |
68 | "validvals": ["yes", "no", "on", "off"], | |
69 | "example": ["vxlan-learning no"], | |
70 | "default": "yes" | |
71 | }, | |
72 | "vxlan-ageing": { | |
73 | "help": "vxlan aging timer", | |
74 | "validrange": ["0", "4096"], | |
75 | "example": ["vxlan-ageing 300"], | |
76 | "default": "300" | |
77 | }, | |
78 | "vxlan-purge-remotes": { | |
79 | "help": "vxlan purge existing remote entries", | |
80 | "validvals": ["yes", "no"], | |
81 | "example": ["vxlan-purge-remotes yes"], | |
82 | }, | |
83 | "vxlan-port": { | |
84 | "help": "vxlan UDP port (transmitted to vxlan driver)", | |
85 | "example": ["vxlan-port 4789"], | |
86 | "validrange": ["1", "65536"], | |
87 | "default": "4789", | |
88 | }, | |
89 | "vxlan-physdev": { | |
90 | "help": "vxlan physical device", | |
91 | "example": ["vxlan-physdev eth1"] | |
92 | }, | |
93 | "vxlan-ttl": { | |
94 | "help": "specifies the TTL value to use in outgoing packets " | |
95 | "(range 0..255), 0=auto", | |
96 | "default": "0", | |
97 | "validvals": ["0", "255"], | |
98 | "example": ['vxlan-ttl 42'], | |
99 | }, | |
100 | "vxlan-mcastgrp": { | |
101 | "help": "vxlan multicast group", | |
102 | "validvals": ["<ip>"], | |
103 | "example": ["vxlan-mcastgrp 172.16.22.127"], | |
104 | } | |
105 | } | |
106 | } | |
107 | ||
108 | VXLAN_PHYSDEV_MCASTGRP_DEFAULT = "ipmr-lo" | |
d486dd0d JF |
109 | |
110 | def __init__(self, *args, **kargs): | |
223ba5af | 111 | Addon.__init__(self) |
d486dd0d | 112 | moduleBase.__init__(self, *args, **kargs) |
223ba5af JF |
113 | |
114 | self._vxlan_purge_remotes = utils.get_boolean_from_string( | |
115 | policymanager.policymanager_api.get_module_globals( | |
116 | module_name=self.__class__.__name__, | |
117 | attr="vxlan-purge-remotes" | |
118 | ) | |
119 | ) | |
120 | self._vxlan_local_tunnelip = None | |
121 | self._clagd_vxlan_anycast_ip = "" | |
122 | ||
123 | # If mcastgrp is specified we need to rely on a user-configred device (via physdev) | |
124 | # or via a policy variable "vxlan-physdev_mcastgrp". If the device doesn't exist we | |
125 | # create it as a dummy device. We need to keep track of the user configuration to | |
126 | # know when to delete this dummy device (when user remove mcastgrp from it's config) | |
127 | self.vxlan_mcastgrp_ref = False | |
128 | self.vxlan_physdev_mcast = policymanager.policymanager_api.get_module_globals( | |
129 | module_name=self.__class__.__name__, | |
130 | attr="vxlan-physdev-mcastgrp" | |
131 | ) or self.VXLAN_PHYSDEV_MCASTGRP_DEFAULT | |
132 | ||
133 | def reset(self): | |
134 | # in daemon mode we need to reset mcastgrp_ref for every new command | |
135 | # this variable has to be set in get_dependent_ifacenames | |
136 | self.vxlan_mcastgrp_ref = False | |
d486dd0d JF |
137 | |
138 | def syntax_check(self, ifaceobj, ifaceobj_getfunc): | |
139 | if self._is_vxlan_device(ifaceobj): | |
223ba5af | 140 | if not ifaceobj.get_attr_value_first('vxlan-local-tunnelip') and not self._vxlan_local_tunnelip: |
d486dd0d JF |
141 | self.logger.warning('%s: missing vxlan-local-tunnelip' % ifaceobj.name) |
142 | return False | |
143 | return self.syntax_check_localip_anycastip_equal( | |
144 | ifaceobj.name, | |
223ba5af JF |
145 | ifaceobj.get_attr_value_first('vxlan-local-tunnelip') or self._vxlan_local_tunnelip, |
146 | self._clagd_vxlan_anycast_ip | |
d486dd0d JF |
147 | ) |
148 | return True | |
149 | ||
150 | def syntax_check_localip_anycastip_equal(self, ifname, local_ip, anycast_ip): | |
151 | try: | |
223ba5af | 152 | if local_ip and anycast_ip and IPNetwork(local_ip) == IPNetwork(anycast_ip): |
d486dd0d JF |
153 | self.logger.warning('%s: vxlan-local-tunnelip and clagd-vxlan-anycast-ip are identical (%s)' |
154 | % (ifname, local_ip)) | |
155 | return False | |
156 | except: | |
157 | pass | |
158 | return True | |
159 | ||
160 | def get_dependent_ifacenames(self, ifaceobj, ifaceobjs_all=None): | |
161 | if self._is_vxlan_device(ifaceobj): | |
162 | ifaceobj.link_kind |= ifaceLinkKind.VXLAN | |
163 | self._set_global_local_ip(ifaceobj) | |
223ba5af JF |
164 | |
165 | # if we detect a vxlan we check if mcastgrp is set (if so we set vxlan_mcastgrp_ref) | |
166 | # to know when to delete this device. | |
167 | if not self.vxlan_mcastgrp_ref and ifaceobj.get_attr_value("vxlan-mcastgrp"): | |
168 | self.vxlan_mcastgrp_ref = True | |
169 | ||
d486dd0d JF |
170 | elif ifaceobj.name == 'lo': |
171 | clagd_vxlan_list = ifaceobj.get_attr_value('clagd-vxlan-anycast-ip') | |
172 | if clagd_vxlan_list: | |
173 | if len(clagd_vxlan_list) != 1: | |
174 | self.log_warn('%s: multiple clagd-vxlan-anycast-ip lines, using first one' | |
175 | % (ifaceobj.name,)) | |
223ba5af | 176 | self._clagd_vxlan_anycast_ip = clagd_vxlan_list[0] |
d486dd0d JF |
177 | |
178 | self._set_global_local_ip(ifaceobj) | |
a382b488 JF |
179 | |
180 | # If we should use a specific underlay device for the VXLAN | |
181 | # tunnel make sure this device is set up before the VXLAN iface. | |
182 | physdev = ifaceobj.get_attr_value_first('vxlan-physdev') | |
183 | ||
184 | if physdev: | |
185 | return [physdev] | |
186 | ||
d486dd0d JF |
187 | return None |
188 | ||
189 | def _set_global_local_ip(self, ifaceobj): | |
190 | vxlan_local_tunnel_ip = ifaceobj.get_attr_value_first('vxlan-local-tunnelip') | |
223ba5af JF |
191 | if vxlan_local_tunnel_ip and not self._vxlan_local_tunnelip: |
192 | self._vxlan_local_tunnelip = vxlan_local_tunnel_ip | |
d486dd0d | 193 | |
223ba5af JF |
194 | @staticmethod |
195 | def _is_vxlan_device(ifaceobj): | |
196 | return ifaceobj.link_kind & ifaceLinkKind.VXLAN or ifaceobj.get_attr_value_first('vxlan-id') | |
d486dd0d | 197 | |
223ba5af | 198 | def __get_vlxan_purge_remotes(self, ifaceobj): |
d486dd0d | 199 | if not ifaceobj: |
223ba5af | 200 | return self._vxlan_purge_remotes |
d486dd0d JF |
201 | purge_remotes = ifaceobj.get_attr_value_first('vxlan-purge-remotes') |
202 | if purge_remotes: | |
203 | purge_remotes = utils.get_boolean_from_string(purge_remotes) | |
204 | else: | |
223ba5af | 205 | purge_remotes = self._vxlan_purge_remotes |
d486dd0d JF |
206 | return purge_remotes |
207 | ||
ec25a08c JF |
208 | def get_vxlan_ttl_from_string(self, ttl_config): |
209 | ttl = 0 | |
210 | if ttl_config: | |
211 | if ttl_config.lower() == "auto": | |
212 | ttl = 0 | |
213 | else: | |
214 | ttl = int(ttl_config) | |
215 | return ttl | |
216 | ||
223ba5af JF |
217 | def __config_vxlan_id(self, ifname, ifaceobj, vxlan_id_str, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): |
218 | """ | |
219 | Get vxlan-id user config and check it's value before inserting it in our netlink dictionary | |
220 | :param ifname: | |
221 | :param ifaceobj: | |
222 | :param vxlan_id_str: | |
223 | :param user_request_vxlan_info_data: | |
224 | :param cached_vxlan_ifla_info_data: | |
225 | :return: | |
226 | """ | |
227 | try: | |
228 | vxlan_id = int(vxlan_id_str) | |
229 | cached_vxlan_id = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_ID) | |
230 | ||
231 | if cached_vxlan_id and cached_vxlan_id != vxlan_id: | |
232 | self.log_error( | |
233 | "%s: Cannot change running vxlan id (%s): Operation not supported" | |
234 | % (ifname, cached_vxlan_id), | |
235 | ifaceobj | |
236 | ) | |
237 | user_request_vxlan_info_data[Link.IFLA_VXLAN_ID] = vxlan_id | |
238 | except ValueError: | |
239 | self.log_error("%s: invalid vxlan-id '%s'" % (ifname, vxlan_id_str), ifaceobj) | |
240 | ||
241 | def __get_vxlan_ageing_int(self, ifname, ifaceobj, link_exists): | |
242 | """ | |
243 | Get vxlan-ageing user config or via policy, return integer value, None or raise on error | |
244 | :param ifname: | |
245 | :param ifaceobj: | |
246 | :param link_exists: | |
247 | :return: | |
248 | """ | |
249 | vxlan_ageing_str = ifaceobj.get_attr_value_first("vxlan-ageing") | |
250 | try: | |
251 | if vxlan_ageing_str: | |
252 | return int(vxlan_ageing_str) | |
253 | ||
254 | vxlan_ageing_str = policymanager.policymanager_api.get_attr_default( | |
255 | module_name=self.__class__.__name__, | |
256 | attr="vxlan-ageing" | |
257 | ) | |
258 | ||
259 | if not vxlan_ageing_str and link_exists: | |
260 | # if link doesn't exist we let the kernel define ageing | |
261 | vxlan_ageing_str = self.get_attr_default_value("vxlan-ageing") | |
262 | ||
263 | if vxlan_ageing_str: | |
264 | return int(vxlan_ageing_str) | |
265 | except: | |
266 | self.log_error("%s: invalid vxlan-ageing '%s'" % (ifname, vxlan_ageing_str), ifaceobj) | |
d486dd0d | 267 | |
223ba5af JF |
268 | def __config_vxlan_ageing(self, ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): |
269 | """ | |
270 | Check user config vxlan-ageing and insert it in our netlink dictionary if needed | |
271 | """ | |
272 | vxlan_ageing = self.__get_vxlan_ageing_int(ifname, ifaceobj, link_exists) | |
273 | ||
274 | if not vxlan_ageing or (link_exists and vxlan_ageing == cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_AGEING)): | |
275 | return | |
276 | ||
277 | self.logger.info("%s: set vxlan-ageing %s" % (ifname, vxlan_ageing)) | |
278 | user_request_vxlan_info_data[Link.IFLA_VXLAN_AGEING] = vxlan_ageing | |
279 | ||
280 | def __config_vxlan_port(self, ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): | |
281 | """ | |
282 | Check vxlan-port user config, validate the integer value and insert it in the netlink dictionary if needed | |
283 | :param ifname: | |
284 | :param ifaceobj: | |
285 | :param link_exists: | |
286 | :param user_request_vxlan_info_data: | |
287 | :param cached_vxlan_ifla_info_data: | |
288 | :return: | |
289 | """ | |
290 | vxlan_port_str = ifaceobj.get_attr_value_first("vxlan-port") | |
291 | try: | |
292 | if not vxlan_port_str: | |
293 | vxlan_port_str = policymanager.policymanager_api.get_attr_default( | |
294 | module_name=self.__class__.__name__, | |
295 | attr="vxlan-port" | |
296 | ) | |
d486dd0d | 297 | |
ec25a08c | 298 | try: |
223ba5af JF |
299 | vxlan_port = int(vxlan_port_str) |
300 | except TypeError: | |
301 | # TypeError means vxlan_port was None | |
302 | # ie: not provided by the user or the policy | |
303 | vxlan_port = self.netlink.VXLAN_UDP_PORT | |
304 | except ValueError as e: | |
305 | self.logger.warning( | |
306 | "%s: vxlan-port: using default %s: invalid configured value %s" | |
307 | % (ifname, self.netlink.VXLAN_UDP_PORT, str(e)) | |
308 | ) | |
309 | vxlan_port = self.netlink.VXLAN_UDP_PORT | |
310 | ||
311 | cached_vxlan_port = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_PORT) | |
312 | ||
313 | if link_exists: | |
314 | if vxlan_port != cached_vxlan_port: | |
315 | self.logger.warning( | |
316 | "%s: vxlan-port (%s) cannot be changed - to apply the desired change please run: ifdown %s && ifup %s" | |
317 | % (ifname, cached_vxlan_port, ifname, ifname) | |
ec25a08c | 318 | ) |
ec25a08c JF |
319 | return |
320 | ||
223ba5af JF |
321 | self.logger.info("%s: set vxlan-port %s" % (ifname, vxlan_port)) |
322 | user_request_vxlan_info_data[Link.IFLA_VXLAN_PORT] = vxlan_port | |
323 | except: | |
324 | self.log_error("%s: invalid vxlan-port '%s'" % (ifname, vxlan_port_str), ifaceobj) | |
325 | ||
326 | def __config_vxlan_ttl(self, ifname, ifaceobj, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): | |
327 | """ | |
328 | Get vxlan-ttl from user config or policy, validate integer value and insert in netlink dict | |
329 | :param ifname: | |
330 | :param ifaceobj: | |
331 | :param user_request_vxlan_info_data: | |
332 | :param cached_vxlan_ifla_info_data: | |
333 | :return: | |
334 | """ | |
335 | vxlan_ttl_str = ifaceobj.get_attr_value_first("vxlan-ttl") | |
336 | try: | |
337 | if vxlan_ttl_str: | |
338 | vxlan_ttl = self.get_vxlan_ttl_from_string(vxlan_ttl_str) | |
339 | else: | |
340 | vxlan_ttl = self.get_vxlan_ttl_from_string( | |
341 | policymanager.policymanager_api.get_attr_default( | |
342 | module_name=self.__class__.__name__, | |
343 | attr="vxlan-ttl" | |
344 | ) | |
345 | ) | |
346 | ||
347 | cached_ifla_vxlan_ttl = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_TTL) | |
348 | if vxlan_ttl != cached_ifla_vxlan_ttl: | |
349 | ||
350 | if cached_ifla_vxlan_ttl is not None: | |
351 | self.logger.info("%s: set vxlan-ttl %s (cache %s)" % (ifname, vxlan_ttl_str if vxlan_ttl_str else vxlan_ttl, cached_ifla_vxlan_ttl)) | |
352 | else: | |
353 | self.logger.info("%s: set vxlan-ttl %s" % (ifname, vxlan_ttl_str if vxlan_ttl_str else vxlan_ttl)) | |
354 | ||
355 | user_request_vxlan_info_data[Link.IFLA_VXLAN_TTL] = vxlan_ttl | |
356 | except: | |
357 | self.log_error("%s: invalid vxlan-ttl '%s'" % (ifname, vxlan_ttl_str), ifaceobj) | |
358 | ||
359 | def __config_vxlan_local_tunnelip(self, ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): | |
360 | """ | |
361 | Get vxlan-local-tunnelip user config or policy, validate ip address format and insert in netlink dict | |
362 | :param ifname: | |
363 | :param ifaceobj: | |
364 | :param link_exists: | |
365 | :param user_request_vxlan_info_data: | |
366 | :param cached_vxlan_ifla_info_data: | |
367 | :return: | |
368 | """ | |
369 | local = ifaceobj.get_attr_value_first("vxlan-local-tunnelip") | |
370 | ||
371 | if not local and self._vxlan_local_tunnelip: | |
372 | local = self._vxlan_local_tunnelip | |
373 | ||
374 | if link_exists: | |
375 | # on ifreload do not overwrite anycast_ip to individual ip | |
376 | # if clagd has modified | |
377 | running_localtunnelip = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_LOCAL) | |
378 | ||
379 | if self._clagd_vxlan_anycast_ip and running_localtunnelip: | |
380 | anycastip = IPAddress(self._clagd_vxlan_anycast_ip) | |
381 | if anycastip == running_localtunnelip: | |
382 | local = running_localtunnelip | |
383 | ||
384 | if not local: | |
385 | local = policymanager.policymanager_api.get_attr_default( | |
386 | module_name=self.__class__.__name__, | |
387 | attr="vxlan-local-tunnelip" | |
388 | ) | |
389 | ||
390 | if local: | |
391 | try: | |
392 | local = IPv4Address(local) | |
393 | except AddressValueError: | |
394 | try: | |
395 | local_ip = IPv4Network(local).ip | |
396 | self.logger.warning("%s: vxlan-local-tunnelip %s: netmask ignored" % (ifname, local)) | |
397 | local = local_ip | |
398 | except: | |
399 | raise Exception("%s: invalid vxlan-local-tunnelip %s: must be in ipv4 format" % (ifname, local)) | |
400 | ||
401 | cached_ifla_vxlan_local = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_LOCAL) | |
402 | ||
403 | if local: | |
404 | if local != cached_ifla_vxlan_local: | |
405 | self.logger.info("%s: set vxlan-local-tunnelip %s" % (ifname, local)) | |
406 | user_request_vxlan_info_data[Link.IFLA_VXLAN_LOCAL] = local | |
407 | ||
408 | # if both local-ip and anycast-ip are identical the function prints a warning | |
409 | self.syntax_check_localip_anycastip_equal(ifname, local, self._clagd_vxlan_anycast_ip) | |
410 | elif cached_ifla_vxlan_local: | |
411 | self.logger.info("%s: removing vxlan-local-tunnelip (cache %s)" % (ifname, cached_ifla_vxlan_local)) | |
412 | user_request_vxlan_info_data[Link.IFLA_VXLAN_LOCAL] = None | |
413 | ||
414 | return local | |
415 | ||
416 | def __get_vxlan_mcast_grp(self, ifaceobj): | |
417 | """ | |
418 | Get vxlan-mcastgrp user config or policy | |
419 | :param ifaceobj: | |
420 | :return: | |
421 | """ | |
422 | vxlan_mcast_grp = ifaceobj.get_attr_value_first("vxlan-mcastgrp") | |
423 | ||
424 | if not vxlan_mcast_grp: | |
425 | vxlan_mcast_grp = policymanager.policymanager_api.get_attr_default( | |
426 | module_name=self.__class__.__name__, | |
427 | attr="vxlan-mcastgrp" | |
428 | ) | |
429 | ||
430 | return vxlan_mcast_grp | |
431 | ||
432 | def __get_vxlan_svcnodeip(self, ifaceobj): | |
433 | """ | |
434 | Get vxlan-svcnodeip user config or policy | |
435 | :param ifaceobj: | |
436 | :return: | |
437 | """ | |
438 | vxlan_svcnodeip = ifaceobj.get_attr_value_first('vxlan-svcnodeip') | |
d486dd0d | 439 | |
223ba5af JF |
440 | if not vxlan_svcnodeip: |
441 | vxlan_svcnodeip = policymanager.policymanager_api.get_attr_default( | |
442 | module_name=self.__class__.__name__, | |
443 | attr="vxlan-svcnodeip" | |
444 | ) | |
d486dd0d | 445 | |
223ba5af | 446 | return vxlan_svcnodeip |
d486dd0d | 447 | |
223ba5af JF |
448 | def __config_vxlan_group(self, ifname, ifaceobj, link_exists, mcast_grp, group, physdev, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): |
449 | """ | |
450 | vxlan-mcastgrp and vxlan-svcnodeip are mutually exclusive | |
451 | this function validates ip format for both attribute and tries to understand | |
452 | what the user really want (remote or group option). | |
453 | ||
454 | :param ifname: | |
455 | :param ifaceobj: | |
456 | :param mcast_grp: | |
457 | :param group: | |
458 | :param physdev: | |
459 | :param user_request_vxlan_info_data: | |
460 | :param cached_vxlan_ifla_info_data: | |
461 | :return: | |
462 | """ | |
463 | if mcast_grp and group: | |
464 | self.log_error("%s: both group (vxlan-mcastgrp %s) and " | |
465 | "remote (vxlan-svcnodeip %s) cannot be specified" | |
466 | % (ifname, mcast_grp, group), ifaceobj) | |
467 | ||
468 | attribute_name = "vxlan-svcnodeip" | |
469 | multicast_group_change = False | |
470 | ||
471 | if group: | |
472 | try: | |
473 | group = IPv4Address(group) | |
474 | except AddressValueError: | |
475 | try: | |
476 | group_ip = IPv4Network(group).ip | |
477 | self.logger.warning("%s: vxlan-svcnodeip %s: netmask ignored" % (ifname, group)) | |
478 | group = group_ip | |
479 | except: | |
480 | raise Exception("%s: invalid vxlan-svcnodeip %s: must be in ipv4 format" % (ifname, group)) | |
481 | ||
482 | if group.is_multicast: | |
483 | self.logger.warning("%s: vxlan-svcnodeip %s: invalid group address, " | |
484 | "for multicast IP please use attribute \"vxlan-mcastgrp\"" % (ifname, group)) | |
485 | # if svcnodeip is used instead of mcastgrp we warn the user | |
486 | # if mcast_grp is not provided by the user we can instead | |
487 | # use the svcnodeip value | |
488 | if not physdev: | |
489 | self.log_error("%s: vxlan: 'group' (vxlan-mcastgrp) requires 'vxlan-physdev' to be specified" % (ifname)) | |
490 | ||
491 | elif mcast_grp: | |
492 | try: | |
493 | mcast_grp = IPv4Address(mcast_grp) | |
494 | except AddressValueError: | |
495 | try: | |
496 | group_ip = IPv4Network(mcast_grp).ip | |
497 | self.logger.warning("%s: vxlan-mcastgrp %s: netmask ignored" % (ifname, mcast_grp)) | |
498 | mcast_grp = group_ip | |
499 | except: | |
500 | raise Exception("%s: invalid vxlan-mcastgrp %s: must be in ipv4 format" % (ifname, mcast_grp)) | |
501 | ||
502 | if not mcast_grp.is_multicast: | |
503 | self.logger.warning("%s: vxlan-mcastgrp %s: invalid group address, " | |
504 | "for non-multicast IP please use attribute \"vxlan-svcnodeip\"" | |
505 | % (ifname, mcast_grp)) | |
506 | # if mcastgrp is specified with a non-multicast address | |
507 | # we warn the user. If the svcnodeip wasn't specified by | |
508 | # the user we can use the mcastgrp value as svcnodeip | |
509 | if not group: | |
510 | group = mcast_grp | |
511 | mcast_grp = None | |
d486dd0d | 512 | else: |
223ba5af JF |
513 | attribute_name = "vxlan-mcastgrp" |
514 | ||
515 | if mcast_grp: | |
516 | group = mcast_grp | |
517 | ||
518 | if not physdev: | |
519 | self.log_error("%s: vxlan: 'group' (vxlan-mcastgrp) requires 'vxlan-physdev' to be specified" % (ifname)) | |
520 | ||
521 | cached_ifla_vxlan_group = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_GROUP) | |
522 | ||
523 | if group != cached_ifla_vxlan_group: | |
524 | ||
525 | if not group: | |
526 | group = IPAddress("0.0.0.0") | |
527 | attribute_name = "vxlan-svcnodeip/vxlan-mcastgrp" | |
528 | ||
529 | self.logger.info("%s: set %s %s" % (ifname, attribute_name, group)) | |
530 | user_request_vxlan_info_data[Link.IFLA_VXLAN_GROUP] = group | |
531 | ||
532 | # if the mcastgrp address is changed we need to signal this to the upper function | |
533 | # in this case vxlan needs to be down before applying changes then up'd | |
534 | multicast_group_change = True | |
d486dd0d JF |
535 | |
536 | if link_exists: | |
223ba5af JF |
537 | if cached_ifla_vxlan_group: |
538 | self.logger.info( | |
539 | "%s: vxlan-mcastgrp configuration changed (cache %s): flapping vxlan device required" | |
540 | % (ifname, cached_ifla_vxlan_group) | |
541 | ) | |
b067bba9 | 542 | else: |
223ba5af JF |
543 | self.logger.info( |
544 | "%s: vxlan-mcastgrp configuration changed: flapping vxlan device required" % ifname | |
545 | ) | |
b067bba9 | 546 | |
223ba5af | 547 | return group, multicast_group_change |
d486dd0d | 548 | |
223ba5af JF |
549 | def __config_vxlan_learning(self, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): |
550 | if not link_exists or not ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT: | |
551 | vxlan_learning = ifaceobj.get_attr_value_first('vxlan-learning') | |
552 | if not vxlan_learning: | |
553 | vxlan_learning = self.get_attr_default_value('vxlan-learning') | |
554 | vxlan_learning = utils.get_boolean_from_string(vxlan_learning) | |
555 | else: | |
556 | vxlan_learning = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_LEARNING) | |
d486dd0d | 557 | |
223ba5af JF |
558 | if vxlan_learning != cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_LEARNING): |
559 | self.logger.info("%s: set vxlan-learning %s" % (ifaceobj.name, "on" if vxlan_learning else "off")) | |
560 | user_request_vxlan_info_data[Link.IFLA_VXLAN_LEARNING] = vxlan_learning | |
561 | ||
562 | def __get_vxlan_physdev(self, ifaceobj, mcastgrp): | |
563 | """ | |
564 | vxlan-physdev wrapper, special handling is required for mcastgrp is provided | |
565 | the vxlan needs to use a dummy or real device for tunnel endpoint communication | |
566 | This wrapper will get the physdev from user config or policy. IF the device | |
567 | doesnt exists we create a dummy device. | |
568 | ||
569 | :param ifaceobj: | |
570 | :param mcastgrp: | |
571 | :return physdev: | |
572 | """ | |
573 | physdev = ifaceobj.get_attr_value_first("vxlan-physdev") | |
d486dd0d | 574 | |
223ba5af JF |
575 | # if the user provided a physdev we need to honor his config |
576 | # or if mcastgrp wasn't specified we don't need to go further | |
577 | if physdev or not mcastgrp: | |
578 | return physdev | |
579 | ||
580 | physdev = self.vxlan_physdev_mcast | |
581 | ||
582 | if not self.cache.link_exists(physdev): | |
583 | self.logger.info("%s: needs a dummy device (%s) to use for " | |
584 | "multicast termination (vxlan-mcastgrp %s)" | |
585 | % (ifaceobj.name, physdev, mcastgrp)) | |
586 | self.netlink.link_add_with_attributes(ifname=physdev, kind="dummy", ifla={Link.IFLA_MTU: 16000, Link.IFLA_LINKMODE: 1}) | |
587 | self.netlink.link_up(physdev) | |
588 | ||
589 | return physdev | |
590 | ||
591 | def __config_vxlan_physdev(self, link_exists, ifaceobj, vxlan_physdev, user_request_vxlan_info_data, cached_vxlan_ifla_info_data): | |
592 | if vxlan_physdev: | |
593 | try: | |
594 | vxlan_physdev_ifindex = self.cache.get_ifindex(vxlan_physdev) | |
595 | except NetlinkCacheIfnameNotFoundError: | |
d486dd0d | 596 | try: |
223ba5af JF |
597 | vxlan_physdev_ifindex = int(self.sysfs.read_file_oneline("/sys/class/net/%s/ifindex" % vxlan_physdev)) |
598 | except: | |
599 | self.logger.error("%s: physdev %s doesn't exists" % (ifaceobj.name, vxlan_physdev)) | |
600 | return | |
d486dd0d | 601 | |
223ba5af JF |
602 | if vxlan_physdev_ifindex != cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_LINK): |
603 | self.logger.info("%s: set vxlan-physdev %s" % (ifaceobj.name, vxlan_physdev)) | |
604 | user_request_vxlan_info_data[Link.IFLA_VXLAN_LINK] = vxlan_physdev_ifindex | |
d486dd0d | 605 | |
223ba5af JF |
606 | # if the vxlan exists we need to return True, meaning that the vxlan |
607 | # needs to be flapped because we detected a vxlan-physdev change | |
608 | if link_exists: | |
609 | self.logger.info("%s: vxlan-physdev configuration changed: flapping vxlan device required" % ifaceobj.name) | |
610 | return True | |
611 | ||
612 | return False | |
613 | ||
614 | def _up(self, ifaceobj): | |
615 | vxlan_id_str = ifaceobj.get_attr_value_first("vxlan-id") | |
616 | ||
617 | if not vxlan_id_str: | |
618 | return | |
619 | ||
620 | ifname = ifaceobj.name | |
621 | link_exists = self.cache.link_exists(ifname) | |
622 | ||
623 | if link_exists: | |
624 | # if link already exists make sure this is a vxlan | |
625 | device_link_kind = self.cache.get_link_kind(ifname) | |
626 | ||
627 | if device_link_kind != "vxlan": | |
628 | self.logger.error( | |
629 | "%s: device already exists and is not a vxlan (type %s)" | |
630 | % (ifname, device_link_kind) | |
d486dd0d | 631 | ) |
223ba5af JF |
632 | ifaceobj.set_status(ifaceStatus.ERROR) |
633 | return | |
d486dd0d | 634 | |
223ba5af JF |
635 | # get vxlan running attributes |
636 | cached_vxlan_ifla_info_data = self.cache.get_link_info_data(ifname) | |
637 | else: | |
638 | cached_vxlan_ifla_info_data = {} | |
d486dd0d | 639 | |
223ba5af | 640 | user_request_vxlan_info_data = {} |
d486dd0d | 641 | |
223ba5af JF |
642 | self.__config_vxlan_id(ifname, ifaceobj, vxlan_id_str, user_request_vxlan_info_data, cached_vxlan_ifla_info_data) |
643 | self.__config_vxlan_learning(ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data) | |
644 | self.__config_vxlan_ageing(ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data) | |
645 | self.__config_vxlan_port(ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data) | |
646 | self.__config_vxlan_ttl(ifname, ifaceobj, user_request_vxlan_info_data, cached_vxlan_ifla_info_data) | |
647 | local = self.__config_vxlan_local_tunnelip(ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data) | |
648 | ||
649 | vxlan_mcast_grp = self.__get_vxlan_mcast_grp(ifaceobj) | |
650 | vxlan_svcnodeip = self.__get_vxlan_svcnodeip(ifaceobj) | |
651 | vxlan_physdev = self.__get_vxlan_physdev(ifaceobj, vxlan_mcast_grp) | |
652 | ||
653 | vxlan_physdev_changed = self.__config_vxlan_physdev( | |
654 | link_exists, | |
655 | ifaceobj, | |
656 | vxlan_physdev, | |
657 | user_request_vxlan_info_data, | |
658 | cached_vxlan_ifla_info_data | |
659 | ) | |
660 | ||
661 | group, multicast_group_changed = self.__config_vxlan_group( | |
662 | ifname, | |
663 | ifaceobj, | |
664 | link_exists, | |
665 | vxlan_mcast_grp, | |
666 | vxlan_svcnodeip, | |
667 | vxlan_physdev, | |
668 | user_request_vxlan_info_data, | |
669 | cached_vxlan_ifla_info_data | |
670 | ) | |
671 | ||
672 | flap_vxlan_device = link_exists and (multicast_group_changed or vxlan_physdev_changed) | |
673 | ||
674 | if user_request_vxlan_info_data: | |
675 | ||
676 | if link_exists and not len(user_request_vxlan_info_data) > 1: | |
677 | # if the vxlan already exists it's already cached | |
678 | # user_request_vxlan_info_data always contains at least one | |
679 | # element: vxlan-id | |
680 | self.logger.info('%s: vxlan already exists - no change detected' % ifname) | |
681 | else: | |
d486dd0d | 682 | try: |
223ba5af JF |
683 | if flap_vxlan_device: |
684 | self.netlink.link_down_force(ifname) | |
685 | ||
686 | self.netlink.link_add_vxlan_with_info_data(ifname, user_request_vxlan_info_data) | |
687 | ||
688 | if flap_vxlan_device: | |
689 | self.netlink.link_up_force(ifname) | |
690 | except Exception as e: | |
691 | if link_exists: | |
692 | self.log_error("%s: applying vxlan change failed: %s" % (ifname, str(e)), ifaceobj) | |
693 | else: | |
694 | self.log_error("%s: vxlan creation failed: %s" % (ifname, str(e)), ifaceobj) | |
695 | return | |
696 | ||
697 | vxlan_purge_remotes = self.__get_vlxan_purge_remotes(ifaceobj) | |
698 | ||
699 | remoteips = ifaceobj.get_attr_value('vxlan-remoteip') | |
700 | if remoteips: | |
701 | try: | |
702 | for remoteip in remoteips: | |
703 | IPv4Address(remoteip) | |
704 | except Exception as e: | |
705 | self.log_error('%s: vxlan-remoteip: %s' % (ifaceobj.name, str(e))) | |
706 | ||
707 | if vxlan_purge_remotes or remoteips: | |
708 | # figure out the diff for remotes and do the bridge fdb updates | |
709 | # only if provisioned by user and not by an vxlan external | |
710 | # controller. | |
711 | peers = self.iproute2.get_vxlan_peers(ifaceobj.name, group) | |
712 | if local and remoteips and local in remoteips: | |
713 | remoteips.remove(local) | |
714 | cur_peers = set(peers) | |
715 | if remoteips: | |
716 | new_peers = set(remoteips) | |
717 | del_list = cur_peers.difference(new_peers) | |
718 | add_list = new_peers.difference(cur_peers) | |
719 | else: | |
720 | del_list = cur_peers | |
721 | add_list = [] | |
d486dd0d | 722 | |
223ba5af | 723 | for addr in del_list: |
d486dd0d | 724 | try: |
223ba5af JF |
725 | self.iproute2.bridge_fdb_del( |
726 | ifaceobj.name, | |
727 | "00:00:00:00:00:00", | |
728 | None, True, addr | |
729 | ) | |
d486dd0d JF |
730 | except: |
731 | pass | |
d486dd0d | 732 | |
223ba5af | 733 | for addr in add_list: |
d486dd0d | 734 | try: |
223ba5af JF |
735 | self.iproute2.bridge_fdb_append( |
736 | ifaceobj.name, | |
737 | "00:00:00:00:00:00", | |
738 | None, True, addr | |
739 | ) | |
740 | except: | |
741 | pass | |
d486dd0d JF |
742 | |
743 | def _down(self, ifaceobj): | |
744 | try: | |
223ba5af | 745 | self.netlink.link_del(ifaceobj.name) |
d486dd0d JF |
746 | except Exception, e: |
747 | self.log_warn(str(e)) | |
748 | ||
223ba5af JF |
749 | @staticmethod |
750 | def _query_check_n_update(ifaceobj, ifaceobjcurr, attrname, attrval, running_attrval): | |
d486dd0d JF |
751 | if not ifaceobj.get_attr_value_first(attrname): |
752 | return | |
753 | if running_attrval and attrval == running_attrval: | |
223ba5af | 754 | ifaceobjcurr.update_config_with_status(attrname, attrval, 0) |
d486dd0d | 755 | else: |
223ba5af | 756 | ifaceobjcurr.update_config_with_status(attrname, running_attrval, 1) |
d486dd0d | 757 | |
223ba5af JF |
758 | @staticmethod |
759 | def _query_check_n_update_addresses(ifaceobjcurr, attrname, addresses, running_addresses): | |
d486dd0d JF |
760 | if addresses: |
761 | for a in addresses: | |
762 | if a in running_addresses: | |
763 | ifaceobjcurr.update_config_with_status(attrname, a, 0) | |
764 | else: | |
765 | ifaceobjcurr.update_config_with_status(attrname, a, 1) | |
766 | running_addresses = Set(running_addresses).difference( | |
767 | Set(addresses)) | |
223ba5af | 768 | [ifaceobjcurr.update_config_with_status(attrname, a, 1) for a in running_addresses] |
d486dd0d JF |
769 | |
770 | def _query_check(self, ifaceobj, ifaceobjcurr): | |
223ba5af JF |
771 | ifname = ifaceobj.name |
772 | ||
773 | if not self.cache.link_exists(ifname): | |
d486dd0d | 774 | return |
d486dd0d | 775 | |
223ba5af JF |
776 | cached_vxlan_ifla_info_data = self.cache.get_link_info_data(ifname) |
777 | ||
778 | if not cached_vxlan_ifla_info_data: | |
779 | ifaceobjcurr.check_n_update_config_with_status_many(ifaceobj, self.get_mod_attrs(), -1) | |
780 | return | |
781 | ||
782 | for vxlan_attr_str, vxlan_attr_nl, callable_type in ( | |
783 | ('vxlan-id', Link.IFLA_VXLAN_ID, int), | |
784 | ('vxlan-ttl', Link.IFLA_VXLAN_TTL, int), | |
785 | ('vxlan-port', Link.IFLA_VXLAN_PORT, int), | |
786 | ('vxlan-ageing', Link.IFLA_VXLAN_AGEING, int), | |
787 | ('vxlan-mcastgrp', Link.IFLA_VXLAN_GROUP, IPv4Address), | |
788 | ('vxlan-svcnodeip', Link.IFLA_VXLAN_GROUP, IPv4Address), | |
789 | ('vxlan-physdev', Link.IFLA_VXLAN_LINK, lambda x: self.cache.get_ifindex(x)), | |
790 | ('vxlan-learning', Link.IFLA_VXLAN_LEARNING, lambda boolean_str: utils.get_boolean_from_string(boolean_str)), | |
791 | ): | |
792 | vxlan_attr_value = ifaceobj.get_attr_value_first(vxlan_attr_str) | |
d486dd0d | 793 | |
223ba5af JF |
794 | if not vxlan_attr_value: |
795 | continue | |
796 | ||
797 | cached_vxlan_attr_value = cached_vxlan_ifla_info_data.get(vxlan_attr_nl) | |
798 | ||
799 | try: | |
800 | vxlan_attr_value_nl = callable_type(vxlan_attr_value) | |
801 | except Exception as e: | |
802 | self.logger.warning('%s: %s: %s' % (ifname, vxlan_attr_str, str(e))) | |
803 | ifaceobjcurr.update_config_with_status(vxlan_attr_str, cached_vxlan_attr_value or 'None', 1) | |
804 | continue | |
805 | ||
806 | if vxlan_attr_value_nl == cached_vxlan_attr_value: | |
807 | ifaceobjcurr.update_config_with_status(vxlan_attr_str, vxlan_attr_value, 0) | |
808 | else: | |
809 | ifaceobjcurr.update_config_with_status(vxlan_attr_str, cached_vxlan_attr_value or 'None', 1) | |
810 | ||
811 | # | |
812 | # vxlan-local-tunnelip | |
813 | # | |
814 | running_attrval = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_LOCAL) | |
d486dd0d JF |
815 | attrval = ifaceobj.get_attr_value_first('vxlan-local-tunnelip') |
816 | if not attrval: | |
223ba5af JF |
817 | attrval = self._vxlan_local_tunnelip |
818 | # TODO: vxlan._vxlan_local_tunnelip should be a IPNetwork obj | |
d486dd0d JF |
819 | ifaceobj.update_config('vxlan-local-tunnelip', attrval) |
820 | ||
223ba5af | 821 | if str(running_attrval) == self._clagd_vxlan_anycast_ip: |
d486dd0d JF |
822 | # if local ip is anycast_ip, then let query_check to go through |
823 | attrval = self._clagd_vxlan_anycast_ip | |
d486dd0d | 824 | |
223ba5af JF |
825 | self._query_check_n_update( |
826 | ifaceobj, | |
827 | ifaceobjcurr, | |
828 | 'vxlan-local-tunnelip', | |
829 | str(attrval), | |
830 | str(running_attrval) | |
831 | ) | |
d486dd0d | 832 | |
223ba5af JF |
833 | # |
834 | # vxlan-remoteip | |
835 | # | |
836 | purge_remotes = self.__get_vlxan_purge_remotes(ifaceobj) | |
d486dd0d JF |
837 | if purge_remotes or ifaceobj.get_attr_value('vxlan-remoteip'): |
838 | # If purge remotes or if vxlan-remoteip's are set | |
839 | # in the config file, we are owners of the installed | |
840 | # remote-ip's, lets check and report any remote ips we don't | |
841 | # understand | |
223ba5af | 842 | cached_svcnode = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_GROUP) |
d486dd0d | 843 | |
223ba5af JF |
844 | self._query_check_n_update_addresses( |
845 | ifaceobjcurr, | |
846 | 'vxlan-remoteip', | |
847 | ifaceobj.get_attr_value('vxlan-remoteip'), | |
848 | self.iproute2.get_vxlan_peers(ifaceobj.name, str(cached_svcnode)) | |
849 | ) | |
a382b488 | 850 | |
223ba5af JF |
851 | def _query_running(self, ifaceobjrunning): |
852 | ifname = ifaceobjrunning.name | |
a382b488 | 853 | |
223ba5af JF |
854 | if not self.cache.link_exists(ifname): |
855 | return | |
a382b488 | 856 | |
223ba5af | 857 | if not self.cache.get_link_kind(ifname) == 'vxlan': |
d486dd0d | 858 | return |
223ba5af JF |
859 | |
860 | cached_vxlan_ifla_info_data = self.cache.get_link_info_data(ifname) | |
861 | ||
862 | if not cached_vxlan_ifla_info_data: | |
d486dd0d JF |
863 | return |
864 | ||
223ba5af JF |
865 | # |
866 | # vxlan-id | |
867 | # | |
868 | vxlan_id = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_ID) | |
869 | ||
870 | if not vxlan_id: | |
871 | # no vxlan id, meaning this not a vxlan | |
872 | return | |
873 | ||
874 | ifaceobjrunning.update_config('vxlan-id', str(vxlan_id)) | |
875 | ||
876 | # | |
877 | # vxlan-port | |
878 | # | |
879 | vxlan_port = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_PORT) | |
880 | ||
881 | if vxlan_port: | |
882 | ifaceobjrunning.update_config('vxlan-port', vxlan_port) | |
883 | ||
884 | # | |
885 | # vxlan-svcnode | |
886 | # | |
887 | vxlan_svcnode_value = cached_vxlan_ifla_info_data.get(Link.IFLA_VXLAN_GROUP) | |
888 | ||
889 | if vxlan_svcnode_value: | |
890 | vxlan_svcnode_value = str(vxlan_svcnode_value) | |
891 | ifaceobjrunning.update_config('vxlan-svcnode', vxlan_svcnode_value) | |
d486dd0d | 892 | |
223ba5af JF |
893 | # |
894 | # vxlan-remoteip | |
895 | # | |
896 | purge_remotes = self.__get_vlxan_purge_remotes(None) | |
d486dd0d JF |
897 | if purge_remotes: |
898 | # if purge_remotes is on, it means we own the | |
899 | # remote ips. Query them and add it to the running config | |
223ba5af | 900 | attrval = self.iproute2.get_vxlan_peers(ifname, vxlan_svcnode_value) |
d486dd0d | 901 | if attrval: |
223ba5af JF |
902 | [ifaceobjrunning.update_config('vxlan-remoteip', a) for a in attrval] |
903 | ||
904 | # | |
905 | # vxlan-link | |
906 | # vxlan-ageing | |
907 | # vxlan-learning | |
908 | # vxlan-local-tunnelip | |
909 | # | |
910 | for vxlan_attr_name, vxlan_attr_nl, callable_netlink_value_to_string in ( | |
911 | ('vxlan-physdev', Link.IFLA_VXLAN_LINK, self._get_ifname_for_ifindex), | |
912 | ('vxlan-ageing', Link.IFLA_VXLAN_AGEING, str), | |
913 | ('vxlan-learning', Link.IFLA_VXLAN_LEARNING, lambda value: 'on' if value else 'off'), | |
914 | ('vxlan-local-tunnelip', Link.IFLA_VXLAN_LOCAL, str), | |
915 | ): | |
916 | vxlan_attr_value = cached_vxlan_ifla_info_data.get(vxlan_attr_nl) | |
917 | ||
918 | if vxlan_attr_value is not None: | |
919 | vxlan_attr_value_str = callable_netlink_value_to_string(vxlan_attr_nl) | |
920 | ||
921 | if vxlan_attr_value: | |
922 | ifaceobjrunning.update_config(vxlan_attr_name, vxlan_attr_value_str) | |
923 | ||
924 | def _get_ifname_for_ifindex(self, ifindex): | |
925 | """ | |
926 | we need this middle-man function to query the cache | |
927 | cache.get_ifname can raise KeyError, we need to catch | |
928 | it and return None | |
929 | """ | |
930 | try: | |
931 | return self.cache.get_ifname(ifindex) | |
932 | except KeyError: | |
933 | return None | |
a382b488 | 934 | |
223ba5af JF |
935 | _run_ops = { |
936 | "pre-up": _up, | |
937 | "post-down": _down, | |
938 | "query-running": _query_running, | |
939 | "query-checkcurr": _query_check | |
940 | } | |
d486dd0d JF |
941 | |
942 | def get_ops(self): | |
943 | return self._run_ops.keys() | |
944 | ||
d486dd0d JF |
945 | def run(self, ifaceobj, operation, query_ifaceobj=None, **extra_args): |
946 | op_handler = self._run_ops.get(operation) | |
947 | if not op_handler: | |
948 | return | |
223ba5af JF |
949 | |
950 | if operation != 'query-running': | |
951 | if not self._is_vxlan_device(ifaceobj): | |
952 | return | |
953 | ||
954 | if not self.vxlan_mcastgrp_ref \ | |
955 | and self.vxlan_physdev_mcast \ | |
956 | and self.cache.link_exists(self.vxlan_physdev_mcast): | |
957 | self.netlink.link_del(self.vxlan_physdev_mcast) | |
958 | self.reset() | |
959 | ||
d486dd0d JF |
960 | if operation == 'query-checkcurr': |
961 | op_handler(self, ifaceobj, query_ifaceobj) | |
962 | else: | |
963 | op_handler(self, ifaceobj) |