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1 | #!/usr/bin/python |
2 | # | |
3 | # Copyright 2014-2017 Cumulus Networks, Inc. All rights reserved. | |
4 | # Author: Roopa Prabhu, roopa@cumulusnetworks.com | |
5 | # Julien Fortin, julien@cumulusnetworks.com | |
6 | # | |
7 | ||
8 | import os | |
9 | import re | |
10 | import glob | |
11 | import shlex | |
12 | import signal | |
13 | import subprocess | |
14 | ||
15 | from ipaddr import IPNetwork, IPv6Network | |
16 | ||
17 | try: | |
18 | import ifupdown2.ifupdown.statemanager as statemanager | |
19 | import ifupdown2.ifupdown.ifupdownflags as ifupdownflags | |
20 | ||
21 | from ifupdown2.nlmanager.nlmanager import Link, Route | |
22 | ||
23 | from ifupdown2.ifupdown.iface import * | |
24 | from ifupdown2.ifupdown.utils import utils | |
25 | from ifupdown2.ifupdown.netlink import netlink | |
26 | ||
27 | from ifupdown2.ifupdownaddons.utilsbase import utilsBase | |
28 | from ifupdown2.ifupdownaddons.cache import linkCache, MSTPAttrsCache | |
29 | except ImportError: | |
30 | import ifupdown.ifupdownflags as ifupdownflags | |
31 | import ifupdown.statemanager as statemanager | |
32 | ||
33 | from nlmanager.nlmanager import Link, Route | |
34 | ||
35 | from ifupdown.iface import * | |
36 | from ifupdown.utils import utils | |
37 | from ifupdown.netlink import netlink | |
38 | ||
39 | from ifupdownaddons.utilsbase import utilsBase | |
40 | from ifupdownaddons.cache import linkCache, MSTPAttrsCache | |
41 | ||
42 | ||
43 | class LinkUtils(utilsBase): | |
44 | """ | |
45 | This class contains helper methods to cache and manipulate interfaces through | |
46 | non-netlink APIs (sysfs, iproute2, brctl...) | |
47 | """ | |
48 | _CACHE_FILL_DONE = False | |
49 | VXLAN_UDP_PORT = 4789 | |
50 | ||
51 | ipbatchbuf = '' | |
52 | ipbatch = False | |
53 | ipbatch_pause = False | |
54 | ||
55 | bridge_utils_is_installed = os.path.exists(utils.brctl_cmd) | |
56 | bridge_utils_missing_warning = True | |
57 | ||
58 | def __init__(self, *args, **kargs): | |
59 | utilsBase.__init__(self, *args, **kargs) | |
60 | ||
61 | self.supported_command = { | |
62 | '%s -c -json vlan show' % utils.bridge_cmd: True, | |
63 | 'showmcqv4src': True | |
64 | } | |
65 | self.bridge_vlan_cache = {} | |
66 | self.bridge_vlan_cache_fill_done = False | |
67 | ||
68 | if not ifupdownflags.flags.PERFMODE and not LinkUtils._CACHE_FILL_DONE: | |
69 | self._fill_cache() | |
70 | ||
71 | @classmethod | |
72 | def reset(cls): | |
73 | LinkUtils._CACHE_FILL_DONE = False | |
74 | LinkUtils.ipbatchbuf = '' | |
75 | LinkUtils.ipbatch = False | |
76 | LinkUtils.ipbatch_pause = False | |
77 | ||
78 | def _fill_cache(self): | |
79 | if not LinkUtils._CACHE_FILL_DONE: | |
80 | self._link_fill() | |
81 | self._addr_fill() | |
82 | LinkUtils._CACHE_FILL_DONE = True | |
83 | return True | |
84 | return False | |
85 | ||
86 | @staticmethod | |
87 | def _get_vland_id(citems, i, warn): | |
88 | try: | |
89 | sub = citems[i:] | |
90 | index = sub.index('id') | |
91 | int(sub[index + 1]) | |
92 | return sub[index + 1] | |
93 | except: | |
94 | if warn: | |
95 | raise Exception('invalid use of \'vlan\' keyword') | |
96 | return None | |
97 | ||
98 | def _link_fill(self, ifacename=None, refresh=False): | |
99 | """ fills cache with link information | |
100 | ||
101 | if ifacename argument given, fill cache for ifacename, else | |
102 | fill cache for all interfaces in the system | |
103 | """ | |
104 | ||
105 | if LinkUtils._CACHE_FILL_DONE and not refresh: | |
106 | return | |
107 | try: | |
108 | # if ifacename already present, return | |
109 | if (ifacename and not refresh and | |
110 | linkCache.get_attr([ifacename, 'ifflag'])): | |
111 | return | |
112 | except: | |
113 | pass | |
114 | ||
115 | if True: | |
116 | try: | |
117 | [linkCache.update_attrdict([ifname], linkattrs) | |
118 | for ifname, linkattrs in netlink.link_dump(ifacename).items()] | |
119 | except Exception as e: | |
120 | self.logger.info('%s' % str(e)) | |
121 | # this netlink call replaces the call to _link_fill_iproute2_cmd() | |
122 | # We shouldn't have netlink calls in the iproute2 module, this will | |
123 | # be removed in the future. We plan to release, a flexible backend | |
124 | # (netlink+iproute2) by default we will use netlink backend but with | |
125 | # a CLI arg we can switch to iproute2 backend. | |
126 | # Until we decide to create this "backend" switch capability, | |
127 | # we have to put the netlink call inside the iproute2 module. | |
128 | else: | |
129 | self._link_fill_iproute2_cmd(ifacename, refresh) | |
130 | ||
131 | self._fill_bond_info(ifacename) | |
132 | self._fill_bridge_info(ifacename) | |
133 | ||
134 | def _fill_bridge_info(self, ifacename): | |
135 | ||
136 | if True: # netlink | |
137 | brports = {} | |
138 | ||
139 | if ifacename: | |
140 | cache_dict = {ifacename: linkCache.links.get(ifacename, {})} | |
141 | else: | |
142 | cache_dict = linkCache.links | |
143 | ||
144 | for ifname, obj in cache_dict.items(): | |
145 | slave_kind = obj.get('slave_kind') | |
146 | if not slave_kind and slave_kind != 'bridge': | |
147 | continue | |
148 | ||
149 | info_slave_data = obj.get('info_slave_data') | |
150 | if not info_slave_data: | |
151 | continue | |
152 | ||
153 | ifla_master = obj.get('master') | |
154 | if not ifla_master: | |
155 | raise Exception('No master associated with bridge port %s' % ifname) | |
156 | ||
157 | for nl_attr in [ | |
158 | Link.IFLA_BRPORT_STATE, | |
159 | Link.IFLA_BRPORT_COST, | |
160 | Link.IFLA_BRPORT_PRIORITY, | |
161 | ]: | |
162 | if nl_attr not in info_slave_data and LinkUtils.bridge_utils_is_installed: | |
163 | self._fill_bridge_info_brctl() | |
164 | return | |
165 | ||
166 | brport_attrs = { | |
167 | 'pathcost': str(info_slave_data.get(Link.IFLA_BRPORT_COST, 0)), | |
168 | 'fdelay': format(float(info_slave_data.get(Link.IFLA_BRPORT_FORWARD_DELAY_TIMER, 0) / 100), '.2f'), | |
169 | 'portmcrouter': str(info_slave_data.get(Link.IFLA_BRPORT_MULTICAST_ROUTER, 0)), | |
170 | 'portmcfl': str(info_slave_data.get(Link.IFLA_BRPORT_FAST_LEAVE, 0)), | |
171 | 'portprio': str(info_slave_data.get(Link.IFLA_BRPORT_PRIORITY, 0)), | |
172 | 'unicast-flood': str(info_slave_data.get(Link.IFLA_BRPORT_UNICAST_FLOOD, 0)), | |
173 | 'multicast-flood': str(info_slave_data.get(Link.IFLA_BRPORT_MCAST_FLOOD, 0)), | |
174 | 'learning': str(info_slave_data.get(Link.IFLA_BRPORT_LEARNING, 0)), | |
175 | 'arp-nd-suppress': str(info_slave_data.get(Link.IFLA_BRPORT_ARP_SUPPRESS, 0)) | |
176 | } | |
177 | ||
178 | if ifla_master in brports: | |
179 | brports[ifla_master][ifname] = brport_attrs | |
180 | else: | |
181 | brports[ifla_master] = {ifname: brport_attrs} | |
182 | ||
183 | linkCache.update_attrdict([ifla_master, 'linkinfo', 'ports'], brports[ifla_master]) | |
184 | else: | |
185 | if LinkUtils.bridge_utils_is_installed: | |
186 | self._fill_bridge_info_brctl() | |
187 | ||
188 | def _fill_bridge_info_brctl(self): | |
189 | brctlout = utils.exec_command('%s show' % utils.brctl_cmd) | |
190 | if not brctlout: | |
191 | return | |
192 | ||
193 | for bline in brctlout.splitlines()[1:]: | |
194 | bitems = bline.split() | |
195 | if len(bitems) < 2: | |
196 | continue | |
197 | try: | |
198 | linkCache.update_attrdict([bitems[0], 'linkinfo'], | |
199 | {'stp': bitems[2]}) | |
200 | except KeyError: | |
201 | linkCache.update_attrdict([bitems[0]], | |
202 | {'linkinfo': {'stp': bitems[2]}}) | |
203 | self._bridge_attrs_fill(bitems[0]) | |
204 | ||
205 | def _bridge_attrs_fill(self, bridgename): | |
206 | battrs = {} | |
207 | bports = {} | |
208 | ||
209 | brout = utils.exec_command('%s showstp %s' % (utils.brctl_cmd, bridgename)) | |
210 | chunks = re.split(r'\n\n', brout, maxsplit=0, flags=re.MULTILINE) | |
211 | ||
212 | try: | |
213 | # Get all bridge attributes | |
214 | broutlines = chunks[0].splitlines() | |
215 | # battrs['pathcost'] = broutlines[3].split('path cost')[1].strip() | |
216 | ||
217 | try: | |
218 | battrs['maxage'] = broutlines[4].split('bridge max age')[ | |
219 | 1].strip().replace('.00', '') | |
220 | except: | |
221 | pass | |
222 | ||
223 | try: | |
224 | battrs['hello'] = broutlines[5].split('bridge hello time')[ | |
225 | 1].strip().replace('.00', '') | |
226 | except: | |
227 | pass | |
228 | ||
229 | try: | |
230 | battrs['fd'] = broutlines[6].split('bridge forward delay')[ | |
231 | 1].strip().replace('.00', '') | |
232 | except: | |
233 | pass | |
234 | ||
235 | try: | |
236 | battrs['ageing'] = broutlines[7].split('ageing time')[ | |
237 | 1].strip().replace('.00', '') | |
238 | except: | |
239 | pass | |
240 | ||
241 | try: | |
242 | battrs['mcrouter'] = broutlines[12].split('mc router')[ | |
243 | 1].strip().split('\t\t\t')[0] | |
244 | except: | |
245 | pass | |
246 | ||
247 | try: | |
248 | battrs['bridgeprio'] = self.read_file_oneline( | |
249 | '/sys/class/net/%s/bridge/priority' % bridgename) | |
250 | except: | |
251 | pass | |
252 | ||
253 | try: | |
254 | battrs['vlan-protocol'] = VlanProtocols.ID_TO_ETHERTYPES[ | |
255 | self.read_file_oneline( | |
256 | '/sys/class/net/%s/bridge/vlan_protocol' % bridgename)] | |
257 | except: | |
258 | pass | |
259 | ||
260 | try: | |
261 | battrs.update(self._bridge_get_mcattrs_from_sysfs(bridgename)) | |
262 | except: | |
263 | pass | |
264 | ||
265 | # XXX: comment this out until mc attributes become available | |
266 | # with brctl again | |
267 | # battrs['hashel'] = broutlines[10].split('hash elasticity')[1].split()[0].strip() | |
268 | # battrs['hashmax'] = broutlines[10].split('hash max')[1].strip() | |
269 | # battrs['mclmc'] = broutlines[11].split('mc last member count')[1].split()[0].strip() | |
270 | # battrs['mciqc'] = broutlines[11].split('mc init query count')[1].strip() | |
271 | # battrs['mcrouter'] = broutlines[12].split('mc router')[1].split()[0].strip() | |
272 | ##battrs['mcsnoop'] = broutlines[12].split('mc snooping')[1].strip() | |
273 | # battrs['mclmt'] = broutlines[13].split('mc last member timer')[1].split()[0].strip() | |
274 | except Exception, e: | |
275 | self.logger.warn('%s: error while processing bridge attributes: %s' % (bridgename, str(e))) | |
276 | pass | |
277 | ||
278 | linkCache.update_attrdict([bridgename, 'linkinfo'], battrs) | |
279 | for cidx in range(1, len(chunks)): | |
280 | bpout = chunks[cidx].lstrip('\n') | |
281 | if not bpout or bpout[0] == ' ': | |
282 | continue | |
283 | bplines = bpout.splitlines() | |
284 | pname = bplines[0].split()[0] | |
285 | bportattrs = {} | |
286 | try: | |
287 | bportattrs['pathcost'] = bplines[2].split( | |
288 | 'path cost')[1].strip() | |
289 | bportattrs['fdelay'] = bplines[4].split( | |
290 | 'forward delay timer')[1].strip() | |
291 | bportattrs['portmcrouter'] = self.read_file_oneline( | |
292 | '/sys/class/net/%s/brport/multicast_router' % pname) | |
293 | bportattrs['portmcfl'] = self.read_file_oneline( | |
294 | '/sys/class/net/%s/brport/multicast_fast_leave' % pname) | |
295 | bportattrs['portprio'] = self.read_file_oneline( | |
296 | '/sys/class/net/%s/brport/priority' % pname) | |
297 | bportattrs['unicast-flood'] = self.read_file_oneline( | |
298 | '/sys/class/net/%s/brport/unicast_flood' % pname) | |
299 | bportattrs['multicast-flood'] = self.read_file_oneline( | |
300 | '/sys/class/net/%s/brport/multicast_flood' % pname) | |
301 | bportattrs['learning'] = self.read_file_oneline( | |
302 | '/sys/class/net/%s/brport/learning' % pname) | |
303 | bportattrs['arp-nd-suppress'] = self.read_file_oneline( | |
304 | '/sys/class/net/%s/brport/neigh_suppress' % pname) | |
305 | # bportattrs['mcrouters'] = bplines[6].split('mc router')[1].split()[0].strip() | |
306 | # bportattrs['mc fast leave'] = bplines[6].split('mc fast leave')[1].strip() | |
307 | except Exception, e: | |
308 | self.logger.warn('%s: error while processing bridge attributes: %s' % (bridgename, str(e))) | |
309 | bports[pname] = bportattrs | |
310 | linkCache.update_attrdict([bridgename, 'linkinfo', 'ports'], bports) | |
311 | ||
312 | _bridge_sysfs_mcattrs = { | |
313 | 'mclmc': 'multicast_last_member_count', | |
314 | 'mcrouter': 'multicast_router', | |
315 | 'mcsnoop': 'multicast_snooping', | |
316 | 'mcsqc': 'multicast_startup_query_count', | |
317 | 'mcqifaddr': 'multicast_query_use_ifaddr', | |
318 | 'mcquerier': 'multicast_querier', | |
319 | 'hashel': 'hash_elasticity', | |
320 | 'hashmax': 'hash_max', | |
321 | 'mclmi': 'multicast_last_member_interval', | |
322 | 'mcmi': 'multicast_membership_interval', | |
323 | 'mcqpi': 'multicast_querier_interval', | |
324 | 'mcqi': 'multicast_query_interval', | |
325 | 'mcqri': 'multicast_query_response_interval', | |
326 | 'mcsqi': 'multicast_startup_query_interval', | |
327 | 'igmp-version': 'multicast_igmp_version', | |
328 | 'mld-version': 'multicast_mld_version', | |
329 | 'vlan-stats': 'vlan_stats_enabled', | |
330 | 'mcstats': 'multicast_stats_enabled', | |
331 | } | |
332 | ||
333 | def _bridge_get_mcattrs_from_sysfs(self, bridgename): | |
334 | mcattrsdivby100 = ['mclmi', 'mcmi', 'mcqpi', 'mcqi', 'mcqri', 'mcsqi'] | |
335 | mcattrs = {} | |
336 | ||
337 | for m, s in self._bridge_sysfs_mcattrs.items(): | |
338 | n = self.read_file_oneline('/sys/class/net/%s/bridge/%s' % (bridgename, s)) | |
339 | if m in mcattrsdivby100: | |
340 | try: | |
341 | v = int(n) / 100 | |
342 | mcattrs[m] = str(v) | |
343 | except Exception, e: | |
344 | self.logger.warn('error getting mc attr %s (%s)' % (m, str(e))) | |
345 | pass | |
346 | else: | |
347 | mcattrs[m] = n | |
348 | return mcattrs | |
349 | ||
350 | def _fill_bond_info(self, ifacename): | |
351 | bonding_masters = self.read_file_oneline('/sys/class/net/bonding_masters') | |
352 | if not bonding_masters: | |
353 | return | |
354 | ||
355 | bond_masters_list = bonding_masters.split() | |
356 | ||
357 | if ifacename: | |
358 | if ifacename in bond_masters_list: | |
359 | bond_masters_list = [ifacename] | |
360 | else: | |
361 | # we want to refresh this interface only if it's a bond master | |
362 | return | |
363 | ||
364 | for bondname in bond_masters_list: | |
365 | try: | |
366 | if bondname not in linkCache.links: | |
367 | linkCache.set_attr([bondname], {'linkinfo': {}}) | |
368 | linkCache.set_attr([bondname, 'linkinfo', 'slaves'], | |
369 | self.read_file_oneline('/sys/class/net/%s/bonding/slaves' | |
370 | % bondname).split()) | |
371 | try: | |
372 | # if some attribute are missing we try to get the bond attributes via sysfs | |
373 | bond_linkinfo = linkCache.links[bondname]['linkinfo'] | |
374 | for attr in [Link.IFLA_BOND_MODE, Link.IFLA_BOND_XMIT_HASH_POLICY, Link.IFLA_BOND_MIN_LINKS]: | |
375 | if attr not in bond_linkinfo: | |
376 | self._fill_bond_info_sysfs(bondname) | |
377 | # after we fill in the cache we can continue to the next bond | |
378 | break | |
379 | except: | |
380 | self._fill_bond_info_sysfs(bondname) | |
381 | ||
382 | except Exception as e: | |
383 | self.logger.debug('LinkUtils: bond cache error: %s' % str(e)) | |
384 | ||
385 | def _fill_bond_info_sysfs(self, bondname): | |
386 | try: | |
387 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_MIN_LINKS], | |
388 | self.read_file_oneline( | |
389 | '/sys/class/net/%s/bonding/min_links' | |
390 | % bondname)) | |
391 | except Exception as e: | |
392 | self.logger.debug(str(e)) | |
393 | ||
394 | try: | |
395 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_MODE], | |
396 | self.read_file_oneline('/sys/class/net/%s/bonding/mode' | |
397 | % bondname).split()[0]) | |
398 | except Exception as e: | |
399 | self.logger.debug(str(e)) | |
400 | try: | |
401 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_XMIT_HASH_POLICY], | |
402 | self.read_file_oneline( | |
403 | '/sys/class/net/%s/bonding/xmit_hash_policy' | |
404 | % bondname).split()[0]) | |
405 | except Exception as e: | |
406 | self.logger.debug(str(e)) | |
407 | try: | |
408 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_AD_LACP_RATE], | |
409 | self.read_file_oneline('/sys/class/net/%s/bonding/lacp_rate' | |
410 | % bondname).split()[1]) | |
411 | except Exception as e: | |
412 | self.logger.debug(str(e)) | |
413 | try: | |
414 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_AD_ACTOR_SYS_PRIO], | |
415 | self.read_file_oneline('/sys/class/net/%s/bonding/ad_actor_sys_prio' | |
416 | % bondname)) | |
417 | except Exception as e: | |
418 | self.logger.debug(str(e)) | |
419 | try: | |
420 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_AD_ACTOR_SYSTEM], | |
421 | self.read_file_oneline('/sys/class/net/%s/bonding/ad_actor_system' | |
422 | % bondname)) | |
423 | except Exception as e: | |
424 | self.logger.debug(str(e)) | |
425 | try: | |
426 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_AD_LACP_BYPASS], | |
427 | self.read_file_oneline('/sys/class/net/%s/bonding/lacp_bypass' | |
428 | % bondname).split()[1]) | |
429 | except Exception as e: | |
430 | self.logger.debug(str(e)) | |
431 | try: | |
432 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_UPDELAY], | |
433 | self.read_file_oneline('/sys/class/net/%s/bonding/updelay' | |
434 | % bondname)) | |
435 | except Exception as e: | |
436 | self.logger.debug(str(e)) | |
437 | try: | |
438 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_DOWNDELAY], | |
439 | self.read_file_oneline('/sys/class/net/%s/bonding/downdelay' | |
440 | % bondname)) | |
441 | except Exception as e: | |
442 | self.logger.debug(str(e)) | |
443 | ||
444 | try: | |
445 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_USE_CARRIER], | |
446 | self.read_file_oneline('/sys/class/net/%s/bonding/use_carrier' % bondname)) | |
447 | except Exception as e: | |
448 | self.logger.debug(str(e)) | |
449 | ||
450 | try: | |
451 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_MIIMON], | |
452 | self.read_file_oneline('/sys/class/net/%s/bonding/miimon' % bondname)) | |
453 | except Exception as e: | |
454 | self.logger.debug(str(e)) | |
455 | ||
456 | try: | |
457 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_NUM_PEER_NOTIF], | |
458 | self.read_file_oneline('/sys/class/net/%s/bonding/num_unsol_na' % bondname)) | |
459 | except Exception as e: | |
460 | self.logger.debug(str(e)) | |
461 | ||
462 | try: | |
463 | linkCache.set_attr([bondname, 'linkinfo', Link.IFLA_BOND_NUM_PEER_NOTIF], | |
464 | self.read_file_oneline('/sys/class/net/%s/bonding/num_grat_arp' % bondname)) | |
465 | except Exception as e: | |
466 | self.logger.debug(str(e)) | |
467 | ||
468 | ||
469 | def _link_fill_iproute2_cmd(self, ifacename=None, refresh=False): | |
470 | warn = True | |
471 | linkout = {} | |
472 | if LinkUtils._CACHE_FILL_DONE and not refresh: | |
473 | return | |
474 | try: | |
475 | # if ifacename already present, return | |
476 | if (ifacename and not refresh and | |
477 | linkCache.get_attr([ifacename, 'ifflag'])): | |
478 | return | |
479 | except: | |
480 | pass | |
481 | cmdout = self.link_show(ifacename=ifacename) | |
482 | if not cmdout: | |
483 | return | |
484 | for c in cmdout.splitlines(): | |
485 | citems = c.split() | |
486 | ifnamenlink = citems[1].split('@') | |
487 | if len(ifnamenlink) > 1: | |
488 | ifname = ifnamenlink[0] | |
489 | iflink = ifnamenlink[1].strip(':') | |
490 | else: | |
491 | ifname = ifnamenlink[0].strip(':') | |
492 | iflink = None | |
493 | linkattrs = dict() | |
494 | linkattrs['link'] = iflink | |
495 | linkattrs['ifindex'] = citems[0].strip(':') | |
496 | flags = citems[2].strip('<>').split(',') | |
497 | linkattrs['flags'] = flags | |
498 | linkattrs['ifflag'] = 'UP' if 'UP' in flags else 'DOWN' | |
499 | for i in range(0, len(citems)): | |
500 | try: | |
501 | if citems[i] == 'mtu': | |
502 | linkattrs['mtu'] = citems[i + 1] | |
503 | elif citems[i] == 'state': | |
504 | linkattrs['state'] = citems[i + 1] | |
505 | elif citems[i] == 'link/ether': | |
506 | linkattrs['hwaddress'] = citems[i + 1] | |
507 | elif citems[i] == 'vlan': | |
508 | vlanid = self._get_vland_id(citems, i, warn) | |
509 | if vlanid: | |
510 | linkattrs['linkinfo'] = {'vlanid': vlanid} | |
511 | linkattrs['kind'] = 'vlan' | |
512 | elif citems[i] == 'dummy': | |
513 | linkattrs['kind'] = 'dummy' | |
514 | elif citems[i] == 'vxlan' and citems[i + 1] == 'id': | |
515 | linkattrs['kind'] = 'vxlan' | |
516 | vattrs = {'vxlanid': citems[i + 2], | |
517 | 'svcnode': None, | |
518 | 'remote': [], | |
519 | 'ageing': citems[i + 2], | |
520 | 'learning': 'on'} | |
521 | for j in range(i + 2, len(citems)): | |
522 | if citems[j] == 'local': | |
523 | vattrs['local'] = citems[j + 1] | |
524 | elif citems[j] == 'remote': | |
525 | vattrs['svcnode'] = citems[j + 1] | |
526 | elif citems[j] == 'ageing': | |
527 | vattrs['ageing'] = citems[j + 1] | |
528 | elif citems[j] == 'nolearning': | |
529 | vattrs['learning'] = 'off' | |
530 | linkattrs['linkinfo'] = vattrs | |
531 | break | |
532 | elif citems[i] == 'vrf' and citems[i + 1] == 'table': | |
533 | vattrs = {'table': citems[i + 2]} | |
534 | linkattrs['linkinfo'] = vattrs | |
535 | linkattrs['kind'] = 'vrf' | |
536 | linkCache.vrfs[ifname] = vattrs | |
537 | break | |
538 | elif citems[i] == 'veth': | |
539 | linkattrs['kind'] = 'veth' | |
540 | elif citems[i] == 'vrf_slave': | |
541 | linkattrs['slave_kind'] = 'vrf_slave' | |
542 | break | |
543 | elif citems[i] == 'macvlan' and citems[i + 1] == 'mode': | |
544 | linkattrs['kind'] = 'macvlan' | |
545 | except Exception as e: | |
546 | if warn: | |
547 | self.logger.debug('%s: parsing error: id, mtu, state, ' | |
548 | 'link/ether, vlan, dummy, vxlan, local, ' | |
549 | 'remote, ageing, nolearning, vrf, table, ' | |
550 | 'vrf_slave are reserved keywords: %s' % | |
551 | (ifname, str(e))) | |
552 | warn = False | |
553 | # linkattrs['alias'] = self.read_file_oneline( | |
554 | # '/sys/class/net/%s/ifalias' %ifname) | |
555 | linkout[ifname] = linkattrs | |
556 | [linkCache.update_attrdict([ifname], linkattrs) | |
557 | for ifname, linkattrs in linkout.items()] | |
558 | ||
559 | @staticmethod | |
560 | def _addr_filter(ifname, addr, scope=None): | |
561 | default_addrs = ['127.0.0.1/8', '::1/128', '0.0.0.0'] | |
562 | if ifname == 'lo' and addr in default_addrs: | |
563 | return True | |
564 | if scope and scope == 'link': | |
565 | return True | |
566 | return False | |
567 | ||
568 | def _addr_fill(self, ifacename=None, refresh=False): | |
569 | """ fills cache with address information | |
570 | ||
571 | if ifacename argument given, fill cache for ifacename, else | |
572 | fill cache for all interfaces in the system | |
573 | """ | |
574 | if LinkUtils._CACHE_FILL_DONE and not refresh: | |
575 | return | |
576 | try: | |
577 | # Check if ifacename is already full, in which case, return | |
578 | if ifacename and not refresh: | |
579 | linkCache.get_attr([ifacename, 'addrs']) | |
580 | return | |
581 | except: | |
582 | pass | |
583 | ||
584 | if True: | |
585 | try: | |
586 | [linkCache.update_attrdict([ifname], linkattrs) | |
587 | for ifname, linkattrs in netlink.addr_dump(ifname=ifacename).items()] | |
588 | except Exception as e: | |
589 | self.logger.info(str(e)) | |
590 | ||
591 | # this netlink call replaces the call to _addr_fill_iproute2_cmd() | |
592 | # We shouldn't have netlink calls in the iproute2 module, this will | |
593 | # be removed in the future. We plan to release, a flexible backend | |
594 | # (netlink+iproute2) by default we will use netlink backend but with | |
595 | # a CLI arg we can switch to iproute2 backend. | |
596 | # Until we decide to create this "backend" switch capability, | |
597 | # we have to put the netlink call inside the iproute2 module. | |
598 | ||
599 | else: | |
600 | self._addr_fill_iproute2_cmd(ifacename, refresh) | |
601 | ||
602 | def _addr_fill_iproute2_cmd(self, ifacename=None, refresh=False): | |
603 | """ fills cache with address information | |
604 | ||
605 | if ifacename argument given, fill cache for ifacename, else | |
606 | fill cache for all interfaces in the system | |
607 | """ | |
608 | linkout = {} | |
609 | if LinkUtils._CACHE_FILL_DONE and not refresh: | |
610 | return | |
611 | try: | |
612 | # Check if ifacename is already full, in which case, return | |
613 | if ifacename and not refresh: | |
614 | linkCache.get_attr([ifacename, 'addrs']) | |
615 | return | |
616 | except: | |
617 | pass | |
618 | cmdout = self.addr_show(ifacename=ifacename) | |
619 | if not cmdout: | |
620 | return | |
621 | for c in cmdout.splitlines(): | |
622 | citems = c.split() | |
623 | ifnamenlink = citems[1].split('@') | |
624 | if len(ifnamenlink) > 1: | |
625 | ifname = ifnamenlink[0] | |
626 | else: | |
627 | ifname = ifnamenlink[0].strip(':') | |
628 | if not linkout.get(ifname): | |
629 | linkattrs = dict() | |
630 | linkattrs['addrs'] = OrderedDict({}) | |
631 | try: | |
632 | linkout[ifname].update(linkattrs) | |
633 | except KeyError: | |
634 | linkout[ifname] = linkattrs | |
635 | if citems[2] == 'inet': | |
636 | if self._addr_filter(ifname, citems[3], scope=citems[5]): | |
637 | continue | |
638 | addrattrs = dict() | |
639 | addrattrs['scope'] = citems[5] | |
640 | addrattrs['type'] = 'inet' | |
641 | linkout[ifname]['addrs'][citems[3]] = addrattrs | |
642 | elif citems[2] == 'inet6': | |
643 | if self._addr_filter(ifname, citems[3], scope=citems[5]): | |
644 | continue | |
645 | if citems[5] == 'link': | |
646 | continue # skip 'link' addresses | |
647 | addrattrs = dict() | |
648 | addrattrs['scope'] = citems[5] | |
649 | addrattrs['type'] = 'inet6' | |
650 | linkout[ifname]['addrs'][citems[3]] = addrattrs | |
651 | [linkCache.update_attrdict([ifname], linkattrs) | |
652 | for ifname, linkattrs in linkout.items()] | |
653 | ||
654 | def cache_get(self, t, attrlist, refresh=False): | |
655 | return self._cache_get(t, attrlist, refresh) | |
656 | ||
657 | def _cache_get(self, t, attrlist, refresh=False): | |
658 | try: | |
659 | if ifupdownflags.flags.DRYRUN: | |
660 | return False | |
661 | if ifupdownflags.flags.CACHE: | |
662 | if self._fill_cache(): | |
663 | # if we filled the cache, return new data | |
664 | return linkCache.get_attr(attrlist) | |
665 | if not refresh: | |
666 | return linkCache.get_attr(attrlist) | |
667 | if t == 'link': | |
668 | self._link_fill(attrlist[0], refresh) | |
669 | elif t == 'addr': | |
670 | self._addr_fill(attrlist[0], refresh) | |
671 | else: | |
672 | self._link_fill(attrlist[0], refresh) | |
673 | self._addr_fill(attrlist[0], refresh) | |
674 | return linkCache.get_attr(attrlist) | |
675 | except Exception, e: | |
676 | self.logger.debug('_cache_get(%s) : [%s]' % (str(attrlist), str(e))) | |
677 | return None | |
678 | ||
679 | def cache_check(self, attrlist, value, refresh=False): | |
680 | return self._cache_check('link', attrlist, value, refresh=refresh) | |
681 | ||
682 | def _cache_check(self, t, attrlist, value, refresh=False): | |
683 | try: | |
684 | return self._cache_get(t, attrlist, refresh) == value | |
685 | except Exception, e: | |
686 | self.logger.debug('_cache_check(%s) : [%s]' | |
687 | % (str(attrlist), str(e))) | |
688 | return False | |
689 | ||
690 | def cache_update(self, attrlist, value): | |
691 | return self._cache_update(attrlist, value) | |
692 | ||
693 | @staticmethod | |
694 | def _cache_update(attrlist, value): | |
695 | if ifupdownflags.flags.DRYRUN: | |
696 | return | |
697 | try: | |
698 | if attrlist[-1] == 'slaves': | |
699 | linkCache.append_to_attrlist(attrlist, value) | |
700 | return | |
701 | linkCache.set_attr(attrlist, value) | |
702 | except: | |
703 | pass | |
704 | ||
705 | @staticmethod | |
706 | def _cache_delete(attrlist, value=None): | |
707 | if ifupdownflags.flags.DRYRUN: | |
708 | return | |
709 | try: | |
710 | if value: | |
711 | linkCache.remove_from_attrlist(attrlist, value) | |
712 | else: | |
713 | linkCache.del_attr(attrlist) | |
714 | except: | |
715 | pass | |
716 | ||
717 | @staticmethod | |
718 | def _cache_invalidate(): | |
719 | linkCache.invalidate() | |
720 | LinkUtils._CACHE_FILL_DONE = False | |
721 | ||
722 | @staticmethod | |
723 | def batch_start(): | |
724 | LinkUtils.ipbatcbuf = '' | |
725 | LinkUtils.ipbatch = True | |
726 | LinkUtils.ipbatch_pause = False | |
727 | ||
728 | @staticmethod | |
729 | def add_to_batch(cmd): | |
730 | LinkUtils.ipbatchbuf += cmd + '\n' | |
731 | ||
732 | @staticmethod | |
733 | def batch_pause(): | |
734 | LinkUtils.ipbatch_pause = True | |
735 | ||
736 | @staticmethod | |
737 | def batch_resume(): | |
738 | LinkUtils.ipbatch_pause = False | |
739 | ||
740 | def batch_commit(self): | |
741 | if not LinkUtils.ipbatchbuf: | |
742 | LinkUtils.ipbatchbuf = '' | |
743 | LinkUtils.ipbatch = False | |
744 | LinkUtils.ipbatch_pause = False | |
745 | return | |
746 | try: | |
747 | utils.exec_command('%s -force -batch -' % utils.ip_cmd, | |
748 | stdin=self.ipbatchbuf) | |
749 | except: | |
750 | raise | |
751 | finally: | |
752 | LinkUtils.ipbatchbuf = '' | |
753 | LinkUtils.ipbatch = False | |
754 | LinkUtils.ipbatch_pause = False | |
755 | ||
756 | def bridge_batch_commit(self): | |
757 | if not LinkUtils.ipbatchbuf: | |
758 | LinkUtils.ipbatchbuf = '' | |
759 | LinkUtils.ipbatch = False | |
760 | LinkUtils.ipbatch_pause = False | |
761 | return | |
762 | try: | |
763 | utils.exec_command('%s -force -batch -' | |
764 | % utils.bridge_cmd, stdin=self.ipbatchbuf) | |
765 | except: | |
766 | raise | |
767 | finally: | |
768 | LinkUtils.ipbatchbuf = '' | |
769 | LinkUtils.ipbatch = False | |
770 | LinkUtils.ipbatch_pause = False | |
771 | ||
772 | def addr_show(self, ifacename=None): | |
773 | if ifacename: | |
774 | if not self.link_exists(ifacename): | |
775 | return | |
776 | return utils.exec_commandl([utils.ip_cmd, | |
777 | '-o', 'addr', 'show', 'dev', ifacename]) | |
778 | else: | |
779 | return utils.exec_commandl([utils.ip_cmd, | |
780 | '-o', 'addr', 'show']) | |
781 | ||
782 | @staticmethod | |
783 | def link_show(ifacename=None): | |
784 | if ifacename: | |
785 | return utils.exec_commandl([utils.ip_cmd, | |
786 | '-o', '-d', 'link', 'show', 'dev', ifacename]) | |
787 | else: | |
788 | return utils.exec_commandl([utils.ip_cmd, | |
789 | '-o', '-d', 'link', 'show']) | |
790 | ||
791 | def addr_add(self, ifacename, address, broadcast=None, | |
792 | peer=None, scope=None, preferred_lifetime=None): | |
793 | if not address: | |
794 | return | |
795 | cmd = 'addr add %s' % address | |
796 | if broadcast: | |
797 | cmd += ' broadcast %s' % broadcast | |
798 | if peer: | |
799 | cmd += ' peer %s' % peer | |
800 | if scope: | |
801 | cmd += ' scope %s' % scope | |
802 | if preferred_lifetime: | |
803 | cmd += ' preferred_lft %s' % preferred_lifetime | |
804 | cmd += ' dev %s' % ifacename | |
805 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
806 | self.add_to_batch(cmd) | |
807 | else: | |
808 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
809 | self._cache_update([ifacename, 'addrs', address], {}) | |
810 | ||
811 | def addr_del(self, ifacename, address, broadcast=None, | |
812 | peer=None, scope=None): | |
813 | """ Delete ipv4 address """ | |
814 | if not address: | |
815 | return | |
816 | if not self._cache_get('addr', [ifacename, 'addrs', address]): | |
817 | return | |
818 | cmd = 'addr del %s' % address | |
819 | if broadcast: | |
820 | cmd += 'broadcast %s' % broadcast | |
821 | if peer: | |
822 | cmd += 'peer %s' % peer | |
823 | if scope: | |
824 | cmd += 'scope %s' % scope | |
825 | cmd += ' dev %s' % ifacename | |
826 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
827 | self._cache_delete([ifacename, 'addrs', address]) | |
828 | ||
829 | def addr_flush(self, ifacename): | |
830 | cmd = 'addr flush dev %s' % ifacename | |
831 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
832 | self.add_to_batch(cmd) | |
833 | else: | |
834 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
835 | self._cache_delete([ifacename, 'addrs']) | |
836 | ||
837 | def del_addr_all(self, ifacename, skip_addrs=[]): | |
838 | if not skip_addrs: | |
839 | skip_addrs = [] | |
840 | runningaddrsdict = self.get_running_addrs(ifname=ifacename) | |
841 | try: | |
842 | # XXX: ignore errors. Fix this to delete secondary addresses | |
843 | # first | |
844 | [self.addr_del(ifacename, a) for a in | |
845 | set(runningaddrsdict.keys()).difference(skip_addrs)] | |
846 | except: | |
847 | # ignore errors | |
848 | pass | |
849 | ||
850 | def addr_get(self, ifacename, details=True, refresh=False): | |
851 | addrs = self._cache_get('addr', [ifacename, 'addrs'], refresh=refresh) | |
852 | if not addrs: | |
853 | return None | |
854 | if details: | |
855 | return addrs | |
856 | return addrs.keys() | |
857 | ||
858 | def get_running_addrs(self, ifaceobj=None, ifname=None, details=True, addr_virtual_ifaceobj=None): | |
859 | """ | |
860 | We now support addr with link scope. Since the kernel may add it's | |
861 | own link address to some interfaces we need to filter them out and | |
862 | make sure we only deal with the addresses set by ifupdown2. | |
863 | ||
864 | To do so we look at the previous configuration made by ifupdown2 | |
865 | (with the help of the statemanager) together with the addresses | |
866 | specified by the user in /etc/network/interfaces, these addresses | |
867 | are then compared to the running state of the intf (ip addr show) | |
868 | made via a netlink addr dump. | |
869 | For each configured addresses of scope link, we check if it was | |
870 | previously configured by ifupdown2 to create a final set of the | |
871 | addresses watched by ifupdown2 | |
872 | """ | |
873 | if not ifaceobj and not ifname: | |
874 | return None | |
875 | ||
876 | config_addrs = set() | |
877 | ||
878 | if ifaceobj: | |
879 | interface_name = ifaceobj.name | |
880 | else: | |
881 | interface_name = ifname | |
882 | ||
883 | if addr_virtual_ifaceobj: | |
884 | for virtual in addr_virtual_ifaceobj.get_attr_value('address-virtual') or []: | |
885 | for ip in virtual.split(): | |
886 | try: | |
887 | IPNetwork(ip) | |
888 | config_addrs.add(ip) | |
889 | except: | |
890 | pass | |
891 | ||
892 | saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(addr_virtual_ifaceobj.name) | |
893 | for saved_ifaceobj in saved_ifaceobjs or []: | |
894 | for virtual in saved_ifaceobj.get_attr_value('address-virtual') or []: | |
895 | for ip in virtual.split(): | |
896 | try: | |
897 | IPNetwork(ip) | |
898 | config_addrs.add(ip) | |
899 | except: | |
900 | pass | |
901 | else: | |
902 | if ifaceobj: | |
903 | for addr in ifaceobj.get_attr_value('address') or []: | |
904 | config_addrs.add(addr) | |
905 | ||
906 | saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(interface_name) | |
907 | for saved_ifaceobj in saved_ifaceobjs or []: | |
908 | for addr in saved_ifaceobj.get_attr_value('address') or []: | |
909 | config_addrs.add(addr) | |
910 | ||
911 | running_addrs = OrderedDict() | |
912 | cached_addrs = self.addr_get(interface_name) | |
913 | if cached_addrs: | |
914 | for addr, addr_details in cached_addrs.items(): | |
915 | try: | |
916 | scope = int(addr_details['scope']) | |
917 | except Exception: | |
918 | try: | |
919 | d = {} | |
920 | addr_obj = IPNetwork(addr) | |
921 | if isinstance(addr_obj, IPv6Network): | |
922 | d['family'] = 'inet6' | |
923 | else: | |
924 | d['family'] = 'inet' | |
925 | running_addrs[addr] = d | |
926 | except: | |
927 | running_addrs[addr] = {} | |
928 | continue | |
929 | if (scope & Route.RT_SCOPE_LINK and addr in config_addrs) or not scope & Route.RT_SCOPE_LINK: | |
930 | running_addrs[addr] = addr_details | |
931 | else: | |
932 | return None | |
933 | ||
934 | if details: | |
935 | return running_addrs | |
936 | return running_addrs.keys() | |
937 | ||
938 | @staticmethod | |
939 | def compare_user_config_vs_running_state(running_addrs, user_addrs): | |
940 | ip4 = [] | |
941 | ip6 = [] | |
942 | ||
943 | for ip in user_addrs or []: | |
944 | obj = IPNetwork(ip) | |
945 | ||
946 | if type(obj) == IPv6Network: | |
947 | ip6.append(obj) | |
948 | else: | |
949 | ip4.append(obj) | |
950 | ||
951 | running_ipobj = [] | |
952 | for ip in running_addrs or []: | |
953 | running_ipobj.append(IPNetwork(ip)) | |
954 | ||
955 | return running_ipobj == (ip4 + ip6) | |
956 | ||
957 | def addr_add_multiple(self, ifaceobj, ifacename, addrs, purge_existing=False): | |
958 | # purges address | |
959 | if purge_existing: | |
960 | # if perfmode is not set and also if iface has no sibling | |
961 | # objects, purge addresses that are not present in the new | |
962 | # config | |
963 | runningaddrs = self.get_running_addrs( | |
964 | ifname=ifacename, | |
965 | details=False, | |
966 | addr_virtual_ifaceobj=ifaceobj | |
967 | ) | |
968 | addrs = utils.get_normalized_ip_addr(ifacename, addrs) | |
969 | ||
970 | if self.compare_user_config_vs_running_state(runningaddrs, addrs): | |
971 | return | |
972 | try: | |
973 | # if primary address is not same, there is no need to keep any. | |
974 | # reset all addresses | |
975 | if (addrs and runningaddrs and | |
976 | (addrs[0] != runningaddrs[0])): | |
977 | self.del_addr_all(ifacename) | |
978 | else: | |
979 | self.del_addr_all(ifacename, addrs) | |
980 | except Exception, e: | |
981 | self.logger.warning('%s: %s' % (ifacename, str(e))) | |
982 | for a in addrs: | |
983 | try: | |
984 | self.addr_add(ifacename, a) | |
985 | except Exception, e: | |
986 | self.logger.error(str(e)) | |
987 | ||
988 | def _link_set_ifflag(self, ifacename, value): | |
989 | # Dont look at the cache, the cache may have stale value | |
990 | # because link status can be changed by external | |
991 | # entity (One such entity is ifupdown main program) | |
992 | cmd = 'link set dev %s %s' % (ifacename, value.lower()) | |
993 | if LinkUtils.ipbatch: | |
994 | self.add_to_batch(cmd) | |
995 | else: | |
996 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
997 | ||
998 | def link_up(self, ifacename): | |
999 | self._link_set_ifflag(ifacename, 'UP') | |
1000 | ||
1001 | def link_down(self, ifacename): | |
1002 | self._link_set_ifflag(ifacename, 'DOWN') | |
1003 | ||
1004 | def link_set(self, ifacename, key, value=None, | |
1005 | force=False, t=None, state=None): | |
1006 | if not force: | |
1007 | if (key not in ['master', 'nomaster'] and | |
1008 | self._cache_check('link', [ifacename, key], value)): | |
1009 | return | |
1010 | cmd = 'link set dev %s' % ifacename | |
1011 | if t: | |
1012 | cmd += ' type %s' % t | |
1013 | cmd += ' %s' % key | |
1014 | if value: | |
1015 | cmd += ' %s' % value | |
1016 | if state: | |
1017 | cmd += ' %s' % state | |
1018 | if LinkUtils.ipbatch: | |
1019 | self.add_to_batch(cmd) | |
1020 | else: | |
1021 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
1022 | if key not in ['master', 'nomaster']: | |
1023 | self._cache_update([ifacename, key], value) | |
1024 | ||
1025 | def link_set_hwaddress(self, ifacename, hwaddress, force=False): | |
1026 | if not force: | |
1027 | if self._cache_check('link', [ifacename, 'hwaddress'], hwaddress): | |
1028 | return | |
1029 | self.link_down(ifacename) | |
1030 | cmd = 'link set dev %s address %s' % (ifacename, hwaddress) | |
1031 | if LinkUtils.ipbatch: | |
1032 | self.add_to_batch(cmd) | |
1033 | else: | |
1034 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
1035 | self.link_up(ifacename) | |
1036 | self._cache_update([ifacename, 'hwaddress'], hwaddress) | |
1037 | ||
1038 | def link_set_mtu(self, ifacename, mtu): | |
1039 | if ifupdownflags.flags.DRYRUN: | |
1040 | return True | |
1041 | if not mtu or not ifacename: return | |
1042 | self.write_file('/sys/class/net/%s/mtu' % ifacename, mtu) | |
1043 | self._cache_update([ifacename, 'mtu'], mtu) | |
1044 | ||
1045 | def link_set_alias(self, ifacename, alias): | |
1046 | self.write_file('/sys/class/net/%s/ifalias' % ifacename, | |
1047 | '\n' if not alias else alias) | |
1048 | ||
1049 | def link_get_alias(self, ifacename): | |
1050 | return self.read_file_oneline('/sys/class/net/%s/ifalias' | |
1051 | % ifacename) | |
1052 | ||
1053 | def link_isloopback(self, ifacename): | |
1054 | flags = self._cache_get('link', [ifacename, 'flags']) | |
1055 | if not flags: | |
1056 | return | |
1057 | if 'LOOPBACK' in flags: | |
1058 | return True | |
1059 | return False | |
1060 | ||
1061 | def link_get_status(self, ifacename): | |
1062 | return self._cache_get('link', [ifacename, 'ifflag'], refresh=True) | |
1063 | ||
1064 | @staticmethod | |
1065 | def route_add_gateway(ifacename, gateway, vrf=None, metric=None): | |
1066 | if not gateway: | |
1067 | return | |
1068 | if not vrf: | |
1069 | cmd = '%s route add default via %s proto kernel' % (utils.ip_cmd, | |
1070 | gateway) | |
1071 | else: | |
1072 | cmd = ('%s route add table %s default via %s proto kernel' % | |
1073 | (utils.ip_cmd, vrf, gateway)) | |
1074 | # Add metric | |
1075 | if metric: | |
1076 | cmd += 'metric %s' % metric | |
1077 | cmd += ' dev %s' % ifacename | |
1078 | utils.exec_command(cmd) | |
1079 | ||
1080 | @staticmethod | |
1081 | def route_del_gateway(ifacename, gateway, vrf=None, metric=None): | |
1082 | # delete default gw | |
1083 | if not gateway: | |
1084 | return | |
1085 | if not vrf: | |
1086 | cmd = ('%s route del default via %s proto kernel' % | |
1087 | (utils.ip_cmd, gateway)) | |
1088 | else: | |
1089 | cmd = ('%s route del table %s default via %s proto kernel' % | |
1090 | (utils.ip_cmd, vrf, gateway)) | |
1091 | if metric: | |
1092 | cmd += ' metric %s' % metric | |
1093 | cmd += ' dev %s' % ifacename | |
1094 | utils.exec_command(cmd) | |
1095 | ||
1096 | @staticmethod | |
1097 | def _get_vrf_id(ifacename): | |
1098 | try: | |
1099 | return linkCache.vrfs[ifacename]['table'] | |
1100 | except KeyError: | |
1101 | dump = netlink.link_dump(ifacename) | |
1102 | ||
1103 | [linkCache.update_attrdict([ifname], linkattrs) | |
1104 | for ifname, linkattrs in dump.items()] | |
1105 | ||
1106 | if dump and dump.get(ifacename, {}).get('kind') == 'vrf': | |
1107 | vrf_table = dump.get(ifacename, {}).get('linkinfo', {}).get('table') | |
1108 | linkCache.vrfs[ifacename] = {'table': vrf_table} | |
1109 | return vrf_table | |
1110 | ||
1111 | return None | |
1112 | ||
1113 | def fix_ipv6_route_metric(self, ifaceobj, macvlan_ifacename, ips): | |
1114 | vrf_table = None | |
1115 | ||
1116 | if ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE: | |
1117 | try: | |
1118 | for upper_iface in ifaceobj.upperifaces: | |
1119 | vrf_table = self._get_vrf_id(upper_iface) | |
1120 | if vrf_table: | |
1121 | break | |
1122 | except: | |
1123 | pass | |
1124 | ||
1125 | ip_route_del = [] | |
1126 | for ip in ips: | |
1127 | ip_network_obj = IPNetwork(ip) | |
1128 | ||
1129 | if type(ip_network_obj) == IPv6Network: | |
1130 | route_prefix = '%s/%d' % (ip_network_obj.network, ip_network_obj.prefixlen) | |
1131 | ||
1132 | if vrf_table: | |
1133 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1134 | LinkUtils.add_to_batch('route del %s table %s dev %s' % (route_prefix, vrf_table, macvlan_ifacename)) | |
1135 | else: | |
1136 | utils.exec_commandl([utils.ip_cmd, 'route', 'del', route_prefix, 'table', vrf_table, 'dev', macvlan_ifacename]) | |
1137 | else: | |
1138 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1139 | LinkUtils.add_to_batch('route del %s dev %s' % (route_prefix, macvlan_ifacename)) | |
1140 | else: | |
1141 | utils.exec_commandl([utils.ip_cmd, 'route', 'del', route_prefix, 'dev', macvlan_ifacename]) | |
1142 | ip_route_del.append((route_prefix, vrf_table)) | |
1143 | ||
1144 | for ip, vrf_table in ip_route_del: | |
1145 | if vrf_table: | |
1146 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1147 | LinkUtils.add_to_batch('route add %s table %s dev %s proto kernel metric 9999' % (ip, vrf_table, macvlan_ifacename)) | |
1148 | else: | |
1149 | utils.exec_commandl([utils.ip_cmd, 'route', 'add', ip, 'table', vrf_table, 'dev', macvlan_ifacename, 'proto', 'kernel' 'metric', '9999']) | |
1150 | else: | |
1151 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1152 | LinkUtils.add_to_batch('route add %s dev %s proto kernel metric 9999' % (ip, macvlan_ifacename)) | |
1153 | else: | |
1154 | utils.exec_commandl([utils.ip_cmd, 'route', 'add', ip, 'dev', macvlan_ifacename, 'proto', 'kernel' 'metric', '9999']) | |
1155 | ||
1156 | def link_create_vlan(self, vlan_device_name, vlan_raw_device, vlanid): | |
1157 | if self.link_exists(vlan_device_name): | |
1158 | return | |
1159 | utils.exec_command('%s link add link %s name %s type vlan id %d' % | |
1160 | (utils.ip_cmd, | |
1161 | vlan_raw_device, vlan_device_name, vlanid)) | |
1162 | self._cache_update([vlan_device_name], {}) | |
1163 | ||
1164 | def link_create_vlan_from_name(self, vlan_device_name): | |
1165 | v = vlan_device_name.split('.') | |
1166 | if len(v) != 2: | |
1167 | self.logger.warn('invalid vlan device name %s' % vlan_device_name) | |
1168 | return | |
1169 | self.link_create_vlan(vlan_device_name, v[0], v[1]) | |
1170 | ||
1171 | def link_create_macvlan(self, name, linkdev, mode='private'): | |
1172 | if self.link_exists(name): | |
1173 | return | |
1174 | cmd = ('link add link %s' % linkdev + | |
1175 | ' name %s' % name + | |
1176 | ' type macvlan mode %s' % mode) | |
1177 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1178 | self.add_to_batch(cmd) | |
1179 | else: | |
1180 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
1181 | self._cache_update([name], {}) | |
1182 | ||
1183 | def get_vxlan_peers(self, dev, svcnodeip): | |
1184 | cmd = '%s fdb show brport %s' % (utils.bridge_cmd, | |
1185 | dev) | |
1186 | cur_peers = [] | |
1187 | try: | |
1188 | ps = subprocess.Popen(shlex.split(cmd), stdout=subprocess.PIPE, close_fds=False) | |
1189 | utils.enable_subprocess_signal_forwarding(ps, signal.SIGINT) | |
1190 | output = subprocess.check_output(('grep', '00:00:00:00:00:00'), stdin=ps.stdout) | |
1191 | ps.wait() | |
1192 | utils.disable_subprocess_signal_forwarding(signal.SIGINT) | |
1193 | try: | |
1194 | ppat = re.compile('\s+dst\s+(\d+.\d+.\d+.\d+)\s+') | |
1195 | for l in output.split('\n'): | |
1196 | m = ppat.search(l) | |
1197 | if m and m.group(1) != svcnodeip: | |
1198 | cur_peers.append(m.group(1)) | |
1199 | except: | |
1200 | self.logger.warn('error parsing ip link output') | |
1201 | except subprocess.CalledProcessError as e: | |
1202 | if e.returncode != 1: | |
1203 | self.logger.error(str(e)) | |
1204 | finally: | |
1205 | utils.disable_subprocess_signal_forwarding(signal.SIGINT) | |
1206 | ||
1207 | return cur_peers | |
1208 | ||
1209 | def link_create_vxlan(self, name, vxlanid, | |
1210 | localtunnelip=None, | |
1211 | svcnodeip=None, | |
1212 | remoteips=None, | |
1213 | learning='on', | |
1214 | ageing=None, | |
1215 | anycastip=None): | |
1216 | if svcnodeip and remoteips: | |
1217 | raise Exception("svcnodeip and remoteip is mutually exclusive") | |
1218 | args = '' | |
1219 | if svcnodeip: | |
1220 | args += ' remote %s' % svcnodeip | |
1221 | if ageing: | |
1222 | args += ' ageing %s' % ageing | |
1223 | if learning == 'off': | |
1224 | args += ' nolearning' | |
1225 | ||
1226 | if self.link_exists(name): | |
1227 | cmd = 'link set dev %s type vxlan dstport %d' % (name, LinkUtils.VXLAN_UDP_PORT) | |
1228 | vxlanattrs = self.get_vxlandev_attrs(name) | |
1229 | # on ifreload do not overwrite anycast_ip to individual ip if clagd | |
1230 | # has modified | |
1231 | if vxlanattrs: | |
1232 | running_localtunnelip = vxlanattrs.get('local') | |
1233 | if anycastip and running_localtunnelip and anycastip == running_localtunnelip: | |
1234 | localtunnelip = running_localtunnelip | |
1235 | running_svcnode = vxlanattrs.get('svcnode') | |
1236 | if running_svcnode and not svcnodeip: | |
1237 | args += ' noremote' | |
1238 | else: | |
1239 | cmd = 'link add dev %s type vxlan id %s dstport %d' % (name, vxlanid, LinkUtils.VXLAN_UDP_PORT) | |
1240 | ||
1241 | if localtunnelip: | |
1242 | args += ' local %s' % localtunnelip | |
1243 | cmd += args | |
1244 | ||
1245 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1246 | self.add_to_batch(cmd) | |
1247 | else: | |
1248 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
1249 | ||
1250 | # XXX: update linkinfo correctly | |
1251 | #self._cache_update([name], {}) | |
1252 | ||
1253 | @staticmethod | |
1254 | def link_exists(ifacename): | |
1255 | if ifupdownflags.flags.DRYRUN: | |
1256 | return True | |
1257 | return os.path.exists('/sys/class/net/%s' % ifacename) | |
1258 | ||
1259 | def link_get_ifindex(self, ifacename): | |
1260 | if ifupdownflags.flags.DRYRUN: | |
1261 | return True | |
1262 | return self.read_file_oneline('/sys/class/net/%s/ifindex' % ifacename) | |
1263 | ||
1264 | def is_vlan_device_by_name(self, ifacename): | |
1265 | if re.search(r'\.', ifacename): | |
1266 | return True | |
1267 | return False | |
1268 | ||
1269 | @staticmethod | |
1270 | def link_add_macvlan(ifname, macvlan_ifacename): | |
1271 | utils.exec_commandl(['ip', 'link', 'add', 'link', ifname, 'name', macvlan_ifacename, 'type', 'macvlan', 'mode', 'private']) | |
1272 | ||
1273 | @staticmethod | |
1274 | def route_add(route): | |
1275 | utils.exec_command('%s route add %s' % (utils.ip_cmd, | |
1276 | route)) | |
1277 | ||
1278 | @staticmethod | |
1279 | def route6_add(route): | |
1280 | utils.exec_command('%s -6 route add %s' % (utils.ip_cmd, | |
1281 | route)) | |
1282 | ||
1283 | def get_vlandev_attrs(self, ifacename): | |
1284 | return (self._cache_get('link', [ifacename, 'link']), | |
1285 | self._cache_get('link', [ifacename, 'linkinfo', 'vlanid']), | |
1286 | self._cache_get('link', [ifacename, 'linkinfo', 'vlan_protocol'])) | |
1287 | ||
1288 | def get_vlan_protocol(self, ifacename): | |
1289 | return self._cache_get('link', [ifacename, 'linkinfo', 'vlan_protocol']) | |
1290 | ||
1291 | def get_vxlandev_attrs(self, ifacename): | |
1292 | return self._cache_get('link', [ifacename, 'linkinfo']) | |
1293 | ||
1294 | def get_vxlandev_learning(self, ifacename): | |
1295 | return self._cache_get('link', [ifacename, 'linkinfo', Link.IFLA_VXLAN_LEARNING]) | |
1296 | ||
1297 | def set_vxlandev_learning(self, ifacename, learn): | |
1298 | if learn == 'on': | |
1299 | utils.exec_command('%s link set dev %s type vxlan learning' % | |
1300 | (utils.ip_cmd, ifacename)) | |
1301 | self._cache_update([ifacename, 'linkinfo', 'learning'], 'on') | |
1302 | else: | |
1303 | utils.exec_command('%s link set dev %s type vxlan nolearning' % | |
1304 | (utils.ip_cmd, ifacename)) | |
1305 | self._cache_update([ifacename, 'linkinfo', 'learning'], 'off') | |
1306 | ||
1307 | def link_get_linkinfo_attrs(self, ifacename): | |
1308 | return self._cache_get('link', [ifacename, 'linkinfo']) | |
1309 | ||
1310 | def link_get_mtu(self, ifacename, refresh=False): | |
1311 | return self._cache_get('link', [ifacename, 'mtu'], refresh=refresh) | |
1312 | ||
1313 | def link_get_mtu_sysfs(self, ifacename): | |
1314 | return self.read_file_oneline('/sys/class/net/%s/mtu' | |
1315 | % ifacename) | |
1316 | ||
1317 | def link_get_kind(self, ifacename): | |
1318 | return self._cache_get('link', [ifacename, 'kind']) | |
1319 | ||
1320 | def link_get_slave_kind(self, ifacename): | |
1321 | return self._cache_get('link', [ifacename, 'slave_kind']) | |
1322 | ||
1323 | def link_get_hwaddress(self, ifacename): | |
1324 | address = self._cache_get('link', [ifacename, 'hwaddress']) | |
1325 | # newly created logical interface addresses dont end up in the cache | |
1326 | # read hwaddress from sysfs file for these interfaces | |
1327 | if not address: | |
1328 | address = self.read_file_oneline('/sys/class/net/%s/address' | |
1329 | % ifacename) | |
1330 | return address | |
1331 | ||
1332 | def link_create(self, ifacename, t, attrs={}): | |
1333 | """ generic link_create function """ | |
1334 | if self.link_exists(ifacename): | |
1335 | return | |
1336 | cmd = 'link add' | |
1337 | cmd += ' name %s type %s' % (ifacename, t) | |
1338 | if attrs: | |
1339 | for k, v in attrs.iteritems(): | |
1340 | cmd += ' %s' % k | |
1341 | if v: | |
1342 | cmd += ' %s' % v | |
1343 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1344 | self.add_to_batch(cmd) | |
1345 | else: | |
1346 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
1347 | self._cache_update([ifacename], {}) | |
1348 | ||
1349 | def link_delete(self, ifacename): | |
1350 | if not self.link_exists(ifacename): | |
1351 | return | |
1352 | cmd = 'link del %s' % ifacename | |
1353 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1354 | self.add_to_batch(cmd) | |
1355 | else: | |
1356 | utils.exec_command('%s %s' % (utils.ip_cmd, cmd)) | |
1357 | self._cache_invalidate() | |
1358 | ||
1359 | def link_get_master(self, ifacename): | |
1360 | sysfs_master_path = '/sys/class/net/%s/master' % ifacename | |
1361 | if os.path.exists(sysfs_master_path): | |
1362 | link_path = os.readlink(sysfs_master_path) | |
1363 | if link_path: | |
1364 | return os.path.basename(link_path) | |
1365 | else: | |
1366 | return None | |
1367 | else: | |
1368 | return self._cache_get('link', [ifacename, 'master']) | |
1369 | ||
1370 | def get_brport_peer_link(self, bridgename): | |
1371 | try: | |
1372 | return self._cache_get('link', [bridgename, 'info_slave_data', Link.IFLA_BRPORT_PEER_LINK]) | |
1373 | except: | |
1374 | return None | |
1375 | ||
1376 | @staticmethod | |
1377 | def bridge_port_vids_add(bridgeportname, vids): | |
1378 | [utils.exec_command('%s vlan add vid %s dev %s' % | |
1379 | (utils.bridge_cmd, | |
1380 | v, bridgeportname)) for v in vids] | |
1381 | ||
1382 | @staticmethod | |
1383 | def bridge_port_vids_del(bridgeportname, vids): | |
1384 | if not vids: | |
1385 | return | |
1386 | [utils.exec_command('%s vlan del vid %s dev %s' % | |
1387 | (utils.bridge_cmd, | |
1388 | v, bridgeportname)) for v in vids] | |
1389 | ||
1390 | @staticmethod | |
1391 | def bridge_port_vids_flush(bridgeportname, vid): | |
1392 | utils.exec_command('%s vlan del vid %s dev %s' % | |
1393 | (utils.bridge_cmd, | |
1394 | vid, bridgeportname)) | |
1395 | ||
1396 | @staticmethod | |
1397 | def bridge_port_vids_get(bridgeportname): | |
1398 | bridgeout = utils.exec_command('%s vlan show dev %s' % | |
1399 | (utils.bridge_cmd, | |
1400 | bridgeportname)) | |
1401 | if not bridgeout: | |
1402 | return [] | |
1403 | brvlanlines = bridgeout.readlines()[2:] | |
1404 | vids = [l.strip() for l in brvlanlines] | |
1405 | return [v for v in vids if v] | |
1406 | ||
1407 | @staticmethod | |
1408 | def bridge_port_vids_get_all(): | |
1409 | brvlaninfo = {} | |
1410 | bridgeout = utils.exec_command('%s -c vlan show' | |
1411 | % utils.bridge_cmd) | |
1412 | if not bridgeout: | |
1413 | return brvlaninfo | |
1414 | brvlanlines = bridgeout.splitlines() | |
1415 | brportname = None | |
1416 | for l in brvlanlines[1:]: | |
1417 | if l and not l.startswith(' ') and not l.startswith('\t'): | |
1418 | attrs = l.split() | |
1419 | brportname = attrs[0].strip() | |
1420 | brvlaninfo[brportname] = {'pvid': None, 'vlan': []} | |
1421 | l = ' '.join(attrs[1:]) | |
1422 | if not brportname or not l: | |
1423 | continue | |
1424 | l = l.strip() | |
1425 | if 'PVID' in l: | |
1426 | brvlaninfo[brportname]['pvid'] = l.split()[0] | |
1427 | elif 'Egress Untagged' not in l: | |
1428 | brvlaninfo[brportname]['vlan'].append(l) | |
1429 | return brvlaninfo | |
1430 | ||
1431 | def bridge_port_vids_get_all_json(self): | |
1432 | if not self.supported_command['%s -c -json vlan show' | |
1433 | % utils.bridge_cmd]: | |
1434 | return {} | |
1435 | brvlaninfo = {} | |
1436 | try: | |
1437 | bridgeout = utils.exec_command('%s -c -json vlan show' | |
1438 | % utils.bridge_cmd) | |
1439 | except: | |
1440 | self.supported_command['%s -c -json vlan show' | |
1441 | % utils.bridge_cmd] = False | |
1442 | self.logger.info('%s -c -json vlan show: skipping unsupported command' | |
1443 | % utils.bridge_cmd) | |
1444 | try: | |
1445 | return self.get_bridge_vlan_nojson() | |
1446 | except Exception as e: | |
1447 | self.logger.info('bridge: get_bridge_vlan_nojson: %s' % str(e)) | |
1448 | return {} | |
1449 | ||
1450 | if not bridgeout: return brvlaninfo | |
1451 | try: | |
1452 | vlan_json_dict = json.loads(bridgeout, encoding="utf-8") | |
1453 | except Exception, e: | |
1454 | self.logger.info('json loads failed with (%s)' % str(e)) | |
1455 | return {} | |
1456 | return vlan_json_dict | |
1457 | ||
1458 | @staticmethod | |
1459 | def get_bridge_vlan_nojson(): | |
1460 | vlan_json = {} | |
1461 | bridgeout = utils.exec_commandl([utils.bridge_cmd, '-c', 'vlan', 'show']) | |
1462 | if bridgeout: | |
1463 | output = [line.split('\n') for line in bridgeout.split('\n\n')] | |
1464 | output[0] = output[0][1:] | |
1465 | for line in output: | |
1466 | current_swp = None | |
1467 | if not line: | |
1468 | continue | |
1469 | for entry in line: | |
1470 | if not entry: | |
1471 | continue | |
1472 | prefix, vlan = entry.split('\t') | |
1473 | if prefix: | |
1474 | current_swp = prefix | |
1475 | vlan_json[prefix] = [] | |
1476 | v = {} | |
1477 | vlan = vlan[1:] | |
1478 | try: | |
1479 | v['vlan'] = int(vlan) | |
1480 | except: | |
1481 | try: | |
1482 | if '-' in vlan: | |
1483 | start, end = vlan.split('-') | |
1484 | if ' ' in end: | |
1485 | end = end[0:end.index(' ')] | |
1486 | v['vlan'] = int(start) | |
1487 | v['vlanEnd'] = int(end) | |
1488 | else: | |
1489 | v['vlan'] = int(vlan[0:vlan.index(' ')]) | |
1490 | flags = [] | |
1491 | if 'PVID' in vlan: | |
1492 | flags.append('PVID') | |
1493 | if 'Egress Untagged' in vlan: | |
1494 | flags.append('Egress Untagged') | |
1495 | v['flags'] = flags | |
1496 | except: | |
1497 | continue | |
1498 | vlan_json[current_swp].append(v) | |
1499 | return vlan_json | |
1500 | ||
1501 | def bridge_vlan_cache_get(self, ifacename, refresh=False): | |
1502 | if not self.bridge_vlan_cache_fill_done or refresh: | |
1503 | self.bridge_vlan_cache = self.bridge_port_vids_get_all_json() | |
1504 | self.bridge_vlan_cache_fill_done = True | |
1505 | return self.bridge_vlan_cache.get(ifacename, {}) | |
1506 | ||
1507 | def bridge_vlan_get_pvid(self, ifacename, refresh=False): | |
1508 | pvid = 0 | |
1509 | ||
1510 | for vinfo in self.bridge_vlan_cache_get(ifacename, refresh): | |
1511 | v = vinfo.get('vlan') | |
1512 | pvid = v if 'PVID' in vinfo.get('flags', []) else 0 | |
1513 | if pvid: | |
1514 | return pvid | |
1515 | return pvid | |
1516 | ||
1517 | def bridge_vlan_get_vids(self, ifacename, refresh=False): | |
1518 | vids = [] | |
1519 | ||
1520 | for vinfo in self.bridge_vlan_cache_get(ifacename, refresh): | |
1521 | v = vinfo.get('vlan') | |
1522 | ispvid = True if 'PVID' in vinfo.get('flags', []) else False | |
1523 | if ispvid: | |
1524 | pvid = v if 'PVID' in vinfo.get('flags', []) else 0 | |
1525 | if pvid == 1: | |
1526 | continue | |
1527 | vEnd = vinfo.get('vlanEnd') | |
1528 | if vEnd: | |
1529 | vids.extend(range(v, vEnd + 1)) | |
1530 | else: | |
1531 | vids.append(v) | |
1532 | return vids | |
1533 | ||
1534 | def bridge_vlan_get_vids_n_pvid(self, ifacename, refresh=False): | |
1535 | vids = [] | |
1536 | pvid = 0 | |
1537 | ||
1538 | for vinfo in self.bridge_vlan_cache_get(ifacename, refresh): | |
1539 | v = vinfo.get('vlan') | |
1540 | ispvid = True if 'PVID' in vinfo.get('flags', []) else False | |
1541 | if ispvid: | |
1542 | pvid = v if 'PVID' in vinfo.get('flags', []) else 0 | |
1543 | vEnd = vinfo.get('vlanEnd') | |
1544 | if vEnd: | |
1545 | vids.extend(range(v, vEnd + 1)) | |
1546 | else: | |
1547 | vids.append(v) | |
1548 | return vids, pvid | |
1549 | ||
1550 | def bridge_port_pvid_add(self, bridgeportname, pvid): | |
1551 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1552 | self.add_to_batch('vlan add vid %s untagged pvid dev %s' % | |
1553 | (pvid, bridgeportname)) | |
1554 | else: | |
1555 | utils.exec_command('%s vlan add vid %s untagged pvid dev %s' % | |
1556 | (utils.bridge_cmd, | |
1557 | pvid, bridgeportname)) | |
1558 | ||
1559 | def bridge_port_pvid_del(self, bridgeportname, pvid): | |
1560 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1561 | self.add_to_batch('vlan del vid %s untagged pvid dev %s' % | |
1562 | (pvid, bridgeportname)) | |
1563 | else: | |
1564 | utils.exec_command('%s vlan del vid %s untagged pvid dev %s' % | |
1565 | (utils.bridge_cmd, | |
1566 | pvid, bridgeportname)) | |
1567 | ||
1568 | def bridge_port_pvids_get(self, bridgeportname): | |
1569 | return self.read_file_oneline('/sys/class/net/%s/brport/pvid' | |
1570 | % bridgeportname) | |
1571 | ||
1572 | def bridge_vids_add(self, bridgeportname, vids, bridge=True): | |
1573 | target = 'self' if bridge else '' | |
1574 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1575 | [self.add_to_batch('vlan add vid %s dev %s %s' % | |
1576 | (v, bridgeportname, target)) for v in vids] | |
1577 | else: | |
1578 | [utils.exec_command('%s vlan add vid %s dev %s %s' % | |
1579 | (utils.bridge_cmd, | |
1580 | v, bridgeportname, target)) for v in vids] | |
1581 | ||
1582 | def bridge_vids_del(self, bridgeportname, vids, bridge=True): | |
1583 | target = 'self' if bridge else '' | |
1584 | if LinkUtils.ipbatch and not LinkUtils.ipbatch_pause: | |
1585 | [self.add_to_batch('vlan del vid %s dev %s %s' % | |
1586 | (v, bridgeportname, target)) for v in vids] | |
1587 | else: | |
1588 | [utils.exec_command('%s vlan del vid %s dev %s %s' % | |
1589 | (utils.bridge_cmd, | |
1590 | v, bridgeportname, target)) for v in vids] | |
1591 | ||
1592 | @staticmethod | |
1593 | def bridge_fdb_add(dev, address, vlan=None, bridge=True, remote=None): | |
1594 | target = 'self' if bridge else '' | |
1595 | vlan_str = '' | |
1596 | if vlan: | |
1597 | vlan_str = 'vlan %s ' % vlan | |
1598 | ||
1599 | dst_str = '' | |
1600 | if remote: | |
1601 | dst_str = 'dst %s ' % remote | |
1602 | ||
1603 | utils.exec_command('%s fdb replace %s dev %s %s %s %s' % | |
1604 | (utils.bridge_cmd, | |
1605 | address, dev, vlan_str, target, dst_str)) | |
1606 | ||
1607 | @staticmethod | |
1608 | def bridge_fdb_append(dev, address, vlan=None, bridge=True, remote=None): | |
1609 | target = 'self' if bridge else '' | |
1610 | vlan_str = '' | |
1611 | if vlan: | |
1612 | vlan_str = 'vlan %s ' % vlan | |
1613 | ||
1614 | dst_str = '' | |
1615 | if remote: | |
1616 | dst_str = 'dst %s ' % remote | |
1617 | ||
1618 | utils.exec_command('%s fdb append %s dev %s %s %s %s' % | |
1619 | (utils.bridge_cmd, | |
1620 | address, dev, vlan_str, target, dst_str)) | |
1621 | ||
1622 | @staticmethod | |
1623 | def bridge_fdb_del(dev, address, vlan=None, bridge=True, remote=None): | |
1624 | target = 'self' if bridge else '' | |
1625 | vlan_str = '' | |
1626 | if vlan: | |
1627 | vlan_str = 'vlan %s ' % vlan | |
1628 | ||
1629 | dst_str = '' | |
1630 | if remote: | |
1631 | dst_str = 'dst %s ' % remote | |
1632 | utils.exec_command('%s fdb del %s dev %s %s %s %s' % | |
1633 | (utils.bridge_cmd, | |
1634 | address, dev, vlan_str, target, dst_str)) | |
1635 | ||
1636 | def bridge_is_vlan_aware(self, bridgename): | |
1637 | filename = '/sys/class/net/%s/bridge/vlan_filtering' % bridgename | |
1638 | if os.path.exists(filename) and self.read_file_oneline(filename) == '1': | |
1639 | return True | |
1640 | return False | |
1641 | ||
1642 | @staticmethod | |
1643 | def bridge_port_get_bridge_name(bridgeport): | |
1644 | filename = '/sys/class/net/%s/brport/bridge' % bridgeport | |
1645 | try: | |
1646 | return os.path.basename(os.readlink(filename)) | |
1647 | except: | |
1648 | return None | |
1649 | ||
1650 | @staticmethod | |
1651 | def bridge_port_exists(bridge, bridgeportname): | |
1652 | try: | |
1653 | return os.path.exists('/sys/class/net/%s/brif/%s' | |
1654 | % (bridge, bridgeportname)) | |
1655 | except Exception: | |
1656 | return False | |
1657 | ||
1658 | def bridge_fdb_show_dev(self, dev): | |
1659 | try: | |
1660 | fdbs = {} | |
1661 | output = utils.exec_command('%s fdb show dev %s' | |
1662 | % (utils.bridge_cmd, dev)) | |
1663 | if output: | |
1664 | for fdb_entry in output.splitlines(): | |
1665 | try: | |
1666 | entries = fdb_entry.split() | |
1667 | fdbs.setdefault(entries[2], []).append(entries[0]) | |
1668 | except: | |
1669 | self.logger.debug('%s: invalid fdb line \'%s\'' | |
1670 | % (dev, fdb_entry)) | |
1671 | return fdbs | |
1672 | except Exception: | |
1673 | return None | |
1674 | ||
1675 | @staticmethod | |
1676 | def is_bridge(bridge): | |
1677 | return os.path.exists('/sys/class/net/%s/bridge' % bridge) | |
1678 | ||
1679 | def is_link_up(self, ifacename): | |
1680 | ret = False | |
1681 | try: | |
1682 | flags = self.read_file_oneline('/sys/class/net/%s/flags' % ifacename) | |
1683 | iflags = int(flags, 16) | |
1684 | if iflags & 0x0001: | |
1685 | ret = True | |
1686 | except: | |
1687 | ret = False | |
1688 | return ret | |
1689 | ||
aa895ecd | 1690 | def ip_route_get_dev(self, prefix, vrf_master=None): |
d486dd0d | 1691 | try: |
aa895ecd JF |
1692 | if vrf_master: |
1693 | cmd = '%s route get %s vrf %s' % (utils.ip_cmd, prefix, vrf_master) | |
1694 | else: | |
1695 | cmd = '%s route get %s' % (utils.ip_cmd, prefix) | |
1696 | ||
1697 | output = utils.exec_command(cmd) | |
d486dd0d JF |
1698 | if output: |
1699 | rline = output.splitlines()[0] | |
1700 | if rline: | |
1701 | rattrs = rline.split() | |
1702 | return rattrs[rattrs.index('dev') + 1] | |
1703 | except Exception, e: | |
1704 | self.logger.debug('ip_route_get_dev: failed .. %s' % str(e)) | |
1705 | return None | |
1706 | ||
1707 | @staticmethod | |
1708 | def link_get_lowers(ifacename): | |
1709 | try: | |
1710 | lowers = glob.glob("/sys/class/net/%s/lower_*" % ifacename) | |
1711 | if not lowers: | |
1712 | return [] | |
1713 | return [os.path.basename(l)[6:] for l in lowers] | |
1714 | except: | |
1715 | return [] | |
1716 | ||
1717 | @staticmethod | |
1718 | def link_get_uppers(ifacename): | |
1719 | try: | |
1720 | uppers = glob.glob("/sys/class/net/%s/upper_*" % ifacename) | |
1721 | if not uppers: | |
1722 | return None | |
1723 | return [os.path.basename(u)[6:] for u in uppers] | |
1724 | except Exception: | |
1725 | return None | |
1726 | ||
1727 | def link_get_vrfs(self): | |
1728 | if not LinkUtils._CACHE_FILL_DONE: | |
1729 | self._fill_cache() | |
1730 | return linkCache.vrfs | |
1731 | ||
1732 | @staticmethod | |
1733 | def cache_get_info_slave(attrlist): | |
1734 | try: | |
1735 | return linkCache.get_attr(attrlist) | |
1736 | except: | |
1737 | return None | |
1738 | ||
1739 | def get_brport_learning(self, ifacename): | |
1740 | learn = self.read_file_oneline('/sys/class/net/%s/brport/learning' | |
1741 | % ifacename) | |
1742 | if learn and learn == '1': | |
1743 | return 'on' | |
1744 | else: | |
1745 | return 'off' | |
1746 | ||
1747 | def get_brport_learning_bool(self, ifacename): | |
1748 | return utils.get_boolean_from_string(self.read_file_oneline('/sys/class/net/%s/brport/learning' % ifacename)) | |
1749 | ||
1750 | def set_brport_learning(self, ifacename, learn): | |
1751 | if learn == 'off': | |
1752 | return self.write_file('/sys/class/net/%s/brport/learning' | |
1753 | % ifacename, '0') | |
1754 | else: | |
1755 | return self.write_file('/sys/class/net/%s/brport/learning' | |
1756 | % ifacename, '1') | |
1757 | ||
1758 | ################################################################################# | |
1759 | ################################### BOND UTILS ################################## | |
1760 | ################################################################################# | |
1761 | ||
1762 | def _link_cache_get(self, attrlist, refresh=False): | |
1763 | return self._cache_get('link', attrlist, refresh) | |
1764 | ||
1765 | def cache_delete(self, attrlist, value=None): | |
1766 | return self._cache_delete(attrlist, value) | |
1767 | ||
1768 | def link_cache_get(self, attrlist, refresh=False): | |
1769 | return self._link_cache_get(attrlist, refresh) | |
1770 | ||
1771 | def link_cache_check(self, attrlist, value, refresh=False): | |
1772 | return self._link_cache_check(attrlist, value, refresh) | |
1773 | ||
1774 | def _link_cache_check(self, attrlist, value, refresh=False): | |
1775 | try: | |
1776 | return self._link_cache_get(attrlist, refresh) == value | |
1777 | except Exception, e: | |
1778 | self.logger.debug('_cache_check(%s) : [%s]' | |
1779 | % (str(attrlist), str(e))) | |
1780 | pass | |
1781 | return False | |
1782 | ||
1783 | bondcmd_attrmap = { | |
1784 | Link.IFLA_BOND_MODE: 'mode', | |
1785 | Link.IFLA_BOND_MIIMON: 'miimon', | |
1786 | Link.IFLA_BOND_USE_CARRIER: 'use_carrier', | |
1787 | Link.IFLA_BOND_AD_LACP_RATE: 'lacp_rate', | |
1788 | Link.IFLA_BOND_XMIT_HASH_POLICY: 'xmit_hash_policy', | |
1789 | Link.IFLA_BOND_MIN_LINKS: 'min_links', | |
1790 | Link.IFLA_BOND_NUM_PEER_NOTIF: 'num_grat_arp', | |
1791 | Link.IFLA_BOND_AD_ACTOR_SYSTEM: 'ad_actor_system', | |
1792 | Link.IFLA_BOND_AD_ACTOR_SYS_PRIO: 'ad_actor_sys_prio', | |
1793 | Link.IFLA_BOND_AD_LACP_BYPASS: 'lacp_bypass', | |
1794 | Link.IFLA_BOND_UPDELAY: 'updelay', | |
1795 | Link.IFLA_BOND_DOWNDELAY: 'downdelay', | |
1796 | } | |
1797 | ||
1798 | def bond_set_attrs_nl(self, bondname, ifla_info_data): | |
1799 | bond_attr_name = 'None' # for log purpose (in case an exception raised) | |
1800 | for nl_attr, value in ifla_info_data.items(): | |
1801 | try: | |
1802 | bond_attr_name = self.bondcmd_attrmap[nl_attr] | |
1803 | file_path = '/sys/class/net/%s/bonding/%s' % (bondname, bond_attr_name) | |
1804 | if os.path.exists(file_path): | |
1805 | self.write_file(file_path, str(value)) | |
1806 | except Exception as e: | |
1807 | exception_str = '%s: %s %s: %s' % (bondname, bond_attr_name, value, str(e)) | |
1808 | if ifupdownflags.flags.FORCE: | |
1809 | self.logger.warning(exception_str) | |
1810 | else: | |
1811 | self.logger.debug(exception_str) | |
1812 | ||
1813 | def bond_set_attrs(self, bondname, attrdict, prehook): | |
1814 | for attrname, attrval in attrdict.items(): | |
1815 | if (self._link_cache_check([bondname, 'linkinfo', | |
1816 | attrname], attrval)): | |
1817 | continue | |
1818 | if (attrname == 'mode' | |
1819 | or attrname == 'xmit_hash_policy' | |
1820 | or attrname == 'lacp_rate' or attrname == 'min_links'): | |
1821 | if prehook: | |
1822 | prehook(bondname) | |
1823 | try: | |
1824 | if ((attrname not in ['lacp_rate', | |
1825 | 'lacp_bypass']) or | |
1826 | self._link_cache_check([bondname, 'linkinfo', 'mode'], '802.3ad', | |
1827 | True)): | |
1828 | self.write_file('/sys/class/net/%s/bonding/%s' | |
1829 | % (bondname, attrname), attrval) | |
1830 | except Exception, e: | |
1831 | if ifupdownflags.flags.FORCE: | |
1832 | self.logger.warn(str(e)) | |
1833 | pass | |
1834 | else: | |
1835 | raise | |
1836 | ||
1837 | def bond_set_use_carrier(self, bondname, use_carrier): | |
1838 | if not use_carrier or (use_carrier != '0' and use_carrier != '1'): | |
1839 | return | |
1840 | if (self._link_cache_check([bondname, 'linkinfo', 'use_carrier'], | |
1841 | use_carrier)): | |
1842 | return | |
1843 | self.write_file('/sys/class/net/%s' % bondname + | |
1844 | '/bonding/use_carrier', use_carrier) | |
1845 | self._cache_update([bondname, 'linkinfo', | |
1846 | 'use_carrier'], use_carrier) | |
1847 | ||
1848 | def bond_get_use_carrier(self, bondname): | |
1849 | return self._link_cache_get([bondname, 'linkinfo', 'use_carrier']) | |
1850 | ||
1851 | def bond_get_use_carrier_nl(self, bondname): | |
1852 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_USE_CARRIER]) | |
1853 | ||
1854 | def bond_set_xmit_hash_policy(self, bondname, hash_policy, prehook=None): | |
1855 | valid_values = ['layer2', 'layer3+4', 'layer2+3'] | |
1856 | if not hash_policy: | |
1857 | return | |
1858 | if hash_policy not in valid_values: | |
1859 | raise Exception('invalid hash policy value %s' % hash_policy) | |
1860 | if (self._link_cache_check([bondname, 'linkinfo', 'xmit_hash_policy'], | |
1861 | hash_policy)): | |
1862 | return | |
1863 | if prehook: | |
1864 | prehook(bondname) | |
1865 | self.write_file('/sys/class/net/%s' % bondname + | |
1866 | '/bonding/xmit_hash_policy', hash_policy) | |
1867 | self._cache_update([bondname, 'linkinfo', 'xmit_hash_policy'], | |
1868 | hash_policy) | |
1869 | ||
1870 | def bond_get_xmit_hash_policy(self, bondname): | |
1871 | return self._link_cache_get([bondname, 'linkinfo', 'xmit_hash_policy']) | |
1872 | ||
1873 | def bond_get_xmit_hash_policy_nl(self, bondname): | |
1874 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_XMIT_HASH_POLICY]) | |
1875 | ||
1876 | def bond_set_miimon(self, bondname, miimon): | |
1877 | if (self._link_cache_check([bondname, 'linkinfo', 'miimon'], | |
1878 | miimon)): | |
1879 | return | |
1880 | self.write_file('/sys/class/net/%s' % bondname + | |
1881 | '/bonding/miimon', miimon) | |
1882 | self._cache_update([bondname, 'linkinfo', 'miimon'], miimon) | |
1883 | ||
1884 | def bond_get_miimon(self, bondname): | |
1885 | return self._link_cache_get([bondname, 'linkinfo', 'miimon']) | |
1886 | ||
1887 | def bond_get_miimon_nl(self, bondname): | |
1888 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_MIIMON]) | |
1889 | ||
1890 | def bond_set_mode(self, bondname, mode, prehook=None): | |
1891 | valid_modes = ['balance-rr', 'active-backup', 'balance-xor', | |
1892 | 'broadcast', '802.3ad', 'balance-tlb', 'balance-alb'] | |
1893 | if not mode: | |
1894 | return | |
1895 | if mode not in valid_modes: | |
1896 | raise Exception('invalid mode %s' % mode) | |
1897 | if (self._link_cache_check([bondname, 'linkinfo', 'mode'], | |
1898 | mode)): | |
1899 | return | |
1900 | if prehook: | |
1901 | prehook(bondname) | |
1902 | self.write_file('/sys/class/net/%s' % bondname + '/bonding/mode', mode) | |
1903 | self._cache_update([bondname, 'linkinfo', 'mode'], mode) | |
1904 | ||
1905 | def bond_get_mode(self, bondname): | |
1906 | return self._link_cache_get([bondname, 'linkinfo', 'mode']) | |
1907 | ||
1908 | def bond_get_mode_nl(self, bondname): | |
1909 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_MODE]) | |
1910 | ||
1911 | def bond_set_lacp_rate(self, bondname, lacp_rate, prehook=None, posthook=None): | |
1912 | if not lacp_rate or (lacp_rate != '0' and lacp_rate != '1'): | |
1913 | return | |
1914 | if (self._link_cache_check([bondname, 'linkinfo', 'lacp_rate'], | |
1915 | lacp_rate)): | |
1916 | return | |
1917 | if prehook: | |
1918 | prehook(bondname) | |
1919 | try: | |
1920 | self.write_file('/sys/class/net/%s' % bondname + | |
1921 | '/bonding/lacp_rate', lacp_rate) | |
1922 | except: | |
1923 | raise | |
1924 | finally: | |
1925 | if posthook: | |
1926 | prehook(bondname) | |
1927 | self._cache_update([bondname, 'linkinfo', | |
1928 | 'lacp_rate'], lacp_rate) | |
1929 | ||
1930 | def bond_get_lacp_rate(self, bondname): | |
1931 | return self._link_cache_get([bondname, 'linkinfo', 'lacp_rate']) | |
1932 | ||
1933 | def bond_get_lacp_rate_nl(self, bondname): | |
1934 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_AD_LACP_RATE]) | |
1935 | ||
1936 | def bond_set_lacp_bypass_allow(self, bondname, allow, prehook=None, posthook=None): | |
1937 | if self._link_cache_check([bondname, 'linkinfo', 'lacp_bypass'], allow): | |
1938 | return | |
1939 | if prehook: | |
1940 | prehook(bondname) | |
1941 | try: | |
1942 | self.write_file('/sys/class/net/%s' % bondname + | |
1943 | '/bonding/lacp_bypass', allow) | |
1944 | except: | |
1945 | raise | |
1946 | finally: | |
1947 | if posthook: | |
1948 | posthook(bondname) | |
1949 | self._cache_update([bondname, 'linkinfo', | |
1950 | 'lacp_bypass'], allow) | |
1951 | ||
1952 | def bond_get_lacp_bypass_allow(self, bondname): | |
1953 | return self._link_cache_get([bondname, 'linkinfo', 'lacp_bypass']) | |
1954 | ||
1955 | def bond_get_lacp_bypass_allow_nl(self, bondname): | |
1956 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_AD_LACP_BYPASS]) | |
1957 | ||
1958 | def bond_set_min_links(self, bondname, min_links, prehook=None): | |
1959 | if (self._link_cache_check([bondname, 'linkinfo', 'min_links'], | |
1960 | min_links)): | |
1961 | return | |
1962 | if prehook: | |
1963 | prehook(bondname) | |
1964 | self.write_file('/sys/class/net/%s/bonding/min_links' % bondname, | |
1965 | min_links) | |
1966 | self._cache_update([bondname, 'linkinfo', 'min_links'], min_links) | |
1967 | ||
1968 | def bond_get_min_links(self, bondname): | |
1969 | return self._link_cache_get([bondname, 'linkinfo', 'min_links']) | |
1970 | ||
1971 | def get_min_links_nl(self, bondname): | |
1972 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_MIN_LINKS]) | |
1973 | ||
1974 | def bond_get_ad_actor_system(self, bondname): | |
1975 | return self._link_cache_get([bondname, 'linkinfo', 'ad_actor_system']) | |
1976 | ||
1977 | def bond_get_ad_actor_system_nl(self, bondname): | |
1978 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_AD_ACTOR_SYSTEM]) | |
1979 | ||
1980 | def bond_get_ad_actor_sys_prio(self, bondname): | |
1981 | return self._link_cache_get([bondname, 'linkinfo', 'ad_actor_sys_prio']) | |
1982 | ||
1983 | def bond_get_ad_actor_sys_prio_nl(self, bondname): | |
1984 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_AD_ACTOR_SYS_PRIO]) | |
1985 | ||
1986 | def bond_get_num_unsol_na(self, bondname): | |
1987 | return self._link_cache_get([bondname, 'linkinfo', 'num_unsol_na']) | |
1988 | ||
1989 | def bond_get_num_unsol_na_nl(self, bondname): | |
1990 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_NUM_PEER_NOTIF]) | |
1991 | ||
1992 | def bond_get_num_grat_arp(self, bondname): | |
1993 | return self._link_cache_get([bondname, 'linkinfo', 'num_grat_arp']) | |
1994 | ||
1995 | def bond_get_num_grat_arp_nl(self, bondname): | |
1996 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_NUM_PEER_NOTIF]) | |
1997 | ||
1998 | def bond_get_updelay(self, bondname): | |
1999 | return self._link_cache_get([bondname, 'linkinfo', 'updelay']) | |
2000 | ||
2001 | def bond_get_updelay_nl(self, bondname): | |
2002 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_UPDELAY]) | |
2003 | ||
2004 | def bond_get_downdelay(self, bondname): | |
2005 | return self._link_cache_get([bondname, 'linkinfo', 'downdelay']) | |
2006 | ||
2007 | def bond_get_downdelay_nl(self, bondname): | |
2008 | return self._link_cache_get([bondname, 'linkinfo', Link.IFLA_BOND_DOWNDELAY]) | |
2009 | ||
2010 | def bond_enslave_slave(self, bondname, slave, prehook=None, posthook=None): | |
2011 | slaves = self._link_cache_get([bondname, 'linkinfo', 'slaves']) | |
2012 | if slaves and slave in slaves: | |
2013 | return | |
2014 | if prehook: | |
2015 | prehook(slave) | |
2016 | self.write_file('/sys/class/net/%s' % bondname + | |
2017 | '/bonding/slaves', '+' + slave) | |
2018 | if posthook: | |
2019 | posthook(slave) | |
2020 | self._cache_update([bondname, 'linkinfo', 'slaves'], slave) | |
2021 | ||
2022 | def bond_remove_slave(self, bondname, slave): | |
2023 | slaves = self._link_cache_get([bondname, 'linkinfo', 'slaves']) | |
2024 | if not slaves or slave not in slaves: | |
2025 | return | |
2026 | sysfs_bond_path = ('/sys/class/net/%s' % bondname + | |
2027 | '/bonding/slaves') | |
2028 | if not os.path.exists(sysfs_bond_path): | |
2029 | return | |
2030 | self.write_file(sysfs_bond_path, '-' + slave) | |
2031 | self._cache_delete([bondname, 'linkinfo', 'slaves'], slave) | |
2032 | ||
2033 | def bond_remove_slaves_all(self, bondname): | |
2034 | if not self._link_cache_get([bondname, 'linkinfo', 'slaves']): | |
2035 | return | |
2036 | slaves = None | |
2037 | sysfs_bond_path = ('/sys/class/net/%s' % bondname + | |
2038 | '/bonding/slaves') | |
2039 | try: | |
2040 | with open(sysfs_bond_path, 'r') as f: | |
2041 | slaves = f.readline().strip().split() | |
2042 | except IOError, e: | |
2043 | raise Exception('error reading slaves of bond %s (%s)' % (bondname, str(e))) | |
2044 | for slave in slaves: | |
2045 | self.link_down(slave) | |
2046 | try: | |
2047 | self.bond_remove_slave(bondname, slave) | |
2048 | except Exception, e: | |
2049 | if not ifupdownflags.flags.FORCE: | |
2050 | raise Exception('error removing slave %s from bond %s (%s)' % (slave, bondname, str(e))) | |
2051 | else: | |
2052 | pass | |
2053 | self._cache_delete([bondname, 'linkinfo', 'slaves']) | |
2054 | ||
2055 | @staticmethod | |
2056 | def bond_load_bonding_module(): | |
2057 | return utils.exec_command('%s -q bonding' % utils.modprobe_cmd) | |
2058 | ||
2059 | def create_bond(self, bondname): | |
2060 | if self.bond_exists(bondname): | |
2061 | return | |
2062 | # load_bonding_module() has already been run | |
2063 | self.write_file('/sys/class/net/bonding_masters', '+' + bondname) | |
2064 | self._cache_update([bondname], {}) | |
2065 | ||
2066 | def delete_bond(self, bondname): | |
2067 | if not os.path.exists('/sys/class/net/%s' % bondname): | |
2068 | return | |
2069 | self.write_file('/sys/class/net/bonding_masters', '-' + bondname) | |
2070 | self._cache_delete([bondname]) | |
2071 | ||
2072 | def bond_get_slaves(self, bondname): | |
2073 | slaves = self._link_cache_get([bondname, 'linkinfo', 'slaves']) | |
2074 | if slaves: | |
2075 | return list(slaves) | |
2076 | slavefile = '/sys/class/net/%s/bonding/slaves' % bondname | |
2077 | if os.path.exists(slavefile): | |
2078 | buf = self.read_file_oneline(slavefile) | |
2079 | if buf: | |
2080 | slaves = buf.split() | |
2081 | if not slaves: | |
2082 | return [] | |
2083 | self._cache_update([bondname, 'linkinfo', 'slaves'], slaves) | |
2084 | return list(slaves) | |
2085 | ||
2086 | def bond_slave_exists(self, bond, slave): | |
2087 | slaves = self.bond_get_slaves(bond) | |
2088 | if not slaves: | |
2089 | return False | |
2090 | return slave in slaves | |
2091 | ||
2092 | @staticmethod | |
2093 | def bond_exists(bondname): | |
2094 | return os.path.exists('/sys/class/net/%s/bonding' % bondname) | |
2095 | ||
2096 | ################################################################################# | |
2097 | ################################## BRIDGE UTILS ################################# | |
2098 | ################################################################################# | |
2099 | ||
2100 | def create_bridge(self, bridgename): | |
2101 | if not LinkUtils.bridge_utils_is_installed: | |
2102 | return | |
2103 | if self.bridge_exists(bridgename): | |
2104 | return | |
2105 | utils.exec_command('%s addbr %s' % (utils.brctl_cmd, bridgename)) | |
2106 | self._cache_update([bridgename], {}) | |
2107 | ||
2108 | def delete_bridge(self, bridgename): | |
2109 | if not LinkUtils.bridge_utils_is_installed: | |
2110 | return | |
2111 | if not self.bridge_exists(bridgename): | |
2112 | return | |
2113 | utils.exec_command('%s delbr %s' % (utils.brctl_cmd, bridgename)) | |
2114 | self._cache_invalidate() | |
2115 | ||
2116 | def add_bridge_port(self, bridgename, bridgeportname): | |
2117 | """ Add port to bridge """ | |
2118 | if not LinkUtils.bridge_utils_is_installed: | |
2119 | return | |
2120 | ports = self._link_cache_get([bridgename, 'linkinfo', 'ports']) | |
2121 | if ports and ports.get(bridgeportname): | |
2122 | return | |
2123 | utils.exec_command('%s addif %s %s' % (utils.brctl_cmd, bridgename, bridgeportname)) | |
2124 | self._cache_update([bridgename, 'linkinfo', 'ports', bridgeportname], {}) | |
2125 | ||
2126 | def delete_bridge_port(self, bridgename, bridgeportname): | |
2127 | """ Delete port from bridge """ | |
2128 | if not LinkUtils.bridge_utils_is_installed: | |
2129 | return | |
2130 | ports = self._link_cache_get([bridgename, 'linkinfo', 'ports']) | |
2131 | if not ports or not ports.get(bridgeportname): | |
2132 | return | |
2133 | utils.exec_command('%s delif %s %s' % (utils.brctl_cmd, bridgename, bridgeportname)) | |
2134 | self._cache_delete([bridgename, 'linkinfo', 'ports', 'bridgeportname']) | |
2135 | ||
2136 | def set_bridgeport_attrs(self, bridgename, bridgeportname, attrdict): | |
2137 | portattrs = self._link_cache_get([bridgename, 'linkinfo', 'ports', bridgeportname]) | |
2138 | if portattrs == None: | |
2139 | portattrs = {} | |
2140 | for k, v in attrdict.iteritems(): | |
2141 | if ifupdownflags.flags.CACHE: | |
2142 | curval = portattrs.get(k) | |
2143 | if curval and curval == v: | |
2144 | continue | |
2145 | if k == 'unicast-flood': | |
2146 | self.write_file('/sys/class/net/%s/brport/unicast_flood' % bridgeportname, v) | |
2147 | elif k == 'multicast-flood': | |
2148 | self.write_file('/sys/class/net/%s/brport/multicast_flood' % bridgeportname, v) | |
2149 | elif k == 'learning': | |
2150 | self.write_file('/sys/class/net/%s/brport/learning' % bridgeportname, v) | |
2151 | elif k == 'arp-nd-suppress': | |
2152 | self.write_file('/sys/class/net/%s/brport/neigh_suppress' % bridgeportname, v) | |
2153 | else: | |
2154 | if not LinkUtils.bridge_utils_is_installed: | |
2155 | continue | |
2156 | utils.exec_command('%s set%s %s %s %s' % (utils.brctl_cmd, k, bridgename, bridgeportname, v)) | |
2157 | ||
2158 | def set_bridgeport_attr(self, bridgename, bridgeportname, | |
2159 | attrname, attrval): | |
2160 | if not LinkUtils.bridge_utils_is_installed: | |
2161 | return | |
2162 | if self._link_cache_check([bridgename, 'linkinfo', 'ports', bridgeportname, attrname], attrval): | |
2163 | return | |
2164 | utils.exec_command('%s set%s %s %s %s' % | |
2165 | (utils.brctl_cmd, | |
2166 | attrname, | |
2167 | bridgename, | |
2168 | bridgeportname, | |
2169 | attrval)) | |
2170 | ||
2171 | def set_bridge_attrs(self, bridgename, attrdict): | |
2172 | for k, v in attrdict.iteritems(): | |
2173 | if not v: | |
2174 | continue | |
2175 | if self._link_cache_check([bridgename, 'linkinfo', k], v): | |
2176 | continue | |
2177 | try: | |
2178 | if k == 'igmp-version': | |
2179 | self.write_file('/sys/class/net/%s/bridge/' | |
2180 | 'multicast_igmp_version' % bridgename, v) | |
2181 | elif k == 'mld-version': | |
2182 | self.write_file('/sys/class/net/%s/bridge/' | |
2183 | 'multicast_mld_version' % bridgename, v) | |
2184 | elif k == 'vlan-protocol': | |
2185 | self.write_file('/sys/class/net/%s/bridge/' | |
2186 | 'vlan_protocol' % bridgename, | |
2187 | VlanProtocols.ETHERTYPES_TO_ID.get(v.upper(), | |
2188 | None)) | |
2189 | elif k == 'vlan-stats': | |
2190 | self.write_file('/sys/class/net/%s/bridge/' | |
2191 | 'vlan_stats_enabled' % bridgename, v) | |
2192 | elif k == 'mcstats': | |
2193 | self.write_file('/sys/class/net/%s/bridge/' | |
2194 | 'multicast_stats_enabled' % bridgename, v) | |
2195 | else: | |
2196 | if not LinkUtils.bridge_utils_is_installed: | |
2197 | continue | |
2198 | cmd = ('%s set%s %s %s' % | |
2199 | (utils.brctl_cmd, k, bridgename, v)) | |
2200 | utils.exec_command(cmd) | |
2201 | except Exception, e: | |
2202 | self.logger.warn('%s: %s' % (bridgename, str(e))) | |
2203 | pass | |
2204 | ||
2205 | def set_bridge_attr(self, bridgename, attrname, attrval): | |
2206 | if self._link_cache_check([bridgename, 'linkinfo', attrname], attrval): | |
2207 | return | |
2208 | if attrname == 'igmp-version': | |
2209 | self.write_file('/sys/class/net/%s/bridge/multicast_igmp_version' | |
2210 | % bridgename, attrval) | |
2211 | elif attrname == 'mld-version': | |
2212 | self.write_file('/sys/class/net/%s/bridge/multicast_mld_version' | |
2213 | % bridgename, attrval) | |
2214 | elif attrname == 'vlan-protocol': | |
2215 | self.write_file('/sys/class/net/%s/bridge/vlan_protocol' | |
2216 | % bridgename, VlanProtocols.ETHERTYPES_TO_ID[attrval.upper()]) | |
2217 | elif attrname == 'vlan-stats': | |
2218 | self.write_file('/sys/class/net/%s/bridge/vlan_stats_enabled' | |
2219 | % bridgename, attrval) | |
2220 | elif attrname == 'mcstats': | |
2221 | self.write_file('/sys/class/net/%s/bridge/multicast_stats_enabled' | |
2222 | % bridgename, attrval) | |
2223 | else: | |
2224 | if not LinkUtils.bridge_utils_is_installed: | |
2225 | return | |
2226 | cmd = '%s set%s %s %s' % (utils.brctl_cmd, | |
2227 | attrname, bridgename, attrval) | |
2228 | utils.exec_command(cmd) | |
2229 | ||
2230 | def get_bridge_attrs(self, bridgename): | |
2231 | attrs = self._link_cache_get([bridgename, 'linkinfo']) | |
2232 | no_ints_attrs = {} | |
2233 | for key, value in attrs.items(): | |
2234 | if type(key) == str: | |
2235 | no_ints_attrs[key] = value | |
2236 | return no_ints_attrs | |
2237 | ||
2238 | def get_bridgeport_attrs(self, bridgename, bridgeportname): | |
2239 | return self._link_cache_get([bridgename, 'linkinfo', 'ports', | |
2240 | bridgeportname]) | |
2241 | ||
2242 | def get_bridgeport_attr(self, bridgename, bridgeportname, attrname): | |
2243 | return self._link_cache_get([bridgename, 'linkinfo', 'ports', | |
2244 | bridgeportname, attrname]) | |
2245 | ||
2246 | @staticmethod | |
2247 | def bridge_set_stp(bridge, stp_state): | |
2248 | if not LinkUtils.bridge_utils_is_installed: | |
2249 | return | |
2250 | utils.exec_command('%s stp %s %s' % (utils.brctl_cmd, bridge, stp_state)) | |
2251 | ||
2252 | def bridge_get_stp(self, bridge): | |
2253 | sysfs_stpstate = '/sys/class/net/%s/bridge/stp_state' % bridge | |
2254 | if not os.path.exists(sysfs_stpstate): | |
2255 | return 'error' | |
2256 | stpstate = self.read_file_oneline(sysfs_stpstate) | |
2257 | if not stpstate: | |
2258 | return 'error' | |
2259 | try: | |
2260 | if int(stpstate) > 0: | |
2261 | return 'yes' | |
2262 | elif int(stpstate) == 0: | |
2263 | return 'no' | |
2264 | except: | |
2265 | return 'unknown' | |
2266 | ||
2267 | @staticmethod | |
2268 | def _conv_value_to_user(s): | |
2269 | try: | |
2270 | ret = int(s) / 100 | |
2271 | return '%d' % ret | |
2272 | except: | |
2273 | return None | |
2274 | ||
2275 | def read_value_from_sysfs(self, filename, preprocess_func): | |
2276 | value = self.read_file_oneline(filename) | |
2277 | if not value: | |
2278 | return None | |
2279 | return preprocess_func(value) | |
2280 | ||
2281 | @staticmethod | |
2282 | def bridge_set_ageing(bridge, ageing): | |
2283 | if not LinkUtils.bridge_utils_is_installed: | |
2284 | return | |
2285 | utils.exec_command('%s setageing %s %s' % (utils.brctl_cmd, bridge, ageing)) | |
2286 | ||
2287 | def bridge_get_ageing(self, bridge): | |
2288 | return self.read_value_from_sysfs('/sys/class/net/%s/bridge/ageing_time' | |
2289 | % bridge, self._conv_value_to_user) | |
2290 | ||
2291 | @staticmethod | |
2292 | def set_bridgeprio(bridge, prio): | |
2293 | if not LinkUtils.bridge_utils_is_installed: | |
2294 | return | |
2295 | utils.exec_command('%s setbridgeprio %s %s' % (utils.brctl_cmd, bridge, prio)) | |
2296 | ||
2297 | def get_bridgeprio(self, bridge): | |
2298 | return self.read_file_oneline( | |
2299 | '/sys/class/net/%s/bridge/priority' % bridge) | |
2300 | ||
2301 | @staticmethod | |
2302 | def bridge_set_fd(bridge, fd): | |
2303 | if not LinkUtils.bridge_utils_is_installed: | |
2304 | return | |
2305 | utils.exec_command('%s setfd %s %s' % (utils.brctl_cmd, bridge, fd)) | |
2306 | ||
2307 | def bridge_get_fd(self, bridge): | |
2308 | return self.read_value_from_sysfs( | |
2309 | '/sys/class/net/%s/bridge/forward_delay' | |
2310 | % bridge, self._conv_value_to_user) | |
2311 | ||
2312 | def bridge_set_gcint(self, bridge, gcint): | |
2313 | raise Exception('set_gcint not implemented') | |
2314 | ||
2315 | @staticmethod | |
2316 | def bridge_set_hello(bridge, hello): | |
2317 | if not LinkUtils.bridge_utils_is_installed: | |
2318 | return | |
2319 | utils.exec_command('%s sethello %s %s' % (utils.brctl_cmd, bridge, hello)) | |
2320 | ||
2321 | def bridge_get_hello(self, bridge): | |
2322 | return self.read_value_from_sysfs('/sys/class/net/%s/bridge/hello_time' | |
2323 | % bridge, self._conv_value_to_user) | |
2324 | ||
2325 | @staticmethod | |
2326 | def bridge_set_maxage(bridge, maxage): | |
2327 | if not LinkUtils.bridge_utils_is_installed: | |
2328 | return | |
2329 | utils.exec_command('%s setmaxage %s %s' % (utils.brctl_cmd, bridge, maxage)) | |
2330 | ||
2331 | def bridge_get_maxage(self, bridge): | |
2332 | return self.read_value_from_sysfs('/sys/class/net/%s/bridge/max_age' | |
2333 | % bridge, self._conv_value_to_user) | |
2334 | ||
2335 | @staticmethod | |
2336 | def bridge_set_pathcost(bridge, port, pathcost): | |
2337 | if not LinkUtils.bridge_utils_is_installed: | |
2338 | return | |
2339 | utils.exec_command('%s setpathcost %s %s %s' % (utils.brctl_cmd, bridge, port, pathcost)) | |
2340 | ||
2341 | def bridge_get_pathcost(self, bridge, port): | |
2342 | return self.read_file_oneline('/sys/class/net/%s/brport/path_cost' | |
2343 | % port) | |
2344 | ||
2345 | @staticmethod | |
2346 | def bridge_set_portprio(bridge, port, prio): | |
2347 | if not LinkUtils.bridge_utils_is_installed: | |
2348 | return | |
2349 | utils.exec_command('%s setportprio %s %s %s' % (utils.brctl_cmd, bridge, port, prio)) | |
2350 | ||
2351 | def bridge_get_portprio(self, bridge, port): | |
2352 | return self.read_file_oneline('/sys/class/net/%s/brport/priority' | |
2353 | % port) | |
2354 | ||
2355 | @staticmethod | |
2356 | def bridge_set_hashmax(bridge, hashmax): | |
2357 | if not LinkUtils.bridge_utils_is_installed: | |
2358 | return | |
2359 | utils.exec_command('%s sethashmax %s %s' % (utils.brctl_cmd, bridge, hashmax)) | |
2360 | ||
2361 | def bridge_get_hashmax(self, bridge): | |
2362 | return self.read_file_oneline('/sys/class/net/%s/bridge/hash_max' | |
2363 | % bridge) | |
2364 | ||
2365 | @staticmethod | |
2366 | def bridge_set_hashel(bridge, hashel): | |
2367 | if not LinkUtils.bridge_utils_is_installed: | |
2368 | return | |
2369 | utils.exec_command('%s sethashel %s %s' % (utils.brctl_cmd, bridge, hashel)) | |
2370 | ||
2371 | def bridge_get_hashel(self, bridge): | |
2372 | return self.read_file_oneline('/sys/class/net/%s/bridge/hash_elasticity' | |
2373 | % bridge) | |
2374 | ||
2375 | @staticmethod | |
2376 | def bridge_set_mclmc(bridge, mclmc): | |
2377 | if not LinkUtils.bridge_utils_is_installed: | |
2378 | return | |
2379 | utils.exec_command('%s setmclmc %s %s' % (utils.brctl_cmd, bridge, mclmc)) | |
2380 | ||
2381 | def bridge_get_mclmc(self, bridge): | |
2382 | return self.read_file_oneline( | |
2383 | '/sys/class/net/%s/bridge/multicast_last_member_count' | |
2384 | % bridge) | |
2385 | ||
2386 | @staticmethod | |
2387 | def bridge_set_mcrouter(bridge, mcrouter): | |
2388 | if not LinkUtils.bridge_utils_is_installed: | |
2389 | return | |
2390 | utils.exec_command('%s setmcrouter %s %s' % (utils.brctl_cmd, bridge, mcrouter)) | |
2391 | ||
2392 | def bridge_get_mcrouter(self, bridge): | |
2393 | return self.read_file_oneline( | |
2394 | '/sys/class/net/%s/bridge/multicast_router' % bridge) | |
2395 | ||
2396 | @staticmethod | |
2397 | def bridge_set_mcsnoop(bridge, mcsnoop): | |
2398 | if not LinkUtils.bridge_utils_is_installed: | |
2399 | return | |
2400 | utils.exec_command('%s setmcsnoop %s %s' % (utils.brctl_cmd, bridge, mcsnoop)) | |
2401 | ||
2402 | def bridge_get_mcsnoop(self, bridge): | |
2403 | return self.read_file_oneline( | |
2404 | '/sys/class/net/%s/bridge/multicast_snooping' % bridge) | |
2405 | ||
2406 | @staticmethod | |
2407 | def bridge_set_mcsqc(bridge, mcsqc): | |
2408 | if not LinkUtils.bridge_utils_is_installed: | |
2409 | return | |
2410 | utils.exec_command('%s setmcsqc %s %s' % (utils.brctl_cmd, bridge, mcsqc)) | |
2411 | ||
2412 | def bridge_get_mcsqc(self, bridge): | |
2413 | return self.read_file_oneline( | |
2414 | '/sys/class/net/%s/bridge/multicast_startup_query_count' | |
2415 | % bridge) | |
2416 | ||
2417 | @staticmethod | |
2418 | def bridge_set_mcqifaddr(bridge, mcqifaddr): | |
2419 | if not LinkUtils.bridge_utils_is_installed: | |
2420 | return | |
2421 | utils.exec_command('%s setmcqifaddr %s %s' % (utils.brctl_cmd, bridge, mcqifaddr)) | |
2422 | ||
2423 | def bridge_get_mcqifaddr(self, bridge): | |
2424 | return self.read_file_oneline( | |
2425 | '/sys/class/net/%s/bridge/multicast_startup_query_use_ifaddr' | |
2426 | % bridge) | |
2427 | ||
2428 | @staticmethod | |
2429 | def bridge_set_mcquerier(bridge, mcquerier): | |
2430 | if not LinkUtils.bridge_utils_is_installed: | |
2431 | return | |
2432 | utils.exec_command('%s setmcquerier %s %s' % (utils.brctl_cmd, bridge, mcquerier)) | |
2433 | ||
2434 | def bridge_get_mcquerier(self, bridge): | |
2435 | return self.read_file_oneline( | |
2436 | '/sys/class/net/%s/bridge/multicast_querier' % bridge) | |
2437 | ||
2438 | def bridge_set_mcqv4src(self, bridge, vlan, mcquerier): | |
2439 | try: | |
2440 | vlan = int(vlan) | |
2441 | except: | |
2442 | self.logger.info('%s: set mcqv4src vlan: invalid parameter %s: %s' %(bridge, vlan, str(e))) | |
2443 | return | |
2444 | if vlan == 0 or vlan > 4095: | |
2445 | self.logger.warn('mcqv4src vlan \'%d\' invalid range' % vlan) | |
2446 | return | |
2447 | ||
2448 | ip = mcquerier.split('.') | |
2449 | if len(ip) != 4: | |
2450 | self.logger.warn('mcqv4src \'%s\' invalid IPv4 address' % mcquerier) | |
2451 | return | |
2452 | for k in ip: | |
2453 | if not k.isdigit() or int(k, 10) < 0 or int(k, 10) > 255: | |
2454 | self.logger.warn('mcqv4src \'%s\' invalid IPv4 address' % mcquerier) | |
2455 | return | |
2456 | ||
2457 | if not LinkUtils.bridge_utils_is_installed: | |
2458 | return | |
2459 | ||
2460 | utils.exec_command('%s setmcqv4src %s %d %s' % | |
2461 | (utils.brctl_cmd, bridge, vlan, mcquerier)) | |
2462 | ||
2463 | def bridge_del_mcqv4src(self, bridge, vlan): | |
2464 | if not LinkUtils.bridge_utils_is_installed: | |
2465 | return | |
2466 | try: | |
2467 | vlan = int(vlan) | |
2468 | except: | |
2469 | self.logger.info('%s: del mcqv4src vlan: invalid parameter %s: %s' %(bridge, vlan, str(e))) | |
2470 | return | |
2471 | utils.exec_command('%s delmcqv4src %s %d' % (utils.brctl_cmd, bridge, vlan)) | |
2472 | ||
2473 | def bridge_get_mcqv4src(self, bridge, vlan=None): | |
2474 | if not LinkUtils.bridge_utils_is_installed: | |
2475 | return {} | |
2476 | if not self.supported_command['showmcqv4src']: | |
2477 | return {} | |
2478 | mcqv4src = {} | |
2479 | try: | |
2480 | mcqout = utils.exec_command('%s showmcqv4src %s' % | |
2481 | (utils.brctl_cmd, bridge)) | |
2482 | except Exception as e: | |
2483 | s = str(e).lower() | |
2484 | if 'never heard' in s: | |
2485 | msg = ('%s showmcqv4src: skipping unsupported command' | |
2486 | % utils.brctl_cmd) | |
2487 | self.logger.info(msg) | |
2488 | self.supported_command['showmcqv4src'] = False | |
2489 | return {} | |
2490 | raise | |
2491 | if not mcqout: | |
2492 | return {} | |
2493 | mcqlines = mcqout.splitlines() | |
2494 | for l in mcqlines[1:]: | |
2495 | l = l.strip() | |
2496 | k, d, v = l.split('\t') | |
2497 | if not k or not v: | |
2498 | continue | |
2499 | mcqv4src[k] = v | |
2500 | if vlan: | |
2501 | return mcqv4src.get(vlan) | |
2502 | return mcqv4src | |
2503 | ||
2504 | @staticmethod | |
2505 | def bridge_set_mclmi(bridge, mclmi): | |
2506 | if not LinkUtils.bridge_utils_is_installed: | |
2507 | return | |
2508 | utils.exec_command('%s setmclmi %s %s' % (utils.brctl_cmd, bridge, mclmi)) | |
2509 | ||
2510 | def bridge_get_mclmi(self, bridge): | |
2511 | return self.read_file_oneline( | |
2512 | '/sys/class/net/%s/bridge/multicast_last_member_interval' | |
2513 | % bridge) | |
2514 | ||
2515 | @staticmethod | |
2516 | def bridge_set_mcmi(bridge, mcmi): | |
2517 | if not LinkUtils.bridge_utils_is_installed: | |
2518 | return | |
2519 | utils.exec_command('%s setmcmi %s %s' % (utils.brctl_cmd, bridge, mcmi)) | |
2520 | ||
2521 | def bridge_get_mcmi(self, bridge): | |
2522 | return self.read_file_oneline( | |
2523 | '/sys/class/net/%s/bridge/multicast_membership_interval' | |
2524 | % bridge) | |
2525 | ||
2526 | @staticmethod | |
2527 | def bridge_exists(bridge): | |
2528 | return os.path.exists('/sys/class/net/%s/bridge' % bridge) | |
2529 | ||
2530 | @staticmethod | |
2531 | def is_bridge_port(ifacename): | |
2532 | return os.path.exists('/sys/class/net/%s/brport' % ifacename) | |
2533 | ||
2534 | @staticmethod | |
2535 | def bridge_port_exists(bridge, bridgeportname): | |
2536 | try: | |
2537 | return os.path.exists('/sys/class/net/%s/brif/%s' % (bridge, bridgeportname)) | |
2538 | except: | |
2539 | return False | |
2540 | ||
2541 | @staticmethod | |
2542 | def get_bridge_ports(bridgename): | |
2543 | try: | |
2544 | return os.listdir('/sys/class/net/%s/brif/' % bridgename) | |
2545 | except: | |
2546 | return [] |