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8465de90 RP |
1 | #!/usr/bin/python |
2 | # | |
3 | # Copyright 2014 Cumulus Networks, Inc. All rights reserved. | |
4 | # Author: Roopa Prabhu, roopa@cumulusnetworks.com | |
5 | # | |
6 | ||
7 | import os | |
5c5a7b93 | 8 | import signal |
32f6e6ca | 9 | import errno |
5c5a7b93 | 10 | import subprocess |
8465de90 RP |
11 | import atexit |
12 | from ifupdown.iface import * | |
54616d3f | 13 | import ifupdown.policymanager as policymanager |
8465de90 | 14 | import ifupdownaddons |
768b4ec5 | 15 | import ifupdown.rtnetlink_api as rtnetlink_api |
fc5e1735 | 16 | import ifupdown.ifupdownflags as ifupdownflags |
8465de90 RP |
17 | from ifupdownaddons.modulebase import moduleBase |
18 | from ifupdownaddons.bondutil import bondutil | |
19 | from ifupdownaddons.iproute2 import iproute2 | |
122ef35b | 20 | from ifupdownaddons.dhclient import dhclient |
8465de90 | 21 | |
8ad5c767 RP |
22 | class vrfPrivFlags: |
23 | PROCESSED = 0x1 | |
24 | ||
8465de90 RP |
25 | class vrf(moduleBase): |
26 | """ ifupdown2 addon module to configure vrfs """ | |
27 | _modinfo = { 'mhelp' : 'vrf configuration module', | |
28 | 'attrs' : { | |
29 | 'vrf-table': | |
fffec8bb N |
30 | {'help' : 'vrf device routing table id. key to ' + |
31 | 'creating a vrf device. ' + | |
32 | 'Table id is either \'auto\' or '+ | |
33 | '\'valid routing table id\'', | |
34 | 'example': ['vrf-table auto', 'vrf-table 1001']}, | |
8465de90 RP |
35 | 'vrf': |
36 | {'help' : 'vrf the interface is part of.', | |
37 | 'example': ['vrf blue']}}} | |
38 | ||
a1c23686 | 39 | iproute2_vrf_filename = '/etc/iproute2/rt_tables.d/ifupdown2_vrf_map.conf' |
8465de90 RP |
40 | iproute2_vrf_filehdr = '# This file is autogenerated by ifupdown2.\n' + \ |
41 | '# It contains the vrf name to table mapping.\n' + \ | |
6f2890fc RP |
42 | '# Reserved table range %s %s\n' |
43 | VRF_TABLE_START = 1001 | |
44 | VRF_TABLE_END = 5000 | |
8465de90 | 45 | |
f6466fcb RP |
46 | system_reserved_rt_tables = {'255' : 'local', '254' : 'main', |
47 | '253' : 'default', '0' : 'unspec'} | |
48 | ||
8465de90 RP |
49 | def __init__(self, *args, **kargs): |
50 | ifupdownaddons.modulebase.moduleBase.__init__(self, *args, **kargs) | |
51 | self.ipcmd = None | |
52 | self.bondcmd = None | |
122ef35b | 53 | self.dhclientcmd = None |
8ad5c767 | 54 | self.name = self.__class__.__name__ |
fc5e1735 | 55 | if ifupdownflags.flags.PERFMODE: |
122ef35b RP |
56 | # if perf mode is set, remove vrf map file. |
57 | # start afresh. PERFMODE is set at boot | |
58 | if os.path.exists(self.iproute2_vrf_filename): | |
59 | try: | |
60 | self.logger.info('vrf: removing file %s' | |
61 | %self.iproute2_vrf_filename) | |
62 | os.remove(self.iproute2_vrf_filename) | |
63 | except Exception, e: | |
64 | self.logger.debug('vrf: removing file failed (%s)' | |
65 | %str(e)) | |
8465de90 RP |
66 | try: |
67 | ip_rules = self.exec_command('/sbin/ip rule show').splitlines() | |
68 | self.ip_rule_cache = [' '.join(r.split()) for r in ip_rules] | |
69 | except Exception, e: | |
70 | self.ip_rule_cache = [] | |
71 | self.logger.warn('%s' %str(e)) | |
72 | ||
73 | try: | |
74 | ip_rules = self.exec_command('/sbin/ip -6 rule show').splitlines() | |
75 | self.ip6_rule_cache = [' '.join(r.split()) for r in ip_rules] | |
76 | except Exception, e: | |
77 | self.ip6_rule_cache = [] | |
78 | self.logger.warn('%s' %str(e)) | |
79 | ||
80 | #self.logger.debug("vrf: ip rule cache") | |
81 | #self.logger.info(self.ip_rule_cache) | |
82 | ||
83 | #self.logger.info("vrf: ip -6 rule cache") | |
84 | #self.logger.info(self.ip6_rule_cache) | |
85 | ||
05ac52f0 RP |
86 | self._iproute2_vrf_map_initialized = False |
87 | self.iproute2_vrf_map = {} | |
88 | self.iproute2_vrf_map_fd = None | |
89 | self.iproute2_vrf_map_sync_to_disk = False | |
90 | ||
91 | self.vrf_table_id_start = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='vrf-table-id-start') | |
92 | if not self.vrf_table_id_start: | |
93 | self.vrf_table_id_start = self.VRF_TABLE_START | |
94 | self.vrf_table_id_end = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='vrf-table-id-end') | |
95 | if not self.vrf_table_id_end: | |
96 | self.vrf_table_id_end = self.VRF_TABLE_END | |
97 | self.vrf_max_count = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='vrf-max-count') | |
98 | ||
99 | self.vrf_fix_local_table = True | |
100 | self.vrf_count = 0 | |
05ac52f0 | 101 | self.vrf_mgmt_devname = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='vrf-mgmt-devname') |
25e2386e | 102 | self.vrf_helper = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='vrf-helper') |
05ac52f0 | 103 | |
eb3ce8c8 | 104 | def _iproute2_vrf_map_initialize(self, writetodisk=True): |
05ac52f0 RP |
105 | if self._iproute2_vrf_map_initialized: |
106 | return | |
107 | ||
8465de90 RP |
108 | # XXX: check for vrf reserved overlap in /etc/iproute2/rt_tables |
109 | self.iproute2_vrf_map = {} | |
05ac52f0 | 110 | iproute2_vrf_map_force_rewrite = False |
8465de90 RP |
111 | # read or create /etc/iproute2/rt_tables.d/ifupdown2.vrf_map |
112 | if os.path.exists(self.iproute2_vrf_filename): | |
05ac52f0 RP |
113 | vrf_map_fd = open(self.iproute2_vrf_filename, 'r+') |
114 | lines = vrf_map_fd.readlines() | |
8465de90 RP |
115 | for l in lines: |
116 | l = l.strip() | |
117 | if l[0] == '#': | |
118 | continue | |
119 | try: | |
120 | (table, vrf_name) = l.strip().split() | |
05ac52f0 RP |
121 | if self.iproute2_vrf_map.get(int(table)): |
122 | # looks like the existing file has | |
123 | # duplicate entries, force rewrite of the | |
124 | # file | |
125 | iproute2_vrf_map_force_rewrite = True | |
126 | continue | |
127 | self.iproute2_vrf_map[int(table)] = vrf_name | |
8465de90 RP |
128 | except Exception, e: |
129 | self.logger.info('vrf: iproute2_vrf_map: unable to parse %s' | |
130 | %l) | |
131 | pass | |
8465de90 | 132 | |
05ac52f0 RP |
133 | vrfs = self.ipcmd.link_get_vrfs() |
134 | running_vrf_map = {} | |
135 | if vrfs: | |
136 | for v, lattrs in vrfs.iteritems(): | |
137 | table = lattrs.get('table', None) | |
138 | if table: | |
139 | running_vrf_map[int(table)] = v | |
140 | ||
4934af35 | 141 | if (not running_vrf_map or (running_vrf_map != self.iproute2_vrf_map)): |
05ac52f0 RP |
142 | self.iproute2_vrf_map = running_vrf_map |
143 | iproute2_vrf_map_force_rewrite = True | |
144 | ||
145 | self.iproute2_vrf_map_fd = None | |
eb3ce8c8 RP |
146 | if writetodisk: |
147 | if iproute2_vrf_map_force_rewrite: | |
148 | # reopen the file and rewrite the map | |
149 | self._iproute2_vrf_map_open(True, False) | |
150 | else: | |
151 | self._iproute2_vrf_map_open(False, True) | |
8465de90 | 152 | |
05ac52f0 RP |
153 | self.iproute2_vrf_map_sync_to_disk = False |
154 | atexit.register(self._iproute2_vrf_map_sync_to_disk) | |
155 | ||
156 | self.logger.info("vrf: dumping iproute2_vrf_map") | |
157 | self.logger.info(self.iproute2_vrf_map) | |
6f2890fc RP |
158 | |
159 | last_used_vrf_table = None | |
160 | for t in range(self.vrf_table_id_start, | |
161 | self.vrf_table_id_end): | |
8465de90 RP |
162 | if not self.iproute2_vrf_map.get(t): |
163 | break | |
6f2890fc | 164 | last_used_vrf_table = t |
8465de90 | 165 | self.last_used_vrf_table = last_used_vrf_table |
05ac52f0 | 166 | self._iproute2_vrf_map_initialized = True |
c8a3b44e | 167 | self.vrf_count = len(self.iproute2_vrf_map) |
09753350 | 168 | |
05ac52f0 | 169 | def _iproute2_vrf_map_sync_to_disk(self): |
eb3ce8c8 RP |
170 | if (ifupdownflags.flags.DRYRUN or |
171 | not self.iproute2_vrf_map_sync_to_disk): | |
8465de90 | 172 | return |
05ac52f0 | 173 | self.logger.info('vrf: syncing table map to %s' |
8465de90 RP |
174 | %self.iproute2_vrf_filename) |
175 | with open(self.iproute2_vrf_filename, 'w') as f: | |
6f2890fc RP |
176 | f.write(self.iproute2_vrf_filehdr %(self.vrf_table_id_start, |
177 | self.vrf_table_id_end)) | |
8465de90 RP |
178 | for t, v in self.iproute2_vrf_map.iteritems(): |
179 | f.write('%s %s\n' %(t, v)) | |
05ac52f0 RP |
180 | f.flush() |
181 | ||
182 | def _iproute2_vrf_map_open(self, sync_vrfs=False, append=False): | |
183 | self.logger.info('vrf: syncing table map to %s' | |
184 | %self.iproute2_vrf_filename) | |
eb3ce8c8 RP |
185 | if ifupdownflags.flags.DRYRUN: |
186 | return | |
05ac52f0 RP |
187 | fmode = 'a+' if append else 'w' |
188 | try: | |
189 | self.iproute2_vrf_map_fd = open(self.iproute2_vrf_filename, | |
190 | '%s' %fmode) | |
191 | except Exception, e: | |
192 | self.log_warn('vrf: error opening %s (%s)' | |
193 | %(self.iproute2_vrf_filename, str(e))) | |
194 | return | |
195 | ||
196 | if not append: | |
197 | # write file header | |
198 | self.iproute2_vrf_map_fd.write(self.iproute2_vrf_filehdr | |
199 | %(self.vrf_table_id_start, | |
200 | self.vrf_table_id_end)) | |
201 | for t, v in self.iproute2_vrf_map.iteritems(): | |
202 | self.iproute2_vrf_map_fd.write('%s %s\n' %(t, v)) | |
203 | self.iproute2_vrf_map_fd.flush() | |
8465de90 RP |
204 | |
205 | def _is_vrf(self, ifaceobj): | |
206 | if ifaceobj.get_attr_value_first('vrf-table'): | |
207 | return True | |
208 | return False | |
209 | ||
768b4ec5 | 210 | def get_upper_ifacenames(self, ifaceobj, ifacenames_all=None): |
8465de90 RP |
211 | """ Returns list of interfaces dependent on ifaceobj """ |
212 | ||
768b4ec5 RP |
213 | vrf_table = ifaceobj.get_attr_value_first('vrf-table') |
214 | if vrf_table: | |
215 | ifaceobj.link_type = ifaceLinkType.LINK_MASTER | |
216 | ifaceobj.link_kind |= ifaceLinkKind.VRF | |
f7551dcb | 217 | ifaceobj.role |= ifaceRole.MASTER |
8465de90 RP |
218 | vrf_iface_name = ifaceobj.get_attr_value_first('vrf') |
219 | if not vrf_iface_name: | |
220 | return None | |
768b4ec5 | 221 | ifaceobj.link_type = ifaceLinkType.LINK_SLAVE |
858a230f | 222 | ifaceobj.link_privflags |= ifaceLinkPrivFlags.VRF_SLAVE |
8ad5c767 | 223 | |
8465de90 RP |
224 | return [vrf_iface_name] |
225 | ||
768b4ec5 | 226 | def get_upper_ifacenames_running(self, ifaceobj): |
8465de90 RP |
227 | return None |
228 | ||
229 | def _get_iproute2_vrf_table(self, vrf_dev_name): | |
230 | for t, v in self.iproute2_vrf_map.iteritems(): | |
231 | if v == vrf_dev_name: | |
09753350 | 232 | return str(t) |
8465de90 RP |
233 | return None |
234 | ||
235 | def _get_avail_vrf_table_id(self): | |
6f2890fc RP |
236 | if self.last_used_vrf_table == None: |
237 | table_id_start = self.vrf_table_id_start | |
238 | else: | |
239 | table_id_start = self.last_used_vrf_table + 1 | |
240 | for t in range(table_id_start, | |
241 | self.vrf_table_id_end): | |
8465de90 RP |
242 | if not self.iproute2_vrf_map.get(t): |
243 | self.last_used_vrf_table = t | |
6f2890fc | 244 | return str(t) |
8465de90 RP |
245 | return None |
246 | ||
bf3eda91 | 247 | def _iproute2_is_vrf_tableid_inuse(self, vrfifaceobj, table_id): |
25e2386e | 248 | old_vrf_name = self.iproute2_vrf_map.get(int(table_id)) |
bf3eda91 | 249 | if old_vrf_name and old_vrf_name != vrfifaceobj.name: |
25e2386e | 250 | self.log_error('table id %s already assigned to vrf dev %s' |
bf3eda91 | 251 | %(table_id, old_vrf_name), vrfifaceobj) |
25e2386e | 252 | |
bf3eda91 | 253 | def _iproute2_vrf_table_entry_add(self, vrfifaceobj, table_id): |
05ac52f0 | 254 | old_vrf_name = self.iproute2_vrf_map.get(int(table_id)) |
25e2386e | 255 | if not old_vrf_name: |
bf3eda91 | 256 | self.iproute2_vrf_map[int(table_id)] = vrfifaceobj.name |
05ac52f0 RP |
257 | if self.iproute2_vrf_map_fd: |
258 | self.iproute2_vrf_map_fd.write('%s %s\n' | |
bf3eda91 | 259 | %(table_id, vrfifaceobj.name)) |
05ac52f0 | 260 | self.iproute2_vrf_map_fd.flush() |
c8a3b44e | 261 | self.vrf_count += 1 |
25e2386e RP |
262 | return |
263 | ||
bf3eda91 | 264 | if old_vrf_name != vrfifaceobj.name: |
25e2386e RP |
265 | self.log_error('table id %d already assigned to vrf dev %s' |
266 | %(table_id, old_vrf_name)) | |
8465de90 RP |
267 | |
268 | def _iproute2_vrf_table_entry_del(self, table_id): | |
269 | try: | |
05ac52f0 RP |
270 | # with any del of vrf map, we need to force sync to disk |
271 | self.iproute2_vrf_map_sync_to_disk = True | |
09753350 | 272 | del self.iproute2_vrf_map[int(table_id)] |
8465de90 RP |
273 | except Exception, e: |
274 | self.logger.info('vrf: iproute2 vrf map del failed for %d (%s)' | |
275 | %(table_id, str(e))) | |
276 | pass | |
277 | ||
aa36221f RP |
278 | def _is_vrf_dev(self, ifacename): |
279 | # Look at iproute2 map for now. | |
280 | # If it was a master we knew about, | |
281 | # it is definately there | |
282 | if ifacename in self.iproute2_vrf_map.values(): | |
283 | return True | |
284 | return False | |
285 | ||
122ef35b RP |
286 | def _is_dhcp_slave(self, ifaceobj): |
287 | if (not ifaceobj.addr_method or | |
288 | (ifaceobj.addr_method != 'dhcp' and | |
289 | ifaceobj.addr_method != 'dhcp6')): | |
290 | return False | |
291 | return True | |
292 | ||
0ba04b38 RP |
293 | def _up_vrf_slave_without_master(self, ifacename, vrfname, ifaceobj, |
294 | ifaceobj_getfunc): | |
8ad5c767 RP |
295 | """ If we have a vrf slave that has dhcp configured, bring up the |
296 | vrf master now. This is needed because vrf has special handling | |
297 | in dhclient hook which requires the vrf master to be present """ | |
0ba04b38 | 298 | |
8ad5c767 RP |
299 | vrf_master = ifaceobj.upperifaces[0] |
300 | if not vrf_master: | |
301 | self.logger.warn('%s: vrf master not found' %ifacename) | |
302 | return | |
303 | if os.path.exists('/sys/class/net/%s' %vrf_master): | |
304 | self.logger.info('%s: vrf master %s exists returning' | |
305 | %(ifacename, vrf_master)) | |
306 | return | |
307 | vrf_master_objs = ifaceobj_getfunc(vrf_master) | |
308 | if not vrf_master_objs: | |
309 | self.logger.warn('%s: vrf master ifaceobj not found' %ifacename) | |
310 | return | |
311 | self.logger.info('%s: bringing up vrf master %s' | |
312 | %(ifacename, vrf_master)) | |
313 | for mobj in vrf_master_objs: | |
314 | vrf_table = mobj.get_attr_value_first('vrf-table') | |
315 | if vrf_table: | |
df53966d RP |
316 | if vrf_table == 'auto': |
317 | vrf_table = self._get_avail_vrf_table_id() | |
318 | if not vrf_table: | |
319 | self.log_error('%s: unable to get an auto table id' | |
bf3eda91 | 320 | %mobj.name, ifaceobj) |
df53966d RP |
321 | self.logger.info('%s: table id auto: selected table id %s\n' |
322 | %(mobj.name, vrf_table)) | |
25e2386e RP |
323 | try: |
324 | self._up_vrf_dev(mobj, vrf_table, False) | |
325 | except Exception: | |
326 | raise | |
df53966d | 327 | break |
0ba04b38 | 328 | self._handle_existing_connections(ifaceobj, vrfname) |
8ad5c767 RP |
329 | self.ipcmd.link_set(ifacename, 'master', vrfname) |
330 | return | |
331 | ||
717cee31 | 332 | def _down_dhcp_slave(self, ifaceobj, vrfname): |
122ef35b | 333 | try: |
717cee31 | 334 | dhclient_cmd_prefix = None |
6369e774 RP |
335 | if (vrfname and self.vrf_exec_cmd_prefix and |
336 | self.ipcmd.link_exists(vrfname)): | |
717cee31 RP |
337 | dhclient_cmd_prefix = '%s %s' %(self.vrf_exec_cmd_prefix, |
338 | vrfname) | |
339 | self.dhclientcmd.release(ifaceobj.name, dhclient_cmd_prefix) | |
122ef35b RP |
340 | except: |
341 | # ignore any dhclient release errors | |
342 | pass | |
343 | ||
0ba04b38 | 344 | def _handle_existing_connections(self, ifaceobj, vrfname): |
fc5e1735 | 345 | if not ifaceobj or ifupdownflags.flags.PERFMODE: |
0ba04b38 RP |
346 | return |
347 | if (self.vrf_mgmt_devname and | |
348 | self.vrf_mgmt_devname == vrfname): | |
349 | self._kill_ssh_connections(ifaceobj.name) | |
350 | if self._is_dhcp_slave(ifaceobj): | |
717cee31 | 351 | self._down_dhcp_slave(ifaceobj, vrfname) |
0ba04b38 | 352 | |
8ad5c767 | 353 | def _up_vrf_slave(self, ifacename, vrfname, ifaceobj=None, |
09753350 | 354 | ifaceobj_getfunc=None, vrf_exists=False): |
8465de90 | 355 | try: |
d2b35716 | 356 | master_exists = True |
09753350 RP |
357 | if vrf_exists or self.ipcmd.link_exists(vrfname): |
358 | upper = self.ipcmd.link_get_upper(ifacename) | |
4d2c9798 | 359 | if not upper or upper != vrfname: |
0ba04b38 | 360 | self._handle_existing_connections(ifaceobj, vrfname) |
122ef35b | 361 | self.ipcmd.link_set(ifacename, 'master', vrfname) |
d2b35716 | 362 | elif ifupdownflags.flags.ALL and ifaceobj: |
0ba04b38 RP |
363 | self._up_vrf_slave_without_master(ifacename, vrfname, ifaceobj, |
364 | ifaceobj_getfunc) | |
d2b35716 RP |
365 | else: |
366 | master_exists = False | |
367 | if master_exists: | |
368 | rtnetlink_api.rtnl_api.link_set(ifacename, "up") | |
e0a7f7a4 | 369 | elif ifupdownflags.flags.ALL: |
d2b35716 | 370 | self.log_error('vrf %s not around, skipping vrf config' |
bf3eda91 | 371 | %(vrfname), ifaceobj) |
8465de90 | 372 | except Exception, e: |
bf3eda91 | 373 | self.log_error('%s: %s' %(ifacename, str(e)), ifaceobj) |
8465de90 RP |
374 | |
375 | def _del_vrf_rules(self, vrf_dev_name, vrf_table): | |
376 | pref = 200 | |
377 | ip_rule_out_format = '%s: from all %s %s lookup %s' | |
378 | ip_rule_cmd = 'ip %s rule del pref %s %s %s table %s' | |
379 | ||
4ce47ce4 | 380 | rule = ip_rule_out_format %(pref, 'oif', vrf_dev_name, vrf_dev_name) |
8465de90 | 381 | if rule in self.ip_rule_cache: |
25e2386e RP |
382 | rule_cmd = ip_rule_cmd %('', pref, 'oif', vrf_dev_name, |
383 | vrf_dev_name) | |
8465de90 RP |
384 | self.exec_command(rule_cmd) |
385 | ||
4ce47ce4 | 386 | rule = ip_rule_out_format %(pref, 'iif', vrf_dev_name, vrf_dev_name) |
8465de90 | 387 | if rule in self.ip_rule_cache: |
25e2386e RP |
388 | rule_cmd = ip_rule_cmd %('', pref, 'iif', vrf_dev_name, |
389 | vrf_dev_name) | |
8465de90 RP |
390 | self.exec_command(rule_cmd) |
391 | ||
4ce47ce4 | 392 | rule = ip_rule_out_format %(pref, 'oif', vrf_dev_name, vrf_dev_name) |
e6072769 | 393 | if rule in self.ip6_rule_cache: |
8465de90 | 394 | rule_cmd = ip_rule_cmd %('-6', pref, 'oif', vrf_dev_name, |
25e2386e | 395 | vrf_dev_name) |
8465de90 RP |
396 | self.exec_command(rule_cmd) |
397 | ||
4ce47ce4 | 398 | rule = ip_rule_out_format %(pref, 'iif', vrf_dev_name, vrf_dev_name) |
e6072769 | 399 | if rule in self.ip6_rule_cache: |
8465de90 | 400 | rule_cmd = ip_rule_cmd %('-6', pref, 'iif', vrf_dev_name, |
25e2386e | 401 | vrf_dev_name) |
8465de90 RP |
402 | self.exec_command(rule_cmd) |
403 | ||
404 | def _add_vrf_rules(self, vrf_dev_name, vrf_table): | |
405 | pref = 200 | |
406 | ip_rule_out_format = '%s: from all %s %s lookup %s' | |
407 | ip_rule_cmd = 'ip %s rule add pref %s %s %s table %s' | |
659097a0 N |
408 | if self.vrf_fix_local_table: |
409 | self.vrf_fix_local_table = False | |
410 | rule = '0: from all lookup local' | |
411 | if rule in self.ip_rule_cache: | |
412 | try: | |
3fcb15fe N |
413 | self.exec_command('ip rule del pref 0') |
414 | self.exec_command('ip rule add pref 32765 table local') | |
659097a0 N |
415 | except Exception, e: |
416 | self.logger.info('%s' %str(e)) | |
417 | pass | |
c61672da N |
418 | if rule in self.ip6_rule_cache: |
419 | try: | |
420 | self.exec_command('ip -6 rule del pref 0') | |
421 | self.exec_command('ip -6 rule add pref 32765 table local') | |
422 | except Exception, e: | |
423 | self.logger.info('%s' %str(e)) | |
424 | pass | |
8465de90 | 425 | |
3fcb15fe N |
426 | #Example ip rule |
427 | #200: from all oif blue lookup blue | |
428 | #200: from all iif blue lookup blue | |
429 | ||
430 | rule = ip_rule_out_format %(pref, 'oif', vrf_dev_name, vrf_dev_name) | |
8465de90 | 431 | if rule not in self.ip_rule_cache: |
25e2386e RP |
432 | rule_cmd = ip_rule_cmd %('', pref, 'oif', vrf_dev_name, |
433 | vrf_dev_name) | |
8465de90 RP |
434 | self.exec_command(rule_cmd) |
435 | ||
3fcb15fe | 436 | rule = ip_rule_out_format %(pref, 'iif', vrf_dev_name, vrf_dev_name) |
8465de90 | 437 | if rule not in self.ip_rule_cache: |
25e2386e RP |
438 | rule_cmd = ip_rule_cmd %('', pref, 'iif', vrf_dev_name, |
439 | vrf_dev_name) | |
8465de90 RP |
440 | self.exec_command(rule_cmd) |
441 | ||
3fcb15fe | 442 | rule = ip_rule_out_format %(pref, 'oif', vrf_dev_name, vrf_dev_name) |
e6072769 | 443 | if rule not in self.ip6_rule_cache: |
25e2386e RP |
444 | rule_cmd = ip_rule_cmd %('-6', pref, 'oif', vrf_dev_name, |
445 | vrf_dev_name) | |
8465de90 RP |
446 | self.exec_command(rule_cmd) |
447 | ||
3fcb15fe | 448 | rule = ip_rule_out_format %(pref, 'iif', vrf_dev_name, vrf_dev_name) |
e6072769 | 449 | if rule not in self.ip6_rule_cache: |
8465de90 | 450 | rule_cmd = ip_rule_cmd %('-6', pref, 'iif', vrf_dev_name, |
25e2386e | 451 | vrf_dev_name) |
8465de90 RP |
452 | self.exec_command(rule_cmd) |
453 | ||
4d2c9798 | 454 | def _add_vrf_slaves(self, ifaceobj, ifaceobj_getfunc=None): |
768b4ec5 RP |
455 | running_slaves = self.ipcmd.link_get_lowers(ifaceobj.name) |
456 | config_slaves = ifaceobj.lowerifaces | |
b94e4d24 | 457 | if not config_slaves and not running_slaves: |
867e11a2 | 458 | return |
4d2c9798 RP |
459 | |
460 | if not config_slaves: config_slaves = [] | |
461 | if not running_slaves: running_slaves = [] | |
768b4ec5 RP |
462 | add_slaves = set(config_slaves).difference(set(running_slaves)) |
463 | del_slaves = set(running_slaves).difference(set(config_slaves)) | |
464 | if add_slaves: | |
465 | for s in add_slaves: | |
466 | try: | |
d2b35716 RP |
467 | if not self.ipcmd.link_exists(s): |
468 | continue | |
09753350 RP |
469 | sobj = None |
470 | if ifaceobj_getfunc: | |
471 | sobj = ifaceobj_getfunc(s) | |
472 | self._up_vrf_slave(s, ifaceobj.name, | |
473 | sobj[0] if sobj else None, | |
474 | ifaceobj_getfunc, True) | |
768b4ec5 RP |
475 | except Exception, e: |
476 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) | |
477 | ||
478 | if del_slaves: | |
479 | for s in del_slaves: | |
480 | try: | |
aa36221f | 481 | sobj = None |
4d2c9798 RP |
482 | if ifaceobj_getfunc: |
483 | sobj = ifaceobj_getfunc(s) | |
0ba04b38 RP |
484 | self._down_vrf_slave(s, sobj[0] if sobj else None, |
485 | ifaceobj.name) | |
768b4ec5 RP |
486 | except Exception, e: |
487 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) | |
488 | ||
489 | if ifaceobj.link_type == ifaceLinkType.LINK_MASTER: | |
490 | for s in config_slaves: | |
491 | try: | |
492 | rtnetlink_api.rtnl_api.link_set(s, "up") | |
493 | except Exception, e: | |
494 | self.logger.debug('%s: %s: link set up (%s)' | |
495 | %(ifaceobj.name, s, str(e))) | |
496 | pass | |
8465de90 | 497 | |
8ad5c767 RP |
498 | def _set_vrf_dev_processed_flag(self, ifaceobj): |
499 | ifaceobj.module_flags[self.name] = \ | |
500 | ifaceobj.module_flags.setdefault(self.name, 0) | \ | |
501 | vrfPrivFlags.PROCESSED | |
502 | ||
503 | def _check_vrf_dev_processed_flag(self, ifaceobj): | |
25e2386e | 504 | if (ifaceobj.module_flags.get(self.name, 0) & vrfPrivFlags.PROCESSED): |
8ad5c767 RP |
505 | return True |
506 | return False | |
8465de90 | 507 | |
8ad5c767 | 508 | def _create_vrf_dev(self, ifaceobj, vrf_table): |
2df6a60f | 509 | if not self.ipcmd.link_exists(ifaceobj.name): |
f6466fcb RP |
510 | if ifaceobj.name in self.system_reserved_rt_tables.values(): |
511 | self.log_error('cannot use system reserved %s vrf names' | |
bf3eda91 RP |
512 | %(str(self.system_reserved_rt_tables.values())), |
513 | ifaceobj) | |
c8a3b44e RP |
514 | if self.vrf_count == self.vrf_max_count: |
515 | self.log_error('%s: max vrf count %d hit...not ' | |
516 | 'creating vrf' %(ifaceobj.name, | |
bf3eda91 | 517 | self.vrf_count), ifaceobj) |
6f2890fc RP |
518 | if vrf_table == 'auto': |
519 | vrf_table = self._get_avail_vrf_table_id() | |
520 | if not vrf_table: | |
521 | self.log_error('%s: unable to get an auto table id' | |
bf3eda91 | 522 | %ifaceobj.name, ifaceobj) |
6f2890fc RP |
523 | self.logger.info('%s: table id auto: selected table id %s\n' |
524 | %(ifaceobj.name, vrf_table)) | |
25e2386e | 525 | else: |
bf3eda91 | 526 | self._iproute2_is_vrf_tableid_inuse(ifaceobj, vrf_table) |
f6466fcb RP |
527 | if ifaceobj.name in self.system_reserved_rt_tables.keys(): |
528 | self.log_error('cannot use system reserved %s table ids' | |
bf3eda91 RP |
529 | %(str(self.system_reserved_rt_tables.keys())), |
530 | ifaceobj) | |
d54baa22 RP |
531 | |
532 | if not vrf_table.isdigit(): | |
533 | self.log_error('%s: vrf-table must be an integer or \'auto\'' | |
534 | %(ifaceobj.name), ifaceobj) | |
535 | ||
6f2890fc RP |
536 | # XXX: If we decide to not allow vrf id usages out of |
537 | # the reserved ifupdown range, then uncomment this code. | |
fd8c6caf RP |
538 | else: |
539 | if (int(vrf_table) < self.vrf_table_id_start or | |
540 | int(vrf_table) > self.vrf_table_id_end): | |
541 | self.log_error('%s: vrf table id %s out of reserved range [%d,%d]' | |
542 | %(ifaceobj.name, vrf_table, | |
543 | self.vrf_table_id_start, | |
bf3eda91 | 544 | self.vrf_table_id_end), ifaceobj) |
2df6a60f | 545 | try: |
8465de90 RP |
546 | self.ipcmd.link_create(ifaceobj.name, 'vrf', |
547 | {'table' : '%s' %vrf_table}) | |
2df6a60f RP |
548 | except Exception, e: |
549 | self.log_error('%s: create failed (%s)\n' | |
bf3eda91 | 550 | %(ifaceobj.name, str(e)), ifaceobj) |
25e2386e | 551 | if vrf_table != 'auto': |
bf3eda91 | 552 | self._iproute2_vrf_table_entry_add(ifaceobj, vrf_table) |
2df6a60f | 553 | else: |
4d2c9798 RP |
554 | if vrf_table == 'auto': |
555 | vrf_table = self._get_iproute2_vrf_table(ifaceobj.name) | |
556 | if not vrf_table: | |
557 | self.log_error('%s: unable to get vrf table id' | |
bf3eda91 | 558 | %ifaceobj.name, ifaceobj) |
6f2890fc | 559 | |
2df6a60f RP |
560 | # if the device exists, check if table id is same |
561 | vrfdev_attrs = self.ipcmd.link_get_linkinfo_attrs(ifaceobj.name) | |
562 | if vrfdev_attrs: | |
563 | running_table = vrfdev_attrs.get('table', None) | |
564 | if vrf_table != running_table: | |
6f2890fc | 565 | self.log_error('%s: cannot change vrf table id,running table id %s is different from config id %s' %(ifaceobj.name, |
bf3eda91 RP |
566 | running_table, vrf_table), |
567 | ifaceobj) | |
4d2c9798 RP |
568 | return vrf_table |
569 | ||
25e2386e | 570 | def _up_vrf_helper(self, ifaceobj, vrf_table): |
c4e05f9f RP |
571 | mode = "" |
572 | if ifupdownflags.flags.PERFMODE: | |
573 | mode = "boot" | |
25e2386e | 574 | if self.vrf_helper: |
c4e05f9f RP |
575 | self.exec_command('%s create %s %s %s' %(self.vrf_helper, |
576 | ifaceobj.name, vrf_table, mode)) | |
25e2386e | 577 | |
4d2c9798 RP |
578 | def _up_vrf_dev(self, ifaceobj, vrf_table, add_slaves=True, |
579 | ifaceobj_getfunc=None): | |
8ad5c767 RP |
580 | |
581 | # if vrf dev is already processed return. This can happen | |
0ba04b38 RP |
582 | # if we the slave was configured before. |
583 | # see self._up_vrf_slave_without_master | |
8ad5c767 RP |
584 | if self._check_vrf_dev_processed_flag(ifaceobj): |
585 | return True | |
586 | ||
25e2386e RP |
587 | try: |
588 | vrf_table = self._create_vrf_dev(ifaceobj, vrf_table) | |
589 | except Exception, e: | |
bf3eda91 | 590 | self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj) |
25e2386e | 591 | |
8ad5c767 | 592 | try: |
8ad5c767 | 593 | self._add_vrf_rules(ifaceobj.name, vrf_table) |
6369e774 | 594 | self._up_vrf_helper(ifaceobj, vrf_table) |
8ad5c767 | 595 | if add_slaves: |
4d2c9798 | 596 | self._add_vrf_slaves(ifaceobj, ifaceobj_getfunc) |
8ad5c767 | 597 | self._set_vrf_dev_processed_flag(ifaceobj) |
0ba04b38 | 598 | rtnetlink_api.rtnl_api.link_set(ifaceobj.name, "up") |
8ad5c767 | 599 | except Exception, e: |
bf3eda91 | 600 | self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj) |
8ad5c767 | 601 | |
0ba04b38 | 602 | def _kill_ssh_connections(self, ifacename): |
5c5a7b93 | 603 | try: |
0ba04b38 RP |
604 | runningaddrsdict = self.ipcmd.addr_get(ifacename) |
605 | if not runningaddrsdict: | |
5c5a7b93 | 606 | return |
0ba04b38 RP |
607 | iplist = [i.split('/', 1)[0] for i in runningaddrsdict.keys()] |
608 | if not iplist: | |
609 | return | |
610 | proc=[] | |
5c5a7b93 N |
611 | #Example output: |
612 | #ESTAB 0 0 10.0.1.84:ssh 10.0.1.228:45186 | |
613 | #users:(("sshd",pid=2528,fd=3)) | |
0ba04b38 | 614 | cmdl = ['/bin/ss', '-t', '-p'] |
5c5a7b93 N |
615 | for line in subprocess.check_output(cmdl, stderr=subprocess.STDOUT, |
616 | shell=False).splitlines(): | |
617 | citems = line.split() | |
618 | addr = None | |
619 | if '%' in citems[3]: | |
620 | addr = citems[3].split('%')[0] | |
621 | elif ':ssh' in citems[3]: | |
622 | addr = citems[3].split(':')[0] | |
623 | if not addr: | |
624 | continue | |
0ba04b38 | 625 | if addr in iplist: |
5c5a7b93 N |
626 | if len(citems) == 6: |
627 | proc.append(citems[5].split(',')[1].split('=')[1]) | |
628 | ||
629 | if not proc: | |
630 | return | |
0ba04b38 | 631 | pid = subprocess.check_output(['/bin/ps', '--no-headers', |
5c5a7b93 N |
632 | '-fp', str(os.getppid())], |
633 | stderr=subprocess.STDOUT, | |
634 | shell=False).split()[2] | |
aa36221f RP |
635 | self.logger.info("%s: killing active ssh sessions: %s" |
636 | %(ifacename, str(proc))) | |
cbdde74e RP |
637 | |
638 | if ifupdownflags.flags.DRYRUN: | |
639 | return | |
5c5a7b93 N |
640 | for id in proc: |
641 | if id != pid: | |
642 | try: | |
aa36221f | 643 | os.kill(int(id), signal.SIGINT) |
5c5a7b93 N |
644 | except OSError as e: |
645 | continue | |
0ba04b38 RP |
646 | |
647 | # Kill current SSH client | |
5c5a7b93 | 648 | if pid in proc: |
32f6e6ca | 649 | try: |
0ba04b38 RP |
650 | forkret = os.fork() |
651 | except OSError, e: | |
652 | self.logger.info("fork error : %s [%d]" % (e.strerror, e.errno)) | |
653 | if (forkret == 0): # The first child. | |
654 | try: | |
655 | os.setsid() | |
656 | self.logger.info("%s: ifreload continuing in the background" %ifacename) | |
657 | except OSError, (err_no, err_message): | |
658 | self.logger.info("os.setsid failed: errno=%d: %s" % (err_no, err_message)) | |
659 | self.logger.info("pid=%d pgid=%d" % (os.getpid(), os.getpgid(0))) | |
5c5a7b93 | 660 | try: |
aa36221f RP |
661 | self.logger.info("%s: killing our session: %s" |
662 | %(ifacename, str(proc))) | |
663 | os.kill(int(pid), signal.SIGINT) | |
5c5a7b93 N |
664 | return |
665 | except OSError as e: | |
666 | return | |
667 | except Exception, e: | |
668 | self.logger.info('%s: %s' %(ifacename, str(e))) | |
669 | ||
8ad5c767 | 670 | def _up(self, ifaceobj, ifaceobj_getfunc=None): |
8465de90 RP |
671 | try: |
672 | vrf_table = ifaceobj.get_attr_value_first('vrf-table') | |
673 | if vrf_table: | |
05ac52f0 | 674 | self._iproute2_vrf_map_initialize() |
09753350 | 675 | # This is a vrf device |
4d2c9798 | 676 | self._up_vrf_dev(ifaceobj, vrf_table, True, ifaceobj_getfunc) |
8465de90 RP |
677 | else: |
678 | vrf = ifaceobj.get_attr_value_first('vrf') | |
679 | if vrf: | |
05ac52f0 | 680 | self._iproute2_vrf_map_initialize() |
09753350 | 681 | # This is a vrf slave |
8ad5c767 RP |
682 | self._up_vrf_slave(ifaceobj.name, vrf, ifaceobj, |
683 | ifaceobj_getfunc) | |
aa36221f RP |
684 | else: |
685 | # check if we were a slave before | |
686 | master = self.ipcmd.link_get_master(ifaceobj.name) | |
687 | if master: | |
717cee31 | 688 | self._iproute2_vrf_map_initialize() |
aa36221f | 689 | if self._is_vrf_dev(master): |
0ba04b38 RP |
690 | self._down_vrf_slave(ifaceobj.name, ifaceobj, |
691 | master) | |
8465de90 | 692 | except Exception, e: |
bf3eda91 | 693 | self.log_error(str(e), ifaceobj) |
8465de90 | 694 | |
25e2386e | 695 | def _down_vrf_helper(self, ifaceobj, vrf_table): |
c4e05f9f RP |
696 | mode = "" |
697 | if ifupdownflags.flags.PERFMODE: | |
698 | mode = "boot" | |
25e2386e | 699 | if self.vrf_helper: |
c4e05f9f RP |
700 | self.exec_command('%s delete %s %s %s' %(self.vrf_helper, |
701 | ifaceobj.name, vrf_table, mode)) | |
25e2386e | 702 | |
c4be5481 | 703 | def _down_vrf_dev(self, ifaceobj, vrf_table, ifaceobj_getfunc=None): |
5c5a7b93 | 704 | |
8465de90 RP |
705 | if vrf_table == 'auto': |
706 | vrf_table = self._get_iproute2_vrf_table(ifaceobj.name) | |
aa36221f | 707 | |
2365b3c9 RP |
708 | running_slaves = self.ipcmd.link_get_lowers(ifaceobj.name) |
709 | if running_slaves: | |
710 | for s in running_slaves: | |
711 | if ifaceobj_getfunc: | |
712 | sobj = ifaceobj_getfunc(s) | |
713 | try: | |
714 | self._handle_existing_connections(sobj[0] | |
715 | if sobj else None, | |
0ba04b38 | 716 | ifaceobj.name) |
2365b3c9 RP |
717 | except Exception, e: |
718 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) | |
719 | pass | |
720 | try: | |
721 | self.ipcmd.addr_flush(s) | |
722 | rtnetlink_api.rtnl_api.link_set(s, "down") | |
723 | except Exception, e: | |
724 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) | |
725 | pass | |
768b4ec5 | 726 | |
6369e774 | 727 | self._down_vrf_helper(ifaceobj, vrf_table) |
25e2386e | 728 | |
768b4ec5 | 729 | try: |
f1c92482 | 730 | self._del_vrf_rules(ifaceobj.name, vrf_table) |
768b4ec5 RP |
731 | except Exception, e: |
732 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) | |
733 | pass | |
734 | ||
735 | try: | |
f1c92482 RP |
736 | self.ipcmd.link_delete(ifaceobj.name) |
737 | except Exception, e: | |
738 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) | |
739 | pass | |
740 | ||
741 | try: | |
742 | self._iproute2_vrf_table_entry_del(vrf_table) | |
8465de90 | 743 | except Exception, e: |
768b4ec5 RP |
744 | self.logger.info('%s: %s' %(ifaceobj.name, str(e))) |
745 | pass | |
8465de90 | 746 | |
f1c92482 | 747 | |
0ba04b38 | 748 | def _down_vrf_slave(self, ifacename, ifaceobj=None, vrfname=None): |
8465de90 | 749 | try: |
0ba04b38 | 750 | self._handle_existing_connections(ifaceobj, vrfname) |
768b4ec5 | 751 | self.ipcmd.link_set(ifacename, 'nomaster') |
f825610e | 752 | rtnetlink_api.rtnl_api.link_set(ifacename, "down") |
8465de90 | 753 | except Exception, e: |
768b4ec5 | 754 | self.logger.warn('%s: %s' %(ifacename, str(e))) |
8465de90 | 755 | |
8ad5c767 | 756 | def _down(self, ifaceobj, ifaceobj_getfunc=None): |
8465de90 RP |
757 | try: |
758 | vrf_table = ifaceobj.get_attr_value_first('vrf-table') | |
759 | if vrf_table: | |
05ac52f0 | 760 | self._iproute2_vrf_map_initialize() |
c4be5481 | 761 | self._down_vrf_dev(ifaceobj, vrf_table, ifaceobj_getfunc) |
8465de90 RP |
762 | else: |
763 | vrf = ifaceobj.get_attr_value_first('vrf') | |
764 | if vrf: | |
05ac52f0 | 765 | self._iproute2_vrf_map_initialize() |
0ba04b38 | 766 | self._down_vrf_slave(ifaceobj.name, ifaceobj, None) |
8465de90 RP |
767 | except Exception, e: |
768 | self.log_warn(str(e)) | |
769 | ||
770 | def _query_check_vrf_slave(self, ifaceobj, ifaceobjcurr, vrf): | |
771 | try: | |
54616d3f | 772 | master = self.ipcmd.link_get_master(ifaceobj.name) |
8465de90 | 773 | if not master or master != vrf: |
586535e8 | 774 | ifaceobjcurr.update_config_with_status('vrf', str(master), 1) |
8465de90 RP |
775 | else: |
776 | ifaceobjcurr.update_config_with_status('vrf', master, 0) | |
777 | except Exception, e: | |
bf3eda91 | 778 | self.log_error(str(e), ifaceobjcurr) |
8465de90 | 779 | |
6e16e5ae | 780 | def _query_check_vrf_dev(self, ifaceobj, ifaceobjcurr, vrf_table): |
8465de90 RP |
781 | try: |
782 | if not self.ipcmd.link_exists(ifaceobj.name): | |
783 | self.logger.info('%s: vrf: does not exist' %(ifaceobj.name)) | |
784 | return | |
785 | if vrf_table == 'auto': | |
786 | config_table = self._get_iproute2_vrf_table(ifaceobj.name) | |
787 | else: | |
788 | config_table = vrf_table | |
789 | vrfdev_attrs = self.ipcmd.link_get_linkinfo_attrs(ifaceobj.name) | |
790 | if not vrfdev_attrs: | |
791 | ifaceobjcurr.update_config_with_status('vrf-table', 'None', 1) | |
792 | return | |
793 | running_table = vrfdev_attrs.get('table') | |
794 | if not running_table: | |
795 | ifaceobjcurr.update_config_with_status('vrf-table', 'None', 1) | |
796 | return | |
797 | if config_table != running_table: | |
798 | ifaceobjcurr.update_config_with_status('vrf-table', | |
799 | running_table, 1) | |
800 | else: | |
801 | ifaceobjcurr.update_config_with_status('vrf-table', | |
802 | running_table, 0) | |
6e16e5ae | 803 | if not ifupdownflags.flags.WITHDEFAULTS: |
669b422a RP |
804 | return |
805 | if self.vrf_helper: | |
6e16e5ae N |
806 | try: |
807 | self.exec_command('%s verify %s %s' | |
808 | %(self.vrf_helper, | |
809 | ifaceobj.name, config_table)) | |
810 | ifaceobjcurr.update_config_with_status('vrf-helper', | |
811 | '%s create %s %s' | |
812 | %(self.vrf_helper, | |
813 | ifaceobj.name, | |
814 | config_table), 0) | |
815 | except Exception, e: | |
816 | ifaceobjcurr.update_config_with_status('vrf-helper', | |
817 | '%s create %s %s' | |
818 | %(self.vrf_helper, | |
819 | ifaceobj.name, | |
820 | config_table), 1) | |
821 | pass | |
8465de90 RP |
822 | except Exception, e: |
823 | self.log_warn(str(e)) | |
824 | ||
6e16e5ae | 825 | def _query_check(self, ifaceobj, ifaceobjcurr): |
8465de90 RP |
826 | try: |
827 | vrf_table = ifaceobj.get_attr_value_first('vrf-table') | |
828 | if vrf_table: | |
eb3ce8c8 | 829 | self._iproute2_vrf_map_initialize(writetodisk=False) |
6e16e5ae | 830 | self._query_check_vrf_dev(ifaceobj, ifaceobjcurr, vrf_table) |
8465de90 RP |
831 | else: |
832 | vrf = ifaceobj.get_attr_value_first('vrf') | |
833 | if vrf: | |
eb3ce8c8 | 834 | self._iproute2_vrf_map_initialize(writetodisk=False) |
8465de90 RP |
835 | self._query_check_vrf_slave(ifaceobj, ifaceobjcurr, vrf) |
836 | except Exception, e: | |
837 | self.log_warn(str(e)) | |
838 | ||
8ad5c767 | 839 | def _query_running(self, ifaceobjrunning, ifaceobj_getfunc=None): |
8465de90 RP |
840 | try: |
841 | kind = self.ipcmd.link_get_kind(ifaceobjrunning.name) | |
842 | if kind == 'vrf': | |
54616d3f | 843 | vrfdev_attrs = self.ipcmd.link_get_linkinfo_attrs(ifaceobjrunning.name) |
8465de90 RP |
844 | if vrfdev_attrs: |
845 | running_table = vrfdev_attrs.get('table') | |
846 | if running_table: | |
847 | ifaceobjrunning.update_config('vrf-table', | |
848 | running_table) | |
849 | elif kind == 'vrf_slave': | |
54616d3f | 850 | vrf = self.ipcmd.link_get_master(ifaceobjrunning.name) |
8465de90 RP |
851 | if vrf: |
852 | ifaceobjrunning.update_config('vrf', vrf) | |
853 | except Exception, e: | |
854 | self.log_warn(str(e)) | |
855 | ||
baa909c6 N |
856 | def _query(self, ifaceobj, **kwargs): |
857 | if not self.vrf_helper: | |
858 | return | |
859 | if (ifaceobj.link_kind & ifaceLinkKind.VRF): | |
860 | ifaceobj.update_config('vrf-helper', '%s %s' %(self.vrf_helper, | |
861 | ifaceobj.name)) | |
862 | ||
8465de90 RP |
863 | _run_ops = {'pre-up' : _up, |
864 | 'post-down' : _down, | |
865 | 'query-running' : _query_running, | |
baa909c6 N |
866 | 'query-checkcurr' : _query_check, |
867 | 'query' : _query} | |
8465de90 RP |
868 | |
869 | def get_ops(self): | |
870 | """ returns list of ops supported by this module """ | |
871 | return self._run_ops.keys() | |
872 | ||
873 | def _init_command_handlers(self): | |
8465de90 | 874 | if not self.ipcmd: |
fc5e1735 | 875 | self.ipcmd = iproute2() |
8465de90 | 876 | if not self.bondcmd: |
fc5e1735 | 877 | self.bondcmd = bondutil() |
122ef35b | 878 | if not self.dhclientcmd: |
fc5e1735 | 879 | self.dhclientcmd = dhclient() |
8465de90 | 880 | |
8ad5c767 RP |
881 | def run(self, ifaceobj, operation, query_ifaceobj=None, |
882 | ifaceobj_getfunc=None, **extra_args): | |
8465de90 RP |
883 | """ run bond configuration on the interface object passed as argument |
884 | ||
885 | Args: | |
886 | **ifaceobj** (object): iface object | |
887 | ||
888 | **operation** (str): any of 'pre-up', 'post-down', 'query-checkcurr', | |
889 | 'query-running' | |
890 | ||
891 | Kwargs: | |
892 | **query_ifaceobj** (object): query check ifaceobject. This is only | |
893 | valid when op is 'query-checkcurr'. It is an object same as | |
894 | ifaceobj, but contains running attribute values and its config | |
895 | status. The modules can use it to return queried running state | |
896 | of interfaces. status is success if the running state is same | |
897 | as user required state in ifaceobj. error otherwise. | |
898 | """ | |
899 | op_handler = self._run_ops.get(operation) | |
900 | if not op_handler: | |
901 | return | |
902 | self._init_command_handlers() | |
903 | if operation == 'query-checkcurr': | |
6e16e5ae | 904 | op_handler(self, ifaceobj, query_ifaceobj) |
8465de90 | 905 | else: |
8ad5c767 | 906 | op_handler(self, ifaceobj, ifaceobj_getfunc=ifaceobj_getfunc) |