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a6f80f0e | 1 | #!/usr/bin/python |
3e8ee54f | 2 | # |
904908bc | 3 | # Copyright 2014 Cumulus Networks, Inc. All rights reserved. |
3e8ee54f | 4 | # Author: Roopa Prabhu, roopa@cumulusnetworks.com |
5 | # | |
6 | # ifupdownMain -- | |
7 | # ifupdown main module | |
8 | # | |
a6f80f0e | 9 | |
10 | import os | |
11 | import re | |
3e8ee54f | 12 | import imp |
13 | import pprint | |
14 | import logging | |
15 | import sys, traceback | |
cb7cc592 | 16 | import copy |
2cd06f78 | 17 | import json |
55072bd1 | 18 | import ifupdown.statemanager as statemanager |
0582f185 | 19 | import ifupdown.ifupdownconfig as ifupdownConfig |
fc5e1735 | 20 | import ifupdown.ifupdownflags as ifupdownflags |
a6f80f0e | 21 | from networkinterfaces import * |
22 | from iface import * | |
23 | from scheduler import * | |
24 | from collections import deque | |
25 | from collections import OrderedDict | |
a6f80f0e | 26 | from graph import * |
b54179d2 | 27 | from exceptions import * |
3e8ee54f | 28 | from sets import Set |
a6f80f0e | 29 | |
2c0ad8b3 RP |
30 | """ |
31 | .. module:: ifupdownmain | |
32 | :synopsis: main module for ifupdown package | |
33 | ||
34 | .. moduleauthor:: Roopa Prabhu <roopa@cumulusnetworks.com> | |
35 | ||
36 | """ | |
37 | ||
86fc62e2 | 38 | _tickmark = u'\u2713' |
39 | _crossmark = u'\u2717' | |
e74d01e1 RP |
40 | _success_sym = '(%s)' %_tickmark |
41 | _error_sym = '(%s)' %_crossmark | |
86fc62e2 | 42 | |
dbc018d3 | 43 | class ifupdownMainFlags(): |
5ee3e1a8 | 44 | IFACE_CLASS = False |
6bd7fc74 | 45 | COMPAT_EXEC_SCRIPTS = False |
20dd6242 | 46 | STATEMANAGER_ENABLE = True |
47 | STATEMANAGER_UPDATE = True | |
48 | ADDONS_ENABLE = False | |
dbc018d3 RP |
49 | DELETE_DEPENDENT_IFACES_WITH_NOCONFIG = False |
50 | SCHED_SKIP_CHECK_UPPERIFACES = False | |
51 | CHECK_SHARED_DEPENDENTS = True | |
a6f80f0e | 52 | |
dbc018d3 | 53 | class ifacePrivFlags(): |
37c0543d | 54 | # priv flags to mark iface objects |
dbc018d3 RP |
55 | BUILTIN = False |
56 | NOCONFIG = False | |
57 | ||
58 | def __init__(self, builtin=False, noconfig=False): | |
59 | self.BUILTIN = builtin | |
60 | self.NOCONFIG = noconfig | |
61 | ||
62 | class ifupdownMain(ifupdownBase): | |
63 | """ ifupdown2 main class """ | |
37c0543d | 64 | |
65 | scripts_dir='/etc/network' | |
1642c64b RP |
66 | addon_modules_dir='/usr/share/ifupdown2/addons' |
67 | addon_modules_configfile='/etc/network/ifupdown2/addons.conf' | |
a6f80f0e | 68 | |
69 | # iface dictionary in the below format: | |
70 | # { '<ifacename>' : [<ifaceobject1>, <ifaceobject2> ..] } | |
71 | # eg: | |
53b00224 | 72 | # { 'swp1' : [<iface swp1>, <iface swp2> ..] } |
a6f80f0e | 73 | # |
74 | # Each ifaceobject corresponds to a configuration block for | |
75 | # that interface | |
53b00224 | 76 | # The value in the dictionary is a list because the network |
77 | # interface configuration file supports more than one iface section | |
78 | # in the interfaces file | |
a6f80f0e | 79 | ifaceobjdict = OrderedDict() |
80 | ||
a6f80f0e | 81 | # iface dictionary representing the curr running state of an iface |
82 | # in the below format: | |
83 | # {'<ifacename>' : <ifaceobject>} | |
84 | ifaceobjcurrdict = OrderedDict() | |
85 | ||
be0b20f2 | 86 | # Dictionary representing operation and modules |
87 | # for every operation | |
88 | module_ops = OrderedDict([('pre-up', []), | |
d08d5f54 | 89 | ('up' , []), |
90 | ('post-up' , []), | |
91 | ('query-checkcurr', []), | |
92 | ('query-running', []), | |
93 | ('query-dependency', []), | |
75730152 | 94 | ('query', []), |
95 | ('query-raw', []), | |
d08d5f54 | 96 | ('pre-down', []), |
97 | ('down' , []), | |
98 | ('post-down' , [])]) | |
37c0543d | 99 | |
100 | # For old style /etc/network/ bash scripts | |
be0b20f2 | 101 | script_ops = OrderedDict([('pre-up', []), |
d08d5f54 | 102 | ('up' , []), |
103 | ('post-up' , []), | |
104 | ('pre-down', []), | |
105 | ('down' , []), | |
106 | ('post-down' , [])]) | |
a6f80f0e | 107 | |
be0b20f2 | 108 | # Handlers for ops that ifupdown2 owns |
109 | def run_up(self, ifaceobj): | |
496745cd RP |
110 | # Skip link sets on ifaceobjs of type 'vlan' (used for l2 attrs). |
111 | # there is no real interface behind it | |
112 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: | |
113 | return | |
d2b35716 RP |
114 | if ((ifaceobj.link_kind & ifaceLinkKind.VRF) or |
115 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE)): | |
c8a3b44e | 116 | return |
a070c90e RP |
117 | if (ifaceobj.addr_method and |
118 | ifaceobj.addr_method == 'manual'): | |
119 | return | |
120 | if self._delay_admin_state: | |
121 | self._delay_admin_state_iface_queue.append(ifaceobj.name) | |
122 | return | |
7f045fd8 RP |
123 | # If this object is a link slave, ie its link is controlled |
124 | # by its link master interface, then dont set the link state. | |
125 | # But do allow user to change state of the link if the interface | |
126 | # is already with its link master (hence the master check). | |
7e2e64fb | 127 | if ifaceobj.link_type == ifaceLinkType.LINK_SLAVE: |
7f045fd8 | 128 | return |
a070c90e | 129 | if not self.link_exists(ifaceobj.name): |
7e2e64fb | 130 | return |
a070c90e | 131 | self.link_up(ifaceobj.name) |
be0b20f2 | 132 | |
133 | def run_down(self, ifaceobj): | |
d2b35716 RP |
134 | if ((ifaceobj.link_kind & ifaceLinkKind.VRF) or |
135 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE)): | |
9219cef3 | 136 | return |
0ba04b38 RP |
137 | # Skip link sets on ifaceobjs of type 'vlan' (used for l2 attrs) |
138 | # there is no real interface behind it | |
496745cd RP |
139 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
140 | return | |
a070c90e RP |
141 | if (ifaceobj.addr_method and |
142 | ifaceobj.addr_method == 'manual'): | |
143 | return | |
144 | if self._delay_admin_state: | |
145 | self._delay_admin_state_iface_queue.append(ifaceobj.name) | |
146 | return | |
7f045fd8 RP |
147 | # If this object is a link slave, ie its link is controlled |
148 | # by its link master interface, then dont set the link state. | |
149 | # But do allow user to change state of the link if the interface | |
150 | # is already with its link master (hence the master check). | |
7e2e64fb RP |
151 | if ifaceobj.link_type == ifaceLinkType.LINK_SLAVE: |
152 | return | |
a070c90e | 153 | if not self.link_exists(ifaceobj.name): |
7e2e64fb | 154 | return |
a070c90e | 155 | self.link_down(ifaceobj.name) |
be0b20f2 | 156 | |
31a5f4c3 | 157 | # ifupdown object interface operation handlers |
be0b20f2 | 158 | ops_handlers = OrderedDict([('up', run_up), |
159 | ('down', run_down)]) | |
a6f80f0e | 160 | |
cb7cc592 | 161 | def run_sched_ifaceobj_posthook(self, ifaceobj, op): |
dbc018d3 RP |
162 | if (ifaceobj.priv_flags and (ifaceobj.priv_flags.BUILTIN or |
163 | ifaceobj.priv_flags.NOCONFIG)): | |
5c721925 | 164 | return |
dbc018d3 | 165 | if self.flags.STATEMANAGER_UPDATE: |
cb7cc592 | 166 | self.statemanager.ifaceobj_sync(ifaceobj, op) |
31a5f4c3 | 167 | |
168 | # ifupdown object interface scheduler pre and posthooks | |
169 | sched_hooks = {'posthook' : run_sched_ifaceobj_posthook} | |
170 | ||
14dc390d | 171 | def __init__(self, config={}, |
172 | force=False, dryrun=False, nowait=False, | |
cca03c30 | 173 | perfmode=False, withdepends=False, njobs=1, |
14dc390d | 174 | cache=False, addons_enable=True, statemanager_enable=True, |
3dcc1d0e | 175 | interfacesfile='/etc/network/interfaces', |
176 | interfacesfileiobuf=None, | |
6e16e5ae N |
177 | interfacesfileformat='native', |
178 | withdefaults=False): | |
2c0ad8b3 RP |
179 | """This member function initializes the ifupdownmain object. |
180 | ||
181 | Kwargs: | |
182 | config (dict): config dict from /etc/network/ifupdown2/ifupdown2.conf | |
183 | force (bool): force interface configuration | |
184 | dryrun (bool): dryrun interface configuration | |
185 | withdepends (bool): apply interface configuration on all depends | |
186 | interfacesfile (str): interfaces file. default is /etc/network/interfaces | |
187 | interfacesfileformat (str): default is 'native'. Other choices are 'json' | |
188 | ||
189 | Raises: | |
190 | AttributeError, KeyError """ | |
191 | ||
a6f80f0e | 192 | self.logger = logging.getLogger('ifupdown') |
fc5e1735 RP |
193 | ifupdownflags.flags.FORCE = force |
194 | ifupdownflags.flags.DRYRUN = dryrun | |
6e16e5ae | 195 | ifupdownflags.flags.WITHDEFAULTS = withdefaults |
fc5e1735 RP |
196 | ifupdownflags.flags.NOWAIT = nowait |
197 | ifupdownflags.flags.PERFMODE = perfmode | |
198 | ifupdownflags.flags.CACHE = cache | |
d2b35716 | 199 | ifupdownflags.flags.WITH_DEPENDS = withdepends |
fc5e1735 | 200 | |
dbc018d3 | 201 | # Can be used to provide hints for caching |
fc5e1735 | 202 | ifupdownflags.flags.CACHE_FLAGS = 0x0 |
dbc018d3 RP |
203 | |
204 | self.flags = ifupdownMainFlags() | |
205 | ||
dbc018d3 | 206 | self.flags.STATEMANAGER_ENABLE = statemanager_enable |
14dc390d | 207 | self.interfacesfile = interfacesfile |
3dcc1d0e | 208 | self.interfacesfileiobuf = interfacesfileiobuf |
209 | self.interfacesfileformat = interfacesfileformat | |
14dc390d | 210 | self.config = config |
211 | self.logger.debug(self.config) | |
67cfaeb1 | 212 | self.blacklisted_ifaces_present = False |
a690dfae | 213 | |
2da58137 RP |
214 | self.type = ifaceType.UNKNOWN |
215 | ||
dbc018d3 RP |
216 | self.flags.DELETE_DEPENDENT_IFACES_WITH_NOCONFIG = False |
217 | self.flags.ADDONS_ENABLE = addons_enable | |
eab25b7c | 218 | |
a6f80f0e | 219 | self.ifaces = OrderedDict() |
eab25b7c | 220 | self.njobs = njobs |
a6f80f0e | 221 | self.pp = pprint.PrettyPrinter(indent=4) |
37c0543d | 222 | self.modules = OrderedDict({}) |
d08d5f54 | 223 | self.module_attrs = {} |
20dd6242 | 224 | |
37c0543d | 225 | self.load_addon_modules(self.addon_modules_dir) |
dbc018d3 | 226 | if self.flags.COMPAT_EXEC_SCRIPTS: |
e938bfec | 227 | self.load_scripts(self.scripts_dir) |
d08d5f54 | 228 | self.dependency_graph = OrderedDict({}) |
a6f80f0e | 229 | |
8e113d63 RP |
230 | self._cache_no_repeats = {} |
231 | ||
dbc018d3 | 232 | if self.flags.STATEMANAGER_ENABLE: |
20dd6242 | 233 | try: |
55072bd1 | 234 | self.statemanager = statemanager.statemanager_api |
20dd6242 | 235 | self.statemanager.read_saved_state() |
236 | except Exception, e: | |
237 | # XXX Maybe we should continue by ignoring old state | |
238 | self.logger.warning('error reading state (%s)' %str(e)) | |
239 | raise | |
240 | else: | |
dbc018d3 | 241 | self.flags.STATEMANAGER_UPDATE = False |
a070c90e RP |
242 | self._delay_admin_state = True if self.config.get( |
243 | 'delay_admin_state_change', '0') == '1' else False | |
244 | self._delay_admin_state_iface_queue = [] | |
cebe79c9 RP |
245 | if self._delay_admin_state: |
246 | self.logger.info('\'delay_admin_state_change\' is set. admin ' + | |
247 | 'state changes will be delayed till the end.') | |
248 | ||
249 | self._link_master_slave = True if self.config.get( | |
a070c90e | 250 | 'link_master_slave', '0') == '1' else False |
cebe79c9 RP |
251 | if self._link_master_slave: |
252 | self.logger.info('\'link_master_slave\' is set. slave admin ' + | |
253 | 'state changes will be delayed till the ' + | |
254 | 'masters admin state change.') | |
a6f80f0e | 255 | |
2ddd65c5 RP |
256 | # squash iface objects for same interface both internal and |
257 | # external representation. It is off by default. | |
99ce6894 RP |
258 | self._ifaceobj_squash = True if self.config.get( |
259 | 'ifaceobj_squash', '0') == '1' else False | |
260 | ||
2ddd65c5 RP |
261 | # squash iface objects for same interface internal |
262 | # representation only. External representation as seen by ifquery | |
263 | # will continue to see multiple iface stanzas if it was specified | |
264 | # that way by the user. It is on by default. | |
265 | self._ifaceobj_squash_internal = True if self.config.get( | |
266 | 'ifaceobj_squash_internal', '1') == '1' else False | |
267 | ||
0582f185 RP |
268 | # initialize global config object with config passed by the user |
269 | # This makes config available to addon modules | |
270 | ifupdownConfig.config = self.config | |
271 | ||
61c4d724 RP |
272 | def link_master_slave_ignore_error(self, errorstr): |
273 | # If link master slave flag is set, | |
274 | # there may be cases where the lowerdev may not be | |
275 | # up resulting in 'Network is down' error | |
276 | # This can happen if the lowerdev is a LINK_SLAVE | |
277 | # of another interface which is not up yet | |
278 | # example of such a case: | |
279 | # bringing up a vlan on a bond interface and the bond | |
280 | # is a LINK_SLAVE of a bridge (in other words the bond is | |
281 | # part of a bridge) which is not up yet | |
282 | if self._link_master_slave: | |
283 | if 'Network is down': | |
284 | return True | |
285 | return False | |
286 | ||
31a5f4c3 | 287 | def get_ifaceobjs(self, ifacename): |
a6f80f0e | 288 | return self.ifaceobjdict.get(ifacename) |
289 | ||
a9ab1b4f RP |
290 | def get_ifaceobjs_saved(self, ifacename): |
291 | """ Return ifaceobjects from statemanager """ | |
dbc018d3 | 292 | if self.flags.STATEMANAGER_ENABLE: |
a9ab1b4f RP |
293 | return self.statemanager.get_ifaceobjs(ifacename) |
294 | else: | |
295 | None | |
296 | ||
31a5f4c3 | 297 | def get_ifaceobj_first(self, ifacename): |
298 | ifaceobjs = self.get_ifaceobjs(ifacename) | |
299 | if ifaceobjs: | |
a6f80f0e | 300 | return ifaceobjs[0] |
301 | return None | |
302 | ||
c798b0f4 | 303 | def get_ifacenames(self): |
304 | return self.ifaceobjdict.keys() | |
305 | ||
a6f80f0e | 306 | def get_iface_obj_last(self, ifacename): |
307 | return self.ifaceobjdict.get(ifacename)[-1] | |
308 | ||
a9ab1b4f | 309 | |
8c13865c RP |
310 | def must_follow_upperifaces(self, ifacename): |
311 | # | |
312 | # XXX: This bleeds the knowledge of iface | |
313 | # types in the infrastructure module. | |
314 | # Cant think of a better fix at the moment. | |
315 | # In future maybe the module can set a flag | |
316 | # to indicate if we should follow upperifaces | |
317 | # | |
318 | ifaceobj = self.get_ifaceobj_first(ifacename) | |
cb46a208 | 319 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
8c13865c RP |
320 | return False |
321 | return True | |
322 | ||
53b00224 | 323 | def create_n_save_ifaceobj(self, ifacename, priv_flags=None, |
324 | increfcnt=False): | |
325 | """ creates a iface object and adds it to the iface dictionary """ | |
326 | ifaceobj = iface() | |
327 | ifaceobj.name = ifacename | |
328 | ifaceobj.priv_flags = priv_flags | |
329 | ifaceobj.auto = True | |
f3b69969 RP |
330 | if not self._link_master_slave: |
331 | ifaceobj.link_type = ifaceLinkType.LINK_NA | |
53b00224 | 332 | if increfcnt: |
333 | ifaceobj.inc_refcnt() | |
334 | self.ifaceobjdict[ifacename] = [ifaceobj] | |
335 | return ifaceobj | |
336 | ||
d08d5f54 | 337 | def create_n_save_ifaceobjcurr(self, ifaceobj): |
923290bd | 338 | """ creates a copy of iface object and adds it to the iface |
339 | dict containing current iface objects | |
53b00224 | 340 | """ |
739f665b | 341 | ifaceobjcurr = iface() |
53b00224 | 342 | ifaceobjcurr.name = ifaceobj.name |
cb46a208 | 343 | ifaceobjcurr.type = ifaceobj.type |
62ddec8b | 344 | ifaceobjcurr.lowerifaces = ifaceobj.lowerifaces |
dbc018d3 | 345 | ifaceobjcurr.priv_flags = copy.deepcopy(ifaceobj.priv_flags) |
2cd06f78 | 346 | ifaceobjcurr.auto = ifaceobj.auto |
923290bd | 347 | self.ifaceobjcurrdict.setdefault(ifaceobj.name, |
348 | []).append(ifaceobjcurr) | |
d08d5f54 | 349 | return ifaceobjcurr |
a6f80f0e | 350 | |
923290bd | 351 | def get_ifaceobjcurr(self, ifacename, idx=0): |
352 | ifaceobjlist = self.ifaceobjcurrdict.get(ifacename) | |
353 | if not ifaceobjlist: | |
354 | return None | |
355 | if not idx: | |
356 | return ifaceobjlist | |
357 | else: | |
358 | return ifaceobjlist[idx] | |
a6f80f0e | 359 | |
739f665b | 360 | def get_ifaceobjrunning(self, ifacename): |
361 | return self.ifaceobjrunningdict.get(ifacename) | |
362 | ||
a6f80f0e | 363 | def get_iface_refcnt(self, ifacename): |
53b00224 | 364 | """ Return iface ref count """ |
a6f80f0e | 365 | max = 0 |
31a5f4c3 | 366 | ifaceobjs = self.get_ifaceobjs(ifacename) |
20dd6242 | 367 | if not ifaceobjs: |
368 | return 0 | |
a6f80f0e | 369 | for i in ifaceobjs: |
62ddec8b | 370 | if i.refcnt > max: |
371 | max = i.refcnt | |
a6f80f0e | 372 | return max |
373 | ||
d08d5f54 | 374 | def is_iface_builtin_byname(self, ifacename): |
cca03c30 | 375 | """ Returns true if iface name is a builtin interface. |
a6f80f0e | 376 | |
cca03c30 | 377 | A builtin interface is an interface which ifupdown understands. |
378 | The following are currently considered builtin ifaces: | |
379 | - vlan interfaces in the format <ifacename>.<vlanid> | |
a6f80f0e | 380 | """ |
d08d5f54 | 381 | return '.' in ifacename |
a6f80f0e | 382 | |
37c0543d | 383 | def is_ifaceobj_builtin(self, ifaceobj): |
384 | """ Returns true if iface name is a builtin interface. | |
385 | ||
386 | A builtin interface is an interface which ifupdown understands. | |
387 | The following are currently considered builtin ifaces: | |
388 | - vlan interfaces in the format <ifacename>.<vlanid> | |
389 | """ | |
7ef04d1b RP |
390 | if (ifaceobj.priv_flags and ifaceobj.priv_flags.BUILTIN): |
391 | return True | |
392 | return False | |
37c0543d | 393 | |
394 | def is_ifaceobj_noconfig(self, ifaceobj): | |
53b00224 | 395 | """ Returns true if iface object did not have a user defined config. |
37c0543d | 396 | |
397 | These interfaces appear only when they are dependents of interfaces | |
398 | which have user defined config | |
399 | """ | |
dbc018d3 | 400 | return (ifaceobj.priv_flags and ifaceobj.priv_flags.NOCONFIG) |
37c0543d | 401 | |
d08d5f54 | 402 | def is_iface_noconfig(self, ifacename): |
403 | """ Returns true if iface has no config """ | |
37c0543d | 404 | |
31a5f4c3 | 405 | ifaceobj = self.get_ifaceobj_first(ifacename) |
d08d5f54 | 406 | if not ifaceobj: return True |
d08d5f54 | 407 | return self.is_ifaceobj_noconfig(ifaceobj) |
408 | ||
45ca0b6d | 409 | def check_shared_dependents(self, ifaceobj, dlist): |
858a230f | 410 | """ ABSOLETE: Check if dlist intersects with any other |
45ca0b6d RP |
411 | interface with slave dependents. |
412 | example: bond and bridges. | |
413 | This function logs such errors """ | |
414 | setdlist = Set(dlist) | |
415 | for ifacename, ifacedlist in self.dependency_graph.items(): | |
416 | if not ifacedlist: | |
417 | continue | |
418 | check_depends = False | |
419 | iobjs = self.get_ifaceobjs(ifacename) | |
dbc018d3 RP |
420 | if not iobjs: |
421 | continue | |
45ca0b6d RP |
422 | for i in iobjs: |
423 | if (i.dependency_type == ifaceDependencyType.MASTER_SLAVE): | |
424 | check_depends = True | |
425 | if check_depends: | |
426 | common = Set(ifacedlist).intersection(setdlist) | |
427 | if common: | |
1cda1e43 | 428 | self.logger.error('misconfig..?. iface %s and %s ' |
45ca0b6d | 429 | %(ifaceobj.name, ifacename) + |
1cda1e43 | 430 | 'seem to share dependents/ports %s' %str(list(common))) |
45ca0b6d | 431 | |
f7551dcb | 432 | def _set_iface_role(self, ifaceobj, role, upperifaceobj): |
858a230f | 433 | if (self.flags.CHECK_SHARED_DEPENDENTS and |
f7551dcb RP |
434 | (ifaceobj.role & ifaceRole.SLAVE) and |
435 | (role == ifaceRole.SLAVE) and (upperifaceobj.role == ifaceRole.MASTER)): | |
858a230f RP |
436 | self.logger.error("misconfig..? %s %s is enslaved to multiple interfaces %s" |
437 | %(ifaceobj.name, | |
438 | ifaceLinkPrivFlags.get_all_str(ifaceobj.link_privflags), str(ifaceobj.upperifaces))) | |
439 | ifaceobj.set_status(ifaceStatus.ERROR) | |
440 | return | |
441 | ifaceobj.role = role | |
442 | ||
65e0c276 | 443 | def _set_iface_role_n_kind(self, ifaceobj, upperifaceobj): |
858a230f | 444 | |
65e0c276 | 445 | if (upperifaceobj.link_kind & ifaceLinkKind.BOND): |
f7551dcb | 446 | self._set_iface_role(ifaceobj, ifaceRole.SLAVE, upperifaceobj) |
858a230f RP |
447 | ifaceobj.link_privflags |= ifaceLinkPrivFlags.BOND_SLAVE |
448 | ||
65e0c276 | 449 | if (upperifaceobj.link_kind & ifaceLinkKind.BRIDGE): |
f7551dcb | 450 | self._set_iface_role(ifaceobj, ifaceRole.SLAVE, upperifaceobj) |
858a230f RP |
451 | ifaceobj.link_privflags |= ifaceLinkPrivFlags.BRIDGE_PORT |
452 | ||
ea9e3c0f JF |
453 | if (ifaceobj.link_kind & ifaceLinkKind.VXLAN) \ |
454 | and (upperifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
455 | upperifaceobj.link_privflags |= ifaceLinkPrivFlags.BRIDGE_VXLAN | |
456 | ||
858a230f RP |
457 | # vrf masters get processed after slaves, which means |
458 | # check both link_kind vrf and vrf slave | |
459 | if ((upperifaceobj.link_kind & ifaceLinkKind.VRF) or | |
460 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE)): | |
f7551dcb | 461 | self._set_iface_role(ifaceobj, ifaceRole.SLAVE, upperifaceobj) |
858a230f | 462 | ifaceobj.link_privflags |= ifaceLinkPrivFlags.VRF_SLAVE |
768b4ec5 RP |
463 | if self._link_master_slave: |
464 | if upperifaceobj.link_type == ifaceLinkType.LINK_MASTER: | |
465 | ifaceobj.link_type = ifaceLinkType.LINK_SLAVE | |
466 | else: | |
467 | upperifaceobj.link_type = ifaceLinkType.LINK_NA | |
468 | ifaceobj.link_type = ifaceLinkType.LINK_NA | |
65e0c276 | 469 | |
ccbeedcd RP |
470 | def dump_iface_dependency_info(self): |
471 | """ debug funtion to print raw dependency | |
472 | info - lower and upper devices""" | |
473 | ||
474 | for ifacename, ifaceobjs in self.ifaceobjdict.iteritems(): | |
475 | iobj = ifaceobjs[0] | |
476 | self.logger.info("%s: refcnt: %d, lower: %s, upper: %s" %(ifacename, | |
477 | self.get_iface_refcnt(ifacename), | |
478 | str(iobj.lowerifaces) if iobj.lowerifaces else [], | |
479 | str(iobj.upperifaces) if iobj.upperifaces else [])) | |
480 | ||
481 | ||
7f045fd8 | 482 | def preprocess_dependency_list(self, upperifaceobj, dlist, ops): |
739f665b | 483 | """ We go through the dependency list and |
484 | delete or add interfaces from the interfaces dict by | |
485 | applying the following rules: | |
dbc018d3 | 486 | if flag DELETE_DEPENDENT_IFACES_WITH_NOCONFIG is True: |
739f665b | 487 | we only consider devices whose configuration was |
488 | specified in the network interfaces file. We delete | |
489 | any interface whose config was not specified except | |
490 | for vlan devices. vlan devices get special treatment. | |
491 | Even if they are not present they are created and added | |
492 | to the ifacesdict | |
dbc018d3 | 493 | elif flag DELETE_DEPENDENT_IFACES_WITH_NOCONFIG is False: |
739f665b | 494 | we create objects for all dependent devices that are not |
495 | present in the ifacesdict | |
496 | """ | |
a6f80f0e | 497 | del_list = [] |
498 | ||
a6f80f0e | 499 | for d in dlist: |
31a5f4c3 | 500 | dilist = self.get_ifaceobjs(d) |
d08d5f54 | 501 | if not dilist: |
7f045fd8 | 502 | ni = None |
d08d5f54 | 503 | if self.is_iface_builtin_byname(d): |
a070c90e | 504 | ni = self.create_n_save_ifaceobj(d, |
dbc018d3 RP |
505 | ifacePrivFlags(True, True), True) |
506 | elif not self.flags.DELETE_DEPENDENT_IFACES_WITH_NOCONFIG: | |
507 | ni = self.create_n_save_ifaceobj(d, | |
508 | ifacePrivFlags(False, True), True) | |
a6f80f0e | 509 | else: |
a6f80f0e | 510 | del_list.append(d) |
7f045fd8 RP |
511 | if ni: |
512 | ni.add_to_upperifaces(upperifaceobj.name) | |
21289e4a | 513 | self._set_iface_role_n_kind(ni, upperifaceobj) |
a6f80f0e | 514 | else: |
515 | for di in dilist: | |
516 | di.inc_refcnt() | |
7f045fd8 | 517 | di.add_to_upperifaces(upperifaceobj.name) |
21289e4a | 518 | self._set_iface_role_n_kind(di, upperifaceobj) |
a6f80f0e | 519 | for d in del_list: |
520 | dlist.remove(d) | |
521 | ||
4cc2df04 | 522 | def preprocess_upperiface(self, lowerifaceobj, ulist, ops): |
ccbeedcd RP |
523 | for u in ulist: |
524 | if (lowerifaceobj.upperifaces and | |
525 | u in lowerifaceobj.upperifaces): | |
526 | continue | |
527 | lowerifaceobj.add_to_upperifaces(u) | |
528 | uifacelist = self.get_ifaceobjs(u) | |
529 | if uifacelist: | |
530 | for ui in uifacelist: | |
531 | lowerifaceobj.inc_refcnt() | |
532 | self._set_iface_role_n_kind(lowerifaceobj, ui) | |
533 | ui.add_to_lowerifaces(lowerifaceobj.name) | |
4cc2df04 RP |
534 | |
535 | def query_lowerifaces(self, ifaceobj, ops, ifacenames, type=None): | |
a6f80f0e | 536 | """ Gets iface dependents by calling into respective modules """ |
41febf89 | 537 | ret_dlist = [] |
a6f80f0e | 538 | |
20dd6242 | 539 | # Get dependents for interface by querying respective modules |
ee3fcf44 | 540 | for module in self.modules.values(): |
7949b8a5 | 541 | try: |
542 | if ops[0] == 'query-running': | |
543 | if (not hasattr(module, | |
544 | 'get_dependent_ifacenames_running')): | |
545 | continue | |
546 | dlist = module.get_dependent_ifacenames_running(ifaceobj) | |
547 | else: | |
548 | if (not hasattr(module, 'get_dependent_ifacenames')): | |
549 | continue | |
550 | dlist = module.get_dependent_ifacenames(ifaceobj, | |
ee3fcf44 | 551 | ifacenames) |
7949b8a5 | 552 | except Exception, e: |
553 | self.logger.warn('%s: error getting dependent interfaces (%s)' | |
554 | %(ifaceobj.name, str(e))) | |
555 | dlist = None | |
556 | pass | |
41febf89 | 557 | if dlist: ret_dlist.extend(dlist) |
84ca006f | 558 | return list(set(ret_dlist)) |
20dd6242 | 559 | |
4cc2df04 RP |
560 | def query_upperifaces(self, ifaceobj, ops, ifacenames, type=None): |
561 | """ Gets iface upperifaces by calling into respective modules """ | |
562 | ret_ulist = [] | |
563 | ||
564 | # Get upperifaces for interface by querying respective modules | |
565 | for module in self.modules.values(): | |
566 | try: | |
567 | if ops[0] == 'query-running': | |
568 | if (not hasattr(module, | |
569 | 'get_upper_ifacenames_running')): | |
570 | continue | |
571 | ulist = module.get_upper_ifacenames_running(ifaceobj) | |
572 | else: | |
573 | if (not hasattr(module, 'get_upper_ifacenames')): | |
574 | continue | |
575 | ulist = module.get_upper_ifacenames(ifaceobj, ifacenames) | |
576 | except Exception, e: | |
577 | self.logger.warn('%s: error getting upper interfaces (%s)' | |
578 | %(ifaceobj.name, str(e))) | |
579 | ulist = None | |
580 | pass | |
581 | if ulist: ret_ulist.extend(ulist) | |
582 | return list(set(ret_ulist)) | |
45ca0b6d | 583 | |
e1601369 RP |
584 | def populate_dependency_info(self, ops, ifacenames=None): |
585 | """ recursive function to generate iface dependency info """ | |
586 | ||
587 | if not ifacenames: | |
588 | ifacenames = self.ifaceobjdict.keys() | |
589 | ||
590 | iqueue = deque(ifacenames) | |
591 | while iqueue: | |
592 | i = iqueue.popleft() | |
593 | # Go through all modules and find dependent ifaces | |
594 | dlist = None | |
4cc2df04 | 595 | ulist = None |
2d8b307b RP |
596 | ifaceobjs = self.get_ifaceobjs(i) |
597 | if not ifaceobjs: | |
e1601369 | 598 | continue |
4cc2df04 | 599 | dependents_processed = False |
2d8b307b RP |
600 | |
601 | # Store all dependency info in the first ifaceobj | |
602 | # but get dependency info from all ifaceobjs | |
603 | ifaceobj = ifaceobjs[0] | |
604 | for iobj in ifaceobjs: | |
4cc2df04 | 605 | ulist = self.query_upperifaces(iobj, ops, ifacenames) |
2d8b307b | 606 | if iobj.lowerifaces: |
4cc2df04 | 607 | dependents_processed = True |
2d8b307b | 608 | break |
4cc2df04 | 609 | dlist = self.query_lowerifaces(iobj, ops, ifacenames) |
2d8b307b RP |
610 | if dlist: |
611 | break | |
4cc2df04 RP |
612 | if ulist: |
613 | self.preprocess_upperiface(ifaceobj, ulist, ops) | |
4cc2df04 | 614 | if dependents_processed: |
e1601369 RP |
615 | continue |
616 | if dlist: | |
7f045fd8 | 617 | self.preprocess_dependency_list(ifaceobj, |
e1601369 RP |
618 | dlist, ops) |
619 | ifaceobj.lowerifaces = dlist | |
620 | [iqueue.append(d) for d in dlist] | |
4cc2df04 RP |
621 | #if not self.dependency_graph.get(i): |
622 | # self.dependency_graph[i] = dlist | |
623 | ||
624 | for i in self.ifaceobjdict.keys(): | |
625 | iobj = self.get_ifaceobj_first(i) | |
626 | if iobj.lowerifaces: | |
627 | self.dependency_graph[i] = iobj.lowerifaces | |
628 | else: | |
629 | self.dependency_graph[i] = [] | |
e1601369 | 630 | |
67cfaeb1 RP |
631 | if not self.blacklisted_ifaces_present: |
632 | return | |
633 | ||
634 | # Walk through the dependency graph and remove blacklisted | |
635 | # interfaces that were picked up as dependents | |
636 | for i in self.dependency_graph.keys(): | |
637 | ifaceobj = self.get_ifaceobj_first(i) | |
638 | if not ifaceobj: | |
639 | continue | |
858a230f | 640 | |
67cfaeb1 RP |
641 | if ifaceobj.blacklisted and not ifaceobj.upperifaces: |
642 | # if blacklisted and was not picked up as a | |
643 | # dependent of a upper interface, delete the | |
644 | # interface from the dependency graph | |
645 | dlist = ifaceobj.lowerifaces | |
646 | if dlist: | |
647 | for d in dlist: | |
397214a5 RP |
648 | difaceobjs = self.get_ifaceobjs(d) |
649 | if not difaceobjs: | |
67cfaeb1 | 650 | continue |
67cfaeb1 | 651 | try: |
397214a5 RP |
652 | for d in difaceobjs: |
653 | d.dec_refcnt() | |
654 | d.upperifaces.remove(i) | |
67cfaeb1 RP |
655 | except: |
656 | self.logger.debug('error removing %s from %s upperifaces' %(i, d)) | |
657 | pass | |
658 | self.logger.debug("populate_dependency_info: deleting blacklisted interface %s" %i) | |
659 | del self.dependency_graph[i] | |
858a230f | 660 | continue |
67cfaeb1 | 661 | |
8e113d63 RP |
662 | def _check_config_no_repeats(self, ifaceobj): |
663 | """ check if object has an attribute that is | |
664 | restricted to a single object in the system. | |
665 | if yes, warn and return """ | |
666 | for k,v in self._cache_no_repeats.items(): | |
667 | iv = ifaceobj.config.get(k) | |
668 | if iv and iv[0] == v: | |
669 | self.logger.error('ignoring interface %s. ' %ifaceobj.name + | |
670 | 'Only one object with attribute ' + | |
671 | '\'%s %s\' allowed.' %(k, v)) | |
672 | return True | |
673 | for k, v in self.config.get('no_repeats', {}).items(): | |
674 | iv = ifaceobj.config.get(k) | |
675 | if iv and iv[0] == v: | |
676 | self._cache_no_repeats[k] = v | |
677 | return False | |
a6f80f0e | 678 | |
2ddd65c5 RP |
679 | def _save_iface_squash(self, ifaceobj): |
680 | """ squash ifaceobjects belonging to same iface | |
681 | into a single object """ | |
682 | if self._check_config_no_repeats(ifaceobj): | |
683 | return | |
684 | ifaceobj.priv_flags = ifacePrivFlags() | |
685 | if not self._link_master_slave: | |
686 | ifaceobj.link_type = ifaceLinkType.LINK_NA | |
687 | currentifaceobjlist = self.ifaceobjdict.get(ifaceobj.name) | |
688 | if not currentifaceobjlist: | |
689 | self.ifaceobjdict[ifaceobj.name] = [ifaceobj] | |
690 | return | |
691 | if ifaceobj.compare(currentifaceobjlist[0]): | |
692 | self.logger.warn('duplicate interface %s found' %ifaceobj.name) | |
693 | return | |
afb367d9 RP |
694 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
695 | self.ifaceobjdict[ifaceobj.name].append(ifaceobj) | |
696 | else: | |
697 | currentifaceobjlist[0].squash(ifaceobj) | |
2ddd65c5 | 698 | |
41febf89 | 699 | def _save_iface(self, ifaceobj): |
8e113d63 RP |
700 | if self._check_config_no_repeats(ifaceobj): |
701 | return | |
dbc018d3 | 702 | ifaceobj.priv_flags = ifacePrivFlags() |
7e2e64fb RP |
703 | if not self._link_master_slave: |
704 | ifaceobj.link_type = ifaceLinkType.LINK_NA | |
679e6567 RP |
705 | currentifaceobjlist = self.ifaceobjdict.get(ifaceobj.name) |
706 | if not currentifaceobjlist: | |
99ce6894 RP |
707 | self.ifaceobjdict[ifaceobj.name]= [ifaceobj] |
708 | if not self._ifaceobj_squash: | |
709 | ifaceobj.flags |= ifaceobj.YOUNGEST_SIBLING | |
710 | return | |
679e6567 RP |
711 | if ifaceobj.compare(currentifaceobjlist[0]): |
712 | self.logger.warn('duplicate interface %s found' %ifaceobj.name) | |
713 | return | |
8e113d63 | 714 | if currentifaceobjlist[0].type == ifaceobj.type: |
7444feea ST |
715 | currentifaceobjlist[0].flags |= ifaceobj.HAS_SIBLINGS |
716 | ifaceobj.flags |= ifaceobj.HAS_SIBLINGS | |
717 | # clear the OLDEST_SIBLING from all the siblings | |
718 | for iface in self.ifaceobjdict[ifaceobj.name]: | |
719 | iface.flags &= ~ifaceobj.OLDEST_SIBLING | |
720 | # current sibling is the oldest | |
721 | ifaceobj.flags |= ifaceobj.OLDEST_SIBLING | |
679e6567 | 722 | self.ifaceobjdict[ifaceobj.name].append(ifaceobj) |
41febf89 | 723 | |
eb377c6c JF |
724 | def _module_syntax_check(self, filtered_ifacenames): |
725 | for ifacename in filtered_ifacenames: | |
726 | for module in self.modules.values(): | |
727 | try: | |
728 | if hasattr(module, 'syntax_check') \ | |
729 | and callable(module.syntax_check): | |
730 | module.syntax_check(self.get_ifaceobjs(ifacename)) | |
731 | except Exception, e: | |
732 | pass #self.logger.warn('%s: %s' % (ifacename, str(e))) | |
733 | ||
3dcc1d0e | 734 | def _iface_configattr_syntax_checker(self, attrname, attrval): |
d08d5f54 | 735 | for m, mdict in self.module_attrs.items(): |
7949b8a5 | 736 | if not mdict: |
737 | continue | |
d08d5f54 | 738 | attrsdict = mdict.get('attrs') |
7949b8a5 | 739 | try: |
1553a881 RP |
740 | a = attrsdict.get(attrname) |
741 | if a: | |
742 | if a.get('deprecated'): | |
743 | newa = a.get('new-attribute') | |
744 | if newa: | |
f57b9804 | 745 | self.logger.warn('attribute %s is deprecated. use %s instead.' %(attrname, newa)) |
1553a881 | 746 | else: |
f57b9804 | 747 | self.logger.warn('attribute %s is deprecated.' |
1553a881 | 748 | %attrname) |
7949b8a5 | 749 | return True |
750 | except AttributeError: | |
751 | pass | |
d08d5f54 | 752 | return False |
753 | ||
3dcc1d0e | 754 | def _ifaceobj_syntax_checker(self, ifaceobj): |
cfa06db6 | 755 | ret = True |
8e113d63 | 756 | for attrname, attrvalue in ifaceobj.config.items(): |
3dcc1d0e | 757 | found = False |
758 | for k, v in self.module_attrs.items(): | |
759 | if v and v.get('attrs', {}).get(attrname): | |
760 | found = True | |
761 | break | |
762 | if not found: | |
cfa06db6 | 763 | ret = False |
fa714fa2 ST |
764 | self.logger.warn('%s: unsupported attribute \'%s\'' \ |
765 | % (ifaceobj.name, attrname)) | |
3dcc1d0e | 766 | continue |
cfa06db6 | 767 | return ret |
3dcc1d0e | 768 | |
14dc390d | 769 | def read_iface_config(self): |
a6f80f0e | 770 | """ Reads default network interface config /etc/network/interfaces. """ |
cfa06db6 | 771 | ret = True |
14dc390d | 772 | nifaces = networkInterfaces(self.interfacesfile, |
3dcc1d0e | 773 | self.interfacesfileiobuf, |
774 | self.interfacesfileformat, | |
f27710fe | 775 | template_enable=self.config.get('template_enable', 0), |
14dc390d | 776 | template_engine=self.config.get('template_engine'), |
777 | template_lookuppath=self.config.get('template_lookuppath')) | |
2ddd65c5 RP |
778 | if self._ifaceobj_squash or self._ifaceobj_squash_internal: |
779 | nifaces.subscribe('iface_found', self._save_iface_squash) | |
780 | else: | |
781 | nifaces.subscribe('iface_found', self._save_iface) | |
3dcc1d0e | 782 | nifaces.subscribe('validateifaceattr', |
783 | self._iface_configattr_syntax_checker) | |
784 | nifaces.subscribe('validateifaceobj', self._ifaceobj_syntax_checker) | |
a6f80f0e | 785 | nifaces.load() |
cfa06db6 RP |
786 | if nifaces.errors or nifaces.warns: |
787 | ret = False | |
788 | return ret | |
a6f80f0e | 789 | |
a6f80f0e | 790 | def read_old_iface_config(self): |
14dc390d | 791 | """ Reads the saved iface config instead of default iface config. |
792 | And saved iface config is already read by the statemanager """ | |
cb7cc592 | 793 | self.ifaceobjdict = copy.deepcopy(self.statemanager.ifaceobjdict) |
a6f80f0e | 794 | |
53b00224 | 795 | def _load_addon_modules_config(self): |
796 | """ Load addon modules config file """ | |
a6f80f0e | 797 | |
37c0543d | 798 | with open(self.addon_modules_configfile, 'r') as f: |
799 | lines = f.readlines() | |
800 | for l in lines: | |
7bbc9340 RP |
801 | try: |
802 | litems = l.strip(' \n\t\r').split(',') | |
803 | if not litems or len(litems) < 2: | |
804 | continue | |
805 | operation = litems[0] | |
806 | mname = litems[1] | |
807 | self.module_ops[operation].append(mname) | |
808 | except Exception, e: | |
55d9fae1 | 809 | self.logger.warn('error reading line \'%s\' %s:' %(l, str(e))) |
7bbc9340 | 810 | continue |
37c0543d | 811 | |
812 | def load_addon_modules(self, modules_dir): | |
a6f80f0e | 813 | """ load python modules from modules_dir |
814 | ||
815 | Default modules_dir is /usr/share/ifupdownmodules | |
816 | ||
817 | """ | |
a6f80f0e | 818 | self.logger.info('loading builtin modules from %s' %modules_dir) |
53b00224 | 819 | self._load_addon_modules_config() |
a6f80f0e | 820 | if not modules_dir in sys.path: |
37c0543d | 821 | sys.path.append(modules_dir) |
a6f80f0e | 822 | try: |
be0b20f2 | 823 | for op, mlist in self.module_ops.items(): |
d08d5f54 | 824 | for mname in mlist: |
53b00224 | 825 | if self.modules.get(mname): |
d08d5f54 | 826 | continue |
827 | mpath = modules_dir + '/' + mname + '.py' | |
828 | if os.path.exists(mpath): | |
829 | try: | |
830 | m = __import__(mname) | |
831 | mclass = getattr(m, mname) | |
832 | except: | |
833 | raise | |
b54179d2 RP |
834 | try: |
835 | minstance = mclass() | |
836 | except moduleNotSupported, e: | |
837 | self.logger.info('module %s not loaded (%s)\n' | |
838 | %(mname, str(e))) | |
839 | pass | |
840 | continue | |
841 | except: | |
842 | raise | |
d08d5f54 | 843 | self.modules[mname] = minstance |
53b00224 | 844 | try: |
d08d5f54 | 845 | self.module_attrs[mname] = minstance.get_modinfo() |
53b00224 | 846 | except: |
847 | pass | |
a6f80f0e | 848 | except: |
849 | raise | |
850 | ||
37c0543d | 851 | # Assign all modules to query operations |
be0b20f2 | 852 | self.module_ops['query-checkcurr'] = self.modules.keys() |
853 | self.module_ops['query-running'] = self.modules.keys() | |
854 | self.module_ops['query-dependency'] = self.modules.keys() | |
855 | self.module_ops['query'] = self.modules.keys() | |
856 | self.module_ops['query-raw'] = self.modules.keys() | |
d08d5f54 | 857 | |
14dc390d | 858 | |
53b00224 | 859 | def _modules_help(self): |
860 | """ Prints addon modules supported syntax """ | |
861 | ||
d08d5f54 | 862 | indent = ' ' |
863 | for m, mdict in self.module_attrs.items(): | |
864 | if not mdict: | |
865 | continue | |
866 | print('%s: %s' %(m, mdict.get('mhelp'))) | |
867 | attrdict = mdict.get('attrs') | |
868 | if not attrdict: | |
869 | continue | |
870 | try: | |
871 | for attrname, attrvaldict in attrdict.items(): | |
872 | if attrvaldict.get('compat', False): | |
873 | continue | |
874 | print('%s%s' %(indent, attrname)) | |
875 | print('%shelp: %s' %(indent + ' ', | |
876 | attrvaldict.get('help', ''))) | |
877 | print ('%srequired: %s' %(indent + ' ', | |
878 | attrvaldict.get('required', False))) | |
879 | default = attrvaldict.get('default') | |
880 | if default: | |
881 | print('%sdefault: %s' %(indent + ' ', default)) | |
882 | ||
883 | validrange = attrvaldict.get('validrange') | |
884 | if validrange: | |
1b0b81a2 | 885 | print('%svalidrange: %s-%s' |
7949b8a5 | 886 | %(indent + ' ', validrange[0], validrange[1])) |
d08d5f54 | 887 | |
888 | validvals = attrvaldict.get('validvals') | |
889 | if validvals: | |
890 | print('%svalidvals: %s' | |
891 | %(indent + ' ', ','.join(validvals))) | |
892 | ||
893 | examples = attrvaldict.get('example') | |
894 | if not examples: | |
895 | continue | |
a6f80f0e | 896 | |
d08d5f54 | 897 | print '%sexample:' %(indent + ' ') |
898 | for e in examples: | |
899 | print '%s%s' %(indent + ' ', e) | |
900 | except: | |
901 | pass | |
902 | print '' | |
903 | ||
37c0543d | 904 | def load_scripts(self, modules_dir): |
a6f80f0e | 905 | """ loading user modules from /etc/network/. |
906 | ||
907 | Note that previously loaded python modules override modules found | |
908 | under /etc/network if any | |
909 | ||
910 | """ | |
911 | ||
37c0543d | 912 | self.logger.info('looking for user scripts under %s' %modules_dir) |
be0b20f2 | 913 | for op, mlist in self.script_ops.items(): |
d08d5f54 | 914 | msubdir = modules_dir + '/if-%s.d' %op |
915 | self.logger.info('loading scripts under %s ...' %msubdir) | |
916 | try: | |
917 | module_list = os.listdir(msubdir) | |
918 | for module in module_list: | |
919 | if self.modules.get(module) is not None: | |
920 | continue | |
be0b20f2 | 921 | self.script_ops[op].append( |
a6f80f0e | 922 | msubdir + '/' + module) |
d08d5f54 | 923 | except: |
f802fe3c | 924 | # continue reading |
925 | pass | |
a6f80f0e | 926 | |
6e16e5ae N |
927 | def _sched_ifaces(self, ifacenames, ops, skipupperifaces=False, |
928 | followdependents=True, sort=False): | |
c798b0f4 | 929 | self.logger.debug('scheduling \'%s\' for %s' |
d08d5f54 | 930 | %(str(ops), str(ifacenames))) |
7538dc77 | 931 | self._pretty_print_ordered_dict('dependency graph', |
932 | self.dependency_graph) | |
6e16e5ae | 933 | ifaceScheduler.sched_ifaces(self, ifacenames, ops, |
c798b0f4 | 934 | dependency_graph=self.dependency_graph, |
d08d5f54 | 935 | order=ifaceSchedulerFlags.INORDER |
936 | if 'down' in ops[0] | |
c798b0f4 | 937 | else ifaceSchedulerFlags.POSTORDER, |
a4912b99 | 938 | followdependents=followdependents, |
e308cb82 | 939 | skipupperifaces=skipupperifaces, |
dbc018d3 | 940 | sort=True if (sort or self.flags.IFACE_CLASS) else False) |
2009513f | 941 | return ifaceScheduler.get_sched_status() |
a6f80f0e | 942 | |
41febf89 RP |
943 | def _render_ifacename(self, ifacename): |
944 | new_ifacenames = [] | |
679e6567 | 945 | vlan_match = re.match("^([\d]+)-([\d]+)", ifacename) |
41febf89 RP |
946 | if vlan_match: |
947 | vlan_groups = vlan_match.groups() | |
948 | if vlan_groups[0] and vlan_groups[1]: | |
679e6567 | 949 | [new_ifacenames.append('%d' %v) |
41febf89 RP |
950 | for v in range(int(vlan_groups[0]), |
951 | int(vlan_groups[1])+1)] | |
952 | return new_ifacenames | |
953 | ||
954 | def _preprocess_ifacenames(self, ifacenames): | |
a6f80f0e | 955 | """ validates interface list for config existance. |
956 | ||
957 | returns -1 if one or more interface not found. else, returns 0 | |
958 | ||
959 | """ | |
41febf89 | 960 | new_ifacenames = [] |
a6f80f0e | 961 | err_iface = '' |
962 | for i in ifacenames: | |
31a5f4c3 | 963 | ifaceobjs = self.get_ifaceobjs(i) |
964 | if not ifaceobjs: | |
41febf89 | 965 | # if name not available, render interface name and check again |
679e6567 | 966 | rendered_ifacenames = utils.expand_iface_range(i) |
41febf89 RP |
967 | if rendered_ifacenames: |
968 | for ri in rendered_ifacenames: | |
969 | ifaceobjs = self.get_ifaceobjs(ri) | |
970 | if not ifaceobjs: | |
971 | err_iface += ' ' + ri | |
972 | else: | |
973 | new_ifacenames.append(ri) | |
974 | else: | |
975 | err_iface += ' ' + i | |
976 | else: | |
977 | new_ifacenames.append(i) | |
fe0a57d3 | 978 | if err_iface: |
31c58787 | 979 | raise Exception('cannot find interfaces:%s' %err_iface) |
41febf89 | 980 | return new_ifacenames |
a6f80f0e | 981 | |
53b00224 | 982 | def _iface_whitelisted(self, auto, allow_classes, excludepats, ifacename): |
a6f80f0e | 983 | """ Checks if interface is whitelisted depending on set of parameters. |
984 | ||
a6f80f0e | 985 | interfaces are checked against the allow_classes and auto lists. |
986 | ||
987 | """ | |
1042b709 | 988 | |
0532f0a3 RP |
989 | ret = True |
990 | ||
19e2bf8c | 991 | # Check if interface matches the exclude patter |
fe0a57d3 | 992 | if excludepats: |
3e8ee54f | 993 | for e in excludepats: |
d08d5f54 | 994 | if re.search(e, ifacename): |
0532f0a3 | 995 | ret = False |
31a5f4c3 | 996 | ifaceobjs = self.get_ifaceobjs(ifacename) |
997 | if not ifaceobjs: | |
0532f0a3 RP |
998 | if ret: |
999 | self.logger.debug('iface %s' %ifacename + ' not found') | |
1000 | return ret | |
67cfaeb1 | 1001 | # If matched exclude pattern, return false |
0532f0a3 RP |
1002 | if not ret: |
1003 | for i in ifaceobjs: | |
1004 | i.blacklisted = True | |
67cfaeb1 | 1005 | self.blacklisted_ifaces_present = True |
0532f0a3 RP |
1006 | return ret |
1007 | # Check if interface belongs to the class | |
67cfaeb1 | 1008 | # the user is interested in, if not return false |
fe0a57d3 | 1009 | if allow_classes: |
19e2bf8c | 1010 | ret = False |
a6f80f0e | 1011 | for i in ifaceobjs: |
62ddec8b | 1012 | if i.classes: |
3e8ee54f | 1013 | common = Set([allow_classes]).intersection( |
62ddec8b | 1014 | Set(i.classes)) |
fe0a57d3 | 1015 | if common: |
0532f0a3 | 1016 | ret = True |
0532f0a3 | 1017 | if not ret: |
19e2bf8c RP |
1018 | # If a class was requested and interface does not belong |
1019 | # to the class, only then mark the ifaceobjs as blacklisted | |
1020 | self.blacklisted_ifaces_present = True | |
1021 | for i in ifaceobjs: | |
1022 | i.blacklisted = True | |
1023 | return ret | |
67cfaeb1 RP |
1024 | # If the user has requested auto class, check if the interface |
1025 | # is marked auto | |
d08d5f54 | 1026 | if auto: |
19e2bf8c | 1027 | ret = False |
a6f80f0e | 1028 | for i in ifaceobjs: |
62ddec8b | 1029 | if i.auto: |
0532f0a3 | 1030 | ret = True |
19e2bf8c RP |
1031 | if not ret: |
1032 | # If auto was requested and interface was not marked auto, | |
1033 | # only then mark all of them as blacklisted | |
1034 | self.blacklisted_ifaces_present = True | |
1035 | for i in ifaceobjs: | |
0532f0a3 RP |
1036 | i.blacklisted = True |
1037 | return ret | |
a6f80f0e | 1038 | |
53b00224 | 1039 | def _compat_conv_op_to_mode(self, op): |
1040 | """ Returns old op name to work with existing scripts """ | |
1041 | if op == 'pre-up': | |
1042 | return 'start' | |
1043 | elif op == 'pre-down': | |
1044 | return 'stop' | |
1045 | else: | |
1046 | return op | |
1047 | ||
a6f80f0e | 1048 | def generate_running_env(self, ifaceobj, op): |
739f665b | 1049 | """ Generates a dictionary with env variables required for |
1050 | an interface. Used to support script execution for interfaces. | |
a6f80f0e | 1051 | """ |
1052 | ||
1053 | cenv = None | |
62ddec8b | 1054 | iface_env = ifaceobj.env |
1055 | if iface_env: | |
a6f80f0e | 1056 | cenv = os.environ |
d08d5f54 | 1057 | if cenv: |
a6f80f0e | 1058 | cenv.update(iface_env) |
1059 | else: | |
1060 | cenv = iface_env | |
53b00224 | 1061 | cenv['MODE'] = self._compat_conv_op_to_mode(op) |
a6f80f0e | 1062 | return cenv |
1063 | ||
53b00224 | 1064 | def _save_state(self): |
dbc018d3 RP |
1065 | if (not self.flags.STATEMANAGER_ENABLE or |
1066 | not self.flags.STATEMANAGER_UPDATE): | |
20dd6242 | 1067 | return |
1068 | try: | |
1069 | # Update persistant iface states | |
1070 | self.statemanager.save_state() | |
1071 | except Exception, e: | |
1072 | if self.logger.isEnabledFor(logging.DEBUG): | |
1073 | t = sys.exc_info()[2] | |
1074 | traceback.print_tb(t) | |
1075 | self.logger.warning('error saving state (%s)' %str(e)) | |
1076 | ||
2da58137 RP |
1077 | def set_type(self, type): |
1078 | if type == 'iface': | |
1079 | self.type = ifaceType.IFACE | |
1080 | elif type == 'vlan': | |
1081 | self.type = ifaceType.BRIDGE_VLAN | |
1082 | else: | |
1083 | self.type = ifaceType.UNKNOWN | |
1084 | ||
a070c90e RP |
1085 | def _process_delay_admin_state_queue(self, op): |
1086 | if not self._delay_admin_state_iface_queue: | |
1087 | return | |
1088 | if op == 'up': | |
1089 | func = self.link_up | |
1090 | elif op == 'down': | |
1091 | func = self.link_down | |
1092 | else: | |
1093 | return | |
1094 | for i in self._delay_admin_state_iface_queue: | |
1095 | try: | |
1096 | if self.link_exists(i): | |
1097 | func(i) | |
1098 | except Exception, e: | |
1099 | self.logger.warn(str(e)) | |
1100 | pass | |
1101 | ||
d08d5f54 | 1102 | def up(self, ops, auto=False, allow_classes=None, ifacenames=None, |
2da58137 | 1103 | excludepats=None, printdependency=None, syntaxcheck=False, |
ad25e7bb | 1104 | type=None, skipupperifaces=False): |
2c0ad8b3 RP |
1105 | """This brings the interface(s) up |
1106 | ||
1107 | Args: | |
41febf89 RP |
1108 | ops (list): list of ops to perform on the interface(s). |
1109 | Eg: ['pre-up', 'up', 'post-up' | |
2c0ad8b3 RP |
1110 | |
1111 | Kwargs: | |
1112 | auto (bool): act on interfaces marked auto | |
1113 | allow_classes (list): act on interfaces belonging to classes in the list | |
1114 | ifacenames (list): act on interfaces specified in this list | |
1115 | excludepats (list): list of patterns of interfaces to exclude | |
1116 | syntaxcheck (bool): only perform syntax check | |
1117 | """ | |
53b00224 | 1118 | |
2da58137 RP |
1119 | self.set_type(type) |
1120 | ||
5ee3e1a8 | 1121 | if allow_classes: |
dbc018d3 RP |
1122 | self.flags.IFACE_CLASS = True |
1123 | if not self.flags.ADDONS_ENABLE: | |
1124 | self.flags.STATEMANAGER_UPDATE = False | |
d08d5f54 | 1125 | if auto: |
d2b35716 RP |
1126 | ifupdownflags.flags.ALL = True |
1127 | ifupdownflags.flags.WITH_DEPENDS = True | |
d08d5f54 | 1128 | try: |
cfa06db6 | 1129 | iface_read_ret = self.read_iface_config() |
62ddec8b | 1130 | except Exception: |
d08d5f54 | 1131 | raise |
a6f80f0e | 1132 | |
31a5f4c3 | 1133 | if ifacenames: |
41febf89 | 1134 | ifacenames = self._preprocess_ifacenames(ifacenames) |
a6f80f0e | 1135 | |
1136 | # if iface list not given by user, assume all from config file | |
31a5f4c3 | 1137 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
a6f80f0e | 1138 | |
1139 | # filter interfaces based on auto and allow classes | |
cca03c30 | 1140 | filtered_ifacenames = [i for i in ifacenames |
53b00224 | 1141 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 1142 | excludepats, i)] |
fe0a57d3 | 1143 | if not filtered_ifacenames: |
d08d5f54 | 1144 | raise Exception('no ifaces found matching given allow lists') |
a6f80f0e | 1145 | |
20dd6242 | 1146 | if printdependency: |
c798b0f4 | 1147 | self.populate_dependency_info(ops, filtered_ifacenames) |
d08d5f54 | 1148 | self.print_dependency(filtered_ifacenames, printdependency) |
739f665b | 1149 | return |
cca03c30 | 1150 | else: |
c798b0f4 | 1151 | self.populate_dependency_info(ops) |
1152 | ||
cfa06db6 RP |
1153 | # If only syntax check was requested, return here. |
1154 | # return here because we want to make sure most | |
1155 | # errors above are caught and reported. | |
21289e4a | 1156 | if syntaxcheck: |
eb377c6c | 1157 | self._module_syntax_check(filtered_ifacenames) |
cfa06db6 RP |
1158 | if not iface_read_ret: |
1159 | raise Exception() | |
666c6141 RP |
1160 | elif self._any_iface_errors(filtered_ifacenames): |
1161 | raise Exception() | |
21289e4a RP |
1162 | return |
1163 | ||
24aa45e5 | 1164 | ret = None |
525f0a30 | 1165 | try: |
2009513f RP |
1166 | ret = self._sched_ifaces(filtered_ifacenames, ops, |
1167 | skipupperifaces=skipupperifaces, | |
1168 | followdependents=True | |
d2b35716 RP |
1169 | if ifupdownflags.flags.WITH_DEPENDS |
1170 | else False) | |
525f0a30 | 1171 | finally: |
a070c90e | 1172 | self._process_delay_admin_state_queue('up') |
fc5e1735 | 1173 | if not ifupdownflags.flags.DRYRUN and self.flags.ADDONS_ENABLE: |
525f0a30 | 1174 | self._save_state() |
a6f80f0e | 1175 | |
2009513f RP |
1176 | if not iface_read_ret or not ret: |
1177 | raise Exception() | |
1178 | ||
d08d5f54 | 1179 | def down(self, ops, auto=False, allow_classes=None, ifacenames=None, |
2da58137 RP |
1180 | excludepats=None, printdependency=None, usecurrentconfig=False, |
1181 | type=None): | |
53b00224 | 1182 | """ down an interface """ |
1183 | ||
2da58137 RP |
1184 | self.set_type(type) |
1185 | ||
5ee3e1a8 | 1186 | if allow_classes: |
dbc018d3 RP |
1187 | self.flags.IFACE_CLASS = True |
1188 | if not self.flags.ADDONS_ENABLE: | |
1189 | self.flags.STATEMANAGER_UPDATE = False | |
d08d5f54 | 1190 | if auto: |
d2b35716 RP |
1191 | ifupdownflags.flags.ALL = True |
1192 | ifupdownflags.flags.WITH_DEPENDS = True | |
5c721925 | 1193 | # For down we need to look at old state, unless usecurrentconfig |
1194 | # is set | |
dbc018d3 | 1195 | if (not usecurrentconfig and self.flags.STATEMANAGER_ENABLE and |
53b00224 | 1196 | self.statemanager.ifaceobjdict): |
31a5f4c3 | 1197 | # Since we are using state manager objects, |
1198 | # skip the updating of state manager objects | |
5c721925 | 1199 | self.logger.debug('Looking at old state ..') |
d08d5f54 | 1200 | self.read_old_iface_config() |
fe0a57d3 | 1201 | else: |
d08d5f54 | 1202 | # If no old state available |
d08d5f54 | 1203 | try: |
1204 | self.read_iface_config() | |
1205 | except Exception, e: | |
1206 | raise Exception('error reading iface config (%s)' %str(e)) | |
d08d5f54 | 1207 | if ifacenames: |
1208 | # If iface list is given by the caller, always check if iface | |
1209 | # is present | |
31c58787 | 1210 | try: |
41febf89 | 1211 | ifacenames = self._preprocess_ifacenames(ifacenames) |
31c58787 | 1212 | except Exception, e: |
1213 | raise Exception('%s' %str(e) + | |
1214 | ' (interface was probably never up ?)') | |
1215 | ||
d08d5f54 | 1216 | # if iface list not given by user, assume all from config file |
fe0a57d3 | 1217 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
53b00224 | 1218 | |
d08d5f54 | 1219 | # filter interfaces based on auto and allow classes |
1220 | filtered_ifacenames = [i for i in ifacenames | |
53b00224 | 1221 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 1222 | excludepats, i)] |
fe0a57d3 | 1223 | if not filtered_ifacenames: |
c0071225 | 1224 | raise Exception('no ifaces found matching given allow lists ' + |
41febf89 | 1225 | '(or interfaces were probably never up ?)') |
14dc390d | 1226 | |
d08d5f54 | 1227 | if printdependency: |
99b212b0 | 1228 | self.populate_dependency_info(ops, filtered_ifacenames) |
d08d5f54 | 1229 | self.print_dependency(filtered_ifacenames, printdependency) |
1230 | return | |
99b212b0 | 1231 | else: |
1232 | self.populate_dependency_info(ops) | |
525f0a30 | 1233 | |
1234 | try: | |
a4912b99 | 1235 | self._sched_ifaces(filtered_ifacenames, ops, |
dbc018d3 | 1236 | followdependents=True |
d2b35716 | 1237 | if ifupdownflags.flags.WITH_DEPENDS else False) |
525f0a30 | 1238 | finally: |
a070c90e | 1239 | self._process_delay_admin_state_queue('down') |
fc5e1735 | 1240 | if not ifupdownflags.flags.DRYRUN and self.flags.ADDONS_ENABLE: |
525f0a30 | 1241 | self._save_state() |
d08d5f54 | 1242 | |
4c56a7c1 RP |
1243 | def query(self, ops, auto=False, format_list=False, allow_classes=None, |
1244 | ifacenames=None, | |
739f665b | 1245 | excludepats=None, printdependency=None, |
6e16e5ae | 1246 | format='native', type=None): |
53b00224 | 1247 | """ query an interface """ |
1248 | ||
2da58137 RP |
1249 | self.set_type(type) |
1250 | ||
2ddd65c5 RP |
1251 | # Let us forget internal squashing when it comes to |
1252 | # ifquery. It can surprise people relying of ifquery | |
1253 | # output | |
1254 | self._ifaceobj_squash_internal = False | |
1255 | ||
5ee3e1a8 | 1256 | if allow_classes: |
dbc018d3 RP |
1257 | self.flags.IFACE_CLASS = True |
1258 | if self.flags.STATEMANAGER_ENABLE and ops[0] == 'query-savedstate': | |
5c721925 | 1259 | return self.statemanager.dump_pretty(ifacenames) |
dbc018d3 | 1260 | self.flags.STATEMANAGER_UPDATE = False |
d08d5f54 | 1261 | if auto: |
739f665b | 1262 | self.logger.debug('setting flag ALL') |
d2b35716 RP |
1263 | ifupdownflags.flags.ALL = True |
1264 | ifupdownflags.flags.WITH_DEPENDS = True | |
739f665b | 1265 | |
d08d5f54 | 1266 | if ops[0] == 'query-syntax': |
53b00224 | 1267 | self._modules_help() |
d08d5f54 | 1268 | return |
1269 | elif ops[0] == 'query-running': | |
739f665b | 1270 | # create fake devices to all dependents that dont have config |
dbc018d3 RP |
1271 | map(lambda i: self.create_n_save_ifaceobj(i, |
1272 | ifacePrivFlags(False, True)), ifacenames) | |
739f665b | 1273 | else: |
1274 | try: | |
1275 | self.read_iface_config() | |
1276 | except Exception: | |
1277 | raise | |
1278 | ||
53b00224 | 1279 | if ifacenames and ops[0] != 'query-running': |
41febf89 RP |
1280 | # If iface list is given, always check if iface is present |
1281 | ifacenames = self._preprocess_ifacenames(ifacenames) | |
739f665b | 1282 | |
1283 | # if iface list not given by user, assume all from config file | |
31a5f4c3 | 1284 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
739f665b | 1285 | |
1286 | # filter interfaces based on auto and allow classes | |
d08d5f54 | 1287 | if ops[0] == 'query-running': |
739f665b | 1288 | filtered_ifacenames = ifacenames |
1289 | else: | |
1290 | filtered_ifacenames = [i for i in ifacenames | |
53b00224 | 1291 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 1292 | excludepats, i)] |
fe0a57d3 | 1293 | if not filtered_ifacenames: |
739f665b | 1294 | raise Exception('no ifaces found matching ' + |
1295 | 'given allow lists') | |
37c0543d | 1296 | |
e1601369 | 1297 | self.populate_dependency_info(ops) |
d08d5f54 | 1298 | if ops[0] == 'query-dependency' and printdependency: |
1299 | self.print_dependency(filtered_ifacenames, printdependency) | |
1300 | return | |
739f665b | 1301 | |
4c56a7c1 RP |
1302 | if format_list and (ops[0] == 'query' or ops[0] == 'query-raw'): |
1303 | return self.print_ifaceobjs_list(filtered_ifacenames) | |
1304 | ||
634764bd | 1305 | if ops[0] == 'query' and not ifupdownflags.flags.WITHDEFAULTS: |
75730152 | 1306 | return self.print_ifaceobjs_pretty(filtered_ifacenames, format) |
1307 | elif ops[0] == 'query-raw': | |
1308 | return self.print_ifaceobjs_raw(filtered_ifacenames) | |
1309 | ||
6e16e5ae | 1310 | ret = self._sched_ifaces(filtered_ifacenames, ops, |
dbc018d3 | 1311 | followdependents=True |
d2b35716 | 1312 | if ifupdownflags.flags.WITH_DEPENDS else False) |
739f665b | 1313 | |
634764bd RP |
1314 | if ops[0] == 'query' and ifupdownflags.flags.WITHDEFAULTS: |
1315 | return self.print_ifaceobjs_pretty(filtered_ifacenames, format) | |
1316 | elif ops[0] == 'query-checkcurr': | |
d08d5f54 | 1317 | ret = self.print_ifaceobjscurr_pretty(filtered_ifacenames, format) |
739f665b | 1318 | if ret != 0: |
1319 | # if any of the object has an error, signal that silently | |
1320 | raise Exception('') | |
d08d5f54 | 1321 | elif ops[0] == 'query-running': |
1322 | self.print_ifaceobjsrunning_pretty(filtered_ifacenames, format) | |
739f665b | 1323 | return |
1324 | ||
4e07a2d5 | 1325 | def _reload_currentlyup(self, upops, downops, auto=False, allow=None, |
2da58137 | 1326 | ifacenames=None, excludepats=None, usecurrentconfig=False, |
cfa06db6 | 1327 | syntaxcheck=False, **extra_args): |
2da58137 | 1328 | """ reload currently up interfaces """ |
c0071225 | 1329 | new_ifaceobjdict = {} |
739f665b | 1330 | |
4e07a2d5 RP |
1331 | self.logger.info('reloading interfaces that are currently up ..') |
1332 | ||
2da58137 | 1333 | try: |
cfa06db6 | 1334 | iface_read_ret = self.read_iface_config() |
2da58137 RP |
1335 | except: |
1336 | raise | |
2da58137 RP |
1337 | if not self.ifaceobjdict: |
1338 | self.logger.warn("nothing to reload ..exiting.") | |
1339 | return | |
2da58137 | 1340 | already_up_ifacenames = [] |
1042b709 | 1341 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
cfa06db6 | 1342 | |
dbc018d3 | 1343 | if (not usecurrentconfig and self.flags.STATEMANAGER_ENABLE |
2da58137 RP |
1344 | and self.statemanager.ifaceobjdict): |
1345 | already_up_ifacenames = self.statemanager.ifaceobjdict.keys() | |
1346 | ||
2da58137 RP |
1347 | # Get already up interfaces that still exist in the interfaces file |
1348 | already_up_ifacenames_not_present = Set( | |
1349 | already_up_ifacenames).difference(ifacenames) | |
1350 | already_up_ifacenames_still_present = Set( | |
1351 | already_up_ifacenames).difference( | |
1352 | already_up_ifacenames_not_present) | |
4e07a2d5 RP |
1353 | |
1354 | interfaces_to_up = already_up_ifacenames_still_present | |
1355 | ||
1356 | # generate dependency graph of interfaces | |
1357 | self.populate_dependency_info(upops, interfaces_to_up) | |
1358 | ||
1359 | # If only syntax check was requested, return here. | |
1360 | # return here because we want to make sure most | |
1361 | # errors above are caught and reported. | |
1362 | if syntaxcheck: | |
eb377c6c | 1363 | self._module_syntax_check(interfaces_to_up) |
4e07a2d5 RP |
1364 | if not iface_read_ret: |
1365 | raise Exception() | |
1366 | elif self._any_iface_errors(interfaces_to_up): | |
1367 | raise Exception() | |
1368 | return | |
2da58137 RP |
1369 | |
1370 | if (already_up_ifacenames_not_present and | |
1371 | self.config.get('ifreload_currentlyup_down_notpresent') == '1'): | |
1372 | self.logger.info('reload: schedule down on interfaces: %s' | |
1373 | %str(already_up_ifacenames_not_present)) | |
1374 | ||
1375 | # Save a copy of new iface objects and dependency_graph | |
1376 | new_ifaceobjdict = dict(self.ifaceobjdict) | |
1377 | new_dependency_graph = dict(self.dependency_graph) | |
1378 | ||
1379 | # old interface config is read into self.ifaceobjdict | |
1380 | self.read_old_iface_config() | |
1381 | ||
1382 | # reinitialize dependency graph | |
1383 | self.dependency_graph = OrderedDict({}) | |
1042b709 RP |
1384 | falready_up_ifacenames_not_present = [i for i in |
1385 | already_up_ifacenames_not_present | |
1386 | if self._iface_whitelisted(auto, allow, | |
1387 | excludepats, i)] | |
2da58137 | 1388 | self.populate_dependency_info(downops, |
1042b709 RP |
1389 | falready_up_ifacenames_not_present) |
1390 | self._sched_ifaces(falready_up_ifacenames_not_present, downops, | |
e308cb82 | 1391 | followdependents=False, sort=True) |
2da58137 | 1392 | else: |
4e07a2d5 | 1393 | self.logger.info('no interfaces to down ..') |
2da58137 RP |
1394 | |
1395 | # Now, run 'up' with new config dict | |
1396 | # reset statemanager update flag to default | |
e308cb82 | 1397 | if auto: |
d2b35716 RP |
1398 | ifupdownflags.flags.ALL = True |
1399 | ifupdownflags.flags.WITH_DEPENDS = True | |
2da58137 | 1400 | if new_ifaceobjdict: |
3d44fbd0 | 1401 | # and now, ifaceobjdict is back to current config |
2da58137 RP |
1402 | self.ifaceobjdict = new_ifaceobjdict |
1403 | self.dependency_graph = new_dependency_graph | |
1404 | ||
1405 | if not self.ifaceobjdict: | |
4e07a2d5 RP |
1406 | self.logger.info('no interfaces to up') |
1407 | return | |
2da58137 RP |
1408 | self.logger.info('reload: scheduling up on interfaces: %s' |
1409 | %str(interfaces_to_up)) | |
2009513f RP |
1410 | ret = self._sched_ifaces(interfaces_to_up, upops, |
1411 | followdependents=True | |
d2b35716 | 1412 | if ifupdownflags.flags.WITH_DEPENDS else False) |
fc5e1735 | 1413 | if ifupdownflags.flags.DRYRUN: |
2da58137 RP |
1414 | return |
1415 | self._save_state() | |
1416 | ||
2009513f RP |
1417 | if not iface_read_ret or not ret: |
1418 | raise Exception() | |
1419 | ||
2da58137 RP |
1420 | def _reload_default(self, upops, downops, auto=False, allow=None, |
1421 | ifacenames=None, excludepats=None, usecurrentconfig=False, | |
cfa06db6 | 1422 | syntaxcheck=False, **extra_args): |
2da58137 | 1423 | """ reload interface config """ |
2da58137 | 1424 | new_ifaceobjdict = {} |
739f665b | 1425 | |
1426 | try: | |
cfa06db6 | 1427 | iface_read_ret = self.read_iface_config() |
20dd6242 | 1428 | except: |
739f665b | 1429 | raise |
1430 | ||
c0071225 RP |
1431 | if not self.ifaceobjdict: |
1432 | self.logger.warn("nothing to reload ..exiting.") | |
1433 | return | |
1042b709 RP |
1434 | |
1435 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() | |
1436 | new_filtered_ifacenames = [i for i in ifacenames | |
1437 | if self._iface_whitelisted(auto, allow, | |
1438 | excludepats, i)] | |
37c0543d | 1439 | # generate dependency graph of interfaces |
c798b0f4 | 1440 | self.populate_dependency_info(upops) |
1042b709 | 1441 | |
cfa06db6 RP |
1442 | # If only syntax check was requested, return here. |
1443 | # return here because we want to make sure most | |
1444 | # errors above are caught and reported. | |
1445 | if syntaxcheck: | |
eb377c6c | 1446 | self._module_syntax_check(new_filtered_ifacenames) |
cfa06db6 RP |
1447 | if not iface_read_ret: |
1448 | raise Exception() | |
4e07a2d5 RP |
1449 | elif self._any_iface_errors(new_filtered_ifacenames): |
1450 | raise Exception() | |
cfa06db6 RP |
1451 | return |
1452 | ||
dbc018d3 | 1453 | if (not usecurrentconfig and self.flags.STATEMANAGER_ENABLE |
14dc390d | 1454 | and self.statemanager.ifaceobjdict): |
1455 | # Save a copy of new iface objects and dependency_graph | |
1456 | new_ifaceobjdict = dict(self.ifaceobjdict) | |
1457 | new_dependency_graph = dict(self.dependency_graph) | |
37c0543d | 1458 | |
dbc018d3 RP |
1459 | self.ifaceobjdict = OrderedDict({}) |
1460 | self.dependency_graph = OrderedDict({}) | |
1461 | ||
739f665b | 1462 | # if old state is present, read old state and mark op for 'down' |
1463 | # followed by 'up' aka: reload | |
37c0543d | 1464 | # old interface config is read into self.ifaceobjdict |
739f665b | 1465 | self.read_old_iface_config() |
1466 | op = 'reload' | |
1467 | else: | |
1468 | # oldconfig not available, continue with 'up' with new config | |
1469 | op = 'up' | |
05ac52f0 RP |
1470 | new_ifaceobjdict = self.ifaceobjdict |
1471 | new_dependency_graph = self.dependency_graph | |
739f665b | 1472 | |
fe0a57d3 | 1473 | if op == 'reload' and ifacenames: |
93b399fb | 1474 | ifacenames = self.ifaceobjdict.keys() |
1042b709 RP |
1475 | old_filtered_ifacenames = [i for i in ifacenames |
1476 | if self._iface_whitelisted(auto, allow, | |
d08d5f54 | 1477 | excludepats, i)] |
e308cb82 | 1478 | |
dbc018d3 RP |
1479 | # generate dependency graph of old interfaces, |
1480 | # This should make sure built in interfaces are | |
1481 | # populated. disable check shared dependents as an optimization. | |
1482 | # these are saved interfaces and dependency for these | |
1483 | # have been checked before they became part of saved state. | |
62f2caa4 RP |
1484 | try: |
1485 | self.flags.CHECK_SHARED_DEPENDENTS = False | |
1486 | self.populate_dependency_info(upops) | |
1487 | self.flags.CHECK_SHARED_DEPENDENTS = True | |
1488 | except Exception, e: | |
1489 | self.logger.info("error generating dependency graph for " | |
1490 | "saved interfaces (%s)" %str(e)) | |
1491 | pass | |
1492 | ||
dbc018d3 | 1493 | # make sure we pick up built-in interfaces |
e308cb82 RP |
1494 | # if config file had 'ifreload_down_changed' variable |
1495 | # set, also look for interfaces that changed to down them | |
1496 | down_changed = int(self.config.get('ifreload_down_changed', '1')) | |
1497 | ||
37c0543d | 1498 | # Generate the interface down list |
1499 | # Interfaces that go into the down list: | |
1500 | # - interfaces that were present in last config and are not | |
1501 | # present in the new config | |
1502 | # - interfaces that were changed between the last and current | |
1503 | # config | |
37c0543d | 1504 | ifacedownlist = [] |
dbc018d3 | 1505 | for ifname in self.ifaceobjdict.keys(): |
2da58137 | 1506 | lastifaceobjlist = self.ifaceobjdict.get(ifname) |
dbc018d3 RP |
1507 | if not self.is_ifaceobj_builtin(lastifaceobjlist[0]): |
1508 | # if interface is not built-in and is not in | |
1509 | # old filtered ifacenames | |
1510 | if ifname not in old_filtered_ifacenames: | |
1511 | continue | |
37c0543d | 1512 | objidx = 0 |
37c0543d | 1513 | # If interface is not present in the new file |
1514 | # append it to the down list | |
53b00224 | 1515 | newifaceobjlist = new_ifaceobjdict.get(ifname) |
1516 | if not newifaceobjlist: | |
37c0543d | 1517 | ifacedownlist.append(ifname) |
1518 | continue | |
21289e4a RP |
1519 | # If ifaceobj was present in the old interfaces file, |
1520 | # and does not have a config in the new interfaces file | |
1521 | # but has been picked up as a dependent of another | |
1522 | # interface, catch it here. This catches a common error | |
1523 | # for example: remove a bond section from the interfaces | |
1524 | # file, but leave it around as a bridge port | |
1525 | # XXX: Ideally its better to just add it to the | |
1526 | # ifacedownlist. But we will be cautious here | |
1527 | # and just print a warning | |
1528 | if (self.is_ifaceobj_noconfig(newifaceobjlist[0]) and | |
dbc018d3 | 1529 | not self.is_ifaceobj_builtin(newifaceobjlist[0]) and |
7ef04d1b RP |
1530 | lastifaceobjlist[0].is_config_present() and |
1531 | lastifaceobjlist[0].link_kind): | |
1532 | self.logger.warn('%s: misconfig ? removed but still exists as a dependency of %s' %(newifaceobjlist[objidx].name, str(newifaceobjlist[objidx].upperifaces))) | |
26434da6 RP |
1533 | if not down_changed: |
1534 | continue | |
53b00224 | 1535 | if len(newifaceobjlist) != len(lastifaceobjlist): |
37c0543d | 1536 | ifacedownlist.append(ifname) |
1537 | continue | |
e308cb82 RP |
1538 | |
1539 | # If interface has changed between the current file | |
1540 | # and the last installed append it to the down list | |
37c0543d | 1541 | # compare object list |
53b00224 | 1542 | for objidx in range(0, len(lastifaceobjlist)): |
1543 | oldobj = lastifaceobjlist[objidx] | |
1544 | newobj = newifaceobjlist[objidx] | |
ca3f4fc7 | 1545 | if not newobj.compare(oldobj): |
37c0543d | 1546 | ifacedownlist.append(ifname) |
1547 | continue | |
1548 | ||
fe0a57d3 | 1549 | if ifacedownlist: |
2da58137 | 1550 | self.logger.info('reload: scheduling down on interfaces: %s' |
739f665b | 1551 | %str(ifacedownlist)) |
20dd6242 | 1552 | # reinitialize dependency graph |
1553 | self.dependency_graph = OrderedDict({}) | |
dbc018d3 | 1554 | |
37c0543d | 1555 | # Generate dependency info for old config |
62f2caa4 | 1556 | self.flags.CHECK_SHARED_DEPENDENTS = False |
14dc390d | 1557 | self.populate_dependency_info(downops, ifacedownlist) |
62f2caa4 RP |
1558 | self.flags.CHECK_SHARED_DEPENDENTS = True |
1559 | ||
a070c90e | 1560 | try: |
dbc018d3 RP |
1561 | # XXX: Hack to skip checking upperifaces during down. |
1562 | # the dependency list is not complete here | |
1563 | # and we dont want to down the upperiface. | |
1564 | # Hence during reload, set this to true. | |
1565 | # This is being added to avoid a failure in | |
1566 | # scheduler._check_upperifaces when we are dowing | |
1567 | # a builtin bridge port | |
1568 | self.flags.SCHED_SKIP_CHECK_UPPERIFACES = True | |
a4912b99 | 1569 | self._sched_ifaces(ifacedownlist, downops, |
e308cb82 RP |
1570 | followdependents=False, |
1571 | sort=True) | |
a070c90e RP |
1572 | except Exception, e: |
1573 | self.logger.error(str(e)) | |
1574 | pass | |
1575 | finally: | |
dbc018d3 | 1576 | self.flags.SCHED_SKIP_CHECK_UPPERIFACES = False |
a070c90e | 1577 | self._process_delay_admin_state_queue('down') |
37c0543d | 1578 | else: |
4e07a2d5 | 1579 | self.logger.info('no interfaces to down ..') |
739f665b | 1580 | |
20dd6242 | 1581 | # Now, run 'up' with new config dict |
1582 | # reset statemanager update flag to default | |
c0071225 | 1583 | if not new_ifaceobjdict: |
aa4e3022 | 1584 | self.logger.debug('no interfaces to up') |
c0071225 | 1585 | return |
e308cb82 RP |
1586 | |
1587 | if auto: | |
d2b35716 RP |
1588 | ifupdownflags.flags.ALL = True |
1589 | ifupdownflags.flags.WITH_DEPENDS = True | |
3d44fbd0 | 1590 | # and now, we are back to the current config in ifaceobjdict |
53b00224 | 1591 | self.ifaceobjdict = new_ifaceobjdict |
1592 | self.dependency_graph = new_dependency_graph | |
c798b0f4 | 1593 | |
2da58137 | 1594 | self.logger.info('reload: scheduling up on interfaces: %s' |
1042b709 | 1595 | %str(new_filtered_ifacenames)) |
8a360f1b | 1596 | ifupdownflags.flags.CACHE = True |
a070c90e | 1597 | try: |
2009513f RP |
1598 | ret = self._sched_ifaces(new_filtered_ifacenames, upops, |
1599 | followdependents=True | |
d2b35716 RP |
1600 | if ifupdownflags.flags.WITH_DEPENDS |
1601 | else False) | |
a070c90e | 1602 | except Exception, e: |
24aa45e5 | 1603 | ret = None |
a070c90e | 1604 | self.logger.error(str(e)) |
a070c90e RP |
1605 | finally: |
1606 | self._process_delay_admin_state_queue('up') | |
fc5e1735 | 1607 | if ifupdownflags.flags.DRYRUN: |
e37ad4a6 | 1608 | return |
53b00224 | 1609 | self._save_state() |
a6f80f0e | 1610 | |
2009513f RP |
1611 | if not iface_read_ret or not ret: |
1612 | raise Exception() | |
1613 | ||
2da58137 RP |
1614 | def reload(self, *args, **kargs): |
1615 | """ reload interface config """ | |
2da58137 RP |
1616 | self.logger.debug('reloading interface config ..') |
1617 | if kargs.get('currentlyup', False): | |
1618 | self._reload_currentlyup(*args, **kargs) | |
1619 | else: | |
1620 | self._reload_default(*args, **kargs) | |
1621 | ||
666c6141 RP |
1622 | def _any_iface_errors(self, ifacenames): |
1623 | for i in ifacenames: | |
1624 | ifaceobjs = self.get_ifaceobjs(i) | |
1625 | if not ifaceobjs: continue | |
1626 | for ifaceobj in ifaceobjs: | |
1627 | if (ifaceobj.status == ifaceStatus.NOTFOUND or | |
1628 | ifaceobj.status == ifaceStatus.ERROR): | |
1629 | return True | |
1630 | return False | |
1631 | ||
7538dc77 | 1632 | def _pretty_print_ordered_dict(self, prefix, argdict): |
525f0a30 | 1633 | outbuf = prefix + ' {\n' |
53b00224 | 1634 | for k, vlist in argdict.items(): |
525f0a30 | 1635 | outbuf += '\t%s : %s\n' %(k, str(vlist)) |
7538dc77 | 1636 | self.logger.debug(outbuf + '}') |
a6f80f0e | 1637 | |
53b00224 | 1638 | def print_dependency(self, ifacenames, format): |
1639 | """ prints iface dependency information """ | |
a6f80f0e | 1640 | |
53b00224 | 1641 | if not ifacenames: |
1642 | ifacenames = self.ifaceobjdict.keys() | |
1643 | if format == 'list': | |
1644 | for k,v in self.dependency_graph.items(): | |
1645 | print '%s : %s' %(k, str(v)) | |
1646 | elif format == 'dot': | |
1647 | indegrees = {} | |
1648 | map(lambda i: indegrees.update({i : | |
1649 | self.get_iface_refcnt(i)}), | |
1650 | self.dependency_graph.keys()) | |
1651 | graph.generate_dots(self.dependency_graph, indegrees) | |
a6f80f0e | 1652 | |
4c56a7c1 RP |
1653 | def print_ifaceobjs_list(self, ifacenames): |
1654 | for i in ifacenames: | |
1655 | print i | |
1656 | ||
739f665b | 1657 | def print_ifaceobjs_raw(self, ifacenames): |
53b00224 | 1658 | """ prints raw lines for ifaces from config file """ |
1659 | ||
739f665b | 1660 | for i in ifacenames: |
31a5f4c3 | 1661 | for ifaceobj in self.get_ifaceobjs(i): |
75730152 | 1662 | if (self.is_ifaceobj_builtin(ifaceobj) or |
1663 | not ifaceobj.is_config_present()): | |
1664 | continue | |
1665 | ifaceobj.dump_raw(self.logger) | |
739f665b | 1666 | print '\n' |
d2b35716 RP |
1667 | if (ifupdownflags.flags.WITH_DEPENDS and |
1668 | not ifupdownflags.flags.ALL): | |
62ddec8b | 1669 | dlist = ifaceobj.lowerifaces |
fe0a57d3 | 1670 | if not dlist: continue |
53b00224 | 1671 | self.print_ifaceobjs_raw(dlist) |
739f665b | 1672 | |
2cd06f78 | 1673 | def _get_ifaceobjs_pretty(self, ifacenames, ifaceobjs, running=False): |
1674 | """ returns iface obj list """ | |
53b00224 | 1675 | |
a6f80f0e | 1676 | for i in ifacenames: |
31a5f4c3 | 1677 | for ifaceobj in self.get_ifaceobjs(i): |
2cd06f78 | 1678 | if ((not running and self.is_ifaceobj_noconfig(ifaceobj)) or |
1679 | (running and not ifaceobj.is_config_present())): | |
75730152 | 1680 | continue |
2cd06f78 | 1681 | ifaceobjs.append(ifaceobj) |
d2b35716 RP |
1682 | if (ifupdownflags.flags.WITH_DEPENDS and |
1683 | not ifupdownflags.flags.ALL): | |
62ddec8b | 1684 | dlist = ifaceobj.lowerifaces |
fe0a57d3 | 1685 | if not dlist: continue |
2cd06f78 | 1686 | self._get_ifaceobjs_pretty(dlist, ifaceobjs, running) |
739f665b | 1687 | |
2cd06f78 | 1688 | def print_ifaceobjs_pretty(self, ifacenames, format='native'): |
1689 | """ pretty prints iface in format given by keyword arg format """ | |
eab25b7c | 1690 | |
2cd06f78 | 1691 | ifaceobjs = [] |
1692 | self._get_ifaceobjs_pretty(ifacenames, ifaceobjs) | |
1693 | if not ifaceobjs: return | |
1694 | if format == 'json': | |
3dcc1d0e | 1695 | print json.dumps(ifaceobjs, cls=ifaceJsonEncoder, |
1696 | indent=4, separators=(',', ': ')) | |
2cd06f78 | 1697 | else: |
2da58137 RP |
1698 | expand = int(self.config.get('ifquery_ifacename_expand_range', '0')) |
1699 | for i in ifaceobjs: | |
1700 | if not expand and (i.flags & iface.IFACERANGE_ENTRY): | |
1701 | # print only the first one | |
1702 | if i.flags & iface.IFACERANGE_START: | |
1703 | i.dump_pretty(use_realname=True) | |
1704 | else: | |
1705 | i.dump_pretty() | |
53b00224 | 1706 | |
2cd06f78 | 1707 | def _get_ifaceobjscurr_pretty(self, ifacenames, ifaceobjs): |
eab25b7c | 1708 | ret = 0 |
a6f80f0e | 1709 | for i in ifacenames: |
923290bd | 1710 | ifaceobjscurr = self.get_ifaceobjcurr(i) |
1711 | if not ifaceobjscurr: continue | |
1712 | for ifaceobj in ifaceobjscurr: | |
1713 | if (ifaceobj.status == ifaceStatus.NOTFOUND or | |
1714 | ifaceobj.status == ifaceStatus.ERROR): | |
1715 | ret = 1 | |
1716 | if self.is_ifaceobj_noconfig(ifaceobj): | |
1717 | continue | |
1718 | ifaceobjs.append(ifaceobj) | |
d2b35716 RP |
1719 | if (ifupdownflags.flags.WITH_DEPENDS and |
1720 | not ifupdownflags.flags.ALL): | |
923290bd | 1721 | dlist = ifaceobj.lowerifaces |
1722 | if not dlist: continue | |
1723 | dret = self._get_ifaceobjscurr_pretty(dlist, ifaceobjs) | |
1724 | if dret: ret = 1 | |
2cd06f78 | 1725 | return ret |
1726 | ||
1727 | def print_ifaceobjscurr_pretty(self, ifacenames, format='native'): | |
1728 | """ pretty prints current running state of interfaces with status. | |
1729 | ||
1730 | returns 1 if any of the interface has an error, | |
1731 | else returns 0 | |
1732 | """ | |
1733 | ||
1734 | ifaceobjs = [] | |
1735 | ret = self._get_ifaceobjscurr_pretty(ifacenames, ifaceobjs) | |
1736 | if not ifaceobjs: return | |
307e06bb RP |
1737 | |
1738 | # override ifaceStatusUserStrs | |
1739 | ifaceStatusUserStrs.SUCCESS = self.config.get('ifquery_check_success_str', _success_sym) | |
1740 | ifaceStatusUserStrs.ERROR = self.config.get('ifquery_check_error_str', _error_sym) | |
1741 | ifaceStatusUserStrs.UNKNOWN = self.config.get('ifquery_check_unknown_str', '') | |
2cd06f78 | 1742 | if format == 'json': |
307e06bb RP |
1743 | print json.dumps(ifaceobjs, cls=ifaceJsonEncoderWithStatus, |
1744 | indent=2, separators=(',', ': ')) | |
2cd06f78 | 1745 | else: |
fb10449e | 1746 | map(lambda i: i.dump_pretty(with_status=True), ifaceobjs) |
eab25b7c | 1747 | return ret |
a6f80f0e | 1748 | |
d08d5f54 | 1749 | def print_ifaceobjsrunning_pretty(self, ifacenames, format='native'): |
53b00224 | 1750 | """ pretty prints iface running state """ |
1751 | ||
2cd06f78 | 1752 | ifaceobjs = [] |
1753 | self._get_ifaceobjs_pretty(ifacenames, ifaceobjs, running=True) | |
1754 | if not ifaceobjs: return | |
1755 | if format == 'json': | |
1756 | print json.dumps(ifaceobjs, cls=ifaceJsonEncoder, indent=2, | |
1757 | separators=(',', ': ')) | |
1758 | else: | |
1759 | map(lambda i: i.dump_pretty(), ifaceobjs) | |
53b00224 | 1760 | |
1761 | def _dump(self): | |
1762 | print 'ifupdown main object dump' | |
1763 | print self.pp.pprint(self.modules) | |
1764 | print self.pp.pprint(self.ifaceobjdict) | |
1765 | ||
1766 | def _dump_ifaceobjs(self, ifacenames): | |
1767 | for i in ifacenames: | |
1768 | ifaceobjs = self.get_ifaceobjs(i) | |
1769 | for i in ifaceobjs: | |
1770 | i.dump(self.logger) | |
1771 | print '\n' |