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