]>
Commit | Line | Data |
---|---|---|
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 |
a6f80f0e | 18 | from statemanager import * |
19 | from networkinterfaces import * | |
20 | from iface import * | |
21 | from scheduler import * | |
22 | from collections import deque | |
23 | from collections import OrderedDict | |
a6f80f0e | 24 | from graph import * |
3e8ee54f | 25 | from sets import Set |
a6f80f0e | 26 | |
2c0ad8b3 RP |
27 | """ |
28 | .. module:: ifupdownmain | |
29 | :synopsis: main module for ifupdown package | |
30 | ||
31 | .. moduleauthor:: Roopa Prabhu <roopa@cumulusnetworks.com> | |
32 | ||
33 | """ | |
34 | ||
86fc62e2 | 35 | _tickmark = u'\u2713' |
36 | _crossmark = u'\u2717' | |
e74d01e1 RP |
37 | _success_sym = '(%s)' %_tickmark |
38 | _error_sym = '(%s)' %_crossmark | |
86fc62e2 | 39 | |
84ca006f RP |
40 | class ifupdownFlags(): |
41 | FORCE = False | |
42 | DRYRUN = False | |
43 | NOWAIT = False | |
44 | PERFMODE = False | |
45 | CACHE = False | |
46 | ||
47 | # Flags | |
48 | CACHE_FLAGS = 0x0 | |
49 | ||
be0b20f2 | 50 | class ifupdownMain(ifupdownBase): |
53b00224 | 51 | """ ifupdown2 main class """ |
52 | ||
a6f80f0e | 53 | # Flags |
cca03c30 | 54 | WITH_DEPENDS = False |
a6f80f0e | 55 | ALL = False |
5ee3e1a8 | 56 | IFACE_CLASS = False |
6bd7fc74 | 57 | COMPAT_EXEC_SCRIPTS = False |
20dd6242 | 58 | STATEMANAGER_ENABLE = True |
59 | STATEMANAGER_UPDATE = True | |
60 | ADDONS_ENABLE = False | |
a6f80f0e | 61 | |
37c0543d | 62 | # priv flags to mark iface objects |
a070c90e RP |
63 | BUILTIN = 0x0001 |
64 | NOCONFIG = 0x0010 | |
37c0543d | 65 | |
66 | scripts_dir='/etc/network' | |
67 | addon_modules_dir='/usr/share/ifupdownaddons' | |
14dc390d | 68 | addon_modules_configfile='/var/lib/ifupdownaddons/addons.conf' |
a6f80f0e | 69 | |
70 | # iface dictionary in the below format: | |
71 | # { '<ifacename>' : [<ifaceobject1>, <ifaceobject2> ..] } | |
72 | # eg: | |
53b00224 | 73 | # { 'swp1' : [<iface swp1>, <iface swp2> ..] } |
a6f80f0e | 74 | # |
75 | # Each ifaceobject corresponds to a configuration block for | |
76 | # that interface | |
53b00224 | 77 | # The value in the dictionary is a list because the network |
78 | # interface configuration file supports more than one iface section | |
79 | # in the interfaces file | |
a6f80f0e | 80 | ifaceobjdict = OrderedDict() |
81 | ||
a6f80f0e | 82 | # iface dictionary representing the curr running state of an iface |
83 | # in the below format: | |
84 | # {'<ifacename>' : <ifaceobject>} | |
85 | ifaceobjcurrdict = OrderedDict() | |
86 | ||
be0b20f2 | 87 | # Dictionary representing operation and modules |
88 | # for every operation | |
89 | module_ops = OrderedDict([('pre-up', []), | |
d08d5f54 | 90 | ('up' , []), |
91 | ('post-up' , []), | |
92 | ('query-checkcurr', []), | |
93 | ('query-running', []), | |
94 | ('query-dependency', []), | |
75730152 | 95 | ('query', []), |
96 | ('query-raw', []), | |
d08d5f54 | 97 | ('pre-down', []), |
98 | ('down' , []), | |
99 | ('post-down' , [])]) | |
37c0543d | 100 | |
101 | # For old style /etc/network/ bash scripts | |
be0b20f2 | 102 | script_ops = OrderedDict([('pre-up', []), |
d08d5f54 | 103 | ('up' , []), |
104 | ('post-up' , []), | |
105 | ('pre-down', []), | |
106 | ('down' , []), | |
107 | ('post-down' , [])]) | |
a6f80f0e | 108 | |
be0b20f2 | 109 | # Handlers for ops that ifupdown2 owns |
110 | def run_up(self, ifaceobj): | |
a070c90e RP |
111 | if (ifaceobj.addr_method and |
112 | ifaceobj.addr_method == 'manual'): | |
113 | return | |
114 | if self._delay_admin_state: | |
115 | self._delay_admin_state_iface_queue.append(ifaceobj.name) | |
116 | return | |
7f045fd8 RP |
117 | # If this object is a link slave, ie its link is controlled |
118 | # by its link master interface, then dont set the link state. | |
119 | # But do allow user to change state of the link if the interface | |
120 | # is already with its link master (hence the master check). | |
7e2e64fb | 121 | if ifaceobj.link_type == ifaceLinkType.LINK_SLAVE: |
7f045fd8 | 122 | return |
a070c90e | 123 | if not self.link_exists(ifaceobj.name): |
7e2e64fb | 124 | return |
a070c90e | 125 | self.link_up(ifaceobj.name) |
be0b20f2 | 126 | |
127 | def run_down(self, ifaceobj): | |
a070c90e RP |
128 | if (ifaceobj.addr_method and |
129 | ifaceobj.addr_method == 'manual'): | |
130 | return | |
131 | if self._delay_admin_state: | |
132 | self._delay_admin_state_iface_queue.append(ifaceobj.name) | |
133 | return | |
7f045fd8 RP |
134 | # If this object is a link slave, ie its link is controlled |
135 | # by its link master interface, then dont set the link state. | |
136 | # But do allow user to change state of the link if the interface | |
137 | # is already with its link master (hence the master check). | |
7e2e64fb RP |
138 | if ifaceobj.link_type == ifaceLinkType.LINK_SLAVE: |
139 | return | |
a070c90e | 140 | if not self.link_exists(ifaceobj.name): |
7e2e64fb | 141 | return |
a070c90e | 142 | self.link_down(ifaceobj.name) |
be0b20f2 | 143 | |
31a5f4c3 | 144 | # ifupdown object interface operation handlers |
be0b20f2 | 145 | ops_handlers = OrderedDict([('up', run_up), |
146 | ('down', run_down)]) | |
a6f80f0e | 147 | |
cb7cc592 | 148 | def run_sched_ifaceobj_posthook(self, ifaceobj, op): |
5c721925 | 149 | if ((ifaceobj.priv_flags & self.BUILTIN) or |
150 | (ifaceobj.priv_flags & self.NOCONFIG)): | |
151 | return | |
20dd6242 | 152 | if self.STATEMANAGER_UPDATE: |
cb7cc592 | 153 | self.statemanager.ifaceobj_sync(ifaceobj, op) |
31a5f4c3 | 154 | |
155 | # ifupdown object interface scheduler pre and posthooks | |
156 | sched_hooks = {'posthook' : run_sched_ifaceobj_posthook} | |
157 | ||
14dc390d | 158 | def __init__(self, config={}, |
159 | force=False, dryrun=False, nowait=False, | |
cca03c30 | 160 | perfmode=False, withdepends=False, njobs=1, |
14dc390d | 161 | cache=False, addons_enable=True, statemanager_enable=True, |
3dcc1d0e | 162 | interfacesfile='/etc/network/interfaces', |
163 | interfacesfileiobuf=None, | |
164 | interfacesfileformat='native'): | |
2c0ad8b3 RP |
165 | """This member function initializes the ifupdownmain object. |
166 | ||
167 | Kwargs: | |
168 | config (dict): config dict from /etc/network/ifupdown2/ifupdown2.conf | |
169 | force (bool): force interface configuration | |
170 | dryrun (bool): dryrun interface configuration | |
171 | withdepends (bool): apply interface configuration on all depends | |
172 | interfacesfile (str): interfaces file. default is /etc/network/interfaces | |
173 | interfacesfileformat (str): default is 'native'. Other choices are 'json' | |
174 | ||
175 | Raises: | |
176 | AttributeError, KeyError """ | |
177 | ||
a6f80f0e | 178 | self.logger = logging.getLogger('ifupdown') |
eab25b7c | 179 | self.FORCE = force |
180 | self.DRYRUN = dryrun | |
181 | self.NOWAIT = nowait | |
182 | self.PERFMODE = perfmode | |
cca03c30 | 183 | self.WITH_DEPENDS = withdepends |
20dd6242 | 184 | self.STATEMANAGER_ENABLE = statemanager_enable |
739f665b | 185 | self.CACHE = cache |
14dc390d | 186 | self.interfacesfile = interfacesfile |
3dcc1d0e | 187 | self.interfacesfileiobuf = interfacesfileiobuf |
188 | self.interfacesfileformat = interfacesfileformat | |
14dc390d | 189 | self.config = config |
190 | self.logger.debug(self.config) | |
a690dfae | 191 | |
2da58137 RP |
192 | self.type = ifaceType.UNKNOWN |
193 | ||
a690dfae | 194 | # Can be used to provide hints for caching |
195 | self.CACHE_FLAGS = 0x0 | |
37c0543d | 196 | self._DELETE_DEPENDENT_IFACES_WITH_NOCONFIG = False |
20dd6242 | 197 | self.ADDONS_ENABLE = addons_enable |
eab25b7c | 198 | |
84ca006f RP |
199 | # Copy flags into ifupdownFlags |
200 | # XXX: before we transition fully to ifupdownFlags | |
201 | ifupdownFlags.FORCE = force | |
202 | ifupdownFlags.DRYRUN = dryrun | |
203 | ifupdownFlags.NOWAIT = nowait | |
204 | ifupdownFlags.PERFMODE = perfmode | |
205 | ifupdownFlags.CACHE = cache | |
206 | ||
a6f80f0e | 207 | self.ifaces = OrderedDict() |
eab25b7c | 208 | self.njobs = njobs |
a6f80f0e | 209 | self.pp = pprint.PrettyPrinter(indent=4) |
37c0543d | 210 | self.modules = OrderedDict({}) |
d08d5f54 | 211 | self.module_attrs = {} |
20dd6242 | 212 | |
37c0543d | 213 | self.load_addon_modules(self.addon_modules_dir) |
e938bfec | 214 | if self.COMPAT_EXEC_SCRIPTS: |
215 | self.load_scripts(self.scripts_dir) | |
d08d5f54 | 216 | self.dependency_graph = OrderedDict({}) |
a6f80f0e | 217 | |
8e113d63 RP |
218 | self._cache_no_repeats = {} |
219 | ||
20dd6242 | 220 | if self.STATEMANAGER_ENABLE: |
221 | try: | |
222 | self.statemanager = stateManager() | |
223 | self.statemanager.read_saved_state() | |
224 | except Exception, e: | |
225 | # XXX Maybe we should continue by ignoring old state | |
226 | self.logger.warning('error reading state (%s)' %str(e)) | |
227 | raise | |
228 | else: | |
229 | self.STATEMANAGER_UPDATE = False | |
a070c90e RP |
230 | self._delay_admin_state = True if self.config.get( |
231 | 'delay_admin_state_change', '0') == '1' else False | |
232 | self._delay_admin_state_iface_queue = [] | |
cebe79c9 RP |
233 | if self._delay_admin_state: |
234 | self.logger.info('\'delay_admin_state_change\' is set. admin ' + | |
235 | 'state changes will be delayed till the end.') | |
236 | ||
237 | self._link_master_slave = True if self.config.get( | |
a070c90e | 238 | 'link_master_slave', '0') == '1' else False |
cebe79c9 RP |
239 | if self._link_master_slave: |
240 | self.logger.info('\'link_master_slave\' is set. slave admin ' + | |
241 | 'state changes will be delayed till the ' + | |
242 | 'masters admin state change.') | |
a6f80f0e | 243 | |
61c4d724 RP |
244 | def link_master_slave_ignore_error(self, errorstr): |
245 | # If link master slave flag is set, | |
246 | # there may be cases where the lowerdev may not be | |
247 | # up resulting in 'Network is down' error | |
248 | # This can happen if the lowerdev is a LINK_SLAVE | |
249 | # of another interface which is not up yet | |
250 | # example of such a case: | |
251 | # bringing up a vlan on a bond interface and the bond | |
252 | # is a LINK_SLAVE of a bridge (in other words the bond is | |
253 | # part of a bridge) which is not up yet | |
254 | if self._link_master_slave: | |
255 | if 'Network is down': | |
256 | return True | |
257 | return False | |
258 | ||
31a5f4c3 | 259 | def get_ifaceobjs(self, ifacename): |
a6f80f0e | 260 | return self.ifaceobjdict.get(ifacename) |
261 | ||
a9ab1b4f RP |
262 | def get_ifaceobjs_saved(self, ifacename): |
263 | """ Return ifaceobjects from statemanager """ | |
264 | if self.STATEMANAGER_ENABLE: | |
265 | return self.statemanager.get_ifaceobjs(ifacename) | |
266 | else: | |
267 | None | |
268 | ||
31a5f4c3 | 269 | def get_ifaceobj_first(self, ifacename): |
270 | ifaceobjs = self.get_ifaceobjs(ifacename) | |
271 | if ifaceobjs: | |
a6f80f0e | 272 | return ifaceobjs[0] |
273 | return None | |
274 | ||
c798b0f4 | 275 | def get_ifacenames(self): |
276 | return self.ifaceobjdict.keys() | |
277 | ||
a6f80f0e | 278 | def get_iface_obj_last(self, ifacename): |
279 | return self.ifaceobjdict.get(ifacename)[-1] | |
280 | ||
a9ab1b4f | 281 | |
8c13865c RP |
282 | def must_follow_upperifaces(self, ifacename): |
283 | # | |
284 | # XXX: This bleeds the knowledge of iface | |
285 | # types in the infrastructure module. | |
286 | # Cant think of a better fix at the moment. | |
287 | # In future maybe the module can set a flag | |
288 | # to indicate if we should follow upperifaces | |
289 | # | |
290 | ifaceobj = self.get_ifaceobj_first(ifacename) | |
cb46a208 | 291 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
8c13865c RP |
292 | return False |
293 | return True | |
294 | ||
53b00224 | 295 | def create_n_save_ifaceobj(self, ifacename, priv_flags=None, |
296 | increfcnt=False): | |
297 | """ creates a iface object and adds it to the iface dictionary """ | |
298 | ifaceobj = iface() | |
299 | ifaceobj.name = ifacename | |
300 | ifaceobj.priv_flags = priv_flags | |
301 | ifaceobj.auto = True | |
302 | if increfcnt: | |
303 | ifaceobj.inc_refcnt() | |
304 | self.ifaceobjdict[ifacename] = [ifaceobj] | |
305 | return ifaceobj | |
306 | ||
d08d5f54 | 307 | def create_n_save_ifaceobjcurr(self, ifaceobj): |
923290bd | 308 | """ creates a copy of iface object and adds it to the iface |
309 | dict containing current iface objects | |
53b00224 | 310 | """ |
739f665b | 311 | ifaceobjcurr = iface() |
53b00224 | 312 | ifaceobjcurr.name = ifaceobj.name |
cb46a208 | 313 | ifaceobjcurr.type = ifaceobj.type |
62ddec8b | 314 | ifaceobjcurr.lowerifaces = ifaceobj.lowerifaces |
315 | ifaceobjcurr.priv_flags = ifaceobj.priv_flags | |
2cd06f78 | 316 | ifaceobjcurr.auto = ifaceobj.auto |
923290bd | 317 | self.ifaceobjcurrdict.setdefault(ifaceobj.name, |
318 | []).append(ifaceobjcurr) | |
d08d5f54 | 319 | return ifaceobjcurr |
a6f80f0e | 320 | |
923290bd | 321 | def get_ifaceobjcurr(self, ifacename, idx=0): |
322 | ifaceobjlist = self.ifaceobjcurrdict.get(ifacename) | |
323 | if not ifaceobjlist: | |
324 | return None | |
325 | if not idx: | |
326 | return ifaceobjlist | |
327 | else: | |
328 | return ifaceobjlist[idx] | |
a6f80f0e | 329 | |
739f665b | 330 | def get_ifaceobjrunning(self, ifacename): |
331 | return self.ifaceobjrunningdict.get(ifacename) | |
332 | ||
a6f80f0e | 333 | def get_iface_refcnt(self, ifacename): |
53b00224 | 334 | """ Return iface ref count """ |
a6f80f0e | 335 | max = 0 |
31a5f4c3 | 336 | ifaceobjs = self.get_ifaceobjs(ifacename) |
20dd6242 | 337 | if not ifaceobjs: |
338 | return 0 | |
a6f80f0e | 339 | for i in ifaceobjs: |
62ddec8b | 340 | if i.refcnt > max: |
341 | max = i.refcnt | |
a6f80f0e | 342 | return max |
343 | ||
d08d5f54 | 344 | def is_iface_builtin_byname(self, ifacename): |
cca03c30 | 345 | """ Returns true if iface name is a builtin interface. |
a6f80f0e | 346 | |
cca03c30 | 347 | A builtin interface is an interface which ifupdown understands. |
348 | The following are currently considered builtin ifaces: | |
349 | - vlan interfaces in the format <ifacename>.<vlanid> | |
a6f80f0e | 350 | """ |
d08d5f54 | 351 | return '.' in ifacename |
a6f80f0e | 352 | |
37c0543d | 353 | def is_ifaceobj_builtin(self, ifaceobj): |
354 | """ Returns true if iface name is a builtin interface. | |
355 | ||
356 | A builtin interface is an interface which ifupdown understands. | |
357 | The following are currently considered builtin ifaces: | |
358 | - vlan interfaces in the format <ifacename>.<vlanid> | |
359 | """ | |
d08d5f54 | 360 | return (ifaceobj.priv_flags & self.BUILTIN) |
37c0543d | 361 | |
362 | def is_ifaceobj_noconfig(self, ifaceobj): | |
53b00224 | 363 | """ Returns true if iface object did not have a user defined config. |
37c0543d | 364 | |
365 | These interfaces appear only when they are dependents of interfaces | |
366 | which have user defined config | |
367 | """ | |
d08d5f54 | 368 | return (ifaceobj.priv_flags & self.NOCONFIG) |
37c0543d | 369 | |
d08d5f54 | 370 | def is_iface_noconfig(self, ifacename): |
371 | """ Returns true if iface has no config """ | |
37c0543d | 372 | |
31a5f4c3 | 373 | ifaceobj = self.get_ifaceobj_first(ifacename) |
d08d5f54 | 374 | if not ifaceobj: return True |
d08d5f54 | 375 | return self.is_ifaceobj_noconfig(ifaceobj) |
376 | ||
7f045fd8 | 377 | def preprocess_dependency_list(self, upperifaceobj, dlist, ops): |
739f665b | 378 | """ We go through the dependency list and |
379 | delete or add interfaces from the interfaces dict by | |
380 | applying the following rules: | |
381 | if flag _DELETE_DEPENDENT_IFACES_WITH_NOCONFIG is True: | |
382 | we only consider devices whose configuration was | |
383 | specified in the network interfaces file. We delete | |
384 | any interface whose config was not specified except | |
385 | for vlan devices. vlan devices get special treatment. | |
386 | Even if they are not present they are created and added | |
387 | to the ifacesdict | |
388 | elif flag _DELETE_DEPENDENT_IFACES_WITH_NOCONFIG is False: | |
389 | we create objects for all dependent devices that are not | |
390 | present in the ifacesdict | |
391 | """ | |
a6f80f0e | 392 | del_list = [] |
393 | ||
a6f80f0e | 394 | for d in dlist: |
31a5f4c3 | 395 | dilist = self.get_ifaceobjs(d) |
d08d5f54 | 396 | if not dilist: |
7f045fd8 | 397 | ni = None |
d08d5f54 | 398 | if self.is_iface_builtin_byname(d): |
a070c90e RP |
399 | ni = self.create_n_save_ifaceobj(d, |
400 | self.BUILTIN | self.NOCONFIG, True) | |
f3215127 | 401 | elif not self._DELETE_DEPENDENT_IFACES_WITH_NOCONFIG: |
7f045fd8 RP |
402 | ni = self.create_n_save_ifaceobj(d, self.NOCONFIG, |
403 | True) | |
a6f80f0e | 404 | else: |
a6f80f0e | 405 | del_list.append(d) |
7f045fd8 RP |
406 | if ni: |
407 | ni.add_to_upperifaces(upperifaceobj.name) | |
c9bba753 RP |
408 | if upperifaceobj.link_type == ifaceLinkType.LINK_MASTER: |
409 | ni.link_type = ifaceLinkType.LINK_SLAVE | |
a6f80f0e | 410 | else: |
411 | for di in dilist: | |
412 | di.inc_refcnt() | |
7f045fd8 | 413 | di.add_to_upperifaces(upperifaceobj.name) |
33a2e9e9 | 414 | if upperifaceobj.link_type == ifaceLinkType.LINK_MASTER: |
c9bba753 | 415 | di.link_type = ifaceLinkType.LINK_SLAVE |
a6f80f0e | 416 | for d in del_list: |
417 | dlist.remove(d) | |
418 | ||
2da58137 | 419 | def query_dependents(self, ifaceobj, ops, ifacenames, type=None): |
a6f80f0e | 420 | """ Gets iface dependents by calling into respective modules """ |
41febf89 | 421 | ret_dlist = [] |
a6f80f0e | 422 | |
20dd6242 | 423 | # Get dependents for interface by querying respective modules |
ee3fcf44 | 424 | for module in self.modules.values(): |
7949b8a5 | 425 | try: |
426 | if ops[0] == 'query-running': | |
427 | if (not hasattr(module, | |
428 | 'get_dependent_ifacenames_running')): | |
429 | continue | |
430 | dlist = module.get_dependent_ifacenames_running(ifaceobj) | |
431 | else: | |
432 | if (not hasattr(module, 'get_dependent_ifacenames')): | |
433 | continue | |
434 | dlist = module.get_dependent_ifacenames(ifaceobj, | |
ee3fcf44 | 435 | ifacenames) |
7949b8a5 | 436 | except Exception, e: |
437 | self.logger.warn('%s: error getting dependent interfaces (%s)' | |
438 | %(ifaceobj.name, str(e))) | |
439 | dlist = None | |
440 | pass | |
41febf89 | 441 | if dlist: ret_dlist.extend(dlist) |
84ca006f | 442 | return list(set(ret_dlist)) |
20dd6242 | 443 | |
e1601369 RP |
444 | def populate_dependency_info(self, ops, ifacenames=None): |
445 | """ recursive function to generate iface dependency info """ | |
446 | ||
447 | if not ifacenames: | |
448 | ifacenames = self.ifaceobjdict.keys() | |
449 | ||
450 | iqueue = deque(ifacenames) | |
451 | while iqueue: | |
452 | i = iqueue.popleft() | |
453 | # Go through all modules and find dependent ifaces | |
454 | dlist = None | |
455 | ifaceobj = self.get_ifaceobj_first(i) | |
456 | if not ifaceobj: | |
457 | continue | |
458 | dlist = ifaceobj.lowerifaces | |
459 | if not dlist: | |
460 | dlist = self.query_dependents(ifaceobj, ops, ifacenames) | |
461 | else: | |
462 | continue | |
463 | if dlist: | |
7f045fd8 | 464 | self.preprocess_dependency_list(ifaceobj, |
e1601369 RP |
465 | dlist, ops) |
466 | ifaceobj.lowerifaces = dlist | |
467 | [iqueue.append(d) for d in dlist] | |
468 | if not self.dependency_graph.get(i): | |
469 | self.dependency_graph[i] = dlist | |
470 | ||
8e113d63 RP |
471 | def _check_config_no_repeats(self, ifaceobj): |
472 | """ check if object has an attribute that is | |
473 | restricted to a single object in the system. | |
474 | if yes, warn and return """ | |
475 | for k,v in self._cache_no_repeats.items(): | |
476 | iv = ifaceobj.config.get(k) | |
477 | if iv and iv[0] == v: | |
478 | self.logger.error('ignoring interface %s. ' %ifaceobj.name + | |
479 | 'Only one object with attribute ' + | |
480 | '\'%s %s\' allowed.' %(k, v)) | |
481 | return True | |
482 | for k, v in self.config.get('no_repeats', {}).items(): | |
483 | iv = ifaceobj.config.get(k) | |
484 | if iv and iv[0] == v: | |
485 | self._cache_no_repeats[k] = v | |
486 | return False | |
a6f80f0e | 487 | |
41febf89 | 488 | def _save_iface(self, ifaceobj): |
8e113d63 RP |
489 | if self._check_config_no_repeats(ifaceobj): |
490 | return | |
7e2e64fb RP |
491 | if not self._link_master_slave: |
492 | ifaceobj.link_type = ifaceLinkType.LINK_NA | |
679e6567 RP |
493 | currentifaceobjlist = self.ifaceobjdict.get(ifaceobj.name) |
494 | if not currentifaceobjlist: | |
495 | self.ifaceobjdict[ifaceobj.name]= [ifaceobj] | |
496 | return | |
497 | if ifaceobj.compare(currentifaceobjlist[0]): | |
498 | self.logger.warn('duplicate interface %s found' %ifaceobj.name) | |
499 | return | |
8e113d63 RP |
500 | if currentifaceobjlist[0].type == ifaceobj.type: |
501 | currentifaceobjlist[0].flags |= iface.HAS_SIBLINGS | |
502 | ifaceobj.flags |= iface.HAS_SIBLINGS | |
679e6567 | 503 | self.ifaceobjdict[ifaceobj.name].append(ifaceobj) |
41febf89 | 504 | |
3dcc1d0e | 505 | def _iface_configattr_syntax_checker(self, attrname, attrval): |
d08d5f54 | 506 | for m, mdict in self.module_attrs.items(): |
7949b8a5 | 507 | if not mdict: |
508 | continue | |
d08d5f54 | 509 | attrsdict = mdict.get('attrs') |
7949b8a5 | 510 | try: |
511 | if attrsdict.get(attrname): | |
512 | return True | |
513 | except AttributeError: | |
514 | pass | |
d08d5f54 | 515 | return False |
516 | ||
3dcc1d0e | 517 | def _ifaceobj_syntax_checker(self, ifaceobj): |
518 | err = False | |
8e113d63 | 519 | for attrname, attrvalue in ifaceobj.config.items(): |
3dcc1d0e | 520 | found = False |
521 | for k, v in self.module_attrs.items(): | |
522 | if v and v.get('attrs', {}).get(attrname): | |
523 | found = True | |
524 | break | |
525 | if not found: | |
526 | err = True | |
527 | self.logger.warn('%s: unsupported attribute \'%s\'' %attrname) | |
528 | continue | |
529 | return err | |
530 | ||
14dc390d | 531 | def read_iface_config(self): |
a6f80f0e | 532 | """ Reads default network interface config /etc/network/interfaces. """ |
14dc390d | 533 | nifaces = networkInterfaces(self.interfacesfile, |
3dcc1d0e | 534 | self.interfacesfileiobuf, |
535 | self.interfacesfileformat, | |
14dc390d | 536 | template_engine=self.config.get('template_engine'), |
537 | template_lookuppath=self.config.get('template_lookuppath')) | |
d08d5f54 | 538 | nifaces.subscribe('iface_found', self._save_iface) |
3dcc1d0e | 539 | nifaces.subscribe('validateifaceattr', |
540 | self._iface_configattr_syntax_checker) | |
541 | nifaces.subscribe('validateifaceobj', self._ifaceobj_syntax_checker) | |
a6f80f0e | 542 | nifaces.load() |
543 | ||
a6f80f0e | 544 | def read_old_iface_config(self): |
14dc390d | 545 | """ Reads the saved iface config instead of default iface config. |
546 | And saved iface config is already read by the statemanager """ | |
cb7cc592 | 547 | self.ifaceobjdict = copy.deepcopy(self.statemanager.ifaceobjdict) |
a6f80f0e | 548 | |
53b00224 | 549 | def _load_addon_modules_config(self): |
550 | """ Load addon modules config file """ | |
a6f80f0e | 551 | |
37c0543d | 552 | with open(self.addon_modules_configfile, 'r') as f: |
553 | lines = f.readlines() | |
554 | for l in lines: | |
c0071225 | 555 | litems = l.rstrip(' \n\t\r').split(',') |
37c0543d | 556 | operation = litems[0] |
557 | mname = litems[1] | |
be0b20f2 | 558 | self.module_ops[operation].append(mname) |
37c0543d | 559 | |
560 | def load_addon_modules(self, modules_dir): | |
a6f80f0e | 561 | """ load python modules from modules_dir |
562 | ||
563 | Default modules_dir is /usr/share/ifupdownmodules | |
564 | ||
565 | """ | |
a6f80f0e | 566 | self.logger.info('loading builtin modules from %s' %modules_dir) |
53b00224 | 567 | self._load_addon_modules_config() |
a6f80f0e | 568 | if not modules_dir in sys.path: |
37c0543d | 569 | sys.path.append(modules_dir) |
a6f80f0e | 570 | try: |
be0b20f2 | 571 | for op, mlist in self.module_ops.items(): |
d08d5f54 | 572 | for mname in mlist: |
53b00224 | 573 | if self.modules.get(mname): |
d08d5f54 | 574 | continue |
575 | mpath = modules_dir + '/' + mname + '.py' | |
576 | if os.path.exists(mpath): | |
577 | try: | |
578 | m = __import__(mname) | |
579 | mclass = getattr(m, mname) | |
580 | except: | |
581 | raise | |
582 | minstance = mclass(force=self.FORCE, | |
583 | dryrun=self.DRYRUN, | |
584 | nowait=self.NOWAIT, | |
585 | perfmode=self.PERFMODE, | |
a690dfae | 586 | cache=self.CACHE, |
587 | cacheflags=self.CACHE_FLAGS) | |
d08d5f54 | 588 | self.modules[mname] = minstance |
53b00224 | 589 | try: |
d08d5f54 | 590 | self.module_attrs[mname] = minstance.get_modinfo() |
53b00224 | 591 | except: |
592 | pass | |
a6f80f0e | 593 | except: |
594 | raise | |
595 | ||
37c0543d | 596 | # Assign all modules to query operations |
be0b20f2 | 597 | self.module_ops['query-checkcurr'] = self.modules.keys() |
598 | self.module_ops['query-running'] = self.modules.keys() | |
599 | self.module_ops['query-dependency'] = self.modules.keys() | |
600 | self.module_ops['query'] = self.modules.keys() | |
601 | self.module_ops['query-raw'] = self.modules.keys() | |
d08d5f54 | 602 | |
14dc390d | 603 | |
53b00224 | 604 | def _modules_help(self): |
605 | """ Prints addon modules supported syntax """ | |
606 | ||
d08d5f54 | 607 | indent = ' ' |
608 | for m, mdict in self.module_attrs.items(): | |
609 | if not mdict: | |
610 | continue | |
611 | print('%s: %s' %(m, mdict.get('mhelp'))) | |
612 | attrdict = mdict.get('attrs') | |
613 | if not attrdict: | |
614 | continue | |
615 | try: | |
616 | for attrname, attrvaldict in attrdict.items(): | |
617 | if attrvaldict.get('compat', False): | |
618 | continue | |
619 | print('%s%s' %(indent, attrname)) | |
620 | print('%shelp: %s' %(indent + ' ', | |
621 | attrvaldict.get('help', ''))) | |
622 | print ('%srequired: %s' %(indent + ' ', | |
623 | attrvaldict.get('required', False))) | |
624 | default = attrvaldict.get('default') | |
625 | if default: | |
626 | print('%sdefault: %s' %(indent + ' ', default)) | |
627 | ||
628 | validrange = attrvaldict.get('validrange') | |
629 | if validrange: | |
1b0b81a2 | 630 | print('%svalidrange: %s-%s' |
7949b8a5 | 631 | %(indent + ' ', validrange[0], validrange[1])) |
d08d5f54 | 632 | |
633 | validvals = attrvaldict.get('validvals') | |
634 | if validvals: | |
635 | print('%svalidvals: %s' | |
636 | %(indent + ' ', ','.join(validvals))) | |
637 | ||
638 | examples = attrvaldict.get('example') | |
639 | if not examples: | |
640 | continue | |
a6f80f0e | 641 | |
d08d5f54 | 642 | print '%sexample:' %(indent + ' ') |
643 | for e in examples: | |
644 | print '%s%s' %(indent + ' ', e) | |
645 | except: | |
646 | pass | |
647 | print '' | |
648 | ||
37c0543d | 649 | def load_scripts(self, modules_dir): |
a6f80f0e | 650 | """ loading user modules from /etc/network/. |
651 | ||
652 | Note that previously loaded python modules override modules found | |
653 | under /etc/network if any | |
654 | ||
655 | """ | |
656 | ||
37c0543d | 657 | self.logger.info('looking for user scripts under %s' %modules_dir) |
be0b20f2 | 658 | for op, mlist in self.script_ops.items(): |
d08d5f54 | 659 | msubdir = modules_dir + '/if-%s.d' %op |
660 | self.logger.info('loading scripts under %s ...' %msubdir) | |
661 | try: | |
662 | module_list = os.listdir(msubdir) | |
663 | for module in module_list: | |
664 | if self.modules.get(module) is not None: | |
665 | continue | |
be0b20f2 | 666 | self.script_ops[op].append( |
a6f80f0e | 667 | msubdir + '/' + module) |
d08d5f54 | 668 | except: |
f802fe3c | 669 | # continue reading |
670 | pass | |
a6f80f0e | 671 | |
ad25e7bb | 672 | def _sched_ifaces(self, ifacenames, ops, skipupperifaces=False): |
c798b0f4 | 673 | self.logger.debug('scheduling \'%s\' for %s' |
d08d5f54 | 674 | %(str(ops), str(ifacenames))) |
7538dc77 | 675 | self._pretty_print_ordered_dict('dependency graph', |
676 | self.dependency_graph) | |
c798b0f4 | 677 | return ifaceScheduler.sched_ifaces(self, ifacenames, ops, |
678 | dependency_graph=self.dependency_graph, | |
d08d5f54 | 679 | order=ifaceSchedulerFlags.INORDER |
680 | if 'down' in ops[0] | |
c798b0f4 | 681 | else ifaceSchedulerFlags.POSTORDER, |
ad25e7bb RP |
682 | followdependents=True if self.WITH_DEPENDS else False, |
683 | skipupperifaces=skipupperifaces) | |
a6f80f0e | 684 | |
41febf89 RP |
685 | def _render_ifacename(self, ifacename): |
686 | new_ifacenames = [] | |
679e6567 | 687 | vlan_match = re.match("^([\d]+)-([\d]+)", ifacename) |
41febf89 RP |
688 | if vlan_match: |
689 | vlan_groups = vlan_match.groups() | |
690 | if vlan_groups[0] and vlan_groups[1]: | |
679e6567 | 691 | [new_ifacenames.append('%d' %v) |
41febf89 RP |
692 | for v in range(int(vlan_groups[0]), |
693 | int(vlan_groups[1])+1)] | |
694 | return new_ifacenames | |
695 | ||
696 | def _preprocess_ifacenames(self, ifacenames): | |
a6f80f0e | 697 | """ validates interface list for config existance. |
698 | ||
699 | returns -1 if one or more interface not found. else, returns 0 | |
700 | ||
701 | """ | |
41febf89 | 702 | new_ifacenames = [] |
a6f80f0e | 703 | err_iface = '' |
704 | for i in ifacenames: | |
31a5f4c3 | 705 | ifaceobjs = self.get_ifaceobjs(i) |
706 | if not ifaceobjs: | |
41febf89 | 707 | # if name not available, render interface name and check again |
679e6567 | 708 | rendered_ifacenames = utils.expand_iface_range(i) |
41febf89 RP |
709 | if rendered_ifacenames: |
710 | for ri in rendered_ifacenames: | |
711 | ifaceobjs = self.get_ifaceobjs(ri) | |
712 | if not ifaceobjs: | |
713 | err_iface += ' ' + ri | |
714 | else: | |
715 | new_ifacenames.append(ri) | |
716 | else: | |
717 | err_iface += ' ' + i | |
718 | else: | |
719 | new_ifacenames.append(i) | |
fe0a57d3 | 720 | if err_iface: |
31c58787 | 721 | raise Exception('cannot find interfaces:%s' %err_iface) |
41febf89 | 722 | return new_ifacenames |
a6f80f0e | 723 | |
53b00224 | 724 | def _iface_whitelisted(self, auto, allow_classes, excludepats, ifacename): |
a6f80f0e | 725 | """ Checks if interface is whitelisted depending on set of parameters. |
726 | ||
a6f80f0e | 727 | interfaces are checked against the allow_classes and auto lists. |
728 | ||
729 | """ | |
fe0a57d3 | 730 | if excludepats: |
3e8ee54f | 731 | for e in excludepats: |
d08d5f54 | 732 | if re.search(e, ifacename): |
3e8ee54f | 733 | return False |
31a5f4c3 | 734 | ifaceobjs = self.get_ifaceobjs(ifacename) |
735 | if not ifaceobjs: | |
a6f80f0e | 736 | self.logger.debug('iface %s' %ifacename + ' not found') |
737 | return False | |
a6f80f0e | 738 | # We check classes first |
fe0a57d3 | 739 | if allow_classes: |
a6f80f0e | 740 | for i in ifaceobjs: |
62ddec8b | 741 | if i.classes: |
3e8ee54f | 742 | common = Set([allow_classes]).intersection( |
62ddec8b | 743 | Set(i.classes)) |
fe0a57d3 | 744 | if common: |
a6f80f0e | 745 | return True |
746 | return False | |
d08d5f54 | 747 | if auto: |
a6f80f0e | 748 | for i in ifaceobjs: |
62ddec8b | 749 | if i.auto: |
a6f80f0e | 750 | return True |
751 | return False | |
a6f80f0e | 752 | return True |
753 | ||
53b00224 | 754 | def _compat_conv_op_to_mode(self, op): |
755 | """ Returns old op name to work with existing scripts """ | |
756 | if op == 'pre-up': | |
757 | return 'start' | |
758 | elif op == 'pre-down': | |
759 | return 'stop' | |
760 | else: | |
761 | return op | |
762 | ||
a6f80f0e | 763 | def generate_running_env(self, ifaceobj, op): |
739f665b | 764 | """ Generates a dictionary with env variables required for |
765 | an interface. Used to support script execution for interfaces. | |
a6f80f0e | 766 | """ |
767 | ||
768 | cenv = None | |
62ddec8b | 769 | iface_env = ifaceobj.env |
770 | if iface_env: | |
a6f80f0e | 771 | cenv = os.environ |
d08d5f54 | 772 | if cenv: |
a6f80f0e | 773 | cenv.update(iface_env) |
774 | else: | |
775 | cenv = iface_env | |
53b00224 | 776 | cenv['MODE'] = self._compat_conv_op_to_mode(op) |
a6f80f0e | 777 | return cenv |
778 | ||
53b00224 | 779 | def _save_state(self): |
20dd6242 | 780 | if not self.STATEMANAGER_ENABLE or not self.STATEMANAGER_UPDATE: |
781 | return | |
782 | try: | |
783 | # Update persistant iface states | |
784 | self.statemanager.save_state() | |
785 | except Exception, e: | |
786 | if self.logger.isEnabledFor(logging.DEBUG): | |
787 | t = sys.exc_info()[2] | |
788 | traceback.print_tb(t) | |
789 | self.logger.warning('error saving state (%s)' %str(e)) | |
790 | ||
2da58137 RP |
791 | def set_type(self, type): |
792 | if type == 'iface': | |
793 | self.type = ifaceType.IFACE | |
794 | elif type == 'vlan': | |
795 | self.type = ifaceType.BRIDGE_VLAN | |
796 | else: | |
797 | self.type = ifaceType.UNKNOWN | |
798 | ||
a070c90e RP |
799 | def _process_delay_admin_state_queue(self, op): |
800 | if not self._delay_admin_state_iface_queue: | |
801 | return | |
802 | if op == 'up': | |
803 | func = self.link_up | |
804 | elif op == 'down': | |
805 | func = self.link_down | |
806 | else: | |
807 | return | |
808 | for i in self._delay_admin_state_iface_queue: | |
809 | try: | |
810 | if self.link_exists(i): | |
811 | func(i) | |
812 | except Exception, e: | |
813 | self.logger.warn(str(e)) | |
814 | pass | |
815 | ||
d08d5f54 | 816 | def up(self, ops, auto=False, allow_classes=None, ifacenames=None, |
2da58137 | 817 | excludepats=None, printdependency=None, syntaxcheck=False, |
ad25e7bb | 818 | type=None, skipupperifaces=False): |
2c0ad8b3 RP |
819 | """This brings the interface(s) up |
820 | ||
821 | Args: | |
41febf89 RP |
822 | ops (list): list of ops to perform on the interface(s). |
823 | Eg: ['pre-up', 'up', 'post-up' | |
2c0ad8b3 RP |
824 | |
825 | Kwargs: | |
826 | auto (bool): act on interfaces marked auto | |
827 | allow_classes (list): act on interfaces belonging to classes in the list | |
828 | ifacenames (list): act on interfaces specified in this list | |
829 | excludepats (list): list of patterns of interfaces to exclude | |
830 | syntaxcheck (bool): only perform syntax check | |
831 | """ | |
53b00224 | 832 | |
2da58137 RP |
833 | self.set_type(type) |
834 | ||
5ee3e1a8 RP |
835 | if allow_classes: |
836 | self.IFACE_CLASS = True | |
7538dc77 | 837 | if not self.ADDONS_ENABLE: self.STATEMANAGER_UPDATE = False |
d08d5f54 | 838 | if auto: |
a6f80f0e | 839 | self.ALL = True |
cca03c30 | 840 | self.WITH_DEPENDS = True |
d08d5f54 | 841 | try: |
842 | self.read_iface_config() | |
62ddec8b | 843 | except Exception: |
d08d5f54 | 844 | raise |
a6f80f0e | 845 | |
9dce3561 | 846 | # If only syntax check was requested, return here |
847 | if syntaxcheck: | |
848 | return | |
849 | ||
31a5f4c3 | 850 | if ifacenames: |
41febf89 | 851 | ifacenames = self._preprocess_ifacenames(ifacenames) |
a6f80f0e | 852 | |
853 | # if iface list not given by user, assume all from config file | |
31a5f4c3 | 854 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
a6f80f0e | 855 | |
856 | # filter interfaces based on auto and allow classes | |
cca03c30 | 857 | filtered_ifacenames = [i for i in ifacenames |
53b00224 | 858 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 859 | excludepats, i)] |
fe0a57d3 | 860 | if not filtered_ifacenames: |
d08d5f54 | 861 | raise Exception('no ifaces found matching given allow lists') |
a6f80f0e | 862 | |
20dd6242 | 863 | if printdependency: |
c798b0f4 | 864 | self.populate_dependency_info(ops, filtered_ifacenames) |
d08d5f54 | 865 | self.print_dependency(filtered_ifacenames, printdependency) |
739f665b | 866 | return |
cca03c30 | 867 | else: |
c798b0f4 | 868 | self.populate_dependency_info(ops) |
869 | ||
525f0a30 | 870 | try: |
ad25e7bb RP |
871 | self._sched_ifaces(filtered_ifacenames, ops, |
872 | skipupperifaces=skipupperifaces) | |
525f0a30 | 873 | finally: |
a070c90e | 874 | self._process_delay_admin_state_queue('up') |
525f0a30 | 875 | if not self.DRYRUN and self.ADDONS_ENABLE: |
876 | self._save_state() | |
a6f80f0e | 877 | |
d08d5f54 | 878 | def down(self, ops, auto=False, allow_classes=None, ifacenames=None, |
2da58137 RP |
879 | excludepats=None, printdependency=None, usecurrentconfig=False, |
880 | type=None): | |
53b00224 | 881 | """ down an interface """ |
882 | ||
2da58137 RP |
883 | self.set_type(type) |
884 | ||
5ee3e1a8 RP |
885 | if allow_classes: |
886 | self.IFACE_CLASS = True | |
7538dc77 | 887 | if not self.ADDONS_ENABLE: self.STATEMANAGER_UPDATE = False |
d08d5f54 | 888 | if auto: |
889 | self.ALL = True | |
890 | self.WITH_DEPENDS = True | |
5c721925 | 891 | # For down we need to look at old state, unless usecurrentconfig |
892 | # is set | |
893 | if (not usecurrentconfig and self.STATEMANAGER_ENABLE and | |
53b00224 | 894 | self.statemanager.ifaceobjdict): |
31a5f4c3 | 895 | # Since we are using state manager objects, |
896 | # skip the updating of state manager objects | |
5c721925 | 897 | self.logger.debug('Looking at old state ..') |
d08d5f54 | 898 | self.read_old_iface_config() |
fe0a57d3 | 899 | else: |
d08d5f54 | 900 | # If no old state available |
d08d5f54 | 901 | try: |
902 | self.read_iface_config() | |
903 | except Exception, e: | |
904 | raise Exception('error reading iface config (%s)' %str(e)) | |
d08d5f54 | 905 | if ifacenames: |
906 | # If iface list is given by the caller, always check if iface | |
907 | # is present | |
31c58787 | 908 | try: |
41febf89 | 909 | ifacenames = self._preprocess_ifacenames(ifacenames) |
31c58787 | 910 | except Exception, e: |
911 | raise Exception('%s' %str(e) + | |
912 | ' (interface was probably never up ?)') | |
913 | ||
d08d5f54 | 914 | # if iface list not given by user, assume all from config file |
fe0a57d3 | 915 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
53b00224 | 916 | |
d08d5f54 | 917 | # filter interfaces based on auto and allow classes |
918 | filtered_ifacenames = [i for i in ifacenames | |
53b00224 | 919 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 920 | excludepats, i)] |
fe0a57d3 | 921 | if not filtered_ifacenames: |
c0071225 | 922 | raise Exception('no ifaces found matching given allow lists ' + |
41febf89 | 923 | '(or interfaces were probably never up ?)') |
14dc390d | 924 | |
d08d5f54 | 925 | if printdependency: |
99b212b0 | 926 | self.populate_dependency_info(ops, filtered_ifacenames) |
d08d5f54 | 927 | self.print_dependency(filtered_ifacenames, printdependency) |
928 | return | |
99b212b0 | 929 | else: |
930 | self.populate_dependency_info(ops) | |
525f0a30 | 931 | |
932 | try: | |
933 | self._sched_ifaces(filtered_ifacenames, ops) | |
934 | finally: | |
a070c90e | 935 | self._process_delay_admin_state_queue('down') |
525f0a30 | 936 | if not self.DRYRUN and self.ADDONS_ENABLE: |
937 | self._save_state() | |
d08d5f54 | 938 | |
939 | def query(self, ops, auto=False, allow_classes=None, ifacenames=None, | |
739f665b | 940 | excludepats=None, printdependency=None, |
2da58137 | 941 | format='native', type=None): |
53b00224 | 942 | """ query an interface """ |
943 | ||
2da58137 RP |
944 | self.set_type(type) |
945 | ||
5ee3e1a8 RP |
946 | if allow_classes: |
947 | self.IFACE_CLASS = True | |
5c721925 | 948 | if self.STATEMANAGER_ENABLE and ops[0] == 'query-savedstate': |
949 | return self.statemanager.dump_pretty(ifacenames) | |
20dd6242 | 950 | self.STATEMANAGER_UPDATE = False |
d08d5f54 | 951 | if auto: |
739f665b | 952 | self.logger.debug('setting flag ALL') |
953 | self.ALL = True | |
37c0543d | 954 | self.WITH_DEPENDS = True |
739f665b | 955 | |
d08d5f54 | 956 | if ops[0] == 'query-syntax': |
53b00224 | 957 | self._modules_help() |
d08d5f54 | 958 | return |
959 | elif ops[0] == 'query-running': | |
739f665b | 960 | # create fake devices to all dependents that dont have config |
37c0543d | 961 | map(lambda i: self.create_n_save_ifaceobj(i, self.NOCONFIG), |
962 | ifacenames) | |
739f665b | 963 | else: |
964 | try: | |
965 | self.read_iface_config() | |
966 | except Exception: | |
967 | raise | |
968 | ||
53b00224 | 969 | if ifacenames and ops[0] != 'query-running': |
41febf89 RP |
970 | # If iface list is given, always check if iface is present |
971 | ifacenames = self._preprocess_ifacenames(ifacenames) | |
739f665b | 972 | |
973 | # if iface list not given by user, assume all from config file | |
31a5f4c3 | 974 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
739f665b | 975 | |
976 | # filter interfaces based on auto and allow classes | |
d08d5f54 | 977 | if ops[0] == 'query-running': |
739f665b | 978 | filtered_ifacenames = ifacenames |
979 | else: | |
980 | filtered_ifacenames = [i for i in ifacenames | |
53b00224 | 981 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 982 | excludepats, i)] |
fe0a57d3 | 983 | if not filtered_ifacenames: |
739f665b | 984 | raise Exception('no ifaces found matching ' + |
985 | 'given allow lists') | |
37c0543d | 986 | |
e1601369 | 987 | self.populate_dependency_info(ops) |
d08d5f54 | 988 | if ops[0] == 'query-dependency' and printdependency: |
989 | self.print_dependency(filtered_ifacenames, printdependency) | |
990 | return | |
739f665b | 991 | |
75730152 | 992 | if ops[0] == 'query': |
993 | return self.print_ifaceobjs_pretty(filtered_ifacenames, format) | |
994 | elif ops[0] == 'query-raw': | |
995 | return self.print_ifaceobjs_raw(filtered_ifacenames) | |
996 | ||
53b00224 | 997 | self._sched_ifaces(filtered_ifacenames, ops) |
739f665b | 998 | |
d08d5f54 | 999 | if ops[0] == 'query-checkcurr': |
1000 | ret = self.print_ifaceobjscurr_pretty(filtered_ifacenames, format) | |
739f665b | 1001 | if ret != 0: |
1002 | # if any of the object has an error, signal that silently | |
1003 | raise Exception('') | |
d08d5f54 | 1004 | elif ops[0] == 'query-running': |
1005 | self.print_ifaceobjsrunning_pretty(filtered_ifacenames, format) | |
739f665b | 1006 | return |
1007 | ||
2da58137 RP |
1008 | def _reload_currentlyup(self, upops, downops, auto=True, allow=None, |
1009 | ifacenames=None, excludepats=None, usecurrentconfig=False, | |
1010 | **extra_args): | |
1011 | """ reload currently up interfaces """ | |
739f665b | 1012 | allow_classes = [] |
c0071225 | 1013 | new_ifaceobjdict = {} |
739f665b | 1014 | |
2da58137 RP |
1015 | # Override auto to true |
1016 | auto = True | |
97382e88 RP |
1017 | if auto: |
1018 | self.ALL = True | |
1019 | self.WITH_DEPENDS = True | |
2da58137 RP |
1020 | try: |
1021 | self.read_iface_config() | |
1022 | except: | |
1023 | raise | |
2da58137 RP |
1024 | if not self.ifaceobjdict: |
1025 | self.logger.warn("nothing to reload ..exiting.") | |
1026 | return | |
2da58137 RP |
1027 | already_up_ifacenames = [] |
1028 | # generate dependency graph of interfaces | |
1029 | self.populate_dependency_info(upops) | |
1030 | if (not usecurrentconfig and self.STATEMANAGER_ENABLE | |
1031 | and self.statemanager.ifaceobjdict): | |
1032 | already_up_ifacenames = self.statemanager.ifaceobjdict.keys() | |
1033 | ||
1034 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() | |
1035 | filtered_ifacenames = [i for i in ifacenames | |
1036 | if self._iface_whitelisted(auto, allow_classes, | |
1037 | excludepats, i)] | |
1038 | ||
1039 | # Get already up interfaces that still exist in the interfaces file | |
1040 | already_up_ifacenames_not_present = Set( | |
1041 | already_up_ifacenames).difference(ifacenames) | |
1042 | already_up_ifacenames_still_present = Set( | |
1043 | already_up_ifacenames).difference( | |
1044 | already_up_ifacenames_not_present) | |
1045 | interfaces_to_up = Set(already_up_ifacenames_still_present).union( | |
1046 | filtered_ifacenames) | |
1047 | ||
1048 | if (already_up_ifacenames_not_present and | |
1049 | self.config.get('ifreload_currentlyup_down_notpresent') == '1'): | |
1050 | self.logger.info('reload: schedule down on interfaces: %s' | |
1051 | %str(already_up_ifacenames_not_present)) | |
1052 | ||
1053 | # Save a copy of new iface objects and dependency_graph | |
1054 | new_ifaceobjdict = dict(self.ifaceobjdict) | |
1055 | new_dependency_graph = dict(self.dependency_graph) | |
1056 | ||
1057 | # old interface config is read into self.ifaceobjdict | |
1058 | self.read_old_iface_config() | |
1059 | ||
1060 | # reinitialize dependency graph | |
1061 | self.dependency_graph = OrderedDict({}) | |
1062 | self.populate_dependency_info(downops, | |
1063 | already_up_ifacenames_not_present) | |
1064 | self._sched_ifaces(already_up_ifacenames_not_present, downops) | |
1065 | else: | |
1066 | self.logger.debug('no interfaces to down ..') | |
1067 | ||
1068 | # Now, run 'up' with new config dict | |
1069 | # reset statemanager update flag to default | |
1070 | if new_ifaceobjdict: | |
1071 | self.ifaceobjdict = new_ifaceobjdict | |
1072 | self.dependency_graph = new_dependency_graph | |
1073 | ||
1074 | if not self.ifaceobjdict: | |
1075 | return | |
1076 | self.logger.info('reload: scheduling up on interfaces: %s' | |
1077 | %str(interfaces_to_up)) | |
1078 | self._sched_ifaces(interfaces_to_up, upops) | |
1079 | if self.DRYRUN: | |
1080 | return | |
1081 | self._save_state() | |
1082 | ||
1083 | def _reload_default(self, upops, downops, auto=False, allow=None, | |
1084 | ifacenames=None, excludepats=None, usecurrentconfig=False, | |
1085 | **extra_args): | |
1086 | """ reload interface config """ | |
1087 | allow_classes = [] | |
1088 | new_ifaceobjdict = {} | |
739f665b | 1089 | |
97382e88 RP |
1090 | if auto: |
1091 | self.ALL = True | |
1092 | self.WITH_DEPENDS = True | |
739f665b | 1093 | try: |
1094 | self.read_iface_config() | |
20dd6242 | 1095 | except: |
739f665b | 1096 | raise |
1097 | ||
c0071225 RP |
1098 | if not self.ifaceobjdict: |
1099 | self.logger.warn("nothing to reload ..exiting.") | |
1100 | return | |
37c0543d | 1101 | # generate dependency graph of interfaces |
c798b0f4 | 1102 | self.populate_dependency_info(upops) |
14dc390d | 1103 | if (not usecurrentconfig and self.STATEMANAGER_ENABLE |
1104 | and self.statemanager.ifaceobjdict): | |
1105 | # Save a copy of new iface objects and dependency_graph | |
1106 | new_ifaceobjdict = dict(self.ifaceobjdict) | |
1107 | new_dependency_graph = dict(self.dependency_graph) | |
37c0543d | 1108 | |
739f665b | 1109 | # if old state is present, read old state and mark op for 'down' |
1110 | # followed by 'up' aka: reload | |
37c0543d | 1111 | # old interface config is read into self.ifaceobjdict |
739f665b | 1112 | self.read_old_iface_config() |
1113 | op = 'reload' | |
1114 | else: | |
1115 | # oldconfig not available, continue with 'up' with new config | |
1116 | op = 'up' | |
1117 | ||
20dd6242 | 1118 | if not ifacenames: ifacenames = self.ifaceobjdict.keys() |
fe0a57d3 | 1119 | if op == 'reload' and ifacenames: |
739f665b | 1120 | filtered_ifacenames = [i for i in ifacenames |
53b00224 | 1121 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 1122 | excludepats, i)] |
37c0543d | 1123 | # Generate the interface down list |
1124 | # Interfaces that go into the down list: | |
1125 | # - interfaces that were present in last config and are not | |
1126 | # present in the new config | |
1127 | # - interfaces that were changed between the last and current | |
1128 | # config | |
1129 | # | |
37c0543d | 1130 | ifacedownlist = [] |
2da58137 RP |
1131 | for ifname in filtered_ifacenames: |
1132 | lastifaceobjlist = self.ifaceobjdict.get(ifname) | |
37c0543d | 1133 | objidx = 0 |
37c0543d | 1134 | # If interface is not present in the new file |
1135 | # append it to the down list | |
53b00224 | 1136 | newifaceobjlist = new_ifaceobjdict.get(ifname) |
1137 | if not newifaceobjlist: | |
37c0543d | 1138 | ifacedownlist.append(ifname) |
1139 | continue | |
37c0543d | 1140 | # If interface has changed between the current file |
1141 | # and the last installed append it to the down list | |
53b00224 | 1142 | if len(newifaceobjlist) != len(lastifaceobjlist): |
37c0543d | 1143 | ifacedownlist.append(ifname) |
1144 | continue | |
37c0543d | 1145 | # compare object list |
53b00224 | 1146 | for objidx in range(0, len(lastifaceobjlist)): |
1147 | oldobj = lastifaceobjlist[objidx] | |
1148 | newobj = newifaceobjlist[objidx] | |
ca3f4fc7 | 1149 | if not newobj.compare(oldobj): |
37c0543d | 1150 | ifacedownlist.append(ifname) |
1151 | continue | |
1152 | ||
fe0a57d3 | 1153 | if ifacedownlist: |
2da58137 | 1154 | self.logger.info('reload: scheduling down on interfaces: %s' |
739f665b | 1155 | %str(ifacedownlist)) |
20dd6242 | 1156 | # reinitialize dependency graph |
1157 | self.dependency_graph = OrderedDict({}) | |
37c0543d | 1158 | # Generate dependency info for old config |
14dc390d | 1159 | self.populate_dependency_info(downops, ifacedownlist) |
a070c90e RP |
1160 | try: |
1161 | self._sched_ifaces(ifacedownlist, downops) | |
1162 | except Exception, e: | |
1163 | self.logger.error(str(e)) | |
1164 | pass | |
1165 | finally: | |
1166 | self._process_delay_admin_state_queue('down') | |
37c0543d | 1167 | else: |
1168 | self.logger.debug('no interfaces to down ..') | |
739f665b | 1169 | |
20dd6242 | 1170 | # Now, run 'up' with new config dict |
1171 | # reset statemanager update flag to default | |
c0071225 RP |
1172 | if not new_ifaceobjdict: |
1173 | return | |
53b00224 | 1174 | self.ifaceobjdict = new_ifaceobjdict |
1175 | self.dependency_graph = new_dependency_graph | |
739f665b | 1176 | ifacenames = self.ifaceobjdict.keys() |
1177 | filtered_ifacenames = [i for i in ifacenames | |
53b00224 | 1178 | if self._iface_whitelisted(auto, allow_classes, |
d08d5f54 | 1179 | excludepats, i)] |
c798b0f4 | 1180 | |
2da58137 RP |
1181 | self.logger.info('reload: scheduling up on interfaces: %s' |
1182 | %str(filtered_ifacenames)) | |
a070c90e RP |
1183 | try: |
1184 | self._sched_ifaces(filtered_ifacenames, upops) | |
1185 | except Exception, e: | |
1186 | self.logger.error(str(e)) | |
1187 | pass | |
1188 | finally: | |
1189 | self._process_delay_admin_state_queue('up') | |
e37ad4a6 | 1190 | if self.DRYRUN: |
1191 | return | |
53b00224 | 1192 | self._save_state() |
a6f80f0e | 1193 | |
2da58137 RP |
1194 | def reload(self, *args, **kargs): |
1195 | """ reload interface config """ | |
2da58137 RP |
1196 | self.logger.debug('reloading interface config ..') |
1197 | if kargs.get('currentlyup', False): | |
1198 | self._reload_currentlyup(*args, **kargs) | |
1199 | else: | |
1200 | self._reload_default(*args, **kargs) | |
1201 | ||
7538dc77 | 1202 | def _pretty_print_ordered_dict(self, prefix, argdict): |
525f0a30 | 1203 | outbuf = prefix + ' {\n' |
53b00224 | 1204 | for k, vlist in argdict.items(): |
525f0a30 | 1205 | outbuf += '\t%s : %s\n' %(k, str(vlist)) |
7538dc77 | 1206 | self.logger.debug(outbuf + '}') |
a6f80f0e | 1207 | |
53b00224 | 1208 | def print_dependency(self, ifacenames, format): |
1209 | """ prints iface dependency information """ | |
a6f80f0e | 1210 | |
53b00224 | 1211 | if not ifacenames: |
1212 | ifacenames = self.ifaceobjdict.keys() | |
1213 | if format == 'list': | |
1214 | for k,v in self.dependency_graph.items(): | |
1215 | print '%s : %s' %(k, str(v)) | |
1216 | elif format == 'dot': | |
1217 | indegrees = {} | |
1218 | map(lambda i: indegrees.update({i : | |
1219 | self.get_iface_refcnt(i)}), | |
1220 | self.dependency_graph.keys()) | |
1221 | graph.generate_dots(self.dependency_graph, indegrees) | |
a6f80f0e | 1222 | |
739f665b | 1223 | def print_ifaceobjs_raw(self, ifacenames): |
53b00224 | 1224 | """ prints raw lines for ifaces from config file """ |
1225 | ||
739f665b | 1226 | for i in ifacenames: |
31a5f4c3 | 1227 | for ifaceobj in self.get_ifaceobjs(i): |
75730152 | 1228 | if (self.is_ifaceobj_builtin(ifaceobj) or |
1229 | not ifaceobj.is_config_present()): | |
1230 | continue | |
1231 | ifaceobj.dump_raw(self.logger) | |
739f665b | 1232 | print '\n' |
339026c8 | 1233 | if self.WITH_DEPENDS and not self.ALL: |
62ddec8b | 1234 | dlist = ifaceobj.lowerifaces |
fe0a57d3 | 1235 | if not dlist: continue |
53b00224 | 1236 | self.print_ifaceobjs_raw(dlist) |
739f665b | 1237 | |
2cd06f78 | 1238 | def _get_ifaceobjs_pretty(self, ifacenames, ifaceobjs, running=False): |
1239 | """ returns iface obj list """ | |
53b00224 | 1240 | |
a6f80f0e | 1241 | for i in ifacenames: |
31a5f4c3 | 1242 | for ifaceobj in self.get_ifaceobjs(i): |
2cd06f78 | 1243 | if ((not running and self.is_ifaceobj_noconfig(ifaceobj)) or |
1244 | (running and not ifaceobj.is_config_present())): | |
75730152 | 1245 | continue |
2cd06f78 | 1246 | ifaceobjs.append(ifaceobj) |
339026c8 | 1247 | if self.WITH_DEPENDS and not self.ALL: |
62ddec8b | 1248 | dlist = ifaceobj.lowerifaces |
fe0a57d3 | 1249 | if not dlist: continue |
2cd06f78 | 1250 | self._get_ifaceobjs_pretty(dlist, ifaceobjs, running) |
739f665b | 1251 | |
2cd06f78 | 1252 | def print_ifaceobjs_pretty(self, ifacenames, format='native'): |
1253 | """ pretty prints iface in format given by keyword arg format """ | |
eab25b7c | 1254 | |
2cd06f78 | 1255 | ifaceobjs = [] |
1256 | self._get_ifaceobjs_pretty(ifacenames, ifaceobjs) | |
1257 | if not ifaceobjs: return | |
1258 | if format == 'json': | |
3dcc1d0e | 1259 | print json.dumps(ifaceobjs, cls=ifaceJsonEncoder, |
1260 | indent=4, separators=(',', ': ')) | |
2cd06f78 | 1261 | else: |
2da58137 RP |
1262 | expand = int(self.config.get('ifquery_ifacename_expand_range', '0')) |
1263 | for i in ifaceobjs: | |
1264 | if not expand and (i.flags & iface.IFACERANGE_ENTRY): | |
1265 | # print only the first one | |
1266 | if i.flags & iface.IFACERANGE_START: | |
1267 | i.dump_pretty(use_realname=True) | |
1268 | else: | |
1269 | i.dump_pretty() | |
53b00224 | 1270 | |
2cd06f78 | 1271 | def _get_ifaceobjscurr_pretty(self, ifacenames, ifaceobjs): |
eab25b7c | 1272 | ret = 0 |
a6f80f0e | 1273 | for i in ifacenames: |
923290bd | 1274 | ifaceobjscurr = self.get_ifaceobjcurr(i) |
1275 | if not ifaceobjscurr: continue | |
1276 | for ifaceobj in ifaceobjscurr: | |
1277 | if (ifaceobj.status == ifaceStatus.NOTFOUND or | |
1278 | ifaceobj.status == ifaceStatus.ERROR): | |
1279 | ret = 1 | |
1280 | if self.is_ifaceobj_noconfig(ifaceobj): | |
1281 | continue | |
1282 | ifaceobjs.append(ifaceobj) | |
1283 | if self.WITH_DEPENDS and not self.ALL: | |
1284 | dlist = ifaceobj.lowerifaces | |
1285 | if not dlist: continue | |
1286 | dret = self._get_ifaceobjscurr_pretty(dlist, ifaceobjs) | |
1287 | if dret: ret = 1 | |
2cd06f78 | 1288 | return ret |
1289 | ||
1290 | def print_ifaceobjscurr_pretty(self, ifacenames, format='native'): | |
1291 | """ pretty prints current running state of interfaces with status. | |
1292 | ||
1293 | returns 1 if any of the interface has an error, | |
1294 | else returns 0 | |
1295 | """ | |
1296 | ||
1297 | ifaceobjs = [] | |
1298 | ret = self._get_ifaceobjscurr_pretty(ifacenames, ifaceobjs) | |
1299 | if not ifaceobjs: return | |
2cd06f78 | 1300 | if format == 'json': |
1301 | print json.dumps(ifaceobjs, cls=ifaceJsonEncoder, indent=2, | |
1302 | separators=(',', ': ')) | |
1303 | else: | |
86fc62e2 | 1304 | map(lambda i: i.dump_pretty(with_status=True, |
fac4138b RP |
1305 | successstr=self.config.get('ifquery_check_success_str', |
1306 | _success_sym), | |
1307 | errorstr=self.config.get('ifquery_check_error_str', _error_sym), | |
1308 | unknownstr=self.config.get('ifquery_check_unknown_str', '')), | |
1309 | ifaceobjs) | |
eab25b7c | 1310 | return ret |
a6f80f0e | 1311 | |
d08d5f54 | 1312 | def print_ifaceobjsrunning_pretty(self, ifacenames, format='native'): |
53b00224 | 1313 | """ pretty prints iface running state """ |
1314 | ||
2cd06f78 | 1315 | ifaceobjs = [] |
1316 | self._get_ifaceobjs_pretty(ifacenames, ifaceobjs, running=True) | |
1317 | if not ifaceobjs: return | |
1318 | if format == 'json': | |
1319 | print json.dumps(ifaceobjs, cls=ifaceJsonEncoder, indent=2, | |
1320 | separators=(',', ': ')) | |
1321 | else: | |
1322 | map(lambda i: i.dump_pretty(), ifaceobjs) | |
53b00224 | 1323 | |
1324 | def _dump(self): | |
1325 | print 'ifupdown main object dump' | |
1326 | print self.pp.pprint(self.modules) | |
1327 | print self.pp.pprint(self.ifaceobjdict) | |
1328 | ||
1329 | def _dump_ifaceobjs(self, ifacenames): | |
1330 | for i in ifacenames: | |
1331 | ifaceobjs = self.get_ifaceobjs(i) | |
1332 | for i in ifaceobjs: | |
1333 | i.dump(self.logger) | |
1334 | print '\n' |