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