]>
Commit | Line | Data |
---|---|---|
a6f80f0e | 1 | #!/usr/bin/python |
e6c9d007 | 2 | # PYTHON_ARGCOMPLETE_OK |
a6f80f0e | 3 | |
4 | import sys | |
5 | import os | |
e6c9d007 | 6 | import argcomplete |
a6f80f0e | 7 | import argparse |
14dc390d | 8 | import ConfigParser |
9 | import StringIO | |
a6f80f0e | 10 | import logging |
d40e96ee | 11 | from ifupdown.ifupdownmain import * |
12 | from ifupdown.utils import * | |
a6f80f0e | 13 | |
14 | lockfile="/run/network/.lock" | |
14dc390d | 15 | configfile="/etc/network/ifupdown2/ifupdown2.conf" |
16 | configmap_g=None | |
a6f80f0e | 17 | logger = None |
3dcc1d0e | 18 | interfacesfileiobuf=None |
03d5166b | 19 | ENVPATH = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" |
a6f80f0e | 20 | |
f802fe3c | 21 | def run_up(args): |
a6f80f0e | 22 | logger.debug('args = %s' %str(args)) |
23 | ||
24 | try: | |
739f665b | 25 | iflist = args.iflist |
26 | if len(args.iflist) == 0: | |
27 | iflist = None | |
a6f80f0e | 28 | logger.debug('creating ifupdown object ..') |
f802fe3c | 29 | cachearg=(False if (iflist or args.nocache or |
d08d5f54 | 30 | args.perfmode or args.noact) |
31 | else True) | |
14dc390d | 32 | ifupdown_handle = ifupdownMain(config=configmap_g, |
33 | force=args.force, | |
f802fe3c | 34 | withdepends=args.withdepends, |
35 | perfmode=args.perfmode, | |
f802fe3c | 36 | dryrun=args.noact, |
20dd6242 | 37 | cache=cachearg, |
38 | addons_enable=not args.noaddons, | |
14dc390d | 39 | statemanager_enable=not args.noaddons, |
3dcc1d0e | 40 | interfacesfile=args.interfacesfile, |
41 | interfacesfileiobuf=interfacesfileiobuf, | |
42 | interfacesfileformat=args.interfacesfileformat) | |
20dd6242 | 43 | if args.noaddons: |
44 | ifupdown_handle.up(['up'], args.all, args.CLASS, iflist, | |
45 | excludepats=args.excludepats, | |
9dce3561 | 46 | printdependency=args.printdependency, |
47 | syntaxcheck=args.syntaxcheck) | |
20dd6242 | 48 | else: |
49 | ifupdown_handle.up(['pre-up', 'up', 'post-up'], | |
d08d5f54 | 50 | args.all, args.CLASS, iflist, |
739f665b | 51 | excludepats=args.excludepats, |
9dce3561 | 52 | printdependency=args.printdependency, |
53 | syntaxcheck=args.syntaxcheck) | |
f802fe3c | 54 | except: |
55 | raise | |
739f665b | 56 | |
f802fe3c | 57 | def run_down(args): |
58 | logger.debug('args = %s' %str(args)) | |
59 | ||
60 | try: | |
61 | iflist = args.iflist | |
f802fe3c | 62 | logger.debug('creating ifupdown object ..') |
14dc390d | 63 | ifupdown_handle = ifupdownMain(config=configmap_g, force=args.force, |
f802fe3c | 64 | withdepends=args.withdepends, |
65 | perfmode=args.perfmode, | |
f802fe3c | 66 | dryrun=args.noact, |
20dd6242 | 67 | addons_enable=not args.noaddons, |
14dc390d | 68 | statemanager_enable=not args.noaddons, |
3dcc1d0e | 69 | interfacesfile=args.interfacesfile, |
70 | interfacesfileiobuf=interfacesfileiobuf, | |
71 | interfacesfileformat=args.interfacesfileformat) | |
f802fe3c | 72 | |
73 | ifupdown_handle.down(['pre-down', 'down', 'post-down'], | |
74 | args.all, args.CLASS, iflist, | |
75 | excludepats=args.excludepats, | |
5c721925 | 76 | printdependency=args.printdependency, |
77 | usecurrentconfig=args.usecurrentconfig) | |
f802fe3c | 78 | except: |
79 | raise | |
80 | ||
81 | def run_query(args): | |
82 | logger.debug('args = %s' %str(args)) | |
83 | ||
84 | try: | |
85 | iflist = args.iflist | |
f802fe3c | 86 | if args.checkcurr: |
87 | qop='query-checkcurr' | |
88 | elif args.running: | |
f802fe3c | 89 | qop='query-running' |
90 | elif args.raw: | |
91 | qop='query-raw' | |
92 | elif args.syntaxhelp: | |
93 | qop = 'query-syntax' | |
94 | elif args.printdependency: | |
95 | qop = 'query-dependency' | |
5c721925 | 96 | elif args.printsavedstate: |
97 | qop = 'query-savedstate' | |
f802fe3c | 98 | else: |
99 | qop='query' | |
83c1f241 | 100 | cachearg=(False if (iflist or args.nocache or |
101 | args.perfmode or args.syntaxhelp or | |
102 | (qop != 'query-checkcurr' and | |
103 | qop != 'query-running')) else True) | |
c798b0f4 | 104 | if not iflist and qop == 'query-running': |
105 | iflist = [i for i in os.listdir('/sys/class/net/') | |
106 | if os.path.isdir('/sys/class/net/%s' %i)] | |
83c1f241 | 107 | logger.debug('creating ifupdown object ..') |
14dc390d | 108 | ifupdown_handle = ifupdownMain(config=configmap_g, |
109 | withdepends=args.withdepends, | |
83c1f241 | 110 | perfmode=args.perfmode, |
14dc390d | 111 | cache=cachearg, |
3dcc1d0e | 112 | interfacesfile=args.interfacesfile, |
113 | interfacesfileiobuf=interfacesfileiobuf, | |
114 | interfacesfileformat=args.interfacesfileformat) | |
83c1f241 | 115 | |
f802fe3c | 116 | ifupdown_handle.query([qop], args.all, args.CLASS, iflist, |
117 | excludepats=args.excludepats, | |
118 | printdependency=args.printdependency, | |
119 | format=args.format) | |
120 | except: | |
121 | raise | |
122 | ||
f802fe3c | 123 | def run_reload(args): |
124 | logger.debug('args = %s' %str(args)) | |
125 | ||
126 | try: | |
127 | logger.debug('creating ifupdown object ..') | |
14dc390d | 128 | ifupdown_handle = ifupdownMain(config=configmap_g, |
129 | withdepends=args.withdepends, | |
130 | perfmode=args.perfmode) | |
20dd6242 | 131 | ifupdown_handle.reload(['pre-up', 'up', 'post-up'], |
132 | ['pre-down', 'down', 'post-down'], | |
133 | args.all, None, None, | |
14dc390d | 134 | excludepats=args.excludepats, |
135 | usecurrentconfig=args.usecurrentconfig) | |
a6f80f0e | 136 | except: |
137 | raise | |
138 | ||
a6f80f0e | 139 | def init(args): |
140 | global logger | |
3dcc1d0e | 141 | global interfacesfileiobuf |
a6f80f0e | 142 | |
143 | log_level = logging.WARNING | |
fe0a57d3 | 144 | if args.verbose: |
a6f80f0e | 145 | log_level = logging.INFO |
fe0a57d3 | 146 | if args.debug: |
a6f80f0e | 147 | log_level = logging.DEBUG |
148 | ||
149 | try: | |
150 | logging.basicConfig(level=log_level, | |
eab25b7c | 151 | format='%(levelname)s: %(message)s') |
c778afeb | 152 | logging.addLevelName(logging.ERROR, 'error') |
153 | logging.addLevelName(logging.WARNING, 'warning') | |
154 | logging.addLevelName(logging.DEBUG, 'debug') | |
155 | logging.addLevelName(logging.INFO, 'info') | |
a6f80f0e | 156 | logger = logging.getLogger('ifupdown') |
157 | except: | |
158 | raise | |
159 | ||
3dcc1d0e | 160 | # If interfaces file is stdin, read |
161 | if hasattr(args, 'interfacesfile') and args.interfacesfile == '-': | |
162 | interfacesfileiobuf = sys.stdin.read() | |
a6f80f0e | 163 | |
164 | def deinit(): | |
eab25b7c | 165 | {} |
a6f80f0e | 166 | |
167 | def update_argparser(argparser): | |
cca03c30 | 168 | """ base parser, common to all commands """ |
37c0543d | 169 | |
170 | argparser.add_argument('-a', '--all', action='store_true', required=False, | |
cca03c30 | 171 | help='process all interfaces marked \"auto\"') |
a6f80f0e | 172 | argparser.add_argument('iflist', metavar='IFACE', |
f802fe3c | 173 | nargs='*', help='interface list separated by spaces. ' + |
174 | 'IFACE list is mutually exclusive with -a option.') | |
a6f80f0e | 175 | argparser.add_argument('-v', '--verbose', dest='verbose', |
176 | action='store_true', help='verbose') | |
177 | argparser.add_argument('-d', '--debug', dest='debug', | |
178 | action='store_true', | |
179 | help='output debug info') | |
180 | argparser.add_argument('-q', '--quiet', dest='quiet', | |
181 | action='store_true', | |
182 | help=argparse.SUPPRESS) | |
eab25b7c | 183 | argparser.add_argument('--allow', dest='CLASS', |
184 | help='ignore non-\"allow-CLASS\" interfaces') | |
14dc390d | 185 | argparser.add_argument('-w', '--with-depends', dest='withdepends', |
f802fe3c | 186 | action='store_true', help='run with all dependent interfaces.'+ |
187 | ' This option is redundant when \'-a\' is specified. With ' + | |
188 | '\'-a\' interfaces are always executed in dependency order') | |
3e8ee54f | 189 | argparser.add_argument('--perfmode', dest='perfmode', |
eab25b7c | 190 | action='store_true', help=argparse.SUPPRESS) |
14dc390d | 191 | #argparser.add_argument('-j', '--jobs', dest='jobs', type=int, |
192 | # default=-1, choices=range(1,12), help=argparse.SUPPRESS) | |
739f665b | 193 | argparser.add_argument('--nocache', dest='nocache', action='store_true', |
194 | help=argparse.SUPPRESS) | |
3e8ee54f | 195 | argparser.add_argument('-X', '--exclude', dest='excludepats', |
37c0543d | 196 | action='append', |
197 | help='Exclude interfaces from the list of interfaces' + | |
f802fe3c | 198 | ' to operate on. Can be specified multiple times.') |
14dc390d | 199 | argparser.add_argument('-i', '--interfaces', dest='interfacesfile', |
200 | default='/etc/network/interfaces', | |
201 | help='use interfaces file instead of default ' + | |
202 | '/etc/network/interfaces') | |
3dcc1d0e | 203 | argparser.add_argument('-t', '--interfaces-format', |
204 | dest='interfacesfileformat', | |
205 | default='native', | |
206 | choices=['native', 'json'], | |
207 | help='interfaces file format') | |
a6f80f0e | 208 | |
209 | def update_ifupdown_argparser(argparser): | |
cca03c30 | 210 | """ common arg parser for ifup and ifdown """ |
a6f80f0e | 211 | argparser.add_argument('-f', '--force', dest='force', |
212 | action='store_true', | |
213 | help='force run all operations') | |
5c721925 | 214 | group = argparser.add_mutually_exclusive_group(required=False) |
215 | group.add_argument('-n', '--no-act', dest='noact', | |
3e8ee54f | 216 | action='store_true', help='print out what would happen,' + |
217 | 'but don\'t do it') | |
14dc390d | 218 | group.add_argument('-p', '--print-dependency', |
cca03c30 | 219 | dest='printdependency', choices=['list', 'dot'], |
220 | help='print iface dependency') | |
d40e96ee | 221 | group.add_argument('--no-scripts', '--admin-state', |
20dd6242 | 222 | dest='noaddons', action='store_true', |
14dc390d | 223 | help='dont run any addon modules/scripts. Only bring the ' + |
224 | 'interface administratively up/down') | |
a6f80f0e | 225 | |
226 | def update_ifup_argparser(argparser): | |
9dce3561 | 227 | argparser.add_argument('-s', '--syntax-check', dest='syntaxcheck', |
228 | action='store_true', | |
229 | help='Only run the interfaces file parser') | |
a6f80f0e | 230 | update_ifupdown_argparser(argparser) |
231 | ||
232 | def update_ifdown_argparser(argparser): | |
233 | update_ifupdown_argparser(argparser) | |
5c721925 | 234 | argparser.add_argument('--use-current-config', |
235 | dest='usecurrentconfig', action='store_true', | |
14dc390d | 236 | help='By default ifdown looks at the saved state for ' + |
237 | 'interfaces to bring down. This option allows ifdown to ' + | |
238 | 'look at the current interfaces file. Useful when your ' + | |
239 | 'state file is corrupted or you want down to use the latest ' | |
240 | 'from the interfaces file') | |
a6f80f0e | 241 | |
242 | def update_ifquery_argparser(argparser): | |
cca03c30 | 243 | """ arg parser for ifquery options """ |
244 | ||
37c0543d | 245 | # -l is same as '-a', only here for backward compatibility |
3e8ee54f | 246 | argparser.add_argument('-l', '--list', action='store_true', dest='all', |
cca03c30 | 247 | help=argparse.SUPPRESS) |
a6f80f0e | 248 | group = argparser.add_mutually_exclusive_group(required=False) |
360d5f8e | 249 | group.add_argument('-r', '--running', dest='running', |
eab25b7c | 250 | action='store_true', |
251 | help='query running state of an interface') | |
360d5f8e | 252 | group.add_argument('-c', '--check', dest='checkcurr', |
739f665b | 253 | action='store_true', |
360d5f8e | 254 | help='check interface file contents against ' + |
255 | 'running state of an interface') | |
d08d5f54 | 256 | group.add_argument('--raw', action='store_true', dest='raw', |
257 | help='print raw config file entries') | |
5c721925 | 258 | group.add_argument('--print-savedstate', action='store_true', |
259 | dest='printsavedstate', | |
260 | help=argparse.SUPPRESS) | |
14dc390d | 261 | argparser.add_argument('-m', '--format', dest='format', default='native', |
262 | choices=['native', 'json'], | |
263 | help='interface display format') | |
264 | argparser.add_argument('-p', '--print-dependency', | |
d08d5f54 | 265 | dest='printdependency', choices=['list', 'dot'], |
266 | help='print interface dependency') | |
14dc390d | 267 | argparser.add_argument('-s', '--syntax-help', action='store_true', |
d08d5f54 | 268 | dest='syntaxhelp', |
269 | help='print supported interface config syntax') | |
37c0543d | 270 | |
739f665b | 271 | def update_ifreload_argparser(argparser): |
f802fe3c | 272 | """ parser for ifreload """ |
273 | argparser.add_argument('-a', '--all', action='store_true', required=True, | |
274 | help='process all interfaces marked \"auto\"') | |
275 | argparser.add_argument('iflist', metavar='IFACE', | |
276 | nargs='*', help=argparse.SUPPRESS) | |
277 | argparser.add_argument('-n', '--no-act', dest='noact', | |
278 | action='store_true', help=argparse.SUPPRESS) | |
279 | argparser.add_argument('-v', '--verbose', dest='verbose', | |
280 | action='store_true', help='verbose') | |
281 | argparser.add_argument('-d', '--debug', dest='debug', | |
37c0543d | 282 | action='store_true', |
f802fe3c | 283 | help='output debug info') |
14dc390d | 284 | argparser.add_argument('-w', '--with-depends', dest='withdepends', |
f802fe3c | 285 | action='store_true', help=argparse.SUPPRESS) |
286 | argparser.add_argument('--perfmode', dest='perfmode', | |
287 | action='store_true', help=argparse.SUPPRESS) | |
288 | argparser.add_argument('--nocache', dest='nocache', action='store_true', | |
289 | help=argparse.SUPPRESS) | |
290 | argparser.add_argument('-X', '--exclude', dest='excludepats', | |
291 | action='append', | |
292 | help=argparse.SUPPRESS) | |
14dc390d | 293 | #argparser.add_argument('-j', '--jobs', dest='jobs', type=int, |
294 | # default=-1, choices=range(1,12), help=argparse.SUPPRESS) | |
3dcc1d0e | 295 | #argparser.add_argument('-i', '--interfaces', dest='interfacesfile', |
296 | # default='/etc/network/interfaces', | |
297 | # help='use interfaces file instead of default ' + | |
298 | # '/etc/network/interfaces') | |
14dc390d | 299 | argparser.add_argument('--use-current-config', |
300 | dest='usecurrentconfig', action='store_true', | |
301 | help='By default ifreload looks at saved state for ' + | |
302 | 'interfaces to bring down. With this option ifreload will' | |
303 | ' only look at the current interfaces file. Useful when your ' + | |
304 | 'state file is corrupted or you want down to use the latest ' | |
305 | 'from the interfaces file') | |
37c0543d | 306 | |
a6f80f0e | 307 | def parse_args(argsv, op): |
cca03c30 | 308 | if op == 'query': |
37c0543d | 309 | descr = 'query interfaces (all or interface list)' |
91067b3d | 310 | elif op == 'reload': |
311 | descr = 'reload interface configuration.' | |
cca03c30 | 312 | else: |
313 | descr = 'interface management' | |
a6f80f0e | 314 | argparser = argparse.ArgumentParser(description=descr) |
f802fe3c | 315 | if op == 'reload': |
739f665b | 316 | update_ifreload_argparser(argparser) |
f802fe3c | 317 | else: |
318 | update_argparser(argparser) | |
319 | if op == 'up': | |
320 | update_ifup_argparser(argparser) | |
321 | elif op == 'down': | |
322 | update_ifdown_argparser(argparser) | |
323 | elif op == 'query': | |
324 | update_ifquery_argparser(argparser) | |
325 | elif op == 'reload': | |
326 | update_ifreload_argparser(argparser) | |
e6c9d007 | 327 | argcomplete.autocomplete(argparser) |
a6f80f0e | 328 | return argparser.parse_args(argsv) |
329 | ||
f802fe3c | 330 | handlers = {'up' : run_up, |
331 | 'down' : run_down, | |
332 | 'query' : run_query, | |
333 | 'reload' : run_reload } | |
334 | ||
9dce3561 | 335 | def validate_args(op, args): |
3dcc1d0e | 336 | #if op == 'up' and args.syntaxcheck: |
337 | # if args.iflist or args.all: | |
338 | # print 'ignoring interface options ..' | |
339 | # return True | |
9dce3561 | 340 | if op == 'query' and args.syntaxhelp: |
341 | return True | |
342 | if not args.iflist and not args.all: | |
343 | print '\'-a\' option or interface list are required' | |
344 | return False | |
345 | if args.iflist and args.all: | |
346 | print '\'-a\' option and interface list are mutually exclusive' | |
347 | return False | |
348 | return True | |
349 | ||
14dc390d | 350 | def read_config(): |
351 | global configmap_g | |
352 | ||
353 | config = open(configfile, 'r').read() | |
354 | configStr = '[ifupdown2]\n' + config | |
355 | configFP = StringIO.StringIO(configStr) | |
356 | parser = ConfigParser.RawConfigParser() | |
357 | parser.readfp(configFP) | |
358 | configmap_g = dict(parser.items('ifupdown2')) | |
359 | ||
a6f80f0e | 360 | def main(argv): |
361 | """ main function """ | |
f802fe3c | 362 | args = None |
a6f80f0e | 363 | try: |
364 | op = None | |
fe0a57d3 | 365 | if argv[0].endswith('ifup'): |
a6f80f0e | 366 | op = 'up' |
fe0a57d3 | 367 | elif argv[0].endswith('ifdown'): |
a6f80f0e | 368 | op = 'down' |
fe0a57d3 | 369 | elif argv[0].endswith('ifquery'): |
a6f80f0e | 370 | op = 'query' |
fe0a57d3 | 371 | elif argv[0].endswith('ifreload'): |
739f665b | 372 | op = 'reload' |
a6f80f0e | 373 | else: |
374 | print ('Unexpected executable.' + | |
375 | ' Should be \'ifup\' or \'ifdown\' or \'ifquery\'') | |
376 | exit(1) | |
a6f80f0e | 377 | # Command line arg parser |
378 | args = parse_args(argv[1:], op) | |
9dce3561 | 379 | if not validate_args(op, args): |
a6f80f0e | 380 | exit(1) |
14dc390d | 381 | read_config() |
a6f80f0e | 382 | init(args) |
f802fe3c | 383 | handlers.get(op)(args) |
a6f80f0e | 384 | except Exception, e: |
fe0a57d3 | 385 | if not str(e): |
eab25b7c | 386 | exit(1) |
f802fe3c | 387 | if args and args.debug: |
a6f80f0e | 388 | raise |
389 | else: | |
f802fe3c | 390 | if logger: |
391 | logger.error(str(e)) | |
392 | else: | |
393 | print str(e) | |
86fc62e2 | 394 | #if args and not args.debug: |
395 | # print '\nrerun the command with \'-d\' for a detailed errormsg' | |
eab25b7c | 396 | exit(1) |
a6f80f0e | 397 | finally: |
398 | deinit() | |
399 | ||
a6f80f0e | 400 | if __name__ == "__main__": |
401 | ||
d40e96ee | 402 | if not sys.argv[0].endswith('ifquery') and not os.geteuid() == 0: |
403 | print 'error: must be root to run this command' | |
a6f80f0e | 404 | exit(1) |
405 | ||
d40e96ee | 406 | if not utils.lockFile(lockfile): |
a6f80f0e | 407 | print 'Another instance of this program is already running.' |
408 | exit(0) | |
d40e96ee | 409 | |
03d5166b | 410 | # required during boot |
411 | os.putenv('PATH', ENVPATH) | |
a6f80f0e | 412 | main(sys.argv) |