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15ef32ea RP |
1 | #!/usr/bin/python |
2 | # | |
d486dd0d | 3 | # Copyright 2014-2017 Cumulus Networks, Inc. All rights reserved. |
15ef32ea RP |
4 | # Author: Roopa Prabhu, roopa@cumulusnetworks.com |
5 | # | |
6 | ||
d486dd0d | 7 | from ipaddr import IPNetwork, IPv4Network, IPv6Network, _BaseV6 |
9087e727 | 8 | |
15ef32ea | 9 | try: |
d486dd0d JF |
10 | from ifupdown2.ifupdown.iface import * |
11 | from ifupdown2.ifupdown.utils import utils | |
12 | from ifupdown2.ifupdown.netlink import netlink | |
13 | ||
14 | from ifupdown2.ifupdownaddons.dhclient import dhclient | |
15 | from ifupdown2.ifupdownaddons.LinkUtils import LinkUtils | |
16 | from ifupdown2.ifupdownaddons.modulebase import moduleBase | |
17 | ||
18 | import ifupdown2.ifupdown.statemanager as statemanager | |
19 | import ifupdown2.ifupdown.policymanager as policymanager | |
20 | import ifupdown2.ifupdown.ifupdownflags as ifupdownflags | |
21 | import ifupdown2.ifupdown.ifupdownconfig as ifupdownconfig | |
22 | except ImportError: | |
15ef32ea | 23 | from ifupdown.iface import * |
82908a2d | 24 | from ifupdown.utils import utils |
d486dd0d JF |
25 | from ifupdown.netlink import netlink |
26 | ||
15ef32ea | 27 | from ifupdownaddons.dhclient import dhclient |
d486dd0d JF |
28 | from ifupdownaddons.LinkUtils import LinkUtils |
29 | from ifupdownaddons.modulebase import moduleBase | |
30 | ||
31 | import ifupdown.statemanager as statemanager | |
84f33af6 | 32 | import ifupdown.policymanager as policymanager |
fc5e1735 | 33 | import ifupdown.ifupdownflags as ifupdownflags |
d486dd0d JF |
34 | import ifupdown.ifupdownconfig as ifupdownconfig |
35 | ||
15ef32ea RP |
36 | |
37 | class address(moduleBase): | |
38 | """ ifupdown2 addon module to configure address, mtu, hwaddress, alias | |
39 | (description) on an interface """ | |
40 | ||
41 | _modinfo = {'mhelp' : 'address configuration module for interfaces', | |
42 | 'attrs': { | |
43 | 'address' : | |
44 | {'help' : 'ipv4 or ipv6 addresses', | |
482b2fab | 45 | 'validvals' : ['<ipv4/prefixlen>', '<ipv6/prefixlen>'], |
c6370b56 | 46 | 'multiline' : True, |
15ef32ea RP |
47 | 'example' : ['address 10.0.12.3/24', |
48 | 'address 2000:1000:1000:1000:3::5/128']}, | |
49 | 'netmask' : | |
50 | {'help': 'netmask', | |
51 | 'example' : ['netmask 255.255.255.0'], | |
52 | 'compat' : True}, | |
53 | 'broadcast' : | |
54 | {'help': 'broadcast address', | |
482b2fab | 55 | 'validvals' : ['<ipv4>', ], |
15ef32ea RP |
56 | 'example' : ['broadcast 10.0.1.255']}, |
57 | 'scope' : | |
58 | {'help': 'scope', | |
c6370b56 | 59 | 'validvals' : ['universe', 'site', 'link', 'host', 'nowhere'], |
15ef32ea RP |
60 | 'example' : ['scope host']}, |
61 | 'preferred-lifetime' : | |
62 | {'help': 'preferred lifetime', | |
c6370b56 | 63 | 'validrange' : ['0', '65535'], |
15ef32ea RP |
64 | 'example' : ['preferred-lifetime forever', |
65 | 'preferred-lifetime 10']}, | |
66 | 'gateway' : | |
67 | {'help': 'default gateway', | |
482b2fab | 68 | 'validvals' : ['<ipv4>', '<ipv6>'], |
2ed2adeb | 69 | 'multiline' : True, |
15ef32ea RP |
70 | 'example' : ['gateway 255.255.255.0']}, |
71 | 'mtu' : | |
72 | { 'help': 'interface mtu', | |
c6370b56 | 73 | 'validrange' : ['552', '9216'], |
15ef32ea RP |
74 | 'example' : ['mtu 1600'], |
75 | 'default' : '1500'}, | |
76 | 'hwaddress' : | |
77 | {'help' : 'hw address', | |
c6370b56 | 78 | 'validvals' : ['<mac>',], |
15ef32ea RP |
79 | 'example': ['hwaddress 44:38:39:00:27:b8']}, |
80 | 'alias' : | |
81 | { 'help': 'description/alias', | |
394e68b5 RP |
82 | 'example' : ['alias testnetwork']}, |
83 | 'address-purge' : | |
84 | { 'help': 'purge existing addresses. By default ' + | |
85 | 'any existing ip addresses on an interface are ' + | |
86 | 'purged to match persistant addresses in the ' + | |
87 | 'interfaces file. Set this attribute to \'no\'' + | |
88 | 'if you want to preserve existing addresses', | |
c6370b56 | 89 | 'validvals' : ['yes', 'no'], |
394e68b5 | 90 | 'default' : 'yes', |
a794fb31 BR |
91 | 'example' : ['address-purge yes/no']}, |
92 | 'clagd-vxlan-anycast-ip' : | |
93 | { 'help' : 'Anycast local IP address for ' + | |
94 | 'dual connected VxLANs', | |
482b2fab | 95 | 'validvals' : ['<ipv4>', ], |
d486dd0d JF |
96 | 'example' : ['clagd-vxlan-anycast-ip 36.0.0.11']}, |
97 | 'ip-forward' : | |
98 | { 'help': 'ip forwarding flag', | |
99 | 'validvals': ['on', 'off'], | |
100 | 'default' : 'off', | |
101 | 'example' : ['ip-forward off']}, | |
102 | 'ip6-forward' : | |
103 | { 'help': 'ipv6 forwarding flag', | |
104 | 'validvals': ['on', 'off'], | |
105 | 'default' : 'off', | |
106 | 'example' : ['ip6-forward off']}, | |
107 | 'mpls-enable' : | |
108 | { 'help': 'mpls enable flag', | |
109 | 'validvals': ['yes', 'no'], | |
110 | 'default' : 'no', | |
111 | 'example' : ['mpls-enable yes']}, | |
3fc54eef JF |
112 | 'ipv6-addrgen': { |
113 | 'help': 'enable disable ipv6 link addrgenmode', | |
114 | 'validvals': ['on', 'off'], | |
115 | 'default': 'on', | |
116 | 'example': [ | |
117 | 'ipv6-addrgen on', | |
118 | 'ipv6-addrgen off' | |
119 | ] | |
120 | } | |
d486dd0d | 121 | }} |
15ef32ea RP |
122 | |
123 | def __init__(self, *args, **kargs): | |
124 | moduleBase.__init__(self, *args, **kargs) | |
125 | self.ipcmd = None | |
8e113d63 | 126 | self._bridge_fdb_query_cache = {} |
84f33af6 | 127 | self.default_mtu = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='mtu') |
9f30b2cc | 128 | self.max_mtu = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='max_mtu') |
d486dd0d JF |
129 | self.ipforward = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='ip-forward') |
130 | self.ip6forward = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='ip6-forward') | |
131 | self.ifaces_defaults = policymanager.policymanager_api.get_iface_defaults(module_name=self.__class__.__name__) | |
132 | self.enable_l3_iface_forwarding_checks = utils.get_boolean_from_string( | |
133 | policymanager.policymanager_api.get_module_globals( | |
134 | self.__class__.__name__, | |
135 | 'enable_l3_iface_forwarding_checks' | |
136 | ) | |
137 | ) | |
9f30b2cc RP |
138 | |
139 | if not self.default_mtu: | |
140 | self.default_mtu = '1500' | |
141 | ||
142 | self.logger.info('address: using default mtu %s' %self.default_mtu) | |
143 | ||
144 | if self.max_mtu: | |
145 | self.logger.info('address: using max mtu %s' %self.max_mtu) | |
15ef32ea | 146 | |
d486dd0d JF |
147 | self.lower_iface_mtu_checked_list = list() |
148 | ||
09096420 | 149 | def syntax_check(self, ifaceobj, ifaceobj_getfunc=None): |
22b49c28 | 150 | return (self.syntax_check_multiple_gateway(ifaceobj) |
09096420 | 151 | and self.syntax_check_addr_allowed_on(ifaceobj, True) |
d486dd0d JF |
152 | and self.syntax_check_mtu(ifaceobj, ifaceobj_getfunc) |
153 | and self.syntax_check_sysctls(ifaceobj) | |
154 | and self.syntax_check_enable_l3_iface_forwardings(ifaceobj, ifaceobj_getfunc, syntax_check=True)) | |
155 | ||
156 | def syntax_check_enable_l3_iface_forwardings(self, ifaceobj, ifaceobj_getfunc, syntax_check=False): | |
157 | if (self.enable_l3_iface_forwarding_checks | |
158 | and (ifaceobj.link_kind & ifaceLinkKind.VLAN | |
159 | or ifaceobj.link_kind & ifaceLinkKind.BRIDGE) | |
160 | and not ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT): | |
161 | ||
162 | ifname = ifaceobj.name | |
163 | vlan_addr = None | |
164 | vlan_ipforward_off = None | |
165 | ||
166 | for obj in ifaceobj_getfunc(ifname) or [ifaceobj]: | |
167 | if not vlan_addr: | |
168 | vlan_addr = obj.get_attr_value('address') | |
169 | ||
170 | if not vlan_ipforward_off: | |
171 | ip_forward_value = obj.get_attr_value_first('ip-forward') | |
172 | ||
173 | if ip_forward_value and not utils.get_boolean_from_string(ip_forward_value): | |
174 | vlan_ipforward_off = True | |
175 | ||
176 | if vlan_addr and vlan_ipforward_off: | |
177 | if syntax_check: | |
178 | raise Exception( | |
179 | 'configuring ip-forward off and ip address(es) (%s) is not compatible' | |
180 | % (', '.join(vlan_addr)) | |
181 | ) | |
182 | else: | |
183 | raise Exception( | |
184 | '%s: configuring ip-forward off and ip address(es) (%s) is not compatible' | |
185 | % (ifname, ', '.join(vlan_addr)) | |
186 | ) | |
187 | ||
188 | return True | |
189 | ||
190 | def syntax_check_sysctls(self, ifaceobj): | |
191 | result = True | |
192 | bridge_port = (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT) | |
193 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
194 | if bridge_port and ipforward: | |
195 | result = False | |
196 | self.log_error('%s: \'ip-forward\' is not supported for ' | |
197 | 'bridge port' %ifaceobj.name) | |
198 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
199 | if bridge_port and ip6forward: | |
200 | result = False | |
201 | self.log_error('%s: \'ip6-forward\' is not supported for ' | |
202 | 'bridge port' %ifaceobj.name) | |
203 | return result | |
09096420 RP |
204 | |
205 | def syntax_check_mtu(self, ifaceobj, ifaceobj_getfunc): | |
206 | mtu = ifaceobj.get_attr_value_first('mtu') | |
207 | if mtu: | |
208 | return self._check_mtu_config(ifaceobj, mtu, ifaceobj_getfunc, | |
209 | syntaxcheck=True) | |
210 | return True | |
22b49c28 JF |
211 | |
212 | def syntax_check_addr_allowed_on(self, ifaceobj, syntax_check=False): | |
213 | if ifaceobj.get_attr_value('address'): | |
214 | return utils.is_addr_ip_allowed_on(ifaceobj, syntax_check=syntax_check) | |
215 | return True | |
216 | ||
38365d4a JF |
217 | def _syntax_check_multiple_gateway(self, family, found, addr, type_obj): |
218 | if type(IPNetwork(addr)) == type_obj: | |
219 | if found: | |
220 | raise Exception('%s: multiple gateways for %s family' | |
221 | % (addr, family)) | |
222 | return True | |
223 | return False | |
224 | ||
22b49c28 | 225 | def syntax_check_multiple_gateway(self, ifaceobj): |
38365d4a JF |
226 | result = True |
227 | inet = False | |
228 | inet6 = False | |
229 | gateways = ifaceobj.get_attr_value('gateway') | |
230 | for addr in gateways if gateways else []: | |
231 | try: | |
232 | if self._syntax_check_multiple_gateway('inet', inet, addr, | |
233 | IPv4Network): | |
234 | inet = True | |
235 | if self._syntax_check_multiple_gateway('inet6', inet6, addr, | |
236 | IPv6Network): | |
237 | inet6 = True | |
238 | except Exception as e: | |
239 | self.logger.warning('%s: address: %s' % (ifaceobj.name, str(e))) | |
240 | result = False | |
241 | return result | |
242 | ||
75afe2a7 RP |
243 | def _address_valid(self, addrs): |
244 | if not addrs: | |
245 | return False | |
246 | if any(map(lambda a: True if a[:7] != '0.0.0.0' | |
247 | else False, addrs)): | |
248 | return True | |
249 | return False | |
250 | ||
428206bf | 251 | def _get_hwaddress(self, ifaceobj): |
d486dd0d | 252 | return utils.strip_hwaddress(ifaceobj.get_attr_value_first('hwaddress')) |
428206bf JF |
253 | |
254 | def _process_bridge(self, ifaceobj, up): | |
255 | hwaddress = self._get_hwaddress(ifaceobj) | |
75afe2a7 RP |
256 | addrs = ifaceobj.get_attr_value_first('address') |
257 | is_vlan_dev_on_vlan_aware_bridge = False | |
258 | is_bridge = self.ipcmd.is_bridge(ifaceobj.name) | |
259 | if not is_bridge: | |
d486dd0d JF |
260 | if ifaceobj.link_kind & ifaceLinkKind.VLAN: |
261 | bridgename = ifaceobj.lowerifaces[0] | |
262 | vlan = self._get_vlan_id(ifaceobj) | |
75afe2a7 | 263 | is_vlan_dev_on_vlan_aware_bridge = self.ipcmd.bridge_is_vlan_aware(bridgename) |
8c2c9f26 RP |
264 | if ((is_bridge and not self.ipcmd.bridge_is_vlan_aware(ifaceobj.name)) |
265 | or is_vlan_dev_on_vlan_aware_bridge): | |
75afe2a7 RP |
266 | if self._address_valid(addrs): |
267 | if up: | |
268 | self.write_file('/proc/sys/net/ipv4/conf/%s' %ifaceobj.name + | |
269 | '/arp_accept', '1') | |
270 | else: | |
271 | self.write_file('/proc/sys/net/ipv4/conf/%s' %ifaceobj.name + | |
272 | '/arp_accept', '0') | |
273 | if hwaddress and is_vlan_dev_on_vlan_aware_bridge: | |
274 | if up: | |
275 | self.ipcmd.bridge_fdb_add(bridgename, hwaddress, vlan) | |
276 | else: | |
277 | self.ipcmd.bridge_fdb_del(bridgename, hwaddress, vlan) | |
cb46a208 | 278 | |
0582f185 RP |
279 | def _get_anycast_addr(self, ifaceobjlist): |
280 | for ifaceobj in ifaceobjlist: | |
281 | anycast_addr = ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip') | |
282 | if anycast_addr: | |
283 | anycast_addr = anycast_addr+'/32' | |
284 | return anycast_addr | |
285 | return None | |
286 | ||
287 | def _inet_address_convert_to_cidr(self, ifaceobjlist): | |
15ef32ea | 288 | newaddrs = [] |
0582f185 RP |
289 | newaddr_attrs = {} |
290 | ||
291 | for ifaceobj in ifaceobjlist: | |
292 | addrs = ifaceobj.get_attr_value('address') | |
293 | if not addrs: | |
294 | continue | |
295 | ||
22b49c28 JF |
296 | if not self.syntax_check_addr_allowed_on(ifaceobj, |
297 | syntax_check=False): | |
0582f185 | 298 | return (False, newaddrs, newaddr_attrs) |
15ef32ea RP |
299 | # If user address is not in CIDR notation, convert them to CIDR |
300 | for addr_index in range(0, len(addrs)): | |
301 | addr = addrs[addr_index] | |
8de397ef | 302 | newaddr = addr |
15ef32ea RP |
303 | if '/' in addr: |
304 | newaddrs.append(addr) | |
42ae7838 | 305 | else: |
8de397ef MW |
306 | netmask = ifaceobj.get_attr_value_n('netmask', addr_index) |
307 | if netmask: | |
308 | prefixlen = IPNetwork('%s' %addr + | |
309 | '/%s' %netmask).prefixlen | |
310 | newaddr = addr + '/%s' %prefixlen | |
311 | else: | |
312 | # we are here because there is no slash (/xx) and no netmask | |
313 | # just let IPNetwork handle the ipv4 or ipv6 address mask | |
314 | prefixlen = IPNetwork(addr).prefixlen | |
315 | newaddr = addr + '/%s' %prefixlen | |
316 | newaddrs.append(newaddr) | |
15ef32ea | 317 | |
0582f185 RP |
318 | attrs = {} |
319 | for a in ['broadcast', 'pointopoint', 'scope', | |
320 | 'preferred-lifetime']: | |
321 | aval = ifaceobj.get_attr_value_n(a, addr_index) | |
322 | if aval: | |
72c964c2 | 323 | attrs[a] = aval |
0582f185 RP |
324 | |
325 | if attrs: | |
326 | newaddr_attrs[newaddr]= attrs | |
327 | return (True, newaddrs, newaddr_attrs) | |
328 | ||
77021aa1 RP |
329 | def _inet_address_list_config(self, ifaceobj, newaddrs, newaddr_attrs): |
330 | for addr_index in range(0, len(newaddrs)): | |
331 | try: | |
332 | if newaddr_attrs: | |
333 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index], | |
334 | newaddr_attrs.get(newaddrs[addr_index], | |
335 | {}).get('broadcast'), | |
336 | newaddr_attrs.get(newaddrs[addr_index], | |
337 | {}).get('pointopoint'), | |
338 | newaddr_attrs.get(newaddrs[addr_index], | |
339 | {}).get('scope'), | |
340 | newaddr_attrs.get(newaddrs[addr_index], | |
341 | {}).get('preferred-lifetime')) | |
342 | else: | |
343 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index]) | |
344 | except Exception, e: | |
bf3eda91 | 345 | self.log_error(str(e), ifaceobj) |
77021aa1 RP |
346 | |
347 | def _inet_address_config(self, ifaceobj, ifaceobj_getfunc=None, | |
348 | force_reapply=False): | |
0582f185 | 349 | squash_addr_config = (True if \ |
d486dd0d JF |
350 | ifupdownconfig.config.get('addr_config_squash', \ |
351 | '0') == '1' else False) | |
0582f185 RP |
352 | |
353 | if (squash_addr_config and | |
354 | not (ifaceobj.flags & ifaceobj.YOUNGEST_SIBLING)): | |
355 | return | |
356 | ||
357 | purge_addresses = ifaceobj.get_attr_value_first('address-purge') | |
358 | if not purge_addresses: | |
359 | purge_addresses = 'yes' | |
360 | ||
361 | if squash_addr_config and ifaceobj.flags & iface.HAS_SIBLINGS: | |
362 | ifaceobjlist = ifaceobj_getfunc(ifaceobj.name) | |
363 | else: | |
364 | ifaceobjlist = [ifaceobj] | |
365 | ||
d486dd0d JF |
366 | module_name = self.__class__.__name__ |
367 | ifname = ifaceobj.name | |
368 | ||
0582f185 | 369 | (addr_supported, newaddrs, newaddr_attrs) = self._inet_address_convert_to_cidr(ifaceobjlist) |
d486dd0d JF |
370 | newaddrs = utils.get_ip_objs(module_name, ifname, newaddrs) |
371 | ||
0582f185 RP |
372 | if not addr_supported: |
373 | return | |
374 | if (not squash_addr_config and (ifaceobj.flags & iface.HAS_SIBLINGS)): | |
375 | # if youngest sibling and squash addr is not set | |
376 | # print a warning that addresses will not be purged | |
377 | if (ifaceobj.flags & iface.YOUNGEST_SIBLING): | |
378 | self.logger.warn('%s: interface has multiple ' %ifaceobj.name + | |
379 | 'iface stanzas, skip purging existing addresses') | |
380 | purge_addresses = 'no' | |
381 | ||
fc5e1735 | 382 | if not ifupdownflags.flags.PERFMODE and purge_addresses == 'yes': |
0582f185 RP |
383 | # if perfmode is not set and purge addresses is not set to 'no' |
384 | # lets purge addresses not in the config | |
d486dd0d | 385 | runningaddrs = self.ipcmd.get_running_addrs(ifaceobj, details=False) |
0582f185 | 386 | |
a794fb31 BR |
387 | # if anycast address is configured on 'lo' and is in running config |
388 | # add it to newaddrs so that ifreload doesn't wipe it out | |
82908a2d | 389 | anycast_addr = utils.get_normalized_ip_addr(ifaceobj.name, self._get_anycast_addr(ifaceobjlist)) |
0582f185 | 390 | |
a794fb31 BR |
391 | if runningaddrs and anycast_addr and anycast_addr in runningaddrs: |
392 | newaddrs.append(anycast_addr) | |
d486dd0d JF |
393 | |
394 | user_ip4, user_ip6, newaddrs = self.order_user_configured_addrs(newaddrs) | |
395 | ||
396 | if newaddrs == runningaddrs or self.compare_running_ips_and_user_config(user_ip4, user_ip6, runningaddrs): | |
77021aa1 RP |
397 | if force_reapply: |
398 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) | |
15ef32ea RP |
399 | return |
400 | try: | |
401 | # if primary address is not same, there is no need to keep any. | |
402 | # reset all addresses | |
d486dd0d JF |
403 | if newaddrs and runningaddrs and newaddrs[0] != runningaddrs[0]: |
404 | skip_addrs = [] | |
15ef32ea | 405 | else: |
d486dd0d JF |
406 | skip_addrs = newaddrs or [] |
407 | for addr in runningaddrs or []: | |
408 | if addr in skip_addrs: | |
409 | continue | |
410 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
15ef32ea RP |
411 | except Exception, e: |
412 | self.log_warn(str(e)) | |
413 | if not newaddrs: | |
414 | return | |
77021aa1 | 415 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) |
15ef32ea | 416 | |
d486dd0d JF |
417 | def compare_running_ips_and_user_config(self, user_ip4, user_ip6, running_addrs): |
418 | """ | |
419 | We need to compare the user config ips and the running ips. | |
420 | ip4 ordering matters (primary etc) but ip6 order doesn't matter | |
421 | ||
422 | this function replaces the strict comparison previously in place | |
423 | if newaddrs == running_addrs ? | |
424 | ||
425 | We will compare if the ip4 ordering is correct, then check if all | |
426 | ip6 are present in the list (without checking the ordering) | |
427 | """ | |
428 | if (user_ip4 or user_ip6) and not running_addrs: | |
429 | return False | |
430 | elif running_addrs and not user_ip4 and not user_ip6: | |
431 | return False | |
432 | elif not running_addrs and not user_ip4 and not user_ip6: | |
433 | return True | |
434 | ||
435 | len_ip4 = len(user_ip4) | |
436 | len_running_addrs = len(running_addrs) | |
437 | ||
438 | if len_ip4 > len_running_addrs: | |
439 | return False | |
440 | ||
441 | i = 0 | |
442 | while i < len_ip4: | |
443 | if user_ip4[i] != running_addrs[i]: | |
444 | return False | |
445 | i += 1 | |
446 | ||
447 | if len_ip4 > 0: | |
448 | running_ip6 = running_addrs[len_ip4:] | |
449 | else: | |
450 | running_ip6 = running_addrs | |
451 | ||
452 | i = 0 | |
453 | len_ip6 = len(user_ip6) | |
454 | ||
455 | for ip6 in running_ip6: | |
456 | if ip6 not in user_ip6: | |
457 | return False | |
458 | i += 1 | |
459 | ||
460 | return i == len_ip6 | |
461 | ||
462 | def order_user_configured_addrs(self, user_config_addrs): | |
463 | ip4 = [] | |
464 | ip6 = [] | |
465 | ||
466 | for a in user_config_addrs: | |
467 | if isinstance(a, _BaseV6): | |
468 | ip6.append(str(a)) | |
469 | else: | |
470 | ip4.append(str(a)) | |
471 | ||
472 | return ip4, ip6, ip4 + ip6 | |
473 | ||
474 | def _delete_gateway(self, ifaceobj, gateways, vrf, metric): | |
475 | for del_gw in gateways: | |
0232d1bb N |
476 | try: |
477 | self.ipcmd.route_del_gateway(ifaceobj.name, del_gw, vrf, metric) | |
5b666749 JF |
478 | except Exception as e: |
479 | self.logger.debug('%s: %s' % (ifaceobj.name, str(e))) | |
d486dd0d JF |
480 | |
481 | def _add_delete_gateway(self, ifaceobj, gateways=[], prev_gw=[]): | |
482 | vrf = ifaceobj.get_attr_value_first('vrf') | |
483 | metric = ifaceobj.get_attr_value_first('metric') | |
484 | self._delete_gateway(ifaceobj, list(set(prev_gw) - set(gateways)), | |
485 | vrf, metric) | |
4b875c17 | 486 | for add_gw in gateways: |
0232d1bb | 487 | try: |
d486dd0d | 488 | self.ipcmd.route_add_gateway(ifaceobj.name, add_gw, vrf, metric) |
5b666749 JF |
489 | except Exception as e: |
490 | self.log_error('%s: %s' % (ifaceobj.name, str(e))) | |
0232d1bb N |
491 | |
492 | def _get_prev_gateway(self, ifaceobj, gateways): | |
493 | ipv = [] | |
494 | saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(ifaceobj.name) | |
495 | if not saved_ifaceobjs: | |
496 | return ipv | |
497 | prev_gateways = saved_ifaceobjs[0].get_attr_value('gateway') | |
498 | if not prev_gateways: | |
499 | return ipv | |
500 | return prev_gateways | |
501 | ||
8d1e346f RP |
502 | def _check_mtu_config(self, ifaceobj, mtu, ifaceobj_getfunc, syntaxcheck=False): |
503 | retval = True | |
504 | if (ifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
505 | if syntaxcheck: | |
506 | self.logger.warn('%s: bridge inherits mtu from its ports. There is no need to assign mtu on a bridge' %ifaceobj.name) | |
507 | retval = False | |
508 | else: | |
9f30b2cc | 509 | self.logger.info('%s: bridge inherits mtu from its ports. There is no need to assign mtu on a bridge' %ifaceobj.name) |
8d1e346f RP |
510 | elif ifaceobj_getfunc: |
511 | if ((ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and | |
512 | ifaceobj.upperifaces): | |
9f30b2cc RP |
513 | masterobj = ifaceobj_getfunc(ifaceobj.upperifaces[0]) |
514 | if masterobj: | |
515 | master_mtu = masterobj[0].get_attr_value_first('mtu') | |
516 | if master_mtu and master_mtu != mtu: | |
8d1e346f RP |
517 | if syntaxcheck: |
518 | self.logger.warn('%s: bond slave mtu %s is different from bond master %s mtu %s. There is no need to configure mtu on a bond slave.' %(ifaceobj.name, mtu, masterobj[0].name, master_mtu)) | |
519 | retval = False | |
520 | else: | |
521 | self.logger.info('%s: bond slave mtu %s is different from bond master %s mtu %s. There is no need to configure mtu on a bond slave.' %(ifaceobj.name, mtu, masterobj[0].name, master_mtu)) | |
522 | elif ((ifaceobj.link_kind & ifaceLinkKind.VLAN) and | |
523 | ifaceobj.lowerifaces): | |
524 | lowerobj = ifaceobj_getfunc(ifaceobj.lowerifaces[0]) | |
525 | if lowerobj: | |
526 | if syntaxcheck: | |
527 | lowerdev_mtu = lowerobj[0].get_attr_value_first('mtu') | |
528 | else: | |
d486dd0d | 529 | lowerdev_mtu = self.ipcmd.link_get_mtu_sysfs(lowerobj[0].name) |
8d1e346f RP |
530 | if lowerdev_mtu and int(mtu) > int(lowerdev_mtu): |
531 | self.logger.warn('%s: vlan dev mtu %s is greater than lower realdev %s mtu %s' | |
532 | %(ifaceobj.name, mtu, lowerobj[0].name, lowerdev_mtu)) | |
533 | retval = False | |
534 | elif (not lowerobj[0].link_kind and | |
535 | not (lowerobj[0].link_privflags & ifaceLinkPrivFlags.LOOPBACK) and | |
d486dd0d JF |
536 | not lowerdev_mtu and self.default_mtu and |
537 | (int(mtu) > int(self.default_mtu))): | |
8d1e346f RP |
538 | # only check default mtu on lower device which is a physical interface |
539 | self.logger.warn('%s: vlan dev mtu %s is greater than lower realdev %s mtu %s' | |
540 | %(ifaceobj.name, mtu, lowerobj[0].name, self.default_mtu)) | |
541 | retval = False | |
9f30b2cc RP |
542 | if self.max_mtu and mtu > self.max_mtu: |
543 | self.logger.warn('%s: specified mtu %s is greater than max mtu %s' | |
544 | %(ifaceobj.name, mtu, self.max_mtu)) | |
8d1e346f RP |
545 | retval = False |
546 | return retval | |
547 | ||
548 | def _propagate_mtu_to_upper_devs(self, ifaceobj, mtu, ifaceobj_getfunc): | |
549 | if (not ifaceobj.upperifaces or | |
550 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) or | |
551 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE) or | |
552 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT)): | |
553 | return | |
554 | for u in ifaceobj.upperifaces: | |
555 | upperobjs = ifaceobj_getfunc(u) | |
556 | if (not upperobjs or | |
557 | not (upperobjs[0].link_kind & ifaceLinkKind.VLAN)): | |
558 | continue | |
559 | # only adjust mtu for vlan devices on ifaceobj | |
560 | umtu = upperobjs[0].get_attr_value_first('mtu') | |
561 | if not umtu: | |
562 | running_mtu = self.ipcmd.link_get_mtu(upperobjs[0].name) | |
563 | if not running_mtu or (running_mtu != mtu): | |
564 | self.ipcmd.link_set(u, 'mtu', mtu) | |
565 | ||
d486dd0d | 566 | def _process_mtu_config(self, ifaceobj, ifaceobj_getfunc, mtu): |
8d1e346f RP |
567 | if mtu: |
568 | if not self._check_mtu_config(ifaceobj, mtu, ifaceobj_getfunc): | |
569 | return | |
d486dd0d JF |
570 | cached_running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) |
571 | running_mtu = self.ipcmd.link_get_mtu_sysfs(ifaceobj.name) | |
8d1e346f | 572 | if not running_mtu or (running_mtu and running_mtu != mtu): |
d486dd0d JF |
573 | force = cached_running_mtu != running_mtu |
574 | self.ipcmd.link_set(ifaceobj.name, 'mtu', mtu, force=force) | |
8d1e346f RP |
575 | if (not ifupdownflags.flags.ALL and |
576 | not ifaceobj.link_kind and | |
d486dd0d | 577 | ifupdownconfig.config.get('adjust_logical_dev_mtu', '1') != '0'): |
8d1e346f RP |
578 | # This is additional cost to us, so do it only when |
579 | # ifupdown2 is called on a particular interface and | |
580 | # it is a physical interface | |
581 | self._propagate_mtu_to_upper_devs(ifaceobj, mtu, ifaceobj_getfunc) | |
9f30b2cc RP |
582 | return |
583 | ||
584 | if ifaceobj.link_kind: | |
585 | # bonds and vxlan devices need an explicit set of mtu. | |
586 | # bridges don't need mtu set | |
587 | if (ifaceobj.link_kind & ifaceLinkKind.BOND or | |
588 | ifaceobj.link_kind & ifaceLinkKind.VXLAN): | |
589 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) | |
590 | if (self.default_mtu and running_mtu != self.default_mtu): | |
591 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
592 | return | |
d486dd0d | 593 | if (ifupdownconfig.config.get('adjust_logical_dev_mtu', '1') != '0' |
9f30b2cc RP |
594 | and ifaceobj.lowerifaces): |
595 | # set vlan interface mtu to lower device mtu | |
596 | if (ifaceobj.link_kind & ifaceLinkKind.VLAN): | |
d486dd0d JF |
597 | lower_iface = ifaceobj.lowerifaces[0] |
598 | if lower_iface not in self.lower_iface_mtu_checked_list: | |
599 | lower_iface_mtu = self.ipcmd.link_get_mtu_sysfs(lower_iface) | |
600 | self.ipcmd.cache_update([lower_iface, 'mtu'], lower_iface_mtu) | |
601 | self.lower_iface_mtu_checked_list.append(lower_iface) | |
602 | else: | |
603 | lower_iface_mtu = self.ipcmd.link_get_mtu(lower_iface) | |
604 | ||
605 | if lower_iface_mtu != self.ipcmd.link_get_mtu_sysfs(ifaceobj.name): | |
9f30b2cc RP |
606 | self.ipcmd.link_set_mtu(ifaceobj.name, lower_iface_mtu) |
607 | ||
608 | elif (not (ifaceobj.name == 'lo') and not ifaceobj.link_kind and | |
609 | not (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and | |
610 | self.default_mtu): | |
611 | # logical devices like bridges and vlan devices rely on mtu | |
612 | # from their lower devices. ie mtu travels from | |
613 | # lower devices to upper devices. For bonds mtu travels from | |
614 | # upper to lower devices. running mtu depends on upper and | |
615 | # lower device mtu. With all this implicit mtu | |
616 | # config by the kernel in play, we try to be cautious here | |
617 | # on which devices we want to reset mtu to default. | |
618 | # essentially only physical interfaces which are not bond slaves | |
619 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) | |
620 | if running_mtu != self.default_mtu: | |
621 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
622 | ||
d486dd0d JF |
623 | def _set_bridge_forwarding(self, ifaceobj): |
624 | """ set ip forwarding to 0 if bridge interface does not have a | |
625 | ip nor svi """ | |
626 | if not ifaceobj.upperifaces and not ifaceobj.get_attr_value('address'): | |
627 | # set forwarding = 0 | |
628 | if self.sysctl_get('net.ipv4.conf.%s.forwarding' %ifaceobj.name) == '1': | |
629 | self.sysctl_set('net.ipv4.conf.%s.forwarding' %ifaceobj.name, 0) | |
630 | if self.sysctl_get('net.ipv6.conf.%s.forwarding' %ifaceobj.name) == '1': | |
631 | self.sysctl_set('net.ipv6.conf.%s.forwarding' %ifaceobj.name, 0) | |
632 | else: | |
633 | if self.sysctl_get('net.ipv4.conf.%s.forwarding' %ifaceobj.name) == '0': | |
634 | self.sysctl_set('net.ipv4.conf.%s.forwarding' %ifaceobj.name, 1) | |
635 | if self.sysctl_get('net.ipv6.conf.%s.forwarding' %ifaceobj.name) == '0': | |
636 | self.sysctl_set('net.ipv6.conf.%s.forwarding' %ifaceobj.name, 1) | |
637 | ||
638 | def _sysctl_config(self, ifaceobj): | |
639 | setting_default_value = False | |
640 | mpls_enable = ifaceobj.get_attr_value_first('mpls-enable'); | |
641 | if not mpls_enable: | |
642 | setting_default_value = True | |
643 | mpls_enable = self.get_mod_subattr('mpls-enable', 'default') | |
644 | mpls_enable = utils.boolean_support_binary(mpls_enable) | |
645 | # File read has been used for better performance | |
646 | # instead of using sysctl command | |
647 | if ifupdownflags.flags.PERFMODE: | |
648 | running_mpls_enable = '0' | |
649 | else: | |
650 | running_mpls_enable = self.read_file_oneline( | |
651 | '/proc/sys/net/mpls/conf/%s/input' | |
652 | % ifaceobj.name | |
653 | ) | |
654 | ||
655 | if mpls_enable != running_mpls_enable: | |
656 | try: | |
657 | self.sysctl_set('net.mpls.conf.%s.input' | |
658 | %('/'.join(ifaceobj.name.split("."))), | |
659 | mpls_enable) | |
660 | except Exception as e: | |
661 | if not setting_default_value: | |
662 | ifaceobj.status = ifaceStatus.ERROR | |
663 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
664 | ||
665 | if (ifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
666 | self._set_bridge_forwarding(ifaceobj) | |
667 | return | |
668 | if not self.syntax_check_sysctls(ifaceobj): | |
669 | return | |
670 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
671 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
672 | if ifupdownflags.flags.PERFMODE: | |
673 | if ipforward: | |
674 | self.sysctl_set('net.ipv4.conf.%s.forwarding' | |
675 | %('/'.join(ifaceobj.name.split("."))), | |
676 | utils.boolean_support_binary(ipforward)) | |
677 | if ip6forward: | |
678 | self.sysctl_set('net.ipv6.conf.%s.forwarding' | |
679 | %('/'.join(ifaceobj.name.split("."))), | |
680 | utils.boolean_support_binary(ip6forward)) | |
681 | return | |
682 | bridge_port = ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT | |
683 | if bridge_port: | |
684 | if ipforward: | |
685 | self.log_error('%s: \'ip-forward\' is not supported for ' | |
686 | 'bridge port' %ifaceobj.name) | |
687 | if ip6forward: | |
688 | self.log_error('%s: \'ip6-forward\' is not supported for ' | |
689 | 'bridge port' %ifaceobj.name) | |
690 | return | |
691 | setting_default_value = False | |
692 | if not ipforward: | |
693 | setting_default_value = True | |
694 | ipforward = (self.ipforward or | |
695 | self.get_mod_subattr('ip-forward', 'default')) | |
696 | ipforward = utils.boolean_support_binary(ipforward) | |
697 | # File read has been used for better performance | |
698 | # instead of using sysctl command | |
699 | running_ipforward = self.read_file_oneline( | |
700 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
701 | %ifaceobj.name) | |
702 | if ipforward != running_ipforward: | |
703 | try: | |
704 | self.sysctl_set('net.ipv4.conf.%s.forwarding' | |
705 | %('/'.join(ifaceobj.name.split("."))), | |
706 | ipforward) | |
707 | except Exception as e: | |
708 | if not setting_default_value: | |
709 | ifaceobj.status = ifaceStatus.ERROR | |
710 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
711 | ||
712 | setting_default_value = False | |
713 | if not ip6forward: | |
714 | setting_default_value = True | |
715 | ip6forward = (self.ip6forward or | |
716 | self.get_mod_subattr('ip6-forward', 'default')) | |
717 | ip6forward = utils.boolean_support_binary(ip6forward) | |
718 | # File read has been used for better performance | |
719 | # instead of using sysctl command | |
720 | running_ip6forward = self.read_file_oneline( | |
721 | '/proc/sys/net/ipv6/conf/%s/forwarding' | |
722 | %ifaceobj.name) | |
723 | if ip6forward != running_ip6forward: | |
724 | try: | |
725 | self.sysctl_set('net.ipv6.conf.%s.forwarding' | |
726 | %('/'.join(ifaceobj.name.split("."))), | |
727 | ip6forward) | |
728 | except Exception as e: | |
729 | # There is chance of ipv6 being removed because of, | |
730 | # for example, setting mtu < 1280 | |
731 | # In such cases, log error only if user has configured | |
732 | # ip6-forward | |
733 | if not setting_default_value: | |
734 | ifaceobj.status = ifaceStatus.ERROR | |
735 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
736 | ||
737 | def process_mtu(self, ifaceobj, ifaceobj_getfunc): | |
738 | mtu = ifaceobj.get_attr_value_first('mtu') | |
739 | ||
740 | if not mtu: | |
741 | default_iface_mtu = self.ifaces_defaults.get(ifaceobj.name, {}).get('mtu') | |
742 | ||
743 | if default_iface_mtu: | |
744 | try: | |
745 | mtu = default_iface_mtu | |
746 | int(default_iface_mtu) | |
747 | except Exception as e: | |
748 | self.logger.warning('%s: MTU value from policy file: %s' % (ifaceobj.name, str(e))) | |
749 | return | |
750 | ||
751 | self._process_mtu_config(ifaceobj, ifaceobj_getfunc, mtu) | |
752 | ||
3fc54eef JF |
753 | def up_ipv6_addrgen(self, ifaceobj): |
754 | ipv6_addrgen = ifaceobj.get_attr_value_first('ipv6-addrgen') | |
755 | if ipv6_addrgen: | |
756 | self.ipcmd.ipv6_addrgen(ifaceobj.name, utils.get_boolean_from_string(ipv6_addrgen)) | |
757 | ||
0582f185 | 758 | def _up(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
759 | if not self.ipcmd.link_exists(ifaceobj.name): |
760 | return | |
2ff98bb9 | 761 | |
d486dd0d JF |
762 | if not self.syntax_check_enable_l3_iface_forwardings(ifaceobj, ifaceobj_getfunc): |
763 | return | |
764 | ||
2ff98bb9 JF |
765 | alias = ifaceobj.get_attr_value_first('alias') |
766 | current_alias = self.ipcmd.link_get_alias(ifaceobj.name) | |
767 | if alias and alias != current_alias: | |
768 | self.ipcmd.link_set_alias(ifaceobj.name, alias) | |
769 | elif not alias and current_alias: | |
770 | self.ipcmd.link_set_alias(ifaceobj.name, '') | |
771 | ||
d486dd0d JF |
772 | self._sysctl_config(ifaceobj) |
773 | ||
68d9fee0 | 774 | addr_method = ifaceobj.addr_method |
77021aa1 | 775 | force_reapply = False |
15ef32ea RP |
776 | try: |
777 | # release any stale dhcp addresses if present | |
d486dd0d | 778 | if (addr_method != "dhcp" and not ifupdownflags.flags.PERFMODE and |
15ef32ea RP |
779 | not (ifaceobj.flags & iface.HAS_SIBLINGS)): |
780 | # if not running in perf mode and ifaceobj does not have | |
781 | # any sibling iface objects, kill any stale dhclient | |
782 | # processes | |
75afe2a7 | 783 | dhclientcmd = dhclient() |
7c1135ea | 784 | if dhclientcmd.is_running(ifaceobj.name): |
15ef32ea RP |
785 | # release any dhcp leases |
786 | dhclientcmd.release(ifaceobj.name) | |
77021aa1 | 787 | force_reapply = True |
7c1135ea | 788 | elif dhclientcmd.is_running6(ifaceobj.name): |
15ef32ea | 789 | dhclientcmd.release6(ifaceobj.name) |
77021aa1 | 790 | force_reapply = True |
15ef32ea RP |
791 | except: |
792 | pass | |
8e113d63 | 793 | |
15ef32ea | 794 | self.ipcmd.batch_start() |
3fc54eef JF |
795 | self.up_ipv6_addrgen(ifaceobj) |
796 | ||
d486dd0d | 797 | if addr_method != "dhcp": |
77021aa1 RP |
798 | self._inet_address_config(ifaceobj, ifaceobj_getfunc, |
799 | force_reapply) | |
d486dd0d JF |
800 | |
801 | self.process_mtu(ifaceobj, ifaceobj_getfunc) | |
13e22530 | 802 | |
093ffa00 JF |
803 | try: |
804 | self.ipcmd.batch_commit() | |
805 | except Exception as e: | |
03092649 | 806 | self.log_error('%s: %s' % (ifaceobj.name, str(e)), ifaceobj, raise_error=False) |
264dcaa0 | 807 | |
68d9fee0 | 808 | try: |
707aeb73 JF |
809 | hwaddress = self._get_hwaddress(ifaceobj) |
810 | if hwaddress: | |
811 | running_hwaddress = None | |
812 | if not ifupdownflags.flags.PERFMODE: # system is clean | |
813 | running_hwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) | |
814 | if hwaddress != running_hwaddress: | |
815 | slave_down = False | |
816 | netlink.link_set_updown(ifaceobj.name, "down") | |
817 | if ifaceobj.link_kind & ifaceLinkKind.BOND: | |
818 | # if bond, down all the slaves | |
819 | if ifaceobj.lowerifaces: | |
820 | for l in ifaceobj.lowerifaces: | |
821 | netlink.link_set_updown(l, "down") | |
822 | slave_down = True | |
823 | try: | |
824 | self.ipcmd.link_set(ifaceobj.name, 'address', hwaddress) | |
825 | finally: | |
826 | netlink.link_set_updown(ifaceobj.name, "up") | |
827 | if slave_down: | |
828 | for l in ifaceobj.lowerifaces: | |
829 | netlink.link_set_updown(l, "up") | |
830 | ||
68d9fee0 RP |
831 | # Handle special things on a bridge |
832 | self._process_bridge(ifaceobj, True) | |
833 | except Exception, e: | |
bf3eda91 | 834 | self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj) |
cb46a208 | 835 | |
d486dd0d JF |
836 | gateways = ifaceobj.get_attr_value('gateway') |
837 | if not gateways: | |
838 | gateways = [] | |
839 | prev_gw = self._get_prev_gateway(ifaceobj, gateways) | |
840 | self._add_delete_gateway(ifaceobj, gateways, prev_gw) | |
15ef32ea | 841 | |
0582f185 | 842 | def _down(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
843 | try: |
844 | if not self.ipcmd.link_exists(ifaceobj.name): | |
845 | return | |
68d9fee0 | 846 | addr_method = ifaceobj.addr_method |
d486dd0d | 847 | if addr_method != "dhcp": |
aa052170 N |
848 | if ifaceobj.get_attr_value_first('address-purge')=='no': |
849 | addrlist = ifaceobj.get_attr_value('address') | |
850 | for addr in addrlist: | |
851 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
852 | #self.ipcmd.addr_del(ifaceobj.name, ifaceobj.get_attr_value('address')[0]) | |
d486dd0d JF |
853 | elif not ifaceobj.link_kind: |
854 | # for logical interfaces we don't need to remove the ip addresses | |
855 | # kernel will do it for us on 'ip link del' | |
aa052170 | 856 | self.ipcmd.del_addr_all(ifaceobj.name) |
d486dd0d JF |
857 | gateways = ifaceobj.get_attr_value('gateway') |
858 | if gateways: | |
859 | self._delete_gateway(ifaceobj, gateways, | |
860 | ifaceobj.get_attr_value_first('vrf'), | |
861 | ifaceobj.get_attr_value_first('metric')) | |
84f33af6 | 862 | mtu = ifaceobj.get_attr_value_first('mtu') |
00c12960 RP |
863 | if (not ifaceobj.link_kind and mtu and |
864 | self.default_mtu and (mtu != self.default_mtu)): | |
84f33af6 | 865 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) |
15ef32ea RP |
866 | alias = ifaceobj.get_attr_value_first('alias') |
867 | if alias: | |
d486dd0d | 868 | self.write_file('/sys/class/net/%s/ifalias' % ifaceobj.name, '\n') |
75afe2a7 RP |
869 | # XXX hwaddress reset cannot happen because we dont know last |
870 | # address. | |
871 | ||
872 | # Handle special things on a bridge | |
873 | self._process_bridge(ifaceobj, False) | |
15ef32ea | 874 | except Exception, e: |
bcf11b14 RP |
875 | self.logger.debug('%s : %s' %(ifaceobj.name, str(e))) |
876 | pass | |
15ef32ea RP |
877 | |
878 | def _get_iface_addresses(self, ifaceobj): | |
879 | addrlist = ifaceobj.get_attr_value('address') | |
880 | outaddrlist = [] | |
881 | ||
882 | if not addrlist: return None | |
883 | for addrindex in range(0, len(addrlist)): | |
884 | addr = addrlist[addrindex] | |
885 | netmask = ifaceobj.get_attr_value_n('netmask', addrindex) | |
886 | if netmask: | |
887 | prefixlen = IPNetwork('%s' %addr + | |
888 | '/%s' %netmask).prefixlen | |
889 | addr = addr + '/%s' %prefixlen | |
890 | outaddrlist.append(addr) | |
891 | return outaddrlist | |
892 | ||
8e113d63 RP |
893 | def _get_bridge_fdbs(self, bridgename, vlan): |
894 | fdbs = self._bridge_fdb_query_cache.get(bridgename) | |
895 | if not fdbs: | |
896 | fdbs = self.ipcmd.bridge_fdb_show_dev(bridgename) | |
897 | if not fdbs: | |
898 | return | |
899 | self._bridge_fdb_query_cache[bridgename] = fdbs | |
900 | return fdbs.get(vlan) | |
901 | ||
902 | def _check_addresses_in_bridge(self, ifaceobj, hwaddress): | |
903 | """ If the device is a bridge, make sure the addresses | |
904 | are in the bridge """ | |
d486dd0d JF |
905 | if ifaceobj.link_kind & ifaceLinkKind.VLAN: |
906 | bridgename = ifaceobj.lowerifaces[0] | |
907 | vlan = self._get_vlan_id(ifaceobj) | |
8e113d63 | 908 | if self.ipcmd.bridge_is_vlan_aware(bridgename): |
d486dd0d | 909 | fdb_addrs = self._get_bridge_fdbs(bridgename, str(vlan)) |
8e113d63 RP |
910 | if not fdb_addrs or hwaddress not in fdb_addrs: |
911 | return False | |
912 | return True | |
913 | ||
d486dd0d JF |
914 | def _query_sysctl(self, ifaceobj, ifaceobjcurr): |
915 | bridge_port = ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT | |
916 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
917 | if ipforward: | |
918 | if bridge_port: | |
919 | ifaceobjcurr.status = ifaceStatus.ERROR | |
920 | ifaceobjcurr.status_str = ('\'ip-forward\' not supported ' + | |
921 | 'for bridge port') | |
922 | ifaceobjcurr.update_config_with_status('ip-forward', 1, None) | |
923 | else: | |
924 | running_ipforward = self.read_file_oneline( | |
925 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
926 | %ifaceobj.name) | |
927 | running_ipforward = utils.get_onff_from_onezero( | |
928 | running_ipforward) | |
929 | ifaceobjcurr.update_config_with_status('ip-forward', | |
930 | running_ipforward, | |
931 | ipforward != running_ipforward) | |
932 | ||
933 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
934 | if ip6forward: | |
935 | if bridge_port: | |
936 | ifaceobjcurr.status = ifaceStatus.ERROR | |
937 | ifaceobjcurr.status_str = ('\'ip6-forward\' not supported ' + | |
938 | 'for bridge port') | |
939 | ifaceobjcurr.update_config_with_status('ip6-forward', 1, None) | |
940 | else: | |
941 | running_ip6forward = self.read_file_oneline( | |
942 | '/proc/sys/net/ipv6/conf/%s/forwarding' | |
943 | %ifaceobj.name) | |
944 | running_ip6forward = utils.get_onff_from_onezero( | |
945 | running_ip6forward) | |
946 | ifaceobjcurr.update_config_with_status('ip6-forward', | |
947 | running_ip6forward, | |
948 | ip6forward != running_ip6forward) | |
949 | mpls_enable = ifaceobj.get_attr_value_first('mpls-enable'); | |
950 | if mpls_enable: | |
951 | running_mpls_enable = self.read_file_oneline( | |
952 | '/proc/sys/net/mpls/conf/%s/input' | |
953 | %ifaceobj.name) | |
954 | running_mpls_enable = utils.get_yesno_from_onezero( | |
955 | running_mpls_enable) | |
956 | ifaceobjcurr.update_config_with_status('mpls-enable', | |
957 | running_mpls_enable, | |
958 | mpls_enable != running_mpls_enable) | |
959 | return | |
960 | ||
0582f185 | 961 | def _query_check(self, ifaceobj, ifaceobjcurr, ifaceobj_getfunc=None): |
15ef32ea RP |
962 | runningaddrsdict = None |
963 | if not self.ipcmd.link_exists(ifaceobj.name): | |
964 | self.logger.debug('iface %s not found' %ifaceobj.name) | |
965 | return | |
16d854b4 | 966 | addr_method = ifaceobj.addr_method |
15ef32ea RP |
967 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
968 | 'mtu', self.ipcmd.link_get_mtu) | |
428206bf | 969 | hwaddress = self._get_hwaddress(ifaceobj) |
8e113d63 | 970 | if hwaddress: |
2876ca35 | 971 | rhwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) |
8e113d63 RP |
972 | if not rhwaddress or rhwaddress != hwaddress: |
973 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
974 | 1) | |
975 | elif not self._check_addresses_in_bridge(ifaceobj, hwaddress): | |
976 | # XXX: hw address is not in bridge | |
977 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
978 | 1) | |
979 | ifaceobjcurr.status_str = 'bridge fdb error' | |
980 | else: | |
981 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
982 | 0) | |
15ef32ea RP |
983 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
984 | 'alias', self.ipcmd.link_get_alias) | |
d486dd0d | 985 | self._query_sysctl(ifaceobj, ifaceobjcurr) |
15ef32ea | 986 | # compare addresses |
d486dd0d | 987 | if addr_method == 'dhcp': |
16d854b4 | 988 | return |
82908a2d JF |
989 | addrs = utils.get_normalized_ip_addr(ifaceobj.name, |
990 | self._get_iface_addresses(ifaceobj)) | |
d486dd0d | 991 | runningaddrsdict = self.ipcmd.get_running_addrs(ifaceobj) |
a794fb31 BR |
992 | # if anycast address is configured on 'lo' and is in running config |
993 | # add it to addrs so that query_check doesn't fail | |
82908a2d | 994 | anycast_addr = utils.get_normalized_ip_addr(ifaceobj.name, ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip')) |
a794fb31 BR |
995 | if anycast_addr: |
996 | anycast_addr = anycast_addr+'/32' | |
997 | if runningaddrsdict and anycast_addr and runningaddrsdict.get(anycast_addr): | |
998 | addrs.append(anycast_addr) | |
15ef32ea RP |
999 | |
1000 | # Set ifaceobjcurr method and family | |
1001 | ifaceobjcurr.addr_method = ifaceobj.addr_method | |
1002 | ifaceobjcurr.addr_family = ifaceobj.addr_family | |
1003 | if not runningaddrsdict and not addrs: | |
1004 | return | |
1005 | runningaddrs = runningaddrsdict.keys() if runningaddrsdict else [] | |
8de397ef MW |
1006 | # Add /32 netmask to configured address without netmask. |
1007 | # This may happen on interfaces where pointopoint is used. | |
1008 | runningaddrs = [ addr if '/' in addr else addr + '/32' for addr in runningaddrs] | |
15ef32ea RP |
1009 | if runningaddrs != addrs: |
1010 | runningaddrsset = set(runningaddrs) if runningaddrs else set([]) | |
1011 | addrsset = set(addrs) if addrs else set([]) | |
1012 | if (ifaceobj.flags & iface.HAS_SIBLINGS): | |
1013 | if not addrsset: | |
1014 | return | |
1015 | # only check for addresses present in running config | |
1016 | addrsdiff = addrsset.difference(runningaddrsset) | |
1017 | for addr in addrs: | |
1018 | if addr in addrsdiff: | |
1019 | ifaceobjcurr.update_config_with_status('address', | |
1020 | addr, 1) | |
1021 | else: | |
1022 | ifaceobjcurr.update_config_with_status('address', | |
1023 | addr, 0) | |
1024 | else: | |
1025 | addrsdiff = addrsset.symmetric_difference(runningaddrsset) | |
1026 | for addr in addrsset.union(runningaddrsset): | |
1027 | if addr in addrsdiff: | |
1028 | ifaceobjcurr.update_config_with_status('address', | |
1029 | addr, 1) | |
1030 | else: | |
1031 | ifaceobjcurr.update_config_with_status('address', | |
1032 | addr, 0) | |
1033 | elif addrs: | |
1034 | [ifaceobjcurr.update_config_with_status('address', | |
1035 | addr, 0) for addr in addrs] | |
1036 | #XXXX Check broadcast address, scope, etc | |
1037 | return | |
1038 | ||
0582f185 | 1039 | def _query_running(self, ifaceobjrunning, ifaceobj_getfunc=None): |
15ef32ea RP |
1040 | if not self.ipcmd.link_exists(ifaceobjrunning.name): |
1041 | self.logger.debug('iface %s not found' %ifaceobjrunning.name) | |
15ef32ea RP |
1042 | return |
1043 | dhclientcmd = dhclient() | |
1044 | if (dhclientcmd.is_running(ifaceobjrunning.name) or | |
1045 | dhclientcmd.is_running6(ifaceobjrunning.name)): | |
1046 | # If dhcp is configured on the interface, we skip it | |
84f33af6 | 1047 | return |
15ef32ea RP |
1048 | isloopback = self.ipcmd.link_isloopback(ifaceobjrunning.name) |
1049 | if isloopback: | |
1050 | default_addrs = ['127.0.0.1/8', '::1/128'] | |
004d1e65 | 1051 | ifaceobjrunning.addr_family.append('inet') |
15ef32ea RP |
1052 | ifaceobjrunning.addr_method = 'loopback' |
1053 | else: | |
1054 | default_addrs = [] | |
d486dd0d | 1055 | runningaddrsdict = self.ipcmd.get_running_addrs(ifaceobjrunning) |
15ef32ea RP |
1056 | if runningaddrsdict: |
1057 | [ifaceobjrunning.update_config('address', addr) | |
1058 | for addr, addrattrs in runningaddrsdict.items() | |
1059 | if addr not in default_addrs] | |
1060 | mtu = self.ipcmd.link_get_mtu(ifaceobjrunning.name) | |
1061 | if (mtu and | |
1062 | (ifaceobjrunning.name == 'lo' and mtu != '16436') or | |
1063 | (ifaceobjrunning.name != 'lo' and | |
1064 | mtu != self.get_mod_subattr('mtu', 'default'))): | |
1065 | ifaceobjrunning.update_config('mtu', mtu) | |
1066 | alias = self.ipcmd.link_get_alias(ifaceobjrunning.name) | |
84f33af6 | 1067 | if alias: |
15ef32ea RP |
1068 | ifaceobjrunning.update_config('alias', alias) |
1069 | ||
d486dd0d JF |
1070 | ipforward = self.read_file_oneline( |
1071 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
1072 | %ifaceobjrunning.name) | |
1073 | ||
8d1e346f | 1074 | |
15ef32ea RP |
1075 | _run_ops = {'up' : _up, |
1076 | 'down' : _down, | |
1077 | 'query-checkcurr' : _query_check, | |
1078 | 'query-running' : _query_running } | |
1079 | ||
1080 | def get_ops(self): | |
1081 | """ returns list of ops supported by this module """ | |
1082 | return self._run_ops.keys() | |
1083 | ||
1084 | def _init_command_handlers(self): | |
1085 | if not self.ipcmd: | |
d486dd0d | 1086 | self.ipcmd = LinkUtils() |
15ef32ea | 1087 | |
6e16e5ae | 1088 | def run(self, ifaceobj, operation, query_ifaceobj=None, ifaceobj_getfunc=None): |
15ef32ea RP |
1089 | """ run address configuration on the interface object passed as argument |
1090 | ||
1091 | Args: | |
1092 | **ifaceobj** (object): iface object | |
1093 | ||
1094 | **operation** (str): any of 'up', 'down', 'query-checkcurr', | |
1095 | 'query-running' | |
1096 | Kwargs: | |
1097 | query_ifaceobj (object): query check ifaceobject. This is only | |
1098 | valid when op is 'query-checkcurr'. It is an object same as | |
1099 | ifaceobj, but contains running attribute values and its config | |
1100 | status. The modules can use it to return queried running state | |
1101 | of interfaces. status is success if the running state is same | |
1102 | as user required state in ifaceobj. error otherwise. | |
1103 | """ | |
8e113d63 RP |
1104 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
1105 | return | |
15ef32ea RP |
1106 | op_handler = self._run_ops.get(operation) |
1107 | if not op_handler: | |
1108 | return | |
15ef32ea RP |
1109 | self._init_command_handlers() |
1110 | if operation == 'query-checkcurr': | |
0582f185 RP |
1111 | op_handler(self, ifaceobj, query_ifaceobj, |
1112 | ifaceobj_getfunc=ifaceobj_getfunc) | |
15ef32ea | 1113 | else: |
0582f185 RP |
1114 | op_handler(self, ifaceobj, |
1115 | ifaceobj_getfunc=ifaceobj_getfunc) |