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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 | ||
007cae35 JF |
7 | import socket |
8 | ||
d486dd0d | 9 | from ipaddr import IPNetwork, IPv4Network, IPv6Network, _BaseV6 |
9087e727 | 10 | |
15ef32ea | 11 | try: |
d486dd0d JF |
12 | from ifupdown2.ifupdown.iface import * |
13 | from ifupdown2.ifupdown.utils import utils | |
14 | from ifupdown2.ifupdown.netlink import netlink | |
15 | ||
16 | from ifupdown2.ifupdownaddons.dhclient import dhclient | |
17 | from ifupdown2.ifupdownaddons.LinkUtils import LinkUtils | |
18 | from ifupdown2.ifupdownaddons.modulebase import moduleBase | |
19 | ||
20 | import ifupdown2.ifupdown.statemanager as statemanager | |
21 | import ifupdown2.ifupdown.policymanager as policymanager | |
22 | import ifupdown2.ifupdown.ifupdownflags as ifupdownflags | |
23 | import ifupdown2.ifupdown.ifupdownconfig as ifupdownconfig | |
24 | except ImportError: | |
15ef32ea | 25 | from ifupdown.iface import * |
82908a2d | 26 | from ifupdown.utils import utils |
d486dd0d JF |
27 | from ifupdown.netlink import netlink |
28 | ||
15ef32ea | 29 | from ifupdownaddons.dhclient import dhclient |
d486dd0d JF |
30 | from ifupdownaddons.LinkUtils import LinkUtils |
31 | from ifupdownaddons.modulebase import moduleBase | |
32 | ||
33 | import ifupdown.statemanager as statemanager | |
84f33af6 | 34 | import ifupdown.policymanager as policymanager |
fc5e1735 | 35 | import ifupdown.ifupdownflags as ifupdownflags |
d486dd0d JF |
36 | import ifupdown.ifupdownconfig as ifupdownconfig |
37 | ||
15ef32ea RP |
38 | |
39 | class address(moduleBase): | |
40 | """ ifupdown2 addon module to configure address, mtu, hwaddress, alias | |
41 | (description) on an interface """ | |
42 | ||
43 | _modinfo = {'mhelp' : 'address configuration module for interfaces', | |
44 | 'attrs': { | |
45 | 'address' : | |
46 | {'help' : 'ipv4 or ipv6 addresses', | |
482b2fab | 47 | 'validvals' : ['<ipv4/prefixlen>', '<ipv6/prefixlen>'], |
c6370b56 | 48 | 'multiline' : True, |
15ef32ea RP |
49 | 'example' : ['address 10.0.12.3/24', |
50 | 'address 2000:1000:1000:1000:3::5/128']}, | |
51 | 'netmask' : | |
52 | {'help': 'netmask', | |
53 | 'example' : ['netmask 255.255.255.0'], | |
54 | 'compat' : True}, | |
55 | 'broadcast' : | |
56 | {'help': 'broadcast address', | |
482b2fab | 57 | 'validvals' : ['<ipv4>', ], |
15ef32ea RP |
58 | 'example' : ['broadcast 10.0.1.255']}, |
59 | 'scope' : | |
60 | {'help': 'scope', | |
c6370b56 | 61 | 'validvals' : ['universe', 'site', 'link', 'host', 'nowhere'], |
15ef32ea RP |
62 | 'example' : ['scope host']}, |
63 | 'preferred-lifetime' : | |
64 | {'help': 'preferred lifetime', | |
c6370b56 | 65 | 'validrange' : ['0', '65535'], |
15ef32ea RP |
66 | 'example' : ['preferred-lifetime forever', |
67 | 'preferred-lifetime 10']}, | |
68 | 'gateway' : | |
69 | {'help': 'default gateway', | |
482b2fab | 70 | 'validvals' : ['<ipv4>', '<ipv6>'], |
2ed2adeb | 71 | 'multiline' : True, |
15ef32ea RP |
72 | 'example' : ['gateway 255.255.255.0']}, |
73 | 'mtu' : | |
74 | { 'help': 'interface mtu', | |
c6370b56 | 75 | 'validrange' : ['552', '9216'], |
15ef32ea RP |
76 | 'example' : ['mtu 1600'], |
77 | 'default' : '1500'}, | |
78 | 'hwaddress' : | |
79 | {'help' : 'hw address', | |
c6370b56 | 80 | 'validvals' : ['<mac>',], |
15ef32ea RP |
81 | 'example': ['hwaddress 44:38:39:00:27:b8']}, |
82 | 'alias' : | |
83 | { 'help': 'description/alias', | |
394e68b5 RP |
84 | 'example' : ['alias testnetwork']}, |
85 | 'address-purge' : | |
86 | { 'help': 'purge existing addresses. By default ' + | |
87 | 'any existing ip addresses on an interface are ' + | |
88 | 'purged to match persistant addresses in the ' + | |
89 | 'interfaces file. Set this attribute to \'no\'' + | |
90 | 'if you want to preserve existing addresses', | |
c6370b56 | 91 | 'validvals' : ['yes', 'no'], |
394e68b5 | 92 | 'default' : 'yes', |
a794fb31 BR |
93 | 'example' : ['address-purge yes/no']}, |
94 | 'clagd-vxlan-anycast-ip' : | |
95 | { 'help' : 'Anycast local IP address for ' + | |
96 | 'dual connected VxLANs', | |
482b2fab | 97 | 'validvals' : ['<ipv4>', ], |
d486dd0d JF |
98 | 'example' : ['clagd-vxlan-anycast-ip 36.0.0.11']}, |
99 | 'ip-forward' : | |
100 | { 'help': 'ip forwarding flag', | |
7b444c7c | 101 | 'validvals': ['on', 'off', 'yes', 'no', '0', '1'], |
d486dd0d JF |
102 | 'default' : 'off', |
103 | 'example' : ['ip-forward off']}, | |
104 | 'ip6-forward' : | |
105 | { 'help': 'ipv6 forwarding flag', | |
7b444c7c | 106 | 'validvals': ['on', 'off', 'yes', 'no', '0', '1'], |
d486dd0d JF |
107 | 'default' : 'off', |
108 | 'example' : ['ip6-forward off']}, | |
109 | 'mpls-enable' : | |
110 | { 'help': 'mpls enable flag', | |
111 | 'validvals': ['yes', 'no'], | |
112 | 'default' : 'no', | |
113 | 'example' : ['mpls-enable yes']}, | |
3fc54eef JF |
114 | 'ipv6-addrgen': { |
115 | 'help': 'enable disable ipv6 link addrgenmode', | |
116 | 'validvals': ['on', 'off'], | |
117 | 'default': 'on', | |
118 | 'example': [ | |
119 | 'ipv6-addrgen on', | |
120 | 'ipv6-addrgen off' | |
121 | ] | |
122 | } | |
d486dd0d | 123 | }} |
15ef32ea RP |
124 | |
125 | def __init__(self, *args, **kargs): | |
126 | moduleBase.__init__(self, *args, **kargs) | |
127 | self.ipcmd = None | |
8e113d63 | 128 | self._bridge_fdb_query_cache = {} |
84f33af6 | 129 | self.default_mtu = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='mtu') |
9f30b2cc | 130 | self.max_mtu = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='max_mtu') |
d486dd0d JF |
131 | self.ipforward = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='ip-forward') |
132 | self.ip6forward = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='ip6-forward') | |
133 | self.ifaces_defaults = policymanager.policymanager_api.get_iface_defaults(module_name=self.__class__.__name__) | |
134 | self.enable_l3_iface_forwarding_checks = utils.get_boolean_from_string( | |
135 | policymanager.policymanager_api.get_module_globals( | |
136 | self.__class__.__name__, | |
137 | 'enable_l3_iface_forwarding_checks' | |
138 | ) | |
139 | ) | |
9f30b2cc RP |
140 | |
141 | if not self.default_mtu: | |
142 | self.default_mtu = '1500' | |
143 | ||
144 | self.logger.info('address: using default mtu %s' %self.default_mtu) | |
145 | ||
146 | if self.max_mtu: | |
147 | self.logger.info('address: using max mtu %s' %self.max_mtu) | |
15ef32ea | 148 | |
d486dd0d JF |
149 | self.lower_iface_mtu_checked_list = list() |
150 | ||
8b57a467 JF |
151 | self.l3_intf_arp_accept = utils.get_boolean_from_string( |
152 | policymanager.policymanager_api.get_module_globals( | |
153 | module_name=self.__class__.__name__, | |
154 | attr='l3_intf_arp_accept' | |
155 | ), | |
156 | default=False | |
157 | ) | |
158 | ||
09096420 | 159 | def syntax_check(self, ifaceobj, ifaceobj_getfunc=None): |
22b49c28 | 160 | return (self.syntax_check_multiple_gateway(ifaceobj) |
09096420 | 161 | and self.syntax_check_addr_allowed_on(ifaceobj, True) |
d486dd0d JF |
162 | and self.syntax_check_mtu(ifaceobj, ifaceobj_getfunc) |
163 | and self.syntax_check_sysctls(ifaceobj) | |
164 | and self.syntax_check_enable_l3_iface_forwardings(ifaceobj, ifaceobj_getfunc, syntax_check=True)) | |
165 | ||
166 | def syntax_check_enable_l3_iface_forwardings(self, ifaceobj, ifaceobj_getfunc, syntax_check=False): | |
167 | if (self.enable_l3_iface_forwarding_checks | |
168 | and (ifaceobj.link_kind & ifaceLinkKind.VLAN | |
169 | or ifaceobj.link_kind & ifaceLinkKind.BRIDGE) | |
170 | and not ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT): | |
171 | ||
172 | ifname = ifaceobj.name | |
173 | vlan_addr = None | |
174 | vlan_ipforward_off = None | |
175 | ||
176 | for obj in ifaceobj_getfunc(ifname) or [ifaceobj]: | |
177 | if not vlan_addr: | |
178 | vlan_addr = obj.get_attr_value('address') | |
179 | ||
180 | if not vlan_ipforward_off: | |
181 | ip_forward_value = obj.get_attr_value_first('ip-forward') | |
182 | ||
183 | if ip_forward_value and not utils.get_boolean_from_string(ip_forward_value): | |
184 | vlan_ipforward_off = True | |
185 | ||
186 | if vlan_addr and vlan_ipforward_off: | |
187 | if syntax_check: | |
188 | raise Exception( | |
189 | 'configuring ip-forward off and ip address(es) (%s) is not compatible' | |
190 | % (', '.join(vlan_addr)) | |
191 | ) | |
192 | else: | |
193 | raise Exception( | |
194 | '%s: configuring ip-forward off and ip address(es) (%s) is not compatible' | |
195 | % (ifname, ', '.join(vlan_addr)) | |
196 | ) | |
197 | ||
198 | return True | |
199 | ||
200 | def syntax_check_sysctls(self, ifaceobj): | |
201 | result = True | |
202 | bridge_port = (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT) | |
203 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
204 | if bridge_port and ipforward: | |
205 | result = False | |
206 | self.log_error('%s: \'ip-forward\' is not supported for ' | |
207 | 'bridge port' %ifaceobj.name) | |
208 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
209 | if bridge_port and ip6forward: | |
210 | result = False | |
211 | self.log_error('%s: \'ip6-forward\' is not supported for ' | |
212 | 'bridge port' %ifaceobj.name) | |
213 | return result | |
09096420 RP |
214 | |
215 | def syntax_check_mtu(self, ifaceobj, ifaceobj_getfunc): | |
216 | mtu = ifaceobj.get_attr_value_first('mtu') | |
217 | if mtu: | |
218 | return self._check_mtu_config(ifaceobj, mtu, ifaceobj_getfunc, | |
219 | syntaxcheck=True) | |
220 | return True | |
22b49c28 JF |
221 | |
222 | def syntax_check_addr_allowed_on(self, ifaceobj, syntax_check=False): | |
223 | if ifaceobj.get_attr_value('address'): | |
224 | return utils.is_addr_ip_allowed_on(ifaceobj, syntax_check=syntax_check) | |
225 | return True | |
226 | ||
38365d4a JF |
227 | def _syntax_check_multiple_gateway(self, family, found, addr, type_obj): |
228 | if type(IPNetwork(addr)) == type_obj: | |
229 | if found: | |
230 | raise Exception('%s: multiple gateways for %s family' | |
231 | % (addr, family)) | |
232 | return True | |
233 | return False | |
234 | ||
22b49c28 | 235 | def syntax_check_multiple_gateway(self, ifaceobj): |
38365d4a JF |
236 | result = True |
237 | inet = False | |
238 | inet6 = False | |
239 | gateways = ifaceobj.get_attr_value('gateway') | |
240 | for addr in gateways if gateways else []: | |
241 | try: | |
242 | if self._syntax_check_multiple_gateway('inet', inet, addr, | |
243 | IPv4Network): | |
244 | inet = True | |
245 | if self._syntax_check_multiple_gateway('inet6', inet6, addr, | |
246 | IPv6Network): | |
247 | inet6 = True | |
248 | except Exception as e: | |
249 | self.logger.warning('%s: address: %s' % (ifaceobj.name, str(e))) | |
250 | result = False | |
251 | return result | |
252 | ||
75afe2a7 RP |
253 | def _address_valid(self, addrs): |
254 | if not addrs: | |
255 | return False | |
256 | if any(map(lambda a: True if a[:7] != '0.0.0.0' | |
257 | else False, addrs)): | |
258 | return True | |
259 | return False | |
260 | ||
428206bf | 261 | def _get_hwaddress(self, ifaceobj): |
d486dd0d | 262 | return utils.strip_hwaddress(ifaceobj.get_attr_value_first('hwaddress')) |
428206bf JF |
263 | |
264 | def _process_bridge(self, ifaceobj, up): | |
265 | hwaddress = self._get_hwaddress(ifaceobj) | |
75afe2a7 RP |
266 | addrs = ifaceobj.get_attr_value_first('address') |
267 | is_vlan_dev_on_vlan_aware_bridge = False | |
268 | is_bridge = self.ipcmd.is_bridge(ifaceobj.name) | |
269 | if not is_bridge: | |
d486dd0d JF |
270 | if ifaceobj.link_kind & ifaceLinkKind.VLAN: |
271 | bridgename = ifaceobj.lowerifaces[0] | |
272 | vlan = self._get_vlan_id(ifaceobj) | |
75afe2a7 | 273 | is_vlan_dev_on_vlan_aware_bridge = self.ipcmd.bridge_is_vlan_aware(bridgename) |
8c2c9f26 RP |
274 | if ((is_bridge and not self.ipcmd.bridge_is_vlan_aware(ifaceobj.name)) |
275 | or is_vlan_dev_on_vlan_aware_bridge): | |
8b57a467 JF |
276 | if self._address_valid(addrs): |
277 | if self.l3_intf_arp_accept: | |
278 | if up: | |
279 | self.write_file('/proc/sys/net/ipv4/conf/%s' % ifaceobj.name + | |
280 | '/arp_accept', '1') | |
281 | else: | |
282 | self.write_file('/proc/sys/net/ipv4/conf/%s' % ifaceobj.name + | |
283 | '/arp_accept', '0') | |
284 | else: | |
285 | self.write_file('/proc/sys/net/ipv4/conf/%s/arp_accept' % ifaceobj.name, '0') | |
75afe2a7 RP |
286 | if hwaddress and is_vlan_dev_on_vlan_aware_bridge: |
287 | if up: | |
288 | self.ipcmd.bridge_fdb_add(bridgename, hwaddress, vlan) | |
289 | else: | |
290 | self.ipcmd.bridge_fdb_del(bridgename, hwaddress, vlan) | |
cb46a208 | 291 | |
0582f185 RP |
292 | def _get_anycast_addr(self, ifaceobjlist): |
293 | for ifaceobj in ifaceobjlist: | |
294 | anycast_addr = ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip') | |
295 | if anycast_addr: | |
296 | anycast_addr = anycast_addr+'/32' | |
297 | return anycast_addr | |
298 | return None | |
299 | ||
300 | def _inet_address_convert_to_cidr(self, ifaceobjlist): | |
15ef32ea | 301 | newaddrs = [] |
0582f185 RP |
302 | newaddr_attrs = {} |
303 | ||
304 | for ifaceobj in ifaceobjlist: | |
305 | addrs = ifaceobj.get_attr_value('address') | |
306 | if not addrs: | |
307 | continue | |
308 | ||
22b49c28 JF |
309 | if not self.syntax_check_addr_allowed_on(ifaceobj, |
310 | syntax_check=False): | |
0582f185 | 311 | return (False, newaddrs, newaddr_attrs) |
15ef32ea RP |
312 | # If user address is not in CIDR notation, convert them to CIDR |
313 | for addr_index in range(0, len(addrs)): | |
314 | addr = addrs[addr_index] | |
8de397ef | 315 | newaddr = addr |
15ef32ea RP |
316 | if '/' in addr: |
317 | newaddrs.append(addr) | |
42ae7838 | 318 | else: |
8de397ef MW |
319 | netmask = ifaceobj.get_attr_value_n('netmask', addr_index) |
320 | if netmask: | |
321 | prefixlen = IPNetwork('%s' %addr + | |
322 | '/%s' %netmask).prefixlen | |
323 | newaddr = addr + '/%s' %prefixlen | |
324 | else: | |
325 | # we are here because there is no slash (/xx) and no netmask | |
326 | # just let IPNetwork handle the ipv4 or ipv6 address mask | |
327 | prefixlen = IPNetwork(addr).prefixlen | |
328 | newaddr = addr + '/%s' %prefixlen | |
329 | newaddrs.append(newaddr) | |
15ef32ea | 330 | |
0582f185 RP |
331 | attrs = {} |
332 | for a in ['broadcast', 'pointopoint', 'scope', | |
333 | 'preferred-lifetime']: | |
334 | aval = ifaceobj.get_attr_value_n(a, addr_index) | |
335 | if aval: | |
72c964c2 | 336 | attrs[a] = aval |
0582f185 RP |
337 | |
338 | if attrs: | |
339 | newaddr_attrs[newaddr]= attrs | |
340 | return (True, newaddrs, newaddr_attrs) | |
341 | ||
77021aa1 RP |
342 | def _inet_address_list_config(self, ifaceobj, newaddrs, newaddr_attrs): |
343 | for addr_index in range(0, len(newaddrs)): | |
344 | try: | |
345 | if newaddr_attrs: | |
346 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index], | |
347 | newaddr_attrs.get(newaddrs[addr_index], | |
348 | {}).get('broadcast'), | |
349 | newaddr_attrs.get(newaddrs[addr_index], | |
350 | {}).get('pointopoint'), | |
351 | newaddr_attrs.get(newaddrs[addr_index], | |
352 | {}).get('scope'), | |
353 | newaddr_attrs.get(newaddrs[addr_index], | |
354 | {}).get('preferred-lifetime')) | |
355 | else: | |
356 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index]) | |
357 | except Exception, e: | |
bf3eda91 | 358 | self.log_error(str(e), ifaceobj) |
77021aa1 RP |
359 | |
360 | def _inet_address_config(self, ifaceobj, ifaceobj_getfunc=None, | |
361 | force_reapply=False): | |
0582f185 | 362 | squash_addr_config = (True if \ |
d486dd0d JF |
363 | ifupdownconfig.config.get('addr_config_squash', \ |
364 | '0') == '1' else False) | |
0582f185 RP |
365 | |
366 | if (squash_addr_config and | |
367 | not (ifaceobj.flags & ifaceobj.YOUNGEST_SIBLING)): | |
368 | return | |
369 | ||
370 | purge_addresses = ifaceobj.get_attr_value_first('address-purge') | |
371 | if not purge_addresses: | |
372 | purge_addresses = 'yes' | |
373 | ||
374 | if squash_addr_config and ifaceobj.flags & iface.HAS_SIBLINGS: | |
375 | ifaceobjlist = ifaceobj_getfunc(ifaceobj.name) | |
376 | else: | |
377 | ifaceobjlist = [ifaceobj] | |
378 | ||
d486dd0d JF |
379 | module_name = self.__class__.__name__ |
380 | ifname = ifaceobj.name | |
381 | ||
0582f185 | 382 | (addr_supported, newaddrs, newaddr_attrs) = self._inet_address_convert_to_cidr(ifaceobjlist) |
d486dd0d JF |
383 | newaddrs = utils.get_ip_objs(module_name, ifname, newaddrs) |
384 | ||
0582f185 RP |
385 | if not addr_supported: |
386 | return | |
387 | if (not squash_addr_config and (ifaceobj.flags & iface.HAS_SIBLINGS)): | |
388 | # if youngest sibling and squash addr is not set | |
389 | # print a warning that addresses will not be purged | |
390 | if (ifaceobj.flags & iface.YOUNGEST_SIBLING): | |
391 | self.logger.warn('%s: interface has multiple ' %ifaceobj.name + | |
392 | 'iface stanzas, skip purging existing addresses') | |
393 | purge_addresses = 'no' | |
394 | ||
fc5e1735 | 395 | if not ifupdownflags.flags.PERFMODE and purge_addresses == 'yes': |
0582f185 RP |
396 | # if perfmode is not set and purge addresses is not set to 'no' |
397 | # lets purge addresses not in the config | |
d486dd0d | 398 | runningaddrs = self.ipcmd.get_running_addrs(ifaceobj, details=False) |
0582f185 | 399 | |
a794fb31 BR |
400 | # if anycast address is configured on 'lo' and is in running config |
401 | # add it to newaddrs so that ifreload doesn't wipe it out | |
82908a2d | 402 | anycast_addr = utils.get_normalized_ip_addr(ifaceobj.name, self._get_anycast_addr(ifaceobjlist)) |
0582f185 | 403 | |
a794fb31 BR |
404 | if runningaddrs and anycast_addr and anycast_addr in runningaddrs: |
405 | newaddrs.append(anycast_addr) | |
d486dd0d JF |
406 | |
407 | user_ip4, user_ip6, newaddrs = self.order_user_configured_addrs(newaddrs) | |
408 | ||
409 | if newaddrs == runningaddrs or self.compare_running_ips_and_user_config(user_ip4, user_ip6, runningaddrs): | |
77021aa1 RP |
410 | if force_reapply: |
411 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) | |
15ef32ea RP |
412 | return |
413 | try: | |
414 | # if primary address is not same, there is no need to keep any. | |
415 | # reset all addresses | |
d486dd0d JF |
416 | if newaddrs and runningaddrs and newaddrs[0] != runningaddrs[0]: |
417 | skip_addrs = [] | |
15ef32ea | 418 | else: |
d486dd0d JF |
419 | skip_addrs = newaddrs or [] |
420 | for addr in runningaddrs or []: | |
421 | if addr in skip_addrs: | |
422 | continue | |
423 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
15ef32ea RP |
424 | except Exception, e: |
425 | self.log_warn(str(e)) | |
426 | if not newaddrs: | |
427 | return | |
77021aa1 | 428 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) |
15ef32ea | 429 | |
d486dd0d JF |
430 | def compare_running_ips_and_user_config(self, user_ip4, user_ip6, running_addrs): |
431 | """ | |
432 | We need to compare the user config ips and the running ips. | |
433 | ip4 ordering matters (primary etc) but ip6 order doesn't matter | |
434 | ||
435 | this function replaces the strict comparison previously in place | |
436 | if newaddrs == running_addrs ? | |
437 | ||
438 | We will compare if the ip4 ordering is correct, then check if all | |
439 | ip6 are present in the list (without checking the ordering) | |
440 | """ | |
441 | if (user_ip4 or user_ip6) and not running_addrs: | |
442 | return False | |
443 | elif running_addrs and not user_ip4 and not user_ip6: | |
444 | return False | |
445 | elif not running_addrs and not user_ip4 and not user_ip6: | |
446 | return True | |
447 | ||
448 | len_ip4 = len(user_ip4) | |
449 | len_running_addrs = len(running_addrs) | |
450 | ||
451 | if len_ip4 > len_running_addrs: | |
452 | return False | |
453 | ||
454 | i = 0 | |
455 | while i < len_ip4: | |
456 | if user_ip4[i] != running_addrs[i]: | |
457 | return False | |
458 | i += 1 | |
459 | ||
460 | if len_ip4 > 0: | |
461 | running_ip6 = running_addrs[len_ip4:] | |
462 | else: | |
463 | running_ip6 = running_addrs | |
464 | ||
465 | i = 0 | |
466 | len_ip6 = len(user_ip6) | |
467 | ||
468 | for ip6 in running_ip6: | |
469 | if ip6 not in user_ip6: | |
470 | return False | |
471 | i += 1 | |
472 | ||
473 | return i == len_ip6 | |
474 | ||
475 | def order_user_configured_addrs(self, user_config_addrs): | |
476 | ip4 = [] | |
477 | ip6 = [] | |
478 | ||
479 | for a in user_config_addrs: | |
480 | if isinstance(a, _BaseV6): | |
481 | ip6.append(str(a)) | |
482 | else: | |
483 | ip4.append(str(a)) | |
484 | ||
485 | return ip4, ip6, ip4 + ip6 | |
486 | ||
487 | def _delete_gateway(self, ifaceobj, gateways, vrf, metric): | |
488 | for del_gw in gateways: | |
0232d1bb N |
489 | try: |
490 | self.ipcmd.route_del_gateway(ifaceobj.name, del_gw, vrf, metric) | |
5b666749 JF |
491 | except Exception as e: |
492 | self.logger.debug('%s: %s' % (ifaceobj.name, str(e))) | |
d486dd0d JF |
493 | |
494 | def _add_delete_gateway(self, ifaceobj, gateways=[], prev_gw=[]): | |
495 | vrf = ifaceobj.get_attr_value_first('vrf') | |
496 | metric = ifaceobj.get_attr_value_first('metric') | |
497 | self._delete_gateway(ifaceobj, list(set(prev_gw) - set(gateways)), | |
498 | vrf, metric) | |
4b875c17 | 499 | for add_gw in gateways: |
0232d1bb | 500 | try: |
d486dd0d | 501 | self.ipcmd.route_add_gateway(ifaceobj.name, add_gw, vrf, metric) |
5b666749 JF |
502 | except Exception as e: |
503 | self.log_error('%s: %s' % (ifaceobj.name, str(e))) | |
0232d1bb N |
504 | |
505 | def _get_prev_gateway(self, ifaceobj, gateways): | |
506 | ipv = [] | |
507 | saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(ifaceobj.name) | |
508 | if not saved_ifaceobjs: | |
509 | return ipv | |
510 | prev_gateways = saved_ifaceobjs[0].get_attr_value('gateway') | |
511 | if not prev_gateways: | |
512 | return ipv | |
513 | return prev_gateways | |
514 | ||
8d1e346f RP |
515 | def _check_mtu_config(self, ifaceobj, mtu, ifaceobj_getfunc, syntaxcheck=False): |
516 | retval = True | |
517 | if (ifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
518 | if syntaxcheck: | |
519 | self.logger.warn('%s: bridge inherits mtu from its ports. There is no need to assign mtu on a bridge' %ifaceobj.name) | |
520 | retval = False | |
521 | else: | |
9f30b2cc | 522 | self.logger.info('%s: bridge inherits mtu from its ports. There is no need to assign mtu on a bridge' %ifaceobj.name) |
8d1e346f RP |
523 | elif ifaceobj_getfunc: |
524 | if ((ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and | |
525 | ifaceobj.upperifaces): | |
9f30b2cc RP |
526 | masterobj = ifaceobj_getfunc(ifaceobj.upperifaces[0]) |
527 | if masterobj: | |
528 | master_mtu = masterobj[0].get_attr_value_first('mtu') | |
529 | if master_mtu and master_mtu != mtu: | |
8d1e346f RP |
530 | if syntaxcheck: |
531 | 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)) | |
532 | retval = False | |
533 | else: | |
534 | 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)) | |
535 | elif ((ifaceobj.link_kind & ifaceLinkKind.VLAN) and | |
536 | ifaceobj.lowerifaces): | |
537 | lowerobj = ifaceobj_getfunc(ifaceobj.lowerifaces[0]) | |
538 | if lowerobj: | |
539 | if syntaxcheck: | |
540 | lowerdev_mtu = lowerobj[0].get_attr_value_first('mtu') | |
541 | else: | |
d486dd0d | 542 | lowerdev_mtu = self.ipcmd.link_get_mtu_sysfs(lowerobj[0].name) |
8d1e346f RP |
543 | if lowerdev_mtu and int(mtu) > int(lowerdev_mtu): |
544 | self.logger.warn('%s: vlan dev mtu %s is greater than lower realdev %s mtu %s' | |
545 | %(ifaceobj.name, mtu, lowerobj[0].name, lowerdev_mtu)) | |
546 | retval = False | |
547 | elif (not lowerobj[0].link_kind and | |
548 | not (lowerobj[0].link_privflags & ifaceLinkPrivFlags.LOOPBACK) and | |
d486dd0d JF |
549 | not lowerdev_mtu and self.default_mtu and |
550 | (int(mtu) > int(self.default_mtu))): | |
8d1e346f RP |
551 | # only check default mtu on lower device which is a physical interface |
552 | self.logger.warn('%s: vlan dev mtu %s is greater than lower realdev %s mtu %s' | |
553 | %(ifaceobj.name, mtu, lowerobj[0].name, self.default_mtu)) | |
554 | retval = False | |
9f30b2cc RP |
555 | if self.max_mtu and mtu > self.max_mtu: |
556 | self.logger.warn('%s: specified mtu %s is greater than max mtu %s' | |
557 | %(ifaceobj.name, mtu, self.max_mtu)) | |
8d1e346f RP |
558 | retval = False |
559 | return retval | |
560 | ||
561 | def _propagate_mtu_to_upper_devs(self, ifaceobj, mtu, ifaceobj_getfunc): | |
562 | if (not ifaceobj.upperifaces or | |
563 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) or | |
564 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE) or | |
565 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT)): | |
566 | return | |
567 | for u in ifaceobj.upperifaces: | |
568 | upperobjs = ifaceobj_getfunc(u) | |
569 | if (not upperobjs or | |
570 | not (upperobjs[0].link_kind & ifaceLinkKind.VLAN)): | |
571 | continue | |
572 | # only adjust mtu for vlan devices on ifaceobj | |
573 | umtu = upperobjs[0].get_attr_value_first('mtu') | |
574 | if not umtu: | |
575 | running_mtu = self.ipcmd.link_get_mtu(upperobjs[0].name) | |
576 | if not running_mtu or (running_mtu != mtu): | |
577 | self.ipcmd.link_set(u, 'mtu', mtu) | |
578 | ||
d486dd0d | 579 | def _process_mtu_config(self, ifaceobj, ifaceobj_getfunc, mtu): |
8d1e346f RP |
580 | if mtu: |
581 | if not self._check_mtu_config(ifaceobj, mtu, ifaceobj_getfunc): | |
582 | return | |
d486dd0d JF |
583 | cached_running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) |
584 | running_mtu = self.ipcmd.link_get_mtu_sysfs(ifaceobj.name) | |
8d1e346f | 585 | if not running_mtu or (running_mtu and running_mtu != mtu): |
d486dd0d JF |
586 | force = cached_running_mtu != running_mtu |
587 | self.ipcmd.link_set(ifaceobj.name, 'mtu', mtu, force=force) | |
8d1e346f RP |
588 | if (not ifupdownflags.flags.ALL and |
589 | not ifaceobj.link_kind and | |
d486dd0d | 590 | ifupdownconfig.config.get('adjust_logical_dev_mtu', '1') != '0'): |
8d1e346f RP |
591 | # This is additional cost to us, so do it only when |
592 | # ifupdown2 is called on a particular interface and | |
593 | # it is a physical interface | |
594 | self._propagate_mtu_to_upper_devs(ifaceobj, mtu, ifaceobj_getfunc) | |
9f30b2cc RP |
595 | return |
596 | ||
597 | if ifaceobj.link_kind: | |
598 | # bonds and vxlan devices need an explicit set of mtu. | |
599 | # bridges don't need mtu set | |
600 | if (ifaceobj.link_kind & ifaceLinkKind.BOND or | |
601 | ifaceobj.link_kind & ifaceLinkKind.VXLAN): | |
602 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) | |
603 | if (self.default_mtu and running_mtu != self.default_mtu): | |
604 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
605 | return | |
d486dd0d | 606 | if (ifupdownconfig.config.get('adjust_logical_dev_mtu', '1') != '0' |
9f30b2cc RP |
607 | and ifaceobj.lowerifaces): |
608 | # set vlan interface mtu to lower device mtu | |
609 | if (ifaceobj.link_kind & ifaceLinkKind.VLAN): | |
d486dd0d JF |
610 | lower_iface = ifaceobj.lowerifaces[0] |
611 | if lower_iface not in self.lower_iface_mtu_checked_list: | |
612 | lower_iface_mtu = self.ipcmd.link_get_mtu_sysfs(lower_iface) | |
613 | self.ipcmd.cache_update([lower_iface, 'mtu'], lower_iface_mtu) | |
614 | self.lower_iface_mtu_checked_list.append(lower_iface) | |
615 | else: | |
616 | lower_iface_mtu = self.ipcmd.link_get_mtu(lower_iface) | |
617 | ||
618 | if lower_iface_mtu != self.ipcmd.link_get_mtu_sysfs(ifaceobj.name): | |
9f30b2cc RP |
619 | self.ipcmd.link_set_mtu(ifaceobj.name, lower_iface_mtu) |
620 | ||
621 | elif (not (ifaceobj.name == 'lo') and not ifaceobj.link_kind and | |
622 | not (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and | |
623 | self.default_mtu): | |
624 | # logical devices like bridges and vlan devices rely on mtu | |
625 | # from their lower devices. ie mtu travels from | |
626 | # lower devices to upper devices. For bonds mtu travels from | |
627 | # upper to lower devices. running mtu depends on upper and | |
628 | # lower device mtu. With all this implicit mtu | |
629 | # config by the kernel in play, we try to be cautious here | |
630 | # on which devices we want to reset mtu to default. | |
631 | # essentially only physical interfaces which are not bond slaves | |
632 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) | |
633 | if running_mtu != self.default_mtu: | |
634 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
635 | ||
d486dd0d JF |
636 | def _set_bridge_forwarding(self, ifaceobj): |
637 | """ set ip forwarding to 0 if bridge interface does not have a | |
638 | ip nor svi """ | |
639 | if not ifaceobj.upperifaces and not ifaceobj.get_attr_value('address'): | |
640 | # set forwarding = 0 | |
641 | if self.sysctl_get('net.ipv4.conf.%s.forwarding' %ifaceobj.name) == '1': | |
642 | self.sysctl_set('net.ipv4.conf.%s.forwarding' %ifaceobj.name, 0) | |
643 | if self.sysctl_get('net.ipv6.conf.%s.forwarding' %ifaceobj.name) == '1': | |
644 | self.sysctl_set('net.ipv6.conf.%s.forwarding' %ifaceobj.name, 0) | |
645 | else: | |
646 | if self.sysctl_get('net.ipv4.conf.%s.forwarding' %ifaceobj.name) == '0': | |
647 | self.sysctl_set('net.ipv4.conf.%s.forwarding' %ifaceobj.name, 1) | |
648 | if self.sysctl_get('net.ipv6.conf.%s.forwarding' %ifaceobj.name) == '0': | |
649 | self.sysctl_set('net.ipv6.conf.%s.forwarding' %ifaceobj.name, 1) | |
650 | ||
651 | def _sysctl_config(self, ifaceobj): | |
652 | setting_default_value = False | |
653 | mpls_enable = ifaceobj.get_attr_value_first('mpls-enable'); | |
654 | if not mpls_enable: | |
655 | setting_default_value = True | |
656 | mpls_enable = self.get_mod_subattr('mpls-enable', 'default') | |
657 | mpls_enable = utils.boolean_support_binary(mpls_enable) | |
658 | # File read has been used for better performance | |
659 | # instead of using sysctl command | |
660 | if ifupdownflags.flags.PERFMODE: | |
661 | running_mpls_enable = '0' | |
662 | else: | |
663 | running_mpls_enable = self.read_file_oneline( | |
664 | '/proc/sys/net/mpls/conf/%s/input' | |
665 | % ifaceobj.name | |
666 | ) | |
667 | ||
668 | if mpls_enable != running_mpls_enable: | |
669 | try: | |
670 | self.sysctl_set('net.mpls.conf.%s.input' | |
671 | %('/'.join(ifaceobj.name.split("."))), | |
672 | mpls_enable) | |
673 | except Exception as e: | |
674 | if not setting_default_value: | |
675 | ifaceobj.status = ifaceStatus.ERROR | |
676 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
677 | ||
678 | if (ifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
679 | self._set_bridge_forwarding(ifaceobj) | |
680 | return | |
681 | if not self.syntax_check_sysctls(ifaceobj): | |
682 | return | |
683 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
684 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
685 | if ifupdownflags.flags.PERFMODE: | |
686 | if ipforward: | |
687 | self.sysctl_set('net.ipv4.conf.%s.forwarding' | |
688 | %('/'.join(ifaceobj.name.split("."))), | |
689 | utils.boolean_support_binary(ipforward)) | |
690 | if ip6forward: | |
691 | self.sysctl_set('net.ipv6.conf.%s.forwarding' | |
692 | %('/'.join(ifaceobj.name.split("."))), | |
693 | utils.boolean_support_binary(ip6forward)) | |
694 | return | |
695 | bridge_port = ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT | |
696 | if bridge_port: | |
697 | if ipforward: | |
698 | self.log_error('%s: \'ip-forward\' is not supported for ' | |
699 | 'bridge port' %ifaceobj.name) | |
700 | if ip6forward: | |
701 | self.log_error('%s: \'ip6-forward\' is not supported for ' | |
702 | 'bridge port' %ifaceobj.name) | |
703 | return | |
704 | setting_default_value = False | |
705 | if not ipforward: | |
706 | setting_default_value = True | |
707 | ipforward = (self.ipforward or | |
708 | self.get_mod_subattr('ip-forward', 'default')) | |
709 | ipforward = utils.boolean_support_binary(ipforward) | |
710 | # File read has been used for better performance | |
711 | # instead of using sysctl command | |
712 | running_ipforward = self.read_file_oneline( | |
713 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
714 | %ifaceobj.name) | |
715 | if ipforward != running_ipforward: | |
716 | try: | |
717 | self.sysctl_set('net.ipv4.conf.%s.forwarding' | |
718 | %('/'.join(ifaceobj.name.split("."))), | |
719 | ipforward) | |
720 | except Exception as e: | |
721 | if not setting_default_value: | |
722 | ifaceobj.status = ifaceStatus.ERROR | |
723 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
724 | ||
725 | setting_default_value = False | |
726 | if not ip6forward: | |
727 | setting_default_value = True | |
728 | ip6forward = (self.ip6forward or | |
729 | self.get_mod_subattr('ip6-forward', 'default')) | |
730 | ip6forward = utils.boolean_support_binary(ip6forward) | |
731 | # File read has been used for better performance | |
732 | # instead of using sysctl command | |
733 | running_ip6forward = self.read_file_oneline( | |
734 | '/proc/sys/net/ipv6/conf/%s/forwarding' | |
735 | %ifaceobj.name) | |
736 | if ip6forward != running_ip6forward: | |
737 | try: | |
738 | self.sysctl_set('net.ipv6.conf.%s.forwarding' | |
739 | %('/'.join(ifaceobj.name.split("."))), | |
740 | ip6forward) | |
741 | except Exception as e: | |
742 | # There is chance of ipv6 being removed because of, | |
743 | # for example, setting mtu < 1280 | |
744 | # In such cases, log error only if user has configured | |
745 | # ip6-forward | |
746 | if not setting_default_value: | |
747 | ifaceobj.status = ifaceStatus.ERROR | |
748 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
749 | ||
750 | def process_mtu(self, ifaceobj, ifaceobj_getfunc): | |
751 | mtu = ifaceobj.get_attr_value_first('mtu') | |
752 | ||
753 | if not mtu: | |
754 | default_iface_mtu = self.ifaces_defaults.get(ifaceobj.name, {}).get('mtu') | |
755 | ||
756 | if default_iface_mtu: | |
757 | try: | |
758 | mtu = default_iface_mtu | |
759 | int(default_iface_mtu) | |
760 | except Exception as e: | |
761 | self.logger.warning('%s: MTU value from policy file: %s' % (ifaceobj.name, str(e))) | |
762 | return | |
763 | ||
764 | self._process_mtu_config(ifaceobj, ifaceobj_getfunc, mtu) | |
765 | ||
3fc54eef | 766 | def up_ipv6_addrgen(self, ifaceobj): |
007cae35 JF |
767 | user_configured_ipv6_addrgen = ifaceobj.get_attr_value_first('ipv6-addrgen') |
768 | ||
b306a8b6 JF |
769 | if not user_configured_ipv6_addrgen and ifupdownflags.flags.PERFMODE: |
770 | # no need to go further during perfmode (boot) | |
771 | return | |
772 | ||
007cae35 | 773 | if not user_configured_ipv6_addrgen: |
17da0561 JF |
774 | # if user didn't configure ipv6-addrgen, should we reset to default? |
775 | user_configured_ipv6_addrgen = self.get_attr_default_value('ipv6-addrgen') | |
007cae35 JF |
776 | |
777 | ipv6_addrgen_nl = { | |
778 | 'on': 0, | |
779 | 'yes': 0, | |
780 | '0': 0, | |
781 | 'off': 1, | |
782 | 'no': 1, | |
783 | '1': 1 | |
784 | }.get(user_configured_ipv6_addrgen.lower(), None) | |
785 | ||
786 | if ipv6_addrgen_nl is not None: | |
787 | self.ipcmd.ipv6_addrgen(ifaceobj.name, ipv6_addrgen_nl, link_created=True) | |
788 | # link_create=False will flush the addr cache of that intf | |
789 | else: | |
790 | self.logger.warning('%s: invalid value "%s" for attribute ipv6-addrgen' % (ifaceobj.name, user_configured_ipv6_addrgen)) | |
3fc54eef | 791 | |
0582f185 | 792 | def _up(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
793 | if not self.ipcmd.link_exists(ifaceobj.name): |
794 | return | |
2ff98bb9 | 795 | |
d486dd0d JF |
796 | if not self.syntax_check_enable_l3_iface_forwardings(ifaceobj, ifaceobj_getfunc): |
797 | return | |
798 | ||
2ff98bb9 JF |
799 | alias = ifaceobj.get_attr_value_first('alias') |
800 | current_alias = self.ipcmd.link_get_alias(ifaceobj.name) | |
801 | if alias and alias != current_alias: | |
802 | self.ipcmd.link_set_alias(ifaceobj.name, alias) | |
803 | elif not alias and current_alias: | |
804 | self.ipcmd.link_set_alias(ifaceobj.name, '') | |
805 | ||
d486dd0d JF |
806 | self._sysctl_config(ifaceobj) |
807 | ||
68d9fee0 | 808 | addr_method = ifaceobj.addr_method |
77021aa1 | 809 | force_reapply = False |
15ef32ea RP |
810 | try: |
811 | # release any stale dhcp addresses if present | |
77054f7f | 812 | if (addr_method not in ["dhcp", "ppp"] and not ifupdownflags.flags.PERFMODE and |
15ef32ea RP |
813 | not (ifaceobj.flags & iface.HAS_SIBLINGS)): |
814 | # if not running in perf mode and ifaceobj does not have | |
815 | # any sibling iface objects, kill any stale dhclient | |
816 | # processes | |
75afe2a7 | 817 | dhclientcmd = dhclient() |
7c1135ea | 818 | if dhclientcmd.is_running(ifaceobj.name): |
15ef32ea RP |
819 | # release any dhcp leases |
820 | dhclientcmd.release(ifaceobj.name) | |
77021aa1 | 821 | force_reapply = True |
7c1135ea | 822 | elif dhclientcmd.is_running6(ifaceobj.name): |
15ef32ea | 823 | dhclientcmd.release6(ifaceobj.name) |
77021aa1 | 824 | force_reapply = True |
15ef32ea RP |
825 | except: |
826 | pass | |
8e113d63 | 827 | |
15ef32ea | 828 | self.ipcmd.batch_start() |
3fc54eef JF |
829 | self.up_ipv6_addrgen(ifaceobj) |
830 | ||
77054f7f | 831 | if addr_method not in ["dhcp", "ppp"]: |
77021aa1 RP |
832 | self._inet_address_config(ifaceobj, ifaceobj_getfunc, |
833 | force_reapply) | |
d486dd0d JF |
834 | |
835 | self.process_mtu(ifaceobj, ifaceobj_getfunc) | |
13e22530 | 836 | |
093ffa00 JF |
837 | try: |
838 | self.ipcmd.batch_commit() | |
839 | except Exception as e: | |
03092649 | 840 | self.log_error('%s: %s' % (ifaceobj.name, str(e)), ifaceobj, raise_error=False) |
264dcaa0 | 841 | |
68d9fee0 | 842 | try: |
707aeb73 JF |
843 | hwaddress = self._get_hwaddress(ifaceobj) |
844 | if hwaddress: | |
845 | running_hwaddress = None | |
846 | if not ifupdownflags.flags.PERFMODE: # system is clean | |
847 | running_hwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) | |
848 | if hwaddress != running_hwaddress: | |
849 | slave_down = False | |
850 | netlink.link_set_updown(ifaceobj.name, "down") | |
851 | if ifaceobj.link_kind & ifaceLinkKind.BOND: | |
852 | # if bond, down all the slaves | |
853 | if ifaceobj.lowerifaces: | |
854 | for l in ifaceobj.lowerifaces: | |
855 | netlink.link_set_updown(l, "down") | |
856 | slave_down = True | |
857 | try: | |
858 | self.ipcmd.link_set(ifaceobj.name, 'address', hwaddress) | |
859 | finally: | |
860 | netlink.link_set_updown(ifaceobj.name, "up") | |
861 | if slave_down: | |
862 | for l in ifaceobj.lowerifaces: | |
863 | netlink.link_set_updown(l, "up") | |
864 | ||
68d9fee0 RP |
865 | # Handle special things on a bridge |
866 | self._process_bridge(ifaceobj, True) | |
867 | except Exception, e: | |
bf3eda91 | 868 | self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj) |
cb46a208 | 869 | |
d486dd0d JF |
870 | gateways = ifaceobj.get_attr_value('gateway') |
871 | if not gateways: | |
872 | gateways = [] | |
873 | prev_gw = self._get_prev_gateway(ifaceobj, gateways) | |
874 | self._add_delete_gateway(ifaceobj, gateways, prev_gw) | |
15ef32ea | 875 | |
0582f185 | 876 | def _down(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
877 | try: |
878 | if not self.ipcmd.link_exists(ifaceobj.name): | |
879 | return | |
68d9fee0 | 880 | addr_method = ifaceobj.addr_method |
77054f7f | 881 | if addr_method not in ["dhcp", "ppp"]: |
aa052170 N |
882 | if ifaceobj.get_attr_value_first('address-purge')=='no': |
883 | addrlist = ifaceobj.get_attr_value('address') | |
884 | for addr in addrlist: | |
885 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
886 | #self.ipcmd.addr_del(ifaceobj.name, ifaceobj.get_attr_value('address')[0]) | |
d486dd0d JF |
887 | elif not ifaceobj.link_kind: |
888 | # for logical interfaces we don't need to remove the ip addresses | |
889 | # kernel will do it for us on 'ip link del' | |
aa052170 | 890 | self.ipcmd.del_addr_all(ifaceobj.name) |
d486dd0d JF |
891 | gateways = ifaceobj.get_attr_value('gateway') |
892 | if gateways: | |
893 | self._delete_gateway(ifaceobj, gateways, | |
894 | ifaceobj.get_attr_value_first('vrf'), | |
895 | ifaceobj.get_attr_value_first('metric')) | |
84f33af6 | 896 | mtu = ifaceobj.get_attr_value_first('mtu') |
00c12960 RP |
897 | if (not ifaceobj.link_kind and mtu and |
898 | self.default_mtu and (mtu != self.default_mtu)): | |
84f33af6 | 899 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) |
15ef32ea RP |
900 | alias = ifaceobj.get_attr_value_first('alias') |
901 | if alias: | |
d486dd0d | 902 | self.write_file('/sys/class/net/%s/ifalias' % ifaceobj.name, '\n') |
75afe2a7 RP |
903 | # XXX hwaddress reset cannot happen because we dont know last |
904 | # address. | |
905 | ||
906 | # Handle special things on a bridge | |
907 | self._process_bridge(ifaceobj, False) | |
15ef32ea | 908 | except Exception, e: |
bcf11b14 RP |
909 | self.logger.debug('%s : %s' %(ifaceobj.name, str(e))) |
910 | pass | |
15ef32ea RP |
911 | |
912 | def _get_iface_addresses(self, ifaceobj): | |
913 | addrlist = ifaceobj.get_attr_value('address') | |
914 | outaddrlist = [] | |
915 | ||
916 | if not addrlist: return None | |
917 | for addrindex in range(0, len(addrlist)): | |
918 | addr = addrlist[addrindex] | |
919 | netmask = ifaceobj.get_attr_value_n('netmask', addrindex) | |
920 | if netmask: | |
921 | prefixlen = IPNetwork('%s' %addr + | |
922 | '/%s' %netmask).prefixlen | |
923 | addr = addr + '/%s' %prefixlen | |
924 | outaddrlist.append(addr) | |
925 | return outaddrlist | |
926 | ||
8e113d63 RP |
927 | def _get_bridge_fdbs(self, bridgename, vlan): |
928 | fdbs = self._bridge_fdb_query_cache.get(bridgename) | |
929 | if not fdbs: | |
930 | fdbs = self.ipcmd.bridge_fdb_show_dev(bridgename) | |
931 | if not fdbs: | |
932 | return | |
933 | self._bridge_fdb_query_cache[bridgename] = fdbs | |
934 | return fdbs.get(vlan) | |
935 | ||
936 | def _check_addresses_in_bridge(self, ifaceobj, hwaddress): | |
937 | """ If the device is a bridge, make sure the addresses | |
938 | are in the bridge """ | |
d486dd0d JF |
939 | if ifaceobj.link_kind & ifaceLinkKind.VLAN: |
940 | bridgename = ifaceobj.lowerifaces[0] | |
941 | vlan = self._get_vlan_id(ifaceobj) | |
8e113d63 | 942 | if self.ipcmd.bridge_is_vlan_aware(bridgename): |
d486dd0d | 943 | fdb_addrs = self._get_bridge_fdbs(bridgename, str(vlan)) |
8e113d63 RP |
944 | if not fdb_addrs or hwaddress not in fdb_addrs: |
945 | return False | |
946 | return True | |
947 | ||
d486dd0d JF |
948 | def _query_sysctl(self, ifaceobj, ifaceobjcurr): |
949 | bridge_port = ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT | |
950 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
951 | if ipforward: | |
952 | if bridge_port: | |
953 | ifaceobjcurr.status = ifaceStatus.ERROR | |
954 | ifaceobjcurr.status_str = ('\'ip-forward\' not supported ' + | |
955 | 'for bridge port') | |
956 | ifaceobjcurr.update_config_with_status('ip-forward', 1, None) | |
957 | else: | |
958 | running_ipforward = self.read_file_oneline( | |
959 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
960 | %ifaceobj.name) | |
307e814c JF |
961 | running_ipforward = utils.get_boolean_from_string(running_ipforward) |
962 | config_ipforward = utils.get_boolean_from_string(ipforward) | |
963 | ifaceobjcurr.update_config_with_status( | |
964 | 'ip-forward', | |
965 | 'on' if running_ipforward else 'off', | |
966 | running_ipforward != config_ipforward | |
967 | ) | |
d486dd0d JF |
968 | |
969 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
970 | if ip6forward: | |
971 | if bridge_port: | |
972 | ifaceobjcurr.status = ifaceStatus.ERROR | |
973 | ifaceobjcurr.status_str = ('\'ip6-forward\' not supported ' + | |
974 | 'for bridge port') | |
975 | ifaceobjcurr.update_config_with_status('ip6-forward', 1, None) | |
976 | else: | |
977 | running_ip6forward = self.read_file_oneline( | |
978 | '/proc/sys/net/ipv6/conf/%s/forwarding' | |
979 | %ifaceobj.name) | |
307e814c JF |
980 | running_ip6forward = utils.get_boolean_from_string(running_ip6forward) |
981 | config_ip6forward = utils.get_boolean_from_string(ip6forward) | |
982 | ifaceobjcurr.update_config_with_status( | |
983 | 'ip6-forward', | |
984 | 'on' if running_ip6forward else 'off', | |
985 | running_ip6forward != config_ip6forward | |
986 | ) | |
d486dd0d JF |
987 | mpls_enable = ifaceobj.get_attr_value_first('mpls-enable'); |
988 | if mpls_enable: | |
989 | running_mpls_enable = self.read_file_oneline( | |
990 | '/proc/sys/net/mpls/conf/%s/input' | |
991 | %ifaceobj.name) | |
992 | running_mpls_enable = utils.get_yesno_from_onezero( | |
993 | running_mpls_enable) | |
994 | ifaceobjcurr.update_config_with_status('mpls-enable', | |
995 | running_mpls_enable, | |
996 | mpls_enable != running_mpls_enable) | |
997 | return | |
998 | ||
007cae35 JF |
999 | def query_check_ipv6_addrgen(self, ifaceobj, ifaceobjcurr): |
1000 | ipv6_addrgen = ifaceobj.get_attr_value_first('ipv6-addrgen') | |
1001 | ||
1002 | if not ipv6_addrgen: | |
1003 | return | |
1004 | ||
1005 | if ipv6_addrgen in utils._string_values: | |
1006 | ifaceobjcurr.update_config_with_status( | |
1007 | 'ipv6-addrgen', | |
1008 | ipv6_addrgen, | |
1009 | utils.get_boolean_from_string(ipv6_addrgen) == self.ipcmd.get_ipv6_addrgen_mode(ifaceobj.name) | |
1010 | ) | |
1011 | else: | |
1012 | ifaceobjcurr.update_config_with_status('ipv6-addrgen', ipv6_addrgen, 1) | |
1013 | ||
0582f185 | 1014 | def _query_check(self, ifaceobj, ifaceobjcurr, ifaceobj_getfunc=None): |
15ef32ea RP |
1015 | runningaddrsdict = None |
1016 | if not self.ipcmd.link_exists(ifaceobj.name): | |
1017 | self.logger.debug('iface %s not found' %ifaceobj.name) | |
1018 | return | |
007cae35 JF |
1019 | |
1020 | self.query_check_ipv6_addrgen(ifaceobj, ifaceobjcurr) | |
1021 | ||
16d854b4 | 1022 | addr_method = ifaceobj.addr_method |
15ef32ea RP |
1023 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
1024 | 'mtu', self.ipcmd.link_get_mtu) | |
428206bf | 1025 | hwaddress = self._get_hwaddress(ifaceobj) |
8e113d63 | 1026 | if hwaddress: |
2876ca35 | 1027 | rhwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) |
8e113d63 RP |
1028 | if not rhwaddress or rhwaddress != hwaddress: |
1029 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
1030 | 1) | |
1031 | elif not self._check_addresses_in_bridge(ifaceobj, hwaddress): | |
1032 | # XXX: hw address is not in bridge | |
1033 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
1034 | 1) | |
1035 | ifaceobjcurr.status_str = 'bridge fdb error' | |
1036 | else: | |
1037 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
1038 | 0) | |
15ef32ea RP |
1039 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
1040 | 'alias', self.ipcmd.link_get_alias) | |
d486dd0d | 1041 | self._query_sysctl(ifaceobj, ifaceobjcurr) |
15ef32ea | 1042 | # compare addresses |
77054f7f | 1043 | if addr_method in ["dhcp", "ppp"]: |
16d854b4 | 1044 | return |
82908a2d JF |
1045 | addrs = utils.get_normalized_ip_addr(ifaceobj.name, |
1046 | self._get_iface_addresses(ifaceobj)) | |
d486dd0d | 1047 | runningaddrsdict = self.ipcmd.get_running_addrs(ifaceobj) |
a794fb31 BR |
1048 | # if anycast address is configured on 'lo' and is in running config |
1049 | # add it to addrs so that query_check doesn't fail | |
82908a2d | 1050 | anycast_addr = utils.get_normalized_ip_addr(ifaceobj.name, ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip')) |
a794fb31 BR |
1051 | if anycast_addr: |
1052 | anycast_addr = anycast_addr+'/32' | |
1053 | if runningaddrsdict and anycast_addr and runningaddrsdict.get(anycast_addr): | |
1054 | addrs.append(anycast_addr) | |
15ef32ea RP |
1055 | |
1056 | # Set ifaceobjcurr method and family | |
1057 | ifaceobjcurr.addr_method = ifaceobj.addr_method | |
1058 | ifaceobjcurr.addr_family = ifaceobj.addr_family | |
1059 | if not runningaddrsdict and not addrs: | |
1060 | return | |
1061 | runningaddrs = runningaddrsdict.keys() if runningaddrsdict else [] | |
8de397ef MW |
1062 | # Add /32 netmask to configured address without netmask. |
1063 | # This may happen on interfaces where pointopoint is used. | |
1064 | runningaddrs = [ addr if '/' in addr else addr + '/32' for addr in runningaddrs] | |
15ef32ea RP |
1065 | if runningaddrs != addrs: |
1066 | runningaddrsset = set(runningaddrs) if runningaddrs else set([]) | |
1067 | addrsset = set(addrs) if addrs else set([]) | |
1068 | if (ifaceobj.flags & iface.HAS_SIBLINGS): | |
1069 | if not addrsset: | |
1070 | return | |
1071 | # only check for addresses present in running config | |
1072 | addrsdiff = addrsset.difference(runningaddrsset) | |
1073 | for addr in addrs: | |
1074 | if addr in addrsdiff: | |
1075 | ifaceobjcurr.update_config_with_status('address', | |
1076 | addr, 1) | |
1077 | else: | |
1078 | ifaceobjcurr.update_config_with_status('address', | |
1079 | addr, 0) | |
1080 | else: | |
1081 | addrsdiff = addrsset.symmetric_difference(runningaddrsset) | |
1082 | for addr in addrsset.union(runningaddrsset): | |
1083 | if addr in addrsdiff: | |
1084 | ifaceobjcurr.update_config_with_status('address', | |
1085 | addr, 1) | |
1086 | else: | |
1087 | ifaceobjcurr.update_config_with_status('address', | |
1088 | addr, 0) | |
1089 | elif addrs: | |
1090 | [ifaceobjcurr.update_config_with_status('address', | |
1091 | addr, 0) for addr in addrs] | |
1092 | #XXXX Check broadcast address, scope, etc | |
1093 | return | |
1094 | ||
007cae35 JF |
1095 | def query_running_ipv6_addrgen(self, ifaceobjrunning): |
1096 | ipv6_addrgen = self.ipcmd.get_ipv6_addrgen_mode(ifaceobjrunning.name) | |
1097 | ||
1098 | if ipv6_addrgen: | |
1099 | ifaceobjrunning.update_config('ipv6-addrgen', 'off') | |
1100 | ||
0582f185 | 1101 | def _query_running(self, ifaceobjrunning, ifaceobj_getfunc=None): |
15ef32ea RP |
1102 | if not self.ipcmd.link_exists(ifaceobjrunning.name): |
1103 | self.logger.debug('iface %s not found' %ifaceobjrunning.name) | |
15ef32ea | 1104 | return |
007cae35 JF |
1105 | |
1106 | self.query_running_ipv6_addrgen(ifaceobjrunning) | |
1107 | ||
15ef32ea RP |
1108 | dhclientcmd = dhclient() |
1109 | if (dhclientcmd.is_running(ifaceobjrunning.name) or | |
1110 | dhclientcmd.is_running6(ifaceobjrunning.name)): | |
1111 | # If dhcp is configured on the interface, we skip it | |
84f33af6 | 1112 | return |
15ef32ea RP |
1113 | isloopback = self.ipcmd.link_isloopback(ifaceobjrunning.name) |
1114 | if isloopback: | |
1115 | default_addrs = ['127.0.0.1/8', '::1/128'] | |
004d1e65 | 1116 | ifaceobjrunning.addr_family.append('inet') |
15ef32ea RP |
1117 | ifaceobjrunning.addr_method = 'loopback' |
1118 | else: | |
1119 | default_addrs = [] | |
d486dd0d | 1120 | runningaddrsdict = self.ipcmd.get_running_addrs(ifaceobjrunning) |
15ef32ea RP |
1121 | if runningaddrsdict: |
1122 | [ifaceobjrunning.update_config('address', addr) | |
1123 | for addr, addrattrs in runningaddrsdict.items() | |
1124 | if addr not in default_addrs] | |
1125 | mtu = self.ipcmd.link_get_mtu(ifaceobjrunning.name) | |
1126 | if (mtu and | |
1127 | (ifaceobjrunning.name == 'lo' and mtu != '16436') or | |
1128 | (ifaceobjrunning.name != 'lo' and | |
1129 | mtu != self.get_mod_subattr('mtu', 'default'))): | |
1130 | ifaceobjrunning.update_config('mtu', mtu) | |
1131 | alias = self.ipcmd.link_get_alias(ifaceobjrunning.name) | |
84f33af6 | 1132 | if alias: |
15ef32ea RP |
1133 | ifaceobjrunning.update_config('alias', alias) |
1134 | ||
d486dd0d JF |
1135 | ipforward = self.read_file_oneline( |
1136 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
1137 | %ifaceobjrunning.name) | |
1138 | ||
8d1e346f | 1139 | |
15ef32ea RP |
1140 | _run_ops = {'up' : _up, |
1141 | 'down' : _down, | |
1142 | 'query-checkcurr' : _query_check, | |
1143 | 'query-running' : _query_running } | |
1144 | ||
1145 | def get_ops(self): | |
1146 | """ returns list of ops supported by this module """ | |
1147 | return self._run_ops.keys() | |
1148 | ||
1149 | def _init_command_handlers(self): | |
1150 | if not self.ipcmd: | |
d486dd0d | 1151 | self.ipcmd = LinkUtils() |
15ef32ea | 1152 | |
6e16e5ae | 1153 | def run(self, ifaceobj, operation, query_ifaceobj=None, ifaceobj_getfunc=None): |
15ef32ea RP |
1154 | """ run address configuration on the interface object passed as argument |
1155 | ||
1156 | Args: | |
1157 | **ifaceobj** (object): iface object | |
1158 | ||
1159 | **operation** (str): any of 'up', 'down', 'query-checkcurr', | |
1160 | 'query-running' | |
1161 | Kwargs: | |
1162 | query_ifaceobj (object): query check ifaceobject. This is only | |
1163 | valid when op is 'query-checkcurr'. It is an object same as | |
1164 | ifaceobj, but contains running attribute values and its config | |
1165 | status. The modules can use it to return queried running state | |
1166 | of interfaces. status is success if the running state is same | |
1167 | as user required state in ifaceobj. error otherwise. | |
1168 | """ | |
8e113d63 RP |
1169 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
1170 | return | |
15ef32ea RP |
1171 | op_handler = self._run_ops.get(operation) |
1172 | if not op_handler: | |
1173 | return | |
15ef32ea RP |
1174 | self._init_command_handlers() |
1175 | if operation == 'query-checkcurr': | |
0582f185 RP |
1176 | op_handler(self, ifaceobj, query_ifaceobj, |
1177 | ifaceobj_getfunc=ifaceobj_getfunc) | |
15ef32ea | 1178 | else: |
0582f185 RP |
1179 | op_handler(self, ifaceobj, |
1180 | ifaceobj_getfunc=ifaceobj_getfunc) |