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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 | 98 | 'example' : ['clagd-vxlan-anycast-ip 36.0.0.11']}, |
45db39f6 AD |
99 | 'arp-accept' : |
100 | { 'help': 'Allow gratuitous arp to update arp table', | |
101 | 'validvals': ['on', 'off', 'yes', 'no', '0', '1'], | |
102 | 'default' : 'off', | |
103 | 'example' : ['arp-accept on']}, | |
d486dd0d JF |
104 | 'ip-forward' : |
105 | { 'help': 'ip forwarding flag', | |
7b444c7c | 106 | 'validvals': ['on', 'off', 'yes', 'no', '0', '1'], |
d486dd0d JF |
107 | 'default' : 'off', |
108 | 'example' : ['ip-forward off']}, | |
109 | 'ip6-forward' : | |
110 | { 'help': 'ipv6 forwarding flag', | |
7b444c7c | 111 | 'validvals': ['on', 'off', 'yes', 'no', '0', '1'], |
d486dd0d JF |
112 | 'default' : 'off', |
113 | 'example' : ['ip6-forward off']}, | |
114 | 'mpls-enable' : | |
115 | { 'help': 'mpls enable flag', | |
116 | 'validvals': ['yes', 'no'], | |
117 | 'default' : 'no', | |
118 | 'example' : ['mpls-enable yes']}, | |
3fc54eef JF |
119 | 'ipv6-addrgen': { |
120 | 'help': 'enable disable ipv6 link addrgenmode', | |
121 | 'validvals': ['on', 'off'], | |
122 | 'default': 'on', | |
123 | 'example': [ | |
124 | 'ipv6-addrgen on', | |
125 | 'ipv6-addrgen off' | |
126 | ] | |
127 | } | |
d486dd0d | 128 | }} |
15ef32ea RP |
129 | |
130 | def __init__(self, *args, **kargs): | |
131 | moduleBase.__init__(self, *args, **kargs) | |
132 | self.ipcmd = None | |
8e113d63 | 133 | self._bridge_fdb_query_cache = {} |
84f33af6 | 134 | self.default_mtu = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='mtu') |
9f30b2cc | 135 | self.max_mtu = policymanager.policymanager_api.get_module_globals(module_name=self.__class__.__name__, attr='max_mtu') |
d486dd0d JF |
136 | self.ipforward = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='ip-forward') |
137 | self.ip6forward = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='ip6-forward') | |
138 | self.ifaces_defaults = policymanager.policymanager_api.get_iface_defaults(module_name=self.__class__.__name__) | |
139 | self.enable_l3_iface_forwarding_checks = utils.get_boolean_from_string( | |
140 | policymanager.policymanager_api.get_module_globals( | |
141 | self.__class__.__name__, | |
142 | 'enable_l3_iface_forwarding_checks' | |
143 | ) | |
144 | ) | |
9f30b2cc RP |
145 | |
146 | if not self.default_mtu: | |
147 | self.default_mtu = '1500' | |
148 | ||
149 | self.logger.info('address: using default mtu %s' %self.default_mtu) | |
150 | ||
151 | if self.max_mtu: | |
152 | self.logger.info('address: using max mtu %s' %self.max_mtu) | |
15ef32ea | 153 | |
d486dd0d JF |
154 | self.lower_iface_mtu_checked_list = list() |
155 | ||
8b57a467 JF |
156 | self.l3_intf_arp_accept = utils.get_boolean_from_string( |
157 | policymanager.policymanager_api.get_module_globals( | |
158 | module_name=self.__class__.__name__, | |
159 | attr='l3_intf_arp_accept' | |
160 | ), | |
161 | default=False | |
162 | ) | |
163 | ||
9d505185 JF |
164 | self.l3_intf_default_gateway_set_onlink = utils.get_boolean_from_string( |
165 | policymanager.policymanager_api.get_module_globals( | |
166 | module_name=self.__class__.__name__, | |
167 | attr='l3_intf_default_gateway_set_onlink' | |
168 | ), | |
169 | default=True | |
170 | ) | |
171 | ||
09096420 | 172 | def syntax_check(self, ifaceobj, ifaceobj_getfunc=None): |
22b49c28 | 173 | return (self.syntax_check_multiple_gateway(ifaceobj) |
09096420 | 174 | and self.syntax_check_addr_allowed_on(ifaceobj, True) |
d486dd0d JF |
175 | and self.syntax_check_mtu(ifaceobj, ifaceobj_getfunc) |
176 | and self.syntax_check_sysctls(ifaceobj) | |
177 | and self.syntax_check_enable_l3_iface_forwardings(ifaceobj, ifaceobj_getfunc, syntax_check=True)) | |
178 | ||
179 | def syntax_check_enable_l3_iface_forwardings(self, ifaceobj, ifaceobj_getfunc, syntax_check=False): | |
180 | if (self.enable_l3_iface_forwarding_checks | |
181 | and (ifaceobj.link_kind & ifaceLinkKind.VLAN | |
182 | or ifaceobj.link_kind & ifaceLinkKind.BRIDGE) | |
183 | and not ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT): | |
184 | ||
185 | ifname = ifaceobj.name | |
186 | vlan_addr = None | |
187 | vlan_ipforward_off = None | |
188 | ||
189 | for obj in ifaceobj_getfunc(ifname) or [ifaceobj]: | |
190 | if not vlan_addr: | |
191 | vlan_addr = obj.get_attr_value('address') | |
192 | ||
193 | if not vlan_ipforward_off: | |
194 | ip_forward_value = obj.get_attr_value_first('ip-forward') | |
195 | ||
196 | if ip_forward_value and not utils.get_boolean_from_string(ip_forward_value): | |
197 | vlan_ipforward_off = True | |
198 | ||
199 | if vlan_addr and vlan_ipforward_off: | |
200 | if syntax_check: | |
201 | raise Exception( | |
202 | 'configuring ip-forward off and ip address(es) (%s) is not compatible' | |
203 | % (', '.join(vlan_addr)) | |
204 | ) | |
205 | else: | |
206 | raise Exception( | |
207 | '%s: configuring ip-forward off and ip address(es) (%s) is not compatible' | |
208 | % (ifname, ', '.join(vlan_addr)) | |
209 | ) | |
210 | ||
211 | return True | |
212 | ||
213 | def syntax_check_sysctls(self, ifaceobj): | |
214 | result = True | |
215 | bridge_port = (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT) | |
216 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
217 | if bridge_port and ipforward: | |
218 | result = False | |
219 | self.log_error('%s: \'ip-forward\' is not supported for ' | |
220 | 'bridge port' %ifaceobj.name) | |
221 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
222 | if bridge_port and ip6forward: | |
223 | result = False | |
224 | self.log_error('%s: \'ip6-forward\' is not supported for ' | |
225 | 'bridge port' %ifaceobj.name) | |
226 | return result | |
09096420 RP |
227 | |
228 | def syntax_check_mtu(self, ifaceobj, ifaceobj_getfunc): | |
229 | mtu = ifaceobj.get_attr_value_first('mtu') | |
230 | if mtu: | |
231 | return self._check_mtu_config(ifaceobj, mtu, ifaceobj_getfunc, | |
232 | syntaxcheck=True) | |
233 | return True | |
22b49c28 JF |
234 | |
235 | def syntax_check_addr_allowed_on(self, ifaceobj, syntax_check=False): | |
236 | if ifaceobj.get_attr_value('address'): | |
237 | return utils.is_addr_ip_allowed_on(ifaceobj, syntax_check=syntax_check) | |
238 | return True | |
239 | ||
38365d4a JF |
240 | def _syntax_check_multiple_gateway(self, family, found, addr, type_obj): |
241 | if type(IPNetwork(addr)) == type_obj: | |
242 | if found: | |
243 | raise Exception('%s: multiple gateways for %s family' | |
244 | % (addr, family)) | |
245 | return True | |
246 | return False | |
247 | ||
22b49c28 | 248 | def syntax_check_multiple_gateway(self, ifaceobj): |
38365d4a JF |
249 | result = True |
250 | inet = False | |
251 | inet6 = False | |
252 | gateways = ifaceobj.get_attr_value('gateway') | |
253 | for addr in gateways if gateways else []: | |
254 | try: | |
255 | if self._syntax_check_multiple_gateway('inet', inet, addr, | |
256 | IPv4Network): | |
257 | inet = True | |
258 | if self._syntax_check_multiple_gateway('inet6', inet6, addr, | |
259 | IPv6Network): | |
260 | inet6 = True | |
261 | except Exception as e: | |
262 | self.logger.warning('%s: address: %s' % (ifaceobj.name, str(e))) | |
263 | result = False | |
264 | return result | |
265 | ||
75afe2a7 RP |
266 | def _address_valid(self, addrs): |
267 | if not addrs: | |
268 | return False | |
269 | if any(map(lambda a: True if a[:7] != '0.0.0.0' | |
270 | else False, addrs)): | |
271 | return True | |
272 | return False | |
273 | ||
428206bf | 274 | def _get_hwaddress(self, ifaceobj): |
d486dd0d | 275 | return utils.strip_hwaddress(ifaceobj.get_attr_value_first('hwaddress')) |
428206bf JF |
276 | |
277 | def _process_bridge(self, ifaceobj, up): | |
278 | hwaddress = self._get_hwaddress(ifaceobj) | |
75afe2a7 | 279 | addrs = ifaceobj.get_attr_value_first('address') |
45db39f6 AD |
280 | arp_accept = ifaceobj.get_attr_value_first('arp-accept') |
281 | arp_accept = utils.boolean_support_binary(arp_accept) | |
75afe2a7 RP |
282 | is_vlan_dev_on_vlan_aware_bridge = False |
283 | is_bridge = self.ipcmd.is_bridge(ifaceobj.name) | |
284 | if not is_bridge: | |
d486dd0d JF |
285 | if ifaceobj.link_kind & ifaceLinkKind.VLAN: |
286 | bridgename = ifaceobj.lowerifaces[0] | |
287 | vlan = self._get_vlan_id(ifaceobj) | |
75afe2a7 | 288 | is_vlan_dev_on_vlan_aware_bridge = self.ipcmd.bridge_is_vlan_aware(bridgename) |
8c2c9f26 RP |
289 | if ((is_bridge and not self.ipcmd.bridge_is_vlan_aware(ifaceobj.name)) |
290 | or is_vlan_dev_on_vlan_aware_bridge): | |
8b57a467 JF |
291 | if self._address_valid(addrs): |
292 | if self.l3_intf_arp_accept: | |
293 | if up: | |
294 | self.write_file('/proc/sys/net/ipv4/conf/%s' % ifaceobj.name + | |
295 | '/arp_accept', '1') | |
296 | else: | |
297 | self.write_file('/proc/sys/net/ipv4/conf/%s' % ifaceobj.name + | |
298 | '/arp_accept', '0') | |
299 | else: | |
45db39f6 | 300 | self.write_file('/proc/sys/net/ipv4/conf/%s/arp_accept' % ifaceobj.name, arp_accept) |
75afe2a7 RP |
301 | if hwaddress and is_vlan_dev_on_vlan_aware_bridge: |
302 | if up: | |
303 | self.ipcmd.bridge_fdb_add(bridgename, hwaddress, vlan) | |
304 | else: | |
305 | self.ipcmd.bridge_fdb_del(bridgename, hwaddress, vlan) | |
cb46a208 | 306 | |
0582f185 RP |
307 | def _get_anycast_addr(self, ifaceobjlist): |
308 | for ifaceobj in ifaceobjlist: | |
309 | anycast_addr = ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip') | |
310 | if anycast_addr: | |
311 | anycast_addr = anycast_addr+'/32' | |
312 | return anycast_addr | |
313 | return None | |
314 | ||
315 | def _inet_address_convert_to_cidr(self, ifaceobjlist): | |
15ef32ea | 316 | newaddrs = [] |
0582f185 RP |
317 | newaddr_attrs = {} |
318 | ||
319 | for ifaceobj in ifaceobjlist: | |
320 | addrs = ifaceobj.get_attr_value('address') | |
321 | if not addrs: | |
322 | continue | |
323 | ||
22b49c28 JF |
324 | if not self.syntax_check_addr_allowed_on(ifaceobj, |
325 | syntax_check=False): | |
0582f185 | 326 | return (False, newaddrs, newaddr_attrs) |
15ef32ea RP |
327 | # If user address is not in CIDR notation, convert them to CIDR |
328 | for addr_index in range(0, len(addrs)): | |
329 | addr = addrs[addr_index] | |
8de397ef | 330 | newaddr = addr |
15ef32ea RP |
331 | if '/' in addr: |
332 | newaddrs.append(addr) | |
42ae7838 | 333 | else: |
8de397ef MW |
334 | netmask = ifaceobj.get_attr_value_n('netmask', addr_index) |
335 | if netmask: | |
336 | prefixlen = IPNetwork('%s' %addr + | |
337 | '/%s' %netmask).prefixlen | |
338 | newaddr = addr + '/%s' %prefixlen | |
339 | else: | |
340 | # we are here because there is no slash (/xx) and no netmask | |
341 | # just let IPNetwork handle the ipv4 or ipv6 address mask | |
342 | prefixlen = IPNetwork(addr).prefixlen | |
343 | newaddr = addr + '/%s' %prefixlen | |
344 | newaddrs.append(newaddr) | |
15ef32ea | 345 | |
0582f185 RP |
346 | attrs = {} |
347 | for a in ['broadcast', 'pointopoint', 'scope', | |
348 | 'preferred-lifetime']: | |
349 | aval = ifaceobj.get_attr_value_n(a, addr_index) | |
350 | if aval: | |
72c964c2 | 351 | attrs[a] = aval |
0582f185 RP |
352 | |
353 | if attrs: | |
354 | newaddr_attrs[newaddr]= attrs | |
355 | return (True, newaddrs, newaddr_attrs) | |
356 | ||
77021aa1 RP |
357 | def _inet_address_list_config(self, ifaceobj, newaddrs, newaddr_attrs): |
358 | for addr_index in range(0, len(newaddrs)): | |
359 | try: | |
360 | if newaddr_attrs: | |
361 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index], | |
362 | newaddr_attrs.get(newaddrs[addr_index], | |
363 | {}).get('broadcast'), | |
364 | newaddr_attrs.get(newaddrs[addr_index], | |
365 | {}).get('pointopoint'), | |
366 | newaddr_attrs.get(newaddrs[addr_index], | |
367 | {}).get('scope'), | |
368 | newaddr_attrs.get(newaddrs[addr_index], | |
369 | {}).get('preferred-lifetime')) | |
370 | else: | |
371 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index]) | |
372 | except Exception, e: | |
bf3eda91 | 373 | self.log_error(str(e), ifaceobj) |
77021aa1 RP |
374 | |
375 | def _inet_address_config(self, ifaceobj, ifaceobj_getfunc=None, | |
376 | force_reapply=False): | |
0582f185 | 377 | squash_addr_config = (True if \ |
d486dd0d JF |
378 | ifupdownconfig.config.get('addr_config_squash', \ |
379 | '0') == '1' else False) | |
0582f185 RP |
380 | |
381 | if (squash_addr_config and | |
382 | not (ifaceobj.flags & ifaceobj.YOUNGEST_SIBLING)): | |
383 | return | |
384 | ||
385 | purge_addresses = ifaceobj.get_attr_value_first('address-purge') | |
386 | if not purge_addresses: | |
387 | purge_addresses = 'yes' | |
388 | ||
389 | if squash_addr_config and ifaceobj.flags & iface.HAS_SIBLINGS: | |
390 | ifaceobjlist = ifaceobj_getfunc(ifaceobj.name) | |
391 | else: | |
392 | ifaceobjlist = [ifaceobj] | |
393 | ||
d486dd0d JF |
394 | module_name = self.__class__.__name__ |
395 | ifname = ifaceobj.name | |
396 | ||
0582f185 | 397 | (addr_supported, newaddrs, newaddr_attrs) = self._inet_address_convert_to_cidr(ifaceobjlist) |
d486dd0d JF |
398 | newaddrs = utils.get_ip_objs(module_name, ifname, newaddrs) |
399 | ||
0582f185 RP |
400 | if not addr_supported: |
401 | return | |
402 | if (not squash_addr_config and (ifaceobj.flags & iface.HAS_SIBLINGS)): | |
403 | # if youngest sibling and squash addr is not set | |
404 | # print a warning that addresses will not be purged | |
405 | if (ifaceobj.flags & iface.YOUNGEST_SIBLING): | |
406 | self.logger.warn('%s: interface has multiple ' %ifaceobj.name + | |
407 | 'iface stanzas, skip purging existing addresses') | |
408 | purge_addresses = 'no' | |
409 | ||
fc5e1735 | 410 | if not ifupdownflags.flags.PERFMODE and purge_addresses == 'yes': |
0582f185 RP |
411 | # if perfmode is not set and purge addresses is not set to 'no' |
412 | # lets purge addresses not in the config | |
d486dd0d | 413 | runningaddrs = self.ipcmd.get_running_addrs(ifaceobj, details=False) |
0582f185 | 414 | |
a794fb31 BR |
415 | # if anycast address is configured on 'lo' and is in running config |
416 | # add it to newaddrs so that ifreload doesn't wipe it out | |
82908a2d | 417 | anycast_addr = utils.get_normalized_ip_addr(ifaceobj.name, self._get_anycast_addr(ifaceobjlist)) |
0582f185 | 418 | |
a794fb31 BR |
419 | if runningaddrs and anycast_addr and anycast_addr in runningaddrs: |
420 | newaddrs.append(anycast_addr) | |
d486dd0d JF |
421 | |
422 | user_ip4, user_ip6, newaddrs = self.order_user_configured_addrs(newaddrs) | |
423 | ||
424 | if newaddrs == runningaddrs or self.compare_running_ips_and_user_config(user_ip4, user_ip6, runningaddrs): | |
77021aa1 RP |
425 | if force_reapply: |
426 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) | |
15ef32ea RP |
427 | return |
428 | try: | |
429 | # if primary address is not same, there is no need to keep any. | |
430 | # reset all addresses | |
d486dd0d JF |
431 | if newaddrs and runningaddrs and newaddrs[0] != runningaddrs[0]: |
432 | skip_addrs = [] | |
15ef32ea | 433 | else: |
d486dd0d JF |
434 | skip_addrs = newaddrs or [] |
435 | for addr in runningaddrs or []: | |
436 | if addr in skip_addrs: | |
437 | continue | |
438 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
15ef32ea RP |
439 | except Exception, e: |
440 | self.log_warn(str(e)) | |
441 | if not newaddrs: | |
442 | return | |
77021aa1 | 443 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) |
15ef32ea | 444 | |
d486dd0d JF |
445 | def compare_running_ips_and_user_config(self, user_ip4, user_ip6, running_addrs): |
446 | """ | |
447 | We need to compare the user config ips and the running ips. | |
448 | ip4 ordering matters (primary etc) but ip6 order doesn't matter | |
449 | ||
450 | this function replaces the strict comparison previously in place | |
451 | if newaddrs == running_addrs ? | |
452 | ||
453 | We will compare if the ip4 ordering is correct, then check if all | |
454 | ip6 are present in the list (without checking the ordering) | |
455 | """ | |
456 | if (user_ip4 or user_ip6) and not running_addrs: | |
457 | return False | |
458 | elif running_addrs and not user_ip4 and not user_ip6: | |
459 | return False | |
460 | elif not running_addrs and not user_ip4 and not user_ip6: | |
461 | return True | |
462 | ||
463 | len_ip4 = len(user_ip4) | |
464 | len_running_addrs = len(running_addrs) | |
465 | ||
466 | if len_ip4 > len_running_addrs: | |
467 | return False | |
468 | ||
469 | i = 0 | |
470 | while i < len_ip4: | |
471 | if user_ip4[i] != running_addrs[i]: | |
472 | return False | |
473 | i += 1 | |
474 | ||
475 | if len_ip4 > 0: | |
476 | running_ip6 = running_addrs[len_ip4:] | |
477 | else: | |
478 | running_ip6 = running_addrs | |
479 | ||
480 | i = 0 | |
481 | len_ip6 = len(user_ip6) | |
482 | ||
483 | for ip6 in running_ip6: | |
484 | if ip6 not in user_ip6: | |
485 | return False | |
486 | i += 1 | |
487 | ||
488 | return i == len_ip6 | |
489 | ||
490 | def order_user_configured_addrs(self, user_config_addrs): | |
491 | ip4 = [] | |
492 | ip6 = [] | |
493 | ||
494 | for a in user_config_addrs: | |
495 | if isinstance(a, _BaseV6): | |
496 | ip6.append(str(a)) | |
497 | else: | |
498 | ip4.append(str(a)) | |
499 | ||
500 | return ip4, ip6, ip4 + ip6 | |
501 | ||
502 | def _delete_gateway(self, ifaceobj, gateways, vrf, metric): | |
503 | for del_gw in gateways: | |
0232d1bb N |
504 | try: |
505 | self.ipcmd.route_del_gateway(ifaceobj.name, del_gw, vrf, metric) | |
5b666749 JF |
506 | except Exception as e: |
507 | self.logger.debug('%s: %s' % (ifaceobj.name, str(e))) | |
d486dd0d JF |
508 | |
509 | def _add_delete_gateway(self, ifaceobj, gateways=[], prev_gw=[]): | |
510 | vrf = ifaceobj.get_attr_value_first('vrf') | |
511 | metric = ifaceobj.get_attr_value_first('metric') | |
512 | self._delete_gateway(ifaceobj, list(set(prev_gw) - set(gateways)), | |
513 | vrf, metric) | |
4b875c17 | 514 | for add_gw in gateways: |
0232d1bb | 515 | try: |
9d505185 | 516 | self.ipcmd.route_add_gateway(ifaceobj.name, add_gw, vrf, metric, onlink=self.l3_intf_default_gateway_set_onlink) |
5b666749 JF |
517 | except Exception as e: |
518 | self.log_error('%s: %s' % (ifaceobj.name, str(e))) | |
0232d1bb N |
519 | |
520 | def _get_prev_gateway(self, ifaceobj, gateways): | |
521 | ipv = [] | |
522 | saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(ifaceobj.name) | |
523 | if not saved_ifaceobjs: | |
524 | return ipv | |
525 | prev_gateways = saved_ifaceobjs[0].get_attr_value('gateway') | |
526 | if not prev_gateways: | |
527 | return ipv | |
528 | return prev_gateways | |
529 | ||
8d1e346f RP |
530 | def _check_mtu_config(self, ifaceobj, mtu, ifaceobj_getfunc, syntaxcheck=False): |
531 | retval = True | |
532 | if (ifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
533 | if syntaxcheck: | |
534 | self.logger.warn('%s: bridge inherits mtu from its ports. There is no need to assign mtu on a bridge' %ifaceobj.name) | |
535 | retval = False | |
536 | else: | |
9f30b2cc | 537 | self.logger.info('%s: bridge inherits mtu from its ports. There is no need to assign mtu on a bridge' %ifaceobj.name) |
8d1e346f RP |
538 | elif ifaceobj_getfunc: |
539 | if ((ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and | |
540 | ifaceobj.upperifaces): | |
9f30b2cc RP |
541 | masterobj = ifaceobj_getfunc(ifaceobj.upperifaces[0]) |
542 | if masterobj: | |
543 | master_mtu = masterobj[0].get_attr_value_first('mtu') | |
544 | if master_mtu and master_mtu != mtu: | |
8d1e346f RP |
545 | if syntaxcheck: |
546 | 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)) | |
547 | retval = False | |
548 | else: | |
549 | 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)) | |
550 | elif ((ifaceobj.link_kind & ifaceLinkKind.VLAN) and | |
551 | ifaceobj.lowerifaces): | |
552 | lowerobj = ifaceobj_getfunc(ifaceobj.lowerifaces[0]) | |
553 | if lowerobj: | |
554 | if syntaxcheck: | |
555 | lowerdev_mtu = lowerobj[0].get_attr_value_first('mtu') | |
556 | else: | |
d486dd0d | 557 | lowerdev_mtu = self.ipcmd.link_get_mtu_sysfs(lowerobj[0].name) |
8d1e346f RP |
558 | if lowerdev_mtu and int(mtu) > int(lowerdev_mtu): |
559 | self.logger.warn('%s: vlan dev mtu %s is greater than lower realdev %s mtu %s' | |
560 | %(ifaceobj.name, mtu, lowerobj[0].name, lowerdev_mtu)) | |
561 | retval = False | |
562 | elif (not lowerobj[0].link_kind and | |
563 | not (lowerobj[0].link_privflags & ifaceLinkPrivFlags.LOOPBACK) and | |
d486dd0d JF |
564 | not lowerdev_mtu and self.default_mtu and |
565 | (int(mtu) > int(self.default_mtu))): | |
8d1e346f RP |
566 | # only check default mtu on lower device which is a physical interface |
567 | self.logger.warn('%s: vlan dev mtu %s is greater than lower realdev %s mtu %s' | |
568 | %(ifaceobj.name, mtu, lowerobj[0].name, self.default_mtu)) | |
569 | retval = False | |
9f30b2cc RP |
570 | if self.max_mtu and mtu > self.max_mtu: |
571 | self.logger.warn('%s: specified mtu %s is greater than max mtu %s' | |
572 | %(ifaceobj.name, mtu, self.max_mtu)) | |
8d1e346f RP |
573 | retval = False |
574 | return retval | |
575 | ||
576 | def _propagate_mtu_to_upper_devs(self, ifaceobj, mtu, ifaceobj_getfunc): | |
577 | if (not ifaceobj.upperifaces or | |
578 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) or | |
579 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE) or | |
580 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT)): | |
581 | return | |
582 | for u in ifaceobj.upperifaces: | |
583 | upperobjs = ifaceobj_getfunc(u) | |
584 | if (not upperobjs or | |
585 | not (upperobjs[0].link_kind & ifaceLinkKind.VLAN)): | |
586 | continue | |
587 | # only adjust mtu for vlan devices on ifaceobj | |
588 | umtu = upperobjs[0].get_attr_value_first('mtu') | |
589 | if not umtu: | |
590 | running_mtu = self.ipcmd.link_get_mtu(upperobjs[0].name) | |
591 | if not running_mtu or (running_mtu != mtu): | |
592 | self.ipcmd.link_set(u, 'mtu', mtu) | |
593 | ||
d486dd0d | 594 | def _process_mtu_config(self, ifaceobj, ifaceobj_getfunc, mtu): |
8d1e346f RP |
595 | if mtu: |
596 | if not self._check_mtu_config(ifaceobj, mtu, ifaceobj_getfunc): | |
597 | return | |
d486dd0d JF |
598 | cached_running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) |
599 | running_mtu = self.ipcmd.link_get_mtu_sysfs(ifaceobj.name) | |
8d1e346f | 600 | if not running_mtu or (running_mtu and running_mtu != mtu): |
d486dd0d JF |
601 | force = cached_running_mtu != running_mtu |
602 | self.ipcmd.link_set(ifaceobj.name, 'mtu', mtu, force=force) | |
8d1e346f RP |
603 | if (not ifupdownflags.flags.ALL and |
604 | not ifaceobj.link_kind and | |
d486dd0d | 605 | ifupdownconfig.config.get('adjust_logical_dev_mtu', '1') != '0'): |
8d1e346f RP |
606 | # This is additional cost to us, so do it only when |
607 | # ifupdown2 is called on a particular interface and | |
608 | # it is a physical interface | |
609 | self._propagate_mtu_to_upper_devs(ifaceobj, mtu, ifaceobj_getfunc) | |
9f30b2cc RP |
610 | return |
611 | ||
612 | if ifaceobj.link_kind: | |
19ee2b11 | 613 | # bonds, vxlan and custom devices (like dummy) need an explicit set of mtu. |
9f30b2cc RP |
614 | # bridges don't need mtu set |
615 | if (ifaceobj.link_kind & ifaceLinkKind.BOND or | |
19ee2b11 JF |
616 | ifaceobj.link_kind & ifaceLinkKind.VXLAN or |
617 | ifaceobj.link_kind & ifaceLinkKind.OTHER | |
618 | ): | |
9f30b2cc RP |
619 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) |
620 | if (self.default_mtu and running_mtu != self.default_mtu): | |
621 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
622 | return | |
d486dd0d | 623 | if (ifupdownconfig.config.get('adjust_logical_dev_mtu', '1') != '0' |
9f30b2cc RP |
624 | and ifaceobj.lowerifaces): |
625 | # set vlan interface mtu to lower device mtu | |
626 | if (ifaceobj.link_kind & ifaceLinkKind.VLAN): | |
d486dd0d JF |
627 | lower_iface = ifaceobj.lowerifaces[0] |
628 | if lower_iface not in self.lower_iface_mtu_checked_list: | |
629 | lower_iface_mtu = self.ipcmd.link_get_mtu_sysfs(lower_iface) | |
630 | self.ipcmd.cache_update([lower_iface, 'mtu'], lower_iface_mtu) | |
631 | self.lower_iface_mtu_checked_list.append(lower_iface) | |
632 | else: | |
633 | lower_iface_mtu = self.ipcmd.link_get_mtu(lower_iface) | |
634 | ||
635 | if lower_iface_mtu != self.ipcmd.link_get_mtu_sysfs(ifaceobj.name): | |
9f30b2cc RP |
636 | self.ipcmd.link_set_mtu(ifaceobj.name, lower_iface_mtu) |
637 | ||
638 | elif (not (ifaceobj.name == 'lo') and not ifaceobj.link_kind and | |
639 | not (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and | |
640 | self.default_mtu): | |
641 | # logical devices like bridges and vlan devices rely on mtu | |
642 | # from their lower devices. ie mtu travels from | |
643 | # lower devices to upper devices. For bonds mtu travels from | |
644 | # upper to lower devices. running mtu depends on upper and | |
645 | # lower device mtu. With all this implicit mtu | |
646 | # config by the kernel in play, we try to be cautious here | |
647 | # on which devices we want to reset mtu to default. | |
648 | # essentially only physical interfaces which are not bond slaves | |
649 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) | |
650 | if running_mtu != self.default_mtu: | |
651 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
652 | ||
d486dd0d JF |
653 | def _set_bridge_forwarding(self, ifaceobj): |
654 | """ set ip forwarding to 0 if bridge interface does not have a | |
655 | ip nor svi """ | |
2185a108 | 656 | ifname = ifaceobj.name |
d486dd0d | 657 | if not ifaceobj.upperifaces and not ifaceobj.get_attr_value('address'): |
2185a108 JF |
658 | if self.sysctl_get_forwarding_value_from_proc(ifname, "ipv4") == '1': |
659 | self.sysctl_write_forwarding_value_to_proc(ifname, "ipv4", 0) | |
660 | if self.sysctl_get_forwarding_value_from_proc(ifname, "ipv6") == '1': | |
661 | self.sysctl_write_forwarding_value_to_proc(ifname, "ipv6", 0) | |
d486dd0d | 662 | else: |
2185a108 JF |
663 | if self.sysctl_get_forwarding_value_from_proc(ifname, "ipv4") == '0': |
664 | self.sysctl_write_forwarding_value_to_proc(ifname, "ipv4", 1) | |
665 | if self.sysctl_get_forwarding_value_from_proc(ifname, "ipv6") == '0': | |
666 | self.sysctl_write_forwarding_value_to_proc(ifname, "ipv6", 1) | |
667 | ||
668 | def sysctl_get_forwarding_value_from_proc(self, ifname, family): | |
669 | return self.read_file_oneline("/proc/sys/net/%s/conf/%s/forwarding" % (family, ifname)) | |
670 | ||
671 | def sysctl_write_forwarding_value_to_proc(self, ifname, family, value): | |
672 | self.write_file("/proc/sys/net/%s/conf/%s/forwarding" % (family, ifname), "%s\n" % value) | |
d486dd0d JF |
673 | |
674 | def _sysctl_config(self, ifaceobj): | |
675 | setting_default_value = False | |
676 | mpls_enable = ifaceobj.get_attr_value_first('mpls-enable'); | |
677 | if not mpls_enable: | |
678 | setting_default_value = True | |
679 | mpls_enable = self.get_mod_subattr('mpls-enable', 'default') | |
680 | mpls_enable = utils.boolean_support_binary(mpls_enable) | |
681 | # File read has been used for better performance | |
682 | # instead of using sysctl command | |
683 | if ifupdownflags.flags.PERFMODE: | |
684 | running_mpls_enable = '0' | |
685 | else: | |
686 | running_mpls_enable = self.read_file_oneline( | |
687 | '/proc/sys/net/mpls/conf/%s/input' | |
688 | % ifaceobj.name | |
689 | ) | |
690 | ||
691 | if mpls_enable != running_mpls_enable: | |
692 | try: | |
693 | self.sysctl_set('net.mpls.conf.%s.input' | |
694 | %('/'.join(ifaceobj.name.split("."))), | |
695 | mpls_enable) | |
696 | except Exception as e: | |
697 | if not setting_default_value: | |
698 | ifaceobj.status = ifaceStatus.ERROR | |
699 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
700 | ||
701 | if (ifaceobj.link_kind & ifaceLinkKind.BRIDGE): | |
702 | self._set_bridge_forwarding(ifaceobj) | |
703 | return | |
704 | if not self.syntax_check_sysctls(ifaceobj): | |
705 | return | |
706 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
707 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
708 | if ifupdownflags.flags.PERFMODE: | |
709 | if ipforward: | |
710 | self.sysctl_set('net.ipv4.conf.%s.forwarding' | |
711 | %('/'.join(ifaceobj.name.split("."))), | |
712 | utils.boolean_support_binary(ipforward)) | |
713 | if ip6forward: | |
714 | self.sysctl_set('net.ipv6.conf.%s.forwarding' | |
715 | %('/'.join(ifaceobj.name.split("."))), | |
716 | utils.boolean_support_binary(ip6forward)) | |
717 | return | |
718 | bridge_port = ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT | |
719 | if bridge_port: | |
720 | if ipforward: | |
721 | self.log_error('%s: \'ip-forward\' is not supported for ' | |
722 | 'bridge port' %ifaceobj.name) | |
723 | if ip6forward: | |
724 | self.log_error('%s: \'ip6-forward\' is not supported for ' | |
725 | 'bridge port' %ifaceobj.name) | |
726 | return | |
42ef1cce | 727 | |
52712b1a AD |
728 | setting_default_value = False |
729 | if not ipforward: | |
730 | setting_default_value = True | |
731 | ipforward = self.ipforward | |
732 | ||
42ef1cce AD |
733 | if ipforward: |
734 | ipforward = utils.boolean_support_binary(ipforward) | |
735 | # File read has been used for better performance | |
736 | # instead of using sysctl command | |
737 | running_ipforward = self.read_file_oneline( | |
738 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
739 | %ifaceobj.name) | |
740 | ||
741 | if ipforward != running_ipforward: | |
742 | try: | |
743 | ||
744 | self.sysctl_set('net.ipv4.conf.%s.forwarding' | |
745 | %('/'.join(ifaceobj.name.split("."))), | |
746 | ipforward) | |
747 | except Exception as e: | |
52712b1a AD |
748 | if not setting_default_value: |
749 | ifaceobj.status = ifaceStatus.ERROR | |
750 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
751 | ||
752 | ||
753 | setting_default_value = False | |
754 | if not ip6forward: | |
755 | setting_default_value = True | |
756 | ip6forward = self.ip6forward | |
d486dd0d | 757 | |
42ef1cce AD |
758 | if ip6forward: |
759 | ip6forward = utils.boolean_support_binary(ip6forward) | |
760 | # File read has been used for better performance | |
761 | # instead of using sysctl command | |
762 | running_ip6forward = self.read_file_oneline( | |
763 | '/proc/sys/net/ipv6/conf/%s/forwarding' | |
764 | %ifaceobj.name) | |
765 | if ip6forward != running_ip6forward: | |
766 | try: | |
767 | self.sysctl_set('net.ipv6.conf.%s.forwarding' | |
768 | %('/'.join(ifaceobj.name.split("."))), | |
769 | ip6forward) | |
770 | except Exception as e: | |
771 | # There is chance of ipv6 being removed because of, | |
772 | # for example, setting mtu < 1280 | |
773 | # In such cases, log error only if user has configured | |
774 | # ip6-forward | |
52712b1a AD |
775 | if not setting_default_value: |
776 | ifaceobj.status = ifaceStatus.ERROR | |
777 | self.logger.error('%s: %s' %(ifaceobj.name, str(e))) | |
d486dd0d JF |
778 | |
779 | def process_mtu(self, ifaceobj, ifaceobj_getfunc): | |
780 | mtu = ifaceobj.get_attr_value_first('mtu') | |
781 | ||
782 | if not mtu: | |
783 | default_iface_mtu = self.ifaces_defaults.get(ifaceobj.name, {}).get('mtu') | |
784 | ||
785 | if default_iface_mtu: | |
786 | try: | |
787 | mtu = default_iface_mtu | |
788 | int(default_iface_mtu) | |
789 | except Exception as e: | |
790 | self.logger.warning('%s: MTU value from policy file: %s' % (ifaceobj.name, str(e))) | |
791 | return | |
792 | ||
793 | self._process_mtu_config(ifaceobj, ifaceobj_getfunc, mtu) | |
794 | ||
3fc54eef | 795 | def up_ipv6_addrgen(self, ifaceobj): |
007cae35 JF |
796 | user_configured_ipv6_addrgen = ifaceobj.get_attr_value_first('ipv6-addrgen') |
797 | ||
b306a8b6 JF |
798 | if not user_configured_ipv6_addrgen and ifupdownflags.flags.PERFMODE: |
799 | # no need to go further during perfmode (boot) | |
800 | return | |
801 | ||
cd890b06 JF |
802 | if not user_configured_ipv6_addrgen and ifaceobj.addr_method == 'dhcp': |
803 | return | |
804 | ||
007cae35 | 805 | if not user_configured_ipv6_addrgen: |
17da0561 JF |
806 | # if user didn't configure ipv6-addrgen, should we reset to default? |
807 | user_configured_ipv6_addrgen = self.get_attr_default_value('ipv6-addrgen') | |
007cae35 JF |
808 | |
809 | ipv6_addrgen_nl = { | |
810 | 'on': 0, | |
811 | 'yes': 0, | |
812 | '0': 0, | |
813 | 'off': 1, | |
814 | 'no': 1, | |
815 | '1': 1 | |
816 | }.get(user_configured_ipv6_addrgen.lower(), None) | |
817 | ||
818 | if ipv6_addrgen_nl is not None: | |
819 | self.ipcmd.ipv6_addrgen(ifaceobj.name, ipv6_addrgen_nl, link_created=True) | |
820 | # link_create=False will flush the addr cache of that intf | |
821 | else: | |
822 | self.logger.warning('%s: invalid value "%s" for attribute ipv6-addrgen' % (ifaceobj.name, user_configured_ipv6_addrgen)) | |
3fc54eef | 823 | |
0582f185 | 824 | def _up(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
825 | if not self.ipcmd.link_exists(ifaceobj.name): |
826 | return | |
2ff98bb9 | 827 | |
d486dd0d JF |
828 | if not self.syntax_check_enable_l3_iface_forwardings(ifaceobj, ifaceobj_getfunc): |
829 | return | |
830 | ||
2ff98bb9 JF |
831 | alias = ifaceobj.get_attr_value_first('alias') |
832 | current_alias = self.ipcmd.link_get_alias(ifaceobj.name) | |
833 | if alias and alias != current_alias: | |
834 | self.ipcmd.link_set_alias(ifaceobj.name, alias) | |
835 | elif not alias and current_alias: | |
836 | self.ipcmd.link_set_alias(ifaceobj.name, '') | |
837 | ||
d486dd0d JF |
838 | self._sysctl_config(ifaceobj) |
839 | ||
68d9fee0 | 840 | addr_method = ifaceobj.addr_method |
77021aa1 | 841 | force_reapply = False |
15ef32ea RP |
842 | try: |
843 | # release any stale dhcp addresses if present | |
77054f7f | 844 | if (addr_method not in ["dhcp", "ppp"] and not ifupdownflags.flags.PERFMODE and |
15ef32ea RP |
845 | not (ifaceobj.flags & iface.HAS_SIBLINGS)): |
846 | # if not running in perf mode and ifaceobj does not have | |
847 | # any sibling iface objects, kill any stale dhclient | |
848 | # processes | |
75afe2a7 | 849 | dhclientcmd = dhclient() |
7c1135ea | 850 | if dhclientcmd.is_running(ifaceobj.name): |
15ef32ea RP |
851 | # release any dhcp leases |
852 | dhclientcmd.release(ifaceobj.name) | |
77021aa1 | 853 | force_reapply = True |
7c1135ea | 854 | elif dhclientcmd.is_running6(ifaceobj.name): |
15ef32ea | 855 | dhclientcmd.release6(ifaceobj.name) |
77021aa1 | 856 | force_reapply = True |
15ef32ea RP |
857 | except: |
858 | pass | |
8e113d63 | 859 | |
15ef32ea | 860 | self.ipcmd.batch_start() |
3fc54eef JF |
861 | self.up_ipv6_addrgen(ifaceobj) |
862 | ||
77054f7f | 863 | if addr_method not in ["dhcp", "ppp"]: |
77021aa1 RP |
864 | self._inet_address_config(ifaceobj, ifaceobj_getfunc, |
865 | force_reapply) | |
d486dd0d JF |
866 | |
867 | self.process_mtu(ifaceobj, ifaceobj_getfunc) | |
13e22530 | 868 | |
093ffa00 JF |
869 | try: |
870 | self.ipcmd.batch_commit() | |
871 | except Exception as e: | |
03092649 | 872 | self.log_error('%s: %s' % (ifaceobj.name, str(e)), ifaceobj, raise_error=False) |
264dcaa0 | 873 | |
d1477c4b JF |
874 | self.up_hwaddress(ifaceobj) |
875 | ||
876 | gateways = ifaceobj.get_attr_value('gateway') | |
877 | if not gateways: | |
878 | gateways = [] | |
879 | prev_gw = self._get_prev_gateway(ifaceobj, gateways) | |
880 | self._add_delete_gateway(ifaceobj, gateways, prev_gw) | |
881 | ||
882 | def up_hwaddress(self, ifaceobj): | |
68d9fee0 | 883 | try: |
707aeb73 | 884 | hwaddress = self._get_hwaddress(ifaceobj) |
d1477c4b | 885 | |
707aeb73 | 886 | if hwaddress: |
d1477c4b | 887 | if not ifupdownflags.flags.PERFMODE: # system is clean |
707aeb73 | 888 | running_hwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) |
d1477c4b JF |
889 | else: |
890 | running_hwaddress = None | |
891 | ||
892 | if self.ipcmd.mac_str_to_int(running_hwaddress) != self.ipcmd.mac_str_to_int(hwaddress): | |
707aeb73 JF |
893 | slave_down = False |
894 | netlink.link_set_updown(ifaceobj.name, "down") | |
895 | if ifaceobj.link_kind & ifaceLinkKind.BOND: | |
896 | # if bond, down all the slaves | |
897 | if ifaceobj.lowerifaces: | |
898 | for l in ifaceobj.lowerifaces: | |
899 | netlink.link_set_updown(l, "down") | |
900 | slave_down = True | |
901 | try: | |
d1477c4b | 902 | self.ipcmd.link_set_hwaddress(ifaceobj.name, hwaddress, force=True) |
707aeb73 JF |
903 | finally: |
904 | netlink.link_set_updown(ifaceobj.name, "up") | |
905 | if slave_down: | |
906 | for l in ifaceobj.lowerifaces: | |
907 | netlink.link_set_updown(l, "up") | |
908 | ||
68d9fee0 RP |
909 | # Handle special things on a bridge |
910 | self._process_bridge(ifaceobj, True) | |
911 | except Exception, e: | |
d1477c4b | 912 | self.log_error('%s: %s' % (ifaceobj.name, str(e)), ifaceobj) |
15ef32ea | 913 | |
0582f185 | 914 | def _down(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
915 | try: |
916 | if not self.ipcmd.link_exists(ifaceobj.name): | |
917 | return | |
68d9fee0 | 918 | addr_method = ifaceobj.addr_method |
77054f7f | 919 | if addr_method not in ["dhcp", "ppp"]: |
aa052170 N |
920 | if ifaceobj.get_attr_value_first('address-purge')=='no': |
921 | addrlist = ifaceobj.get_attr_value('address') | |
922 | for addr in addrlist: | |
923 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
924 | #self.ipcmd.addr_del(ifaceobj.name, ifaceobj.get_attr_value('address')[0]) | |
d486dd0d JF |
925 | elif not ifaceobj.link_kind: |
926 | # for logical interfaces we don't need to remove the ip addresses | |
927 | # kernel will do it for us on 'ip link del' | |
aa052170 | 928 | self.ipcmd.del_addr_all(ifaceobj.name) |
d486dd0d JF |
929 | gateways = ifaceobj.get_attr_value('gateway') |
930 | if gateways: | |
931 | self._delete_gateway(ifaceobj, gateways, | |
932 | ifaceobj.get_attr_value_first('vrf'), | |
933 | ifaceobj.get_attr_value_first('metric')) | |
84f33af6 | 934 | mtu = ifaceobj.get_attr_value_first('mtu') |
00c12960 RP |
935 | if (not ifaceobj.link_kind and mtu and |
936 | self.default_mtu and (mtu != self.default_mtu)): | |
84f33af6 | 937 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) |
15ef32ea RP |
938 | alias = ifaceobj.get_attr_value_first('alias') |
939 | if alias: | |
d486dd0d | 940 | self.write_file('/sys/class/net/%s/ifalias' % ifaceobj.name, '\n') |
75afe2a7 RP |
941 | # XXX hwaddress reset cannot happen because we dont know last |
942 | # address. | |
943 | ||
944 | # Handle special things on a bridge | |
945 | self._process_bridge(ifaceobj, False) | |
15ef32ea | 946 | except Exception, e: |
bcf11b14 RP |
947 | self.logger.debug('%s : %s' %(ifaceobj.name, str(e))) |
948 | pass | |
15ef32ea RP |
949 | |
950 | def _get_iface_addresses(self, ifaceobj): | |
951 | addrlist = ifaceobj.get_attr_value('address') | |
952 | outaddrlist = [] | |
953 | ||
954 | if not addrlist: return None | |
955 | for addrindex in range(0, len(addrlist)): | |
956 | addr = addrlist[addrindex] | |
957 | netmask = ifaceobj.get_attr_value_n('netmask', addrindex) | |
958 | if netmask: | |
959 | prefixlen = IPNetwork('%s' %addr + | |
960 | '/%s' %netmask).prefixlen | |
961 | addr = addr + '/%s' %prefixlen | |
962 | outaddrlist.append(addr) | |
963 | return outaddrlist | |
964 | ||
8e113d63 RP |
965 | def _get_bridge_fdbs(self, bridgename, vlan): |
966 | fdbs = self._bridge_fdb_query_cache.get(bridgename) | |
967 | if not fdbs: | |
968 | fdbs = self.ipcmd.bridge_fdb_show_dev(bridgename) | |
969 | if not fdbs: | |
970 | return | |
971 | self._bridge_fdb_query_cache[bridgename] = fdbs | |
972 | return fdbs.get(vlan) | |
973 | ||
974 | def _check_addresses_in_bridge(self, ifaceobj, hwaddress): | |
975 | """ If the device is a bridge, make sure the addresses | |
976 | are in the bridge """ | |
d486dd0d JF |
977 | if ifaceobj.link_kind & ifaceLinkKind.VLAN: |
978 | bridgename = ifaceobj.lowerifaces[0] | |
979 | vlan = self._get_vlan_id(ifaceobj) | |
8e113d63 | 980 | if self.ipcmd.bridge_is_vlan_aware(bridgename): |
d1477c4b JF |
981 | fdb_addrs = [self.ipcmd.mac_str_to_int(fdb_addr) for fdb_addr in self._get_bridge_fdbs(bridgename, str(vlan))] |
982 | if not fdb_addrs: | |
983 | return False | |
984 | hwaddress_int = self.ipcmd.mac_str_to_int(hwaddress) | |
985 | if hwaddress_int not in fdb_addrs: | |
986 | return False | |
8e113d63 RP |
987 | return True |
988 | ||
d486dd0d JF |
989 | def _query_sysctl(self, ifaceobj, ifaceobjcurr): |
990 | bridge_port = ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_PORT | |
991 | ipforward = ifaceobj.get_attr_value_first('ip-forward') | |
992 | if ipforward: | |
993 | if bridge_port: | |
994 | ifaceobjcurr.status = ifaceStatus.ERROR | |
995 | ifaceobjcurr.status_str = ('\'ip-forward\' not supported ' + | |
996 | 'for bridge port') | |
997 | ifaceobjcurr.update_config_with_status('ip-forward', 1, None) | |
998 | else: | |
999 | running_ipforward = self.read_file_oneline( | |
1000 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
1001 | %ifaceobj.name) | |
307e814c JF |
1002 | running_ipforward = utils.get_boolean_from_string(running_ipforward) |
1003 | config_ipforward = utils.get_boolean_from_string(ipforward) | |
1004 | ifaceobjcurr.update_config_with_status( | |
1005 | 'ip-forward', | |
1006 | 'on' if running_ipforward else 'off', | |
1007 | running_ipforward != config_ipforward | |
1008 | ) | |
d486dd0d JF |
1009 | |
1010 | ip6forward = ifaceobj.get_attr_value_first('ip6-forward') | |
1011 | if ip6forward: | |
1012 | if bridge_port: | |
1013 | ifaceobjcurr.status = ifaceStatus.ERROR | |
1014 | ifaceobjcurr.status_str = ('\'ip6-forward\' not supported ' + | |
1015 | 'for bridge port') | |
1016 | ifaceobjcurr.update_config_with_status('ip6-forward', 1, None) | |
1017 | else: | |
1018 | running_ip6forward = self.read_file_oneline( | |
1019 | '/proc/sys/net/ipv6/conf/%s/forwarding' | |
1020 | %ifaceobj.name) | |
307e814c JF |
1021 | running_ip6forward = utils.get_boolean_from_string(running_ip6forward) |
1022 | config_ip6forward = utils.get_boolean_from_string(ip6forward) | |
1023 | ifaceobjcurr.update_config_with_status( | |
1024 | 'ip6-forward', | |
1025 | 'on' if running_ip6forward else 'off', | |
1026 | running_ip6forward != config_ip6forward | |
1027 | ) | |
d486dd0d JF |
1028 | mpls_enable = ifaceobj.get_attr_value_first('mpls-enable'); |
1029 | if mpls_enable: | |
1030 | running_mpls_enable = self.read_file_oneline( | |
1031 | '/proc/sys/net/mpls/conf/%s/input' | |
1032 | %ifaceobj.name) | |
1033 | running_mpls_enable = utils.get_yesno_from_onezero( | |
1034 | running_mpls_enable) | |
1035 | ifaceobjcurr.update_config_with_status('mpls-enable', | |
1036 | running_mpls_enable, | |
1037 | mpls_enable != running_mpls_enable) | |
1038 | return | |
1039 | ||
007cae35 JF |
1040 | def query_check_ipv6_addrgen(self, ifaceobj, ifaceobjcurr): |
1041 | ipv6_addrgen = ifaceobj.get_attr_value_first('ipv6-addrgen') | |
1042 | ||
1043 | if not ipv6_addrgen: | |
1044 | return | |
1045 | ||
1046 | if ipv6_addrgen in utils._string_values: | |
1047 | ifaceobjcurr.update_config_with_status( | |
1048 | 'ipv6-addrgen', | |
1049 | ipv6_addrgen, | |
1050 | utils.get_boolean_from_string(ipv6_addrgen) == self.ipcmd.get_ipv6_addrgen_mode(ifaceobj.name) | |
1051 | ) | |
1052 | else: | |
1053 | ifaceobjcurr.update_config_with_status('ipv6-addrgen', ipv6_addrgen, 1) | |
1054 | ||
0582f185 | 1055 | def _query_check(self, ifaceobj, ifaceobjcurr, ifaceobj_getfunc=None): |
15ef32ea RP |
1056 | runningaddrsdict = None |
1057 | if not self.ipcmd.link_exists(ifaceobj.name): | |
1058 | self.logger.debug('iface %s not found' %ifaceobj.name) | |
1059 | return | |
007cae35 JF |
1060 | |
1061 | self.query_check_ipv6_addrgen(ifaceobj, ifaceobjcurr) | |
1062 | ||
16d854b4 | 1063 | addr_method = ifaceobj.addr_method |
15ef32ea RP |
1064 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
1065 | 'mtu', self.ipcmd.link_get_mtu) | |
428206bf | 1066 | hwaddress = self._get_hwaddress(ifaceobj) |
8e113d63 | 1067 | if hwaddress: |
2876ca35 | 1068 | rhwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) |
d1477c4b | 1069 | if not rhwaddress or self.ipcmd.mac_str_to_int(rhwaddress) != self.ipcmd.mac_str_to_int(hwaddress): |
8e113d63 RP |
1070 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, |
1071 | 1) | |
1072 | elif not self._check_addresses_in_bridge(ifaceobj, hwaddress): | |
1073 | # XXX: hw address is not in bridge | |
1074 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
1075 | 1) | |
1076 | ifaceobjcurr.status_str = 'bridge fdb error' | |
1077 | else: | |
1078 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
1079 | 0) | |
15ef32ea RP |
1080 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
1081 | 'alias', self.ipcmd.link_get_alias) | |
d486dd0d | 1082 | self._query_sysctl(ifaceobj, ifaceobjcurr) |
15ef32ea | 1083 | # compare addresses |
77054f7f | 1084 | if addr_method in ["dhcp", "ppp"]: |
16d854b4 | 1085 | return |
82908a2d JF |
1086 | addrs = utils.get_normalized_ip_addr(ifaceobj.name, |
1087 | self._get_iface_addresses(ifaceobj)) | |
d486dd0d | 1088 | runningaddrsdict = self.ipcmd.get_running_addrs(ifaceobj) |
a794fb31 BR |
1089 | # if anycast address is configured on 'lo' and is in running config |
1090 | # add it to addrs so that query_check doesn't fail | |
82908a2d | 1091 | anycast_addr = utils.get_normalized_ip_addr(ifaceobj.name, ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip')) |
a794fb31 BR |
1092 | if anycast_addr: |
1093 | anycast_addr = anycast_addr+'/32' | |
1094 | if runningaddrsdict and anycast_addr and runningaddrsdict.get(anycast_addr): | |
1095 | addrs.append(anycast_addr) | |
15ef32ea RP |
1096 | |
1097 | # Set ifaceobjcurr method and family | |
1098 | ifaceobjcurr.addr_method = ifaceobj.addr_method | |
1099 | ifaceobjcurr.addr_family = ifaceobj.addr_family | |
1100 | if not runningaddrsdict and not addrs: | |
1101 | return | |
1102 | runningaddrs = runningaddrsdict.keys() if runningaddrsdict else [] | |
8de397ef MW |
1103 | # Add /32 netmask to configured address without netmask. |
1104 | # This may happen on interfaces where pointopoint is used. | |
1105 | runningaddrs = [ addr if '/' in addr else addr + '/32' for addr in runningaddrs] | |
15ef32ea RP |
1106 | if runningaddrs != addrs: |
1107 | runningaddrsset = set(runningaddrs) if runningaddrs else set([]) | |
1108 | addrsset = set(addrs) if addrs else set([]) | |
1109 | if (ifaceobj.flags & iface.HAS_SIBLINGS): | |
1110 | if not addrsset: | |
1111 | return | |
1112 | # only check for addresses present in running config | |
1113 | addrsdiff = addrsset.difference(runningaddrsset) | |
1114 | for addr in addrs: | |
1115 | if addr in addrsdiff: | |
1116 | ifaceobjcurr.update_config_with_status('address', | |
1117 | addr, 1) | |
1118 | else: | |
1119 | ifaceobjcurr.update_config_with_status('address', | |
1120 | addr, 0) | |
1121 | else: | |
1122 | addrsdiff = addrsset.symmetric_difference(runningaddrsset) | |
1123 | for addr in addrsset.union(runningaddrsset): | |
1124 | if addr in addrsdiff: | |
1125 | ifaceobjcurr.update_config_with_status('address', | |
1126 | addr, 1) | |
1127 | else: | |
1128 | ifaceobjcurr.update_config_with_status('address', | |
1129 | addr, 0) | |
1130 | elif addrs: | |
1131 | [ifaceobjcurr.update_config_with_status('address', | |
1132 | addr, 0) for addr in addrs] | |
1133 | #XXXX Check broadcast address, scope, etc | |
1134 | return | |
1135 | ||
007cae35 JF |
1136 | def query_running_ipv6_addrgen(self, ifaceobjrunning): |
1137 | ipv6_addrgen = self.ipcmd.get_ipv6_addrgen_mode(ifaceobjrunning.name) | |
1138 | ||
1139 | if ipv6_addrgen: | |
1140 | ifaceobjrunning.update_config('ipv6-addrgen', 'off') | |
1141 | ||
0582f185 | 1142 | def _query_running(self, ifaceobjrunning, ifaceobj_getfunc=None): |
15ef32ea RP |
1143 | if not self.ipcmd.link_exists(ifaceobjrunning.name): |
1144 | self.logger.debug('iface %s not found' %ifaceobjrunning.name) | |
15ef32ea | 1145 | return |
007cae35 JF |
1146 | |
1147 | self.query_running_ipv6_addrgen(ifaceobjrunning) | |
1148 | ||
15ef32ea RP |
1149 | dhclientcmd = dhclient() |
1150 | if (dhclientcmd.is_running(ifaceobjrunning.name) or | |
1151 | dhclientcmd.is_running6(ifaceobjrunning.name)): | |
1152 | # If dhcp is configured on the interface, we skip it | |
84f33af6 | 1153 | return |
15ef32ea RP |
1154 | isloopback = self.ipcmd.link_isloopback(ifaceobjrunning.name) |
1155 | if isloopback: | |
1156 | default_addrs = ['127.0.0.1/8', '::1/128'] | |
004d1e65 | 1157 | ifaceobjrunning.addr_family.append('inet') |
15ef32ea RP |
1158 | ifaceobjrunning.addr_method = 'loopback' |
1159 | else: | |
1160 | default_addrs = [] | |
d486dd0d | 1161 | runningaddrsdict = self.ipcmd.get_running_addrs(ifaceobjrunning) |
15ef32ea RP |
1162 | if runningaddrsdict: |
1163 | [ifaceobjrunning.update_config('address', addr) | |
1164 | for addr, addrattrs in runningaddrsdict.items() | |
1165 | if addr not in default_addrs] | |
1166 | mtu = self.ipcmd.link_get_mtu(ifaceobjrunning.name) | |
1167 | if (mtu and | |
1168 | (ifaceobjrunning.name == 'lo' and mtu != '16436') or | |
1169 | (ifaceobjrunning.name != 'lo' and | |
1170 | mtu != self.get_mod_subattr('mtu', 'default'))): | |
1171 | ifaceobjrunning.update_config('mtu', mtu) | |
1172 | alias = self.ipcmd.link_get_alias(ifaceobjrunning.name) | |
84f33af6 | 1173 | if alias: |
15ef32ea RP |
1174 | ifaceobjrunning.update_config('alias', alias) |
1175 | ||
d486dd0d JF |
1176 | ipforward = self.read_file_oneline( |
1177 | '/proc/sys/net/ipv4/conf/%s/forwarding' | |
1178 | %ifaceobjrunning.name) | |
1179 | ||
8d1e346f | 1180 | |
15ef32ea RP |
1181 | _run_ops = {'up' : _up, |
1182 | 'down' : _down, | |
1183 | 'query-checkcurr' : _query_check, | |
1184 | 'query-running' : _query_running } | |
1185 | ||
1186 | def get_ops(self): | |
1187 | """ returns list of ops supported by this module """ | |
1188 | return self._run_ops.keys() | |
1189 | ||
1190 | def _init_command_handlers(self): | |
1191 | if not self.ipcmd: | |
d486dd0d | 1192 | self.ipcmd = LinkUtils() |
15ef32ea | 1193 | |
6e16e5ae | 1194 | def run(self, ifaceobj, operation, query_ifaceobj=None, ifaceobj_getfunc=None): |
15ef32ea RP |
1195 | """ run address configuration on the interface object passed as argument |
1196 | ||
1197 | Args: | |
1198 | **ifaceobj** (object): iface object | |
1199 | ||
1200 | **operation** (str): any of 'up', 'down', 'query-checkcurr', | |
1201 | 'query-running' | |
1202 | Kwargs: | |
1203 | query_ifaceobj (object): query check ifaceobject. This is only | |
1204 | valid when op is 'query-checkcurr'. It is an object same as | |
1205 | ifaceobj, but contains running attribute values and its config | |
1206 | status. The modules can use it to return queried running state | |
1207 | of interfaces. status is success if the running state is same | |
1208 | as user required state in ifaceobj. error otherwise. | |
1209 | """ | |
8e113d63 RP |
1210 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
1211 | return | |
15ef32ea RP |
1212 | op_handler = self._run_ops.get(operation) |
1213 | if not op_handler: | |
1214 | return | |
15ef32ea RP |
1215 | self._init_command_handlers() |
1216 | if operation == 'query-checkcurr': | |
0582f185 RP |
1217 | op_handler(self, ifaceobj, query_ifaceobj, |
1218 | ifaceobj_getfunc=ifaceobj_getfunc) | |
15ef32ea | 1219 | else: |
0582f185 RP |
1220 | op_handler(self, ifaceobj, |
1221 | ifaceobj_getfunc=ifaceobj_getfunc) |