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15ef32ea RP |
1 | #!/usr/bin/python |
2 | # | |
3 | # Copyright 2014 Cumulus Networks, Inc. All rights reserved. | |
4 | # Author: Roopa Prabhu, roopa@cumulusnetworks.com | |
5 | # | |
6 | ||
9087e727 JF |
7 | import os |
8 | ||
15ef32ea | 9 | try: |
c6370b56 | 10 | from ipaddr import IPNetwork, IPv4Network, IPv6Network, IPv4Address, IPv6Address |
15ef32ea RP |
11 | from sets import Set |
12 | from ifupdown.iface import * | |
13 | from ifupdownaddons.modulebase import moduleBase | |
14 | from ifupdownaddons.iproute2 import iproute2 | |
15 | from ifupdownaddons.dhclient import dhclient | |
84f33af6 | 16 | import ifupdown.policymanager as policymanager |
2864d6f3 | 17 | from ifupdown.netlink import netlink |
0582f185 | 18 | import ifupdown.ifupdownconfig as ifupdownConfig |
fc5e1735 | 19 | import ifupdown.ifupdownflags as ifupdownflags |
0232d1bb | 20 | import ifupdown.statemanager as statemanager |
15ef32ea RP |
21 | except ImportError, e: |
22 | raise ImportError (str(e) + "- required module not found") | |
23 | ||
24 | class address(moduleBase): | |
25 | """ ifupdown2 addon module to configure address, mtu, hwaddress, alias | |
26 | (description) on an interface """ | |
27 | ||
28 | _modinfo = {'mhelp' : 'address configuration module for interfaces', | |
29 | 'attrs': { | |
30 | 'address' : | |
31 | {'help' : 'ipv4 or ipv6 addresses', | |
482b2fab | 32 | 'validvals' : ['<ipv4/prefixlen>', '<ipv6/prefixlen>'], |
c6370b56 | 33 | 'multiline' : True, |
15ef32ea RP |
34 | 'example' : ['address 10.0.12.3/24', |
35 | 'address 2000:1000:1000:1000:3::5/128']}, | |
36 | 'netmask' : | |
37 | {'help': 'netmask', | |
38 | 'example' : ['netmask 255.255.255.0'], | |
39 | 'compat' : True}, | |
40 | 'broadcast' : | |
41 | {'help': 'broadcast address', | |
482b2fab | 42 | 'validvals' : ['<ipv4>', ], |
15ef32ea RP |
43 | 'example' : ['broadcast 10.0.1.255']}, |
44 | 'scope' : | |
45 | {'help': 'scope', | |
c6370b56 | 46 | 'validvals' : ['universe', 'site', 'link', 'host', 'nowhere'], |
15ef32ea RP |
47 | 'example' : ['scope host']}, |
48 | 'preferred-lifetime' : | |
49 | {'help': 'preferred lifetime', | |
c6370b56 | 50 | 'validrange' : ['0', '65535'], |
15ef32ea RP |
51 | 'example' : ['preferred-lifetime forever', |
52 | 'preferred-lifetime 10']}, | |
53 | 'gateway' : | |
54 | {'help': 'default gateway', | |
482b2fab | 55 | 'validvals' : ['<ipv4>', '<ipv6>'], |
15ef32ea RP |
56 | 'example' : ['gateway 255.255.255.0']}, |
57 | 'mtu' : | |
58 | { 'help': 'interface mtu', | |
c6370b56 | 59 | 'validrange' : ['552', '9216'], |
15ef32ea RP |
60 | 'example' : ['mtu 1600'], |
61 | 'default' : '1500'}, | |
62 | 'hwaddress' : | |
63 | {'help' : 'hw address', | |
c6370b56 | 64 | 'validvals' : ['<mac>',], |
15ef32ea RP |
65 | 'example': ['hwaddress 44:38:39:00:27:b8']}, |
66 | 'alias' : | |
67 | { 'help': 'description/alias', | |
c6370b56 | 68 | 'validvals' : ['<text>',], |
394e68b5 RP |
69 | 'example' : ['alias testnetwork']}, |
70 | 'address-purge' : | |
71 | { 'help': 'purge existing addresses. By default ' + | |
72 | 'any existing ip addresses on an interface are ' + | |
73 | 'purged to match persistant addresses in the ' + | |
74 | 'interfaces file. Set this attribute to \'no\'' + | |
75 | 'if you want to preserve existing addresses', | |
c6370b56 | 76 | 'validvals' : ['yes', 'no'], |
394e68b5 | 77 | 'default' : 'yes', |
a794fb31 BR |
78 | 'example' : ['address-purge yes/no']}, |
79 | 'clagd-vxlan-anycast-ip' : | |
80 | { 'help' : 'Anycast local IP address for ' + | |
81 | 'dual connected VxLANs', | |
482b2fab | 82 | 'validvals' : ['<ipv4>', ], |
a794fb31 | 83 | 'example' : ['clagd-vxlan-anycast-ip 36.0.0.11']}}} |
15ef32ea RP |
84 | |
85 | def __init__(self, *args, **kargs): | |
86 | moduleBase.__init__(self, *args, **kargs) | |
87 | self.ipcmd = None | |
8e113d63 | 88 | self._bridge_fdb_query_cache = {} |
84f33af6 | 89 | self.default_mtu = policymanager.policymanager_api.get_attr_default(module_name=self.__class__.__name__, attr='mtu') |
15ef32ea | 90 | |
75afe2a7 RP |
91 | def _address_valid(self, addrs): |
92 | if not addrs: | |
93 | return False | |
94 | if any(map(lambda a: True if a[:7] != '0.0.0.0' | |
95 | else False, addrs)): | |
96 | return True | |
97 | return False | |
98 | ||
428206bf | 99 | def _get_hwaddress(self, ifaceobj): |
2876ca35 | 100 | hwaddress = ifaceobj.get_attr_value_first('hwaddress') |
428206bf JF |
101 | if hwaddress and hwaddress.startswith("ether"): |
102 | hwaddress = hwaddress[5:].strip() | |
103 | return hwaddress | |
104 | ||
105 | def _process_bridge(self, ifaceobj, up): | |
106 | hwaddress = self._get_hwaddress(ifaceobj) | |
75afe2a7 RP |
107 | addrs = ifaceobj.get_attr_value_first('address') |
108 | is_vlan_dev_on_vlan_aware_bridge = False | |
109 | is_bridge = self.ipcmd.is_bridge(ifaceobj.name) | |
110 | if not is_bridge: | |
111 | if '.' in ifaceobj.name: | |
112 | (bridgename, vlan) = ifaceobj.name.split('.') | |
113 | is_vlan_dev_on_vlan_aware_bridge = self.ipcmd.bridge_is_vlan_aware(bridgename) | |
8c2c9f26 RP |
114 | if ((is_bridge and not self.ipcmd.bridge_is_vlan_aware(ifaceobj.name)) |
115 | or is_vlan_dev_on_vlan_aware_bridge): | |
75afe2a7 RP |
116 | if self._address_valid(addrs): |
117 | if up: | |
118 | self.write_file('/proc/sys/net/ipv4/conf/%s' %ifaceobj.name + | |
119 | '/arp_accept', '1') | |
120 | else: | |
121 | self.write_file('/proc/sys/net/ipv4/conf/%s' %ifaceobj.name + | |
122 | '/arp_accept', '0') | |
123 | if hwaddress and is_vlan_dev_on_vlan_aware_bridge: | |
124 | if up: | |
125 | self.ipcmd.bridge_fdb_add(bridgename, hwaddress, vlan) | |
126 | else: | |
127 | self.ipcmd.bridge_fdb_del(bridgename, hwaddress, vlan) | |
cb46a208 | 128 | |
0582f185 RP |
129 | def _get_anycast_addr(self, ifaceobjlist): |
130 | for ifaceobj in ifaceobjlist: | |
131 | anycast_addr = ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip') | |
132 | if anycast_addr: | |
133 | anycast_addr = anycast_addr+'/32' | |
134 | return anycast_addr | |
135 | return None | |
136 | ||
137 | def _inet_address_convert_to_cidr(self, ifaceobjlist): | |
15ef32ea | 138 | newaddrs = [] |
0582f185 RP |
139 | newaddr_attrs = {} |
140 | ||
141 | for ifaceobj in ifaceobjlist: | |
142 | addrs = ifaceobj.get_attr_value('address') | |
143 | if not addrs: | |
144 | continue | |
145 | ||
858a230f RP |
146 | if (((ifaceobj.role & ifaceRole.SLAVE) and |
147 | not (ifaceobj.link_privflags & ifaceLinkPrivFlags.VRF_SLAVE)) or | |
148 | ((ifaceobj.link_kind & ifaceLinkKind.BRIDGE) and | |
149 | (ifaceobj.link_privflags & ifaceLinkPrivFlags.BRIDGE_VLAN_AWARE))): | |
e6a66e79 RP |
150 | # we must not configure an IP address if the interface is |
151 | # enslaved or is a VLAN AWARE BRIDGE | |
152 | self.logger.info('%s: ignoring ip address. Interface is ' | |
153 | 'enslaved or a vlan aware bridge and cannot' | |
154 | ' have an IP Address' %(ifaceobj.name)) | |
0582f185 | 155 | return (False, newaddrs, newaddr_attrs) |
15ef32ea RP |
156 | # If user address is not in CIDR notation, convert them to CIDR |
157 | for addr_index in range(0, len(addrs)): | |
158 | addr = addrs[addr_index] | |
159 | if '/' in addr: | |
160 | newaddrs.append(addr) | |
161 | continue | |
494d31d2 | 162 | newaddr = addr |
15ef32ea RP |
163 | netmask = ifaceobj.get_attr_value_n('netmask', addr_index) |
164 | if netmask: | |
165 | prefixlen = IPNetwork('%s' %addr + | |
166 | '/%s' %netmask).prefixlen | |
0582f185 | 167 | newaddr = addr + '/%s' %prefixlen |
42ae7838 ST |
168 | else: |
169 | # we are here because there is no slash (/xx) and no netmask | |
170 | # just let IPNetwork handle the ipv4 or ipv6 address mask | |
171 | prefixlen = IPNetwork(addr).prefixlen | |
172 | newaddr = addr + '/%s' %prefixlen | |
0582f185 | 173 | newaddrs.append(newaddr) |
15ef32ea | 174 | |
0582f185 RP |
175 | attrs = {} |
176 | for a in ['broadcast', 'pointopoint', 'scope', | |
177 | 'preferred-lifetime']: | |
178 | aval = ifaceobj.get_attr_value_n(a, addr_index) | |
179 | if aval: | |
72c964c2 | 180 | attrs[a] = aval |
0582f185 RP |
181 | |
182 | if attrs: | |
183 | newaddr_attrs[newaddr]= attrs | |
184 | return (True, newaddrs, newaddr_attrs) | |
185 | ||
77021aa1 RP |
186 | def _inet_address_list_config(self, ifaceobj, newaddrs, newaddr_attrs): |
187 | for addr_index in range(0, len(newaddrs)): | |
188 | try: | |
189 | if newaddr_attrs: | |
190 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index], | |
191 | newaddr_attrs.get(newaddrs[addr_index], | |
192 | {}).get('broadcast'), | |
193 | newaddr_attrs.get(newaddrs[addr_index], | |
194 | {}).get('pointopoint'), | |
195 | newaddr_attrs.get(newaddrs[addr_index], | |
196 | {}).get('scope'), | |
197 | newaddr_attrs.get(newaddrs[addr_index], | |
198 | {}).get('preferred-lifetime')) | |
199 | else: | |
200 | self.ipcmd.addr_add(ifaceobj.name, newaddrs[addr_index]) | |
201 | except Exception, e: | |
bf3eda91 | 202 | self.log_error(str(e), ifaceobj) |
77021aa1 RP |
203 | |
204 | def _inet_address_config(self, ifaceobj, ifaceobj_getfunc=None, | |
205 | force_reapply=False): | |
0582f185 RP |
206 | squash_addr_config = (True if \ |
207 | ifupdownConfig.config.get('addr_config_squash', \ | |
208 | '0') == '1' else False) | |
209 | ||
210 | if (squash_addr_config and | |
211 | not (ifaceobj.flags & ifaceobj.YOUNGEST_SIBLING)): | |
212 | return | |
213 | ||
214 | purge_addresses = ifaceobj.get_attr_value_first('address-purge') | |
215 | if not purge_addresses: | |
216 | purge_addresses = 'yes' | |
217 | ||
218 | if squash_addr_config and ifaceobj.flags & iface.HAS_SIBLINGS: | |
219 | ifaceobjlist = ifaceobj_getfunc(ifaceobj.name) | |
220 | else: | |
221 | ifaceobjlist = [ifaceobj] | |
222 | ||
223 | (addr_supported, newaddrs, newaddr_attrs) = self._inet_address_convert_to_cidr(ifaceobjlist) | |
224 | if not addr_supported: | |
225 | return | |
226 | if (not squash_addr_config and (ifaceobj.flags & iface.HAS_SIBLINGS)): | |
227 | # if youngest sibling and squash addr is not set | |
228 | # print a warning that addresses will not be purged | |
229 | if (ifaceobj.flags & iface.YOUNGEST_SIBLING): | |
230 | self.logger.warn('%s: interface has multiple ' %ifaceobj.name + | |
231 | 'iface stanzas, skip purging existing addresses') | |
232 | purge_addresses = 'no' | |
233 | ||
fc5e1735 | 234 | if not ifupdownflags.flags.PERFMODE and purge_addresses == 'yes': |
0582f185 RP |
235 | # if perfmode is not set and purge addresses is not set to 'no' |
236 | # lets purge addresses not in the config | |
15ef32ea | 237 | runningaddrs = self.ipcmd.addr_get(ifaceobj.name, details=False) |
0582f185 | 238 | |
a794fb31 BR |
239 | # if anycast address is configured on 'lo' and is in running config |
240 | # add it to newaddrs so that ifreload doesn't wipe it out | |
0582f185 RP |
241 | anycast_addr = self._get_anycast_addr(ifaceobjlist) |
242 | ||
a794fb31 BR |
243 | if runningaddrs and anycast_addr and anycast_addr in runningaddrs: |
244 | newaddrs.append(anycast_addr) | |
15ef32ea | 245 | if newaddrs == runningaddrs: |
77021aa1 RP |
246 | if force_reapply: |
247 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) | |
15ef32ea RP |
248 | return |
249 | try: | |
250 | # if primary address is not same, there is no need to keep any. | |
251 | # reset all addresses | |
252 | if (newaddrs and runningaddrs and | |
253 | (newaddrs[0] != runningaddrs[0])): | |
254 | self.ipcmd.del_addr_all(ifaceobj.name) | |
255 | else: | |
256 | self.ipcmd.del_addr_all(ifaceobj.name, newaddrs) | |
257 | except Exception, e: | |
258 | self.log_warn(str(e)) | |
259 | if not newaddrs: | |
260 | return | |
77021aa1 | 261 | self._inet_address_list_config(ifaceobj, newaddrs, newaddr_attrs) |
15ef32ea | 262 | |
0232d1bb N |
263 | def _add_delete_gateway(self, ifaceobj, gateways=[], prev_gw=[]): |
264 | vrf = ifaceobj.get_attr_value_first('vrf') | |
265 | metric = ifaceobj.get_attr_value_first('metric') | |
266 | for del_gw in list(set(prev_gw) - set(gateways)): | |
267 | try: | |
268 | self.ipcmd.route_del_gateway(ifaceobj.name, del_gw, vrf, metric) | |
269 | except: | |
270 | pass | |
271 | for add_gw in list(set(gateways) - set(prev_gw)): | |
272 | try: | |
273 | self.ipcmd.route_add_gateway(ifaceobj.name, add_gw, vrf) | |
274 | except: | |
275 | pass | |
276 | ||
277 | def _get_prev_gateway(self, ifaceobj, gateways): | |
278 | ipv = [] | |
279 | saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(ifaceobj.name) | |
280 | if not saved_ifaceobjs: | |
281 | return ipv | |
282 | prev_gateways = saved_ifaceobjs[0].get_attr_value('gateway') | |
283 | if not prev_gateways: | |
284 | return ipv | |
285 | return prev_gateways | |
286 | ||
0582f185 | 287 | def _up(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
288 | if not self.ipcmd.link_exists(ifaceobj.name): |
289 | return | |
68d9fee0 | 290 | addr_method = ifaceobj.addr_method |
77021aa1 | 291 | force_reapply = False |
15ef32ea RP |
292 | try: |
293 | # release any stale dhcp addresses if present | |
fc5e1735 | 294 | if (addr_method != "dhcp" and not ifupdownflags.flags.PERFMODE and |
15ef32ea RP |
295 | not (ifaceobj.flags & iface.HAS_SIBLINGS)): |
296 | # if not running in perf mode and ifaceobj does not have | |
297 | # any sibling iface objects, kill any stale dhclient | |
298 | # processes | |
75afe2a7 | 299 | dhclientcmd = dhclient() |
7c1135ea | 300 | if dhclientcmd.is_running(ifaceobj.name): |
15ef32ea RP |
301 | # release any dhcp leases |
302 | dhclientcmd.release(ifaceobj.name) | |
77021aa1 | 303 | force_reapply = True |
7c1135ea | 304 | elif dhclientcmd.is_running6(ifaceobj.name): |
15ef32ea | 305 | dhclientcmd.release6(ifaceobj.name) |
77021aa1 | 306 | force_reapply = True |
15ef32ea RP |
307 | except: |
308 | pass | |
8e113d63 | 309 | |
15ef32ea | 310 | self.ipcmd.batch_start() |
68d9fee0 | 311 | if addr_method != "dhcp": |
77021aa1 RP |
312 | self._inet_address_config(ifaceobj, ifaceobj_getfunc, |
313 | force_reapply) | |
15ef32ea RP |
314 | mtu = ifaceobj.get_attr_value_first('mtu') |
315 | if mtu: | |
8e113d63 | 316 | self.ipcmd.link_set(ifaceobj.name, 'mtu', mtu) |
6fa93b22 | 317 | elif (not (ifaceobj.name == 'lo') and not ifaceobj.link_kind and |
00c12960 RP |
318 | not (ifaceobj.link_privflags & ifaceLinkPrivFlags.BOND_SLAVE) and |
319 | self.default_mtu): | |
320 | # logical devices like bridges and vlan devices rely on mtu | |
321 | # from their lower devices. ie mtu travels from | |
322 | # lower devices to upper devices. For bonds mtu travels from | |
323 | # upper to lower devices. running mtu depends on upper and | |
324 | # lower device mtu. With all this implicit mtu | |
325 | # config by the kernel in play, we try to be cautious here | |
326 | # on which devices we want to reset mtu to default. | |
327 | # essentially only physical interfaces which are not bond slaves | |
328 | running_mtu = self.ipcmd.link_get_mtu(ifaceobj.name) | |
329 | if running_mtu != self.default_mtu: | |
330 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) | |
13e22530 | 331 | |
15ef32ea RP |
332 | alias = ifaceobj.get_attr_value_first('alias') |
333 | if alias: | |
8e113d63 | 334 | self.ipcmd.link_set_alias(ifaceobj.name, alias) |
093ffa00 JF |
335 | try: |
336 | self.ipcmd.batch_commit() | |
337 | except Exception as e: | |
338 | self.logger.error('%s: %s' % (ifaceobj.name, str(e))) | |
339 | ifaceobj.set_status(ifaceStatus.ERROR) | |
264dcaa0 | 340 | |
428206bf | 341 | hwaddress = self._get_hwaddress(ifaceobj) |
cb46a208 | 342 | if hwaddress: |
264dcaa0 | 343 | running_hwaddress = None |
fc5e1735 | 344 | if not ifupdownflags.flags.PERFMODE: # system is clean |
2876ca35 | 345 | running_hwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) |
264dcaa0 RP |
346 | if hwaddress != running_hwaddress: |
347 | slave_down = False | |
2864d6f3 | 348 | netlink.link_set_updown(ifaceobj.name, "down") |
264dcaa0 RP |
349 | if ifaceobj.link_kind & ifaceLinkKind.BOND: |
350 | # if bond, down all the slaves | |
351 | if ifaceobj.lowerifaces: | |
352 | for l in ifaceobj.lowerifaces: | |
2864d6f3 | 353 | netlink.link_set_updown(l, "down") |
264dcaa0 RP |
354 | slave_down = True |
355 | try: | |
356 | self.ipcmd.link_set(ifaceobj.name, 'address', hwaddress) | |
357 | finally: | |
2864d6f3 | 358 | netlink.link_set_updown(ifaceobj.name, "up") |
264dcaa0 RP |
359 | if slave_down: |
360 | for l in ifaceobj.lowerifaces: | |
2864d6f3 | 361 | netlink.link_set_updown(l, "up") |
cb46a208 | 362 | |
68d9fee0 RP |
363 | try: |
364 | # Handle special things on a bridge | |
365 | self._process_bridge(ifaceobj, True) | |
366 | except Exception, e: | |
bf3eda91 | 367 | self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj) |
68d9fee0 | 368 | pass |
cb46a208 | 369 | |
68d9fee0 | 370 | if addr_method != "dhcp": |
0232d1bb N |
371 | gateways = ifaceobj.get_attr_value('gateway') |
372 | if not gateways: | |
373 | gateways = [] | |
374 | prev_gw = self._get_prev_gateway(ifaceobj, gateways) | |
375 | self._add_delete_gateway(ifaceobj, gateways, prev_gw) | |
376 | return | |
15ef32ea | 377 | |
0582f185 | 378 | def _down(self, ifaceobj, ifaceobj_getfunc=None): |
15ef32ea RP |
379 | try: |
380 | if not self.ipcmd.link_exists(ifaceobj.name): | |
381 | return | |
68d9fee0 RP |
382 | addr_method = ifaceobj.addr_method |
383 | if addr_method != "dhcp": | |
aa052170 N |
384 | if ifaceobj.get_attr_value_first('address-purge')=='no': |
385 | addrlist = ifaceobj.get_attr_value('address') | |
386 | for addr in addrlist: | |
387 | self.ipcmd.addr_del(ifaceobj.name, addr) | |
388 | #self.ipcmd.addr_del(ifaceobj.name, ifaceobj.get_attr_value('address')[0]) | |
389 | else: | |
390 | self.ipcmd.del_addr_all(ifaceobj.name) | |
84f33af6 | 391 | mtu = ifaceobj.get_attr_value_first('mtu') |
00c12960 RP |
392 | if (not ifaceobj.link_kind and mtu and |
393 | self.default_mtu and (mtu != self.default_mtu)): | |
84f33af6 | 394 | self.ipcmd.link_set(ifaceobj.name, 'mtu', self.default_mtu) |
15ef32ea RP |
395 | alias = ifaceobj.get_attr_value_first('alias') |
396 | if alias: | |
9087e727 | 397 | filename = '/sys/class/net/%s/ifalias' %ifaceobj.name |
a4a53f4b | 398 | self.logger.info('executing echo "" > %s' %filename) |
9087e727 | 399 | os.system('echo "" > %s' %filename) |
75afe2a7 RP |
400 | # XXX hwaddress reset cannot happen because we dont know last |
401 | # address. | |
402 | ||
403 | # Handle special things on a bridge | |
404 | self._process_bridge(ifaceobj, False) | |
15ef32ea | 405 | except Exception, e: |
bcf11b14 RP |
406 | self.logger.debug('%s : %s' %(ifaceobj.name, str(e))) |
407 | pass | |
15ef32ea RP |
408 | |
409 | def _get_iface_addresses(self, ifaceobj): | |
410 | addrlist = ifaceobj.get_attr_value('address') | |
411 | outaddrlist = [] | |
412 | ||
413 | if not addrlist: return None | |
414 | for addrindex in range(0, len(addrlist)): | |
415 | addr = addrlist[addrindex] | |
416 | netmask = ifaceobj.get_attr_value_n('netmask', addrindex) | |
417 | if netmask: | |
418 | prefixlen = IPNetwork('%s' %addr + | |
419 | '/%s' %netmask).prefixlen | |
420 | addr = addr + '/%s' %prefixlen | |
421 | outaddrlist.append(addr) | |
422 | return outaddrlist | |
423 | ||
8e113d63 RP |
424 | def _get_bridge_fdbs(self, bridgename, vlan): |
425 | fdbs = self._bridge_fdb_query_cache.get(bridgename) | |
426 | if not fdbs: | |
427 | fdbs = self.ipcmd.bridge_fdb_show_dev(bridgename) | |
428 | if not fdbs: | |
429 | return | |
430 | self._bridge_fdb_query_cache[bridgename] = fdbs | |
431 | return fdbs.get(vlan) | |
432 | ||
433 | def _check_addresses_in_bridge(self, ifaceobj, hwaddress): | |
434 | """ If the device is a bridge, make sure the addresses | |
435 | are in the bridge """ | |
436 | if '.' in ifaceobj.name: | |
437 | (bridgename, vlan) = ifaceobj.name.split('.') | |
438 | if self.ipcmd.bridge_is_vlan_aware(bridgename): | |
439 | fdb_addrs = self._get_bridge_fdbs(bridgename, vlan) | |
440 | if not fdb_addrs or hwaddress not in fdb_addrs: | |
441 | return False | |
442 | return True | |
443 | ||
0582f185 | 444 | def _query_check(self, ifaceobj, ifaceobjcurr, ifaceobj_getfunc=None): |
15ef32ea RP |
445 | runningaddrsdict = None |
446 | if not self.ipcmd.link_exists(ifaceobj.name): | |
447 | self.logger.debug('iface %s not found' %ifaceobj.name) | |
448 | return | |
16d854b4 | 449 | addr_method = ifaceobj.addr_method |
15ef32ea RP |
450 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
451 | 'mtu', self.ipcmd.link_get_mtu) | |
428206bf | 452 | hwaddress = self._get_hwaddress(ifaceobj) |
8e113d63 | 453 | if hwaddress: |
2876ca35 | 454 | rhwaddress = self.ipcmd.link_get_hwaddress(ifaceobj.name) |
8e113d63 RP |
455 | if not rhwaddress or rhwaddress != hwaddress: |
456 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
457 | 1) | |
458 | elif not self._check_addresses_in_bridge(ifaceobj, hwaddress): | |
459 | # XXX: hw address is not in bridge | |
460 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
461 | 1) | |
462 | ifaceobjcurr.status_str = 'bridge fdb error' | |
463 | else: | |
464 | ifaceobjcurr.update_config_with_status('hwaddress', rhwaddress, | |
465 | 0) | |
15ef32ea RP |
466 | self.query_n_update_ifaceobjcurr_attr(ifaceobj, ifaceobjcurr, |
467 | 'alias', self.ipcmd.link_get_alias) | |
468 | # compare addresses | |
16d854b4 RP |
469 | if addr_method == 'dhcp': |
470 | return | |
15ef32ea RP |
471 | addrs = self._get_iface_addresses(ifaceobj) |
472 | runningaddrsdict = self.ipcmd.addr_get(ifaceobj.name) | |
a794fb31 BR |
473 | # if anycast address is configured on 'lo' and is in running config |
474 | # add it to addrs so that query_check doesn't fail | |
475 | anycast_addr = ifaceobj.get_attr_value_first('clagd-vxlan-anycast-ip') | |
476 | if anycast_addr: | |
477 | anycast_addr = anycast_addr+'/32' | |
478 | if runningaddrsdict and anycast_addr and runningaddrsdict.get(anycast_addr): | |
479 | addrs.append(anycast_addr) | |
15ef32ea RP |
480 | |
481 | # Set ifaceobjcurr method and family | |
482 | ifaceobjcurr.addr_method = ifaceobj.addr_method | |
483 | ifaceobjcurr.addr_family = ifaceobj.addr_family | |
484 | if not runningaddrsdict and not addrs: | |
485 | return | |
486 | runningaddrs = runningaddrsdict.keys() if runningaddrsdict else [] | |
487 | if runningaddrs != addrs: | |
488 | runningaddrsset = set(runningaddrs) if runningaddrs else set([]) | |
489 | addrsset = set(addrs) if addrs else set([]) | |
490 | if (ifaceobj.flags & iface.HAS_SIBLINGS): | |
491 | if not addrsset: | |
492 | return | |
493 | # only check for addresses present in running config | |
494 | addrsdiff = addrsset.difference(runningaddrsset) | |
495 | for addr in addrs: | |
496 | if addr in addrsdiff: | |
497 | ifaceobjcurr.update_config_with_status('address', | |
498 | addr, 1) | |
499 | else: | |
500 | ifaceobjcurr.update_config_with_status('address', | |
501 | addr, 0) | |
502 | else: | |
503 | addrsdiff = addrsset.symmetric_difference(runningaddrsset) | |
504 | for addr in addrsset.union(runningaddrsset): | |
505 | if addr in addrsdiff: | |
506 | ifaceobjcurr.update_config_with_status('address', | |
507 | addr, 1) | |
508 | else: | |
509 | ifaceobjcurr.update_config_with_status('address', | |
510 | addr, 0) | |
511 | elif addrs: | |
512 | [ifaceobjcurr.update_config_with_status('address', | |
513 | addr, 0) for addr in addrs] | |
514 | #XXXX Check broadcast address, scope, etc | |
515 | return | |
516 | ||
0582f185 | 517 | def _query_running(self, ifaceobjrunning, ifaceobj_getfunc=None): |
15ef32ea RP |
518 | if not self.ipcmd.link_exists(ifaceobjrunning.name): |
519 | self.logger.debug('iface %s not found' %ifaceobjrunning.name) | |
15ef32ea RP |
520 | return |
521 | dhclientcmd = dhclient() | |
522 | if (dhclientcmd.is_running(ifaceobjrunning.name) or | |
523 | dhclientcmd.is_running6(ifaceobjrunning.name)): | |
524 | # If dhcp is configured on the interface, we skip it | |
84f33af6 | 525 | return |
15ef32ea RP |
526 | isloopback = self.ipcmd.link_isloopback(ifaceobjrunning.name) |
527 | if isloopback: | |
528 | default_addrs = ['127.0.0.1/8', '::1/128'] | |
529 | ifaceobjrunning.addr_family = 'inet' | |
530 | ifaceobjrunning.addr_method = 'loopback' | |
531 | else: | |
532 | default_addrs = [] | |
533 | runningaddrsdict = self.ipcmd.addr_get(ifaceobjrunning.name) | |
534 | if runningaddrsdict: | |
535 | [ifaceobjrunning.update_config('address', addr) | |
536 | for addr, addrattrs in runningaddrsdict.items() | |
537 | if addr not in default_addrs] | |
538 | mtu = self.ipcmd.link_get_mtu(ifaceobjrunning.name) | |
539 | if (mtu and | |
540 | (ifaceobjrunning.name == 'lo' and mtu != '16436') or | |
541 | (ifaceobjrunning.name != 'lo' and | |
542 | mtu != self.get_mod_subattr('mtu', 'default'))): | |
543 | ifaceobjrunning.update_config('mtu', mtu) | |
544 | alias = self.ipcmd.link_get_alias(ifaceobjrunning.name) | |
84f33af6 | 545 | if alias: |
15ef32ea RP |
546 | ifaceobjrunning.update_config('alias', alias) |
547 | ||
548 | _run_ops = {'up' : _up, | |
549 | 'down' : _down, | |
550 | 'query-checkcurr' : _query_check, | |
551 | 'query-running' : _query_running } | |
552 | ||
553 | def get_ops(self): | |
554 | """ returns list of ops supported by this module """ | |
555 | return self._run_ops.keys() | |
556 | ||
557 | def _init_command_handlers(self): | |
558 | if not self.ipcmd: | |
fc5e1735 | 559 | self.ipcmd = iproute2() |
15ef32ea | 560 | |
6e16e5ae | 561 | def run(self, ifaceobj, operation, query_ifaceobj=None, ifaceobj_getfunc=None): |
15ef32ea RP |
562 | """ run address configuration on the interface object passed as argument |
563 | ||
564 | Args: | |
565 | **ifaceobj** (object): iface object | |
566 | ||
567 | **operation** (str): any of 'up', 'down', 'query-checkcurr', | |
568 | 'query-running' | |
569 | Kwargs: | |
570 | query_ifaceobj (object): query check ifaceobject. This is only | |
571 | valid when op is 'query-checkcurr'. It is an object same as | |
572 | ifaceobj, but contains running attribute values and its config | |
573 | status. The modules can use it to return queried running state | |
574 | of interfaces. status is success if the running state is same | |
575 | as user required state in ifaceobj. error otherwise. | |
576 | """ | |
8e113d63 RP |
577 | if ifaceobj.type == ifaceType.BRIDGE_VLAN: |
578 | return | |
15ef32ea RP |
579 | op_handler = self._run_ops.get(operation) |
580 | if not op_handler: | |
581 | return | |
15ef32ea RP |
582 | self._init_command_handlers() |
583 | if operation == 'query-checkcurr': | |
0582f185 RP |
584 | op_handler(self, ifaceobj, query_ifaceobj, |
585 | ifaceobj_getfunc=ifaceobj_getfunc) | |
15ef32ea | 586 | else: |
0582f185 RP |
587 | op_handler(self, ifaceobj, |
588 | ifaceobj_getfunc=ifaceobj_getfunc) |