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15ef32ea RP |
1 | #!/usr/bin/python |
2 | ||
3 | from ifupdown.iface import * | |
4 | from ifupdownaddons.modulebase import moduleBase | |
5 | from ifupdownaddons.iproute2 import iproute2 | |
e8b4b06d | 6 | import ifupdown.rtnetlink_api as rtnetlink_api |
15ef32ea | 7 | import logging |
9e012f9e | 8 | from sets import Set |
15ef32ea RP |
9 | |
10 | class vxlan(moduleBase): | |
11 | _modinfo = {'mhelp' : 'vxlan module configures vxlan interfaces.', | |
12 | 'attrs' : { | |
13 | 'vxlan-id' : | |
14 | {'help' : 'vxlan id', | |
15 | 'required' : True, | |
16 | 'example': ['vxlan-id 100']}, | |
17 | 'vxlan-local-tunnelip' : | |
18 | {'help' : 'vxlan local tunnel ip', | |
19 | 'example': ['vxlan-local-tunnelip 172.16.20.103']}, | |
20 | 'vxlan-svcnodeip' : | |
21 | {'help' : 'vxlan id', | |
22 | 'example': ['vxlan-svcnodeip 172.16.22.125']}, | |
23 | 'vxlan-peernodeip' : | |
24 | {'help' : 'vxlan peer node ip', | |
25 | 'example': ['vxlan-peernodeip 172.16.22.127']}, | |
26 | 'vxlan-learning' : | |
27 | {'help' : 'vxlan learning on/off', | |
28 | 'example': ['vxlan-learning on']}, | |
29 | }} | |
30 | ||
31 | def __init__(self, *args, **kargs): | |
32 | moduleBase.__init__(self, *args, **kargs) | |
33 | self.ipcmd = None | |
34 | ||
35 | def _is_vxlan_device(self, ifaceobj): | |
36 | if ifaceobj.get_attr_value_first('vxlan-id'): | |
37 | return True | |
38 | return False | |
39 | ||
40 | def _up(self, ifaceobj): | |
41 | vxlanid = ifaceobj.get_attr_value_first('vxlan-id') | |
42 | if vxlanid: | |
43 | self.ipcmd.link_create_vxlan(ifaceobj.name, vxlanid, | |
44 | localtunnelip=ifaceobj.get_attr_value_first('vxlan-local-tunnelip'), | |
45 | svcnodeips=ifaceobj.get_attr_value('vxlan-svcnodeip'), | |
46 | peernodeips=ifaceobj.get_attr_value('vxlan-peernodeip'), | |
47 | learning=ifaceobj.get_attr_value_first('vxlan-learning')) | |
e8b4b06d RP |
48 | if ifaceobj.addr_method == 'manual': |
49 | rtnetlink_api.rtnl_api.link_set(ifaceobj.name, "up") | |
15ef32ea RP |
50 | |
51 | def _down(self, ifaceobj): | |
52 | try: | |
53 | self.ipcmd.link_delete(ifaceobj.name) | |
54 | except Exception, e: | |
55 | self.log_warn(str(e)) | |
56 | ||
9e012f9e RP |
57 | def _query_check_n_update(self, ifaceobjcurr, attrname, attrval, |
58 | running_attrval): | |
59 | if running_attrval and attrval == running_attrval: | |
60 | ifaceobjcurr.update_config_with_status(attrname, attrval, 0) | |
61 | else: | |
62 | ifaceobjcurr.update_config_with_status(attrname, running_attrval, 1) | |
63 | ||
64 | def _query_check_n_update_addresses(self, ifaceobjcurr, attrname, | |
65 | addresses, running_addresses): | |
66 | if addresses: | |
67 | for a in addresses: | |
68 | if a in running_addresses: | |
69 | ifaceobjcurr.update_config_with_status(attrname, a, 0) | |
70 | else: | |
71 | ifaceobjcurr.update_config_with_status(attrname, a, 1) | |
72 | running_addresses = Set(running_addresses).difference( | |
73 | Set(addresses)) | |
74 | [ifaceobjcurr.update_config_with_status(attrname, a, 1) | |
75 | for a in running_addresses] | |
76 | ||
15ef32ea RP |
77 | def _query_check(self, ifaceobj, ifaceobjcurr): |
78 | if not self.ipcmd.link_exists(ifaceobj.name): | |
15ef32ea | 79 | return |
15ef32ea | 80 | # Update vxlan object |
9e012f9e RP |
81 | vxlanattrs = self.ipcmd.get_vxlandev_attrs(ifaceobj.name) |
82 | if not vxlanattrs: | |
83 | ifaceobjcurr.check_n_update_config_with_status_many( | |
84 | self.get_mod_attrs(), -1) | |
85 | return | |
86 | self._query_check_n_update(ifaceobjcurr, 'vxlan-id', | |
87 | ifaceobj.get_attr_value_first('vxlan-id'), | |
88 | vxlanattrs.get('vxlanid')) | |
89 | ||
90 | self._query_check_n_update(ifaceobjcurr, 'vxlan-local-tunnelip', | |
91 | ifaceobj.get_attr_value_first('vxlan-local-tunnelip'), | |
92 | vxlanattrs.get('local')) | |
93 | ||
94 | self._query_check_n_update_addresses(ifaceobjcurr, 'vxlan-svcnodeip', | |
95 | ifaceobj.get_attr_value('vxlan-svcnodeip'), | |
96 | vxlanattrs.get('svcnode', [])) | |
97 | ||
98 | self._query_check_n_update_addresses(ifaceobjcurr, 'vxlan-peernodeip', | |
99 | ifaceobj.get_attr_value('vxlan-peernodeip'), | |
100 | vxlanattrs.get('peernode', [])) | |
101 | ||
102 | learning = ifaceobj.get_attr_value_first('vxlan-learning') | |
103 | running_learning = vxlanattrs.get('learning') | |
104 | if learning == running_learning: | |
105 | ifaceobjcurr.update_config_with_status('vxlan-learning', | |
106 | running_learning, 0) | |
107 | else: | |
108 | ifaceobjcurr.update_config_with_status('vxlan-learning', | |
109 | running_learning, 1) | |
15ef32ea RP |
110 | |
111 | def _query_running(self, ifaceobjrunning): | |
9e012f9e RP |
112 | vxlanattrs = self.ipcmd.get_vxlandev_attrs(ifaceobjrunning.name) |
113 | if not vxlanattrs: | |
114 | return | |
3eee421a RP |
115 | attrval = vxlanattrs.get('vxlanid') |
116 | if attrval: | |
117 | ifaceobjrunning.update_config('vxlan-id', vxlanattrs.get('vxlanid')) | |
9e012f9e RP |
118 | attrval = vxlanattrs.get('local') |
119 | if attrval: | |
120 | ifaceobjrunning.update_config('vxlan-local-tunnelip', attrval) | |
121 | attrval = vxlanattrs.get('svcnode') | |
122 | if attrval: | |
123 | [ifaceobjrunning.update_config('vxlan-svcnode', a) | |
124 | for a in attrval] | |
125 | attrval = vxlanattrs.get('peernode') | |
126 | if attrval: | |
127 | [ifaceobjrunning.update_config('vxlan-peernode', a) | |
128 | for a in attrval] | |
129 | attrval = vxlanattrs.get('learning') | |
130 | if attrval and attrval == 'on': | |
131 | ifaceobjrunning.update_config('vxlan-learning', 'on') | |
132 | ||
15ef32ea RP |
133 | |
134 | _run_ops = {'pre-up' : _up, | |
135 | 'post-down' : _down, | |
136 | 'query-checkcurr' : _query_check, | |
137 | 'query-running' : _query_running} | |
138 | ||
139 | def get_ops(self): | |
140 | return self._run_ops.keys() | |
141 | ||
142 | def _init_command_handlers(self): | |
143 | if not self.ipcmd: | |
144 | self.ipcmd = iproute2(**self.get_flags()) | |
145 | ||
84ca006f | 146 | def run(self, ifaceobj, operation, query_ifaceobj=None, **extra_args): |
15ef32ea RP |
147 | op_handler = self._run_ops.get(operation) |
148 | if not op_handler: | |
149 | return | |
150 | if (operation != 'query-running' and | |
151 | not self._is_vxlan_device(ifaceobj)): | |
152 | return | |
153 | self._init_command_handlers() | |
154 | if operation == 'query-checkcurr': | |
155 | op_handler(self, ifaceobj, query_ifaceobj) | |
156 | else: | |
157 | op_handler(self, ifaceobj) |