1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
#!/usr/bin/env python
# 2014 (c) Paul C. Buetow
import argparse
import base64
import bigsuds
import getpass
import socket
import sys
from os.path import expanduser
import ConfigParser
__program__ = 'fapi'
__version__ = 'VERSION_DEVEL' # Replaced by a Makefile target
__prompt__ = '>>>' # Default prompt
class Fapi(object):
''' The main F5 API Tool Object '''
def __init__(self, args):
''' Initialize the config file, username and password '''
self._config = ConfigParser.ConfigParser()
self._config.read(args.C)
self._args = args
self.__login()
def __login(self):
''' Logs into the F5 BigIP SOAP API and changes the partition'''
c = self._config
if c.has_option('fapi', 'username'):
username = c.get('fapi', 'username')
else:
username = getpass.getuser()
if c.has_option('fapi', 'password64'):
password = base64.decodestring(c.get('fapi', 'password64'))
else:
prompt = 'Enter API password for user %s: ' % username
password = getpass.getpass(prompt)
self.info('Login to BigIP API with user %s' % username)
hostname = c.get('fapi', 'hostname')
# Enhance to try to login to a list of hosts
try:
self._f5 = bigsuds.BIGIP(hostname = hostname,
username = username,
password = password)
self._partition = c.get('fapi', 'partition')
self.info('Setting partition to \'%s\'' % self._partition)
self._f5.Management.Partition.set_active_partition(self._partition)
except Exception, e:
self.info(e)
sys.exit(2)
def info(self, message):
''' Prints an informational message to stderr '''
print >> sys.stderr, '%s %s' % (__prompt__, message)
def __out(self, message):
''' Prints an iControl result to stdout '''
print message
def __lookup(self, what):
''' Does a DNS lookup to fetch the FQDN and all the IPs '''
tmp = what.split(':')
if 1 == len(tmp): tmp.append('80')
what = tmp[0]
port = tmp[1]
try:
data = socket.gethostbyname_ex(what)
except Exception, e:
self.info('Can\'t resolve \'%s\': %s' % (what, e))
sys.exit(2)
fqdn = data[0]
ips = data[2]
if len(ips) > 1:
self.info('\'%s\' resolves to multiple ips \'%s\'' % (fqdn, ips))
sys.exit(2)
return (fqdn, ips[0], port)
def __run_node(self):
''' Do stuff concerning nodes '''
f5 = self._f5.LocalLB.NodeAddressV2
a = self._args
if a.arg == 'show':
if a.arg2 == 'status':
nodename = a.arg3
self.info('Getting node monitor status of \'%s\'' % nodename)
self.__out(f5.get_monitor_status([nodename]))
elif a.arg2 == 'all':
self.info('Getting node list')
self.__out(f5.get_list())
elif a.arg == 'create':
nodename = a.arg2
try:
data = socket.gethostbyname_ex(nodename)
except Exception, e:
self.info('Can\'t resolve \'%s\': %s' % (nodename, e))
sys.exit(2)
fqdn, ip, _ = self.__lookup(nodename)
self.info('Creating node \'%s\' \'%s\'' % (fqdn, ip))
f5.create([fqdn],[ip],[0])
elif a.arg == 'delete':
nodename = a.arg2
self.info('Deleting node \'%s\'' % (nodename))
f5.delete_node_address([nodename])
def __run_pool(self):
''' Do stuff concerning pools '''
f5 = self._f5.LocalLB.Pool
a = self._args
poolname = a.arg2
if a.arg == 'show':
if a.arg2 == 'status':
self.info('Getting pool status of \'%s\'' % poolname)
self.__out(f5.get_object_status([poolname]))
elif a.arg2 == 'members':
self.info('Get pool members of \'%s\'' % poolname)
self.__out(f5.get_member_v2([poolname]))
elif a.arg2 == 'all':
self.info('Get pool list')
self.__out(f5.get_list())
elif a.arg == 'create':
poolmembers = []
method = a.m
if a.arg3:
for x in a.arg3.split(','):
fqdn, ip, port = self.__lookup(x)
pm = { 'address' : fqdn, 'port' : port }
poolmembers.append(pm)
self.info('Creating pool \'%s\'' % poolname)
f5.create_v2([poolname],[method],[poolmembers])
elif a.arg == 'delete':
self.info('Deleting pool \'%s\'' % poolname)
f5.delete_pool([poolname])
elif a.arg == 'add':
fqdn, _, port = self.__lookup(a.arg3)
self.info('Add member \'%s:%s\' to pool \'%s\''
% (fqdn, port, poolname))
member = [{ 'address' : fqdn, 'port' : port }]
f5.add_member_v2([poolname], [member])
elif a.arg == 'remove':
fqdn, _, port = self.__lookup(a.arg3)
self.info('Remove member \'%s:%s\' from pool \'%s\''
% (fqdn, port, poolname))
member = [{ 'address' : fqdn, 'port' : port }]
f5.remove_member_v2([poolname], [member])
def __run_service(self):
''' Do stuff concerning virtual services '''
f5 = self._f5
a = self._args
def run(self):
''' Do the actual stuff '''
if self._args.action == 'node': return self.__run_node()
elif self._args.action == 'pool': return self.__run_pool()
elif self._args.action == 'service': return self.__run_service()
if __name__ == '__main__':
''' The main function, here we will have Popcorn for free! '''
parser = argparse.ArgumentParser()
parser.add_argument('-v', action='store_true', help='Verbose')
parser.add_argument('-V', action='store_true', help='Print version')
parser.add_argument('-m', action='store', help='The lb method',
default='LB_METHOD_RATIO_LEAST_CONNECTION_MEMBER')
parser.add_argument('-C', action='store', help='Config file',
default=expanduser('~') + '/.fapi.conf')
parser.add_argument('action', nargs='?', help='The action')
parser.add_argument('arg', nargs='?', help='The argument for the action')
parser.add_argument('arg2', nargs='?', help='A sub argument')
parser.add_argument('arg3', nargs='?', help='Another sub argument')
args = parser.parse_args()
if args.V:
print 'This is %s version %s' % (__program__, __version__)
sys.exit(0)
fapi = Fapi(args)
fapi.run()
# try:
# if not fapi.run():
# fapi.info('Don\'t know what to do')
# sys.exit(1)
# except Exception, e:
# fapi.info(e)
# sys.exit(2)
# vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
|
