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
|
import lxml.etree
import fcntl
import Bcfg2.Server.Admin
class Client(Bcfg2.Server.Admin.Mode):
__shorthelp__ = 'bcfg2-admin client add <client> attr1=val1 attr2=val2\nbcfg2-admin client del <client>'
__longhelp__ = __shorthelp__ + '\n\tCreate or delete client entries'
def __init__(self, configfile):
Bcfg2.Server.Admin.Mode.__init__(self, configfile)
try:
self.bcore = Bcfg2.Server.Core.Core(self.get_repo_path(), [], ['Metadata'],
'foo', False)
except Bcfg2.Server.Core.CoreInitError, msg:
self.errExit("Core load failed because %s" % msg)
[self.bcore.fam.Service() for _ in range(5)]
while self.bcore.fam.Service():
pass
self.tree = lxml.etree.parse(self.get_repo_path() + "/Metadata/clients.xml")
self.root = self.tree.getroot()
def __call__(self, args):
Bcfg2.Server.Admin.Mode.__call__(self, args)
if args[0] == 'add':
attr_d = {}
for i in args[2:]:
attr, val = i.split('=', 1)
if attr not in ['profile', 'uuid', 'password', 'address',
'secure', 'location']:
print "Attribute %s unknown" % attr
raise SystemExit(1)
attr_d[attr] = val
self.add_client(args[1], attr_d)
elif args[0] in ['delete', 'remove', 'del', 'rm']:
self.del_client(args[1])
else:
print "No command specified"
raise SystemExit(1)
client_tree = open(self.get_repo_path() + "/Metadata/clients.xml","w")
fd = client_tree.fileno()
while True:
try:
fcntl.lockf(fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError:
continue
else:
break
self.tree.write(client_tree)
fcntl.lockf(fd, fcntl.LOCK_UN)
client_tree.close()
def add_client(self, client, attrs):
'''add a new client'''
element = lxml.etree.Element("Client", name=client)
for key, val in attrs.iteritems():
element.set(key, val)
node = self.search_client(client)
if node != None:
print "Client \"%s\" already exists" % (client)
raise SystemExit(1)
self.root.append(element)
def del_client(self, client):
'''delete an existing client'''
node = self.search_client(client)
if node == None:
print "Client \"%s\" not found" % (client)
raise SystemExit(1)
self.root.remove(node)
def search_client(self, client):
'''find a client'''
for node in self.root:
if node.attrib["name"] == client:
return node
return None
|
