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
|
#!/usr/bin/python -i
'''This tool loads the Bcfg2 core into an interactive debugger'''
__revision__ = '$Revision$'
import logging, lxml.etree, sys, time, Bcfg2.Logging, Bcfg2.Server.Core, Bcfg2.Server.Metadata
def printTabular(rows):
'''print data in tabular format'''
cmax = tuple([max([len(str(row[index])) for row in rows]) + 1 for index in xrange(len(rows[0]))])
fstring = (" %%-%ss |" * len(cmax)) % cmax
fstring = ('|'.join([" %%-%ss "] * len(cmax))) % cmax
print fstring % rows[0]
print (sum(cmax) + (len(cmax) * 2) + (len(cmax) - 1)) * '='
for row in rows[1:]:
print fstring % row
def getInput():
'''read commands from stdin'''
try:
return raw_input('> ').split(" ")
except KeyboardInterrupt:
return ['']
except EOFError:
return [None]
def doShowentries(cmd, core):
'''show abstract configuration entries for a given host'''
if len(cmd) not in [2, 3]:
print "Usage: showentries <hostname> <type>"
return
try:
meta = core.metadata.get_metadata(cmd[1])
except Bcfg2.Server.Metadata.MetadataConsistencyError:
print "Unable to find metadata for host %s" % cmd[1]
return
structures = core.GetStructures(meta)
output = [('entrytype', 'name')]
if len(cmd) == 2:
for item in structures:
for child in item.getchildren():
output.append((child.tag, child.get('name')))
if len(cmd) == 3:
for item in structures:
for child in item.getchildren():
if child.tag == cmd[2]:
output.append((child.tag, child.get('name')))
printTabular(output)
def doBuild(cmd, core):
'''build client configuration'''
if len(cmd) == 3:
output = open(cmd[2], 'w')
output.write(lxml.etree.tostring(core.BuildConfiguration(cmd[1])))
output.close()
else:
print 'Usage: build <hostname> <output file>'
def doBuildFile(cmd, core):
'''build a config file for client'''
if len(cmd) == 3:
entry = lxml.etree.Element('ConfigFile', name=cmd[1])
metadata = core.metadata.get_metadata(cmd[2])
core.Bind(entry, metadata)
print lxml.etree.tostring(entry)
else:
print 'Usage: buildfile filename hostname'
def doBundles(_, core):
'''print out group/bundle info'''
data = [('Group', 'Bundles')]
groups = core.metadata.groups.keys()
groups.sort()
for group in groups:
data.append((group, ','.join(core.metadata.groups[group][0])))
printTabular(data)
def doClients(_, core):
'''print out client info'''
data = [('Client', 'Profile')]
clist = core.metadata.clients.keys()
clist.sort()
for client in clist:
data.append((client, core.metadata.clients[client]))
printTabular(data)
def doHelp(_, dummy):
'''print out usage info'''
print 'Commands:'
print 'build <hostname> <filename> - build config for hostname, writing to filename'
print 'buildfile <filename> <hostname> - build config file for hostname (not written to disk)'
print 'bundles - print out group/bundle information'
print 'clients - print out client/profile information'
print 'debug - shell out to native python interpreter'
print 'generators - list current versions of generators'
print 'groups - list groups'
print 'help - print this text'
print 'mappings <type*> <name*>- print generator mappings for optional type and name'
print 'quit'
print 'showentries <hostname> <type> - show abstract configuration entries for a given host'
print 'update - process pending file events'
print 'version - print version of this tool'
def doGenerators(_, core):
'''print out generator info'''
for generator in core.generators:
print generator.__version__
def doGroups(_, core):
'''print out group info'''
data = [("Groups", "Profile", "Category", "Contains")]
grouplist = core.metadata.groups.keys()
grouplist.sort()
for group in grouplist:
if group in core.metadata.profiles:
prof = 'yes'
else:
prof = 'no'
if core.metadata.categories.has_key(group):
cat = core.metadata.categories[group]
else:
cat = ''
gdata = [grp for grp in core.metadata.groups[group][1]]
gdata.remove(group)
data.append((group, prof, cat, ','.join(gdata)))
printTabular(data)
def doMappings(cmd, core):
'''print out mapping info'''
# dump all mappings unless type specified
data = [('Plugin', 'Type', 'Name')]
for generator in core.generators:
if len(cmd) == 1:
etypes = generator.Entries.keys()
elif len(cmd) > 1:
etypes = [cmd[1]]
if len(cmd) == 3:
interested = [(etype, [cmd[2]]) for etype in etypes]
else:
interested = [(etype, generator.Entries[etype].keys()) for etype in etypes
if generator.Entries.has_key(etype)]
if [etype for (etype, names) in interested
if generator.Entries.has_key(etype) and [name for name in names
if generator.Entries[etype].has_key(name)]]:
for (etype, names) in interested:
for name in names:
if generator.Entries.has_key(etype) and generator.Entries[etype].has_key(name):
data.append((generator.__name__, etype, name))
printTabular(data)
def doQuit(cmd, core):
'''exit program'''
raise SystemExit, 0
def doUpdate(_, core):
'''Process pending fs events'''
core.fam.Service()
def doVersion(_, dummy):
'''print out code version'''
print __revision__
if __name__ == '__main__':
Bcfg2.Logging.setup_logging('bcfg2-info', to_syslog=False)
logger = logging.getLogger('bcfg2-info')
dispatch = {'build': doBuild, 'buildfile': doBuildFile, 'bundles': doBundles,
'clients': doClients, 'generators': doGenerators, 'groups': doGroups,
'help': doHelp, 'mappings': doMappings, 'quit': doQuit,
'showentries': doShowentries, 'update': doUpdate, 'version': doVersion}
if '-c' in sys.argv:
cfile = sys.argv[-1]
else:
cfile = '/etc/bcfg2.conf'
try:
bcore = Bcfg2.Server.Core.Core({}, cfile)
except Bcfg2.Server.Core.CoreInitError, msg:
print "Core load failed because %s" % msg
raise SystemExit, 1
for i in range(25):
bcore.fam.Service()
time.sleep(0.5)
while True:
ucmd = getInput()
if ucmd[0] == None:
ucmd[0] = 'quit'
if ucmd[0] == 'debug':
break
else:
if dispatch.has_key(ucmd[0]):
try:
dispatch[ucmd[0]](ucmd, bcore)
except SystemExit, code:
raise SystemExit, code
except:
logger.error("command failure", exc_info=1)
else:
print "Unknown command: %s" % ucmd[0]
|
