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#!/usr/bin/env python
'''This tool loads the Bcfg2 core into an interactive debugger'''
__revision__ = '$Revision$'
from sys import argv
from time import sleep
from Bcfg2.Server.Core import Core, CoreInitError
def get_input():
'''read commands from stdin'''
try:
return raw_input('> ').split(" ")
except:
return ['']
if __name__ == '__main__':
settings = {}
if '-c' in argv:
cfile = argv[-1]
else:
cfile = '/etc/bcfg2.conf'
try:
core = Core({}, cfile)
except CoreInitError, msg:
print "Core load failed because %s" % msg
raise SystemExit, 1
for i in range(25):
core.fam.Service()
sleep(0.5)
cmd = get_input()
while cmd != ['']:
if cmd[0] in ['exit', 'quit']:
raise SystemExit, 0
elif cmd[0] == 'generators':
for generator in core.generators:
print generator.__version__
elif cmd[0] == 'help':
print 'Commands:'
print 'exit - quit'
print 'generators - list current versions of generators'
print 'help - print this text'
print 'mappings <type*> - print generator mappings for optional type'
print 'set <variable> <value> - set variable for later use'
print 'settings - display all settings'
print 'shell - shell out to native python interpreter'
print 'update - process pending fam events'
print 'version - print version of this tool'
elif cmd[0] == 'set':
settings[cmd[1]] = cmd[2]
elif cmd[0] == 'settings':
for (key, value) in settings.iteritems():
print "%s --> %s" % (key, value)
elif cmd[0] == 'shell':
cmd = ['']
continue
elif cmd[0] == 'version':
print 'Bcfg2debug v. %s' % __revision__
elif cmd[0] == 'mappings':
# dump all mappings unless type specified
for generator in core.generators:
print "Generator -> ", generator.__name__
for key, value in generator.__provides__.iteritems():
for instance in generator.__provides__[key].keys():
print " ", key, instance
elif cmd[0] == 'update':
while core.fam.fm.pending():
while core.fam.fm.pending():
core.fam.HandleEvent()
sleep(0.5)
else:
print "Unknown command %s" % cmd[0]
cmd = get_input()
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