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#!/usr/bin/env python
"""bcfg2-admin is a script that helps to administrate a Bcfg2 deployment."""
import sys
import logging
import Bcfg2.Server.Core
import Bcfg2.Logger
import Bcfg2.Options
# Compatibility import
from Bcfg2.Bcfg2Py3k import StringIO
log = logging.getLogger('bcfg2-admin')
import Bcfg2.Server.Admin
def mode_import(modename):
"""Load Bcfg2.Server.Admin.<mode>."""
modname = modename.capitalize()
mod = getattr(__import__("Bcfg2.Server.Admin.%s" %
(modname)).Server.Admin, modname)
return getattr(mod, modname)
def get_modes():
"""Get all available modes, except for the base mode."""
return [x.lower() for x in Bcfg2.Server.Admin.__all__ if x != 'mode']
def create_description():
"""Create the description string from the list of modes."""
modes = get_modes()
description = StringIO()
description.write("Available modes are:\n\n")
for mode in modes:
try:
description.write((" %-15s %s\n" %
(mode, mode_import(mode).__shorthelp__)))
except (ImportError, SystemExit):
pass
return description.getvalue()
def main():
optinfo = {
'configfile': Bcfg2.Options.CFILE,
'help': Bcfg2.Options.HELP,
'verbose': Bcfg2.Options.VERBOSE,
}
setup = Bcfg2.Options.OptionParser(optinfo)
setup.parse(sys.argv[1:])
log_args = dict(to_syslog=False, to_console=logging.WARNING)
if setup['verbose']:
log_args['to_console'] = logging.DEBUG
# Provide help if requested or no args were specified
if (not setup['args'] or len(setup['args']) < 1 or
setup['args'][0] == 'help' or setup['help']):
if len(setup['args']) > 1:
# Get help for a specific mode by passing it the help argument
setup['args'] = [setup['args'][1], setup['args'][0]]
else:
# Print short help for all modes
print("Usage:\n %s" % setup.buildHelpMessage())
print(create_description())
raise SystemExit(0)
if setup['args'][0] in get_modes():
modname = setup['args'][0].capitalize()
if len(setup['args']) > 1 and setup['args'][1] == 'help':
print(mode_import(modname).__longhelp__)
raise SystemExit(0)
try:
mode_cls = mode_import(modname)
except ImportError:
e = sys.exc_info()[1]
log.error("Failed to load admin mode %s: %s" % (modname, e))
raise SystemExit(1)
mode = mode_cls(setup['configfile'])
mode(setup['args'][1:])
if hasattr(mode, 'bcore'):
mode.bcore.shutdown()
else:
log.error("Unknown mode %s" % setup['args'][0])
print("Usage:\n %s" % setup.buildHelpMessage())
print(create_description())
raise SystemExit(1)
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
raise SystemExit(1)
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