Source code for Bcfg2.Server.Plugins.Cfg.CfgExternalCommandVerifier

""" Invoke an external command to verify file contents """

import os
import sys
import shlex
from Bcfg2.Utils import Executor
from Bcfg2.Server.Plugin import PluginExecutionError
from Bcfg2.Server.Plugins.Cfg import CfgVerifier, CfgVerificationError

[docs]class CfgExternalCommandVerifier(CfgVerifier): """ Invoke an external script to verify :ref:`server-plugins-generators-cfg` file contents """ #: Handle :file:`:test` files __basenames__ = [':test'] def __init__(self, name, specific): CfgVerifier.__init__(self, name, specific) self.cmd = [] self.exc = Executor(timeout=30) __init__.__doc__ = CfgVerifier.__init__.__doc__
[docs] def verify_entry(self, entry, metadata, data): try: result =, inputdata=data) if not result.success: raise CfgVerificationError(result.error) except OSError: raise CfgVerificationError(sys.exc_info()[1])
verify_entry.__doc__ = CfgVerifier.verify_entry.__doc__
[docs] def handle_event(self, event): CfgVerifier.handle_event(self, event) if not return self.cmd = [] if not os.access(, os.X_OK): bangpath =[0].strip() if bangpath.startswith("#!"): self.cmd.extend(shlex.split(bangpath[2:].strip())) else: raise PluginExecutionError("Cannot execute %s" % self.cmd.append(
handle_event.__doc__ = CfgVerifier.handle_event.__doc__