sampledoc

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

import os
import sys
import shlex
from Bcfg2.Server.Plugin import PluginExecutionError
from subprocess import Popen, PIPE
from Bcfg2.Server.Plugins.Cfg import CfgVerifier, CfgVerificationError


class CfgExternalCommandVerifier(CfgVerifier):
    """ Invoke an external script to verify
[docs] :ref:`server-plugins-generators-cfg` file contents """ #: Handle :file:`:test` files __basenames__ = [':test'] def __init__(self, name, specific, encoding): CfgVerifier.__init__(self, name, specific, encoding) self.cmd = [] __init__.__doc__ = CfgVerifier.__init__.__doc__ def verify_entry(self, entry, metadata, data): try:
[docs] proc = Popen(self.cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE) out, err = proc.communicate(input=data) rv = proc.wait() if rv != 0: # pylint: disable=E1103 raise CfgVerificationError(err.strip() or out.strip() or "Non-zero return value %s" % rv) # pylint: enable=E1103 except CfgVerificationError: raise except: err = sys.exc_info()[1] raise CfgVerificationError("Error running external command " "verifier: %s" % err) verify_entry.__doc__ = CfgVerifier.verify_entry.__doc__
def handle_event(self, event): CfgVerifier.handle_event(self, event)
[docs] if not self.data: return self.cmd = [] if not os.access(self.name, os.X_OK): bangpath = self.data.splitlines()[0].strip() if bangpath.startswith("#!"): self.cmd.extend(shlex.split(bangpath[2:].strip())) else: raise PluginExecutionError("Cannot execute %s" % self.name) self.cmd.append(self.name) handle_event.__doc__ = CfgVerifier.handle_event.__doc__