/usr/sbin/bcfg2-repo-validate is in bcfg2-server 1.2.2-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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"""This tool examines your Bcfg2 specifications for errors."""
__revision__ = '$Revision$'
import sys
import inspect
import logging
import Bcfg2.Logger
import Bcfg2.Options
import Bcfg2.Server.Core
import Bcfg2.Server.Lint
# Compatibility imports
from Bcfg2.Bcfg2Py3k import ConfigParser
logger = logging.getLogger('bcfg2-lint')
def run_serverless_plugins(plugins, config=None, setup=None, errorhandler=None):
logger.debug("Running serverless plugins")
for plugin_name, plugin in list(plugins.items()):
run_plugin(plugin, plugin_name, errorhandler=errorhandler,
setup=setup, config=config, files=files)
def run_server_plugins(plugins, config=None, setup=None, errorhandler=None):
core = load_server(setup)
logger.debug("Running server plugins")
for plugin_name, plugin in list(plugins.items()):
run_plugin(plugin, plugin_name, args=[core], errorhandler=errorhandler,
setup=setup, config=config, files=files)
def run_plugin(plugin, plugin_name, setup=None, errorhandler=None,
args=None, config=None, files=None):
logger.debug(" Running %s" % plugin_name)
if args is None:
args = []
if errorhandler is None:
errorhandler = get_errorhandler(config)
if config is not None and config.has_section(plugin_name):
arg = setup
for key, val in config.items(plugin_name):
arg[key] = val
args.append(arg)
else:
args.append(setup)
# older versions of python do not support mixing *-magic and
# non-*-magic (e.g., "plugin(*args, files=files)", so we do this
# all with *-magic
kwargs = dict(files=files, errorhandler=errorhandler)
return plugin(*args, **kwargs).Run()
def get_errorhandler(config):
""" get a Bcfg2.Server.Lint.ErrorHandler object """
if config.has_section("errors"):
conf = dict(config.items("errors"))
else:
conf = None
return Bcfg2.Server.Lint.ErrorHandler(config=conf)
def load_server(setup):
""" load server """
core = Bcfg2.Server.Core.Core(setup['repo'], setup['plugins'],
setup['password'], setup['encoding'])
if setup['event debug']:
core.fam.debug = True
core.fam.handle_events_in_interval(4)
return core
if __name__ == '__main__':
optinfo = {
'configfile': Bcfg2.Options.CFILE,
'help': Bcfg2.Options.HELP,
'verbose': Bcfg2.Options.VERBOSE,
}
optinfo.update({
'event debug': Bcfg2.Options.DEBUG,
'encoding': Bcfg2.Options.ENCODING,
# Server options
'repo': Bcfg2.Options.SERVER_REPOSITORY,
'plugins': Bcfg2.Options.SERVER_PLUGINS,
'mconnect': Bcfg2.Options.SERVER_MCONNECT,
'filemonitor': Bcfg2.Options.SERVER_FILEMONITOR,
'location': Bcfg2.Options.SERVER_LOCATION,
'static': Bcfg2.Options.SERVER_STATIC,
'key': Bcfg2.Options.SERVER_KEY,
'cert': Bcfg2.Options.SERVER_CERT,
'ca': Bcfg2.Options.SERVER_CA,
'password': Bcfg2.Options.SERVER_PASSWORD,
'protocol': Bcfg2.Options.SERVER_PROTOCOL,
# More options
'logging': Bcfg2.Options.LOGGING_FILE_PATH,
'stdin': Bcfg2.Options.FILES_ON_STDIN,
'schema': Bcfg2.Options.SCHEMA_PATH,
'config': Bcfg2.Options.Option('Specify bcfg2-lint configuration file',
'/etc/bcfg2-lint.conf',
cmd='--lint-config',
odesc='<conffile>',
long_arg=True),
'showerrors': Bcfg2.Options.Option('Show error handling', False,
cmd='--list-errors',
long_arg=True),
})
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
Bcfg2.Logger.setup_logging('bcfg2-info', **log_args)
config = ConfigParser.SafeConfigParser()
config.read(setup['configfile'])
config.read(setup['config'])
if setup['showerrors']:
if config.has_section("errors"):
econf = dict(config.items("errors"))
else:
econf = dict()
print("%-35s %-35s" % ("Error name", "Handler (Default)"))
for err, default in Bcfg2.Server.Lint.ErrorHandler._errors.items():
if err in econf and econf[err] != default:
handler = "%s (%s)" % (econf[err], default)
else:
handler = default
print("%-35s %-35s" % (err, handler))
raise SystemExit(0)
# get list of plugins to run
if setup['args']:
allplugins = setup['args']
elif "bcfg2-repo-validate" in sys.argv[0]:
allplugins = 'Duplicates,RequiredAttrs,Validate'.split(',')
else:
try:
allplugins = config.get('lint', 'plugins').split(',')
except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
allplugins = Bcfg2.Server.Lint.__all__
if setup['stdin']:
files = [s.strip() for s in sys.stdin.readlines()]
else:
files = None
# load plugins
serverplugins = {}
serverlessplugins = {}
for plugin_name in allplugins:
try:
mod = getattr(__import__("Bcfg2.Server.Lint.%s" %
(plugin_name)).Server.Lint, plugin_name)
except ImportError:
try:
mod = __import__(plugin_name)
except Exception:
err = sys.exc_info()[1]
logger.error("Failed to load plugin %s: %s" % (plugin_name,
err))
raise SystemExit(1)
plugin = getattr(mod, plugin_name)
if [c for c in inspect.getmro(plugin)
if c == Bcfg2.Server.Lint.ServerPlugin]:
serverplugins[plugin_name] = plugin
else:
serverlessplugins[plugin_name] = plugin
errorhandler = get_errorhandler(config)
run_serverless_plugins(serverlessplugins,
errorhandler=errorhandler,
config=config, setup=setup)
if serverplugins:
if errorhandler.errors:
# it would be swell if we could try to start the server
# even if there were errors with the serverless plugins,
# but since XML parsing errors occur in the FAM thread
# (not in the core server thread), there's no way we can
# start the server and try to catch exceptions --
# bcfg2-lint isn't in the same stack as the exceptions.
# so we're forced to assume that a serverless plugin error
# will prevent the server from starting
print("Serverless plugins encountered errors, skipping server "
"plugins")
else:
run_server_plugins(serverplugins, errorhandler=errorhandler,
config=config, setup=setup)
if errorhandler.errors or errorhandler.warnings or setup['verbose']:
print("%d errors" % errorhandler.errors)
print("%d warnings" % errorhandler.warnings)
if errorhandler.errors:
raise SystemExit(2)
elif errorhandler.warnings:
raise SystemExit(3)
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