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# vim: set fileencoding=utf-8 :
#
# (C) 2011 Guido Guenther <agx@sigxcpu.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import subprocess
class CheckFailed(Exception):
def __init__(self, error, path, details=None):
self.args = (error, path, details)
def puppet_checker(path):
"""Check syntax of puppet manifests"""
cmd = ['puppet', 'parser', 'validate', '--color=false', '--noop', '--vardir=/tmp', '--confdir=/tmp', path]
popen = subprocess.Popen(cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
output = popen.communicate()
if popen.returncode:
# Using '--ignoreimport is broken as of puppet 2.6.X:
# https://projects.puppetlabs.com/issues/5081
# so we check the error message to ignore import errors:
if not 'found for import of' in output[0]:
verbose = "\n".join(output).strip()
raise CheckFailed("You can verify the error using '%s'" % " ".join(cmd), path, verbose)
def ruby_checker(path):
"""Simple ruby syntax checker"""
cmd = ['ruby', '-c', path]
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
popen.communicate()
if popen.returncode:
raise CheckFailed("You can verify the error using '%s'" % " ".join(cmd), path)
def template_checker(path):
"""Check syntax of erb templates"""
cmd_str = "erb -P -x -T '-' %s | ruby -c "
cmd = [ cmd_str % path]
popen = subprocess.Popen(cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True)
popen.communicate()
if popen.returncode:
raise CheckFailed("You can verify the error using '%s'" % cmd[0], path)
_file_checkers = { 'pp': puppet_checker,
'rb': ruby_checker,
'erb': template_checker,
}
def check(path):
try:
extension = path.rsplit('.',1)[-1]
except IndexError:
pass # ignore files without extension
try:
_file_checkers[extension](path)
except KeyError:
pass # ignore unknown extensions
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