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"""
Validates rendered kickstart files.
Copyright 2007-2009, Red Hat, Inc and Others
Michael DeHaan <michael.dehaan AT gmail>
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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
"""
import os
import re
from utils import _
import utils
import kickgen
import clogger
class Validate:
def __init__(self,config,logger=None):
"""
Constructor
"""
self.config = config
self.settings = config.settings()
self.kickgen = kickgen.KickGen(config)
if logger is None:
logger = clogger.Logger()
self.logger = logger
def run(self):
"""
Returns None if there are no errors, otherwise returns a list
of things to correct prior to running application 'for real'.
(The CLI usage is "cobbler check" before "cobbler sync")
"""
if not os.path.exists("/usr/bin/ksvalidator"):
utils.die(self.logger,"ksvalidator not installed, please install pykickstart")
failed = False
for x in self.config.profiles():
(result, errors) = self.checkfile(x, True)
if not result:
failed = True
if len(errors) > 0:
self.log_errors(errors)
for x in self.config.systems():
(result, errors) = self.checkfile(x, False)
if not result:
failed = True
if len(errors) > 0:
self.log_errors(errors)
if failed:
self.logger.warning("*** potential errors detected in kickstarts ***")
else:
self.logger.info("*** all kickstarts seem to be ok ***")
return failed
def checkfile(self,obj,is_profile):
last_errors = []
blended = utils.blender(self.config.api, False, obj)
os_version = blended["os_version"]
self.logger.info("----------------------------")
ks = blended["kickstart"]
if ks is None or ks == "":
self.logger.info("%s has no kickstart, skipping" % obj.name)
return [True, last_errors]
breed = blended["breed"]
if breed != "redhat":
self.logger.info("%s has a breed of %s, skipping" % (obj.name, breed))
return [True, last_errors]
server = blended["server"]
if not ks.startswith("/"):
url = self.kickstart
else:
if is_profile:
url = "http://%s/cblr/svc/op/ks/profile/%s" % (server,obj.name)
self.kickgen.generate_kickstart_for_profile(obj.name)
else:
url = "http://%s/cblr/svc/op/ks/system/%s" % (server,obj.name)
self.kickgen.generate_kickstart_for_system(obj.name)
last_errors = self.kickgen.get_last_errors()
self.logger.info("checking url: %s" % url)
rc = utils.subprocess_call(self.logger,"/usr/bin/ksvalidator \"%s\"" % url, shell=True)
if rc != 0:
return [False, last_errors]
return [True, last_errors]
def log_errors(self, errors):
self.logger.warning("Potential templating errors:")
for error in errors:
(line,col) = error["lineCol"]
line -= 1 # we add some lines to the template data, so numbering is off
self.logger.warning("Unknown variable found at line %d, column %d: '%s'" % (line,col,error["rawCode"]))
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