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################################################################# |
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# MET v2 Metadate Explorer Tool |
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# |
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# This Software is Open Source. See License: https://github.com/TERENA/met/blob/master/LICENSE.md |
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# Copyright (c) 2012, TERENA All rights reserved. |
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# |
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# This Software is based on MET v1 developed for TERENA by Yaco Sistemas, http://www.yaco.es/ |
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# MET v2 was developed for TERENA by Tamim Ziai, DAASI International GmbH, http://www.daasi.de |
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# Current version of MET has been revised for performance improvements by Andrea Biancini, |
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# Consortium GARR, http://www.garr.it |
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######################################################################################### |
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import sys, os |
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import logging |
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import logging.config |
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from optparse import OptionParser |
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os.environ['PYTHON_EGG_CACHE'] = '/tmp/.python-eggs/' |
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current_directory = os.path.join(os.path.dirname(__file__), '..') |
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activate_this = os.path.join(current_directory, '..', 'met-venv/bin/activate_this.py') |
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execfile(activate_this, dict(__file__=activate_this)) |
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sys.path.append(current_directory) |
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sys.path.append(os.path.join(current_directory, 'met')) |
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os.environ['DJANGO_SETTINGS_MODULE'] = 'met.settings' |
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import django |
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from met.metadataparser.refresh_metadata import refresh |
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django.setup() |
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class SingleRun(object): |
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class InstanceRunningException(Exception): |
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pass |
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def __init__(self, lock_file): |
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#define the lock file name |
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self.lock_file = "/tmp/%s.pid" % lock_file |
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def __call__(self, func): |
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def fnc(*args, **kwargs): |
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if os.path.exists(self.lock_file): |
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#get process id, if lock file exists |
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pid = open(self.lock_file, "rt").read() |
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if not os.path.exists("/proc/%s" % pid): |
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#if process is not alive remove the lock file |
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os.unlink(self.lock_file) |
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else: |
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#process is running |
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raise self.InstanceRunningException(pid) |
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try: |
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#store process id |
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open(self.lock_file, "wt").write(str(os.getpid())) |
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#execute wrapped function |
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func(*args,**kwargs) |
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finally: |
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if os.path.exists(self.lock_file): |
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os.unlink(self.lock_file) |
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return fnc |
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class RefreshMetaData(object): |
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@classmethod |
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def process(cls, options): |
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fed_name = options.fed_name |
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force_refresh = options.force_refresh |
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logger = None |
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if options.log: |
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logging.config.fileConfig(options.log) |
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logger = logging.getLogger("Refresh") |
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try: |
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refresh(fed_name, force_refresh, logger) |
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except Exception as e: |
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if logger: |
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logger.error("%s" % e) |
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@SingleRun(lock_file="met-metadatarefresh") |
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def commandline_call(convert_class=RefreshMetaData): |
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opt_parser = OptionParser() |
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opt_parser.set_usage("refresh [--federation <fed_name>] [--log <file>] [--force-refresh]") |
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opt_parser.add_option( |
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"-l", |
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"--log", |
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type="string", |
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dest="log", |
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help="The logger configuration file", |
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default=None, |
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metavar="LOG") |
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opt_parser.add_option( |
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"-f", |
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"--federation", |
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type="string", |
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dest="fed_name", |
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help="The federation to be updated (None for anyone)", |
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default=None, |
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metavar="FED") |
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opt_parser.add_option( |
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"-r", |
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"--force-refresh", |
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action="store_true", |
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dest="force_refresh", |
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help="Force refresh of metadata information (even if file has not changed)", |
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metavar="REF") |
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(options, _) = opt_parser.parse_args() |
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error_message = "" |
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if options.log and not os.path.exists(options.log): |
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error_message = "File '%s' does not exist." % options.log |
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if error_message: |
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print(error_message) |
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print(opt_parser.get_usage()) |
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exit (1) |
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obj_convert = convert_class() |
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obj_convert.process(options) |
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if __name__ == '__main__': |
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log_args = {'level': logging.ERROR} |
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logging.basicConfig(**log_args) |
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commandline_call() |
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|
GEANT /
met
