Gestionnaire de fichiers - Editer - /usr/lib/python2.7/site-packages/cloudinit/config/cc_disable_ec2_metadata.py
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# Copyright (C) 2009-2010 Canonical Ltd. # Copyright (C) 2012 Hewlett-Packard Development Company, L.P. # # Author: Scott Moser <scott.moser@canonical.com> # Author: Juerg Haefliger <juerg.haefliger@hp.com> # # This file is part of cloud-init. See LICENSE file for license information. """ Disable EC2 Metadata -------------------- **Summary:** disable aws ec2 metadata This module can disable the ec2 datasource by rejecting the route to ``169.254.169.254``, the usual route to the datasource. This module is disabled by default. **Internal name:** ``cc_disable_ec2_metadata`` **Module frequency:** per always **Supported distros:** all **Config keys**:: disable_ec2_metadata: <true/false> """ from cloudinit import util from cloudinit.settings import PER_ALWAYS frequency = PER_ALWAYS REJECT_CMD_IF = ['route', 'add', '-host', '169.254.169.254', 'reject'] REJECT_CMD_IP = ['ip', 'route', 'add', 'prohibit', '169.254.169.254'] def handle(name, cfg, _cloud, log, _args): disabled = util.get_cfg_option_bool(cfg, "disable_ec2_metadata", False) if disabled: reject_cmd = None if util.which('ip'): reject_cmd = REJECT_CMD_IP elif util.which('ifconfig'): reject_cmd = REJECT_CMD_IF else: log.error(('Neither "route" nor "ip" command found, unable to ' 'manipulate routing table')) return util.subp(reject_cmd, capture=False) else: log.debug(("Skipping module named %s," " disabling the ec2 route not enabled"), name) # vi: ts=4 expandtab
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