Current Dir: /snap/core22/2955/usr/lib/python3/dist-packages/cloudinit/config/

[DIR]  schemas [ delete | rename ]
[DIR]  __pycache__ [ delete | rename ]
[FILE] cc_ansible.py [ edit | delete | rename ]
[FILE] cc_apk_configure.py [ edit | delete | rename ]
[FILE] cc_apt_configure.py [ edit | delete | rename ]
[FILE] cc_apt_pipelining.py [ edit | delete | rename ]
[FILE] cc_bootcmd.py [ edit | delete | rename ]
[FILE] cc_byobu.py [ edit | delete | rename ]
[FILE] cc_ca_certs.py [ edit | delete | rename ]
[FILE] cc_chef.py [ edit | delete | rename ]
[FILE] cc_disable_ec2_metadata.py [ edit | delete | rename ]
[FILE] cc_disk_setup.py [ edit | delete | rename ]
[FILE] cc_fan.py [ edit | delete | rename ]
[FILE] cc_final_message.py [ edit | delete | rename ]
[FILE] cc_growpart.py [ edit | delete | rename ]
[FILE] cc_grub_dpkg.py [ edit | delete | rename ]
[FILE] cc_install_hotplug.py [ edit | delete | rename ]
[FILE] cc_keyboard.py [ edit | delete | rename ]
[FILE] cc_keys_to_console.py [ edit | delete | rename ]
[FILE] cc_landscape.py [ edit | delete | rename ]
[FILE] cc_locale.py [ edit | delete | rename ]
[FILE] cc_lxd.py [ edit | delete | rename ]
[FILE] cc_mcollective.py [ edit | delete | rename ]
[FILE] cc_mounts.py [ edit | delete | rename ]
[FILE] cc_ntp.py [ edit | delete | rename ]
[FILE] cc_package_update_upgrade_install.py [ edit | delete | rename ]
[FILE] cc_phone_home.py [ edit | delete | rename ]
[FILE] cc_power_state_change.py [ edit | delete | rename ]
[FILE] cc_puppet.py [ edit | delete | rename ]
[FILE] cc_raspberry_pi.py [ edit | delete | rename ]
[FILE] cc_reset_rmc.py [ edit | delete | rename ]
[FILE] cc_resizefs.py [ edit | delete | rename ]
[FILE] cc_resolv_conf.py [ edit | delete | rename ]
[FILE] cc_rh_subscription.py [ edit | delete | rename ]
[FILE] cc_rsyslog.py [ edit | delete | rename ]
[FILE] cc_runcmd.py [ edit | delete | rename ]
[FILE] cc_salt_minion.py [ edit | delete | rename ]
[FILE] cc_scripts_per_boot.py [ edit | delete | rename ]
[FILE] cc_scripts_per_instance.py [ edit | delete | rename ]
[FILE] cc_scripts_per_once.py [ edit | delete | rename ]
[FILE] cc_scripts_user.py [ edit | delete | rename ]
[FILE] cc_scripts_vendor.py [ edit | delete | rename ]
[FILE] cc_seed_random.py [ edit | delete | rename ]
[FILE] cc_set_hostname.py [ edit | delete | rename ]
[FILE] cc_set_passwords.py [ edit | delete | rename ]
[FILE] cc_snap.py [ edit | delete | rename ]
[FILE] cc_spacewalk.py [ edit | delete | rename ]
[FILE] cc_ssh.py [ edit | delete | rename ]
[FILE] cc_ssh_authkey_fingerprints.py [ edit | delete | rename ]
[FILE] cc_ssh_import_id.py [ edit | delete | rename ]
[FILE] cc_timezone.py [ edit | delete | rename ]
[FILE] cc_ubuntu_autoinstall.py [ edit | delete | rename ]
[FILE] cc_ubuntu_drivers.py [ edit | delete | rename ]
[FILE] cc_ubuntu_pro.py [ edit | delete | rename ]
[FILE] cc_update_etc_hosts.py [ edit | delete | rename ]
[FILE] cc_update_hostname.py [ edit | delete | rename ]
[FILE] cc_users_groups.py [ edit | delete | rename ]
[FILE] cc_wireguard.py [ edit | delete | rename ]
[FILE] cc_write_files.py [ edit | delete | rename ]
[FILE] cc_write_files_deferred.py [ edit | delete | rename ]
[FILE] cc_yum_add_repo.py [ edit | delete | rename ]
[FILE] cc_zypper_add_repo.py [ edit | delete | rename ]
[FILE] modules.py [ edit | delete | rename ]
[FILE] schema.py [ edit | delete | rename ]
[FILE] __init__.py [ edit | delete | rename ]

Viewing: /snap/core22/2955/usr/lib/python3/dist-packages/cloudinit/config/cc_disable_ec2_metadata.py

# 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: Disable AWS EC2 metadata."""

import logging

from cloudinit import subp, util
from cloudinit.cloud import Cloud
from cloudinit.config import Config
from cloudinit.config.schema import MetaSchema
from cloudinit.distros import ALL_DISTROS
from cloudinit.settings import PER_ALWAYS

REJECT_CMD_IF = ["route", "add", "-host", "169.254.169.254", "reject"]
REJECT_CMD_IP = ["ip", "route", "add", "prohibit", "169.254.169.254"]

LOG = logging.getLogger(__name__)

meta: MetaSchema = {
    "id": "cc_disable_ec2_metadata",
    "distros": [ALL_DISTROS],
    "frequency": PER_ALWAYS,
    "activate_by_schema_keys": ["disable_ec2_metadata"],
}


def handle(name: str, cfg: Config, cloud: Cloud, args: list) -> None:
    disabled = util.get_cfg_option_bool(cfg, "disable_ec2_metadata", False)
    if disabled:
        reject_cmd = None
        if subp.which("ip"):
            reject_cmd = REJECT_CMD_IP
        elif subp.which("ifconfig"):
            reject_cmd = REJECT_CMD_IF
        else:
            LOG.error(
                'Neither "route" nor "ip" command found, unable to '
                "manipulate routing table"
            )
            return
        subp.subp(reject_cmd, capture=False)
    else:
        LOG.debug(
            "Skipping module named %s, disabling the ec2 route not enabled",
            name,
        )


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