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# Copyright (C) 2009-2011 Canonical Ltd.
# Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
# Author: Chad Smith <chad.smith@canonical.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

"""Bootcmd: run arbitrary commands early in the boot process."""

import os
from logging import Logger
from textwrap import dedent

from cloudinit import subp, temp_utils, util
from cloudinit.cloud import Cloud
from cloudinit.config import Config
from cloudinit.config.schema import MetaSchema, get_meta_doc
from cloudinit.settings import PER_ALWAYS

frequency = PER_ALWAYS

distros = ["all"]

meta: MetaSchema = {
    "id": "cc_bootcmd",
    "name": "Bootcmd",
    "title": "Run arbitrary commands early in the boot process",
    "description": dedent(
        """\
        This module runs arbitrary commands very early in the boot process,
        only slightly after a boothook would run. This is very similar to a
        boothook, but more user friendly. The environment variable
        ``INSTANCE_ID`` will be set to the current instance id for all run
        commands. Commands can be specified either as lists or strings. For
        invocation details, see ``runcmd``.

        .. note::
            bootcmd should only be used for things that could not be done later
            in the boot process.

        .. note::

          when writing files, do not use /tmp dir as it races with
          systemd-tmpfiles-clean LP: #1707222. Use /run/somedir instead.
    """
    ),
    "distros": distros,
    "examples": [
        dedent(
            """\
        bootcmd:
            - echo 192.168.1.130 us.archive.ubuntu.com > /etc/hosts
            - [ cloud-init-per, once, mymkfs, mkfs, /dev/vdb ]
    """
        )
    ],
    "frequency": PER_ALWAYS,
    "activate_by_schema_keys": ["bootcmd"],
}

__doc__ = get_meta_doc(meta)


def handle(
    name: str, cfg: Config, cloud: Cloud, log: Logger, args: list
) -> None:

    if "bootcmd" not in cfg:
        log.debug(
            "Skipping module named %s, no 'bootcmd' key in configuration", name
        )
        return

    with temp_utils.ExtendedTemporaryFile(suffix=".sh") as tmpf:
        try:
            content = util.shellify(cfg["bootcmd"])
            tmpf.write(util.encode_text(content))
            tmpf.flush()
        except Exception as e:
            util.logexc(log, "Failed to shellify bootcmd: %s", str(e))
            raise

        try:
            env = os.environ.copy()
            iid = cloud.get_instance_id()
            if iid:
                env["INSTANCE_ID"] = str(iid)
            cmd = ["/bin/sh", tmpf.name]
            subp.subp(cmd, env=env, capture=False)
        except Exception:
            util.logexc(log, "Failed to run bootcmd module %s", name)
            raise


# vi: ts=4 expandtab

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
schemas Folder 0755
__init__.py File 14 B 0644
cc_ansible.py File 8.37 KB 0644
cc_apk_configure.py File 5.75 KB 0644
cc_apt_configure.py File 32.46 KB 0644
cc_apt_pipelining.py File 2.82 KB 0644
cc_bootcmd.py File 2.87 KB 0644
cc_byobu.py File 3.67 KB 0644
cc_ca_certs.py File 8.06 KB 0644
cc_chef.py File 13.79 KB 0644
cc_disable_ec2_metadata.py File 2.04 KB 0644
cc_disk_setup.py File 32.34 KB 0644
cc_fan.py File 3.11 KB 0644
cc_final_message.py File 3.41 KB 0644
cc_growpart.py File 19.42 KB 0644
cc_grub_dpkg.py File 5.49 KB 0644
cc_install_hotplug.py File 3.81 KB 0644
cc_keyboard.py File 2.08 KB 0644
cc_keys_to_console.py File 3.63 KB 0644
cc_landscape.py File 4.86 KB 0644
cc_locale.py File 1.88 KB 0644
cc_lxd.py File 17.96 KB 0644
cc_mcollective.py File 6.2 KB 0644
cc_migrator.py File 3.51 KB 0644
cc_mounts.py File 19.03 KB 0644
cc_ntp.py File 19.7 KB 0644
cc_package_update_upgrade_install.py File 4.42 KB 0644
cc_phone_home.py File 5.5 KB 0644
cc_power_state_change.py File 7.65 KB 0644
cc_puppet.py File 13.74 KB 0644
cc_refresh_rmc_and_interface.py File 5.48 KB 0644
cc_reset_rmc.py File 4.53 KB 0644
cc_resizefs.py File 10.56 KB 0644
cc_resolv_conf.py File 5.01 KB 0644
cc_rh_subscription.py File 17.05 KB 0644
cc_rightscale_userdata.py File 4.3 KB 0644
cc_rsyslog.py File 9.77 KB 0644
cc_runcmd.py File 2.92 KB 0644
cc_salt_minion.py File 5.54 KB 0644
cc_scripts_per_boot.py File 1.68 KB 0644
cc_scripts_per_instance.py File 1.83 KB 0644
cc_scripts_per_once.py File 1.78 KB 0644
cc_scripts_user.py File 1.87 KB 0644
cc_scripts_vendor.py File 2.31 KB 0644
cc_seed_random.py File 4.81 KB 0644
cc_set_hostname.py File 4.89 KB 0644
cc_set_passwords.py File 11.05 KB 0644
cc_snap.py File 6.39 KB 0644
cc_spacewalk.py File 3.52 KB 0644
cc_ssh.py File 14.03 KB 0644
cc_ssh_authkey_fingerprints.py File 4.24 KB 0644
cc_ssh_import_id.py File 5.82 KB 0644
cc_timezone.py File 1.44 KB 0644
cc_ubuntu_advantage.py File 16.88 KB 0644
cc_ubuntu_autoinstall.py File 4.56 KB 0644
cc_ubuntu_drivers.py File 4.63 KB 0644
cc_update_etc_hosts.py File 5.11 KB 0644
cc_update_hostname.py File 3.63 KB 0644
cc_users_groups.py File 7.6 KB 0644
cc_wireguard.py File 9.28 KB 0644
cc_write_files.py File 6.75 KB 0644
cc_write_files_deferred.py File 1.68 KB 0644
cc_yum_add_repo.py File 7.47 KB 0644
cc_zypper_add_repo.py File 6.68 KB 0644
modules.py File 11.43 KB 0644
schema.py File 43.14 KB 0644