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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-07-12 06:55
schemas	[ DIR ]	drwxr-xr-x	2026-07-12 06:55
__init__.py	14 B	-rw-r--r--	2022-11-23 21:17
cc_ansible.py	8.38 KB	-rw-r--r--	2022-11-23 21:17
cc_apk_configure.py	5.75 KB	-rw-r--r--	2022-11-23 21:17
cc_apt_configure.py	33.06 KB	-rw-r--r--	2026-06-01 19:13
cc_apt_pipelining.py	2.82 KB	-rw-r--r--	2022-11-23 21:17
cc_bootcmd.py	2.87 KB	-rw-r--r--	2022-11-23 21:17
cc_byobu.py	3.67 KB	-rw-r--r--	2022-11-23 21:17
cc_ca_certs.py	7.54 KB	-rw-r--r--	2022-11-23 21:17
cc_chef.py	13.79 KB	-rw-r--r--	2022-11-23 21:17
cc_disable_ec2_metadata.py	2.04 KB	-rw-r--r--	2022-11-23 21:17
cc_disk_setup.py	32.76 KB	-rw-r--r--	2022-11-23 21:17
cc_fan.py	3.11 KB	-rw-r--r--	2022-11-23 21:17
cc_final_message.py	3.41 KB	-rw-r--r--	2022-11-23 21:17
cc_growpart.py	19.42 KB	-rw-r--r--	2022-11-23 21:17
cc_grub_dpkg.py	5.49 KB	-rw-r--r--	2022-11-23 21:17
cc_install_hotplug.py	3.81 KB	-rw-r--r--	2022-11-23 21:17
cc_keyboard.py	2.08 KB	-rw-r--r--	2022-11-23 21:17
cc_keys_to_console.py	3.63 KB	-rw-r--r--	2022-11-23 21:17
cc_landscape.py	4.86 KB	-rw-r--r--	2022-11-23 21:17
cc_locale.py	1.88 KB	-rw-r--r--	2022-11-23 21:17
cc_lxd.py	17.96 KB	-rw-r--r--	2022-11-23 21:17
cc_mcollective.py	6.2 KB	-rw-r--r--	2022-11-23 21:17
cc_migrator.py	3.51 KB	-rw-r--r--	2022-11-23 21:17
cc_mounts.py	19.03 KB	-rw-r--r--	2022-11-23 21:17
cc_ntp.py	19.32 KB	-rw-r--r--	2022-11-23 21:17
cc_package_update_upgrade_install.py	4.42 KB	-rw-r--r--	2022-11-23 21:17
cc_phone_home.py	5.5 KB	-rw-r--r--	2022-11-23 21:17
cc_power_state_change.py	7.65 KB	-rw-r--r--	2022-11-23 21:17
cc_puppet.py	13.13 KB	-rw-r--r--	2022-11-23 21:17
cc_refresh_rmc_and_interface.py	5.48 KB	-rw-r--r--	2022-11-23 21:17
cc_reset_rmc.py	4.53 KB	-rw-r--r--	2022-11-23 21:17
cc_resizefs.py	10.07 KB	-rw-r--r--	2022-11-23 21:17
cc_resolv_conf.py	4.77 KB	-rw-r--r--	2022-11-23 21:17
cc_rh_subscription.py	17.05 KB	-rw-r--r--	2022-11-23 21:17
cc_rightscale_userdata.py	4.3 KB	-rw-r--r--	2022-11-23 21:17
cc_rsyslog.py	9.77 KB	-rw-r--r--	2022-11-23 21:17
cc_runcmd.py	2.92 KB	-rw-r--r--	2022-11-23 21:17
cc_salt_minion.py	5.54 KB	-rw-r--r--	2022-11-23 21:17
cc_scripts_per_boot.py	1.68 KB	-rw-r--r--	2022-11-23 21:17
cc_scripts_per_instance.py	1.83 KB	-rw-r--r--	2022-11-23 21:17
cc_scripts_per_once.py	1.78 KB	-rw-r--r--	2022-11-23 21:17
cc_scripts_user.py	1.87 KB	-rw-r--r--	2022-11-23 21:17
cc_scripts_vendor.py	2.31 KB	-rw-r--r--	2022-11-23 21:17
cc_seed_random.py	4.81 KB	-rw-r--r--	2022-11-23 21:17
cc_set_hostname.py	4.86 KB	-rw-r--r--	2022-11-23 21:17
cc_set_passwords.py	11.78 KB	-rw-r--r--	2022-11-23 21:17
cc_snap.py	6.39 KB	-rw-r--r--	2022-11-23 21:17
cc_spacewalk.py	3.52 KB	-rw-r--r--	2022-11-23 21:17
cc_ssh.py	13.98 KB	-rw-r--r--	2022-11-23 21:17
cc_ssh_authkey_fingerprints.py	4.24 KB	-rw-r--r--	2022-11-23 21:17
cc_ssh_import_id.py	5.82 KB	-rw-r--r--	2022-11-23 21:17
cc_timezone.py	1.44 KB	-rw-r--r--	2022-11-23 21:17
cc_ubuntu_advantage.py	16.88 KB	-rw-r--r--	2022-11-23 21:17
cc_ubuntu_autoinstall.py	4.56 KB	-rw-r--r--	2022-11-23 21:17
cc_ubuntu_drivers.py	4.63 KB	-rw-r--r--	2022-11-23 21:17
cc_update_etc_hosts.py	5.11 KB	-rw-r--r--	2022-11-23 21:17
cc_update_hostname.py	3.63 KB	-rw-r--r--	2022-11-23 21:17
cc_users_groups.py	7.6 KB	-rw-r--r--	2022-11-23 21:17
cc_wireguard.py	9.28 KB	-rw-r--r--	2022-11-23 21:17
cc_write_files.py	6.65 KB	-rw-r--r--	2022-11-23 21:17
cc_write_files_deferred.py	1.68 KB	-rw-r--r--	2022-11-23 21:17
cc_yum_add_repo.py	7.44 KB	-rw-r--r--	2022-11-23 21:17
cc_zypper_add_repo.py	6.49 KB	-rw-r--r--	2022-11-23 21:17
modules.py	11.43 KB	-rw-r--r--	2022-11-23 21:17
schema.py	40.29 KB	-rw-r--r--	2022-11-23 21:17

Rename

# Copyright (C) 2011 Canonical Ltd.
#
# Author: Ben Howard <ben.howard@canonical.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

"""Apt Pipelining: configure apt pipelining."""

from logging import Logger
from textwrap import dedent

from cloudinit import 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_INSTANCE

frequency = PER_INSTANCE
distros = ["ubuntu", "debian"]
DEFAULT_FILE = "/etc/apt/apt.conf.d/90cloud-init-pipelining"
APT_PIPE_TPL = (
    "//Written by cloud-init per 'apt_pipelining'\n"
    'Acquire::http::Pipeline-Depth "%s";\n'
)
# Acquire::http::Pipeline-Depth can be a value
# from 0 to 5 indicating how many outstanding requests APT should send.
# A value of zero MUST be specified if the remote host does not properly linger
# on TCP connections - otherwise data corruption will occur.

meta: MetaSchema = {
    "id": "cc_apt_pipelining",
    "name": "Apt Pipelining",
    "title": "Configure apt pipelining",
    "description": dedent(
        """\
        This module configures apt's ``Acquite::http::Pipeline-Depth`` option,
        which controls how apt handles HTTP pipelining. It may be useful for
        pipelining to be disabled, because some web servers, such as S3 do not
        pipeline properly (LP: #948461).

Value configuration options for this module are:

* ``false`` (Default): disable pipelining altogether
        * ``none``, ``unchanged``, or ``os``: use distro default
        * ``<number>``: Manually specify pipeline depth. This is not recommended."""  # noqa: E501
    ),
    "distros": distros,
    "frequency": frequency,
    "examples": [
        "apt_pipelining: false",
        "apt_pipelining: none",
        "apt_pipelining: unchanged",
        "apt_pipelining: os",
        "apt_pipelining: 3",
    ],
    "activate_by_schema_keys": ["apt_pipelining"],
}

__doc__ = get_meta_doc(meta)

def handle(
    name: str, cfg: Config, cloud: Cloud, log: Logger, args: list
) -> None:
    apt_pipe_value = cfg.get("apt_pipelining", "os")
    apt_pipe_value_s = str(apt_pipe_value).lower().strip()

if apt_pipe_value_s == "false":
        write_apt_snippet("0", log, DEFAULT_FILE)
    elif apt_pipe_value_s in ("none", "unchanged", "os"):
        return
    elif apt_pipe_value_s in [str(b) for b in range(0, 6)]:
        write_apt_snippet(apt_pipe_value_s, log, DEFAULT_FILE)
    else:
        log.warning("Invalid option for apt_pipelining: %s", apt_pipe_value)

def write_apt_snippet(setting, log, f_name):
    """Writes f_name with apt pipeline depth 'setting'."""

file_contents = APT_PIPE_TPL % (setting)
    util.write_file(f_name, file_contents)
    log.debug("Wrote %s with apt pipeline depth setting %s", f_name, setting)

# vi: ts=4 expandtab