FM / config

/snap/core20/2769/usr/lib/python3/dist-packages/cloudinit/config/

/snap/core20/2769/usr/lib/python3/dist-packages/cloudinit/config

Name	Size	Mode	Actions
schemas/	-	0755	rm
__pycache__/	-	0755	rm
cc_ansible.py	7927	0644	edit dl rm
cc_apk_configure.py	4331	0644	edit dl rm
cc_apt_configure.py	38993	0644	edit dl rm
cc_apt_pipelining.py	1890	0644	edit dl rm
cc_bootcmd.py	1797	0644	edit dl rm
cc_byobu.py	2791	0644	edit dl rm
cc_ca_certs.py	8877	0644	edit dl rm
cc_chef.py	12479	0644	edit dl rm
cc_disable_ec2_metadata.py	1642	0644	edit dl rm
cc_disk_setup.py	30316	0644	edit dl rm
cc_fan.py	1997	0644	edit dl rm
cc_final_message.py	2571	0644	edit dl rm
cc_growpart.py	18809	0644	edit dl rm
cc_grub_dpkg.py	5524	0644	edit dl rm
cc_install_hotplug.py	3267	0644	edit dl rm
cc_keyboard.py	1527	0644	edit dl rm
cc_keys_to_console.py	2138	0644	edit dl rm
cc_landscape.py	3131	0644	edit dl rm
cc_locale.py	1221	0644	edit dl rm
cc_lxd.py	13761	0644	edit dl rm
cc_mcollective.py	4207	0644	edit dl rm
cc_mounts.py	18598	0644	edit dl rm
cc_ntp.py	19426	0644	edit dl rm
cc_package_update_upgrade_install.py	4088	0644	edit dl rm
cc_phone_home.py	3839	0644	edit dl rm
cc_power_state_change.py	6233	0644	edit dl rm
cc_puppet.py	10976	0644	edit dl rm
cc_reset_rmc.py	4432	0644	edit dl rm
cc_resizefs.py	10890	0644	edit dl rm
cc_resolv_conf.py	3206	0644	edit dl rm
cc_rh_subscription.py	15577	0644	edit dl rm
cc_rsyslog.py	11823	0644	edit dl rm
cc_runcmd.py	1640	0644	edit dl rm
cc_salt_minion.py	4053	0644	edit dl rm
cc_scripts_per_boot.py	1298	0644	edit dl rm
cc_scripts_per_instance.py	1295	0644	edit dl rm
cc_scripts_per_once.py	1271	0644	edit dl rm
cc_scripts_user.py	1282	0644	edit dl rm
cc_scripts_vendor.py	1292	0644	edit dl rm
cc_seed_random.py	3068	0644	edit dl rm
cc_set_hostname.py	3481	0644	edit dl rm
cc_set_passwords.py	9584	0644	edit dl rm
cc_snap.py	3400	0644	edit dl rm
cc_spacewalk.py	2708	0644	edit dl rm
cc_ssh.py	11266	0644	edit dl rm
cc_ssh_authkey_fingerprints.py	3850	0644	edit dl rm
cc_ssh_import_id.py	5562	0644	edit dl rm
cc_timezone.py	1167	0644	edit dl rm
cc_ubuntu_autoinstall.py	3021	0644	edit dl rm
cc_ubuntu_drivers.py	4174	0644	edit dl rm
cc_ubuntu_pro.py	13973	0644	edit dl rm
cc_update_etc_hosts.py	2522	0644	edit dl rm
cc_update_hostname.py	2230	0644	edit dl rm
cc_users_groups.py	2930	0644	edit dl rm
cc_wireguard.py	6825	0644	edit dl rm
cc_write_files.py	6140	0644	edit dl rm
cc_write_files_deferred.py	1308	0644	edit dl rm
cc_yum_add_repo.py	4641	0644	edit dl rm
cc_zypper_add_repo.py	5052	0644	edit dl rm
modules.py	13543	0644	edit dl rm
schema.py	52078	0644	edit dl rm
__init__.py	40	0644	edit dl rm

Edit: /snap/core20/2769/usr/lib/python3/dist-packages/cloudinit/config/cc_rsyslog.py (11823B)

# Copyright (C) 2009-2010 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
# Copyright (C) 2023 FreeBSD Foundation
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
# Author: Mina Galić <FreeBSD@igalic.co>
#
# This file is part of cloud-init. See LICENSE file for license information.

"""Rsyslog: Configure system logging via rsyslog"""

import contextlib
import copy
import logging
import os
import re

from cloudinit import lifecycle, subp, util
from cloudinit.cloud import Cloud
from cloudinit.config import Config
from cloudinit.config.schema import MetaSchema
from cloudinit.distros import ALL_DISTROS, Distro
from cloudinit.log import loggers
from cloudinit.settings import PER_INSTANCE

meta: MetaSchema = {
    "id": "cc_rsyslog",
    "distros": [ALL_DISTROS],
    "frequency": PER_INSTANCE,
    "activate_by_schema_keys": ["rsyslog"],
}

RSYSLOG_CONFIG = {
    "config_dir": "/etc/rsyslog.d",
    "config_filename": "20-cloud-config.conf",
    "service_reload_command": "auto",
    "remotes": {},
    "configs": {},
    "check_exe": "rsyslogd",
    "packages": ["rsyslog"],
    "install_rsyslog": False,
}

DISTRO_OVERRIDES = {
    "freebsd": {
        "config_dir": "/usr/local/etc/rsyslog.d",
        "packages": ["rsyslog"],
    },
    "openbsd": {
        "config_dir": "/usr/local/etc/rsyslog.d",
        "packages": ["sysutils/rsyslog"],
    },
    "netbsd": {
        "config_dir": "/usr/pkg/etc/rsyslog.d",
        "packages": ["sysutils/rsyslog"],
    },
}

LOG = logging.getLogger(__name__)

COMMENT_RE = re.compile(r"[ ]*[#]+[ ]*")
HOST_PORT_RE = re.compile(
    r"^(?P<proto>[@]{0,2})"
    r"(([\[](?P<bracket_addr>[^\]]*)[\]])|(?P<addr>[^:]*))"
    r"([:](?P<port>[0-9]+))?$"
)

def distro_default_rsyslog_config(distro: Distro):
    """Construct a distro-specific rsyslog config dictionary by merging
       distro specific changes into base config.

@param distro: String providing the distro class name.
    @returns: Dict of distro configurations for ntp clients.
    """
    dcfg = DISTRO_OVERRIDES
    cfg = copy.copy(RSYSLOG_CONFIG)
    if distro.osfamily in dcfg:
        cfg = util.mergemanydict([cfg, dcfg[distro.name]], reverse=True)
    return cfg

def install_rsyslog(install_func, packages=None, check_exe="rsyslog"):
    """Install rsyslog package if not already installed.

@param install_func: function.  This parameter is invoked with the contents
    of the packages parameter.
    @param packages: list.  This parameter defaults to ['rsyslog'].
    @param check_exe: string.  The name of a binary that indicates the package
    the specified package is already installed.
    """
    if subp.which(check_exe):
        return
    if packages is None:
        packages = ["rsyslog"]

install_func(packages)

def reload_syslog(distro, command="auto"):
    if command == "auto":
        service = distro.get_option("rsyslog_svcname", "rsyslog")
        return distro.manage_service("try-reload", service)
    return subp.subp(command, capture=True)

def load_config(cfg: dict, distro: Distro) -> dict:
    """Return an updated config.

Support converting the old top level format into new format.
    Raise a `ValueError` if some top level entry has an incorrect type.
    """
    mycfg = cfg.get("rsyslog", {})
    distro_config = distro_default_rsyslog_config(distro)

if isinstance(cfg.get("rsyslog"), list):
        lifecycle.deprecate(
            deprecated="The rsyslog key with value of type 'list'",
            deprecated_version="22.2",
        )
        mycfg = {"configs": cfg.get("rsyslog")}
        if "rsyslog_filename" in cfg:
            mycfg["config_filename"] = cfg["rsyslog_filename"]
        if "rsyslog_dir" in cfg:
            mycfg["config_dir"] = cfg["rsyslog_dir"]

fillup: tuple = (
        ("configs", [], list),
        ("config_dir", distro_config["config_dir"], str),
        ("config_filename", distro_config["config_filename"], str),
        ("remotes", distro_config["remotes"], dict),
        (
            "service_reload_command",
            distro_config["service_reload_command"],
            (str, list),
        ),
        ("check_exe", distro_config["check_exe"], str),
        ("packages", distro_config["packages"], list),
        ("install_rsyslog", distro_config["install_rsyslog"], bool),
    )

for key, default, vtypes in fillup:
        if key not in mycfg:
            mycfg[key] = default
        elif not isinstance(mycfg[key], vtypes):
            raise ValueError(
                f"Invalid type for key `{key}`. Expected type(s): {vtypes}. "
                f"Current type: {type(mycfg[key])}"
            )

return mycfg

def apply_rsyslog_changes(configs, def_fname, cfg_dir):
    # apply the changes in 'configs' to the paths in def_fname and cfg_dir
    # return a list of the files changed
    files = []
    for cur_pos, ent in enumerate(configs):
        if isinstance(ent, dict):
            if "content" not in ent:
                LOG.warning(
                    "No 'content' entry in config entry %s", cur_pos + 1
                )
                continue
            content = ent["content"]
            filename = ent.get("filename", def_fname)
        else:
            content = ent
            filename = def_fname

filename = filename.strip()
        if not filename:
            LOG.warning("Entry %s has an empty filename", cur_pos + 1)
            continue

filename = os.path.join(cfg_dir, filename)

# Truncate filename first time you see it
        omode = "ab"
        if filename not in files:
            omode = "wb"
            files.append(filename)

try:
            endl = ""
            if not content.endswith("\n"):
                endl = "\n"
            util.write_file(filename, content + endl, omode=omode)
        except Exception:
            util.logexc(LOG, "Failed to write to %s", filename)

return files

def parse_remotes_line(line, name=None):
    try:
        data, comment = COMMENT_RE.split(line)
        comment = comment.strip()
    except ValueError:
        data, comment = (line, None)

toks = data.strip().split()
    match = None
    if len(toks) == 1:
        host_port = data
    elif len(toks) == 2:
        match, host_port = toks
    else:
        raise ValueError("line had multiple spaces: %s" % data)

toks = HOST_PORT_RE.match(host_port)

if not toks:
        raise ValueError("Invalid host specification '%s'" % host_port)

proto = toks.group("proto")
    addr = toks.group("addr") or toks.group("bracket_addr")
    port = toks.group("port")

if addr.startswith("[") and not addr.endswith("]"):
        raise ValueError("host spec had invalid brackets: %s" % addr)

if comment and not name:
        name = comment

t = SyslogRemotesLine(
        name=name, match=match, proto=proto, addr=addr, port=port
    )
    t.validate()
    return t

class SyslogRemotesLine:
    def __init__(
        self, name=None, match=None, proto=None, addr=None, port=None
    ):
        if not match:
            match = "*.*"
        self.name = name
        self.match = match
        if not proto:
            proto = "udp"
        if proto == "@":
            proto = "udp"
        elif proto == "@@":
            proto = "tcp"
        self.proto = proto

self.addr = addr
        if port:
            self.port = int(port)
        else:
            self.port = None

def validate(self):
        if self.port:
            try:
                int(self.port)
            except ValueError as e:
                raise ValueError(
                    "port '%s' is not an integer" % self.port
                ) from e

if not self.addr:
            raise ValueError("address is required")

def __repr__(self):
        return "[name=%s match=%s proto=%s address=%s port=%s]" % (
            self.name,
            self.match,
            self.proto,
            self.addr,
            self.port,
        )

def __str__(self):
        buf = self.match + " "
        if self.proto == "udp":
            buf += "@"
        elif self.proto == "tcp":
            buf += "@@"

if ":" in self.addr:
            buf += "[" + self.addr + "]"
        else:
            buf += self.addr

if self.port:
            buf += ":%s" % self.port

if self.name:
            buf += " # %s" % self.name
        return buf

def remotes_to_rsyslog_cfg(remotes, header=None, footer=None):
    if not remotes:
        return None
    lines = []
    if header is not None:
        lines.append(header)
    for name, line in remotes.items():
        if not line:
            continue
        try:
            lines.append(str(parse_remotes_line(line, name=name)))
        except ValueError as e:
            LOG.warning("failed loading remote %s: %s [%s]", name, line, e)
    if footer is not None:
        lines.append(footer)
    return "\n".join(lines) + "\n"

def disable_and_stop_bsd_base_syslog(cloud: Cloud) -> None:
    """
    This helper function bundles the necessary steps to disable BSD base syslog
    ``rc(8)`` reads its configuration on start, so after disabling syslogd, we
    need to tell rc to reload its config
    """
    try:
        cloud.distro.manage_service("enabled", "syslogd")
    except subp.ProcessExecutionError:
        return
    cloud.distro.manage_service("disable", "syslogd")
    cloud.distro.reload_init()

with contextlib.suppress(subp.ProcessExecutionError):
        # for some inexplicable reason we're running after syslogd,
        # try to stop it, ignoring failures, only log the fact that
        # syslog is running, which it shouldn't be.
        cloud.distro.manage_service("onestop", "syslogd")
        LOG.error(
            "syslogd is running before cloud-init! "
            "Please report this as bug to the porters!"
        )

def handle(name: str, cfg: Config, cloud: Cloud, args: list) -> None:
    if "rsyslog" not in cfg:
        LOG.debug(
            "Skipping module named %s, no 'rsyslog' key in configuration", name
        )
        return

mycfg = load_config(cfg, cloud.distro)
    configs = mycfg["configs"]

if mycfg["remotes"]:
        configs.append(
            remotes_to_rsyslog_cfg(
                mycfg["remotes"],
                header="# begin remotes",
                footer="# end remotes",
            )
        )

service = cloud.distro.get_option("rsyslog_svcname", "rsyslog")

if mycfg["install_rsyslog"] is True:
        install_rsyslog(
            cloud.distro.install_packages,
            packages=mycfg["packages"],
            check_exe=mycfg["check_exe"],
        )

if util.is_BSD():
        cloud.distro.manage_service("enable", service)
        disable_and_stop_bsd_base_syslog(cloud)

if not mycfg["configs"]:
        LOG.debug("Empty config rsyslog['configs'], nothing to do")
        return

changes = apply_rsyslog_changes(
        configs=mycfg["configs"],
        def_fname=mycfg["config_filename"],
        cfg_dir=mycfg["config_dir"],
    )

if not changes:
        LOG.debug("restart of syslog not necessary, no changes made")
        return

try:
        restarted = reload_syslog(
            cloud.distro, command=mycfg["service_reload_command"]
        )
    except subp.ProcessExecutionError as e:
        restarted = False
        LOG.warning("Failed to reload syslog %s", str(e))

if restarted:
        # This only needs to run if we *actually* restarted
        # syslog above.
        loggers.reset_logging()
        loggers.setup_logging(cloud.cfg)
        # This should now use rsyslog if
        # the logging was setup to use it...
        LOG.debug("%s configured %s files", name, changes)

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