FM / config

/snap/core18/2999/usr/lib/python3/dist-packages/cloudinit/config/

/snap/core18/2999/usr/lib/python3/dist-packages/cloudinit/config

Name	Size	Mode	Actions
schemas/	-	0755	rm
__pycache__/	-	0755	rm
cc_ansible.py	8568	0644	edit dl rm
cc_apk_configure.py	5883	0644	edit dl rm
cc_apt_configure.py	33237	0644	edit dl rm
cc_apt_pipelining.py	2888	0644	edit dl rm
cc_bootcmd.py	2940	0644	edit dl rm
cc_byobu.py	3757	0644	edit dl rm
cc_ca_certs.py	8251	0644	edit dl rm
cc_chef.py	14118	0644	edit dl rm
cc_disable_ec2_metadata.py	2093	0644	edit dl rm
cc_disk_setup.py	33115	0644	edit dl rm
cc_fan.py	3184	0644	edit dl rm
cc_final_message.py	3490	0644	edit dl rm
cc_growpart.py	19890	0644	edit dl rm
cc_grub_dpkg.py	5619	0644	edit dl rm
cc_install_hotplug.py	3901	0644	edit dl rm
cc_keyboard.py	2126	0644	edit dl rm
cc_keys_to_console.py	3713	0644	edit dl rm
cc_landscape.py	4976	0644	edit dl rm
cc_locale.py	1923	0644	edit dl rm
cc_lxd.py	18387	0644	edit dl rm
cc_mcollective.py	6349	0644	edit dl rm
cc_migrator.py	3599	0644	edit dl rm
cc_mounts.py	19486	0644	edit dl rm
cc_ntp.py	20172	0644	edit dl rm
cc_package_update_upgrade_install.py	4530	0644	edit dl rm
cc_phone_home.py	5636	0644	edit dl rm
cc_power_state_change.py	7838	0644	edit dl rm
cc_puppet.py	14066	0644	edit dl rm
cc_refresh_rmc_and_interface.py	5614	0644	edit dl rm
cc_reset_rmc.py	4642	0644	edit dl rm
cc_resizefs.py	10818	0644	edit dl rm
cc_resolv_conf.py	5130	0644	edit dl rm
cc_rh_subscription.py	17456	0644	edit dl rm
cc_rightscale_userdata.py	4407	0644	edit dl rm
cc_rsyslog.py	10001	0644	edit dl rm
cc_runcmd.py	2993	0644	edit dl rm
cc_salt_minion.py	5668	0644	edit dl rm
cc_scripts_per_boot.py	1717	0644	edit dl rm
cc_scripts_per_instance.py	1873	0644	edit dl rm
cc_scripts_per_once.py	1823	0644	edit dl rm
cc_scripts_user.py	1913	0644	edit dl rm
cc_scripts_vendor.py	2367	0644	edit dl rm
cc_seed_random.py	4928	0644	edit dl rm
cc_set_hostname.py	5012	0644	edit dl rm
cc_set_passwords.py	11315	0644	edit dl rm
cc_snap.py	6539	0644	edit dl rm
cc_spacewalk.py	3604	0644	edit dl rm
cc_ssh.py	14371	0644	edit dl rm
cc_ssh_authkey_fingerprints.py	4338	0644	edit dl rm
cc_ssh_import_id.py	5955	0644	edit dl rm
cc_timezone.py	1475	0644	edit dl rm
cc_ubuntu_advantage.py	17281	0644	edit dl rm
cc_ubuntu_autoinstall.py	4672	0644	edit dl rm
cc_ubuntu_drivers.py	4736	0644	edit dl rm
cc_update_etc_hosts.py	5235	0644	edit dl rm
cc_update_hostname.py	3721	0644	edit dl rm
cc_users_groups.py	7787	0644	edit dl rm
cc_wireguard.py	9507	0644	edit dl rm
cc_write_files.py	6910	0644	edit dl rm
cc_write_files_deferred.py	1718	0644	edit dl rm
cc_yum_add_repo.py	7653	0644	edit dl rm
cc_zypper_add_repo.py	6840	0644	edit dl rm
modules.py	11700	0644	edit dl rm
schema.py	44173	0644	edit dl rm
__init__.py	14	0644	edit dl rm

Edit: /snap/core18/2999/usr/lib/python3/dist-packages/cloudinit/config/modules.py (11700B)

# Copyright (C) 2008-2022 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
#
# Author: Chuck Short <chuck.short@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

import copy
from types import ModuleType
from typing import Dict, List, NamedTuple, Optional

from cloudinit import config, importer
from cloudinit import log as logging
from cloudinit import type_utils, util
from cloudinit.distros import ALL_DISTROS
from cloudinit.helpers import ConfigMerger
from cloudinit.reporting.events import ReportEventStack
from cloudinit.settings import FREQUENCIES
from cloudinit.stages import Init

LOG = logging.getLogger(__name__)

# This prefix is used to make it less
# of a chance that when importing
# we will not find something else with the same
# name in the lookup path...
MOD_PREFIX = "cc_"

class ModuleDetails(NamedTuple):
    module: ModuleType
    name: str
    frequency: str
    run_args: List[str]

def form_module_name(name):
    canon_name = name.replace("-", "_")
    if canon_name.lower().endswith(".py"):
        canon_name = canon_name[0 : (len(canon_name) - 3)]
    canon_name = canon_name.strip()
    if not canon_name:
        return None
    if not canon_name.startswith(MOD_PREFIX):
        canon_name = "%s%s" % (MOD_PREFIX, canon_name)
    return canon_name

def validate_module(mod, name):
    if (
        not hasattr(mod, "meta")
        or "frequency" not in mod.meta
        or "distros" not in mod.meta
    ):
        raise ValueError(
            f"Module '{mod}' with name '{name}' MUST have a 'meta' attribute "
            "of type 'MetaSchema'."
        )
    if mod.meta["frequency"] not in FREQUENCIES:
        raise ValueError(
            f"Module '{mod}' with name '{name}' has an invalid frequency "
            f"{mod.meta['frequency']}."
        )
    if hasattr(mod, "schema"):
        raise ValueError(
            f"Module '{mod}' with name '{name}' has a JSON 'schema' attribute "
            "defined. Please define schema in cloud-init-schema,json."
        )

def _is_active(module_details: ModuleDetails, cfg: dict) -> bool:
    activate_by_schema_keys_keys = frozenset(
        module_details.module.meta.get("activate_by_schema_keys", {})
    )
    if not activate_by_schema_keys_keys:
        return True
    if not activate_by_schema_keys_keys.intersection(cfg.keys()):
        return False
    return True

class Modules:
    def __init__(self, init: Init, cfg_files=None, reporter=None):
        self.init = init
        self.cfg_files = cfg_files
        # Created on first use
        self._cached_cfg: Optional[config.Config] = None
        if reporter is None:
            reporter = ReportEventStack(
                name="module-reporter",
                description="module-desc",
                reporting_enabled=False,
            )
        self.reporter = reporter

@property
    def cfg(self) -> config.Config:
        # None check to avoid empty case causing re-reading
        if self._cached_cfg is None:
            merger = ConfigMerger(
                paths=self.init.paths,
                datasource=self.init.datasource,
                additional_fns=self.cfg_files,
                base_cfg=self.init.cfg,
            )
            self._cached_cfg = merger.cfg
        # Only give out a copy so that others can't modify this...
        return copy.deepcopy(self._cached_cfg)

def _read_modules(self, name) -> List[Dict]:
        """Read the modules from the config file given the specified name.

Returns a list of module definitions. E.g.,
        [
            {
                "mod": "bootcmd",
                "freq": "always",
                "args": "some_arg",
            }
        ]

Note that in the default case, only "mod" will be set.
        """
        module_list: List[dict] = []
        if name not in self.cfg:
            return module_list
        cfg_mods = self.cfg.get(name)
        if not cfg_mods:
            return module_list
        for item in cfg_mods:
            if not item:
                continue
            if isinstance(item, str):
                module_list.append(
                    {
                        "mod": item.strip(),
                    }
                )
            elif isinstance(item, (list)):
                contents = {}
                # Meant to fall through...
                if len(item) >= 1:
                    contents["mod"] = item[0].strip()
                if len(item) >= 2:
                    contents["freq"] = item[1].strip()
                if len(item) >= 3:
                    contents["args"] = item[2:]
                if contents:
                    module_list.append(contents)
            elif isinstance(item, (dict)):
                contents = {}
                valid = False
                if "name" in item:
                    contents["mod"] = item["name"].strip()
                    valid = True
                if "frequency" in item:
                    contents["freq"] = item["frequency"].strip()
                if "args" in item:
                    contents["args"] = item["args"] or []
                if contents and valid:
                    module_list.append(contents)
            else:
                raise TypeError(
                    "Failed to read '%s' item in config, unknown type %s"
                    % (item, type_utils.obj_name(item))
                )
        return module_list

def _fixup_modules(self, raw_mods) -> List[ModuleDetails]:
        """Convert list of returned from _read_modules() into new format.

Invalid modules and arguments are ignored.
        Also ensures that the module has the required meta fields.
        """
        mostly_mods = []
        for raw_mod in raw_mods:
            raw_name = raw_mod["mod"]
            freq = raw_mod.get("freq")
            run_args = raw_mod.get("args") or []
            mod_name = form_module_name(raw_name)
            if not mod_name:
                continue
            if freq and freq not in FREQUENCIES:
                LOG.warning(
                    "Config specified module %s has an unknown frequency %s",
                    raw_name,
                    freq,
                )
                # Misconfigured in /etc/cloud/cloud.cfg. Reset so cc_* module
                # default meta attribute "frequency" value is used.
                freq = None
            mod_locs, looked_locs = importer.find_module(
                mod_name, ["", type_utils.obj_name(config)], ["handle"]
            )
            if not mod_locs:
                LOG.warning(
                    "Could not find module named %s (searched %s)",
                    mod_name,
                    looked_locs,
                )
                continue
            mod = importer.import_module(mod_locs[0])
            validate_module(mod, raw_name)
            if freq is None:
                # Use cc_* module default setting since no cloud.cfg overrides
                freq = mod.meta["frequency"]
            mostly_mods.append(
                ModuleDetails(
                    module=mod,
                    name=raw_name,
                    frequency=freq,
                    run_args=run_args,
                )
            )
        return mostly_mods

def _run_modules(self, mostly_mods: List[ModuleDetails]):
        cc = self.init.cloudify()
        # Return which ones ran
        # and which ones failed + the exception of why it failed
        failures = []
        which_ran = []
        for (mod, name, freq, args) in mostly_mods:
            try:
                LOG.debug(
                    "Running module %s (%s) with frequency %s", name, mod, freq
                )

# Use the configs logger and not our own
                # TODO(harlowja): possibly check the module
                # for having a LOG attr and just give it back
                # its own logger?
                func_args = [name, self.cfg, cc, LOG, args]
                # Mark it as having started running
                which_ran.append(name)
                # This name will affect the semaphore name created
                run_name = f"config-{name}"

desc = "running %s with frequency %s" % (run_name, freq)
                myrep = ReportEventStack(
                    name=run_name, description=desc, parent=self.reporter
                )

with myrep:
                    ran, _r = cc.run(
                        run_name, mod.handle, func_args, freq=freq
                    )
                    if ran:
                        myrep.message = "%s ran successfully" % run_name
                    else:
                        myrep.message = "%s previously ran" % run_name

except Exception as e:
                util.logexc(LOG, "Running module %s (%s) failed", name, mod)
                failures.append((name, e))
        return (which_ran, failures)

def run_single(self, mod_name, args=None, freq=None):
        # Form the users module 'specs'
        mod_to_be = {
            "mod": mod_name,
            "args": args,
            "freq": freq,
        }
        # Now resume doing the normal fixups and running
        raw_mods = [mod_to_be]
        mostly_mods = self._fixup_modules(raw_mods)
        return self._run_modules(mostly_mods)

def run_section(self, section_name):
        """Runs all modules in the given section.

section_name - One of the modules lists as defined in
          /etc/cloud/cloud.cfg. One of:
         - cloud_init_modules
         - cloud_config_modules
         - cloud_final_modules
        """
        raw_mods = self._read_modules(section_name)
        mostly_mods = self._fixup_modules(raw_mods)
        distro_name = self.init.distro.name

skipped = []
        forced = []
        overridden = self.cfg.get("unverified_modules", [])
        inapplicable_mods = []
        active_mods = []
        for module_details in mostly_mods:
            (mod, name, _freq, _args) = module_details
            if mod is None:
                continue
            worked_distros = mod.meta["distros"]
            if not _is_active(module_details, self.cfg):
                inapplicable_mods.append(name)
                continue
            # Skip only when the following conditions are all met:
            #  - distros are defined in the module != ALL_DISTROS
            #  - the current d_name isn't in distros
            #  - and the module is unverified and not in the unverified_modules
            #    override list
            if worked_distros and worked_distros != [ALL_DISTROS]:
                if distro_name not in worked_distros:
                    if name not in overridden:
                        skipped.append(name)
                        continue
                    forced.append(name)
            active_mods.append([mod, name, _freq, _args])

if inapplicable_mods:
            LOG.info(
                "Skipping modules '%s' because no applicable config "
                "is provided.",
                ",".join(inapplicable_mods),
            )
        if skipped:
            LOG.info(
                "Skipping modules '%s' because they are not verified "
                "on distro '%s'.  To run anyway, add them to "
                "'unverified_modules' in config.",
                ",".join(skipped),
                distro_name,
            )
        if forced:
            LOG.info("running unverified_modules: '%s'", ", ".join(forced))

return self._run_modules(active_mods)

cmd: