# Copyright (C) 2012 Yahoo! Inc. # # Author: Joshua Harlow <harlowja@yahoo-inc.com> # # This file is part of cloud-init. See LICENSE file for license information. """Migrator: Migrate old versions of cloud-init data to new""" import os import shutil from logging import Logger from cloudinit import helpers, 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 MODULE_DESCRIPTION = """\ This module handles moving old versions of cloud-init data to newer ones. Currently, it only handles renaming cloud-init's per-frequency semaphore files to canonicalized name and renaming legacy semaphore names to newer ones. This module is enabled by default, but can be disabled by specifying ``migrate: false`` in config. """ distros = ["all"] frequency = PER_ALWAYS meta: MetaSchema = { "id": "cc_migrator", "name": "Migrator", "title": "Migrate old versions of cloud-init data to new", "description": MODULE_DESCRIPTION, "distros": distros, "examples": ["# Do not migrate cloud-init semaphores\nmigrate: false\n"], "frequency": frequency, "activate_by_schema_keys": [], } __doc__ = get_meta_doc(meta) def _migrate_canon_sems(cloud): paths = (cloud.paths.get_ipath("sem"), cloud.paths.get_cpath("sem")) am_adjusted = 0 for sem_path in paths: if not sem_path or not os.path.exists(sem_path): continue for p in os.listdir(sem_path): full_path = os.path.join(sem_path, p) if os.path.isfile(full_path): (name, ext) = os.path.splitext(p) canon_name = helpers.canon_sem_name(name) if canon_name != name: new_path = os.path.join(sem_path, canon_name + ext) shutil.move(full_path, new_path) am_adjusted += 1 return am_adjusted def _migrate_legacy_sems(cloud, log): legacy_adjust = { "apt-update-upgrade": [ "apt-configure", "package-update-upgrade-install", ], } paths = (cloud.paths.get_ipath("sem"), cloud.paths.get_cpath("sem")) for sem_path in paths: if not sem_path or not os.path.exists(sem_path): continue sem_helper = helpers.FileSemaphores(sem_path) for (mod_name, migrate_to) in legacy_adjust.items(): possibles = [mod_name, helpers.canon_sem_name(mod_name)] old_exists = [] for p in os.listdir(sem_path): (name, _ext) = os.path.splitext(p) if name in possibles and os.path.isfile(p): old_exists.append(p) for p in old_exists: util.del_file(os.path.join(sem_path, p)) (_name, freq) = os.path.splitext(p) for m in migrate_to: log.debug( "Migrating %s => %s with the same frequency", p, m ) with sem_helper.lock(m, freq): pass def handle( name: str, cfg: Config, cloud: Cloud, log: Logger, args: list ) -> None: do_migrate = util.get_cfg_option_str(cfg, "migrate", True) if not util.translate_bool(do_migrate): log.debug("Skipping module named %s, migration disabled", name) return sems_moved = _migrate_canon_sems(cloud) log.debug( "Migrated %s semaphore files to there canonicalized names", sems_moved ) _migrate_legacy_sems(cloud, log) # vi: ts=4 expandtab
Name | Type | Size | Permission | Actions |
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__pycache__ | Folder | 0755 |
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schemas | Folder | 0755 |
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__init__.py | File | 14 B | 0644 |
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cc_ansible.py | File | 8.37 KB | 0644 |
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cc_apk_configure.py | File | 5.75 KB | 0644 |
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cc_apt_configure.py | File | 32.46 KB | 0644 |
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cc_apt_pipelining.py | File | 2.82 KB | 0644 |
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cc_bootcmd.py | File | 2.87 KB | 0644 |
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cc_byobu.py | File | 3.67 KB | 0644 |
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cc_ca_certs.py | File | 8.06 KB | 0644 |
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cc_chef.py | File | 13.79 KB | 0644 |
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cc_disable_ec2_metadata.py | File | 2.04 KB | 0644 |
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cc_disk_setup.py | File | 32.34 KB | 0644 |
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cc_fan.py | File | 3.11 KB | 0644 |
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cc_final_message.py | File | 3.41 KB | 0644 |
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cc_growpart.py | File | 19.42 KB | 0644 |
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cc_grub_dpkg.py | File | 5.49 KB | 0644 |
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cc_install_hotplug.py | File | 3.81 KB | 0644 |
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cc_keyboard.py | File | 2.08 KB | 0644 |
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cc_keys_to_console.py | File | 3.63 KB | 0644 |
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cc_landscape.py | File | 4.86 KB | 0644 |
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cc_locale.py | File | 1.88 KB | 0644 |
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cc_lxd.py | File | 17.96 KB | 0644 |
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cc_mcollective.py | File | 6.2 KB | 0644 |
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cc_migrator.py | File | 3.51 KB | 0644 |
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cc_mounts.py | File | 19.03 KB | 0644 |
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cc_ntp.py | File | 19.7 KB | 0644 |
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cc_package_update_upgrade_install.py | File | 4.42 KB | 0644 |
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cc_phone_home.py | File | 5.5 KB | 0644 |
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cc_power_state_change.py | File | 7.65 KB | 0644 |
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cc_puppet.py | File | 13.74 KB | 0644 |
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cc_refresh_rmc_and_interface.py | File | 5.48 KB | 0644 |
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cc_reset_rmc.py | File | 4.53 KB | 0644 |
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cc_resizefs.py | File | 10.56 KB | 0644 |
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cc_resolv_conf.py | File | 5.01 KB | 0644 |
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cc_rh_subscription.py | File | 17.05 KB | 0644 |
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cc_rightscale_userdata.py | File | 4.3 KB | 0644 |
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cc_rsyslog.py | File | 9.77 KB | 0644 |
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cc_runcmd.py | File | 2.92 KB | 0644 |
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cc_salt_minion.py | File | 5.54 KB | 0644 |
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cc_scripts_per_boot.py | File | 1.68 KB | 0644 |
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cc_scripts_per_instance.py | File | 1.83 KB | 0644 |
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cc_scripts_per_once.py | File | 1.78 KB | 0644 |
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cc_scripts_user.py | File | 1.87 KB | 0644 |
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cc_scripts_vendor.py | File | 2.31 KB | 0644 |
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cc_seed_random.py | File | 4.81 KB | 0644 |
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cc_set_hostname.py | File | 4.89 KB | 0644 |
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cc_set_passwords.py | File | 11.05 KB | 0644 |
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cc_snap.py | File | 6.39 KB | 0644 |
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cc_spacewalk.py | File | 3.52 KB | 0644 |
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cc_ssh.py | File | 14.03 KB | 0644 |
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cc_ssh_authkey_fingerprints.py | File | 4.24 KB | 0644 |
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cc_ssh_import_id.py | File | 5.82 KB | 0644 |
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cc_timezone.py | File | 1.44 KB | 0644 |
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cc_ubuntu_advantage.py | File | 16.88 KB | 0644 |
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cc_ubuntu_autoinstall.py | File | 4.56 KB | 0644 |
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cc_ubuntu_drivers.py | File | 4.63 KB | 0644 |
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cc_update_etc_hosts.py | File | 5.11 KB | 0644 |
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cc_update_hostname.py | File | 3.63 KB | 0644 |
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cc_users_groups.py | File | 7.6 KB | 0644 |
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cc_wireguard.py | File | 9.28 KB | 0644 |
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cc_write_files.py | File | 6.75 KB | 0644 |
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cc_write_files_deferred.py | File | 1.68 KB | 0644 |
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cc_yum_add_repo.py | File | 7.47 KB | 0644 |
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cc_zypper_add_repo.py | File | 6.68 KB | 0644 |
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modules.py | File | 11.43 KB | 0644 |
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schema.py | File | 43.14 KB | 0644 |
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