diff options
Diffstat (limited to 'cloudinit/config/cc_ntp.py')
| -rw-r--r-- | cloudinit/config/cc_ntp.py | 572 |
1 files changed, 322 insertions, 250 deletions
diff --git a/cloudinit/config/cc_ntp.py b/cloudinit/config/cc_ntp.py index e183993f..25bba764 100644 --- a/cloudinit/config/cc_ntp.py +++ b/cloudinit/config/cc_ntp.py @@ -11,110 +11,136 @@ import os from textwrap import dedent from cloudinit import log as logging -from cloudinit import temp_utils -from cloudinit import templater -from cloudinit import type_utils -from cloudinit import subp -from cloudinit import util -from cloudinit.config.schema import get_schema_doc, validate_cloudconfig_schema +from cloudinit import subp, temp_utils, templater, type_utils, util +from cloudinit.config.schema import ( + MetaSchema, + get_meta_doc, + validate_cloudconfig_schema, +) from cloudinit.settings import PER_INSTANCE LOG = logging.getLogger(__name__) frequency = PER_INSTANCE -NTP_CONF = '/etc/ntp.conf' +NTP_CONF = "/etc/ntp.conf" NR_POOL_SERVERS = 4 -distros = ['alpine', 'centos', 'debian', 'fedora', 'opensuse', 'rhel', - 'sles', 'ubuntu'] +distros = [ + "almalinux", + "alpine", + "centos", + "cloudlinux", + "debian", + "eurolinux", + "fedora", + "miraclelinux", + "openEuler", + "opensuse", + "photon", + "rhel", + "rocky", + "sles", + "ubuntu", + "virtuozzo", +] NTP_CLIENT_CONFIG = { - 'chrony': { - 'check_exe': 'chronyd', - 'confpath': '/etc/chrony.conf', - 'packages': ['chrony'], - 'service_name': 'chrony', - 'template_name': 'chrony.conf.{distro}', - 'template': None, + "chrony": { + "check_exe": "chronyd", + "confpath": "/etc/chrony.conf", + "packages": ["chrony"], + "service_name": "chrony", + "template_name": "chrony.conf.{distro}", + "template": None, }, - 'ntp': { - 'check_exe': 'ntpd', - 'confpath': NTP_CONF, - 'packages': ['ntp'], - 'service_name': 'ntp', - 'template_name': 'ntp.conf.{distro}', - 'template': None, + "ntp": { + "check_exe": "ntpd", + "confpath": NTP_CONF, + "packages": ["ntp"], + "service_name": "ntp", + "template_name": "ntp.conf.{distro}", + "template": None, }, - 'ntpdate': { - 'check_exe': 'ntpdate', - 'confpath': NTP_CONF, - 'packages': ['ntpdate'], - 'service_name': 'ntpdate', - 'template_name': 'ntp.conf.{distro}', - 'template': None, + "ntpdate": { + "check_exe": "ntpdate", + "confpath": NTP_CONF, + "packages": ["ntpdate"], + "service_name": "ntpdate", + "template_name": "ntp.conf.{distro}", + "template": None, }, - 'systemd-timesyncd': { - 'check_exe': '/lib/systemd/systemd-timesyncd', - 'confpath': '/etc/systemd/timesyncd.conf.d/cloud-init.conf', - 'packages': [], - 'service_name': 'systemd-timesyncd', - 'template_name': 'timesyncd.conf', - 'template': None, + "systemd-timesyncd": { + "check_exe": "/lib/systemd/systemd-timesyncd", + "confpath": "/etc/systemd/timesyncd.conf.d/cloud-init.conf", + "packages": [], + "service_name": "systemd-timesyncd", + "template_name": "timesyncd.conf", + "template": None, }, } # This is Distro-specific configuration overrides of the base config DISTRO_CLIENT_CONFIG = { - 'alpine': { - 'chrony': { - 'confpath': '/etc/chrony/chrony.conf', - 'service_name': 'chronyd', + "alpine": { + "chrony": { + "confpath": "/etc/chrony/chrony.conf", + "service_name": "chronyd", }, - 'ntp': { - 'confpath': '/etc/ntp.conf', - 'packages': [], - 'service_name': 'ntpd', + "ntp": { + "confpath": "/etc/ntp.conf", + "packages": [], + "service_name": "ntpd", }, }, - 'debian': { - 'chrony': { - 'confpath': '/etc/chrony/chrony.conf', + "debian": { + "chrony": { + "confpath": "/etc/chrony/chrony.conf", }, }, - 'rhel': { - 'ntp': { - 'service_name': 'ntpd', + "opensuse": { + "chrony": { + "service_name": "chronyd", }, - 'chrony': { - 'service_name': 'chronyd', + "ntp": { + "confpath": "/etc/ntp.conf", + "service_name": "ntpd", + }, + "systemd-timesyncd": { + "check_exe": "/usr/lib/systemd/systemd-timesyncd", }, }, - 'opensuse': { - 'chrony': { - 'service_name': 'chronyd', + "photon": { + "chrony": { + "service_name": "chronyd", + }, + "ntp": {"service_name": "ntpd", "confpath": "/etc/ntp.conf"}, + "systemd-timesyncd": { + "check_exe": "/usr/lib/systemd/systemd-timesyncd", + "confpath": "/etc/systemd/timesyncd.conf", }, - 'ntp': { - 'confpath': '/etc/ntp.conf', - 'service_name': 'ntpd', + }, + "rhel": { + "ntp": { + "service_name": "ntpd", }, - 'systemd-timesyncd': { - 'check_exe': '/usr/lib/systemd/systemd-timesyncd', + "chrony": { + "service_name": "chronyd", }, }, - 'sles': { - 'chrony': { - 'service_name': 'chronyd', + "sles": { + "chrony": { + "service_name": "chronyd", }, - 'ntp': { - 'confpath': '/etc/ntp.conf', - 'service_name': 'ntpd', + "ntp": { + "confpath": "/etc/ntp.conf", + "service_name": "ntpd", }, - 'systemd-timesyncd': { - 'check_exe': '/usr/lib/systemd/systemd-timesyncd', + "systemd-timesyncd": { + "check_exe": "/usr/lib/systemd/systemd-timesyncd", }, }, - 'ubuntu': { - 'chrony': { - 'confpath': '/etc/chrony/chrony.conf', + "ubuntu": { + "chrony": { + "confpath": "/etc/chrony/chrony.conf", }, }, } @@ -126,11 +152,12 @@ DISTRO_CLIENT_CONFIG = { # configuration options before actually attempting to deploy with said # configuration. -schema = { - 'id': 'cc_ntp', - 'name': 'NTP', - 'title': 'enable and configure ntp', - 'description': dedent("""\ +meta: MetaSchema = { + "id": "cc_ntp", + "name": "NTP", + "title": "enable and configure ntp", + "description": dedent( + """\ Handle ntp configuration. If ntp is not installed on the system and ntp configuration is specified, ntp will be installed. If there is a default ntp config file in the image or one is present in the @@ -138,16 +165,20 @@ schema = { appended to the filename before any changes are made. A list of ntp pools and ntp servers can be provided under the ``ntp`` config key. If no ntp ``servers`` or ``pools`` are provided, 4 pools will be used - in the format ``{0-3}.{distro}.pool.ntp.org``."""), - 'distros': distros, - 'examples': [ - dedent("""\ + in the format ``{0-3}.{distro}.pool.ntp.org``.""" + ), + "distros": distros, + "examples": [ + dedent( + """\ # Override ntp with chrony configuration on Ubuntu ntp: enabled: true ntp_client: chrony # Uses cloud-init default chrony configuration - """), - dedent("""\ + """ + ), + dedent( + """\ # Provide a custom ntp client configuration ntp: enabled: true @@ -174,122 +205,140 @@ schema = { servers: - ntp.server.local - ntp.ubuntu.com - - 192.168.23.2""")], - 'frequency': PER_INSTANCE, - 'type': 'object', - 'properties': { - 'ntp': { - 'type': ['object', 'null'], - 'properties': { - 'pools': { - 'type': 'array', - 'items': { - 'type': 'string', - 'format': 'hostname' - }, - 'uniqueItems': True, - 'description': dedent("""\ + - 192.168.23.2""" + ), + ], + "frequency": PER_INSTANCE, +} + +schema = { + "type": "object", + "properties": { + "ntp": { + "type": ["object", "null"], + "properties": { + "pools": { + "type": "array", + "items": {"type": "string", "format": "hostname"}, + "uniqueItems": True, + "description": dedent( + """\ List of ntp pools. If both pools and servers are empty, 4 default pool servers will be provided of the format ``{0-3}.{distro}.pool.ntp.org``. NOTE: for Alpine Linux when using the Busybox NTP client this setting will be ignored due to the limited - functionality of Busybox's ntpd.""") + functionality of Busybox's ntpd.""" + ), }, - 'servers': { - 'type': 'array', - 'items': { - 'type': 'string', - 'format': 'hostname' - }, - 'uniqueItems': True, - 'description': dedent("""\ + "servers": { + "type": "array", + "items": {"type": "string", "format": "hostname"}, + "uniqueItems": True, + "description": dedent( + """\ List of ntp servers. If both pools and servers are empty, 4 default pool servers will be provided with - the format ``{0-3}.{distro}.pool.ntp.org``.""") + the format ``{0-3}.{distro}.pool.ntp.org``.""" + ), }, - 'ntp_client': { - 'type': 'string', - 'default': 'auto', - 'description': dedent("""\ + "ntp_client": { + "type": "string", + "default": "auto", + "description": dedent( + """\ Name of an NTP client to use to configure system NTP. When unprovided or 'auto' the default client preferred by the distribution will be used. The following built-in client names can be used to override existing configuration defaults: chrony, ntp, ntpdate, - systemd-timesyncd."""), + systemd-timesyncd.""" + ), }, - 'enabled': { - 'type': 'boolean', - 'default': True, - 'description': dedent("""\ + "enabled": { + "type": "boolean", + "default": True, + "description": dedent( + """\ Attempt to enable ntp clients if set to True. If set to False, ntp client will not be configured or - installed"""), + installed""" + ), }, - 'config': { - 'description': dedent("""\ + "config": { + "description": dedent( + """\ Configuration settings or overrides for the - ``ntp_client`` specified."""), - 'type': ['object'], - 'properties': { - 'confpath': { - 'type': 'string', - 'description': dedent("""\ + ``ntp_client`` specified.""" + ), + "type": ["object"], + "properties": { + "confpath": { + "type": "string", + "description": dedent( + """\ The path to where the ``ntp_client`` - configuration is written."""), + configuration is written.""" + ), }, - 'check_exe': { - 'type': 'string', - 'description': dedent("""\ + "check_exe": { + "type": "string", + "description": dedent( + """\ The executable name for the ``ntp_client``. For example, ntp service ``check_exe`` is - 'ntpd' because it runs the ntpd binary."""), + 'ntpd' because it runs the ntpd binary.""" + ), }, - 'packages': { - 'type': 'array', - 'items': { - 'type': 'string', + "packages": { + "type": "array", + "items": { + "type": "string", }, - 'uniqueItems': True, - 'description': dedent("""\ + "uniqueItems": True, + "description": dedent( + """\ List of packages needed to be installed for the - selected ``ntp_client``."""), + selected ``ntp_client``.""" + ), }, - 'service_name': { - 'type': 'string', - 'description': dedent("""\ + "service_name": { + "type": "string", + "description": dedent( + """\ The systemd or sysvinit service name used to start and stop the ``ntp_client`` - service."""), + service.""" + ), }, - 'template': { - 'type': 'string', - 'description': dedent("""\ + "template": { + "type": "string", + "description": dedent( + """\ Inline template allowing users to define their own ``ntp_client`` configuration template. The value must start with '## template:jinja' to enable use of templating support. - """), + """ + ), }, }, # Don't use REQUIRED_NTP_CONFIG_KEYS to allow for override # of builtin client values. - 'required': [], - 'minProperties': 1, # If we have config, define something - 'additionalProperties': False + "minProperties": 1, # If we have config, define something + "additionalProperties": False, }, }, - 'required': [], - 'additionalProperties': False + "additionalProperties": False, } - } + }, } -REQUIRED_NTP_CONFIG_KEYS = frozenset([ - 'check_exe', 'confpath', 'packages', 'service_name']) +REQUIRED_NTP_CONFIG_KEYS = frozenset( + ["check_exe", "confpath", "packages", "service_name"] +) -__doc__ = get_schema_doc(schema) # Supplement python help() +__doc__ = get_meta_doc(meta, schema) # Supplement python help() def distro_ntp_client_configs(distro): @@ -319,21 +368,23 @@ def select_ntp_client(ntp_client, distro): distro_cfg = distro_ntp_client_configs(distro.name) # user specified client, return its config - if ntp_client and ntp_client != 'auto': - LOG.debug('Selected NTP client "%s" via user-data configuration', - ntp_client) + if ntp_client and ntp_client != "auto": + LOG.debug( + 'Selected NTP client "%s" via user-data configuration', ntp_client + ) return distro_cfg.get(ntp_client, {}) # default to auto if unset in distro - distro_ntp_client = distro.get_option('ntp_client', 'auto') + distro_ntp_client = distro.get_option("ntp_client", "auto") clientcfg = {} if distro_ntp_client == "auto": for client in distro.preferred_ntp_clients: cfg = distro_cfg.get(client) - if subp.which(cfg.get('check_exe')): - LOG.debug('Selected NTP client "%s", already installed', - client) + if subp.which(cfg.get("check_exe")): + LOG.debug( + 'Selected NTP client "%s", already installed', client + ) clientcfg = cfg break @@ -341,11 +392,14 @@ def select_ntp_client(ntp_client, distro): client = distro.preferred_ntp_clients[0] LOG.debug( 'Selected distro preferred NTP client "%s", not yet installed', - client) + client, + ) clientcfg = distro_cfg.get(client) else: - LOG.debug('Selected NTP client "%s" via distro system config', - distro_ntp_client) + LOG.debug( + 'Selected NTP client "%s" via distro system config', + distro_ntp_client, + ) clientcfg = distro_cfg.get(distro_ntp_client, {}) return clientcfg @@ -363,7 +417,7 @@ def install_ntp_client(install_func, packages=None, check_exe="ntpd"): if subp.which(check_exe): return if packages is None: - packages = ['ntp'] + packages = ["ntp"] install_func(packages) @@ -388,25 +442,34 @@ def generate_server_names(distro): names = [] pool_distro = distro - if distro == 'sles': + if distro == "sles": # For legal reasons x.pool.sles.ntp.org does not exist, # use the opensuse pool - pool_distro = 'opensuse' - elif distro == 'alpine': + pool_distro = "opensuse" + elif distro == "alpine" or distro == "eurolinux": # Alpine-specific pool (i.e. x.alpine.pool.ntp.org) does not exist - # so use general x.pool.ntp.org instead. - pool_distro = '' + # so use general x.pool.ntp.org instead. The same applies to EuroLinux + pool_distro = "" for x in range(0, NR_POOL_SERVERS): - names.append(".".join( - [n for n in [str(x)] + [pool_distro] + ['pool.ntp.org'] if n])) + names.append( + ".".join( + [n for n in [str(x)] + [pool_distro] + ["pool.ntp.org"] if n] + ) + ) return names -def write_ntp_config_template(distro_name, service_name=None, servers=None, - pools=None, path=None, template_fn=None, - template=None): +def write_ntp_config_template( + distro_name, + service_name=None, + servers=None, + pools=None, + path=None, + template_fn=None, + template=None, +): """Render a ntp client configuration for the specified client. @param distro_name: string. The distro class name. @@ -429,27 +492,30 @@ def write_ntp_config_template(distro_name, service_name=None, servers=None, if not pools: pools = [] - if (len(servers) == 0 and distro_name == 'alpine' and - service_name == 'ntpd'): + if ( + len(servers) == 0 + and distro_name == "alpine" + and service_name == "ntpd" + ): # Alpine's Busybox ntpd only understands "servers" configuration # and not "pool" configuration. servers = generate_server_names(distro_name) - LOG.debug( - 'Adding distro default ntp servers: %s', ','.join(servers)) + LOG.debug("Adding distro default ntp servers: %s", ",".join(servers)) elif len(servers) == 0 and len(pools) == 0: pools = generate_server_names(distro_name) LOG.debug( - 'Adding distro default ntp pool servers: %s', ','.join(pools)) + "Adding distro default ntp pool servers: %s", ",".join(pools) + ) if not path: - raise ValueError('Invalid value for path parameter') + raise ValueError("Invalid value for path parameter") if not template_fn and not template: - raise ValueError('Not template_fn or template provided') + raise ValueError("Not template_fn or template provided") - params = {'servers': servers, 'pools': pools} + params = {"servers": servers, "pools": pools} if template: - tfile = temp_utils.mkstemp(prefix='template_name-', suffix=".tmpl") + tfile = temp_utils.mkstemp(prefix="template_name-", suffix=".tmpl") template_fn = tfile[1] # filepath is second item in tuple util.write_file(template_fn, content=template) @@ -459,21 +525,6 @@ def write_ntp_config_template(distro_name, service_name=None, servers=None, util.del_file(template_fn) -def reload_ntp(service, systemd=False): - """Restart or reload an ntp system service. - - @param service: A string specifying the name of the service to be affected. - @param systemd: A boolean indicating if the distro uses systemd, defaults - to False. - @returns: A tuple of stdout, stderr results from executing the action. - """ - if systemd: - cmd = ['systemctl', 'reload-or-restart', service] - else: - cmd = ['service', service, 'restart'] - subp.subp(cmd, capture=True) - - def supplemental_schema_validation(ntp_config): """Validate user-provided ntp:config option values. @@ -487,50 +538,62 @@ def supplemental_schema_validation(ntp_config): errors = [] missing = REQUIRED_NTP_CONFIG_KEYS.difference(set(ntp_config.keys())) if missing: - keys = ', '.join(sorted(missing)) + keys = ", ".join(sorted(missing)) errors.append( - 'Missing required ntp:config keys: {keys}'.format(keys=keys)) - elif not any([ntp_config.get('template'), - ntp_config.get('template_name')]): + "Missing required ntp:config keys: {keys}".format(keys=keys) + ) + elif not any( + [ntp_config.get("template"), ntp_config.get("template_name")] + ): errors.append( - 'Either ntp:config:template or ntp:config:template_name values' - ' are required') + "Either ntp:config:template or ntp:config:template_name values" + " are required" + ) for key, value in sorted(ntp_config.items()): - keypath = 'ntp:config:' + key - if key == 'confpath': + keypath = "ntp:config:" + key + if key == "confpath": if not all([value, isinstance(value, str)]): errors.append( - 'Expected a config file path {keypath}.' - ' Found ({value})'.format(keypath=keypath, value=value)) - elif key == 'packages': + "Expected a config file path {keypath}." + " Found ({value})".format(keypath=keypath, value=value) + ) + elif key == "packages": if not isinstance(value, list): errors.append( - 'Expected a list of required package names for {keypath}.' - ' Found ({value})'.format(keypath=keypath, value=value)) - elif key in ('template', 'template_name'): + "Expected a list of required package names for {keypath}." + " Found ({value})".format(keypath=keypath, value=value) + ) + elif key in ("template", "template_name"): if value is None: # Either template or template_name can be none continue if not isinstance(value, str): errors.append( - 'Expected a string type for {keypath}.' - ' Found ({value})'.format(keypath=keypath, value=value)) + "Expected a string type for {keypath}." + " Found ({value})".format(keypath=keypath, value=value) + ) elif not isinstance(value, str): errors.append( - 'Expected a string type for {keypath}.' - ' Found ({value})'.format(keypath=keypath, value=value)) + "Expected a string type for {keypath}. Found ({value})".format( + keypath=keypath, value=value + ) + ) if errors: - raise ValueError(r'Invalid ntp configuration:\n{errors}'.format( - errors='\n'.join(errors))) + raise ValueError( + r"Invalid ntp configuration:\n{errors}".format( + errors="\n".join(errors) + ) + ) def handle(name, cfg, cloud, log, _args): """Enable and configure ntp.""" - if 'ntp' not in cfg: + if "ntp" not in cfg: LOG.debug( - "Skipping module named %s, not present or disabled by cfg", name) + "Skipping module named %s, not present or disabled by cfg", name + ) return - ntp_cfg = cfg['ntp'] + ntp_cfg = cfg["ntp"] if ntp_cfg is None: ntp_cfg = {} # Allow empty config which will install the package @@ -538,55 +601,64 @@ def handle(name, cfg, cloud, log, _args): if not isinstance(ntp_cfg, (dict)): raise RuntimeError( "'ntp' key existed in config, but not a dictionary type," - " is a {_type} instead".format(_type=type_utils.obj_name(ntp_cfg))) + " is a {_type} instead".format(_type=type_utils.obj_name(ntp_cfg)) + ) validate_cloudconfig_schema(cfg, schema) # Allow users to explicitly enable/disable - enabled = ntp_cfg.get('enabled', True) + enabled = ntp_cfg.get("enabled", True) if util.is_false(enabled): LOG.debug("Skipping module named %s, disabled by cfg", name) return # Select which client is going to be used and get the configuration - ntp_client_config = select_ntp_client(ntp_cfg.get('ntp_client'), - cloud.distro) - + ntp_client_config = select_ntp_client( + ntp_cfg.get("ntp_client"), cloud.distro + ) # Allow user ntp config to override distro configurations ntp_client_config = util.mergemanydict( - [ntp_client_config, ntp_cfg.get('config', {})], reverse=True) + [ntp_client_config, ntp_cfg.get("config", {})], reverse=True + ) supplemental_schema_validation(ntp_client_config) - rename_ntp_conf(confpath=ntp_client_config.get('confpath')) + rename_ntp_conf(confpath=ntp_client_config.get("confpath")) template_fn = None - if not ntp_client_config.get('template'): - template_name = ( - ntp_client_config.get('template_name').replace('{distro}', - cloud.distro.name)) + if not ntp_client_config.get("template"): + template_name = ntp_client_config.get("template_name").replace( + "{distro}", cloud.distro.name + ) template_fn = cloud.get_template_filename(template_name) if not template_fn: - msg = ('No template found, not rendering %s' % - ntp_client_config.get('template_name')) + msg = ( + "No template found, not rendering %s" + % ntp_client_config.get("template_name") + ) raise RuntimeError(msg) - write_ntp_config_template(cloud.distro.name, - service_name=ntp_client_config.get( - 'service_name'), - servers=ntp_cfg.get('servers', []), - pools=ntp_cfg.get('pools', []), - path=ntp_client_config.get('confpath'), - template_fn=template_fn, - template=ntp_client_config.get('template')) - - install_ntp_client(cloud.distro.install_packages, - packages=ntp_client_config['packages'], - check_exe=ntp_client_config['check_exe']) + write_ntp_config_template( + cloud.distro.name, + service_name=ntp_client_config.get("service_name"), + servers=ntp_cfg.get("servers", []), + pools=ntp_cfg.get("pools", []), + path=ntp_client_config.get("confpath"), + template_fn=template_fn, + template=ntp_client_config.get("template"), + ) + + install_ntp_client( + cloud.distro.install_packages, + packages=ntp_client_config["packages"], + check_exe=ntp_client_config["check_exe"], + ) try: - reload_ntp(ntp_client_config['service_name'], - systemd=cloud.distro.uses_systemd()) + cloud.distro.manage_service( + "reload", ntp_client_config.get("service_name") + ) except subp.ProcessExecutionError as e: LOG.exception("Failed to reload/start ntp service: %s", e) raise + # vi: ts=4 expandtab |