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# Copyright (C) 2009-2010 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
"""
Foo
---
**Summary:** example module
Example to show module structure. Does not do anything.
**Internal name:** ``cc_foo``
**Module frequency:** per instance
**Supported distros:** all
"""
from cloudinit.settings import PER_INSTANCE
# Modules are expected to have the following attributes.
# 1. A required 'handle' method which takes the following params.
# a) The name will not be this files name, but instead
# the name specified in configuration (which is the name
# which will be used to find this module).
# b) A configuration object that is the result of the merging
# of cloud configs configuration with legacy configuration
# as well as any datasource provided configuration
# c) A cloud object that can be used to access various
# datasource and paths for the given distro and data provided
# by the various datasource instance types.
# d) A argument list that may or may not be empty to this module.
# Typically those are from module configuration where the module
# is defined with some extra configuration that will eventually
# be translated from yaml into arguments to this module.
# 2. A optional 'frequency' that defines how often this module should be run.
# Typically one of PER_INSTANCE, PER_ALWAYS, PER_ONCE. If not
# provided PER_INSTANCE will be assumed.
# See settings.py for these constants.
# 3. A optional 'distros' array/set/tuple that defines the known distros
# this module will work with (if not all of them). This is used to write
# a warning out if a module is being ran on a untested distribution for
# informational purposes. If non existent all distros are assumed and
# no warning occurs.
frequency = PER_INSTANCE
def handle(name, _cfg, _cloud, log, _args):
log.debug("Hi from module %s", name)
# vi: ts=4 expandtab