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#!/usr/bin/python
# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import cloudinit
import cloudinit.CloudConfig
import logging
import os
def Usage(out = sys.stdout):
out.write("Usage: %s name\n" % sys.argv[0])
def main():
# expect to be called with
# name [ freq [ args ]
# run the cloud-config job 'name' at with given args
# or
# read cloud config jobs from config (builtin -> system)
# and run all in order
if len(sys.argv) < 2:
Usage(sys.stderr)
sys.exit(1)
if sys.argv[1] == "all":
name = "all"
else:
freq = None
run_args = []
name=sys.argv[1]
if len(sys.argv) > 2:
freq = sys.argv[2]
if freq == "None":
freq = None
if len(sys.argv) > 3:
run_args=sys.argv[3:]
cloudinit.logging_set_from_cfg_file()
log = logging.getLogger()
log.info("cloud-init-cfg %s" % sys.argv[1:])
cfg_path = cloudinit.cloud_config
cfg_env_name = cloudinit.cfg_env_name
if os.environ.has_key(cfg_env_name):
cfg_path = os.environ[cfg_env_name]
cc = cloudinit.CloudConfig.CloudConfig(cfg_path)
module_list = [ ]
if name == "all":
# create 'module_list', an array of arrays
# where array[0] = config
# array[1] = freq
# array[2:] = arguemnts
if "cloud_config_modules" in cc.cfg:
for item in cc.cfg["cloud_config_modules"]:
if isinstance(item,str):
module_list.append((item,))
elif isinstance(item,list):
module_list.append(item)
else:
fail("Failed to parse cloud_config_modules",log)
else:
fail("No cloud_config_modules found in config",log)
else:
module_list.append( [ name, freq ] + run_args )
failures = []
for cfg_mod in module_list:
name = cfg_mod[0]
freq = None
run_args = [ ]
if len(cfg_mod) > 1:
freq = cfg_mod[1]
if len(cfg_mod) > 2:
run_args = cfg_mod[2:]
try:
log.debug("handling %s with freq=%s and args=%s" %
(name, freq, run_args ))
cc.handle(name, run_args, freq=freq)
except:
err("config handling of %s, %s, %s failed\n" %
(name,freq,run_args), log)
failures.append(name)
sys.exit(len(failures))
def err(msg,log=None):
if log:
log.error(msg)
sys.stderr.write(msg + "\n")
def fail(msg,log=None):
err(msg,log)
sys.exit(1)
if __name__ == '__main__':
main()
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