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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.util as util
import cloudinit.CloudConfig as CC
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
util.close_stdin()
modename = "config"
if len(sys.argv) < 2:
Usage(sys.stderr)
sys.exit(1)
if sys.argv[1] == "all":
name = "all"
if len(sys.argv) > 2:
modename = sys.argv[2]
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:]
cfg_path = cloudinit.get_ipath_cur("cloud_config")
cfg_env_name = cloudinit.cfg_env_name
if os.environ.has_key(cfg_env_name):
cfg_path = os.environ[cfg_env_name]
cloud = cloudinit.CloudInit(ds_deps=[]) # ds_deps=[], get only cached
try:
cloud.get_data_source()
except cloudinit.DataSourceNotFoundException as e:
# there was no datasource found, theres nothing to do
sys.exit(0)
cc = CC.CloudConfig(cfg_path,cloud)
try:
(outfmt, errfmt) = CC.get_output_cfg(cc.cfg,modename)
CC.redirect_output(outfmt, errfmt)
except Exception as e:
err("Failed to get and set output config: %s\n" % e)
cloudinit.logging_set_from_cfg(cc.cfg)
log = logging.getLogger()
log.info("cloud-init-cfg %s" % sys.argv[1:])
module_list = [ ]
if name == "all":
modlist_cfg_name = "cloud_%s_modules" % modename
module_list = CC.read_cc_modules(cc.cfg,modlist_cfg_name)
if not len(module_list):
err("no modules to run in cloud_config [%s]" % modename,log)
sys.exit(0)
else:
module_list.append( [ name, freq ] + run_args )
failures = CC.run_cc_modules(cc,module_list,log)
if len(failures):
err("errors running cloud_config [%s]: %s" % (modename,failures), log)
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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