e4275234c1
The list of cloud-config modules is now kept in cloud config itself. There is a builtin list in cloudinit, which is overrideable by /etc/cloud/cloud.cfg or user data cloud-config. This should make the modules more easily added or removed (as no code needs to be edited now) Basic summary of changes: - move CloudConfig.py -> cloudinit/CloudConfig/__init__.py - split cloud-config modules into their own files named cloudinit/CloudConfig/cc_<name>.py - remove all the upstart/cloud-config-* scripts, replacing them with upstart/cloud-config.conf
107 lines
3.0 KiB
Python
Executable File
107 lines
3.0 KiB
Python
Executable File
#!/usr/bin/python
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# vi: ts=4 expandtab
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#
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# Copyright (C) 2009-2010 Canonical Ltd.
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#
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# Author: Scott Moser <scott.moser@canonical.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import cloudinit
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import cloudinit.CloudConfig
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import logging
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import os
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def Usage(out = sys.stdout):
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out.write("Usage: %s name\n" % sys.argv[0])
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def main():
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# expect to be called with
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# name [ args ]
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# run the cloud-config job 'name' at with given args
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# or
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# read cloud config jobs from config (builtin -> system)
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# and run all in order
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if len(sys.argv) < 2:
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Usage(sys.stderr)
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sys.exit(1)
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name=sys.argv[1]
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run_args=sys.argv[2:]
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cloudinit.logging_set_from_cfg_file()
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log = logging.getLogger()
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log.info("cloud-init-cfg %s" % sys.argv[1:])
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cfg_path = cloudinit.cloud_config
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cfg_env_name = cloudinit.cfg_env_name
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if os.environ.has_key(cfg_env_name):
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cfg_path = os.environ[cfg_env_name]
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cc = cloudinit.CloudConfig.CloudConfig(cfg_path)
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module_list = [ ]
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if name == "all":
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# create 'module_list', an array of arrays
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# where array[0] = config
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# array[1] = freq
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# array[2:] = arguemnts
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if "cloud_config_modules" in cc.cfg:
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for item in cc.cfg["cloud_config_modules"]:
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if isinstance(item,str):
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module_list.append((item,))
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elif isinstance(item,list):
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module_list.append(item)
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else:
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fail("Failed to parse cloud_config_modules",log)
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else:
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fail("No cloud_config_modules found in config",log)
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else:
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args = [ name, None ] + run_args
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module_list.append = ( args )
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failures = []
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for cfg_mod in module_list:
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name = cfg_mod[0]
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freq = None
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run_args = [ ]
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if len(cfg_mod) > 1:
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freq = cfg_mod[1]
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if len(cfg_mod) > 2:
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run_args = cfg_mod[2:]
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try:
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cc.handle(name, run_args, freq=freq)
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except:
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import traceback
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traceback.print_exc(file=sys.stderr)
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err("config handling of %s failed\n" % name,log)
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failures.append(name)
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sys.exit(len(failures))
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sys.exit(len(failures))
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def err(msg,log=None):
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if log:
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log.error(msg)
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sys.stderr.write(msg + "\n")
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def fail(msg,log=None):
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err(msg,log)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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