51 lines
1.2 KiB
Python
Executable File
51 lines
1.2 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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import cloudinit
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def Usage(out = sys.stdout):
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out.write("Usage: cloud-init-run-module freq sem-name mod-name [args]\n")
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def main():
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# expect to be called with
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# <freq> <semaphore-name> <module-name> args
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if len(sys.argv) < 4:
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Usage(sys.stderr)
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sys.exit(1)
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(freq,semname,modname)=sys.argv[1:4]
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run_args=sys.argv[4:]
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cloud = cloudinit.EC2Init()
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try:
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cloud.get_data_source()
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except Exception as e:
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print e
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sys.stderr.write("Failed to get instance data")
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sys.exit(1)
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if cloud.sem_has_run(semname,freq):
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sys.stderr.write("%s already ran %s\n" % (semname,freq))
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sys.exit(0)
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try:
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mod = __import__('cloudinit.' + modname)
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inst = getattr(mod,modname)
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except:
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sys.stderr.write("Failed to load module cloudinit.%s\n" % modname)
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sys.exit(1)
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import os
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cfg_path = None
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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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cloud.sem_and_run(semname, freq, inst.run, [run_args,cfg_path], False)
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sys.exit(0)
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if __name__ == '__main__':
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main()
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