Added 'creates=filename' to the shell/command module, which can skip command execution if a file
already exists
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parent
7b9856bc0e
commit
38c7f1db4d
1 changed files with 28 additions and 7 deletions
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@ -39,6 +39,26 @@ if args.find("#USE_SHELL") != -1:
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args = args.replace("#USE_SHELL", "")
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shell = True
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check_args = shlex.split(args)
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for x in check_args:
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if x.startswith("creates="):
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# do not run the command if the line contains creates=filename
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# and the filename already exists. This allows idempotence
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# of command executions.
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(k,v) = x.split("=",1)
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if os.path.exists(v):
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print json.dumps({
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"cmd" : args,
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"stdout" : "skipped, since %s exists" % v,
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"skipped" : True,
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"changed" : False,
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"stderr" : "",
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"rc" : 0,
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})
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sys.exit(0)
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args = args.replace(x,'')
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if not shell:
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args = shlex.split(args)
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@ -71,13 +91,14 @@ if err is None:
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err = ''
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result = {
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"cmd" : args,
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"stdout" : out.strip(),
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"stderr" : err.strip(),
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"rc" : cmd.returncode,
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"start" : str(startd),
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"end" : str(endd),
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"delta" : str(delta),
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"cmd" : args,
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"stdout" : out.strip(),
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"stderr" : err.strip(),
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"rc" : cmd.returncode,
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"start" : str(startd),
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"end" : str(endd),
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"delta" : str(delta),
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"changed" : True
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}
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print json.dumps(result)
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