Developing for Splunk Enterprise
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Custom alert script failing

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I have been following this example (https://answers.splunk.com/answers/683820/why-is-the-custom-alert-script-failing-with-sendal.html) and encountered an error in the showconfiguration.py script.

import pprint, json, sys

if __name__ == "__main__":
  if len(sys.argv) > 1 and sys.argv[1] = "--execute":
    f.open("/tmp/splunktest.txt", "w")
    f.write("Here's the info we get from splunk:")
    f.write(pprint.pprint(json.loads(sys.stdin.read())))
    f.close()

Errors in log:

 04-02-2020 07:30:11.193 +0000 WARN  sendmodalert - action=showconfiguration - Alert action script returned error code=1
 04-02-2020 07:30:11.193 +0000 INFO  sendmodalert - action=showconfiguration - Alert action script completed in duration=11 ms with exit code=1
 04-02-2020 07:30:11.191 +0000 ERROR sendmodalert - action=showconfiguration STDERR -  SyntaxError: invalid syntax
 04-02-2020 07:30:11.191 +0000 ERROR sendmodalert - action=showconfiguration STDERR -                                           ^
 04-02-2020 07:30:11.191 +0000 ERROR sendmodalert - action=showconfiguration STDERR -      if len(sys.argv) > 1 and sys.argv[1] = "--execute":
 04-02-2020 07:30:11.191 +0000 ERROR sendmodalert - action=showconfiguration STDERR -    File "/opt/splunk/etc/apps/showconfiguration/bin/showconfiguration.py", line 4
 host = 6c83f2e55cd4source = /opt/splunk/var/log/splunk/splunkd.logsourcetype = splunkd
Labels (1)
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Re: Custom alert script failing

Influencer

There is a syntax error in your python script. Line number 4 should be:

if len(sys.argv) > 1 and sys.argv[1] == "--execute":

It's better to use a python editor/IDE like IDLE or PyCharm to write your code so that you'll identify these errors before deploying to search heads.

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