mhkndgn / cmdhandler Goto Github PK

cmdhandler is a monitoring tool that 
 - executes requested commands 
 - gets the results of it
 - produces a kafka message in JSON format

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    Build instructions
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1. call autoremake --install to create build system files
2. call ./configure to check dependencies
3. call make to build the project
4. call make install to install it

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    Execute instructions
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1. provide a config file with param -f
Ex: cmdhandler -f config.conf

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    Config File instructions
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1. uuid: uuid to be used as label in the beginning of messages
2. kafka_broker_host: kafka broker ip:port. for multiple brokers use comma (,) to seperate them
3. kafka_topic: kafka topic to produce messages
4. interval_sec: time intervals between messages in seconds
5. command[key_field]: full expression of command to be executed i.e. with parameters. 
	- key_fields can be more than 1 and corresponds to the keys of json messages. 
	- Command outputs with blank (' ') seperated will be parsed to each value of key value pairs of json messages. 
	- Command output can be more than one line, each line will be parsed accordingly.

Ex config.cong file:

uuid: <cpe_uuid>  
kafka_broker_host: localhost:9092  
kafka_topic: topic  
interval_sec: 5  
command[pwd]: pwd  
command[echo1]: echo "echo1"  
command[echo2]: echo "echo2"  
command[echo1][echo2]: echo "echo1 echo2"