Pretty print JSON output on CoreOS

yjson

#!/usr/bin/bash
# This scrip uses toolbox that comes with CoreOS and runs python -m json.tool to parse JSON output.
# The script has pre-configured commands for common etcd api calls, but can take any commands that
# generate JSON output. 

command="$@"

# Output directory shared into the toolbox
outputFile=/home/core/output.$$
toolboxFile=/media/root/$outputFile

help(){
    echo "Usage: `basename $0` [members|leader|store|version][command with JSON output]"
    exit 0
}
case "$command" in
    member|members )
        curl -L -s localhost:2379/v2/members > $outputFile
        ;;
    leader|self|store)
        curl -L -s localhost:2379/v2/stats/$command > $outputFile
        ;;
    version)
        curl -L -s localhost:2379/version
        echo ""
        ;;
   h|help)
   
       help
       ;;
    *)
       [ ! -z "$command" ] && $command > /home/core/output.$$ || help
       ;;
esac
[ -f $outputFile ] && toolbox -q python -m json.tool $toolboxFile && rm -f $outputFile