Bash script to "run" a marthon.json manifest that contains a docker image.

readme.md

A script that reads a marathon json manifest and turns it into the local representation to run the docker image.

Install

Install script to a location in your path (~/bin), Make it executable chmod +x run-marathon-json.

Usage:

run-marathon-json marathon.json

Dependencies

!. jq command line json tool

run-marathon-json

#!/bin/bash
IFS=$'\n'

function main {(
  local rawJson=$(cat $1)
  local cmdToRun=(
    docker run 
    --net=host
  )

  local image=$(echo ${rawJson} | jq -r '.container.docker.image')
  local   cmd=$(echo ${rawJson} | jq -r '.cmd // ""')
  local  args=$(echo ${rawJson} | jq -r '.args // ""')
  local  envs=$(echo ${rawJson} | jq -r '.env | to_entries | [map([.key, .value] | .[0] + "=" + .[1])] | .[0] | .[]')

  for e in ${envs}; do
    cmdToRun+=(-e ${e})
  done
  cmdToRun+=(-i -t ${image})
  cmdToRun+=(${cmd})
  cmdToRun+=(${args})

  echo "Running > ${cmdToRun[@]}"

#  for item in "${cmdToRun[@]}"; do
#    echo "item = $item"
#  done
  ${cmdToRun[@]}
)}

main "$@"