bash script to register new jenkins node

register_node.sh

#!/bin/bash

# jenkins master vitals
CI_MASTER_HOST="ci-1.youdevise.com"
CI_MASTER_PORT="80"

# node vitals
NODE_HOST="tom-denley-rocks-01.youdevise.com"
NODE_NAME="tom-denley-rocks-name-01"
NODE_DESC="my node of glory"
NODE_LABELS="badass experimental"
NODE_REMOTE_FS="/home/ci/jenkins"

# ssh jenkins launcher params
NODE_LAUNCHER_PORT="22"
NODE_LAUNCHER_JVM_ARGS="-Djava.awt.headless=true -Xmx256m"
NODE_LAUNCHER_CREDENTIALS_ID="d75c97c9-8ecc-4050-b79a-1ed6295c506c"

# node env vars
NODE_ANT_HOME="/usr/share/ant"
NODE_CATALINA_HOME="/usr/share/tomcat6"
NODE_JAVA_HOME="/usr/lib/jvm/java-6-sun"

# request json payload
JSON="{
  \"nodeDescription\": \"$NODE_DESC\",
  \"remoteFS\": \"$NODE_REMOTE_FS\",
  \"labelString\": \"$NODE_LABELS\",
  \"launcher\": {
    \"stapler-class\": \"hudson.plugins.sshslaves.SSHLauncher\",
    \"host\": \"$NODE_HOST\",
    \"credentialsId\": \"$NODE_LAUNCHER_CREDENTIALS_ID\",
    \"port\": \"$NODE_LAUNCHER_PORT\",
    \"javaPath\": \"\",
    \"jvmOptions\": \"$NODE_LAUNCHER_JVM_ARGS\",
    \"prefixStartSlaveCmd\": \"\",
    \"suffixStartSlaveCmd\": \"\"
  },
  \"nodeProperties\": {
    \"stapler-class-bag\": \"true\",
    \"hudson-slaves-EnvironmentVariablesNodeProperty\": {
      \"env\": [{\"key\": \"ANT_HOME\",      \"value\": \"$NODE_ANT_HOME\"},
                {\"key\": \"CATALINA_HOME\", \"value\": \"$NODE_CATALINA_HOME\"},
                {\"key\": \"JAVA_HOME\",     \"value\": \"$NODE_JAVA_HOME\"}]
    }
  }
}"

ENC_JSON="$(perl -MURI::Escape -e 'print uri_escape($ARGV[0]);' "$JSON")"

curl --request POST --data "name=$NODE_NAME&type=hudson.slaves.DumbSlave&json=$ENC_JSON" "http://$CI_MASTER_HOST:$CI_MASTER_PORT/computer/doCreateItem"