node-tail

#!/bin/bash

# Use this script to tail a specific cluster node log file.

usage() {
  echo "Usage: $0 node - Tail cluster node number 1 through 9." ; exit 1
}

[ $# -eq 0 ] && usage

node=$1
scriptPathFull=$(cd $(dirname $0) ; pwd -P)
scriptFilename=$(basename "$scriptPathFull")

tailNode() {
  node=$1
  tail -f /tmp/"$scriptFilename"-"$node".log
}

if [[ $node =~ ^[1-9]$ ]] ; then
  tailNode "$node"
else
  echo "Cluster node number $node is invalid. The node number must be 1 through 9."
  usage
fi