Custom SSH Command: Customize SSH command in Bash script to access Nodes easily

customSSHCommand.sh

#!/bin/bash

# To Run this file as a Command, Create ~/.bash_aliases file and put the following:
# alias ssh='/path to customSSHCommand.sh ssh'
# alias sftp='/path to customSSHCommand.sh sftp'

type="$1"
provider="$2"

if [ -z "$type" ] || [ -z "$provider" ]
then
	echo "Invalid SSH/SFTP command!"
	echo ""
	echo "First parameter should be either ssh or sftp."
	echo "Second parameter should be the provider name defined in $0 file."

	exit 1
fi

portOption="-o StrictHostKeyChecking=no -p"
cmdName="ssh"

if [ "$type" = "ftp" ] || [ "$type" = "sftp" ]
then
	portOption="-P"
	cmdName="sftp"
fi

case "$provider" in
	"server1")
		sshpass -p 'PASSWORD' $cmdName $portOption 22 user1@server1
		;;
	"server2")
		sshpass -p 'PASSWORD' $cmdName $portOption 22 user2@server2
		;;
	*)
		echo "Given SSH option is not in the List!"

		# Fall to default SSH command
		ssh "$@"
		;;
esac