script for automatically managing SSH Agent and keys

gistfile1.txt

#!/bin/bash

function start_sshagent()
{
	ssh-agent > ~/.sshagent
	. ~/.sshagent
}

function check_sshagent() {
	ps -p $SSH_AGENT_PID > /dev/null
	if [[ $? -eq 0 ]]; then
		echo "SSH Agent running at $SSH_AGENT_PID"
		return 0
	else
		echo "SSH Agent at $SSH_AGENT_PID appears dead"
		return 1
	fi

}

function add_identities() {
	ssh-add ~/.ssh/id_rsa
  # If you have extra keys you want to add, add them here

	echo "====================================================="

	ssh-add -l

}

if [[ ! -f ~/.sshagent ]]; then
	start_sshagent
	add_identities
	check_sshagent
else
	. ~/.sshagent
	check_sshagent
	if [[ $? -eq 1 ]]; then
		rm -f ~/.sshagent
		start_sshagent
		add_identities
		check_sshagent
	fi 	
fi