ssh-lastpass/ssh.sh

#!/bin/bash
#Maintained by Linux Operations - Russ Long - <rlong@nabancard.com>

#Set variables
keyname="${1}"

username=${2}

hostname=${3}

keysavename=$(echo -e ${keyname} | tr -d '[:space:]' | awk -F"/" '{print $NF}')

keyfile=$HOME/.ssh/${keysavename}-$(date "+%s")
#Check to see if user is logged in to lastpass cli
#check_login()
#{
  if lpass status | grep -q "Logged in as"; then
    echo "Logged in to Lastpass, continuing..."
  else
    echo "Please login with 'lpass login email@address.com'"
    exit 1
  fi
#}

#Fetch private key and place in /home/$user/.ssh/$keysavename_datetime
lpass show "$keyname" --field="Private Key" > $keyfile
chmod 0600 $keyfile

#store passphrase in a variable
sshpassphrase=$(lpass show "$keyname" --field=Passphrase)

#Add the key to ssh-agent
expect << EOF
  spawn ssh-add -t 30 $keyfile
  expect "Enter passphrase"
  send "$sshpassphrase\r"
  expect eof
EOF

#SSH to the host
ssh $username@$hostname

#Remove keyfile
rm -f $keyfile