sshconfig

#!/usr/bin/env bash

# Colors for echo formatting
RED='\033[0;31m'
GREEN='\033[0;32m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

pi_default_user="pi"

echo "Enter a name for this ssh key: "
read keyname

# Create our ssh keys
ssh-keygen -t ed25519 -f ~/.ssh/"$keyname" -P ""

# Get the ip address for the pi listed in the inventory file
pi_ip=$(ansible --list-hosts pi4 | tail -1 | xargs)

echo -e "${GREEN}=============================================${NC}"
echo -e "${GREEN}RASPBERRY PI DEFAULT PASSWORD: 'raspberry'${NC}"
echo -e "${GREEN}=============================================${NC}"

# Copy the public key to the pi
ssh-copy-id -i ~/.ssh/"$keyname".pub "$pi_default_user"@"$pi_ip"

# Ensure the ssh-agent is started with each new terminal session
ansible localhost -m blockinfile -a "path=~/.bashrc block='eval \$(ssh-agent)\nssh-add ~/.ssh/${keyname}'"

# Start the ssh agent and add our private key to inventory
is_started=$(echo $SSH_AGENT_SOCK)

if [ "$is_started" = "" ]
then
    echo "Starting SSH Agent"
    eval $(ssh-agent)
fi

ssh-add -q ~/.ssh/"$keyname"

echo "Dropping you into a new bash session to keep the agent running..."
echo -e "${GREEN}Now try logging in with:${NC} ${CYAN}ssh $pi_default_user@$pi_ip${NC}"
bash -i