setup_ssh_keys.sh

#!/bin/bash

# Setup SSH keys for passwordless authentication

# Load configuration
if [ -f "config.env" ]; then
    source config.env
else
    echo "Error: config.env file not found. Please copy config.env.example to config.env and update with your values."
    exit 1
fi

echo "=== Setting up SSH keys for passwordless authentication ==="
echo ""

# Generate SSH key if it doesn't exist
if [ ! -f $SSH_KEY_PATH ]; then
    echo "Generating SSH key..."
    ssh-keygen -t rsa -b 2048 -f $SSH_KEY_PATH -N ""
else
    echo "SSH key already exists"
fi

echo ""
echo "Copying SSH key to VM1 ($VM1_IP)..."
echo "You'll be prompted for the $VM_USER password one last time for VM1"
ssh-copy-id $SSH_OPTS $VM_USER@$VM1_IP

echo ""
echo "Copying SSH key to VM2 ($VM2_IP)..."
echo "You'll be prompted for the $VM_USER password one last time for VM2"
ssh-copy-id $SSH_OPTS $VM_USER@$VM2_IP

echo ""
echo "Testing passwordless SSH to VM1..."
if ssh $SSH_OPTS $VM_USER@$VM1_IP "echo 'SSH key auth works for VM1'"; then
    echo "✅ VM1 SSH key authentication successful"
else
    echo "❌ VM1 SSH key authentication failed"
fi

echo ""
echo "Testing passwordless SSH to VM2..."
if ssh $SSH_OPTS $VM_USER@$VM2_IP "echo 'SSH key auth works for VM2'"; then
    echo "✅ VM2 SSH key authentication successful"
else
    echo "❌ VM2 SSH key authentication failed"
fi

echo ""
echo "=== SSH key setup complete! ==="
echo "Now you can run scripts without password prompts"