cf2ssh.sh

#!/bin/bash

# Author: Everton Fraga <[email protected]>

# Check if a stack name was provided
if [ $# -eq 0 ]; then
    echo "Please provide a CloudFormation stack name."
    echo "Usage: $0 <stack-name>"
    exit 1
fi

# Store the stack name
STACK_NAME="$1"

# Get the list of EC2 instance IDs associated with the stack
INSTANCE_IDS=$(aws cloudformation describe-stack-resources \
    --stack-name "$STACK_NAME" \
    --query "StackResources[?ResourceType=='AWS::EC2::Instance'].PhysicalResourceId" \
    --output text)

# Check if any instances were found
if [ -z "$INSTANCE_IDS" ]; then
    echo "No EC2 instances found for stack: $STACK_NAME"
    exit 1
fi

# Get the first instance ID
FIRST_INSTANCE_ID=$(echo $INSTANCE_IDS | awk '{print $1}')

echo "Connecting to instance: $FIRST_INSTANCE_ID"

# Start an SSM session with the first instance

echo "aws ssm start-session --target \"$FIRST_INSTANCE_ID\""
aws ssm start-session --target "$FIRST_INSTANCE_ID"