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Batfish Deployment Infra - AWS CDK - ECS/Fargate/LoadBalancer

Batfish Network Analysis container running in ECS Cluster with Fargate behind a Load Balancer.

The cdk.json file tells the CDK Toolkit how to execute your app.

Starting Port Forwarding Session to ELB

An example bash script is provided to dynamically grab the instance-id of the EC2 used to tunnel through to the ELB. The ELB is also grabbed dynamically with the AWS CLI toolkit.

./ssh-session.sh

Resources

-> Grab Instance ID by TAG 'Name' value of BatfishSSM

INSTANCE_ID=$(aws ec2 describe-instances \
               --filter "Name=tag:Name,Values=BatfishSSM" \
               --query "Reservations[].Instances[?State.Name == 'running'].InstanceId[]" \
               --output text)

-> Start StartPortForwardingSessionToRemoteHost through our EC2 Instance to remote ALB on port 9996

aws ssm start-session \
    --target $INSTANCE_ID \
    --document-name AWS-StartPortForwardingSessionToRemoteHost \
    --parameters '{"host":["internal-Batfi-Batfi-1S2SAGIHW8FUA-1303463878.us-west-2.elb.amazonaws.com"],"portNumber":["9996"], "localPortNumber":["9996"]}'

Useful commands

  • npm run build compile typescript to js
  • npm run watch watch for changes and compile
  • npm run test perform the jest unit tests
  • cdk deploy deploy this stack to your default AWS account/region
  • cdk diff compare deployed stack with current state
  • cdk synth emits the synthesized CloudFormation template