Create a launch configuration for the infrastructure node

Go to
Services > Compute > EC2
.
In the left menu, click
Auto Scaling > Launch Configurations
.
Click
Create launch configuration
.
In
Name
, enter a name for your launch configuration, such as
pc-infra-node
.
In Amazon machine image, select
Amazon ECS-Optimized Amazon Linux 2 AMI
.
You can get a complete list of per-region Amazon ECS-optimized AMIs from here.
Under instance type, select
t2.xlarge
.
Under
Additional Configuration
:
In
IAM instance profile
, select
ecsInstanceRole
.
If this role doesn’t exist, create it. For complete details, see Amazon ECS Container Instance IAM Role.
Under
User data
, select
Text
, and paste the following code snippet, which installs the NFS utilities and mounts the EFS file system:
#!/bin/bash
cat <<'EOF' >> /etc/ecs/ecs.config
ECS_CLUSTER=pc-ecs-cluster
ECS_INSTANCE_ATTRIBUTES={"purpose": "infra"}
EOF

yum install -y nfs-utils
mkdir /twistlock_console
<CONSOLE_MOUNT_COMMAND> /twistlock_console

mkdir -p /twistlock_console/var/lib/twistlock
mkdir -p /twistlock_console/var/lib/twistlock-backup
mkdir -p /twistlock_console/var/lib/twistlock-config
ECS_CLUSTER
must match your cluster name. If you’ve named your cluster something other than
pc-ecs-cluster
, then update the user data script accordingly.
<CONSOLE_MOUNT_COMMAND>
is the Console mount command you copied from the AWS Management Console after creating your console EFS file system. The mount target must be /twistlock_console, not the efs mount target provided in the sample command.
(Optional) In
IP Address Type
, select
Assign a public IP address to every instance
.
With this option, you can easily SSH to this instance to troubleshoot issues.
Under
Security groups
:
Select
Select an existing security group
.
Select
pc-security-group
.
Under
Key pair (login)
, select an existing key pair, or create a new key pair so that you can access your instances.
Click
Create launch configuration
.