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Terraform for Launchpad on AWS

A terraform module for preparing a basic AWS EC2 cluster for Launchpad installation.

[Launchpad]{https://docs.mirantis.com/mke/3.7/launchpad.html} is the Mirantis tool for installation of Mirantis Containers products. The tool can work with any properly prepared accessible cluster, This module can create a basic simple cluster, and provide the appropriate Launchpad configuration for use with Launchpad.

Prerequisites

  • An AWS account with access to creates VPC/EC2 resources
  • Terraform installed

Authentication

The AWS terraform provider is used. It requires standard authentication either via environment variables or using the aws cli.

Usage

Use the module to create a basic AWS VPC and EC2 cluster with HCL as follows:

module "provision" {
  source = "terraform-mirantis-modules/launchpad-aws/mirantis"

  aws_region = "us-east-2"

  cluster_name = "my-cluster" 

  master_count = 1
  worker_count = 3
  msr_count    = 1
}

Then use the mke_cluster output for the launchpad yaml:

terraform output -raw mke_cluster > launchpad.yaml
launchpad apply

Cluster Components

Cluster composition can be managed using simple input controls for swarm managers, workers, MSR replicas. Windows workers also have their own controls matching controls.

manager_count       = 3            // 3 machines will be created
manager_type        = "t3.2xlarge" // machine node type
manager_volume_size = 100GB        // machine volume size

Product configuration

While the Terraform module does not run launchpad, it does prepare the Launchpad configuration file for you. Because of this you can provide inputs that will then get included into the Launchpad yaml.

Each product's installation targets can be configured:

mcr_channel  = "stable"
mcr_repo_url = "https://repos.mirantis.com"
mcr_version  = "23.0.3"

mke_image_repo    = "docker.io/mirantis"
mke_install_flags = [ "--nodeport-range=32768-35535" ]
mke_version       = "3.6.3"

msr_image_repo = "docker.io/mirantis"
msr_install_flags = [ "--ucp-insecure-tls" ]
msr_version        = "2.9.11"
msr_replica_config = "sequential"

Specifically, the MKE authentication can be set

admin_password = "mirantisadmin"
admin_username = "admin"

Windows workers

This module supports windows workers. You need only specify the node configuration and also incluse a windows admin password.