modzy / terraform-aws-modzy-env

This Terraform module will provision all the infrastructure necessary to run a Modzy environment in AWS

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Modzy Environment Terraform Module

This Terraform module will provision all the infrastructure necessary to run a Modzy environment in AWS.

Usage

Create Terraform template file with content as below, insert the variables:

(Refer to the Modzy Deployment Guide for full usage/configuration details)

module "modzy-env" {
  source  = "modzy/modzy-env/aws"
  version = "1.0.0"
  # insert (required) input variables here
}

Inputs

Name Description Type Default Required
admin_email The email address of the first Modzy user who will be created as a Platform Administrator string yes
aws_region The AWS Region that this deployment will be made in. string yes
aws_profile The AWS CLI profile to use to provide credentials to automate AWS resources. string yes
installation_identifier The installation identifier. This value will be used to tag prefix all resource names for easy identification. This identifier should be unique for the AWS account it is being deployed in. string yes
fqdn The fully-qualified domain name (FQDN) that will be used to access this installation of Modzy. string yes
k8s_version The version of Kubernetes to deploy. (Note: 1.21 is most recent version tested with) string 1.21
management_cidrs A list of CIDRs that are considered part of your management network. These CIDRs will automatically be added to various security groups to allow direct access to internal resources. It is highly recommended that these only include private networks accessed via VPN or bastion host/jump box. list(string) yes
admin_role_arn The AWS IAM Role ARN that will be granted full access to the EKS cluster. string yes
tags A map of tags that will be applied to every AWS object that supports tags. NOTE: An additional "ModzyInstallation" tag will automatically be added who's value is the installation_identifier specified above. map(string) no
vpc_id The VPC ID to deploy resources into. string yes
public_subnets A list of the subnets (ids) that are considered "public" and can be accessed directly. These are used primarily to deploy AWS Load Balancers into. list(string) yes
platform_subnets A list of the subnets that should be used for the EKS nodes that will run Modzy's platform services. These subnets should not be directly accessible. list(string) yes
model_subnets A list of the subnets that should be used for the EKS nodes that will run Modzy models. This list can be the same as platform_subnets or it can be different if you want to exercise more/different control over the Network ACLs for model nodes. list(string) yes
db_subnets A list of the subnets that should be used for the RDS database. This list can be the same as platform_subnets or it can be different if you want to exercise more/different control over the Network ACLs for model nodes. list(string) yes
worker_ami_id The AMI ID to use for platform nodes. (Latest Kubernetes 1.21 CPU AMI Id is availabe in AWS SSM Parameter - /aws/service/eks/optimized-ami/1.21/amazon-linux-2/recommended/image_id) string yes
ec2_keypair_name The EC2 Keypair name to assign to all EKS nodes. string yes
app_node_instance_type Instance type for EKS nodes string m5.xlarge yes
model_node_groups A list of the additional node groups to attach to EKS for running models. These node groups will deploy into the subnets specified in model_subnets above. This list can be customized based on the demands of the models you plan to run.

NOTE: Terraform manages this as a list. To avoid unexpected downtime, set all the asg_* values to 0 for node groups you no longer wish to use. If you remove one of the items, it will cause every nodegroup defined after to get destroyed and re-deployed which would result in some significant downtime. Please pay extra attention to the actions listed by terraform plan when changing this variable.

NOTE: The latest AWS AMI IDs for CPU and GPU nodes are available in the following SSM parameters:

CPU - /aws/service/eks/optimized-ami/1.21/amazon-linux-2/recommended/image_id

GPU - /aws/service/eks/optimized-ami/1.21/amazon-linux-2-gpu/recommended/image_id

list(object) yes
cluster_autoscaler_namespace Namespace for the kubernetes cluster autoscaler string kube-system yes
cluster_autoscaler_serviceaccount_name Name for the kubernetes cluster autoscaler service account string cluster-autoscaler yes
cluster_endpoint_public_access Indicates whether or not the EKS public API server endpoint is enabled bool false no
cluster_endpoint_public_access_cidrs List of CIDR blocks which can access to the EKS cluster public API endpoint (set appropriate CIDR block(s) to restrict access as desired if cluster_endpoint_public_access is set to true) list(string) ["0.0.0.0/0"] no
db_instance_type RDS database class string db.t3.large yes
db_multi_az High availability (multi-az) mode setting. Note: This should be set to true for a production environment bool false yes
db_database_name Name for the Modzy database string modzy yes
db_username Username for the database user string modzyadmin yes
db_volume_size_in_gb Storage size (GB) for the Modzy database number 10 yes
db_volume_max_size_in_gb Maximum storage threshold (GB) for the Modzy database number 50 yes
db_storage_type Database storage type string gp2 yes
db_engine_version Database engine version string 12.7 yes
db_engine_family Database engine family string postgres12 yes
smtp_port SMTP Port number 587 yes
modzy_namespace Kubernetes namespace for the modzy deployment string modzy yes
ingress_min_replicas Minium number of ingress pod replicas number 2 yes
ingress_max_replicas Maximum number of ingress pod replicas number 3 yes
ingress_visibility_public Determines if an external load balancer is configured (set to false for internal load balancer) bool false yes
ingress_source_cidrs_whitelist Ingress source CIDRs whitelist list(string) ["0.0.0.0/0"] yes
replicated_config_output_path Filesystem location to write out the rendered Replicated config (defaults to the current directory) string ./ yes
ecr_base Modzy container repository string proxy.replicated.com/proxy/modzy/131723959220.dkr.ecr.us-east-1.amazonaws.com yes
force_deletion_of_all_resources Setting this to true will bypass the lifecycle settings to prevent destruction of persistent data resources like S3 buckets, etc. on environment decommission/destruction. USE AT YOUR OWN RISK! This will allow the resources to be permanently deleted bool false yes

Sample Input

The following is a list of sample values for the input variables described above.

  admin_email = "john.doe@acmecorp.com"

  aws_region = "us-east-1"

  aws_profile = "my-aws-profile"

  installation_identifier = "modzy-install-1"

  fqdn = "modzy.mydomain.com"

  k8s_version = "1.21"

  management_cidrs = [
    "10.x.x.x/x"
  ]

  admin_role_arn = "arn:aws:iam::0123456789:role/RoleName"

  tags = {
    "Customer" = "Acme Corp"
  }

  vpc_id = "vpc-0123456789abcde"

  public_subnets = [
    "subnet-0111111111111111a",
    "subnet-0111111111111111b",
    "subnet-0111111111111111c",
  ]

  platform_subnets = [
    "subnet-0222222222222222a",
    "subnet-0222222222222222b",
    "subnet-0222222222222222c"
  ]

  model_subnets = [
    "subnet-0222222222222222a",
    "subnet-0222222222222222b",
    "subnet-0222222222222222c"
  ]

  db_subnets = [
    "subnet-0333333333333333a",
    "subnet-0333333333333333b",
  ]

  worker_ami_id = "ami-workeramiid123"

  ec2_keypair_name = "modzy-nodes"

  model_node_groups = [
    {
      name = "small-cpu"
      ami_id = "ami-CPUamiid123"
      instance_type = "m5.large"
      asg_desired_capacity = 0
      asg_min_size = 0
      asg_max_size = 3
    },
    {
      name = "medium-cpu"
      ami_id = "ami-CPUamiid123"
      instance_type = "m5.xlarge"
      asg_desired_capacity = 0
      asg_min_size = 0
      asg_max_size = 3
    },
    {
      name = "large-cpu"
      ami_id = "ami-CPUamiid123"
      instance_type = "m5.2xlarge"
      asg_desired_capacity = 0
      asg_min_size = 0
      asg_max_size = 3
    },
    {
      name = "small-gpu"
      ami_id = "ami-GPUamiid123"
      instance_type = "g4dn.xlarge"
      asg_desired_capacity = 0
      asg_min_size = 0
      asg_max_size = 1
    },
    {
      name = "medium-gpu"
      ami_id = "ami-GPUamiid123"
      instance_type = "p2.xlarge"
      asg_desired_capacity = 0
      asg_min_size = 0
      asg_max_size = 1
    }
  ]

About

This Terraform module will provision all the infrastructure necessary to run a Modzy environment in AWS


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