#542 Add Unity tf

sds/unity/terraform/add-mmgis.sh

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+#!/bin/bash
+# From https://gist.github.com/jamesmishra/18ee5d7d053db9958d0e4ccbb37f8e1d
+set -Eeuxo pipefail
+# Filesystem code is adapted from:
+# https://github.com/GSA/devsecops-example/blob/03067f68ee2765f8477ae84235f7faa1d2f2cb70/terraform/files/attach-data-volume.sh
+DEVICE=${local.block_device_path}
+DEST=${var.persistent_volume_mount_path}
+devpath=$(readlink -f $DEVICE)
+
+if [[ $(file -s $devpath) != *ext4* && -b $devpath ]]; then
+    # Filesystem has not been created. Create it!
+    mkfs -t ext4 $devpath
+fi
+# add to fstab if not present
+if ! egrep "^$devpath" /etc/fstab; then
+  echo "$devpath $DEST ext4 defaults,nofail,noatime,nodiratime,barrier=0,data=writeback 0 2" | tee -a /etc/fstab > /dev/null
+fi
+mkdir -p $DEST
+mount $DEST
+chown ec2-user:ec2-user $DEST
+chmod 0755 $DEST
+
+# Filesystem code is over
+# Now we install docker and docker-compose.
+# Adapted from:
+# https://gist.github.com/npearce/6f3c7826c7499587f00957fee62f8ee9
+yum update -y
+amazon-linux-extras install docker
+systemctl start docker.service
+usermod -a -G docker ec2-user
+chkconfig docker on
+yum install -y python3-pip
+python3 -m pip install docker-compose
+
+# Put the docker-compose.yml file at the root of our persistent volume
+cat > $DEST/docker-compose.yml <<-TEMPLATE
+${var.docker_compose_str}
+TEMPLATE
+
+# Write the systemd service that manages us bringing up the service
+cat > /etc/systemd/system/mmgis.service <<-TEMPLATE
+[Unit]
+Description=${var.description}
+After=${var.systemd_after_stage}
+[Service]
+Type=simple
+User=${var.user}
+ExecStart=/usr/local/bin/docker-compose -f $DEST/docker-compose.yml up
+Restart=on-failure
+[Install]
+WantedBy=multi-user.target
+TEMPLATE
+
+# Start the service.
+systemctl start mmgis

sds/unity/terraform/bk.tf

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+resource "aws_iam_instance_profile" "unity_mmgis_instance_profile" {
+  name = "unity-mmgis-instance-profile-tf"
+
+  role = var.role
+
+  tags = {
+    Name = "unity_mmgis_instance_profile"
+  }
+}
+
+resource "aws_instance" "unity_mmgis_instance" {
+  ami           = var.ami
+  instance_type = "t3.large"
+
+  tags = {
+    Name = "unity-mmgis-instance-tf"
+  }
+
+  #key_name = var.key_name
+
+  vpc_security_group_ids = [var.sg_id]
+
+  subnet_id = var.subnet_id
+
+  iam_instance_profile = aws_iam_instance_profile.unity_mmgis_instance_profile.name
+
+  block_device_path = "/dev/sdh"
+  user_data = file("./add-mmgis.sh")
+}
+
+resource "aws_ebs_volume" "persistent" {
+    availability_zone = aws_instance.this.availability_zone
+    size = var.persistent_volume_size_gb
+}
+
+resource "aws_volume_attachment" "persistent" {
+    device_name = local.block_device_path
+    volume_id = aws_ebs_volume.persistent.id
+    instance_id = aws_instance.this.id
+}
+
+resource "aws_instance" "this" {
+    ami = data.aws_ami.latest_amazon_linux.id
+    availability_zone = var.availability_zone
+    instance_type = var.instance_type
+    key_name = var.key_name
+    associate_public_ip_address = var.associate_public_ip_address
+    vpc_security_group_ids = var.vpc_security_group_ids
+    subnet_id = var.subnet_id
+    iam_instance_profile = var.iam_instance_profile
+    user_data = local.user_data
+    tags = merge (
+        {
+            Name = var.name
+        },
+        var.tags
+    )
+}

sds/unity/terraform/lb.tf

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+# target group
+resource "aws_lb_target_group" "unity_mmgis_tg_tf" {
+  name        = "unity-mmgis-tg-tf"
+  port        = 8080
+  protocol    = "TCP"
+  target_type = "instance"
+  #vpc_id      = data.aws_vpc.default.id
+  vpc_id      = var.vpc_id
+
+  health_check {
+    enabled             = true
+    protocol            = "HTTP"
+    port                = 8080
+    path                = "/unity/v0/collections/MUR25-JPL-L4-GLOB-v4.2_analysed_sst/processes"
+    interval            = 30
+    timeout             = 10
+    matcher             = 200
+    healthy_threshold   = 5
+    unhealthy_threshold = 2
+  }
+
+  tags = {
+    Name = "unity_mmgis_tg_tf"
+  }
+}
+
+# attach instance
+resource "aws_lb_target_group_attachment" "unity_mmgis_tg_attachment_tf" {
+  target_group_arn = aws_lb_target_group.unity_mmgis_tg_tf.arn
+  target_id        = aws_instance.unity_mmgis_instance.id
+  port             = 8080
+}
+
+# create alb
+resource "aws_lb" "unity-mmgis-lb-tf" {
+  name               = "unity-mmgis-lb-tf"
+  load_balancer_type = "network"
+  internal           = true
+  #security_groups    = [var.sg_id]
+  #security_groups    = []
+  #subnets            = [for subnet in aws_subnet.public : subnet.id]
+  subnets            = var.subnet_ids
+
+  enable_deletion_protection = false
+
+  #access_logs {
+  #  bucket  = "tbd"
+  #  prefix  = "mmgis/tbd/unity-mmgis-lb"
+  #  enabled = true
+  #}
+
+  tags = {
+    Name = "unity-mmgis-lb-tf"
+  }
+}
+
+resource "aws_lb_listener" "unity_mmgis_lb_listener" {
+  load_balancer_arn = aws_lb.unity-mmgis-lb-tf.arn
+  port              = 80
+  protocol          = "TCP"
+
+  default_action {
+    type             = "forward"
+    target_group_arn = aws_lb_target_group.unity_mmgis_tg_tf.arn
+  }
+
+  tags = {
+    Name = "unity_mmgis_lb_listener"
+  }
+}

sds/unity/terraform/main.tf

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+data "aws_ssm_parameter" "vpc_id" {
+  name = "/unity/account/network/vpc_id"
+}
+
+data "aws_ssm_parameter" "subnet_list" {
+  name = "/unity/account/network/subnet_list"
+}
+
+#data "aws_ssm_parameter" "u-cs-ecs" {
+#  name = "/unity/account/ecs/execution_role_arn"
+#}
+
+module "base" {
+  source                   = ""
+  project                  = var.project
+  venue                    = var.venue
+  subsystem                = var.subsystem
+  capability               = var.capability
+  custom_url               = var.custom_url
+  groups                   = var.groups
+  api                      = var.api
+  component                = var.component
+  desired_count            = var.desired_count
+  app_protocol             = var.app_protocol
+  app_listening_port       = var.app_listening_port
+  environment              = local.environment_vars
+  ecr_uri                  = var.ecr_uri
+  docker_image_name        = var.docker_image_name
+  docker_image_tag         = var.docker_image_tag
+  max_capacity             = var.max_capacity
+  app_one_ecs              = var.app_one_ecs
+  instance_type            = var.instance_type
+  ebs_block_device_size    = var.ebs_block_device_size
+  root_block_device_size   = var.root_block_device_size
+  ebs_mount_directory      = var.ebs_mount_directory
+  application_endpoint_url = var.application_endpoint_url
+  terraform_app_commit     = var.terraform_app_commit
+  deployment_method        = var.deployment_method
+  secrets                  = local.secrets
+  docker_volume_path       = var.docker_volume_path
+  efs_config = {
+    efs_id             = var.efs_id
+    efs_root_directory = var.efs_root_directory
+  }
+}
+
+locals {
+  subnet_map = jsondecode(data.aws_ssm_parameter.subnet_list.value)
+  subnet_ids = nonsensitive(local.subnet_map["private"])
+  public_subnet_ids = nonsensitive(local.subnet_map["public"])
+}
+
+
+# Application environment variables
+locals {
+  environment_vars = {
+    AWS_DEFAULT_REGION      = module.base.aws_region
+    DOMAIN                  = module.base.cname
+    SERVER                  = var.server
+    AUTH                    = var.auth
+    NODE_ENV                = var.node_env
+    DB_HOST                 = var.db_host
+    DB_PORT                 = var.db_port
+    DB_NAME                 = var.db_name
+    DB_USER                 = var.db_user
+    PORT                    = var.app_listening_port
+    DB_POOL_MAX             = var.db_pool_max
+    DB_POOL_TIMEOUT         = var.db_pool_timeout
+    DB_POOL_IDLE            = var.db_pool_idle
+    CSSO_GROUPS             = var.csso_groups
+    VERBOSE_LOGGING         = var.verbose_logging
+    FRAME_ANCESTORS         = var.frame_ancestors
+    FRAME_SRC               = var.frame_src
+    THIRD_PARTY_COOKIES     = var.third_party_cookies
+    ROOT_PATH               = var.root_path
+    WEBSOCKET_ROOT_PATH     = var.websocket_root_path
+    CLEARANCE_NUMBER        = var.clearance_number
+    DISABLE_LINK_SHORTENER  = var.disable_link_shortener
+    HIDE_CONFIG             = var.hide_config
+    FORCE_CONFIG_PATH       = var.force_config_path
+    LEADS                   = "[${join(", ", formatlist("\"%s\"", var.leads))}]"
+    ENABLE_MMGIS_WEBSOCKETS = var.enable_mmgis_websockets
+    ENABLE_CONFIG_WEBSOCKETS = var.enable_config_websockets
+    ENABLE_CONFIG_OVERRIDE  = var.enable_config_override
+    MAIN_MISSION            = var.main_mission
+    SKIP_CLIENT_INITIAL_LOGIN = var.skip_client_initial_login
+    GENERATE_SOURCEMAP      = var.generate_sourcemap
+    SPICE_SCHEDULED_KERNEL_DOWNLOAD = var.spice_scheduled_kernel_download
+    SPICE_SCHEDULED_KERNEL_DOWNLOAD_ON_START = var.spice_scheduled_kernel_download_on_start
+    SPICE_SCHEDULED_KERNEL_cron_expr = var.spice_scheduled_kernel_cron_expr
+  }
+}
+
+locals {
+  secrets = {
+    SECRET       = var.secret
+    DB_PASS      = var.db_pass
+  }
+}

sds/unity/terraform/output.tf

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+# We try to match the API contract that `aws_instance` has.
+# Descriptions for these outputs are copied from:
+# https://www.terraform.io/docs/providers/aws/r/instance.html
+output "id" {
+    description = "The instance ID"
+    value = aws_instance.this.id
+}
+
+output "arn" {
+    description = "The ARN of the instance"
+    value = aws_instance.this.arn
+}
+
+output "availability_zone" {
+    description = "The availability zone of the instance"
+    value = aws_instance.this.availability_zone
+}
+
+output "placement_group" {
+    description = "The placement group of the instance"
+    value = aws_instance.this.placement_group
+}
+
+output "public_dns" {
+    description = "The public DNS name assigned to the instance. For EC2-VPC, this is only available if you've enabled DNS hostnames for your VPC"
+    value = aws_instance.this.public_dns
+}
+
+output "public_ip" {
+    description  = "The public IP address assigned to the instance, if applicable. NOTE: If you are using an aws_eip with your instance, you should refer to the EIP's address directly and not use public_ip, as this field will change after the EIP is attached."
+    value = aws_instance.this.public_ip
+}
+
+output "ipv6_addresses" {
+    description = "A list of assigned IPv6 addresses, if any"
+    value = aws_instance.this.ipv6_addresses
+}
+
+output "primary_network_interface_id" {
+    description = "The ID of the instance's primary network interface"
+    value = aws_instance.this.primary_network_interface_id
+}
+
+output "private_dns" {
+    description = " The private DNS name assigned to the instance. Can only be used inside the Amazon EC2, and only available if you've enabled DNS hostnames for your VPC"
+    value = aws_instance.this.private_dns
+}
+
+output "private_ip" {
+    description = "The private IP address assigned to the instance"
+    value = aws_instance.this.private_ip
+}
+
+output "security_groups" {
+    description = " The associated security groups."
+    value = aws_instance.this.security_groups
+}
+
+output "vpc_security_group_ids" {
+    description = "The associated security groups in non-default VPC."
+    value = aws_instance.this.vpc_security_group_ids
+}
+
+output "subnet_id" {
+    description = "The VPC subnet ID."
+    value = aws_instance.this.subnet_id
+}
+
+output "credit_specification" {
+    description = " Credit specification of instance."
+    value = aws_instance.this.credit_specification
+}
+
+output "instance_state" {
+    description = "The state of the instance. One of: pending, running, shutting-down, terminated, stopping, stopped. See Instance Lifecycle for more information."
+    value = aws_instance.this.instance_state
+}
+
+# TODO: This is a list with the `aws_instance` resource and we are just
+# returning a string. I know there is an obvious solution for this...
+output "ebs_block_device_id" {
+    description = "The persistent block device that we are storing information on."
+    value = aws_ebs_volume.persistent.id
+}