Health

resource "aws_ecs_task_definition" "ecs_task" {
  # ignoring other field irrelevant to logs in this example
  container_definitions = jsonencode([
    {
      name      = var.name
      image     = var.container_image
      essential = true
      environment = [
        {
          name  = "DD_VERSION"
          value = "1.0.0"
        },
        {
          name  = "DD_ENV",
          value = "prod"
        },
        {
          name  = "DD_SERVICE"
          value = var.name
        },
        # specify other env vars here
      ],
      logConfiguration = {
        logDriver = "awsfirelens"
        options = {
          "Name"       = "datadog",
          "Host"       = "http-intake.logs.datadoghq.eu",
          "TLS"        = "on",
          "dd_source"  = var.name,
          "provider"   = "ecs",
          "dd_service" = var.name,
          "apikey"     = var.datadog_api_key
        }
      }
      dependsOn = [
        { "containerName" : "log_router", "condition" : "START" },
        { "condition" = "HEALTHY", "containerName" = "datadog-agent" }
      ]
    },
    {
      name              = "log_router"
      image             = "public.ecr.aws/aws-observability/aws-for-fluent-bit:stable"
      memoryReservation = 50,
      firelensConfiguration = {
        "type" = "fluentbit",
        "options" = {
          "enable-ecs-log-metadata" = "true"
        }
      },
    },
    {
      name  = "datadog-agent",
      image = "public.ecr.aws/datadog/agent:latest",
      portMappings = [
        {
          "containerPort" = 8126,
          "hostPort"      = 8126,
          "protocol"      = "tcp"
        }
        {
          # We need this for metrics
          "containerPort" = 4317,
          "hostPort"      = 4317,
          "protocol"      = "tcp"
        }
      ],
      environment = [{
        "name"  = "ECS_FARGATE",
        "value" = "true"
        },
        {
          "name"  = "DD_APM_ENABLED",
          "value" = "true"
        },
        {
          "name"  = "DD_LOGS_ENABLED",
          "value" = "true"
        },
        {
          "name"  = "DD_LOGS_CONFIG_CONTAINER_COLLECT_ALL",
          "value" = "true"
        },
        {
          "name"  = "DD_APM_NON_LOCAL_TRAFFIC",
          "value" = "true"
        },
        {
          "name"  = "DD_API_KEY",
          "value" = var.datadog_api_key
        },
        {
          "name"  = "DD_SITE",
          "value" = "datadoghq.eu"
      }]
    }
  ])
}