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provider/aws: add aws_ecs_task_definition datasource (hashicorp#8509)
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‎builtin/providers/aws/data_source_aws_ecs_task_definition.go‎

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package aws
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import (
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"fmt"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ecs"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func dataSourceAwsEcsTaskDefinition() *schema.Resource {
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return &schema.Resource{
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Read: dataSourceAwsEcsTaskDefinitionRead,
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Schema: map[string]*schema.Schema{
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"task_definition": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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// Computed values.
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"family": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"network_mode": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"revision": &schema.Schema{
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Type: schema.TypeInt,
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Computed: true,
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},
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"status": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"task_role_arn": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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},
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}
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}
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func dataSourceAwsEcsTaskDefinitionRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ecsconn
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desc, err := conn.DescribeTaskDefinition(&ecs.DescribeTaskDefinitionInput{
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TaskDefinition: aws.String(d.Get("task_definition").(string)),
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})
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if err != nil {
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return err
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}
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taskDefinition := *desc.TaskDefinition
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d.SetId(aws.StringValue(taskDefinition.TaskDefinitionArn))
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d.Set("family", aws.StringValue(taskDefinition.Family))
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d.Set("network_mode", aws.StringValue(taskDefinition.NetworkMode))
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d.Set("revision", aws.Int64Value(taskDefinition.Revision))
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d.Set("status", aws.StringValue(taskDefinition.Status))
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d.Set("task_role_arn", aws.StringValue(taskDefinition.TaskRoleArn))
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if d.Id() == "" {
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return fmt.Errorf("task definition %q not found", d.Get("task_definition").(string))
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}
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return nil
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}

‎builtin/providers/aws/data_source_aws_ecs_task_definition_test.go‎

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package aws
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import (
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"regexp"
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"testing"
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"github.com/hashicorp/terraform/helper/resource"
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)
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func TestAccAWSEcsDataSource_ecsTaskDefinition(t *testing.T) {
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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Steps: []resource.TestStep{
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resource.TestStep{
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Config: testAccCheckAwsEcsTaskDefinitionDataSourceConfig,
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Check: resource.ComposeTestCheckFunc(
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resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "id", regexp.MustCompile("^arn:aws:ecs:us-west-2:[0-9]{12}:task-definition/mongodb:[1-9]*[0-9]$")),
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resource.TestCheckResourceAttr("data.aws_ecs_task_definition.mongo", "family", "mongodb"),
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resource.TestCheckResourceAttr("data.aws_ecs_task_definition.mongo", "network_mode", "bridge"),
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resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "revision", regexp.MustCompile("^[1-9]*[0-9]$")),
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resource.TestCheckResourceAttr("data.aws_ecs_task_definition.mongo", "status", "ACTIVE"),
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resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "task_role_arn", regexp.MustCompile("^arn:aws:iam::[0-9]{12}:role/mongo_role$")),
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),
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},
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},
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})
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}
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const testAccCheckAwsEcsTaskDefinitionDataSourceConfig = `
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resource "aws_iam_role" "mongo_role" {
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name = "mongo_role"
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assume_role_policy = <<POLICY
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Action": "sts:AssumeRole",
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"Principal": {
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"Service": "ec2.amazonaws.com"
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},
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"Effect": "Allow",
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"Sid": ""
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}
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]
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}
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POLICY
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}
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resource "aws_ecs_task_definition" "mongo" {
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family = "mongodb"
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task_role_arn = "${aws_iam_role.mongo_role.arn}"
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network_mode = "bridge"
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container_definitions = <<DEFINITION
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[
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{
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"cpu": 128,
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"environment": [{
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"name": "SECRET",
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"value": "KEY"
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}],
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"essential": true,
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"image": "mongo:latest",
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"memory": 128,
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"memoryReservation": 64,
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"name": "mongodb"
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}
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]
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DEFINITION
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}
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data "aws_ecs_task_definition" "mongo" {
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task_definition = "${aws_ecs_task_definition.mongo.family}"
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}
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`

‎builtin/providers/aws/provider.go‎

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"aws_ebs_snapshot": dataSourceAwsEbsSnapshot(),
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"aws_ebs_volume": dataSourceAwsEbsVolume(),
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"aws_ecs_container_definition": dataSourceAwsEcsContainerDefinition(),
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"aws_ecs_task_definition": dataSourceAwsEcsTaskDefinition(),
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"aws_eip": dataSourceAwsEip(),
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"aws_elb_hosted_zone_id": dataSourceAwsElbHostedZoneId(),
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"aws_elb_service_account": dataSourceAwsElbServiceAccount(),

‎website/source/docs/providers/aws/d/ecs_task_definition.html.markdown‎

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---
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layout: "aws"
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page_title: "AWS: aws_ecs_task_definition"
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sidebar_current: "docs-aws-datasource-ecs-task-definition"
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description: |-
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Provides details about an ecs task definition
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---
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# aws\_ecs\_task\_definition
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The ECS task definition data source allows access to details of
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a specific AWS ECS task definition.
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## Example Usage
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```
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# Simply specify the family to find the latest ACTIVE revision in that family.
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data "aws_ecs_task_definition" "mongo" {
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task_definition = "${aws_ecs_task_definition.mongo.family}"
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}
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resource "aws_ecs_cluster" "foo" {
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name = "foo"
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}
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resource "aws_ecs_task_definition" "mongo" {
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family = "mongodb"
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container_definitions = <<DEFINITION
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[
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{
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"cpu": 128,
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"environment": [{
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"name": "SECRET",
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"value": "KEY"
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}],
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"essential": true,
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"image": "mongo:latest",
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"memory": 128,
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"memoryReservation": 64,
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"name": "mongodb"
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}
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]
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DEFINITION
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}
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resource "aws_ecs_service" "mongo" {
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name = "mongo"
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cluster = "${aws_ecs_cluster.foo.id}"
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desired_count = 2
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# Track the latest ACTIVE revision
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task_definition = "${aws_ecs_task_definition.mongo.family}:${max("${aws_ecs_task_definition.mongo.revision}", "${data.aws_ecs_task_definition.mongo.revision}")}"
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}
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```
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## Argument Reference
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The following arguments are supported:
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* `task_definition` - (Required) The family for the latest ACTIVE revision, family and revision (family:revision) for a specific revision in the family, the ARN of the task definition to access to.
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## Attributes Reference
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The following attributes are exported:
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* `family` - The family of this task definition
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* `network_mode` - The Docker networking mode to use for the containers in this task.
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* `revision` - The revision of this task definition
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* `status` - The status of this task definition
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* `task_role_arn` - The ARN of the IAM role that containers in this task can assume

‎website/source/layouts/aws.erb‎

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<li<%= sidebar_current("docs-aws-datasource-ecs-container-definition") %>>
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<a href="/docs/providers/aws/d/ecs_container_definition.html">aws_ecs_container_definition</a>
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</li>
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<li<%= sidebar_current("docs-aws-datasource-ecs-task-definition") %>>
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<a href="/docs/providers/aws/d/ecs_task_definition.html">aws_ecs_task_definition</a>
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</li>
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<li<%= sidebar_current("docs-aws-datasource-elb-hosted-zone-id") %>>
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<a href="/docs/providers/aws/d/elb_hosted_zone_id.html">aws_elb_hosted_zone_id</a>
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</li>

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