aws ecs describe-task-definition

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https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ecs/describe-task-definition.html 

aws ecs describe-task-definition --task-definition hello_world:8
aws ecs describe-task-definition --task-definition hello_world

Describe all task definitions: 

 for TASK in $(aws ecs list-task-definitions | grep arn  | cut -d"/" -f2 | cut -d'"' -f1); do aws ecs describe-task-definition --task-definition $TASK; done

Official output[edit]

{
   "taskDefinition": {
       "volumes": [],
       "taskDefinitionArn": "arn:aws:ecs:us-west-2:123456789012:task-definition/hello_world:8",
       "containerDefinitions": [
           {
               "environment": [],
               "name": "wordpress",
               "links": [
                   "mysql"
               ],
               "mountPoints": [],
               "image": "wordpress",
               "essential": true,
               "portMappings": [
                   {
                       "containerPort": 80,
                       "hostPort": 80
                   }
               ],
               "memory": 500,
               "cpu": 10,
               "volumesFrom": []
           },
           {
               "environment": [
                   {
                       "name": "MYSQL_ROOT_PASSWORD",
                       "value": "password"
                   }
               ],
               "name": "mysql",
               "mountPoints": [],
               "image": "mysql",
               "cpu": 10,
               "portMappings": [],
               "memory": 500,
               "essential": true,
               "volumesFrom": []
           }
       ],
       "family": "hello_world",
       "revision": 8
   }
}

Additional outputs[edit]

.../...
                "logConfiguration": {
                    "logDriver": "awslogs",
                    "options": {
                        "awslogs-group": "YOUR_log_group",
                        "awslogs-region": "eu-central-1",
                        "awslogs-stream-prefix": "api"
                    },
                    "secretOptions": []
                },
                "systemControls": []
            }
.../...
       ],
       "placementConstraints": [],
       "compatibilities": [
           "EC2",
           "FARGATE"
       ],
       "requiresCompatibilities": [
           "FARGATE"
       ],
       "cpu": "1024",
       "memory": "2048",
       "registeredAt": "2022-05-11T14:30:32.103000+02:00",
       "registeredBy": "arn:aws:iam::0987654321:user/your_ci_user"
   }
}

Without task definition[edit]

aws ecs describe-task-definition

usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
To see help text, you can run:

  aws help
  aws <command> help
  aws <command> <subcommand> help

aws: error: the following arguments are required: --task-definition

Related[edit]

See also[edit]

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