openapi: 3.0.0
info:
  version: 2011-01-01
  x-release: v4
  title: 'Auto Scaling #Action=AttachInstances #Action=AttachInstances #Action=DescribeLoadBalancers API'
  description: <fullname>Amazon EC2 Auto Scaling</fullname> <p>Amazon EC2 Auto Scaling is designed to automatically launch and terminate EC2 instances based on user-defined scaling policies, scheduled actions, and health checks.</p> <p>For more information, see the <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/">Amazon EC2 Auto Scaling User Guide</a> and the <a href="https://docs.aws.amazon.com/autoscaling/ec2/APIReference/Welcome.html">Amazon EC2 Auto Scaling API Reference</a>.</p>
  x-logo:
    url: https://api.apis.guru/v2/cache/logo/https_twitter.com_awscloud_profile_image.png
    backgroundColor: '#FFFFFF'
  termsOfService: https://aws.amazon.com/service-terms/
  contact:
    name: Mike Ralphson
    email: mike.ralphson@gmail.com
    url: https://github.com/mermade/aws2openapi
    x-twitter: PermittedSoc
  license:
    name: Apache 2.0 License
    url: http://www.apache.org/licenses/
  x-providerName: amazonaws.com
  x-serviceName: autoscaling
  x-origin:
  - contentType: application/json
    url: https://raw.githubusercontent.com/aws/aws-sdk-js/master/apis/autoscaling-2011-01-01.normal.json
    converter:
      url: https://github.com/mermade/aws2openapi
      version: 1.0.0
    x-apisguru-driver: external
  x-apiClientRegistration:
    url: https://portal.aws.amazon.com/gp/aws/developer/registration/index.html?nc2=h_ct
  x-apisguru-categories:
  - cloud
  x-preferred: true
servers:
- url: http://autoscaling.{region}.amazonaws.com
  variables:
    region:
      description: The AWS region
      enum:
      - us-east-1
      - us-east-2
      - us-west-1
      - us-west-2
      - us-gov-west-1
      - us-gov-east-1
      - ca-central-1
      - eu-north-1
      - eu-west-1
      - eu-west-2
      - eu-west-3
      - eu-central-1
      - eu-south-1
      - af-south-1
      - ap-northeast-1
      - ap-northeast-2
      - ap-northeast-3
      - ap-southeast-1
      - ap-southeast-2
      - ap-east-1
      - ap-south-1
      - sa-east-1
      - me-south-1
      default: us-east-1
  description: The Auto Scaling multi-region endpoint
- url: https://autoscaling.{region}.amazonaws.com
  variables:
    region:
      description: The AWS region
      enum:
      - us-east-1
      - us-east-2
      - us-west-1
      - us-west-2
      - us-gov-west-1
      - us-gov-east-1
      - ca-central-1
      - eu-north-1
      - eu-west-1
      - eu-west-2
      - eu-west-3
      - eu-central-1
      - eu-south-1
      - af-south-1
      - ap-northeast-1
      - ap-northeast-2
      - ap-northeast-3
      - ap-southeast-1
      - ap-southeast-2
      - ap-east-1
      - ap-south-1
      - sa-east-1
      - me-south-1
      default: us-east-1
  description: The Auto Scaling multi-region endpoint
- url: http://autoscaling.amazonaws.com
  variables: {}
  description: The general Auto Scaling endpoint for US East (N. Virginia)
- url: https://autoscaling.amazonaws.com
  variables: {}
  description: The general Auto Scaling endpoint for US East (N. Virginia)
- url: http://autoscaling.{region}.amazonaws.com.cn
  variables:
    region:
      description: The AWS region
      enum:
      - cn-north-1
      - cn-northwest-1
      default: cn-north-1
  description: The Auto Scaling endpoint for China (Beijing) and China (Ningxia)
- url: https://autoscaling.{region}.amazonaws.com.cn
  variables:
    region:
      description: The AWS region
      enum:
      - cn-north-1
      - cn-northwest-1
      default: cn-north-1
  description: The Auto Scaling endpoint for China (Beijing) and China (Ningxia)
security:
- hmac: []
tags:
- name: '#Action=DescribeLoadBalancers'
paths:
  /#Action=DescribeLoadBalancers:
    parameters:
    - $ref: '#/components/parameters/X-Amz-Content-Sha256'
    - $ref: '#/components/parameters/X-Amz-Date'
    - $ref: '#/components/parameters/X-Amz-Algorithm'
    - $ref: '#/components/parameters/X-Amz-Credential'
    - $ref: '#/components/parameters/X-Amz-Security-Token'
    - $ref: '#/components/parameters/X-Amz-Signature'
    - $ref: '#/components/parameters/X-Amz-SignedHeaders'
    get:
      x-aws-operation-name: DescribeLoadBalancers
      operationId: GET_DescribeLoadBalancers
      description: '<note> <p>This API operation is superseded by <a>DescribeTrafficSources</a>, which can describe multiple traffic sources types. We recommend using <code>DescribeTrafficSources</code> to simplify how you manage traffic sources. However, we continue to support <code>DescribeLoadBalancers</code>. You can use both the original <code>DescribeLoadBalancers</code> API operation and <code>DescribeTrafficSources</code> on the same Auto Scaling group.</p> </note> <p>Gets information about the load balancers for the specified Auto Scaling group.</p> <p>This operation describes only Classic Load Balancers. If you have Application Load Balancers, Network Load Balancers, or Gateway Load Balancers, use the <a>DescribeLoadBalancerTargetGroups</a> API instead.</p> <p>To determine the attachment status of the load balancer, use the <code>State</code> element in the response. When you attach a load balancer to an Auto Scaling group, the initial <code>State</code> value is <code>Adding</code>. The state transitions to <code>Added</code> after all Auto Scaling instances are registered with the load balancer. If Elastic Load Balancing health checks are enabled for the Auto Scaling group, the state transitions to <code>InService</code> after at least one Auto Scaling instance passes the health check. When the load balancer is in the <code>InService</code> state, Amazon EC2 Auto Scaling can terminate and replace any instances that are reported as unhealthy. If no registered instances pass the health checks, the load balancer doesn''t enter the <code>InService</code> state. </p> <p>Load balancers also have an <code>InService</code> state if you attach them in the <a>CreateAutoScalingGroup</a> API call. If your load balancer state is <code>InService</code>, but it is not working properly, check the scaling activities by calling <a>DescribeScalingActivities</a> and take any corrective actions necessary.</p> <p>For help with failed health checks, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/ts-as-healthchecks.html">Troubleshooting Amazon EC2 Auto Scaling: Health checks</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>. For more information, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/autoscaling-load-balancer.html">Use Elastic Load Balancing to distribute traffic across the instances in your Auto Scaling group</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>. </p>'
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/DescribeLoadBalancersResponse'
              examples:
                GET_DescribeLoadBalancers200Example:
                  summary: Default GET_DescribeLoadBalancers 200 response
                  x-microcks-default: true
                  value:
                    LoadBalancers: example-string
                    NextToken: example-string
        '480':
          description: ResourceContentionFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ResourceContentionFault'
              examples:
                GET_DescribeLoadBalancers480Example:
                  summary: Default GET_DescribeLoadBalancers 480 response
                  x-microcks-default: true
                  value: {}
        '481':
          description: InvalidNextToken
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/InvalidNextToken'
              examples:
                GET_DescribeLoadBalancers481Example:
                  summary: Default GET_DescribeLoadBalancers 481 response
                  x-microcks-default: true
                  value: {}
      parameters:
      - name: AutoScalingGroupName
        in: query
        required: true
        description: The name of the Auto Scaling group.
        schema:
          type: string
          minLength: 1
          maxLength: 255
          x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
      - name: NextToken
        in: query
        required: false
        description: The token for the next set of items to return. (You received this token from a previous call.)
        schema:
          type: string
          x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
      - name: MaxRecords
        in: query
        required: false
        description: The maximum number of items to return with this call. The default value is <code>100</code> and the maximum value is <code>100</code>.
        schema:
          type: integer
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - DescribeLoadBalancers
      - name: Version
        in: query
        required: true
        schema:
          type: string
          enum:
          - 2011-01-01
      summary: Amazon EC2 Auto Scaling GET_ Describe Load Balancers
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#Action=DescribeLoadBalancers'
    post:
      x-aws-operation-name: DescribeLoadBalancers
      operationId: POST_DescribeLoadBalancers
      description: '<note> <p>This API operation is superseded by <a>DescribeTrafficSources</a>, which can describe multiple traffic sources types. We recommend using <code>DescribeTrafficSources</code> to simplify how you manage traffic sources. However, we continue to support <code>DescribeLoadBalancers</code>. You can use both the original <code>DescribeLoadBalancers</code> API operation and <code>DescribeTrafficSources</code> on the same Auto Scaling group.</p> </note> <p>Gets information about the load balancers for the specified Auto Scaling group.</p> <p>This operation describes only Classic Load Balancers. If you have Application Load Balancers, Network Load Balancers, or Gateway Load Balancers, use the <a>DescribeLoadBalancerTargetGroups</a> API instead.</p> <p>To determine the attachment status of the load balancer, use the <code>State</code> element in the response. When you attach a load balancer to an Auto Scaling group, the initial <code>State</code> value is <code>Adding</code>. The state transitions to <code>Added</code> after all Auto Scaling instances are registered with the load balancer. If Elastic Load Balancing health checks are enabled for the Auto Scaling group, the state transitions to <code>InService</code> after at least one Auto Scaling instance passes the health check. When the load balancer is in the <code>InService</code> state, Amazon EC2 Auto Scaling can terminate and replace any instances that are reported as unhealthy. If no registered instances pass the health checks, the load balancer doesn''t enter the <code>InService</code> state. </p> <p>Load balancers also have an <code>InService</code> state if you attach them in the <a>CreateAutoScalingGroup</a> API call. If your load balancer state is <code>InService</code>, but it is not working properly, check the scaling activities by calling <a>DescribeScalingActivities</a> and take any corrective actions necessary.</p> <p>For help with failed health checks, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/ts-as-healthchecks.html">Troubleshooting Amazon EC2 Auto Scaling: Health checks</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>. For more information, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/autoscaling-load-balancer.html">Use Elastic Load Balancing to distribute traffic across the instances in your Auto Scaling group</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>. </p>'
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/DescribeLoadBalancersResponse'
              examples:
                POST_DescribeLoadBalancers200Example:
                  summary: Default POST_DescribeLoadBalancers 200 response
                  x-microcks-default: true
                  value:
                    LoadBalancers: example-string
                    NextToken: example-string
        '480':
          description: ResourceContentionFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ResourceContentionFault'
              examples:
                POST_DescribeLoadBalancers480Example:
                  summary: Default POST_DescribeLoadBalancers 480 response
                  x-microcks-default: true
                  value: {}
        '481':
          description: InvalidNextToken
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/InvalidNextToken'
              examples:
                POST_DescribeLoadBalancers481Example:
                  summary: Default POST_DescribeLoadBalancers 481 response
                  x-microcks-default: true
                  value: {}
      requestBody:
        content:
          text/xml:
            schema:
              $ref: '#/components/schemas/DescribeLoadBalancersRequest'
      parameters:
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - DescribeLoadBalancers
      - name: Version
        in: query
        required: true
        schema:
          type: string
          enum:
          - 2011-01-01
      summary: Amazon EC2 Auto Scaling POST_ Describe Load Balancers
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#Action=DescribeLoadBalancers'
components:
  schemas:
    XmlString:
      type: string
      x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
    XmlStringMaxLen255:
      type: string
      minLength: 1
      maxLength: 255
      x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
    InvalidNextToken: {}
    DescribeLoadBalancersResponse:
      type: object
      example:
        LoadBalancers:
        - LoadBalancerName: my-load-balancer
          State: Added
      properties:
        LoadBalancers:
          allOf:
          - $ref: '#/components/schemas/LoadBalancerStates'
          - description: The load balancers.
          example: example-string
        NextToken:
          allOf:
          - $ref: '#/components/schemas/XmlString'
          - description: A string that indicates that the response contains more items than can be returned in a single response. To receive additional items, specify this string for the <code>NextToken</code> value when requesting the next set of items. This value is null when there are no more items to return.
          example: example-string
    LoadBalancerStates:
      type: array
      items:
        $ref: '#/components/schemas/LoadBalancerState'
    LoadBalancerState:
      type: object
      properties:
        LoadBalancerName:
          allOf:
          - $ref: '#/components/schemas/XmlStringMaxLen255'
          - description: The name of the load balancer.
        State:
          allOf:
          - $ref: '#/components/schemas/XmlStringMaxLen255'
          - description: <p>One of the following load balancer states:</p> <ul> <li> <p> <code>Adding</code> - The Auto Scaling instances are being registered with the load balancer.</p> </li> <li> <p> <code>Added</code> - All Auto Scaling instances are registered with the load balancer.</p> </li> <li> <p> <code>InService</code> - At least one Auto Scaling instance passed an <code>ELB</code> health check.</p> </li> <li> <p> <code>Removing</code> - The Auto Scaling instances are being deregistered from the load balancer. If connection draining is enabled, Elastic Load Balancing waits for in-flight requests to complete before deregistering the instances.</p> </li> <li> <p> <code>Removed</code> - All Auto Scaling instances are deregistered from the load balancer.</p> </li> </ul>
      description: Describes the state of a Classic Load Balancer.
    MaxRecords:
      type: integer
    ResourceContentionFault: {}
    DescribeLoadBalancersRequest:
      type: object
      required:
      - AutoScalingGroupName
      title: DescribeLoadBalancersRequest
      properties:
        AutoScalingGroupName:
          allOf:
          - $ref: '#/components/schemas/XmlStringMaxLen255'
          - description: The name of the Auto Scaling group.
        NextToken:
          allOf:
          - $ref: '#/components/schemas/XmlString'
          - description: The token for the next set of items to return. (You received this token from a previous call.)
        MaxRecords:
          allOf:
          - $ref: '#/components/schemas/MaxRecords'
          - description: The maximum number of items to return with this call. The default value is <code>100</code> and the maximum value is <code>100</code>.
  parameters:
    X-Amz-Credential:
      name: X-Amz-Credential
      in: header
      schema:
        type: string
      required: false
    X-Amz-SignedHeaders:
      name: X-Amz-SignedHeaders
      in: header
      schema:
        type: string
      required: false
    X-Amz-Security-Token:
      name: X-Amz-Security-Token
      in: header
      schema:
        type: string
      required: false
    X-Amz-Content-Sha256:
      name: X-Amz-Content-Sha256
      in: header
      schema:
        type: string
      required: false
    X-Amz-Date:
      name: X-Amz-Date
      in: header
      schema:
        type: string
      required: false
    X-Amz-Signature:
      name: X-Amz-Signature
      in: header
      schema:
        type: string
      required: false
    X-Amz-Algorithm:
      name: X-Amz-Algorithm
      in: header
      schema:
        type: string
      required: false
  securitySchemes:
    hmac:
      type: apiKey
      name: Authorization
      in: header
      description: Amazon Signature authorization v4
      x-amazon-apigateway-authtype: awsSigv4
externalDocs:
  description: Amazon Web Services documentation
  url: https://docs.aws.amazon.com/autoscaling/
x-hasEquivalentPaths: true