openapi: 3.0.0
info:
  version: 2011-01-01
  x-release: v4
  title: 'Auto Scaling #Action=AttachInstances #Action=AttachInstances #Action=AttachInstances 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=AttachInstances'
paths:
  /#Action=AttachInstances:
    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: AttachInstances
      operationId: GET_AttachInstances
      description: <p>Attaches one or more EC2 instances to the specified Auto Scaling group.</p> <p>When you attach instances, Amazon EC2 Auto Scaling increases the desired capacity of the group by the number of instances being attached. If the number of instances being attached plus the desired capacity of the group exceeds the maximum size of the group, the operation fails.</p> <p>If there is a Classic Load Balancer attached to your Auto Scaling group, the instances are also registered with the load balancer. If there are target groups attached to your Auto Scaling group, the instances are also registered with the target groups.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/attach-instance-asg.html">Attach EC2 instances to your Auto Scaling group</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p>
      responses:
        '200':
          description: Success
        '480':
          description: ResourceContentionFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ResourceContentionFault'
              examples:
                GET_AttachInstances480Example:
                  summary: Default GET_AttachInstances 480 response
                  x-microcks-default: true
                  value: {}
        '481':
          description: ServiceLinkedRoleFailure
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ServiceLinkedRoleFailure'
              examples:
                GET_AttachInstances481Example:
                  summary: Default GET_AttachInstances 481 response
                  x-microcks-default: true
                  value: {}
      parameters:
      - name: InstanceIds
        in: query
        required: false
        description: The IDs of the instances. You can specify up to 20 instances.
        schema:
          type: array
          items:
            $ref: '#/components/schemas/XmlStringMaxLen19'
      - 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: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - AttachInstances
      - name: Version
        in: query
        required: true
        schema:
          type: string
          enum:
          - 2011-01-01
      summary: Amazon EC2 Auto Scaling GET_ Attach Instances
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#Action=AttachInstances'
    post:
      x-aws-operation-name: AttachInstances
      operationId: POST_AttachInstances
      description: <p>Attaches one or more EC2 instances to the specified Auto Scaling group.</p> <p>When you attach instances, Amazon EC2 Auto Scaling increases the desired capacity of the group by the number of instances being attached. If the number of instances being attached plus the desired capacity of the group exceeds the maximum size of the group, the operation fails.</p> <p>If there is a Classic Load Balancer attached to your Auto Scaling group, the instances are also registered with the load balancer. If there are target groups attached to your Auto Scaling group, the instances are also registered with the target groups.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/attach-instance-asg.html">Attach EC2 instances to your Auto Scaling group</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p>
      responses:
        '200':
          description: Success
        '480':
          description: ResourceContentionFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ResourceContentionFault'
              examples:
                POST_AttachInstances480Example:
                  summary: Default POST_AttachInstances 480 response
                  x-microcks-default: true
                  value: {}
        '481':
          description: ServiceLinkedRoleFailure
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ServiceLinkedRoleFailure'
              examples:
                POST_AttachInstances481Example:
                  summary: Default POST_AttachInstances 481 response
                  x-microcks-default: true
                  value: {}
      requestBody:
        content:
          text/xml:
            schema:
              $ref: '#/components/schemas/AttachInstancesQuery'
      parameters:
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - AttachInstances
      - name: Version
        in: query
        required: true
        schema:
          type: string
          enum:
          - 2011-01-01
      summary: Amazon EC2 Auto Scaling POST_ Attach Instances
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#Action=AttachInstances'
components:
  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
  schemas:
    XmlStringMaxLen255:
      type: string
      minLength: 1
      maxLength: 255
      x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
    ServiceLinkedRoleFailure: {}
    InstanceIds:
      type: array
      items:
        $ref: '#/components/schemas/XmlStringMaxLen19'
    XmlStringMaxLen19:
      type: string
      minLength: 1
      maxLength: 19
      x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
    ResourceContentionFault: {}
    AttachInstancesQuery:
      type: object
      required:
      - AutoScalingGroupName
      title: AttachInstancesQuery
      properties:
        InstanceIds:
          allOf:
          - $ref: '#/components/schemas/InstanceIds'
          - description: The IDs of the instances. You can specify up to 20 instances.
        AutoScalingGroupName:
          allOf:
          - $ref: '#/components/schemas/XmlStringMaxLen255'
          - description: The name of the Auto Scaling group.
  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