openapi: 3.0.0
info:
  version: 2011-01-01
  x-release: v4
  title: 'Auto Scaling #Action=AttachInstances #Action=AttachInstances #Action=PutWarmPool 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=PutWarmPool'
paths:
  /#Action=PutWarmPool:
    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: PutWarmPool
      operationId: GET_PutWarmPool
      description: <p>Creates or updates a warm pool for the specified Auto Scaling group. A warm pool is a pool of pre-initialized EC2 instances that sits alongside the Auto Scaling group. Whenever your application needs to scale out, the Auto Scaling group can draw on the warm pool to meet its new desired capacity. For more information and example configurations, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-warm-pools.html">Warm pools for Amazon EC2 Auto Scaling</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p> <p>This operation must be called from the Region in which the Auto Scaling group was created. This operation cannot be called on an Auto Scaling group that has a mixed instances policy or a launch template or launch configuration that requests Spot Instances.</p> <p>You can view the instances in the warm pool using the <a>DescribeWarmPool</a> API call. If you are no longer using a warm pool, you can delete it by calling the <a>DeleteWarmPool</a> API.</p>
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/PutWarmPoolAnswer'
              examples:
                GET_PutWarmPool200Example:
                  summary: Default GET_PutWarmPool 200 response
                  x-microcks-default: true
                  value: {}
        '480':
          description: LimitExceededFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/LimitExceededFault'
              examples:
                GET_PutWarmPool480Example:
                  summary: Default GET_PutWarmPool 480 response
                  x-microcks-default: true
                  value: {}
        '481':
          description: ResourceContentionFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ResourceContentionFault'
              examples:
                GET_PutWarmPool481Example:
                  summary: Default GET_PutWarmPool 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: MaxGroupPreparedCapacity
        in: query
        required: false
        description: <p>Specifies the maximum number of instances that are allowed to be in the warm pool or in any state except <code>Terminated</code> for the Auto Scaling group. This is an optional property. Specify it only if you do not want the warm pool size to be determined by the difference between the group's maximum capacity and its desired capacity. </p> <important> <p>If a value for <code>MaxGroupPreparedCapacity</code> is not specified, Amazon EC2 Auto Scaling launches and maintains the difference between the group's maximum capacity and its desired capacity. If you specify a value for <code>MaxGroupPreparedCapacity</code>, Amazon EC2 Auto Scaling uses the difference between the <code>MaxGroupPreparedCapacity</code> and the desired capacity instead. </p> <p>The size of the warm pool is dynamic. Only when <code>MaxGroupPreparedCapacity</code> and <code>MinSize</code> are set to the same value does the warm pool have an absolute size.</p> </important> <p>If the desired capacity of the Auto Scaling group is higher than the <code>MaxGroupPreparedCapacity</code>, the capacity of the warm pool is 0, unless you specify a value for <code>MinSize</code>. To remove a value that you previously set, include the property but specify -1 for the value. </p>
        schema:
          type: integer
          minimum: -1
      - name: MinSize
        in: query
        required: false
        description: Specifies the minimum number of instances to maintain in the warm pool. This helps you to ensure that there is always a certain number of warmed instances available to handle traffic spikes. Defaults to 0 if not specified.
        schema:
          type: integer
          minimum: 0
      - name: PoolState
        in: query
        required: false
        description: Sets the instance state to transition to after the lifecycle actions are complete. Default is <code>Stopped</code>.
        schema:
          type: string
          enum:
          - Stopped
          - Running
          - Hibernated
      - name: InstanceReusePolicy
        in: query
        required: false
        description: Indicates whether instances in the Auto Scaling group can be returned to the warm pool on scale in. The default is to terminate instances in the Auto Scaling group when the group scales in.
        schema:
          type: object
          properties:
            ReuseOnScaleIn:
              allOf:
              - $ref: '#/components/schemas/ReuseOnScaleIn'
              - description: 'Specifies whether instances in the Auto Scaling group can be returned to the warm pool on scale in. '
          description: <p>Describes an instance reuse policy for a warm pool. </p> <p>For more information, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-warm-pools.html">Warm pools for Amazon EC2 Auto Scaling</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p>
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - PutWarmPool
      - name: Version
        in: query
        required: true
        schema:
          type: string
          enum:
          - 2011-01-01
      summary: Amazon EC2 Auto Scaling GET_ Put Warm Pool
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#Action=PutWarmPool'
    post:
      x-aws-operation-name: PutWarmPool
      operationId: POST_PutWarmPool
      description: <p>Creates or updates a warm pool for the specified Auto Scaling group. A warm pool is a pool of pre-initialized EC2 instances that sits alongside the Auto Scaling group. Whenever your application needs to scale out, the Auto Scaling group can draw on the warm pool to meet its new desired capacity. For more information and example configurations, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-warm-pools.html">Warm pools for Amazon EC2 Auto Scaling</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p> <p>This operation must be called from the Region in which the Auto Scaling group was created. This operation cannot be called on an Auto Scaling group that has a mixed instances policy or a launch template or launch configuration that requests Spot Instances.</p> <p>You can view the instances in the warm pool using the <a>DescribeWarmPool</a> API call. If you are no longer using a warm pool, you can delete it by calling the <a>DeleteWarmPool</a> API.</p>
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/PutWarmPoolAnswer'
              examples:
                POST_PutWarmPool200Example:
                  summary: Default POST_PutWarmPool 200 response
                  x-microcks-default: true
                  value: {}
        '480':
          description: LimitExceededFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/LimitExceededFault'
              examples:
                POST_PutWarmPool480Example:
                  summary: Default POST_PutWarmPool 480 response
                  x-microcks-default: true
                  value: {}
        '481':
          description: ResourceContentionFault
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/ResourceContentionFault'
              examples:
                POST_PutWarmPool481Example:
                  summary: Default POST_PutWarmPool 481 response
                  x-microcks-default: true
                  value: {}
      requestBody:
        content:
          text/xml:
            schema:
              $ref: '#/components/schemas/PutWarmPoolType'
      parameters:
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - PutWarmPool
      - name: Version
        in: query
        required: true
        schema:
          type: string
          enum:
          - 2011-01-01
      summary: Amazon EC2 Auto Scaling POST_ Put Warm Pool
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#Action=PutWarmPool'
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:
    MaxGroupPreparedCapacity:
      type: integer
      minimum: -1
    XmlStringMaxLen255:
      type: string
      minLength: 1
      maxLength: 255
      x-pattern: '[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*'
    PutWarmPoolAnswer:
      type: object
      properties: {}
    WarmPoolState:
      type: string
      enum:
      - Stopped
      - Running
      - Hibernated
    WarmPoolMinSize:
      type: integer
      minimum: 0
    ReuseOnScaleIn:
      type: boolean
    LimitExceededFault: {}
    InstanceReusePolicy:
      type: object
      properties:
        ReuseOnScaleIn:
          allOf:
          - $ref: '#/components/schemas/ReuseOnScaleIn'
          - description: 'Specifies whether instances in the Auto Scaling group can be returned to the warm pool on scale in. '
      description: <p>Describes an instance reuse policy for a warm pool. </p> <p>For more information, see <a href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-warm-pools.html">Warm pools for Amazon EC2 Auto Scaling</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p>
    ResourceContentionFault: {}
    PutWarmPoolType:
      type: object
      required:
      - AutoScalingGroupName
      title: PutWarmPoolType
      properties:
        AutoScalingGroupName:
          allOf:
          - $ref: '#/components/schemas/XmlStringMaxLen255'
          - description: The name of the Auto Scaling group.
        MaxGroupPreparedCapacity:
          allOf:
          - $ref: '#/components/schemas/MaxGroupPreparedCapacity'
          - description: <p>Specifies the maximum number of instances that are allowed to be in the warm pool or in any state except <code>Terminated</code> for the Auto Scaling group. This is an optional property. Specify it only if you do not want the warm pool size to be determined by the difference between the group's maximum capacity and its desired capacity. </p> <important> <p>If a value for <code>MaxGroupPreparedCapacity</code> is not specified, Amazon EC2 Auto Scaling launches and maintains the difference between the group's maximum capacity and its desired capacity. If you specify a value for <code>MaxGroupPreparedCapacity</code>, Amazon EC2 Auto Scaling uses the difference between the <code>MaxGroupPreparedCapacity</code> and the desired capacity instead. </p> <p>The size of the warm pool is dynamic. Only when <code>MaxGroupPreparedCapacity</code> and <code>MinSize</code> are set to the same value does the warm pool have an absolute size.</p> </important> <p>If the desired capacity of the Auto Scaling group is higher than the <code>MaxGroupPreparedCapacity</code>, the capacity of the warm pool is 0, unless you specify a value for <code>MinSize</code>. To remove a value that you previously set, include the property but specify -1 for the value. </p>
        MinSize:
          allOf:
          - $ref: '#/components/schemas/WarmPoolMinSize'
          - description: Specifies the minimum number of instances to maintain in the warm pool. This helps you to ensure that there is always a certain number of warmed instances available to handle traffic spikes. Defaults to 0 if not specified.
        PoolState:
          allOf:
          - $ref: '#/components/schemas/WarmPoolState'
          - description: Sets the instance state to transition to after the lifecycle actions are complete. Default is <code>Stopped</code>.
        InstanceReusePolicy:
          allOf:
          - $ref: '#/components/schemas/InstanceReusePolicy'
          - description: Indicates whether instances in the Auto Scaling group can be returned to the warm pool on scale in. The default is to terminate instances in the Auto Scaling group when the group scales in.
  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