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Auto Scaling
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    Data Types

    Last updated: 2024-10-25 15:16:40
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      Activity

      Information on eligible scaling activities.

      Used by actions: DescribeAutoScalingActivities, DescribeAutoScalingGroupLastActivities.

      Name Type Description
      AutoScalingGroupId String Auto scaling group ID.
      ActivityId String Scaling activity ID.
      ActivityType String Type of the scaling activity. Valid values:

    • SCALE_OUT: Scale out.
    • SCALE_IN: Scale in.
    • ATTACH_INSTANCES: Add instances.
    • REMOVE_INSTANCES: Terminate instances.
    • DETACH_INSTANCES: Remove instances.
    • TERMINATE_INSTANCES_UNEXPECTEDLY: Terminate instances in the CVM console.
    • REPLACE_UNHEALTHY_INSTANCE: Replace an unhealthy instance.
    • START_INSTANCES: Starts up instances.
    • STOP_INSTANCES: Shut down instances.
    • INVOKE_COMMAND: Execute commands
      		•
      StatusCode String Scaling activity status. Value range:

    • INIT: initializing
    • RUNNING: running
    • SUCCESSFUL: succeeded
    • PARTIALLY_SUCCESSFUL: partially succeeded
    • FAILED: failed
    • CANCELLED: canceled
      		•
      StatusMessage String Description of the scaling activity status.
      Cause String Cause of the scaling activity.
      Description String Description of the scaling activity.
      StartTime Timestamp ISO8601 Start time of the scaling activity.
      EndTime Timestamp ISO8601 End time of the scaling activity.
      CreatedTime Timestamp ISO8601 Creation time of the scaling activity.
      StatusMessageSimplified String Brief description of the scaling activity status.
      LifecycleActionResultSet Array of LifecycleActionResultInfo Result of the lifecycle hook action in the scaling activity
      DetailedStatusMessageSet Array of DetailedStatusMessage Detailed description of scaling activity status
      InvocationResultSet Array of InvocationResult Result of the command execution
      RelatedInstanceSet Array of RelatedInstance Information set of the instances related to the scaling activity.

      Advice

      Suggestions for scaling group configurations.

      Used by actions: DescribeAutoScalingAdvices.

      Name Type Description
      Problem String Problem Description
      Detail String Problem Details
      Solution String Recommended resolutions
      Level String Risk level of the scaling group configuration. Valid values:

    • WARNING

    • CRITICAL
      		•

      AutoScalingAdvice

      Suggestions for scaling group configurations.

      Used by actions: DescribeAutoScalingAdvices.

      Name Type Description
      AutoScalingGroupId String Scaling group ID
      Level String Scaling group warning level. Valid values:

    • NORMAL: Normal

    • WARNING: Warning

    • CRITICAL: Serious warning
      		•
      Advices Array of Advice A collection of suggestions for scaling group configurations.

      AutoScalingGroup

      Auto scaling group

      Used by actions: DescribeAutoScalingGroups.

      Name Type Description
      AutoScalingGroupId String Auto scaling group ID
      AutoScalingGroupName String Auto scaling group name
      AutoScalingGroupStatus String Current scaling group status. Valid values:

    • NORMAL: Normal

    • CVM_ABNORMAL: Abnormal launch configuration

    • LB_ABNORMAL: Abnormal load balancer

    • LB_LISTENER_ABNORMAL: Abnormal load balancer listener

    • LB_LOCATION_ABNORMAL: Abnormal forwarding configuration of the load balancer listener

    • VPC_ABNORMAL: VPC network error

    • SUBNET_ABNORMAL: VPC subnet exception

    • INSUFFICIENT_BALANCE: Insufficient account balance

    • LB_BACKEND_REGION_NOT_MATCH: The CLB backend and the AS service are not in the same region.

    • LB_BACKEND_VPC_NOT_MATCH: The CLB instance and the scaling group are not in the same VPC.
      		•
      CreatedTime Timestamp ISO8601 Creation time in UTC format
      DefaultCooldown Integer Default cooldown period in seconds
      DesiredCapacity Integer Desired number of instances
      EnabledStatus String Enabled status. Value range: ENABLED, DISABLED
      ForwardLoadBalancerSet Array of ForwardLoadBalancer List of application load balancers
      InstanceCount Integer Number of instances
      InServiceInstanceCount Integer Number of instances in IN_SERVICE status
      LaunchConfigurationId String Launch configuration ID
      LaunchConfigurationName String Launch configuration name
      LoadBalancerIdSet Array of String List of Classic load balancer IDs
      MaxSize Integer Maximum number of instances
      MinSize Integer Minimum number of instances
      ProjectId Integer Project ID
      SubnetIdSet Array of String List of subnet IDs
      TerminationPolicySet Array of String Termination policy
      VpcId String VPC ID
      ZoneSet Array of String List of availability zones
      RetryPolicy String Retry policy
      InActivityStatus String Whether the auto scaling group is performing a scaling activity. IN_ACTIVITY indicates yes, and NOT_IN_ACTIVITY indicates no.
      Tags Array of Tag List of auto scaling group tags
      ServiceSettings ServiceSettings Service settings
      Ipv6AddressCount Integer The number of IPv6 addresses that an instance has.
      MultiZoneSubnetPolicy String The policy applied when there are multiple availability zones/subnets

    • PRIORITY: when creating instances, choose the availability zone/subnet based on the order in the list from top to bottom. If the first instance is successfully created in the availability zone/subnet of the highest priority, all instances will be created in this availability zone/subnet.

    • EQUALITY: chooses the availability zone/subnet with the least instances for scale-out. This gives each availability zone/subnet an opportunity for scale-out and disperses the instances created during multiple scale-out operations across different availability zones/subnets.
      		•
      HealthCheckType String Health check type of instances in a scaling group.
    • CVM: confirm whether an instance is healthy based on the network status. If the pinged instance is unreachable, the instance will be considered unhealthy. For more information, see Instance Health Check
    • CLB: confirm whether an instance is healthy based on the CLB health check status. For more information, see Health Check Overview.
      		•
      LoadBalancerHealthCheckGracePeriod Integer Grace period of the CLB health check
      InstanceAllocationPolicy String Specifies how to assign instances. Valid values: LAUNCH_CONFIGURATION and SPOT_MIXED.

    • LAUNCH_CONFIGURATION: the launch configuration mode.

    • SPOT_MIXED: a mixed instance mode. Currently, this mode is supported only when the launch configuration takes the pay-as-you-go billing mode. With this mode, the scaling group can provision a combination of pay-as-you-go instances and spot instances to meet the configured capacity. Note that the billing mode of the associated launch configuration cannot be modified when this mode is used.
      		•
      SpotMixedAllocationPolicy SpotMixedAllocationPolicy Specifies how to assign pay-as-you-go instances and spot instances.
      A valid value will be returned only when InstanceAllocationPolicy is set to SPOT_MIXED.
      CapacityRebalance Boolean Indicates whether the capacity rebalancing feature is enabled. This parameter is only valid for spot instances in the scaling group. Valid values:

    • TRUE: yes. Before the spot instances in the scaling group are about to be automatically repossessed, AS will terminate them. The scale-in hook (if configured) will take effect before the termination. After the termination process starts, AS will asynchronously initiate a scaling activity to meet the desired capacity.

    • FALSE: no. AS will add instances to meet the desired capacity only after the spot instances are terminated.
      		•
      InstanceNameIndexSettings InstanceNameIndexSettings Instance name sequencing settings.
      Note: This field may return null, indicating that no valid value can be obtained.

      AutoScalingGroupAbstract

      Brief information of a scaling group.

      Used by actions: DescribeLaunchConfigurations.

      Name Type Description
      AutoScalingGroupId String Scaling group ID
      AutoScalingGroupName String Auto scaling group name.

      AutoScalingNotification

      AS event notification

      Used by actions: DescribeNotificationConfigurations.

      Name Type Description
      AutoScalingGroupId String Auto scaling group ID.
      NotificationUserGroupIds Array of String List of user group IDs.
      NotificationTypes Array of String List of notification events.
      AutoScalingNotificationId String Event notification ID.
      TargetType String Notification receiver type.
      QueueName String CMQ queue name.
      TopicName String CMQ topic name.

      DataDisk

      Configuration information of data disk in launch configuration. If this parameter is not specified, no data disk will be purchased by default. You can specify only one data disk when purchasing it.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      DiskType String No Data disk type. For restrictions on data disk type, see Cloud Block Storage Types. Valid values:
    • LOCAL_BASIC: Local hard disk.
    • LOCAL_SSD: Local SSD.
    • CLOUD_BASIC: General cloud disk.
    • CLOUD_PREMIUM: Premium cloud disk.
    • CLOUD_SSD: Cloud SSD.
    • CLOUD_HSSD: Enhanced SSD.
    • CLOUD_TSSD: Ultra SSD.

      • The default value is consistent with the system disk type (SystemDisk.DiskType).
      Note: This field may return null, indicating that no valid values can be obtained.
      DiskSize Integer No Data disk size (in GB). The minimum adjustment increment is 10 GB. The value range varies by data disk type. For more information on limits, see CVM Instance Configuration. The default value is 0, indicating that no data disk is purchased. For more information, see the product documentation.
      Note: This field may return null, indicating that no valid values can be obtained.
      SnapshotId String No Data disk snapshot ID, such as snap-l8psqwnt.
      Note: This field may return null, indicating that no valid values can be obtained.
      DeleteWithInstance Boolean No Whether the data disk is terminated along with the instance. Valid values:
    • TRUE: When the instance is terminated, the data disk is also terminated. This option is only supported for hourly postpaid cloud disks.
    • FALSE: When the instance is terminated, the data disk is retained.

      • Note: This field may return null, indicating that no valid values can be obtained.
      Encrypt Boolean No Whether the data disk is encrypted. Valid values:
    • TRUE: Encrypted.
    • FALSE: Not encrypted.

      • Note: This field may return null, indicating that no valid values can be obtained.
      ThroughputPerformance Integer No Cloud disk performance (MB/s). This parameter is used to purchase extra performance for the cloud disk. For details on the feature and limits, see [Enhanced SSD Performance](https://www.tencentcloud.com/document/product/362/51896?from_cn_redirect=1#. E5.A2.9E.E5.BC.BA.E5.9E.8B-ssd-.E4.BA.91.E7.A1.AC.E7.9B.98.E9.A2.9D.E5.A4.96 .E6.80.A7.E8.83.BD).
      This feature is only available to enhanced SSD (CLOUD_HSSD) and tremendous SSD (CLOUD_TSSD) disks with a capacity greater than 460 GB.
      Note: This field may return null, indicating that no valid value can be obtained.
      BurstPerformance Boolean No Burst performance: Whether to enable burst performance. The default value is false.

      Note: This feature is in beta test and requires a ticket to be submitted for usage.
      Note: This field may return null, indicating that no valid values can be obtained.

      DetailedStatusMessage

      Detailed description of scaling activity status

      Used by actions: DescribeAutoScalingActivities, DescribeAutoScalingGroupLastActivities.

      Name Type Description
      Code String Error type
      Zone String AZ information
      InstanceId String Instance ID
      InstanceChargeType String Instance billing mode
      SubnetId String Subnet ID
      Message String Error message
      InstanceType String Instance type

      EnhancedService

      This describes the conditions and configurations of the enhanced services of the instance, such as cloud security, cloud monitor, TencentCloud Automation Tools, and other instance agents.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      SecurityService RunSecurityServiceEnabled No Enables the Cloud Security service. If this parameter is not specified, the Cloud Security service will be enabled by default.
      MonitorService RunMonitorServiceEnabled No Enables the Cloud Monitor service. If this parameter is not specified, the Cloud Monitor service will be enabled by default.
      AutomationToolsService RunAutomationServiceEnabled No Enable TAT service. If this parameter is not specified, the default logic is the same as that of the CVM instance. Note: This field may return null, indicating that no valid values can be obtained.

      Filter

      Describes key-value pair filters used for conditional queries, such as filtering results by ID, name and state.

      • If there are multiple Filter parameters, the relationship among them will be logical AND.
      • If there are multiple Values for the same Filter, the relationship among the Values for the same Filter will be logical OR.

      Used by actions: DescribeAutoScalingActivities, DescribeAutoScalingGroups, DescribeAutoScalingInstances, DescribeLaunchConfigurations, DescribeLifecycleHooks, DescribeNotificationConfigurations, DescribeRefreshActivities, DescribeScalingPolicies, DescribeScheduledActions.

      Name Type Required Description
      Name String Yes Field to be filtered.
      Values Array of String Yes Filter value of the field.

      ForwardLoadBalancer

      Application load balancer

      Used by actions: AttachLoadBalancers, CreateAutoScalingGroup, DescribeAutoScalingGroups, ModifyLoadBalancerTargetAttributes, ModifyLoadBalancers.

      Name Type Required Description
      LoadBalancerId String Yes Load balancer ID
      ListenerId String Yes Application load balancer listener ID
      TargetAttributes Array of TargetAttribute Yes List of target rule attributes
      LocationId String No ID of a forwarding rule. This parameter is required for layer-7 listeners.
      Region String No The region of CLB instance. It defaults to the region of AS service and is in the format of the common parameter Region, such as ap-guangzhou.

      ForwardLoadBalancerIdentification

      Application CLB IDs

      Used by actions: DetachLoadBalancers.

      Name Type Required Description
      LoadBalancerId String Yes ID of the CLB
      ListenerId String Yes Application CLB listener ID
      LocationId String No ID of a forwarding rule. This parameter is required for layer-7 listeners.

      HostNameSettings

      CVM HostName settings

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      HostName String Yes CVM HostName.
    • Dots (.) and hyphens (-) cannot be used as the first or last character of HostName, and cannot be used consecutively.
    • Windows instances are not supported.
    • Instances of other types (e.g., Linux): The length of the character should be within the range of [2, 40]. Multiple dots (.) are allowed. Each segment between dot marks can consist of letters (case-insensitive), digits, and hyphens (-). Using only digits is not allowed.

      • Note: This field may return null, indicating that no valid values can be obtained.
      HostNameStyle String No The style of the CVM HostName. Valid values include ORIGINAL and UNIQUE, and the default value is ORIGINAL.
    • ORIGINAL: AS passes HostName filled in the input parameters to CVM. CVM may append serial numbers to HostName, which can result in conflicts with HostName of instances in the scaling group.
    • UNIQUE: HostName filled in the input parameters acts as a prefix for the HostName. AS and CVM will expand this prefix to ensure that HostName of the instance in the scaling group is unique.

      • Note: This field may return null, indicating that no valid values can be obtained.
      HostNameSuffix String No HostName suffix for CVM.
    • Dots (.) and hyphens (-) cannot be used as the first or last character of HostNameSuffix, and cannot be used consecutively.
    • Windows instances are not supported.
    • Instances of other types (e.g., Linux): The length of the character should be within the range of [1, 37], and the combined length with HostName should not exceed 39. Multiple dots (.) are allowed. Each segment between dots can consist of letters (case-insensitive), digits, and hyphens (-).

      • Assume the suffix name is suffix and the original HostName is test.0, then the final HostName is test.0.suffix.
      Note: This field may return null, indicating that no valid values can be obtained.

      IPv6InternetAccessible

      This describes the IPv6 address public network accessibility of the instance created by a launch configuration and declares the public network usage billing method of the IPv6 address and the maximum bandwidth.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      InternetChargeType String No Network billing mode. Valid values: TRAFFIC_POSTPAID_BY_HOUR, BANDWIDTH_PACKAGE. Default value: TRAFFIC_POSTPAID_BY_HOUR. For the current account type, see Account Type Description.

    • IPv6 supports TRAFFIC_POSTPAID_BY_HOUR under a bill-by-IP account.

    • IPv6 supports BANDWIDTH_PACKAGE under a bill-by-CVM account.
      Note: This field may return null, indicating that no valid values can be obtained.
      		•
      InternetMaxBandwidthOut Integer No Outbound bandwidth cap of the public network (in Mbps).
      It defaults to 0, which indicates no public network bandwidth is allocated to IPv6. The value range of bandwidth caps varies with the model, availability zone and billing mode. For more information, see Public Network Bandwidth Cap.
      Note: This field may return null, indicating that no valid values can be obtained.
      BandwidthPackageId String No Bandwidth package ID. You can obtain the ID from the BandwidthPackageId field in the response of the DescribeBandwidthPackages API.
      Note: This field may return null, indicating that no valid values can be obtained.

      Instance

      Instance information

      Used by actions: DescribeAutoScalingInstances.

      Name Type Description
      InstanceId String Instance ID
      AutoScalingGroupId String Auto scaling group ID
      LaunchConfigurationId String Launch configuration ID
      LaunchConfigurationName String Launch configuration name
      LifeCycleState String Lifecycle status. Valid values:

    • IN_SERVICE: The instance is running.
    • CREATING: The instance is being created.
    • CREATION_FAILED: The instance fails to be created.
    • TERMINATING: The instance is being terminated.
    • TERMINATION_FAILED: The instance fails to be terminated.
    • ATTACHING: The instance is being bound.
    • ATTACH_FAILED: The instance fails to be bound.
    • DETACHING: The instance is being unbound.
    • DETACH_FAILED: The instance fails to be unbound.
    • ATTACHING_LB: The LB is being bound.
    • DETACHING_LB: The LB is being unbound.
    • MODIFYING_LB: The LB is being modified.
    • STARTING: The instance is being started up.
    • START_FAILED: The instance fails to be started up.
    • STOPPING: The instance is being shut down.
    • STOP_FAILED: The instance fails to be shut down.
    • STOPPED: The instance is shut down.
    • IN_LAUNCHING_HOOK: The lifecycle hook is being scaled out.
    • IN_TERMINATING_HOOK: The lifecycle hook is being scaled in.
      		•
      HealthStatus String Health status. Value range: HEALTHY, UNHEALTHY
      ProtectedFromScaleIn Boolean Whether to add scale-in protection
      Zone String Availability zone
      CreationType String Creation type. Value range: AUTO_CREATION, MANUAL_ATTACHING.
      AddTime Timestamp ISO8601 Instance addition time
      InstanceType String Instance type
      VersionNumber Integer Version number
      AutoScalingGroupName String Auto scaling group name
      WarmupStatus String Warming up status. Valid values:
    • WAITING_ENTER_WARMUP: The instance is waiting to be warmed up.
    • NO_NEED_WARMUP: Warming up is not required.
    • IN_WARMUP: The instance is being warmed up.
    • AFTER_WARMUP: Warming up is completed.
      		•
      DisasterRecoverGroupIds Array of String Placement group ID. Only one is allowed.
      Note: This field may return null, indicating that no valid values can be obtained.

      InstanceChargePrepaid

      This API is used to describe the billing mode of an instance.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      Period Integer Yes Purchased usage period of an instance in months. Value range: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24, 36.
      RenewFlag String No Auto-renewal flag. Valid values:
    • NOTIFY_AND_AUTO_RENEW: Notify upon expiration and automatically renew.
    • NOTIFY_AND_MANUAL_RENEW: Notify upon expiration but do not auto-renew.
    • DISABLE_NOTIFY_AND_MANUAL_RENEW: Do not notify and do not auto-renew
      • Default value: NOTIFY_AND_MANUAL_RENEW. If this parameter is set to NOTIFY_AND_AUTO_RENEW, and the account balance is sufficient, the instance will automatically renew monthly upon its expiration date.

      InstanceMarketOptionsRequest

      Options related to a CVM bidding request

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      SpotOptions SpotMarketOptions Yes Bidding-related options
      MarketType String No Market option type. Currently, this only supports the value "spot"
      Note: This field may return null, indicating that no valid values can be obtained.

      InstanceNameIndexSettings

      Instance name sequencing settings.

      Used by actions: CreateAutoScalingGroup, DescribeAutoScalingGroups, ModifyAutoScalingGroup.

      Name Type Required Description
      Enabled Boolean No Whether to enable instance creation sequencing, which is disabled by default. Valid values:
    • TRUE: Indicates that instance creation sequencing is enabled.
    • FALSE: Indicates that instance creation sequencing is disabled.
      Note: This field may return null, indicating that no valid value can be obtained.
      		•
      BeginIndex Integer No Initial sequence number, with a value range of [0, 99,999,999]. When the sequence number exceeds this range after incrementing, scale-out activities will fail.
    • Upon the first enabling of instance name sequencing: The default value is 0.
    • Upon the enabling of instance name sequencing (not for the first time): If this parameter is not specified, the historical sequence number will be carried forward. Lowering the initial sequence number may result in duplicate instance name sequences within the scaling group.
      Note: This field may return null, indicating that no valid value can be obtained.
      		•

      InstanceNameSettings

      Settings of CVM instance names.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      InstanceName String Yes CVM instance name. Value range: 2-108.
      InstanceNameStyle String No Type of CVM instance name. Valid values: ORIGINAL and UNIQUE. Default value: ORIGINAL.

      ORIGINAL: Auto Scaling sends the input parameter InstanceName to the CVM directly. The CVM may append a serial number to the InstanceName. The InstanceName of the instances within the scaling group may conflict.

      UNIQUE: the input parameter InstanceName is the prefix of an instance name. Auto Scaling and CVM expand it. The InstanceName of an instance in the scaling group is unique.
      InstanceNameSuffix String No CVM instance name suffix. The length of the character is within the range of [1, 105], and the combined length with InstanceName should not exceed 107.

      Assume the suffix name is suffix and the original instance name is test.0, then the final instance name is test.0.suffix.
      Note: This field may return null, indicating that no valid values can be obtained.

      InstanceTag

      Instance tag. This parameter is used to bind tags to newly added instances.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      Key String Yes Tag key
      Value String Yes Tag value

      InternetAccessible

      This describes the internet accessibility of the instance created by a launch configuration and declares the internet usage billing method of the instance and the maximum bandwidth

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      InternetChargeType String No Network billing method. Value range:
    • BANDWIDTH_PREPAID: Prepaid by bandwidth
    • TRAFFIC_POSTPAID_BY_HOUR: Postpaid by traffic on a per hour basis
    • BANDWIDTH_POSTPAID_BY_HOUR: Postpaid by bandwidth on a per hour basis
    • BANDWIDTH_PACKAGE: BWP user
      Default value: TRAFFIC_POSTPAID_BY_HOUR.
      Note: This field may return null, indicating that no valid values can be obtained.
      		•
      InternetMaxBandwidthOut Integer No The maximum outbound bandwidth in Mbps of the public network. The default value is 0 Mbps. The upper limit of bandwidth varies by model. For more information, see Purchase Network Bandwidth.
      Note: This field may return null, indicating that no valid values can be obtained.
      PublicIpAssigned Boolean No Whether to assign a public IP. Value range:
    • TRUE: Assign a public IP
    • FALSE: Do not assign a public IP

      If the public network bandwidth is greater than 0 Mbps, you are free to choose whether to enable the public IP (which is enabled by default). If the public network bandwidth is 0 Mbps, no public IP will be allowed to be assigned.
      Note: This field may return null, indicating that no valid values can be obtained.
      		•
      BandwidthPackageId String No Bandwidth package ID. You can obtain the ID from the BandwidthPackageId field in the response of the DescribeBandwidthPackages API.
      Note: this field may return null, indicating that no valid value was found.

      InvocationResult

      Result of the command execution

      Used by actions: DescribeAutoScalingActivities, DescribeAutoScalingGroupLastActivities.

      Name Type Description
      InstanceId String Instance ID.
      Note: This field may return null, indicating that no valid values can be obtained.
      InvocationId String Execution activity ID.
      Note: This field may return null, indicating that no valid values can be obtained.
      InvocationTaskId String Execution task ID.
      Note: This field may return null, indicating that no valid values can be obtained.
      CommandId String Command ID.
      Note: This field may return null, indicating that no valid values can be obtained.
      TaskStatus String Execution Status
      Note: This field may return null, indicating that no valid values can be obtained.
      ErrorMessage String Execution exception information
      Note: This field may return null, indicating that no valid values can be obtained.

      LaunchConfiguration

      Information set of eligible launch configurations.

      Used by actions: DescribeLaunchConfigurations.

      Name Type Description
      ProjectId Integer Project ID of the instance.
      LaunchConfigurationId String Launch configuration ID
      LaunchConfigurationName String Launch configuration name.
      InstanceType String Instance model.
      SystemDisk SystemDisk Information of the instance's system disk configuration.
      DataDisks Array of DataDisk Information of the instance's data disk configuration.
      LoginSettings LimitedLoginSettings Instance login settings.
      InternetAccessible InternetAccessible Information of the public network bandwidth configuration.
      SecurityGroupIds Array of String Security group of the instance.
      AutoScalingGroupAbstractSet Array of AutoScalingGroupAbstract Auto scaling group associated with the launch configuration.
      UserData String Custom data.
      Note: This field may return null, indicating that no valid values can be obtained.
      CreatedTime Timestamp ISO8601 Creation time of the launch configuration.
      EnhancedService EnhancedService Conditions of enhancement services for the instance and their settings.
      ImageId String Image ID.
      LaunchConfigurationStatus String Current status of the launch configuration. Valid values:
    • NORMAL: Normal.
    • IMAGE_ABNORMAL: Image exception in the launch configuration.
    • CBS_SNAP_ABNORMAL: Exception with data disk snapshot in the launch configuration.
    • SECURITY_GROUP_ABNORMAL: Security group exception in the launch configuration.
      		•
      InstanceChargeType String Instance billing type, with the CVM default value processed as POSTPAID_BY_HOUR.
    • POSTPAID_BY_HOUR: Hourly postpaid billing.
    • SPOTPAID: Spot billing.
      		•
      InstanceMarketOptions InstanceMarketOptionsRequest Market options of the instance, such as parameters related to spot instances. This parameter is required for spot instances.
      Note: This field may return null, indicating that no valid values can be obtained.
      InstanceTypes Array of String List of instance models.
      InstanceTags Array of InstanceTag List of instance tags, which will be added to instances created by the scale-out activity. Up to 10 tags allowed.
      Tags Array of Tag Tag list.
      Note: This field may return null, indicating that no valid values can be obtained.
      VersionNumber Integer Version
      UpdatedTime Timestamp ISO8601 Update time
      CamRoleName String CAM role name. This parameter can be obtained from the roleName field returned by DescribeRoleList API.
      LastOperationInstanceTypesCheckPolicy String Value of InstanceTypesCheckPolicy upon the last operation.
      HostNameSettings HostNameSettings CVM hostname settings.
      InstanceNameSettings InstanceNameSettings Settings of CVM instance names
      InstanceChargePrepaid InstanceChargePrepaid Details of the monthly subscription, including the purchase period, auto-renewal. It is required if the InstanceChargeType is PREPAID.
      DiskTypePolicy String Cloud disk type selection policy. Valid values:
    • ORIGINAL: Use the set cloud disk type.
    • AUTOMATIC: Automatically select available cloud disk types in the current availability zone.
      		•
      HpcClusterId String HPC ID

      Note: This field is default to empty
      IPv6InternetAccessible IPv6InternetAccessible IPv6 public network bandwidth configuration.
      DisasterRecoverGroupIds Array of String Placement group ID, supporting specification of only one.
      ImageFamily String Image family name.
      Note: This field may return null, indicating that no valid values can be obtained.

      LifecycleActionResultInfo

      Result information of the lifecycle hook action

      Used by actions: DescribeAutoScalingActivities, DescribeAutoScalingGroupLastActivities.

      Name Type Description
      LifecycleHookId String ID of the lifecycle hook
      InstanceId String ID of the instance
      InvocationId String Execution task ID. You can query the result by using the DescribeInvocations API of TAT.
      InvokeCommandResult String Result of command invocation,
    • SUCCESSFUL: Successful command invocation. It does mean that the task is successfully. You can query the task result with the InvocationId.</li><li>FAILED: Failed to invoke the command</li><li>NONE`
      		•
      NotificationResult String Notification result, which indicates whether it is successful to notify CMQ/TDMQ.

    • SUCCESSFUL: It is successful to notify CMQ/TDMQ.
    • FAILED: It is failed to notify CMQ/TDMQ.
    • NONE
      		•
      LifecycleActionResult String Result of the lifecyle hook action. Values: CONTINUE, ABANDON
      ResultReason String Reason of the result

    • HEARTBEAT_TIMEOUT: Heartbeat timed out. The setting of DefaultResult is used.
    • NOTIFICATION_FAILURE: Failed to send the notification. The setting of DefaultResult is used.
    • CALL_INTERFACE: Calls the CompleteLifecycleAction to set the result
    • ANOTHER_ACTION_ABANDON: It has been set to ABANDON by another operation.
    • COMMAND_CALL_FAILURE: Failed to call the command. The DefaultResult is applied.
    • COMMAND_EXEC_FINISH: Command completed
    • COMMAND_CALL_FAILURE: Failed to execute the command. The DefaultResult is applied.
    • COMMAND_EXEC_RESULT_CHECK_FAILURE: Failed to check the command result. The DefaultResult is applied.
      		•

      LifecycleCommand

      Remote command execution object.

      Used by actions: CreateLifecycleHook, DescribeLifecycleHooks, ModifyLifecycleHook, UpgradeLifecycleHook.

      Name Type Required Description
      CommandId String Yes Remote command ID. It’s required to execute a command.
      Note: This field may return null, indicating that no valid values can be obtained.
      Parameters String No Custom parameter. The field type is JSON encoded string. For example, {"varA": "222"}.
      key is the name of the custom parameter and value is the default value. Both key and value are strings.
      If this parameter is not specified, the DefaultParameters of Command is used.
      Up to 20 customer parameters allowed. The parameter name can contain up to 64 characters, including [a-z], [A-Z], [0-9] and [-_].
      Note: This field may return null, indicating that no valid values can be obtained.

      LifecycleHook

      Lifecycle hook

      Used by actions: DescribeLifecycleHooks.

      Name Type Description
      LifecycleHookId String Lifecycle hook ID
      LifecycleHookName String Lifecycle hook name
      AutoScalingGroupId String Auto scaling group ID
      DefaultResult String Default result of the lifecycle hook
      HeartbeatTimeout Integer Wait timeout period of the lifecycle hook
      LifecycleTransition String Applicable scenario of the lifecycle hook
      NotificationMetadata String Additional information for the notification target
      CreatedTime Timestamp ISO8601 Creation time
      NotificationTarget NotificationTarget Notification target
      LifecycleTransitionType String Applicable scenario of the lifecycle hook
      LifecycleCommand LifecycleCommand Remote command execution object.
      Note: This field may return null, indicating that no valid values can be obtained.

      LimitedLoginSettings

      This describes the configuration and information related to instance login. For security reasons, sensitive information is not described.

      Used by actions: DescribeLaunchConfigurations.

      Name Type Description
      KeyIds Array of String List of key IDs.

      LoginSettings

      Describes login settings of an instance.

      Used by actions: CreateLaunchConfiguration, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      Password String No Instance login password.
    • Linux: 8-16 characters. It should contain at least two sets of the following categories: [a-z], [A-Z], [0-9] and [()~!@#$%^&*-+=&#124;{}[]:;',.?/]. <br><li>Windows: 12-16 characters. It should contain at least three sets of the following categories: [a-z], [A-Z], [0-9] and [()~!@#$%^&*-+={}[]:;',.?/].

      If this parameter is not specified, a random password is generated and sent to you via the Message Center.
      		•
      KeyIds Array of String No List of key IDs. After an instance is associated with a key, you can access the instance with the private key in the key pair. You can call DescribeKeyPairs to obtain KeyId. Key and password cannot be specified at the same time. Windows instances do not support keys. Currently, you can only specify one key when purchasing an instance.
      KeepImageLogin Boolean No Whether to keep the original settings of an image. It cannot be specified together with Password or KeyIds.N. You can specify this parameter as TRUE only when you create an instance using a custom image, a shared image, or an imported image. Valid values:
    • TRUE: Keep the login settings of the image
    • FALSE (Default): Do not keep the login settings of the image

      • MetricAlarm

      Alarming metric of AS

      Used by actions: CreateScalingPolicy, DescribeScalingPolicies, ModifyScalingPolicy.

      Name Type Required Description
      ComparisonOperator String Yes Comparison operator. Value range:
    • GREATER_THAN: greater than
    • GREATER_THAN_OR_EQUAL_TO: greater than or equal to
    • LESS_THAN: less than
    • LESS_THAN_OR_EQUAL_TO: less than or equal to
    • EQUAL_TO: equal to
    • NOT_EQUAL_TO: not equal to
      • MetricName String Yes Metric names, with the following optional fields:
    • CPU_UTILIZATION: CPU utilization.
    • MEM_UTILIZATION: Memory utilization.
    • LAN_TRAFFIC_OUT: Private network outbound bandwidth.
    • LAN_TRAFFIC_IN: Private network inbound bandwidth.
    • WAN_TRAFFIC_OUT: Public network outbound bandwidth.
    • WAN_TRAFFIC_IN: Public network inbound bandwidth.
    • TCP_CURR_ESTAB: TCP connections.
      		•
      Threshold Integer Yes Alarm threshold values:
    • CPU_UTILIZATION: [1, 100], Unit: %.
    • MEM_UTILIZATION: [1, 100], Unit: %.
    • LAN_TRAFFIC_OUT: >0, Unit: Mbps.
    • LAN_TRAFFIC_IN: >0, Unit: Mbps.
    • WAN_TRAFFIC_OUT: >0, Unit: Mbps.
    • WAN_TRAFFIC_IN: >0, Unit: Mbps.
    • TCP_CURR_ESTAB: >0, Unit: Count.
      		•
      Period Integer Yes Time period in seconds. Enumerated values: 60, 300.
      ContinuousTime Integer Yes Number of repetitions. Value range: [1, 10]
      Statistic String No Statistics type. Value range:
    • AVERAGE: average
    • MAXIMUM: maximum
    • MINIMUM: minimum

      • Default value: AVERAGE
      PreciseThreshold Float No Precise alarm threshold values. This parameter is not used as an input argument but is used solely as an output parameter for the query API:
    • CPU_UTILIZATION: (0, 100], Unit: %.
    • MEM_UTILIZATION: (0, 100], Unit: %.
    • LAN_TRAFFIC_OUT: >0, Unit: Mbps.
    • LAN_TRAFFIC_IN: >0, Unit: Mbps.
    • WAN_TRAFFIC_OUT: >0, Unit: Mbps.
    • WAN_TRAFFIC_IN: >0, Unit: Mbps.
    • TCP_CURR_ESTAB: >0, Unit: Count.
      		•

      NotificationTarget

      Notification target

      Used by actions: CreateLifecycleHook, DescribeLifecycleHooks, ModifyLifecycleHook, UpgradeLifecycleHook.

      Name Type Required Description
      TargetType String Yes Target type. Valid values: CMQ_QUEUE, CMQ_TOPIC, TDMQ_CMQ_QUEUE and TDMQ_CMQ_TOPIC.
    • CMQ_QUEUE: Tencent Cloud message queue - queue model.
    • CMQ_TOPIC: Tencent Cloud message queue - topic model.
    • TDMQ_CMQ_QUEUE: Tencent Cloud TDMQ message queue - queue model.
    • TDMQ_CMQ_TOPIC: Tencent Cloud TDMQ message queue - topic model.
      		•
      QueueName String No Queue name. This parameter is required when TargetType is CMQ_QUEUE or TDMQ_CMQ_QUEUE.
      TopicName String No Topic name. This parameter is required when TargetType is CMQ_TOPIC or TDMQ_CMQ_TOPIC.

      RefreshActivity

      Instance refresh activity.

      Used by actions: DescribeRefreshActivities.

      Name Type Description
      AutoScalingGroupId String Scaling group ID.
      RefreshActivityId String Refresh activity ID.
      OriginRefreshActivityId String Original refresh activity ID, which exists only in the rollback refresh activity.
      Note: This field may return null, indicating that no valid value can be obtained.
      RefreshBatchSet Array of RefreshBatch Refresh batch information list.
      RefreshMode String Refresh mode.
      RefreshSettings RefreshSettings Instance update setting parameters.
      ActivityType String Refresh activity type. Valid values:
    • NORMAL: Normal refresh activity.
    • ROLLBACK: Rollback refresh activity.
      		•
      Status String Refresh activity status. Valid values:
    • INIT: Initializing.
    • RUNNING: Running.
    • SUCCESSFUL: Activity successful.
    • FAILED_PAUSE: Paused due to a failed refresh batch.
    • AUTO_PAUSE: Automatically paused according to pause policy.
    • MANUAL_PAUSE: Manually paused.
    • CANCELLED: Activity canceled.
    • FAILED: Activity failed.
      		•
      CurrentRefreshBatchNum Integer Current refresh batch number. For example, a value of 2 indicates that the current activity is refreshing the second batch of instances.
      Note: This field may return null, indicating that no valid value can be obtained.
      StartTime Timestamp ISO8601 Refresh activity start time.
      Note: This field may return null, indicating that no valid value can be obtained.
      EndTime Timestamp ISO8601 Refresh activity end time.
      Note: This field may return null, indicating that no valid value can be obtained.
      CreatedTime Timestamp ISO8601 Refresh activity creation time.
      Note: This field may return null, indicating that no valid value can be obtained.

      RefreshBatch

      Instance refresh batch information, containing the refresh status, instances, start and end time, etc., of the batch.

      Used by actions: DescribeRefreshActivities.

      Name Type Description
      RefreshBatchNum Integer Refresh batch number. For example, a value of 2 indicates that the current batch of instances will be refreshed in the second batch.
      RefreshBatchStatus String Refresh batch status. Valid values:
    • WAITING: Pending refresh.
    • INIT: Initializing.
    • RUNNING: Refreshing.
    • FAILED: Refresh failed.
    • PARTIALLY_SUCCESSFUL: Partially successful in the batch.
    • CANCELLED: Canceled.
    • SUCCESSFUL: Refreshed.
      		•
      RefreshBatchRelatedInstanceSet Array of RefreshBatchRelatedInstance List of instances linked to a refresh batch.
      StartTime Timestamp ISO8601 Refresh batch start time.
      Note: This field may return null, indicating that no valid value can be obtained.
      EndTime Timestamp ISO8601 Refresh batch end time.
      Note: This field may return null, indicating that no valid value can be obtained.

      RefreshBatchRelatedInstance

      Refresh batch associated instances, including the refresh activity status of individual instances and related scaling activity information.

      Used by actions: DescribeRefreshActivities.

      Name Type Description
      InstanceId String Instance ID.
      InstanceStatus String Refresh instance status. If an instance is removed or destroyed during the refresh process, its status will be updated to NOT_FOUND. Valid values:
    • WAITING: pending refresh.
    • INIT: Initializing.
    • RUNNING: Refreshing in progress.
    • FAILED: Refresh failed.
    • CANCELLED: Canceled.
    • SUCCESSFUL: Refreshed.
    • NOT_FOUND: Instance not found.
      		•
      LastActivityId String The most recent scaling activity ID during instance refresh can be queried via the DescribeAutoScalingActivities API.
      Please note that scaling activities differ from instance refresh activities; a single instance refresh activity may involve multiple scaling activities.
      Note: This field may return null, indicating that no valid value can be obtained.
      InstanceStatusMessage String Instance refresh status information.
      Note: This field may return null, indicating that no valid value can be obtained.

      RefreshSettings

      Instance refresh settings.

      Used by actions: DescribeRefreshActivities, RollbackInstanceRefresh, StartInstanceRefresh.

      Name Type Required Description
      RollingUpdateSettings RollingUpdateSettings Yes Rolling update settings parameters. RefreshMode is the rolling update. This parameter must be filled in.Note: This field may return null, indicating that no valid value can be obtained.
      CheckInstanceTargetHealth Boolean No Backend service health check status for instances, defaults to FALSE. This setting takes effect only for scaling groups bound with application load balancers. When enabled, if an instance fails the check after being refreshed, its load balancer port weight remains 0 and is marked as a refresh failure. Valid values:
    • TRUE: Enable the check.
    • FALSE: Do not enable the check.
      		•

      RelatedInstance

      Information of the instances related to the current scaling activity.

      Used by actions: DescribeAutoScalingActivities, DescribeAutoScalingGroupLastActivities.

      Name Type Description
      InstanceId String Instance ID
      InstanceStatus String Status of the instance in the scaling activity. Valid values:
      INIT: Initializing
      RUNNING: Processing the instance
      SUCCESSFUL: Task succeeded on the instance
      FAILED: Task failed on the instance

      RollingUpdateSettings

      Rolling update settings.

      Used by actions: DescribeRefreshActivities, RollbackInstanceRefresh, StartInstanceRefresh.

      Name Type Required Description
      BatchNumber Integer Yes Batch quantity. The batch quantity should be a positive integer greater than 0, but cannot exceed the total number of instances pending refresh.
      BatchPause String No Pause policy between batches. Default value: Automatic. Valid values:
    • FIRST_BATCH_PAUSE: Pause after the first batch update completes.
    • BATCH_INTERVAL_PAUSE: Pause between each batch update.
    • AUTOMATIC: No pauses.
      		•

      RunAutomationServiceEnabled

      Status of TAT service.

      Used by actions: CreateLaunchConfiguration, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      Enabled Boolean No Whether to enable TencentCloud Automation Tools. Valid values:
    • TRUE: Enable
    • FALSE: Not enable.
      Note: This field may return null, indicating that no valid values can be obtained.
      		•

      RunMonitorServiceEnabled

      This describes the information related to the Cloud Monitor service.

      Used by actions: CreateLaunchConfiguration, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      Enabled Boolean No Whether to enable the Cloud Monitor service. Value range:
    • TRUE: Cloud Monitor is enabled
    • FALSE: Cloud Monitor is disabled

      Default value: TRUE. |
      Note: This field may return null, indicating that no valid values can be obtained.
      		•

      RunSecurityServiceEnabled

      This describes the information on the Cloud Security service

      Used by actions: CreateLaunchConfiguration, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      Enabled Boolean No Whether to enable the Cloud Security service. Value range:
    • TRUE: Cloud Security is enabled
    • FALSE: Cloud Security is disabled

      Default value: TRUE.
      Note: This field may return null, indicating that no valid values can be obtained.
      		•

      ScalingPolicy

      Alarm trigger policy.

      Used by actions: DescribeScalingPolicies.

      Name Type Description
      AutoScalingGroupId String Auto scaling group ID.
      AutoScalingPolicyId String Alarm trigger policy ID.
      ScalingPolicyType String Scaling policy type. Valid values:
      - SIMPLE: A simple policy.
      - TARGET_TRACKING: A target tracking policy.
      ScalingPolicyName String Alarm trigger policy name.
      AdjustmentType String The method to adjust the desired capacity after the alarm is triggered. It’s only available when ScalingPolicyType is Simple. Valid values:
    • CHANGE_IN_CAPACITY: Increase or decrease the desired capacity
    • EXACT_CAPACITY: Adjust to the specified desired capacity
    • PERCENT_CHANGE_IN_CAPACITY: Adjust the desired capacity by percentage
      • AdjustmentValue Integer The adjusted value of desired capacity after the alarm is triggered. This parameter is only applicable to a simple policy.
      Cooldown Integer Cooldown period. This parameter is only applicable to a simple policy.
      MetricAlarm MetricAlarm Alarm monitoring metrics of a simple policy.
      PredefinedMetricType String Preset monitoring item. It’s only available when ScalingPolicyType is TARGET_TRACKING. Valid values:
    • ASG_AVG_CPU_UTILIZATION: Average CPU utilization
    • ASG_AVG_LAN_TRAFFIC_OUT: Average private bandwidth out
    • ASG_AVG_LAN_TRAFFIC_IN: Average private bandwidth in
    • ASG_AVG_WAN_TRAFFIC_OUT: Average public bandwidth out
    • ASG_AVG_WAN_TRAFFIC_IN: Average public bandwidth in

      • Note: This field may return null, indicating that no valid values can be obtained.
      TargetValue Integer Target value. It’s only available when ScalingPolicyType is TARGET_TRACKING. Value ranges:
    • ASG_AVG_CPU_UTILIZATION (in %): [1, 100)
    • ASG_AVG_LAN_TRAFFIC_OUT (in Mbps): >0
    • ASG_AVG_LAN_TRAFFIC_IN (in Mbps): >0
    • ASG_AVG_WAN_TRAFFIC_OUT (in Mbps): >0
    • ASG_AVG_WAN_TRAFFIC_IN (in Mbps): >0

      • Note: This field may return null, indicating that no valid values can be obtained.
      EstimatedInstanceWarmup Integer Instance warm-up period (in seconds). It’s only available when ScalingPolicyType is TARGET_TRACKING. Value range: 0-3600.
      Note: This field may return null, indicating that no valid values can be obtained.
      DisableScaleIn Boolean Whether to disable scale-in. It’s only available when ScalingPolicyType is TARGET_TRACKING. Valid values:
    • true: Scaling in is not allowed.
    • false: Allows both scale-out and scale-in

      • Note: This field may return null, indicating that no valid values can be obtained.
      MetricAlarms Array of MetricAlarm List of alarm monitoring metrics. This parameter is only applicable to a target tracking policy.
      Note: This field may return null, indicating that no valid values can be obtained.
      NotificationUserGroupIds Array of String Notification group ID, which is the set of user group IDs.

      ScheduledAction

      This describes the information of a scheduled task.

      Used by actions: DescribeScheduledActions.

      Name Type Description
      ScheduledActionId String Scheduled task ID.
      ScheduledActionName String Scheduled task name.
      AutoScalingGroupId String ID of the auto scaling group where the scheduled task is located.
      StartTime Timestamp ISO8601 Start time of the scheduled task. The value is in Beijing time (UTC+8) in the format of YYYY-MM-DDThh:mm:ss+08:00 according to the ISO8601 standard.
      Recurrence String Repeating mode of the scheduled task.
      EndTime Timestamp ISO8601 End time of the scheduled task. The value is in Beijing time (UTC+8) in the format of YYYY-MM-DDThh:mm:ss+08:00 according to the ISO8601 standard.
      MaxSize Integer Maximum number of instances set by the scheduled task.
      DesiredCapacity Integer Desired number of instances set by the scheduled task.
      MinSize Integer Minimum number of instances set by the scheduled task.
      CreatedTime Timestamp ISO8601 Creation time of the scheduled task. The value is in UTC time in the format of YYYY-MM-DDThh:mm:ssZ according to the ISO8601 standard.
      ScheduledType String Specifies how the scheduled action is executed.
    • CRONTAB: execute repeatedly
    • ONCE: execute only once
      		•

      ServiceSettings

      Service settings

      Used by actions: CreateAutoScalingGroup, DescribeAutoScalingGroups, ModifyAutoScalingGroup.

      Name Type Required Description
      ReplaceMonitorUnhealthy Boolean No Enables unhealthy instance replacement. If this feature is enabled, AS will replace instances that are flagged as unhealthy by Cloud Monitor. If this parameter is not specified, the value will be False by default.
      ScalingMode String No Valid values:
      CLASSIC_SCALING: this is the typical scaling method, which creates and terminates instances to perform scaling operations.
      WAKE_UP_STOPPED_SCALING: this scaling method first tries to start stopped instances. If the number of instances woken up is insufficient, the system creates new instances for scale-out. For scale-in, instances are terminated as in the typical method. You can use the StopAutoScalingInstances API to stop instances in the scaling group. Scale-out operations triggered by alarms will still create new instances.
      Default value: CLASSIC_SCALING
      ReplaceLoadBalancerUnhealthy Boolean No Enable unhealthy instance replacement. If this feature is enabled, AS will replace instances that are found unhealthy in the CLB health check. If this parameter is not specified, the default value False will be used.
      ReplaceMode String No Replace mode of unhealthy replacement service. Valid values:
      RECREATE: Rebuild an instance to replace the original unhealthy instance.
      RESET: Performing a system reinstallation on unhealthy instances to keep information such as data disks, private IP addresses, and instance IDs unchanged. The instance login settings, HostName, enhanced services, and UserData will remain consistent with the current launch configuration.
      Default value: RECREATE.
      Note: This field may return null, indicating that no valid values can be obtained.

      SpotMarketOptions

      Bidding-related options

      Used by actions: CreateLaunchConfiguration, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      MaxPrice String Yes Bidding price such as "1.05"
      SpotInstanceType String No Bid request type. Currently, only "one-time" type is supported. Default value: one-time
      Note: This field may return null, indicating that no valid values can be obtained.

      SpotMixedAllocationPolicy

      Specifies how to assign pay-as-you-go instances and spot instances in a mixed instance mode.

      Used by actions: CreateAutoScalingGroup, DescribeAutoScalingGroups, ModifyAutoScalingGroup.

      Name Type Required Description
      BaseCapacity Integer No The minimum number of the scaling group’s capacity that must be fulfilled by pay-as-you-go instances. It defaults to 0 if not specified. Its value cannot exceed the max capacity of the scaling group.
      Note: this field may return null, indicating that no valid value can be obtained.
      OnDemandPercentageAboveBaseCapacity Integer No Controls the percentage of pay-as-you-go instances for the additional capacity beyond BaseCapacity. Valid range: 0-100. The value 0 indicates that only spot instances are provisioned, while the value 100 indicates that only pay-as-you-go instances are provisioned. It defaults to 70 if not specified. The number of pay-as-you-go instances calculated on the percentage should be rounded up.
      For example, if the desired capacity is 3, the BaseCapacity is set to 1, and the OnDemandPercentageAboveBaseCapacity is set to 1, the scaling group will have 2 pay-as-you-go instance (one comes from the base capacity, and the other comes from the rounded up value of the proportion), and 1 spot instance.
      Note: this field may return null, indicating that no valid value can be obtained.
      SpotAllocationStrategy String No Specifies how to assign spot instances in a mixed instance mode. Valid values: COST_OPTIMIZED and CAPACITY_OPTIMIZED; default value: COST_OPTIMIZED.

    • COST_OPTIMIZED: the lowest cost policy. For each model in the launch configuration, AS tries to purchase it based on the lowest unit price per core in each availability zone. If the purchase failed, try the second-lowest unit price.

    • CAPACITY_OPTIMIZED: the optimal capacity policy. For each model in the launch configuration, AS tries to purchase it based on the largest stock in each availability zone, minimizing the automatic repossession probability of spot instances.
      Note: this field may return null, indicating that no valid value can be obtained.
      		•
      CompensateWithBaseInstance Boolean No Whether to replace with pay-as-you go instances. Valid values:

    • TRUE: yes. After the purchase of spot instances failed due to insufficient stock and other reasons, purchase pay-as-you-go instances.

    • FALSE: no. The scaling group only tries the configured model of spot instances when it needs to add spot instances.

      Default value: TRUE.
      Note: this field may return null, indicating that no valid value can be obtained.
      		•

      SystemDisk

      System disk configuration of the launch configuration. If this parameter is not specified, the default value is assigned to it.

      Used by actions: CreateLaunchConfiguration, DescribeLaunchConfigurations, ModifyLaunchConfigurationAttributes, UpgradeLaunchConfiguration.

      Name Type Required Description
      DiskType String No System disk type. For more information on limits of system disk types, see Cloud Disk Types. Valid values:
    • LOCAL_BASIC: local disk
    • LOCAL_SSD: local SSD disk
    • CLOUD_BASIC: HDD cloud disk
    • CLOUD_PREMIUM: premium cloud storage
    • CLOUD_SSD: SSD cloud disk

      Default value: CLOUD_PREMIUM.
      Note: this field may return null, indicating that no valid value can be obtained.
      		•
      DiskSize Integer No System disk size in GB. Default value: 50
      Note: This field may return null, indicating that no valid values can be obtained.

      Tag

      Resource type and tag key-value pair

      Used by actions: CreateAutoScalingGroup, CreateLaunchConfiguration, DescribeAutoScalingGroups, DescribeLaunchConfigurations.

      Name Type Required Description
      Key String Yes Tag key
      Value String Yes Tag value
      ResourceType String No Type of the resource binded to the tag. Currently supported types include "auto-scaling-group"
      Note: This field may return null, indicating that no valid values can be obtained.

      TargetAttribute

      Load balancer target attribute

      Used by actions: AttachLoadBalancers, CreateAutoScalingGroup, DescribeAutoScalingGroups, ModifyLoadBalancerTargetAttributes, ModifyLoadBalancers.

      Name Type Required Description
      Port Integer Yes Port
      Weight Integer Yes Weight
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