CloudOps Orchestration Service:ACS-ECS-BulkyRunCommandInSLBDefaultServerGroup

Template name

ACS-ECS-BulkyRunCommandInSLBDefaultServerGroup: Runs commands in batches on ECS instances in the default server group of an SLB instance.

Run now

Description

Runs commands in batches on ECS instances in the default server group of an SLB instance.

Template type

Automation

Owner

Alibaba Cloud

Input parameters

Parameter Name	Description	Type	Required	Default	Constraints
loadBalancerId	The ID of the SLB instance.	String	Yes
commandType	The type of the Cloud Assistant command.	String	No	RunShellScript
commandContent	The Cloud Assistant command to run on ECS instances.	String	No	echo hello
rateControl	The concurrency rate for task execution.	Json	No	{‘Mode’: ‘Concurrency’, ‘MaxErrors’: 0, ‘Concurrency’: 1}
OOSAssumeRole	The RAM role that OOS assumes.	String	No	""

Output parameters

Parameter Name	Description	Type
commandOutputs		List

Permissions required to run this template

{
    "Version": "1",
    "Statement": [
        {
            "Action": [
                "slb:DescribeLoadBalancerAttribute",
                "slb:SetBackendServers"
            ],
            "Resource": "*",
            "Effect": "Allow"
        },
        {
            "Action": [
                "ecs:DescribeInvocationResults",
                "ecs:DescribeInvocations",
                "ecs:RunCommand"
            ],
            "Resource": "*",
            "Effect": "Allow"
        }
    ]
}

Details

ACS-ECS-BulkyRunCommandInSLBDefaultServerGroup details

Template content

FormatVersion: OOS-2019-06-01
Description:
  en: Runs commands in batches on ECS instances in the default server group of an SLB instance.
  name-en: ACS-ECS-BulkyRunCommandInSLBDefaultServerGroup
  categories:
    - slb_management
Parameters:
  loadBalancerId:
    Label:
      en: SLB instance ID
    Type: String
  commandType:
    Label:
      en: Cloud Assistant command type
    Type: String
    AllowedValues:
      - RunBatScript
      - RunPowerShellScript
      - RunShellScript
    Default: RunShellScript
  commandContent:
    Label:
      en: Cloud Assistant command to run on the ECS instances
    Type: String
    AssociationProperty: Code
    Default: echo hello
  rateControl:
    Label:
      en: Task execution concurrency rate
    Type: Json
    AssociationProperty: RateControl
    Default:
      Mode: Concurrency
      MaxErrors: 0
      Concurrency: 1
  OOSAssumeRole:
    Label:
      en: RAM role for OOS to assume
    Type: String
    Default: ''
RamRole: '{{ OOSAssumeRole }}'
Tasks:
  - Name: describeLoadBalancerAttribute
    Action: ACS::ExecuteApi
    Description:
      en: Retrieves the attributes of the default server group for the SLB instance.
    Properties:
      Service: SLB
      API: DescribeLoadBalancerAttribute
      Parameters:
        LoadBalancerId: '{{ loadBalancerId }}'
    Outputs:
      BackendServers:
        Type: List
        ValueSelector: BackendServers.BackendServer[]
      port:
        Type: Number
        ValueSelector: ListenerPorts.ListenerPort[]
  - Name: runCommand
    Action: ACS::ECS::ElegantRunCommandInSLBDefaultServerGroup
    Description:
      en: Runs the Cloud Assistant command.
    Properties:
      loadBalancerId: '{{ LoadBalancerId }}'
      commandContent: '{{ commandContent }}'
      commandType: '{{ commandType }}'
      serverId:
        'Fn::Select':
          - ServerId
          - '{{ ACS::TaskLoopItem }}'
      weight:
        'Fn::Select':
          - Weight
          - '{{ ACS::TaskLoopItem }}'
      type:
        'Fn::Select':
          - Type
          - '{{ ACS::TaskLoopItem }}'
      port: '{{ describeLoadBalancerAttribute.port }}'
    Loop:
      RateControl: '{{ rateControl }}'
      Items: '{{ describeLoadBalancerAttribute.BackendServers }}'
      Outputs:
        commandOutputs:
          AggregateType: Fn::ListJoin
          AggregateField: commandOutput
    Outputs:
      commandOutput:
        Type: String
        ValueSelector: commandOutput
Outputs:
  commandOutputs:
    Type: List
    Value: '{{ runCommand.commandOutputs }}'
Metadata:
  ALIYUN::OOS::Interface:
    ParameterGroups:
      - Parameters:
          - loadBalancerId
          - commandType
          - commandContent
        Label:
          default:
            en: Configure parameters
      - Parameters:
          - rateControl
          - OOSAssumeRole
        Label:
          default:
            en: Advanced options