AWS::AppMesh::VirtualNode HealthCheck - Amazon CloudFormation
SyntaxProperties
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AWS::AppMesh::VirtualNode HealthCheck

An object that represents the health check policy for a virtual node's listener.

Syntax

To declare this entity in your Amazon CloudFormation template, use the following syntax:

JSON

{
  "HealthyThreshold" : Integer,
  "IntervalMillis" : Integer,
  "Path" : String,
  "Port" : Integer,
  "Protocol" : String,
  "TimeoutMillis" : Integer,
  "UnhealthyThreshold" : Integer
}

YAML

  HealthyThreshold: Integer
  IntervalMillis: Integer
  Path: String
  Port: Integer
  Protocol: String
  TimeoutMillis: Integer
  UnhealthyThreshold: Integer

Properties

HealthyThreshold

The number of consecutive successful health checks that must occur before declaring listener healthy.

Required: Yes

Type: Integer

Minimum: 2

Maximum: 10

Update requires: No interruption

IntervalMillis

The time period in milliseconds between each health check execution.

Required: Yes

Type: Integer

Update requires: No interruption

Path

The destination path for the health check request. This value is only used if the specified protocol is HTTP or HTTP/2. For any other protocol, this value is ignored.

Required: No

Type: String

Update requires: No interruption

Port

The destination port for the health check request. This port must match the port defined in the PortMapping for the listener.

Required: No

Type: Integer

Minimum: 1

Maximum: 65535

Update requires: No interruption

Protocol

The protocol for the health check request. If you specify grpc, then your service must conform to the GRPC Health Checking Protocol.

Required: Yes

Type: String

Allowed values: http | tcp | http2 | grpc

Update requires: No interruption

TimeoutMillis

The amount of time to wait when receiving a response from the health check, in milliseconds.

Required: Yes

Type: Integer

Update requires: No interruption

UnhealthyThreshold

The number of consecutive failed health checks that must occur before declaring a virtual node unhealthy.

Required: Yes

Type: Integer

Minimum: 2

Maximum: 10

Update requires: No interruption