AWS App Mesh
API Reference (API Version 2019-01-25)

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Updates an existing route for a specified service mesh and virtual router.

Request Syntax

PUT /v20190125/meshes/meshName/virtualRouter/virtualRouterName/routes/routeName HTTP/1.1 Content-type: application/json { "clientToken": "string", "spec": { "httpRoute": { "action": { "weightedTargets": [ { "virtualNode": "string", "weight": number } ] }, "match": { "headers": [ { "invert": boolean, "match": { "exact": "string", "prefix": "string", "range": { "end": number, "start": number }, "regex": "string", "suffix": "string" }, "name": "string" } ], "method": "string", "prefix": "string", "scheme": "string" }, "retryPolicy": { "httpRetryEvents": [ "string" ], "maxRetries": number, "perRetryTimeout": { "unit": "string", "value": number }, "tcpRetryEvents": [ "string" ] } }, "priority": number, "tcpRoute": { "action": { "weightedTargets": [ { "virtualNode": "string", "weight": number } ] } } } }

URI Request Parameters

The request requires the following URI parameters.


The name of the service mesh that the route resides in.

Length Constraints: Minimum length of 1. Maximum length of 255.


The name of the route to update.

Length Constraints: Minimum length of 1. Maximum length of 255.


The name of the virtual router that the route is associated with.

Length Constraints: Minimum length of 1. Maximum length of 255.

Request Body

The request accepts the following data in JSON format.


Unique, case-sensitive identifier that you provide to ensure the idempotency of the request. Up to 36 letters, numbers, hyphens, and underscores are allowed.

Type: String

Required: No


The new route specification to apply. This overwrites the existing data.

Type: RouteSpec object

Required: Yes

Response Syntax

HTTP/1.1 200 Content-type: application/json { "route": { "meshName": "string", "metadata": { "arn": "string", "createdAt": number, "lastUpdatedAt": number, "uid": "string", "version": number }, "routeName": "string", "spec": { "httpRoute": { "action": { "weightedTargets": [ { "virtualNode": "string", "weight": number } ] }, "match": { "headers": [ { "invert": boolean, "match": { "exact": "string", "prefix": "string", "range": { "end": number, "start": number }, "regex": "string", "suffix": "string" }, "name": "string" } ], "method": "string", "prefix": "string", "scheme": "string" }, "retryPolicy": { "httpRetryEvents": [ "string" ], "maxRetries": number, "perRetryTimeout": { "unit": "string", "value": number }, "tcpRetryEvents": [ "string" ] } }, "priority": number, "tcpRoute": { "action": { "weightedTargets": [ { "virtualNode": "string", "weight": number } ] } } }, "status": { "status": "string" }, "virtualRouterName": "string" } }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


A full description of the route that was updated.

Type: RouteData object



The request syntax was malformed. Check your request syntax and try again.

HTTP Status Code: 400


The request contains a client token that was used for a previous update resource call with different specifications. Try the request again with a new client token.

HTTP Status Code: 409


You don't have permissions to perform this action.

HTTP Status Code: 403


The request processing has failed because of an unknown error, exception, or failure.

HTTP Status Code: 500


You have exceeded a service limit for your account. For more information, see Service Limits in the AWS App Mesh User Guide.

HTTP Status Code: 400


The specified resource doesn't exist. Check your request syntax and try again.

HTTP Status Code: 404


The request has failed due to a temporary failure of the service.

HTTP Status Code: 503


The maximum request rate permitted by the App Mesh APIs has been exceeded for your account. For best results, use an increasing or variable sleep interval between requests.

HTTP Status Code: 429


In the following example or examples, the Authorization header contents ( AUTHPARAMS) must be replaced with an AWS Signature Version 4 signature. For more information about creating these signatures, see Signature Version 4 Signing Process in the AWS General Reference.

You need to learn how to sign HTTP requests only if you intend to manually create them. When you use the AWS Command Line Interface (AWS CLI) or one of the AWS SDKs to make requests to AWS, these tools automatically sign the requests for you with the access key that you specify when you configure the tools. When you use these tools, you don't need to learn how to sign requests yourself.


The following example updates a route for the virtual router named colorteller-vr in the ecs-mesh service mesh. The route directs traffic to two weighted targets: 80% to colorteller-blue-vn and 20% to colorteller-red-vn.

Sample Request

PUT /v20190125/meshes/ecs-mesh/virtualRouter/colorteller-vr/routes/colorteller-route HTTP/1.1 Host: Accept-Encoding: identity User-Agent: aws-cli/1.16.56 Python/3.7.0 Darwin/17.7.0 botocore/1.12.46 X-Amz-Date: 20190228T001532Z Authorization: AUTHPARAMS { "spec": { "httpRoute": { "action": { "weightedTargets": [ { "virtualNode": "colorteller-blue-vn", "weight": 8 }, { "virtualNode": "colorteller-red-vn", "weight": 2 } ] }, "match": { "prefix": "/" } } }, "clientToken": "e8bbfdff-5d3a-4e5c-9c32-571bad83b021" }

Sample Response

HTTP/1.1 200 OK x-amzn-requestid: 3375b176-77ba-4f76-be44-98ec4a839b8c content-type: application/json content-length: 557 date: Thu, 28 Feb 2019 00:15:32 GMT x-envoy-upstream-service-time: 56 server: envoy Connection: keep-alive { "meshName": "ecs-mesh", "metadata": { "arn": "arn:aws:appmesh:us-east-1:012345678910:mesh/ecs-mesh/virtualRouter/colorteller-vr/route/colorteller-route", "createdAt": 1.551311817276E9, "lastUpdatedAt": 1.551312932979E9, "uid": "1cf3109a-0d7f-438c-b17d-a3785f14ff7b", "version": 2 }, "routeName": "colorteller-route", "spec": { "httpRoute": { "action": { "weightedTargets": [{ "virtualNode": "colorteller-blue-vn", "weight": 8 }, { "virtualNode": "colorteller-red-vn", "weight": 2 }] }, "match": { "prefix": "/" } }, "tcpRoute": null }, "status": { "status": "ACTIVE" }, "virtualRouterName": "colorteller-vr" }

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: