You can update an auto-scaling policy using the CLI tool, REST API or the management console (UI) as PPaaS Console as shown below:
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title | Sample auto-scaling policy JSON |
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| Update Updating an auto-scaling policy via the CLIOverviewCLI command | update-autoscaling-policy | Description | Update an auto-scaling policy. | Command format | Code Block |
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update-autoscaling-policy -p <JSON_FILE_PATH> |
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The path to the JSON file that defines the auto-scaling policy needs to be defined as the <JSON_FILE_PATH> value. |
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Parameter definitionShort option | Long option | Description | Required | Example value |
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-p | --resource-path | Folder path where the JSON file that defines the auto-scaling policy is stored. | Yes | <PRIVATE_PAAS_SAMPLES>/commonCARTRIDGES>/wso2am/1.9.0/samples /autoscaling-policies/autoscaling-policy-1.json
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ExampleUpdate the auto-scaling policy defined in the <PRIVATE_PAAS_SAMPLES>/commonCARTRIDGES>/wso2am/1.9.0/samples/autoscaling-policies/autoscaling-policy-1.json file. Code Block |
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update-autoscaling-policy -p <PRIVATE_PAAS_SAMPLES>/commonCARTRIDGES>/wso2am/1.9.0/samples/autoscaling-policies/autoscaling-policy-1.json |
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Autoscaling policy updated successfully: [autoscale-policy] autoscaling-policy-1 |
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| Update Updating an auto-scaling policy via the REST APIOverviewDescription | Update a specific auto-scaling policy. | URL | /autoscalingPolicies | HTTP Method | PUT | Request/Response Format | application/json | Command format | Code Block |
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curl -X POST -H "Content-Type: application/json" -d @'<JSON_PAYLOAD>' -k -v -u <USERNAME>:<PASSWORD> https://<PRIVATE_PAAS_HOST>:<PRIVATE_PAAS_HTTPS_PORT>/api/autoscalingPolicies
curl -X PUT -H "Content-Type: application/json" -d @'<JSON_PAYLOAD>' -k -v -u USERNAME>:<PASSWORD> https://<PRIVATE_PAAS_HOST>:<PRIVATE_PAAS_HTTPS_PORT>/api/autoscalingPolicies |
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- The path to the JSON file that defines the auto-scaling policy that needs to be defined as the
<JSON_PAYLOAD> value. - By default,
<USERNAME>:<PASSWORD> is admin:admin. - By default,
<PRIVATE_PAAS_HOST> is localhost. However, if you are using a public IP, the respective IP address or domain needs to be specified. - By default,
<PRIVATE_PAAS_HTTPS_PORT> has been set to 9443. However, if the port offset has been incremented by n , the default port value needs to be incremented by n .
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ExampleUpdate the auto-scaling policy defined in the the <PRIVATE_PAAS_SAMPLES>/commonCARTRIDGES>/wso2am/1.9.0/samples/autoscaling-policies/autoscaling-policy-1.json file. Code Block |
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cd <PRIVATE_PAAS_SAMPLES>/commonCARTRIDGES>/wso2am/1.9.0/samples
curl -X PUT -H "Content-Type: application/json" -d @'autoscaling-policies/autoscaling-policy-1.json' -k -v -u admin:admin https://localhost:9443/api/autoscalingPolicies |
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> PUT /api/autoscalingPolicies HTTP/1.1
> Host: localhost:9443
> Authorization: Basic YWRtaW46YWRtaW4=
> User-Agent: curl/7.43.0
> Accept: */*
> Content-Type: application/json
> Content-Length: 257
>
< HTTP/1.1 200 OK
< Date: Mon, 05 Oct 2015 09:51:36 GMT
< Content-Type: application/json
< Transfer-Encoding: chunked
< Server: WSO2 Carbon Server
<
{"status":"success","message":"Autoscaling policy updated successfully: [autoscale-policy] autoscaling-policy-1"} |
You will come across the following HTTP status codes while updating an auto-scaling policy: HTTP status code | 200, 404, 500 See the descriptions of the HTTP status codes here. |
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The auto-scaling policy ID ( id ) can not be changed in the updating process. Code Block | {
"id": "autoscaling-policy-1",
"loadThresholds": {
"requestsInFlight": {
"threshold": 20
},
"memoryConsumption": {
"threshold": 80
},
"loadAverage": {
"threshold": 120
}
}
} |
Sample auto-scaling policy JSON
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| Adding an Auto-scaling Policy |
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| Adding an Auto-scaling Policy |
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