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You can update an auto-scaling policy using the CLI tool, REST API or the PPaaS Console as shown below:

 

Localtabgroup
Localtab
activetrue
titleCLI

Updating an auto-scaling policy via the CLI

Overview
CLI command
update-autoscaling-policy
DescriptionUpdate an auto-scaling policy.
Command format
Code Block
update-autoscaling-policy -p <JSON_FILE_PATH>
Info

The path to the JSON file that defines the auto-scaling policy needs to be defined as the  <JSON_FILE_PATH>  value.

Parameter definition
Short optionLong optionDescriptionRequiredExample value
-p--resource-pathFolder path where the JSON file that defines the auto-scaling policy is stored.Yes

<PRIVATE_PAAS_CARTRIDGES>/wso2am/1.9.0/samples
/autoscaling-policies/autoscaling-policy-1.json

Example

Update the auto-scaling policy defined in the <PRIVATE_PAAS_CARTRIDGES>/wso2am/1.9.0/samples/autoscaling-policies/autoscaling-policy-1.json file.

Code Block
update-autoscaling-policy -p <PRIVATE_PAAS_CARTRIDGES>/wso2am/1.9.0/samples/autoscaling-policies/autoscaling-policy-1.json
Sample output
Code Block
Autoscaling policy updated successfully: [autoscale-policy] autoscaling-policy-1
Localtab
titleREST API

Updating an auto-scaling policy via the REST API

Overview
DescriptionUpdate a specific auto-scaling policy.
URL/autoscalingPolicies
HTTP MethodPUT
Request/Response Formatapplication/json
Command format
Code Block
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
Info
  • 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.
Example

Update the auto-scaling policy defined in the <PRIVATE_PAAS_CARTRIDGES>/wso2am/1.9.0/samples/autoscaling-policies/autoscaling-policy-1.json file.

Code Block
cd <PRIVATE_PAAS_CARTRIDGES>/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
Sample output
Code Block
> 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.

Localtab
titlePPaaS Console

Updating an auto-scaling policy via the PPaaS Console

Updating an auto-scaling policy via the UI editor

Follow the instructions below to view the details of an auto-scaling policy:

  1. Click Configurations on the home page.
    Image Added
  2. Click Auto-scaling Policies.
    Image Added
  3. Hover your mouse pointer over the auto-scaling policy that you wish to update for the Edit button to appear and click Edit.
    Image Added
  4. Update the auto-scaling policy definition. For property definitions, see the Auto-scaling Policy Resource Definition.
    Image Added
  5. Click Save.
Updating an auto-scaling policy via the JSON editor

Follow the instructions below to view the details of an auto-scaling policy:

  1. Click Configurations on the home page.
    Image Added
  2. Click Auto-scaling Policies.
    Image Added
  3. Hover your mouse pointer over the auto-scaling policy that you wish to update for the Edit button to appear and click Edit.
    Image Added
  4. Click on the editor control to switch to the JSON editor. The JSON code format to update a auto-scaling policy will appear.Image Added
  5. Optionally, check the Auto correct with schema option to ensure that you do not accidentally delete any mandatory fields from the auto-scaling policy definition JSON code.
    Image Added
  6. Update the auto-scaling policy definition using JSON. For property definitions, see the Auto-scaling Policy Resource Definition.
  7. Click Save to save the changes of the updated auto-scaling policy definition.

 

...

 

Note

The auto-scaling policy ID ( id ) can not be changed in the updating process.

Sample auto-scaling policy JSON

Insert excerpt
Adding an Auto-scaling Policy
Adding an Auto-scaling Policy
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