Set EMR Elastigroup Capacity Limits

These are simple node projects that allows you to connect to the Spotinst API and set the capacity limits for your EMR Elastigroup

Upload Zip Through the Spotinst Console (SetEMRCapacity.zip)

1. Go to the Spotinst Functions console and select “+ Create Function”
2. Input:
   1. Name: “Set EMR Elastigroup Capacity"
   2. Runtime: NodeJS 8.3
   3. Application: Wherever you want
   4. Environment: Wherever you want
   5. Handler: “main”
3. Select “Upload ZIP/JAR file” and select the zip file that you downloaded from above
4. Change Security to Public
5. Open Advanced and Create the Environment Variables:
   1. spotToken : <Your Spotinst API Token>
   2. spotAccount : <Your Spotinst Account ID>
   3. spotEMR : <Your Spotinst EMR Elastigroup ID>
   4. target : <The Target Number of Instances>
   5. min : <Min Number of Instances>
   6. max : <Max Number of Instance>
6. Select “+ Create Function“ at the bottom of the screen
7. Do this for both functions

Test Function

1. Once the function has been deployed go to the “Testing” tab
2. Select Run Test
3. You should see “Success” on the console
4. You can check the logs in the next tab and there you will see the request and response that you just made

** NOTE: It may take up to a minute for you function to load the first time

Set Up Timer

1. In the Spotinst Console Under the function go to the “Triggers” tab
2. Select “Add Trigger”
3. Input the cron function you want it to run on. For help checkout the cronguru.com
4. Once your function has updated check back on the logs to make sure that it is working right