ZeroDivisionError

[rasschaert]

I suspect that I'm not using one of the categories on which it's trying to report, so my usage cost is 0.

PS C:\Users\foo\bar\aws-billing-to-slack-master> serverless invoke --function report_cost --slack_url="https://hooks.slack.com/services/xxxx" --region eu-west-3

 Serverless Warning --------------------------------------

  A valid option to satisfy the declaration 'opt:credits_expire_date' could not be found.


 Serverless Warning --------------------------------------

  A valid option to satisfy the declaration 'opt:credits_remaining_date' could not be found.


 Serverless Warning --------------------------------------

  A valid option to satisfy the declaration 'opt:credits_remaining' could not be found.

{
    "errorMessage": "float division by zero",
    "errorType": "ZeroDivisionError",
    "stackTrace": [
        "  File \"/var/task/handler.py\", line 77, in report_cost\n    buffer += \"%-40s %s $%5.2f\\n\" % (service_name, sparkline(costs), costs[-1])\n",
        "  File \"/var/task/handler.py\", line 22, in sparkline\n    scaled = (dp - lower) / width\n"
    ]
}

  Error --------------------------------------------------

  Error: Invoked function failed
      at AwsInvoke.log (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\lib\plugins\aws\invoke\index.js:105:31)
      at AwsInvoke.tryCatcher (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\util.js:16:23)
      at Promise._settlePromiseFromHandler (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\promise.js:547:31)
      at Promise._settlePromise (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\promise.js:604:18)
      at Promise._settlePromise0 (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\promise.js:649:10)
      at Promise._settlePromises (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\promise.js:729:18)
      at _drainQueueStep (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\async.js:93:12)
      at _drainQueue (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\async.js:86:9)
      at Async._drainQueues (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\async.js:102:5)
      at Immediate.Async.drainQueues (C:\Users\foo\AppData\Roaming\npm\node_modules\serverless\node_modules\bluebird\js\release\async.js:15:14)
      at runCallback (timers.js:794:20)
      at tryOnImmediate (timers.js:752:5)
      at processImmediate [as _immediateCallback] (timers.js:729:5)

     For debugging logs, run again after setting the "SLS_DEBUG=*" environment variable.

  Get Support --------------------------------------------
     Docs:          docs.serverless.com
     Bugs:          github.com/serverless/serverless/issues
     Issues:        forum.serverless.com

  Your Environment Information ---------------------------
     Operating System:          win32
     Node Version:              8.11.1
     Framework Version:         1.57.0
     Plugin Version:            3.2.2
     SDK Version:               2.2.1
     Components Core Version:   1.1.2
     Components CLI Version:    1.4.0

PS C:\Users\foo\bar\aws-billing-to-slack-master>