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jthomas avatar jthomas commented on May 29, 2024

I've been looking into surfacing HTTP traces to assist debugging issues. This library uses the request npm module as the HTTP client. I've discovered this library supports a configuration flag to dump HTTP traffic.

NODE_DEBUG=request node script.js

Here's an example of the output for the following code.

var ow = openwhisk({api_key: 'xxx:yyy', apihost: 'openwhisk.ng.bluemix.net', namespace: '[email protected]_dev'});

ow.actions.list().then(console.log).catch(console.log)

NODE_DEBUG=request node test.js
REQUEST { json: true,
  method: 'GET',
  url: 'https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions',
  rejectUnauthorized: true,
  headers: { Authorization: 'Basic xxxxxx=' },
  qs: {},
  callback: undefined,
  transform: undefined,
  simple: true,
  resolveWithFullResponse: false }
REQUEST make request https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions
REQUEST onRequestResponse https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions 200 { 'x-backside-transport': 'OK OK',
  connection: 'close',
  'transfer-encoding': 'chunked',
  server: 'nginx/1.11.10',
  date: 'Sat, 11 Mar 2017 08:48:07 GMT',
  'content-type': 'application/json; charset=UTF-8',
  'access-control-allow-origin': '*',
  'access-control-allow-headers': 'Authorization, Content-Type',
  'x-global-transaction-id': '3848629955',
  'set-cookie': [ 'DPJSESSIONID=xxxx; Path=/; Domain=.whisk.ng.bluemix.net' ] }
REQUEST reading response's body
REQUEST finish init function https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions
REQUEST response end https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions 200 { 'x-backside-transport': 'OK OK',
  connection: 'close',
  'transfer-encoding': 'chunked',
  server: 'nginx/1.11.10',
  date: 'Sat, 11 Mar 2017 08:48:07 GMT',
  'content-type': 'application/json; charset=UTF-8',
  'access-control-allow-origin': '*',
  'access-control-allow-headers': 'Authorization, Content-Type',
  'x-global-transaction-id': '3848629955',
  'set-cookie': [ 'DPJSESSIONID=xxxx; Path=/; Domain=.whisk.ng.bluemix.net' ] }
REQUEST end event https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions
REQUEST has body https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions 945
REQUEST emitting complete https://openwhisk.ng.bluemix.net/api/v1/namespaces/james.thomas%40uk.ibm.com_dev/actions

This looks like a good solution for helping to get HTTP traffic when encountering issues.
@rabbah & @starpit - what do you think? is this enough?

If we like this, I'll document it in the README.md as our solution.

from openwhisk-client-js.

starpit avatar starpit commented on May 29, 2024

For me, the main thing is being specific about failures. The cli has the same problem (and itself had open issues on this very point).

Right now, I neither get specifics about my failing request, nor (and worse, in my opinion) a helpful stack trace. The stack trace is blinded by some async intermediary.

With the proposal, I would... somehow have to re-execute my failing request? This won't help with prod failures. And, anyway, how does one inject an envvar in to a whisk-excuted action?

from openwhisk-client-js.

jthomas avatar jthomas commented on May 29, 2024

I've added information about this feature to the README.
https://github.com/openwhisk/openwhisk-client-js/blob/master/README.md#debugging

Turning this on at runtime can be done like....

process.env.NODE_DEBUG='request';
var openwhisk = require('openwhisk');

function main(params) {
  var ow = openwhisk();  

  return ow.actions.list().then(arr => ({result: arr}))
}

from openwhisk-client-js.

jthomas avatar jthomas commented on May 29, 2024

@starpit I agree that the error responses from the library could be more helpful but I think some of that is due to that platform responses.

I'm going to close this ticket as resolved and can we open another issue for error messages and discuss requirements?

from openwhisk-client-js.

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