topcoder-bus-api-wrapper

Wrapper library for Topcoder Bus API

How to use this Wrapper

Install Topcoder bus api wrapper as

npm i topcoder-bus-api-wrapper

Create an instance of this wrapper with the configuration variables listed below

const busApi = require('topcoder-bus-api-wrapper')
const busApiClient = busApi(_.pick(config,
      ['AUTH0_URL', 'AUTH0_AUDIENCE', 'TOKEN_CACHE_TIME',
        'AUTH0_CLIENT_ID', 'AUTH0_CLIENT_SECRET', 'BUSAPI_URL',
        'KAFKA_ERROR_TOPIC']))

Configuration / Environment variables:

• Auth0 related variables

  • AUTH0_URL
  • AUTH0_AUDIENCE
  • TOKEN_CACHE_TIME (optional)
  • AUTH0_CLIENT_ID

• BUSAPI_URL - Bus API URL. E.g. https://api.topcoder-dev.com/v5

• KAFKA_ERROR_TOPIC - Error topic in Kafka to which error message need to be posted

Every function in this wrapper will return a promise, Handling promises is at the caller end. Call the functions with appropriate arguments

E.g.

busApiClient
  .getTopics()
  .then(result => console.log(result.body, result.status))
  .catch(err => console.log(err))

await busApiClient.postEvent(reqBody)

Refer index.js for the list of available wrapper functions

Documentation for Bus API wrapper methods

All URIs are relative to BUSAPI_URL configuration variable.

Method	HTTP request	Description
postEvent	POST /bus/events	Post event to the message bus.
postError	POST /bus/events	Post error event to the message bus. This method is same as postEvent except that topic will be set by the wrapper itself.
getHealth	GET /bus/health	Check API is healthy.
headHealth	HEAD /bus/health	Get only response status and headers information but no response body for the endpoint.
clearPlaceholdersCache	DELETE /bus/placeholders	Clear placeholders cache.
createService	POST /bus/services	Create a service.
createServicePayload	POST /bus/services/{serviceName}/payloads	Create the service payload.
deleteService	DELETE /bus/services/{serviceName}	Delete the service.
deleteServicePayload	DELETE /bus/services/{serviceName}/payloads/{payloadName}	Delete the service payload.
getService	GET /bus/services/{serviceName}	Get the service.
getServicePayload	GET /bus/services/{serviceName}/payloads/{payloadName}	Get the service payload.
getServicePayloads	GET /bus/services/{serviceName}/payloads	Search the service payloads.
getServices	GET /bus/services	Get all services.
headService	HEAD /bus/services/{serviceName}	Get only response status and headers information but no response body for the endpoint.
headServicePayload	HEAD /bus/services/{serviceName}/payloads/{payloadName}	Get only response status and headers information but no response body for the endpoint.
headServicePayloads	HEAD /bus/services/{serviceName}/payloads	Get only response status and headers information but no response body for the endpoint.
headServices	HEAD /bus/services	Get only response status and headers information but no response body for the endpoint.
patchService	PATCH /bus/services/{serviceName}	Partially update the service.
patchServicePayload	PATCH /bus/services/{serviceName}/payloads/{payloadName}	Partially update the payload.
updateService	PUT /bus/services/{serviceName}	Update the service.
updateServicePayload	PUT /bus/services/{serviceName}/payloads/{payloadName}	Update the service payload.
getTopics	GET /bus/topics	Get topics.
headTopics	HEAD /bus/topics	Get only response status and headers information but no response body for the endpoint.

Authorization

Bus API wrapper internally generates a JWT token using Auth0 credentials and pass it in the Authorization header.

Running tests

Following environment variables need to be set up before running the tests

- TEST_AUTH0_URL
- TEST_AUTH0_AUDIENCE
- TEST_AUTH0_CLIENT_ID
- TEST_AUTH0_CLIENT_SECRET
- TEST_BUS_API_URL
- TEST_KAFKA_ERROR_TOPIC

Refer to Step # 2 in this section to learn more about the configuration variables.

To run the tests alone, execute the command

npm run test

To run tests with coverage report, execute the command

npm run cov