Provide a v2 API to publish events that conforms to cloud events specification

[montaro]

See also #4389

[sayanh]

Unit tests for v2 publish API should be added

[sayanh]

Request:

# curl -i \
> -H "Content-Type: application/json" \
> -X POST http://event-bus-publish.kyma-system:8080/v2/events \
> -d '{"source": "sample-app", "specversion": "0.3", "event-type":
"order.received", "event-type-version": "v4", "event-time": "2018-1
1-02T22:08:41+00:00", "data": { "comeon": "hello" }}' 

HTTP/1.1 400 Bad Request
Content-Type: application/json
Date: Wed, 03 Jul 2019 12:45:26 GMT
Content-Length: 263

Response:

{"status":400,"type":"validation_violation","message":"We need all required fields complete to keep you moving.","moreInfo":"","details":[{"field":"type","type":"missing_field","message":"We need all required fields complete to keep you moving.","moreInfo":""}]}

The response doesn't say what is missing.

[marcobebway]

Do we need this file? I find it similar to components/event-bus/api/publish/error.go.

[montaro]

I'm trying to consolidate the APIs files, so we can easily remove the v1 in the future

[marcobebway]

For the kyma/components/event-service, I get vendor is out of sync when running dep check.

[sayanh]

Publishing from an application gives 404:

curl -i \
-H "Content-Type: application/json" --cert generated.pem -kL \
-X POST http://gateway.35.242.214.68.xip.io/v2/events \
-d '{"source": "sample-app", "specversion": "0.3", "type": "order.received", "eventtypeversion": "v4", "time": "2018-11-02T22:08:41+00:00", "data": { "comeon": "hello" }}'
HTTP/1.1 301 Moved Permanently
location: https://gateway.35.242.214.68.xip.io/v2/events
date: Wed, 03 Jul 2019 14:54:10 GMT
server: istio-envoy
content-length: 0

HTTP/2 404
date: Wed, 03 Jul 2019 14:54:11 GMT
server: istio-envoy

[montaro]

@sayanh This is working now after changing the application-connector

❯ echo '{"specversion": "0.3", "type" : "order.created", "eventtypeversion" : "v1", "time" : "2018-05-02T22:08:41+00:00", "data" : {"orderCode" : "1234"}}'|http POST https://gateway.kyma.local/sample-external-solution/v2/events --cert=generated.pem --verify=no
HTTP/1.1 200 OK
content-length: 80
content-type: application/json
date: Thu, 04 Jul 2019 09:55:15 GMT
server: istio-envoy
x-envoy-upstream-service-time: 1281

{
    "reason": "Message successfully published to the channel",
    "status": "published"
}

[montaro]

/test pre-master-kyma-components-application-connectivity-validator

[Szymongib]

Please fix the failing build.

[sayanh]

Following need to be done:

• event-service tests are not working(more tests need to be there just like blackb_test.go)
• clear segregation of v1 and v2 components should be done. At this moment directory structures are not consistent

[Szymongib]

You might want to add some acceptance tests for the Event Service V2 as I do not think the existing tests cover this.