Trivial question w.r.t. 'apigateway'

[singh....@gmail.com]

Hello All, 

I am an absolute noob at micro-service, so please be kind.

After working through other examples I wanted to understand how to get 'consul' to work my micro-service. I tried to closely follow 'apigateway' example. Except that when doing Curl via command line, it kept giving me "no endpoints available" error. So I stepped out of my code tried compiling apigateway example. Here is my output and the step I have taken

-- Terminal #1 : Run consul as follows 

  consul agent -dev

==> Starting Consul agent...

==> Consul agent running!

           Version: 'v0.8.4'

           Node ID: 'cb1f6030-a220-4f92-57dc-7baaabdc3823'

         Node name: 'thisbeit'

        Datacenter: 'dc1'

            Server: true (bootstrap: false)

       Client Addr: 127.0.0.1 (HTTP: 8500, HTTPS: -1, DNS: 8600)

      Cluster Addr: 127.0.0.1 (LAN: 8301, WAN: 8302)

    Gossip encrypt: false, RPC-TLS: false, TLS-Incoming: false

==> Log data will now stream in as it occurs:

    2017/06/30 22:47:06 [DEBUG] Using unique ID "cb1f6030-a220-4f92-57dc-7baaabdc3823" from host as node ID

...

..

...

2017/06/30 22:51:54 [DEBUG] http: Request GET /v1/health/service/stringsvc?passing=1 (63.272µs) from=127.0.0.1:57466

-- Terminal #2 : 

  go build apigateway.go

  ./main -consul.addr :8500

ts=2017-07-01T02:47:47.467376008Z caller=instancer.go:43 service=addsvc tags=[] instances=0

ts=2017-07-01T02:47:47.468086306Z caller=instancer.go:43 service=stringsvc tags=[] instances=0

ts=2017-07-01T02:47:47.468230827Z caller=main.go:159 transport=HTTP addr=:8000

-- Terminal #3 : 

  curl -XPOST -d'{"s":"cubes"}' http://localhost:8000/stringsvc/count 

OR

  curl -XPOST -d'{"s":"cubes"}' http://localhost:8000/stringsvc/uppercase

Both lines on terminal #3 report the following error : 

no endpoints available (previously: no endpoints available; no endpoints available)

Please help me. What am I missing?

Thank you,

Mayank

[Peter Bourgon]

Are you actually running any stringsvc instances?

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[singh....@gmail.com]

Hi Peter, 

Thank you for the quick reply.

This is rather embarrassing ..

1. For my own example code, yes, I was running server/client/consul .. and then curl 

[ https://github.com/singh-mayank/golearn/tree/master/ms_read3d ]

My client code keeps returning 'no endpoint found'. 

2. For 'apigateway' .. the answer (embarrassingly) is no. 

I just executed the code shown in my post. 

So help me here, how do I run server such that it can handle my curl request.

I ought to adapt the stringsvc example and write one of my own?

I think my knowledge is falling short here on how to use 'consul', with load-balancing.

I understand you are busy, if you have any pointers for me to read/code, please let me know.

Thank you,

Mayank

[singh....@gmail.com]

Peter .... I got it working. Thank you.

Your terse comment send me hunting in the right direction.

I will post update on my git repo soon.

Thank you again .. for Go-Kit! :)

[Peter Bourgon]

Hooray! :)

> https://groups.google.com/d/msgid/go-kit/61246790-e9cf-4605-bd06-9b4b5e7b40d9%40googlegroups.com.

[kafr...@gmail.com]

I also encountered the same problem. How can I solve it?

在 2017年7月2日星期日 UTC+8上午8:38:20，singh....@gmail.com写道：