mirror of
https://github.com/fnproject/fn.git
synced 2022-10-28 21:29:17 +03:00
9eaf824398
* add jaeger support, link hot container & req span * adds jaeger support now with FN_JAEGER_URL, there's a simple tutorial in the operating/metrics.md file now and it's pretty easy to get up and running. * links a hot request span to a hot container span. when we change this to sample at a lower ratio we'll need to finagle the hot container span to always sample or something, otherwise we'll hide that info. at least, since we're sampling at 100% for now if this is flipped on, can see freeze/unfreeze etc. if they hit. this is useful for debugging. note that zipkin's exporter does not follow the link at all, hence jaeger... and they're backed by the Cloud Empire now (CNCF) so we'll probably use it anyway. * vendor: add thrift for jaeger
75 lines
2.3 KiB
OCaml
Executable File
75 lines
2.3 KiB
OCaml
Executable File
(*
|
|
Licensed to the Apache Software Foundation (ASF) under one
|
|
or more contributor license agreements. See the NOTICE file
|
|
distributed with this work for additional information
|
|
regarding copyright ownership. The ASF licenses this file
|
|
to you under the Apache License, Version 2.0 (the
|
|
"License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing,
|
|
software distributed under the License is distributed on an
|
|
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
KIND, either express or implied. See the License for the
|
|
specific language governing permissions and limitations
|
|
under the License.
|
|
*)
|
|
|
|
open Arg
|
|
open Thrift
|
|
open Tutorial_types
|
|
open Shared_types
|
|
|
|
exception Die;;
|
|
let sod = function
|
|
Some v -> v
|
|
| None -> raise Die;;
|
|
|
|
type connection = {
|
|
trans : Transport.t ;
|
|
proto : Thrift.Protocol.t;
|
|
calc : Calculator.client ;
|
|
}
|
|
|
|
let connect ~host port =
|
|
let tx = new TSocket.t host port in
|
|
let proto = new TBinaryProtocol.t tx in
|
|
let calc = new Calculator.client proto proto in
|
|
tx#opn;
|
|
{ trans = tx ; proto = proto; calc = calc }
|
|
;;
|
|
|
|
let doclient () =
|
|
let cli = connect ~host:"127.0.0.1" 9090 in
|
|
try
|
|
cli.calc#ping ;
|
|
Printf.printf "ping()\n" ; flush stdout ;
|
|
(let sum = cli.calc#add (Int32.of_int 1) (Int32.of_int 1) in
|
|
Printf.printf "1+1=%ld\n" sum ;
|
|
flush stdout) ;
|
|
(let w = new work in
|
|
w#set_op Operation.DIVIDE ;
|
|
w#set_num1 (Int32.of_int 1) ;
|
|
w#set_num2 (Int32.of_int 0) ;
|
|
try
|
|
let quotient = cli.calc#calculate (Int32.of_int 1) w in
|
|
Printf.printf "Whoa? We can divide by zero!\n" ; flush stdout
|
|
with InvalidOperation io ->
|
|
Printf.printf "InvalidOperation: %s\n" io#grab_why ; flush stdout) ;
|
|
(let w = new work in
|
|
w#set_op Operation.SUBTRACT ;
|
|
w#set_num1 (Int32.of_int 15) ;
|
|
w#set_num2 (Int32.of_int 10) ;
|
|
let diff = cli.calc#calculate (Int32.of_int 1) w in
|
|
Printf.printf "15-10=%ld\n" diff ; flush stdout) ;
|
|
(let ss = cli.calc#getStruct (Int32.of_int 1) in
|
|
Printf.printf "Check log: %s\n" ss#grab_value ; flush stdout) ;
|
|
cli.trans#close
|
|
with Transport.E (_,what) ->
|
|
Printf.printf "ERROR: %s\n" what ; flush stdout
|
|
;;
|
|
|
|
doclient();;
|