eranharel

$ curl -i http://localhost:8080/admin/health.json?type=short
HTTP/1.1 200 OK
Content-Type: application/json
Date: Wed, 17 Jul 2019 12:54:18 GMT
Content-Length: 35

{
	"resolve.example.com": "PASS"
}

eranharel

$ curl -i http://localhost:8080/admin/health.json
HTTP/1.1 200 OK
Content-Type: application/json
Date: Wed, 17 Jul 2019 12:54:20 GMT
Content-Length: 208

{
	"resolve.example.com": {
		"message": "[2] results were resolved",
		"timestamp": "2019-07-17T15:54:18.225468956+03:00",

eranharel

http.Handle("/admin/health.json", healthhttp.HandleHealthJSON(h))

eranharel

import (
  "time"

  health "github.com/AppsFlyer/go-sundheit"
  "github.com/AppsFlyer/go-sundheit/checks"

)

func registerHealthChecks() {
  // create a new health instance

eranharel

http.HandleFunc("/health", func(w http.ResponseWriter, request *http.Request) {
  w.WriteHeader(200)
})
log.Fatal(http.ListenAndServe(":8080", nil))

eranharel

import (
  "context"
  "fmt"
  "net"
  "time"

  "github.com/AppsFlyer/go-sundheit/checks"
  "github.com/pkg/errors"
)

eranharel

import (
  "context"
  "fmt"
  "net"
  "time"

  "github.com/AppsFlyer/go-sundheit/checks"
  "github.com/pkg/errors"
)

eranharel

(defn listenablefuture-handler
  [lf on-success-func on-fail-func]
  (Futures/addCallback
    lf
    (reify FutureCallback
      (onSuccess [_ res]
        (on-success-func res))
      (onFailure [_ e]
        (on-fail-func e))))
  lf)

eranharel

package com.outbrain.ob1k.server.netty;

import static io.netty.handler.codec.http.HttpHeaders.Names.CONNECTION;
import static io.netty.handler.codec.http.HttpHeaders.Names.CONTENT_TYPE;
import static io.netty.handler.codec.http.HttpHeaders.Names.DATE;
import static io.netty.handler.codec.http.HttpHeaders.Names.IF_MODIFIED_SINCE;
import static io.netty.handler.codec.http.HttpHeaders.isKeepAlive;
import static io.netty.handler.codec.http.HttpResponseStatus.BAD_REQUEST;
import static io.netty.handler.codec.http.HttpResponseStatus.NOT_MODIFIED;
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;

eranharel

package com.outbrain.gruffalo.publish;

import java.util.concurrent.TimeUnit;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;