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server.go
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server.go
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package server
import (
"context"
"net/http"
"os"
"os/signal"
"strconv"
"strings"
"time"
"github.com/gin-contrib/cors"
"github.com/gin-contrib/zap"
"github.com/gin-gonic/gin"
"golang.org/x/sync/errgroup"
log "github.com/Microsoft/presidio/pkg/logger"
)
var (
port int
g errgroup.Group
server *http.Server
)
//Setup ...
func Setup(_port int, loglevel string) *gin.Engine {
if _port == 0 {
_port = 8080
}
if strings.ToLower(loglevel) != "debug" {
gin.SetMode(gin.ReleaseMode)
}
r := gin.New()
r.Use(gin.Recovery())
// Add a ginzap middleware, which:
// - Logs all requests, like a combined access and error log.
// - Logs to stdout.
// - RFC3339 with UTC time format.
r.Use(ginzap.Ginzap(log.GetLogger(), time.RFC3339, true))
r.Use(cors.Default())
r.GET("/healthz", healthCheck)
port = _port
return r
}
//Start ...
func Start(r *gin.Engine) {
server = &http.Server{
Addr: ":" + strconv.Itoa(port),
Handler: r,
}
g.Go(func() error {
return server.ListenAndServe()
})
if err := g.Wait(); err != nil {
log.Fatal(err.Error())
}
}
//Stop ...
func Stop() {
quit := make(chan os.Signal)
signal.Notify(quit, os.Interrupt)
log.Info("Shutdown Server ...")
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
if err := server.Shutdown(ctx); err != nil {
log.Fatal(err.Error())
}
log.Info("Server exiting")
}
func healthCheck(c *gin.Context) {
WriteResponse(c, http.StatusOK, gin.H{
"iam": "alive",
})
}
//WriteResponse ...
func WriteResponse(
c *gin.Context,
statusCode int,
responseBody interface{},
) {
c.JSON(statusCode, responseBody)
}
//AbortWithError aborts the request and returns the error in the response body
func AbortWithError(c *gin.Context,
statusCode int,
err error) {
c.Error(err)
c.JSON(statusCode, err.Error())
c.Abort()
}