Merge pull request #7 from devopsfaith/ce

customized ce example added

ce/main.go

@@ -0,0 +1,69 @@
+// ce is an example of how to customize a complete KrakenD API Gateway.
+//
+// this example adds a dummy gin middleware.
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	krakend "github.com/devopsfaith/krakend-ce"
+	cmd "github.com/devopsfaith/krakend-cobra"
+	flexibleconfig "github.com/devopsfaith/krakend-flexibleconfig"
+	viper "github.com/devopsfaith/krakend-viper"
+	"github.com/devopsfaith/krakend/config"
+	"github.com/gin-gonic/gin"
+)
+
+const (
+	fcPartials  = "FC_PARTIALS"
+	fcTemplates = "FC_TEMPLATES"
+	fcSettings  = "FC_SETTINGS"
+	fcPath      = "FC_OUT"
+	fcEnable    = "FC_ENABLE"
+)
+
+func main() {
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	go func() {
+		select {
+		case sig := <-sigs:
+			log.Println("Signal intercepted:", sig)
+			cancel()
+		case <-ctx.Done():
+		}
+	}()
+
+	krakend.RegisterEncoders()
+
+	var cfg config.Parser
+	cfg = viper.New()
+	if os.Getenv(fcEnable) != "" {
+		cfg = flexibleconfig.NewTemplateParser(flexibleconfig.Config{
+			Parser:    cfg,
+			Partials:  os.Getenv(fcPartials),
+			Settings:  os.Getenv(fcSettings),
+			Path:      os.Getenv(fcPath),
+			Templates: os.Getenv(fcTemplates),
+		})
+	}
+
+	eb := krakend.ExecutorBuilder{
+		Middlewares: []gin.HandlerFunc{func(c *gin.Context) {
+			fmt.Println("dummy mw executed for req", c.Request.URL.String())
+			// TODO: do semthing useful here
+			c.Next()
+		}},
+	}
+
+	cmd.Execute(cfg, eb.NewCmdExecutor(ctx))
+}

go.mod

@@ -4,10 +4,18 @@ go 1.15
 
 require (
 	github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b // indirect
-	github.com/devopsfaith/krakend v1.2.0
+	github.com/devopsfaith/krakend v1.2.1-0.20210125222339-1e35b1a8bb02
+	github.com/devopsfaith/krakend-ce v1.2.1-0.20210119172711-9a10ec2ef213
+	github.com/devopsfaith/krakend-cobra v0.0.0-20200317174411-3518505e8cd2
+	github.com/devopsfaith/krakend-flexibleconfig v0.0.0-20190408143848-fc4ef2b4d5cf
+	github.com/devopsfaith/krakend-jose v1.1.1-0.20210119142416-ee6196d50d07 // indirect
+	github.com/devopsfaith/krakend-opencensus v1.1.1-0.20201119132304-815fbc5addba // indirect
+	github.com/devopsfaith/krakend-viper v0.0.0-20200605164302-854fa4ff4a66
 	github.com/garyburd/redigo v1.6.2 // indirect
 	github.com/gin-gonic/contrib v0.0.0-20201101042839-6a891bf89f19
 	github.com/gin-gonic/gin v1.6.3
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79
 	github.com/robfig/go-cache v0.0.0-20130306151617-9fc39e0dbf62 // indirect
+	github.com/spf13/cobra v1.1.1
+	github.com/spf13/viper v1.7.1
 )