feature(manager): skeleton of status API

manager/config.go

@@ -24,6 +24,8 @@ type ServerConfig struct {
 type FileConfig struct {
 	StatusFile string `toml:"status_file"`
 	DBFile     string `toml:"db_file"`
+	// used to connect to worker
+	CACert string `toml:"ca_cert"`
 }
 
 func loadConfig(cfgFile string, c *cli.Context) (*Config, error) {

manager/server.go

@@ -0,0 +1,36 @@
+package manager
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+type worker struct {
+	// worker name
+	name string
+	// url to connect to worker
+	url string
+	// session token
+	token string
+}
+
+func makeHTTPServer(debug bool) *gin.Engine {
+	if !debug {
+		gin.SetMode(gin.ReleaseMode)
+	}
+	r := gin.Default()
+	r.GET("/ping", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"msg": "pong"})
+	})
+	// List jobs, status page
+	r.GET("/jobs", func(c *gin.Context) {})
+	// worker online
+	r.POST("/workers/:name", func(c *gin.Context) {})
+	// post job list
+	r.POST("/workers/:name/jobs", func(c *gin.Context) {})
+	// post job status
+	r.POST("/workers/:name/jobs/:job", func(c *gin.Context) {})
+
+	return r
+}

manager/server_test.go

@@ -0,0 +1,37 @@
+package manager
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"math/rand"
+	"net/http"
+	"testing"
+	"time"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestHTTPServer(t *testing.T) {
+	Convey("HTTP server should work", t, func() {
+		s := makeHTTPServer(false)
+		So(s, ShouldNotBeNil)
+		port := rand.Intn(10000) + 20000
+		go func() {
+			s.Run(fmt.Sprintf("127.0.0.1:%d", port))
+		}()
+		time.Sleep(50 * time.Microsecond)
+		resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:%d/ping", port))
+		So(err, ShouldBeNil)
+		So(resp.StatusCode, ShouldEqual, http.StatusOK)
+		So(resp.Header.Get("Content-Type"), ShouldEqual, "application/json; charset=utf-8")
+		defer resp.Body.Close()
+		body, err := ioutil.ReadAll(resp.Body)
+		So(err, ShouldBeNil)
+		var p map[string]string
+		err = json.Unmarshal(body, &p)
+		So(err, ShouldBeNil)
+		So(p["msg"], ShouldEqual, "pong")
+	})
+
+}