Merge pull request opskumu#46 from joylili/master

增加chart删除方法

router.go

@@ -56,6 +56,8 @@ func RegisterRouter(router *gin.Engine) {
 		charts.POST("/upload", uploadChart)
 		// list uploaded charts
 		charts.GET("/upload", listUploadedCharts)
+		// delete chart
+		charts.DELETE("/upload/:chart", deleteChart)
 	}
 
 	// helm release

upload.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -56,3 +57,29 @@ func listUploadedCharts(c *gin.Context) {
 
 	respOK(c, charts)
 }
+
+func deleteChart(c *gin.Context) {
+	chart := c.Param("chart")
+	if chart == "" {
+		err := errors.New("chart must be not empty")
+		respErr(c, err)
+		return
+	}
+
+	filePath := helmConfig.UploadPath + "/" + chart
+	// not exist,ok
+	_, err := os.Stat(filePath)
+	if err != nil || os.IsNotExist(err) {
+		respOK(c, nil)
+		return
+	}
+
+	//delete chart from disk
+	err = os.Remove(filePath)
+	if err != nil {
+		respErr(c, err)
+		return
+	}
+
+	respOK(c, nil)
+}