add FindAbsPath func

pkg/pai/pai.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"chain33-pai/pkg/util"
 	"github.com/33cn/chain33/common/log"
+	"bytes"
 )
 
 var tlog = log.New("pkg","pai")
@@ -50,3 +51,18 @@ func MonitorServer() ([]*Disk,error) {
 	}
 	return tempDisk,nil
 }
+
+
+func FindAbsPath(name string) string {
+	var buffer bytes.Buffer
+	cmd:=exec.Command("find","/media","-name",name)
+	cmd.Stdout=&buffer
+	cmd.Start()
+	cmd.Wait()
+	if buffer.String() == "" {
+		tlog.Error("FindAbsPath","ERR","node path not exists")
+		return ""
+	}
+	pathlist := strings.Split(buffer.String(),"\n")
+	return pathlist[0]
+}
\ No newline at end of file

service/pai_service/pai.go

@@ -14,7 +14,6 @@ import (
 	"encoding/json"
 	"chain33-pai/pkg/setting"
 	"chain33-pai/pkg/pai"
-	"chain33-pai/pkg/app"
 	"os"
 	"errors"
 )
@@ -218,7 +217,7 @@ func (p *Pai) GetDiskUseage() error {
 }
 
 func (p *Pai) CheckBackup() error {
-	path := app.GetAbsPath("v7-bityuan")
+	path := pai.FindAbsPath("wallet-bty")
 	if path == "" {
 		tlog.Error("IsBackup","path","node not exists")
 		//p.IsBackup = false