feature(worker): implemented rsync provider

worker/cmd_provider.go

@@ -1,8 +1,6 @@
 package worker
 
 import (
-	"errors"
-	"os"
 	"time"
 
 	"github.com/anmitsu/go-shlex"
@@ -20,8 +18,6 @@ type cmdProvider struct {
 	baseProvider
 	cmdConfig
 	command []string
-	cmd     *cmdJob
-	logFile *os.File
 }
 
 func newCmdProvider(c cmdConfig) (*cmdProvider, error) {
@@ -59,32 +55,9 @@ func (p *cmdProvider) Start() error {
 		env[k] = v
 	}
 	p.cmd = newCmdJob(p.command, p.WorkingDir(), env)
-
-	logFile, err := os.OpenFile(p.LogFile(), os.O_WRONLY|os.O_CREATE, 0644)
-	if err != nil {
+	if err := p.setLogFile(); err != nil {
 		return err
 	}
-	p.logFile = logFile
-	p.cmd.SetLogFile(logFile)
 
 	return p.cmd.Start()
 }
-
-func (p *cmdProvider) Wait() error {
-	if p.logFile != nil {
-		defer p.logFile.Close()
-	}
-	return p.cmd.Wait()
-}
-
-func (p *cmdProvider) Terminate() error {
-	logger.Debug("terminating provider: %s", p.Name())
-	if p.cmd == nil {
-		return errors.New("provider command job not initialized")
-	}
-	if p.logFile != nil {
-		p.logFile.Close()
-	}
-	err := p.cmd.Terminate()
-	return err
-}