fix: 修复几处日志文件未释放问题 (#5110)

backend/app/service/runtime_utils.go

@@ -150,6 +150,7 @@ func runComposeCmdWithLog(operate string, composePath string, logPath string) er
 		global.LOG.Errorf("Failed to open log file: %v", err)
 		return err
 	}
+	defer logFile.Close()
 	multiWriterStdout := io.MultiWriter(os.Stdout, logFile)
 	cmd.Stdout = multiWriterStdout
 	var stderrBuf bytes.Buffer

backend/utils/mysql/client/local.go

@@ -224,7 +224,10 @@ func (r *Local) Backup(info BackupInfo) error {
 			return fmt.Errorf("mkdir %s failed, err: %v", info.TargetDir, err)
 		}
 	}
-	outfile, _ := os.OpenFile(path.Join(info.TargetDir, info.FileName), os.O_RDWR|os.O_CREATE, 0755)
+	outfile, err := os.OpenFile(path.Join(info.TargetDir, info.FileName), os.O_RDWR|os.O_CREATE, 0755)
+	if err == nil {
+		defer outfile.Close()
+	}
 	dumpCmd := "mysqldump"
 	if r.Type == constant.AppMariaDB {
 		dumpCmd = "mariadb-dump"

backend/utils/mysql/client/remote.go

@@ -235,7 +235,10 @@ func (r *Remote) Backup(info BackupInfo) error {
 			return fmt.Errorf("mkdir %s failed, err: %v", info.TargetDir, err)
 		}
 	}
-	outfile, _ := os.OpenFile(path.Join(info.TargetDir, info.FileName), os.O_RDWR|os.O_CREATE, 0755)
+	outfile, err := os.OpenFile(path.Join(info.TargetDir, info.FileName), os.O_RDWR|os.O_CREATE, 0755)
+	if err == nil {
+		defer outfile.Close()
+	}
 	dumpCmd := "mysqldump"
 	if r.Type == constant.AppMariaDB {
 		dumpCmd = "mariadb-dump"

backend/utils/postgresql/client/local.go

@@ -129,7 +129,10 @@ func (r *Local) Backup(info BackupInfo) error {
 			return fmt.Errorf("mkdir %s failed, err: %v", info.TargetDir, err)
 		}
 	}
-	outfile, _ := os.OpenFile(path.Join(info.TargetDir, info.FileName), os.O_RDWR|os.O_CREATE, 0755)
+	outfile, err := os.OpenFile(path.Join(info.TargetDir, info.FileName), os.O_RDWR|os.O_CREATE, 0755)
+	if err == nil {
+		defer outfile.Close()
+	}
 	global.LOG.Infof("start to pg_dump | gzip > %s.gzip", info.TargetDir+"/"+info.FileName)
 	cmd := exec.Command("docker", "exec", r.ContainerName, "pg_dump", "-F", "c", "-U", r.Username, "-d", info.Name)
 	gzipCmd := exec.Command("gzip", "-cf")