Esempio n. 1
0
func Rollback(rollback int, deploy_config setup.DeployConfiguration, commands setup.CommandConfig) {
	/* remove the current directory, and switch back to version current - number
	 */
	connection, err := NewConnection(deploy_config.TargetHost, deploy_config.TargetPort, deploy_config.Username, deploy_config.Password, deploy_config.PublicKeyPath)
	if err != nil {
		log.Panic(err)
	}
	sftp, err := sftp.NewClient(connection)
	if err != nil {
		log.Fatal(err)
	}
	defer sftp.Close()

	var build_list []string

	w, err := sftp.ReadDir(deploy_config.TargetDirectory)
	for _, folder := range w {
		if folder.Name() == "current" || !folder.IsDir() {
			continue
		}
		build_list = append(build_list, folder.Name())
	}
	sort.Sort(ByDate(build_list))

	rollback_version := build_list[len(build_list)-rollback] //list is ordered old to new, so we want to index in relation to the end of the list.

	//Create a symbolic link to the new directory.
	cmd := fmt.Sprintf("unlink %s", deploy_config.TargetDirectory+"/current")
	ExecuteCmd(connection, cmd, nil, nil)

	cmd = fmt.Sprintf("ln -s -f %s %s", deploy_config.TargetDirectory+"/"+rollback_version, deploy_config.TargetDirectory+"/current")
	ExecuteCmd(connection, cmd, nil, nil)
}
Esempio n. 2
0
/*
	Create a new version, remove oldest if there are more than *Rollback
	return the new version number so that the deploy knows where to place shit.
*/
func create_version(deploy_config setup.DeployConfiguration) string {
	connection, err := NewConnection(deploy_config.TargetHost, deploy_config.TargetPort, deploy_config.Username, deploy_config.Password, deploy_config.PublicKeyPath)
	if err != nil {
		log.Panic(err)
	}
	sftp, err := sftp.NewClient(connection)
	if err != nil {
		log.Fatal(err)
	}
	defer sftp.Close()

	new_version := time.Now().Format("20060102150405")

	var build_list []string

	w, err := sftp.ReadDir(deploy_config.TargetDirectory)
	for _, folder := range w {
		if folder.Name() == "current" || !folder.IsDir() {
			continue
		}
		build_list = append(build_list, folder.Name())
	}
	sort.Sort(ByDate(build_list))

	//Remove oldest in build_list
	if len(build_list)+1 > deploy_config.Rollbacks+1 {
		remove_list := build_list[:len(build_list)-deploy_config.Rollbacks] //remove any old that exceeds Rollbaks, which are in the start of the list
		for _, version := range remove_list {
			log.Printf("Removing version: %s\n", deploy_config.TargetDirectory+"/"+version)
			//err :=sftp.Remove(deploy_config.TargetDirectory + "/" + version)
			cmd := fmt.Sprintf("rm -r %s", deploy_config.TargetDirectory+"/"+version)
			err := ExecuteCmd(connection, cmd, nil, nil)
			if err != nil {
				log.Println(err)
			}
		}
	}

	log.Printf("Creating folder: %s\n", deploy_config.TargetDirectory+"/"+new_version)
	sftp.Mkdir(deploy_config.TargetDirectory + "/" + new_version)

	//Create a symbolic link to the new directory.
	cmd := fmt.Sprintf("unlink %s", deploy_config.TargetDirectory+"/current")
	//log.Printf("Removing old symlink: %s", cmd)
	ExecuteCmd(connection, cmd, nil, nil)

	cmd = fmt.Sprintf("ln -s -f %s %s", deploy_config.TargetDirectory+"/"+new_version, deploy_config.TargetDirectory+"/current")
	//log.Printf("Creating symlink: %s", cmd)
	ExecuteCmd(connection, cmd, nil, nil)

	return new_version
}