ssh

type Cfg struct {
	Username    string        `json:"username"`
	Password    string        `json:"password"`
	Address     string        `json:"address"`
	Port        int           `json:"port"`
	PrivateKey  string        `json:"-"`
	KeyFile     string        `json:"-"`
	AgentSocket string        `json:"-"`
	Timeout     time.Duration `json:"timeout"`
	Bastion     string        `json:"-"`
	BastionPort int           `json:"-"`
	BastionUser string        `json:"-"`
}

type Connection interface {
	SftpCli() *sftp.Client
	Exec(cmd string) (stdout string, err error)
	Close()
}