ssh

package
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Published: Jan 26, 2021 License: Apache-2.0 Imports: 8 Imported by: 0

Documentation

Overview

Package sshclient implements an SSH client.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Client

type Client struct {
	// contains filtered or unexported fields
}

A Client implements an SSH client that supports running commands and scripts remotely.

func Dial

func Dial(network, addr string, config *ssh.ClientConfig) (*Client, error)

Dial starts a client connection to the given SSH server. This wraps ssh.Dial.

func DialWithKey

func DialWithKey(addr, user, keyfile string) (*Client, error)

DialWithKey starts a client connection to the given SSH server with key authmethod.

func DialWithKeyWithPassphrase

func DialWithKeyWithPassphrase(addr, user, keyfile string, passphrase string) (*Client, error)

DialWithKeyWithPassphrase same as DialWithKey but with a passphrase to decrypt the private key

func DialWithPasswd

func DialWithPasswd(addr, user, passwd string) (*Client, error)

DialWithPasswd starts a client connection to the given SSH server with passwd authmethod.

func (*Client) Close

func (c *Client) Close() error

Close closes the underlying client network connection.

func (*Client) Cmd

func (c *Client) Cmd(cmd string) *RemoteScript

Cmd creates a RemoteScript that can run the command on the client. The cmd string is split on newlines and each line is executed separately.

func (*Client) Script

func (c *Client) Script(script string) *RemoteScript

Script creates a RemoteScript that can run the script on the client.

func (*Client) ScriptFile

func (c *Client) ScriptFile(fname string) *RemoteScript

ScriptFile creates a RemoteScript that can read a local script file and run it remotely on the client.

func (*Client) Shell

func (c *Client) Shell() *RemoteShell

Shell create a noninteractive shell on client.

func (*Client) Terminal

func (c *Client) Terminal(config *TerminalConfig) *RemoteShell

Terminal create a interactive shell on client.

type RemoteScript

type RemoteScript struct {
	// contains filtered or unexported fields
}

A RemoteScript represents script that can be run remotely.

func (*RemoteScript) Cmd

func (rs *RemoteScript) Cmd(cmd string) *RemoteScript

Cmd appends a command to the RemoteScript.

func (*RemoteScript) Output

func (rs *RemoteScript) Output() ([]byte, error)

Output runs the script on the client and returns its standard output.

func (*RemoteScript) Run

func (rs *RemoteScript) Run() error

Run runs the script on the client.

The returned error is nil if the command runs, has no problems copying stdin, stdout, and stderr, and exits with a zero exit status.

func (*RemoteScript) SetStdio

func (rs *RemoteScript) SetStdio(stdout, stderr io.Writer) *RemoteScript

SetStdio specifies where its standard output and error data will be written.

func (*RemoteScript) SmartOutput

func (rs *RemoteScript) SmartOutput() ([]byte, error)

SmartOutput runs the script on the client. On success, its standard ouput is returned. On error, its standard error is returned.

type RemoteShell

type RemoteShell struct {
	// contains filtered or unexported fields
}

A RemoteShell represents a login shell on the client.

func (*RemoteShell) SetStdio

func (rs *RemoteShell) SetStdio(stdin io.Reader, stdout, stderr io.Writer) *RemoteShell

SetStdio specifies where the its standard output and error data will be written.

func (*RemoteShell) Start

func (rs *RemoteShell) Start() error

Start starts a remote shell on client.

type TerminalConfig

type TerminalConfig struct {
	Term   string
	Height int
	Weight int
	Modes  ssh.TerminalModes
}

A TerminalConfig represents the configuration for an interactive shell session.

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