shunt

by thephpleague

thephpleague /shunt

[ABANDONED] PHP library for executing commands on multiple remote machines, via SSH

440 Stars 34 Forks Last release: almost 7 years ago (v2.0.0) MIT License 105 Commits 5 Releases

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Shunt

Teaser

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Inspired by Ruby's Capistrano, Shunt is PHP library for executing commands on multiple remote machines, via SSH. Specifically, this library was written to simplify and automate deployment of PHP applications to distributed environments.

Install

Via Composer

{
    "require": {
        "league/shunt": "~2.0"
    }
}

Requirement

  • PHP >= 5.3.3
  • libssh2
  • ssh2.so

Additional Features

  • Secure copy (SCP) support
  • Secure FTP (SFTP) support

Assumptions

Shunt has very firm ideas about how things ought to be done, and tries to force those ideas on you. Some of the assumptions behind these opinions are:

  • You are using SSH to access the remote servers.
  • You either have the same password to all target machines, or you have public keys in place to allow passwordless access to them.

Do not expect these assumptions to change.

Usage

In general, you'll use Shunt as follows:

  • Create a recipe file (
    Shuntfile
    ).
  • Use the
    shunt
    script to execute your recipe.

From the root folder of your composer-based project, use the Shunt script as follows:

vendor/bin/shunt some_task some_host,other_host

By default, the script will look for a file called

Shuntfile
, which contain hosts information, credential and your tasks. Here the structure of
Shuntfile
:
'hosts' => array(
    'staging' => 'staging.domain.com',
    'repro' => 'backup.domain.com',
    'production' => 'production.domain.com',
),

'auth' => array(
    'username' => 'shunt',
    'password' => 'hearmyroar',
    'pubkeyfile' => NULL,
    'privkeyfile' => NULL,
    'passphrase' => NULL,
),

'tasks' => array(
    'read_home_dir' => function($s) {
        $s->run('ls');
    },
    'print_php_info' => function($s) {
        $s->run('php -i');
    },
    'upload_foo_source' => function($s) {
        $s->sftp()->mkdir('source');
        $s->scp()->put('foo', 'source/foo');
    }
),

);

The

tasks
collection indicates which tasks that available to execute. You can execute
list
command to see all the available tasks and available hosts. Based by above recipes, you could run :
vendor/bin/shunt read_home_dir .

Above command will execute

ls
on all remote machines defined in
hosts
parameter. You could tell Shunt to run the task on specific host(s) by appending the host nickname right after the task :
vendor/bin/shunt read_home_dir staging
vendor/bin/shunt print_php_info staging,production

As you may already notice, you could easily access SCP and SFTP instance by calling

scp()
or
sftp()
method within your task. Bellow table shows available APIs for both SCP and SFTP instances :

| Type | Method Signature | Description | :---: | :---: | :---: | | SCP |

put($localFile = '', $remoteFile = '')
| Send a file from local to remote path | | SCP |
get($remoteFile = '', $localFile = '')
| Get a file from remote to local path | | SFTP |
chmod($filename = '', $mode = 0644)
| Attempts to change the mode of the specified file to that given in mode. | | SFTP |
lstat($path = '')
| Stats a symbolic link on the remote filesystem without following the link. | | SFTP |
stat($path = '')
| Stats a file on the remote filesystem following any symbolic links. | | SFTP |
mkdir($dirname = '', $mode = 0777, $recursive = false)
| Creates a directory on the remote file server with permissions set to mode. | | SFTP |
rmdir($dirname = '')
| Removes a directory from the remote file server. | | SFTP |
symlink($target = '',$link = '')
| Creates a symbolic link named link on the remote filesystem pointing to target. | | SFTP |
readlink($link = '')
| Returns the target of a symbolic link. | | SFTP |
realpath($filename = '')
| Translates filename into the effective real path on the remote filesystem. | | SFTP |
rename($from = '', $to = '')
| Renames a file on the remote filesystem. | | SFTP |
unlink($filename = '')
| Deletes a file on the remote filesystem. |

Changelog

See the changelog file

Contributing

Please see CONTRIBUTING for details.

Support

Bugs and feature request are tracked on GitHub

License

Shunt is released under the MIT License. See the bundled LICENSE file for details.

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