lex-ssh

SSH remote command execution for LegionIO. Run commands on remote servers and trigger reboot or shutdown via Net::SSH from within task chains.

Installation

gem install lex-ssh

Or add to your Gemfile:

gem 'lex-ssh'

Runners

Command

Method	Parameters	Description
run	command:, server:, user: (default: 'root')	Execute a single command via SSH
run_multiple	commands:, server:, user: (default: 'root')	Execute multiple commands sequentially

Returns { success:, results:, server: } per command.

State

Method	Parameters	Description
reboot	server:, user: (default: 'root'), delay: (default: 0)	Reboot the server via shutdown -r
shutdown	server:, user: (default: 'root'), delay: (default: 0)	Halt the server via shutdown -h

delay is the number of minutes to wait (0 = immediate).

Authentication

Pass authentication kwargs alongside other parameters:

Parameter	Description
password	Password authentication
key_data	Inline key data
keys	Array of key file paths
passphrase	Key passphrase
timeout	Connection timeout in seconds (default: 5)

Standalone Client

Use Legion::Extensions::Ssh::Client outside the full LegionIO framework.

require 'legion/extensions/ssh'
client = Legion::Extensions::Ssh::Client.new(server: 'server.example.com', user: 'deploy', keys: ['~/.ssh/id_ed25519'])
result = client.run(command: 'uptime')

Constructor: Client.new(server:, user: 'root', **extra). Additional kwargs (keys:, password:, timeout:, etc.) are stored and passed through to Net::SSH on each call.

Requirements

• Ruby >= 3.4
• SSH server access
• net-ssh >= 7.0
• ed25519 — Ed25519 key support
• bcrypt_pbkdf — OpenSSH private key format support

License

MIT