Class: SSHKit::Interactive::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/sshkit/interactive/command.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host, remote_command = nil) ⇒ Command

Instantiate new interactive SSHKit command wrapper.



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# File 'lib/sshkit/interactive/command.rb', line 10

def initialize(host, remote_command = nil)
  @host           = host
  @remote_command = remote_command
end

Instance Attribute Details

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/sshkit/interactive/command.rb', line 4

def host
  @host
end

#remote_command ⇒ Object (readonly)

Returns the value of attribute remote_command.



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# File 'lib/sshkit/interactive/command.rb', line 4

def remote_command
  @remote_command
end

Instance Method Details

#execute ⇒ Object

Run the command on the remote host via SSH binary.



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# File 'lib/sshkit/interactive/command.rb', line 16

def execute
  system(to_s)
end

#ssh_cmd_args ⇒ Object

SSH command arguments



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# File 'lib/sshkit/interactive/command.rb', line 21

def ssh_cmd_args
  args = []

  args << '-t'
  args << '-A' if forward_agent?
  args << "-p #{port}" if port
  args << "-l #{user}" if user
  args << %Q{-o "PreferredAuthentications #{auth_methods.join(',')}"} if auth_methods.count > 0
  args << %Q{-o "ProxyCommand #{proxy_command}"} if proxy
  args << %Q{-o "HostName #{host_name}"} if host_name

  keys.each do |key|
    args << "-i #{key}"
  end

  args
end

#to_s ⇒ Object

Complete command



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# File 'lib/sshkit/interactive/command.rb', line 40

def to_s
  [
    :ssh,
    *ssh_cmd_args,
    host.hostname,
    %Q{'$SHELL -l -c "#{remote_command.to_command}"'}
  ].reject(&:empty?).join(' ')
end