Class: Blender::Driver::Ssh

Inherits:
Base
  • Object
show all
Includes:
SSHExec
Defined in:
lib/blender/drivers/ssh.rb

Direct Known Subclasses

SshMulti

Instance Attribute Summary collapse

Attributes inherited from Base

#config, #events, #stderr, #stdout

Instance Method Summary collapse

Methods included from SSHExec

#fixup_sudo, #remote_exec

Constructor Details

#initialize(config = {}) ⇒ Ssh

Returns a new instance of Ssh.



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# File 'lib/blender/drivers/ssh.rb', line 29

def initialize(config = {})
  cfg = config.dup
  @user = cfg.delete(:user) || ENV['USER']
  super(cfg)
end

Instance Attribute Details

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/blender/drivers/ssh.rb', line 26

def user
  @user
end

Instance Method Details

#execute(tasks, hosts) ⇒ Object 



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# File 'lib/blender/drivers/ssh.rb', line 35

def execute(tasks, hosts)
  Log.debug("SSH execution tasks [#{Array(tasks).size}]")
  Log.debug("SSH on hosts [#{hosts.join(",")}]")
  Array(hosts).each do |host|
    session = create_session(host)
    Array(tasks).each do |task|
      cmd = run_command(task.command, session)
      if cmd.exitstatus != 0 and !task.metadata[:ignore_failure]
        raise ExecutionFailed, cmd.stderr
      end
    end
    session.loop
  end
end

#run_command(command, session) ⇒ Object 



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# File 'lib/blender/drivers/ssh.rb', line 50

def run_command(command, session)
  exit_status = remote_exec(command, session)
  ExecOutput.new(exit_status, stdout, stderr)
end