Class: OsCtld::ContainerControl::Commands::Exec::Frontend

Inherits:
Frontend
  • Object
show all
Includes:
Utils::Runscript::Frontend
Defined in:
lib/osctld/container_control/commands/exec.rb

Instance Attribute Summary

Attributes inherited from Frontend

#command_class, #ct

Instance Method Summary collapse

Methods included from Utils::Runscript::Frontend

#add_network_opts, #cleanup_init_script, #init_script, #unlink_file

Methods inherited from Frontend

#initialize, #pipe_runner

Constructor Details

This class inherits a constructor from OsCtld::ContainerControl::Frontend

Instance Method Details

#execute(opts) ⇒ Integer

Returns exit status.

Parameters:

  • opts (Hash)

Options Hash (opts):

  • :cmd (Array<String>)

    command to execute

  • :stdin (IO)
  • :stdout (IO)
  • :stderr (IO)
  • :run (Boolean)

    run the container if it is stopped?

  • :network (Boolean)

    setup network if the container is run?

Returns:

  • (Integer)

    exit status



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# File 'lib/osctld/container_control/commands/exec.rb', line 26

def execute(opts)
  mode =
    if ct.running?
      :running
    elsif !ct.running? && opts[:run] && opts[:network]
      :run_network
    elsif !ct.running? && opts[:run]
      :run
    else
      raise ContainerControl::Error, 'container not running'
    end

  if opts[:network]
    opts = opts.clone
    add_network_opts(opts)
  end

  ret = pipe_runner(
    args: [mode, opts],
    keep_fds: [
      opts[:stdin],
      opts[:stdout],
      opts[:stderr],
    ],
  )
  ret.ok? ? ret.data : ret

ensure
  cleanup_init_script
end