Class: OsCtld::Commands::Container::Chgrp

Inherits:
Logged
  • Object
show all
Includes:
OsCtl::Lib::Utils::Log, OsCtl::Lib::Utils::System
Defined in:
lib/osctld/commands/container/chgrp.rb

Instance Attribute Summary

Attributes inherited from Base

#client, #client_handler, #id, #opts

Instance Method Summary collapse

Methods inherited from Logged

#base_execute

Methods inherited from Base

#base_execute, #call_cmd, #call_cmd!, cmd, #error, #error!, handle, #handled, #indirect?, #initialize, #manipulate, #manipulation_holder, #ok, #progress, #request_stop, run, run!

Constructor Details

This class inherits a constructor from OsCtld::Commands::Base

Instance Method Details

#execute(ct) ⇒ Object



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# File 'lib/osctld/commands/container/chgrp.rb', line 16

def execute(ct)
  new_group = DB::Groups.find(opts[:group], ct.pool)

  if new_group.nil?
    error!('group not found')
  elsif ct.group == new_group
    error!("already in group #{new_group.name}")
  elsif ct.state != :stopped
    error!('container has to be stopped first')
  end

  old_group = ct.group

  manipulate([ct, new_group, old_group]) do
    # Double check state
    error!('container has to be stopped first') if ct.state != :stopped

    # Check that devices are available in the new group
    unless %w(provide remove).include?(opts[:missing_devices])
      begin
        ct.devices.check_all_available!(new_group)

      rescue DeviceNotAvailable, DeviceModeInsufficient => e
        error!(e.message)
      end
    end

    # Stop monitor for old user/group
    Monitor::Master.demonitor(ct)

    progress('Moving LXC configuration')

    # Ensure LXC home
    unless new_group.setup_for?(ct.user)
      dir = new_group.userdir(ct.user)

      FileUtils.mkdir_p(dir, mode: 0751)
      File.chown(0, ct.user.ugid, dir)
    end

    # Move CT dir
    syscmd("mv #{ct.lxc_dir} #{ct.lxc_dir(group: new_group)}")

    # Switch group, regenerate configs
    progress('Reconfiguring container')
    ct.chgrp(new_group, missing_devices: opts[:missing_devices] || 'check')

    # Restart monitor
    Monitor::Master.monitor(ct)

    # Clear old LXC home if possible
    unless old_group.has_containers?(ct.user)
      progress('Cleaning up original LXC home')
      Dir.rmdir(old_group.userdir(ct.user))
    end

    ok
  end
end

#findObject



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# File 'lib/osctld/commands/container/chgrp.rb', line 11

def find
  ct = DB::Containers.find(opts[:id], opts[:pool])
  ct || error!('container not found')
end