Class: OsCtld::DistConfig::Distributions::Guix

Inherits:
Base
  • Object
show all
Defined in:
lib/osctld/dist_config/distributions/guix.rb

Defined Under Namespace

Classes: Configurator

Instance Attribute Summary

Attributes inherited from Base

#configurator, #ct, #ctrc, #distribution, #version

Instance Method Summary collapse

Methods inherited from Base

#add_netif, #apply_hostname, #configurator_class, distribution, #dns_resolvers, #initialize, #log_type, #network, #post_mount, #pre_start, #remove_netif, #rename_netif, #set_hostname, #start, #unset_etc_hosts, #update_etc_hosts, #volatile_is_systemd?, #with_rootfs

Methods included from Utils::SwitchUser

#ct_attach, #ct_syscmd

Constructor Details

This class inherits a constructor from OsCtld::DistConfig::Distributions::Base

Instance Method Details

#bin_path(_opts) ⇒ Object 



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# File 'lib/osctld/dist_config/distributions/guix.rb', line 104

def bin_path(_opts)
  with_rootfs do
    begin
      File.realpath('/var/guix/profiles/system/profile/bin')
    rescue Errno::ENOENT
      '/bin'
    end
  end
end

#passwd(opts) ⇒ Object 



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# File 'lib/osctld/dist_config/distributions/guix.rb', line 90

def passwd(opts)
  # Without the -c switch, the password is not set (bug?)
  ret = ct_syscmd(
    ct,
    %w(chpasswd -c SHA512),
    stdin: "#{opts[:user]}:#{opts[:password]}\n",
    run: true,
    valid_rcs: :all
  )

  return true if ret.success?
  log(:warn, ct, "Unable to set password: #{ret.output}")
end

#stop(opts) ⇒ Object 



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# File 'lib/osctld/dist_config/distributions/guix.rb', line 37

def stop(opts)
  # Shepherd gets stuck when it is sent a signal, so shut it down only using
  # halt.
  if %i(stop shutdown).include?(opts[:mode])
    wait_until = Time.now + opts[:timeout]
    stopped = false
    event_queue = Eventd.subscribe

    begin
      ContainerControl::Commands::StopByHalt.run!(
        ct,
        message: opts[:message],
      )

    rescue ContainerControl::Error => e
      log(:warn, ct, "Unable to gracefully shutdown shepherd: #{e.message}")
    end

    loop do
      unless ct.running?
        stopped = true
        break
      end

      timeout = wait_until - Time.now
      break if timeout < 0

      event = event_queue.pop(timeout: timeout)
      break if event.nil?

      # Ignore irrelevant events
      next if event.type != :state \
              || event.opts[:pool] != ct.pool.name \
              || event.opts[:id] != ct.id

      if event.opts[:state] == :stopped
        stopped = true
        break
      end
    end

    Eventd.unsubscribe(event_queue)

    if !stopped && opts[:mode] != :shutdown
      super(opts.merge(mode: :kill, message: nil))
    elsif ct.running?
      raise ContainerControl::Error, 'Timeout while waiting for halt'
    end
  else
    super
  end
end