Class: OsCtld::Container::LxcConfig

Inherits:
Object
  • Object
show all
Includes:
OsCtl::Lib::Utils::Log, Lockable
Defined in:
lib/osctld/container/lxc_config.rb

Overview

LXC configuration generator

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Lockable

#exclusively, included, #inclusively, #init_lock, #lock, #unlock

Constructor Details

#initialize(ct) ⇒ LxcConfig

Returns a new instance of LxcConfig.



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# File 'lib/osctld/container/lxc_config.rb', line 10

def initialize(ct)
  init_lock
  @ct = ct
end

Instance Attribute Details

#ct ⇒ Object (readonly, protected)

Returns the value of attribute ct.



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# File 'lib/osctld/container/lxc_config.rb', line 74

def ct
  @ct
end

Instance Method Details

#assets(add) ⇒ Object 



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# File 'lib/osctld/container/lxc_config.rb', line 15

def assets(add)
  add.file(
    config_path,
    desc: 'LXC config',
    user: 0,
    group: 0,
    mode: 0o644
  )
end

#config_path ⇒ Object 



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# File 'lib/osctld/container/lxc_config.rb', line 61

def config_path
  File.join(ct.lxc_dir, 'config')
end

#configure ⇒ Object Also known as: configure_base, configure_cgparams, configure_prlimits, configure_network, configure_mounts 



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# File 'lib/osctld/container/lxc_config.rb', line 25

def configure
  exclusively do
    run_conf = ct.get_run_conf
    rootfs = run_conf.rootfs

    unless rootfs
      if ct.state == :staged
        log(:warn, ct, 'Skipping LXC config generation: rootfs path is not available')
      else
        ct.state = :error
        log(:warn, ct, 'Unable to generate LXC config: rootfs path is not available')
      end

      next false
    end

    ErbTemplate.render_to('ct/config', {
      distribution: run_conf.distribution,
      version: run_conf.version,
      ct:,
      rootfs:,
      cgparams: ct.cgparams,
      prlimits: ct.prlimits,
      netifs: ct.netifs,
      mounts: ct.mounts.all_entries,
      raw: ct.raw_configs.lxc
    }, config_path)
  end
end

#dup(new_ct) ⇒ Object 



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# File 'lib/osctld/container/lxc_config.rb', line 65

def dup(new_ct)
  ret = super()
  ret.init_lock
  ret.instance_variable_set('@ct', new_ct)
  ret
end