Class: OsVm::MachineConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/osvm/machine_config.rb

Defined Under Namespace

Classes: BridgeNetwork, Cpu, Disk, Network, SocketNetwork, UserNetwork

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cfg) ⇒ MachineConfig

Returns a new instance of MachineConfig.

Parameters:

  • cfg (Hash) 


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# File 'lib/osvm/machine_config.rb', line 214

def initialize(cfg)
  @qemu = cfg.fetch('qemu')
  @extra_qemu_options = cfg.fetch('extraQemuOptions', [])
  @virtiofsd = cfg.fetch('virtiofsd')
  @squashfs = cfg.fetch('squashfs')
  @kernel = cfg.fetch('kernel')
  @initrd = cfg.fetch('initrd')
  @kernel_params = cfg.fetch('kernelParams')
  @toplevel = cfg.fetch('toplevel')
  @disks = cfg.fetch('disks').map { |disk_cfg| Disk.new(disk_cfg) }
  @memory = cfg.fetch('memory')
  @cpus = cfg.fetch('cpus')
  @cpu = Cpu.new(cfg.fetch('cpu'))
  @shared_filesystems = cfg.fetch('sharedFileSystems', {})
  @networks = cfg.fetch('networks', [{ 'type' => 'user' }]).each_with_index.map do |net_cfg, i|
    Network.from_config(i, net_cfg)
  end
end

Instance Attribute Details

#cpu ⇒ Cpu (readonly)

Returns:



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# File 'lib/osvm/machine_config.rb', line 205

def cpu
  @cpu
end

#cpus ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/osvm/machine_config.rb', line 202

def cpus
  @cpus
end

#disks ⇒ Array<Disk> (readonly)

Returns:



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# File 'lib/osvm/machine_config.rb', line 196

def disks
  @disks
end

#extra_qemu_options ⇒ Array<String> (readonly)

Returns:

  • (Array<String>) 


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# File 'lib/osvm/machine_config.rb', line 175

def extra_qemu_options
  @extra_qemu_options
end

#initrd ⇒ String (readonly)

Returns path to initrd.

Returns:

  • (String) —

    path to initrd



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# File 'lib/osvm/machine_config.rb', line 187

def initrd
  @initrd
end

#kernel ⇒ String (readonly)

Returns path to kernel bzImage.

Returns:

  • (String) —

    path to kernel bzImage



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# File 'lib/osvm/machine_config.rb', line 184

def kernel
  @kernel
end

#kernel_params ⇒ Array<String> (readonly)

Returns kernel parameters.

Returns:

  • (Array<String>) —

    kernel parameters



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# File 'lib/osvm/machine_config.rb', line 190

def kernel_params
  @kernel_params
end

#memory ⇒ Integer (readonly)

Returns system memory in MiB.

Returns:

  • (Integer) —

    system memory in MiB



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# File 'lib/osvm/machine_config.rb', line 199

def memory
  @memory
end

#networks ⇒ Array<Network> (readonly)

Returns:



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# File 'lib/osvm/machine_config.rb', line 211

def networks
  @networks
end

#qemu ⇒ String (readonly)

Returns path to qemu package.

Returns:

  • (String) —

    path to qemu package



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# File 'lib/osvm/machine_config.rb', line 172

def qemu
  @qemu
end

#shared_filesystems ⇒ Hash<String, String> (readonly)

Returns fs name => host directory.

Returns:

  • (Hash<String, String>) —

    fs name => host directory



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# File 'lib/osvm/machine_config.rb', line 208

def shared_filesystems
  @shared_filesystems
end

#squashfs ⇒ String (readonly)

Returns path to squashfs rootfs image.

Returns:

  • (String) —

    path to squashfs rootfs image



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# File 'lib/osvm/machine_config.rb', line 181

def squashfs
  @squashfs
end

#toplevel ⇒ String (readonly)

Returns path to system top level.

Returns:

  • (String) —

    path to system top level



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# File 'lib/osvm/machine_config.rb', line 193

def toplevel
  @toplevel
end

#virtiofsd ⇒ String (readonly)

Returns path to virtiofsd package.

Returns:

  • (String) —

    path to virtiofsd package



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# File 'lib/osvm/machine_config.rb', line 178

def virtiofsd
  @virtiofsd
end

Class Method Details

.load_file(path) ⇒ MachineConfig

Load machine config from file

Parameters:

  • path (String)

Returns:



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# File 'lib/osvm/machine_config.rb', line 166

def self.load_file(path)
  cfg = JSON.parse(File.read(path))
  new(cfg)
end