Class: OsVm::MachineConfig

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

Defined Under Namespace

Classes: BridgeNetwork, Cpu, Disk, Network, 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 168

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, {})
  @network = Network.from_config(cfg.fetch(:network, {
    mode: 'user',
    opts: {
      network: '10.0.2.0/24',
      host: '10.0.2.2',
      dns: '10.0.2.3',
    },
  }))
end

Instance Attribute Details

#cpu ⇒ Cpu (readonly)

Returns:



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# File 'lib/osvm/machine_config.rb', line 159

def cpu
  @cpu
end

#cpus ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/osvm/machine_config.rb', line 156

def cpus
  @cpus
end

#disks ⇒ Array<Disk> (readonly)

Returns:



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# File 'lib/osvm/machine_config.rb', line 150

def disks
  @disks
end

#extra_qemu_options ⇒ Array<String> (readonly)

Returns:

  • (Array<String>) 


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# File 'lib/osvm/machine_config.rb', line 129

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 141

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 138

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 144

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 153

def memory
  @memory
end

#network ⇒ Network (readonly)

Returns:



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# File 'lib/osvm/machine_config.rb', line 165

def network
  @network
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 126

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 162

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 135

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 147

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 132

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 120

def self.load_file(path)
  cfg = JSON.parse(File.read(path), symbolize_names: true)
  new(cfg)
end