Module: Susi

Defined in:
lib/vm.rb,
lib/qmp.rb,
lib/ssh.rb,
lib/vnc.rb,
lib/disk.rb,
lib/susi.rb,
lib/output.rb,
lib/version.rb

Defined Under Namespace

Classes: Disk, QMP, SSH, VM, VNC

Constant Summary collapse

CONFIG_FILE = 
".susi.yml"
SUSI_DIR = 
"#{ENV['HOME']}/.susi"
TEMPLATE_DIR = 
"#{SUSI_DIR}/templates"
DISK_DIR = 
"#{SUSI_DIR}/disks"
VERSION = 
'0.0.9'

Class Method Summary collapse

Class Method Details

.current_vm_name ⇒ Object 



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# File 'lib/susi.rb', line 19

def self.current_vm_name
  if !File.exist?(CONFIG_FILE)
    raise "susi is not initialized"
  end

  # load config
  config = YAML.load_file(CONFIG_FILE)
  config['name'] || Dir.pwd.split('/').last
end

.debug(msg) ⇒ Object 



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# File 'lib/output.rb', line 2

def self.debug(msg)
  puts msg if DEBUG
end

.info(msg) ⇒ Object 



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# File 'lib/output.rb', line 6

def self.info(msg)
  puts msg
end

.init ⇒ Object 



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# File 'lib/susi.rb', line 29

def self.init
  # check if .susi.yml exist, if not create it
  if !File.exist?(CONFIG_FILE)
    # create unique ID
    id = SecureRandom.uuid

    File.open(CONFIG_FILE, "w") do |file|
      file.puts <<-YAML
id: #{id}
template: DEFAULT
YAML
    end
  end
end

.rm ⇒ Object 



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# File 'lib/susi.rb', line 80

def self.rm
  if !File.exist?(CONFIG_FILE)
    raise "susi is not initialized"
  end

  # load config
  config = YAML.load_file(CONFIG_FILE)
  id = config['id']
  disk_name = "#{DISK_DIR}/#{id}.qcow2"

  if File.exist?(disk_name)
    # verbose remove file
    Susi::debug "removing #{disk_name}"
    File.delete(disk_name)
  end
end

.start ⇒ Object 



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# File 'lib/susi.rb', line 44

def self.start
  if !File.exist?(CONFIG_FILE)
    raise "susi is not initialized"
  end

  # load config
  config = YAML.load_file(CONFIG_FILE)
  id = config['id']
  name = config['name'] || Dir.pwd.split('/').last
  usb = config['usb']
  shared_dir = config['shared_dir']
  disk_template = "#{TEMPLATE_DIR}/#{config['template']}"

  # check if vm is already running
  if VM.running?(name)
    raise "VM #{name} is already running"
  end

  # check if disk exist, if not clone it
  disk_name = "#{DISK_DIR}/#{id}"
  if !File.exist?("#{disk_name}.qcow2")
    Susi::debug "Disk not found, cloning..."
    Disk.clone(disk_template, disk_name)

    VM.start(name, disk_name, usb: usb, shared_dir: shared_dir)

    # SSH into VM and set hostname
    SSH.set_hostname(name)
    if shared_dir
      SSH.setup_virtio_filesystem(name)
    end
  else
    VM.start(name, disk_name, usb: usb, shared_dir: shared_dir)
  end
end