Class: Vbinfo::Command

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.synopsis ⇒ Object 



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# File 'lib/command.rb', line 12

def self.synopsis
  "outputs information for each Virtualbox VM"
end

Instance Method Details

#enumerate_guest_info(id) ⇒ Object 



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# File 'lib/command.rb', line 73

def enumerate_guest_info(id)
  if vboxmanage?
    command = Mixlib::ShellOut.new("vboxmanage guestproperty enumerate #{id}")
    command.run_command
    return command.stdout
  end
end

#execute ⇒ Object

Print detailed information for each Virtualbox VM associated with the project in the current directory



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# File 'lib/command.rb', line 96

def execute
  total_hash = Hash.new
  ids.each do |id|
    mini_hash = Hash.new
    name = id['name']
    i = id['id']
    guest_str = enumerate_guest_info(i).to_s
    guest_hash = get_guest_hash(guest_str)
    mini_hash['guest_info'] = guest_hash
    vm_str = show_vm_info(i).to_s
    vm_hash = get_vm_hash(vm_str)
    mini_hash['vm_info'] = vm_hash
    total_hash[name] = mini_hash 
  end
  if total_hash.empty? 
    @env.ui.info("No Virtualbox data was found")
  else
    @env.ui.info(JSON.pretty_generate(total_hash))
  end
  exit 0
end

#get_guest_hash(str) ⇒ Object 



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# File 'lib/command.rb', line 81

def get_guest_hash(str)
  h = Hash.new
  lines = str.split("\n")
  lines.each do |line|
    name_match = Regexp.new("(?<=Name: )[^,]*")
    value_match = Regexp.new("(?<=value: )[^,]*")
    name = line[name_match]
    value = line[value_match]
    h[name] = value
  end
  return h
end

#get_vm_hash(str) ⇒ Object

Get hash



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# File 'lib/command.rb', line 60

def get_vm_hash(str)
  h = Hash.new
  lines = str.split("\n")
  lines.each do |line|
    key, val = line.split("=")
    [key, val].each do |item|
      item.tr!('"', '')
    end       
    h[key.to_s] = val.to_s
  end
  return h
end

#ids ⇒ Object

return an array of hashes, each hash containing the name and id. Single VM configurations typically are named default, while multiple VM configurations are named individually.



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# File 'lib/command.rb', line 20

def ids
  a = Array.new
  Find.find("#{ENV['PWD']}/.vagrant") do |item|
    if File.file?(item) and File.basename(item) == 'id'
      h = Hash.new
      # Id will be found in the id file
      file = File.open(item)
      h["id"] = file.read
      # the name will be in /<name>/virtualbox/id of path
      regex_obj = Regexp.new('[^\/]*(?=/virtualbox)')
      h["name"] = item[regex_obj]
      a << h
      file.close
    end
  end
  return a
end

#show_vm_info(id) ⇒ Object

Print detailed info for the given VM ID



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# File 'lib/command.rb', line 50

def show_vm_info(id)
  if vboxmanage?
    # Return the output
    command = Mixlib::ShellOut.new("vboxmanage showvminfo --machinereadable #{id}")
    command.run_command
    return command.stdout
  end 
end

#vboxmanage? ⇒ Boolean

Check for vboxmanage and exit 1 if not available

Returns:

  • (Boolean) 


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# File 'lib/command.rb', line 39

def vboxmanage?
  # Fail if vboxmanage does not exist in the path
  if not Vagrant::Util::Which.which('vboxmanage')
    raise Vagrant::Errors::CommandUnavailable, file: 'vboxmanage'
    exit 1
  else
    true
  end
end