Class: VpsAdminOS::Converter::Vz6::ConfigItem

Inherits:
Object
  • Object
show all
Defined in:
lib/vpsadminos-converter/vz6/config_item.rb

Defined Under Namespace

Classes: Device

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ctid, k, v) ⇒ ConfigItem

Returns a new instance of ConfigItem.



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 30

def initialize(ctid, k, v)
  @key = k
  @value = parse(ctid, v)
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 28

def key
  @key
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 28

def value
  @value
end

Instance Method Details

#consume ⇒ Object 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 39

def consume
  @consumed = true
end

#consumed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 35

def consumed?
  @consumed.nil? ? false : @consumed
end

#parse(ctid, v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 45

def parse(ctid, v)
  # rubocop:disable Lint/DuplicateBranch

  case key
  # Miscellaneous
  when 'NAME', 'DESCRIPTION', 'OSTEMPLATE', 'MOUNT_OPTS', 'ORIGIN_SAMPLE',
       'VE_LAYOUT'
    v

  when 'VE_ROOT', 'VE_PRIVATE'
    veid_subst(ctid, v)

  when 'ONBOOT', 'DISABLED'
    parse_bool(v)

  when 'BOOTORDER', 'STOP_TIMEOUT'
    parse_num(v)

  # Networking
  when 'HOSTNAME', 'NETFILTER'
    v

  when 'NAMESERVER', 'IP_ADDRESS'
    parse_addrs(v)

  when 'SEARCHDOMAIN'
    parse_list(v)

  # VSwap limits
  when 'PHYSPAGES', 'SWAPPAGES'
    parse_limit(v, pages: true)

  # CPU fair scheduler parameters
  when 'CPUUNITS', 'CPUS', 'CPULIMIT'
    parse_num(v)

  # User beancounters
  # TODO

  # Devices
  when 'DEVICES'
    parse_devices(v)

  # Capabilities & features
  when 'CAPABILITY', 'FEATURES'
    parse_onoff_list(v)

  else
    v
  end

  # rubocop:enable Lint/DuplicateBranch
end

#parse_addrs(v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 124

def parse_addrs(v)
  parse_list(v).map { |addr| IPAddress.parse(addr) }
end

#parse_bool(v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 103

def parse_bool(v)
  case v
  when 'yes'
    true
  when 'no'
    false
  else
    raise "unexpected boolean value #{key}=\"#{v}\""
  end
end

#parse_devices(v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 162

def parse_devices(v)
  parse_list(v).map { |dev| Device.new(*dev.split(':')) }
end

#parse_limit(v, pages: nil) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 128

def parse_limit(v, pages: nil)
  if v.index(':')
    v.split(':')[0..1].map { |v| parse_unit(v, pages:) }

  else
    ret = parse_unit(v, pages:)
    [ret, ret]
  end
end

#parse_list(v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 99

def parse_list(v)
  v.split(/\s/).map(&:strip).delete_if(&:empty?)
end

#parse_num(v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 114

def parse_num(v)
  v.to_i
end

#parse_onoff_list(v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 166

def parse_onoff_list(v)
  parse_list(v).to_h do |cap|
    name, enabled = cap.split(':')

    case enabled
    when 'on'
      [name.downcase, true]
    when 'off'
      [name.downcase, false]
    else
      raise "unknown mode '#{name}:#{enabled}'"
    end
  end
end

#parse_unit(v, pages: false) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 138

def parse_unit(v, pages: false)
  return 0 if v == 'unlimited'

  n = v.to_i
  suffix = v.strip[-1]
  return n if suffix =~ /^\d+$/

  if suffix.upcase == 'P'
    n

  elsif (i = %w[B K M G T].index(suffix.upcase))
    i.times { n *= 1024 }

    if pages
      n / 4096
    else
      n
    end

  else
    raise "unsupported suffix '#{suffix}'"
  end
end

#veid_subst(ctid, v) ⇒ Object (protected) 



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# File 'lib/vpsadminos-converter/vz6/config_item.rb', line 118

def veid_subst(ctid, v)
  v.gsub!('$VEID', ctid)
  v.gsub!('${VEID}', ctid)
  v
end