Class: Storcs::Parsers::Netapp

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/storcs/parsers/netapp.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#parse_size

Constructor Details

#initialize(name, file) ⇒ Netapp

Returns a new instance of Netapp.



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# File 'lib/storcs/parsers/netapp.rb', line 7

def initialize(name, file)
  @device = Storcs::Device.new(name)
  @lines = File.readlines(file)
  parse!
end

Instance Attribute Details

#device ⇒ Object

Returns the value of attribute device.



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# File 'lib/storcs/parsers/netapp.rb', line 5

def device
  @device
end

Instance Method Details

#aggregates ⇒ Object 



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# File 'lib/storcs/parsers/netapp.rb', line 17

def aggregates
  return @aggregates if @aggregates
  @aggregates = []

  state = nil
  current_aggr = nil
  current_aggr_usable_size = 0

  @lines.each do |line|
    # Aggregate 'aggr0'
    if line =~ /^Aggregate '([^']*)'/
      name = Regexp.last_match[1]
      current_aggr = Storcs::Device.new(name)
      current_aggr.children = []
      state = :aggr
    elsif state == :aggr
      case line
      # Volume Allocated Used Guarantee
      when /^Volume.+Allocated/
        state = :volume
      # Total space 492030416KB 12922692KB 23052692KB
      when /^Total space\s+(.*)$/
        data = Regexp.last_match[1]
        alloc = parse_size(data.split(/\s+/).first)
        current_aggr.real_unassigned = current_aggr_usable_size - alloc
        current_aggr_usable_size = 0
      # Snap reserve 0KB 1406504KB 0KB
      when /^Snap reserve\s+(.*)$/
        data = Regexp.last_match[1]
        vol = Storcs::Device.new('Snapshots')
        size = parse_size(data.split(/\s+/)[1])
        vol.real_size = vol.real_used = size
        current_aggr.children << vol
        current_aggr.real_unassigned -= size
        @aggregates << current_aggr
        current_aggr = nil
      # Total space  WAFL reserve  Snap reserve  ...
      when /^\s+Total space/
        state = :aggr_total
      end
    # 573419008KB 57341880KB 0KB 516077128KB 0KB 0KB 0KB
    elsif state == :aggr_total
      usable_size = line.split(/\s+/)[4]
      current_aggr_usable_size = parse_size(usable_size)
      state = :aggr
    elsif state == :volume
      case line
      when /^\s*$/
        state = :aggr
      # vol0 492030416KB 12922692KB volume
      else
        name, alloc, used = line.split(/\s+/)
        vol = Storcs::Device.new(name)
        vol.real_size = parse_size(alloc)
        vol.real_used = parse_size(used)

        current_aggr.children << vol
      end
    end
  end

  @aggregates
end

#parse! ⇒ Object 



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# File 'lib/storcs/parsers/netapp.rb', line 13

def parse!
  @device.children = aggregates
end