Class: LVM::VolumeGroups

Inherits:
Object
  • Object
show all
Includes:
Enumerable, Volumes, Wrapper
Defined in:
lib/lvm/volume_groups.rb

Instance Method Summary collapse

Methods included from Volumes

#[], #to_s

Constructor Details

#initialize(options) ⇒ VolumeGroups

Returns a new instance of VolumeGroups.



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# File 'lib/lvm/volume_groups.rb', line 13

def initialize(options)
  @vgs = VGS.new(options)
  @pvs = PhysicalVolumes.new(options)
  @lvs = LogicalVolumes.new(options)
end

Instance Method Details

#each ⇒ Object

Gather all information about volume groups and their underlying logical and physical volumes.

This is the best representation of LVM data.



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# File 'lib/lvm/volume_groups.rb', line 23

def each 
  vgs = @vgs.list
  
  vgs.each do |vg|
    vg.logical_volumes ||= []
    @lvs.each do |lv|
      if lv.vg_uuid == vg.uuid
        vg.logical_volumes << lv
      end
    end
    vg.physical_volumes ||= []
    @pvs.each do |pv|
      if pv.vg_uuid == vg.uuid
        vg.physical_volumes << pv
      end
    end
  end

  return vgs.each {|v| yield v}
end