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require 'disk/MiqDisk'
#
# One object of this class for each logical volume.
#
class LogicalVolume
attr_accessor :lvId, :lvName, :segmentCount, :segments, :status, :vgObj, :lvPath, :driveHint
def initialize(lvId = nil, lvName = nil, segmentCount = 0)
@lvId = lvId # the UUID of this logical volume
@lvName = lvName # the logical volume's name
@lvPath = nil # native use only
@segmentCount = segmentCount.to_i # the number of segments in this LV
@driveHint = nil # Drive hint, for windows
@segments = [] # array of this LV's LvSegment objects
@status = []
@vgObj = nil # a reference to this LV's volume group
@superblock = nil # thin metadata superblock (if this is a thin metadata volume)
end
# will raise exception if LogicalVolume is not thin metadata volume
def superblock
@superblock ||= Lvm2Thin::SuperBlock.get self
end
# MiqDisk object for volume
def disk
@disk ||= begin
dInfo = OpenStruct.new
dInfo.lvObj = self
dInfo.hardwareId = ""
MiqDisk.new(Lvm2DiskIO, dInfo, 0)
end
end
def thin_segments
@thin_segments ||= segments.select { |segment| segment.thin? }
end
def thin_segment
thin_segments.first
end
def thin?
!thin_segments.empty?
end
def thin_pool_volume
return nil unless thin?
return thin_segment.thin_pool_volume
end
def thin_pool_segments
@thin_pool_segments ||= segments.select { |segment| segment.thin_pool? }
end
def thin_pool_segment
thin_pool_segments.first
end
def thin_pool?
!thin_pool_segments.empty?
end
def metadata_volume
thin_pool_segment.metadata_volume
end
def data_volume
thin_pool_segment.data_volume
end
end # class LogicalVolume
Version data entries
67 entries across 67 versions & 1 rubygems