Class: Snapsync::SubvolumeInfo

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(subvolume_dir) ⇒ SubvolumeInfo

Returns a new instance of SubvolumeInfo.

Parameters:



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# File 'lib/snapsync/btrfs_subvolume.rb', line 89

def initialize(subvolume_dir)
  @subvolume_dir = subvolume_dir
  @btrfs = Btrfs.get(subvolume_dir)

  integers = Set[:subvolume_id, :generation, :gen_at_creation, :parent_id, :top_level_id, :send_transid, :receive_transid]
  btrfs.subvolume_show(subvolume_dir).each do |k, v|
    if integers.include? k.to_sym
      instance_variable_set '@'+k, Integer(v)
    else
      instance_variable_set '@'+k, v
    end
  end
end

Instance Attribute Details

#absolute_dir ⇒ String (readonly)

The absolute path in the btrfs filesystem

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 30

def absolute_dir
  @absolute_dir
end

#btrfs ⇒ Btrfs (readonly)

Returns:



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# File 'lib/snapsync/btrfs_subvolume.rb', line 23

def btrfs
  @btrfs
end

#creation_time ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 48

def creation_time
  @creation_time
end

#flags ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 66

def flags
  @flags
end

#gen_at_creation ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 57

def gen_at_creation
  @gen_at_creation
end

#generation ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 54

def generation
  @generation
end

#name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 33

def name
  @name
end

#parent_id ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 60

def parent_id
  @parent_id
end

#parent_uuid ⇒ String (readonly)

Denotes a subvolume that’s a direct parent in the snapshot’s timeline. I.e. [parent -> self] difference possible

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 41

def parent_uuid
  @parent_uuid
end

#receive_time ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 83

def receive_time
  @receive_time
end

#receive_transid ⇒ Integer (readonly)

The transaction of id of the start of the receive. The next transaction_id holds actual data and changes. It is +1 of the subvolume’s, created by btrfs receive, gen_at_creation

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 80

def receive_transid
  @receive_transid
end

#received_uuid ⇒ String (readonly)

Denotes the UUID of the subvolume sent by ‘btrfs send’

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 45

def received_uuid
  @received_uuid
end

#send_time ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 74

def send_time
  @send_time
end

#send_transid ⇒ Integer (readonly)

A transaction id in the sending btrfs filesystem for the ‘btrfs send` action. Does not correspond to anything in subvolumes.

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 71

def send_transid
  @send_transid
end

#snapshots ⇒ Array<String> (readonly)

Returns:

  • (Array<String>) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 86

def snapshots
  @snapshots
end

#subvolume_dir ⇒ AgnosticPath (readonly)

Returns:



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# File 'lib/snapsync/btrfs_subvolume.rb', line 26

def subvolume_dir
  @subvolume_dir
end

#subvolume_id ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 51

def subvolume_id
  @subvolume_id
end

#top_level_id ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 63

def top_level_id
  @top_level_id
end

#uuid ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/snapsync/btrfs_subvolume.rb', line 36

def uuid
  @uuid
end