Class: BakFile

Inherits:
SqliteActiveRecord show all
Defined in:
lib/bakfile.rb

Overview

Represents files that are either backed up, about to be backed up, or failed to be backed up.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.delete_from_fs(delete_fid) ⇒ Bool

Delete from filesystem using just a fid

Returns:

  • (Bool) 


53
54
55
56
57
58
59
60
61
 
# File 'lib/bakfile.rb', line 53

def self.delete_from_fs(delete_fid)
  begin
    File.delete(PathHelper.path(delete_fid))
  rescue Exception => e
    if $debug
      raise e
    end
  end
end

.max_fid ⇒ Object

get the max fid that is backed up



11
12
13
14
15
16
17
18
19
 
# File 'lib/bakfile.rb', line 11

def self.max_fid
  last_backed_file = BakFile.order("fid").last
  if last_backed_file
    max_fid = last_backed_file.fid
  else
    max_fid = 0
  end
  max_fid
end

Instance Method Details

#bak_it ⇒ Bool

Get a file from MogileFS and save it to the destination path.

Returns:

  • (Bool) 


37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/bakfile.rb', line 37

def bak_it
  begin
    path = PathHelper.path(self.fid)
    $mg.get_file_data(self.dkey, path)
  rescue Exception => e
    if $debug
      raise e
    end
    return false
  end
  true
end

#restore ⇒ Bool

Restore a file back to a MogileFS domain

Returns:

  • (Bool) 


23
24
25
26
27
28
29
30
31
32
 
# File 'lib/bakfile.rb', line 23

def restore
  path = PathHelper.path(self.fid)
  begin
    $mg.store_file(self.dkey, self.classname, path)
  rescue Exception => e
    if $debug
      raise e
    end
  end
end