勉強メモ

引き続きRuby中

メモを残す

#!/usr/bin/env ruby


require 'date'






def parse_dir(conf)
 snap = Hash::new

# hoge.tap{|h| hoge.each_pair{|src, dst| h[src] = "a"} }


 conf.each_pair {|src, dst| 
  _src = src.sub(/$\//,"").split(/\s*\/\s*/)
 if _src.size == 0
  snap[src] = "#{dst}/rootfs_#{Time.now.strftime("%Y%m%d").to_s}"
 else
  snap[src] = "#{dst}/#{_src[_src.size - 1].strip}_#{Time.now.strftime("%Y%m%d").to_s}"
 end
 }
 return snap
end


def get_conf(conf_file)
 conf = Hash[*open(conf_file).read.split(/\n/).map{|f| f.split}.flatten]
 return conf
end

class Snapshot
 def initialize(conf = "/etc/snap.conf")
 @snap = parse_dir(get_conf(conf))
 end
 def do_snap
 @snap.each_pair {|src, dst|
  system("btrfs","sub","snap",src,dst)
 }
 end
end


if ARGV[0] == nil
 snap = Snapshot.new
else
 if File::ftype(ARGV[0]) == "file"
  snap = Snapshot.new(ARGV[0])
 else
  p "no such file"
 end
end

if snap != nil
 snap.do_snap
end