Class: PigMediaServer::Backup

Inherits:
Object
  • Object
show all
Defined in:
lib/pig-media-server/backup.rb

Instance Method Summary collapse

Instance Method Details

#backup ⇒ Object 



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# File 'lib/pig-media-server/backup.rb', line 6

def backup
  pit_config = Pit.get 'Pig Media Server'
  backup_path = pit_config['backup_path']
  Dir.mktmpdir do |tmpdir|
    FileUtils.cd tmpdir
    date = Date.today

    a = $f.select.to_a
    open("backup.json", "w"){|f|
      a.each_with_index{|x,i|
        f.puts [x._key, x.path, x.metadata, x.srt, x.mtime, x.size].to_json
        puts "#{i+1} / #{a.count}" if i%100 ==0
      }
    }
    open('groonga.schema', 'w'){|x| x.puts Groonga::Schema.dump}
    system "tar zcvf #{date}.tar.gz backup.json groonga.schema"
    FileUtils.mv "#{date}.tar.gz", backup_path
  end
end

#restore_from(path) ⇒ Object 



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# File 'lib/pig-media-server/backup.rb', line 26

def restore_from path
  raise unless File.exist? path
  pit_config = Pit.get 'Pig Media Server'
  Dir.glob("#{pit_config['groonga']}/**/*").each{|x| FileUtils.rm x}
  Groonga::Database.create path: pit_config['groonga']+"/search"
  Dir.mktmpdir do |tmpdir|
    FileUtils.cd tmpdir
    FileUtils.cp path, "."
    system 'tar', 'xvf', Dir.glob("*.gz").first
    system 'ls'
    FileUtils.rm Dir.glob("*.gz").first 
    Groonga::Schema.restore(open('groonga.schema').read){|schema| schema.define }
    $f = Groonga['Files']
    json =open("backup.json").read.split("\n")
    json.each_with_index{|x,i|
      x = JSON.parse x
      $f.add(x[0])
      $f[x[0]].path = x[1]
      $f[x[0]].metadata = x[2]
      $f[x[0]].srt = x[3]
      $f[x[0]].mtime = x[4]
      $f[x[0]].size = x[5]
      puts "#{i+1} / #{json.count}" if i%100 == 0 or i+1 == json.count
    }
  end
  ary = $f.select.to_a

  lost = []

  ary.each_with_index{|x,i|
    if x.path.nil?
      $f.delete x._key
      next
    end
    puts "#{i+1} / #{ary.count}" if (i+1)%1000 == 0 or i+1 == ary.count
  }
  lost.sort.each{|x| puts x}
end