Class: RQ::Backer

Inherits:

MainHelper

• Object
• MainHelper
• RQ::Backer

Defined in:

lib/rq/backer.rb

Overview

a Backer object makes an (optionally) timestamped hot backup/snapshot of a queue using a timestamp of milli second resolution.

Constant Summary

Constants included from Logging

Logging::DIV0, Logging::DIV1, Logging::DIV2, Logging::DIV3, Logging::EOL, Logging::SEC0, Logging::SEC1, Logging::SEC2, Logging::SEC3

Instance Attribute Summary

Attributes inherited from MainHelper

#argv, #cmd, #dot_rq_dir, #env, #fields, #job_stdin, #loops, #main, #mode, #options, #program, #q, #qpath, #quiet, #stdin

Instance Method Summary

• #backup ⇒ Object

  –{{{.

Methods inherited from MainHelper

#dumping_yaml_tuples, #field_match, #init_job_stdin!, #initialize, #loadio, #loadyaml, #set_q

Methods included from Logging

append_features

Methods included from Logging::LogMethods

#debug, #error, #fatal, #info, #logerr, #logger, #logger=, #warn

Methods included from Util

#alive?, append_features, #btrace, #columnize, #defval, #emsg, #erreq, #errmsg, #escape, #escape!, #exec, export, #fork, #getopt, #hashify, #hms, #host, #hostname, #klass, #maim, #mcp, #realpath, #stamptime, #system, #timestamp, #tmpnam, #uncache, #which_ruby

Constructor Details

This class inherits a constructor from RQ::MainHelper

Instance Method Details

#backup ⇒ Object

–{{{

# File 'lib/rq/backer.rb', line 15

def backup 
#--{{{
  set_q
  bak = @argv.shift
  bak ||= "#{ @qpath }.#{ Util::timestamp.gsub(/[:\s\.-]/,'_') }.bak"
  raise "<#{ bak }> exists" if bak and test(?e, bak)
  debug{ "bak <#{ bak }>" }
  @q.lock{ FileUtils::cp_r @qpath, bak }
  info{ "created backup <#{ bak }>" }
#--}}}
end