Class: Backup

Inherits:
QuartzPlugin show all
Defined in:
lib/plugins/backup.rb

Constant Summary collapse

@@version_major = 
0
@@version_minor = 
0
@@version_revision = 
1

Instance Method Summary collapse

Methods inherited from QuartzPlugin

#get_version, #initialize, #payload, #run_result, #run_shell

Constructor Details

This class inherits a constructor from QuartzPlugin

Instance Method Details

#info ⇒ Object 



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# File 'lib/plugins/backup.rb', line 11

def info
  { :uid => "64cec894b98b43ce9e6047a9284a4b7d", :name => "Backup", :version => get_version }
end

#run(message) ⇒ Object 



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# File 'lib/plugins/backup.rb', line 15

def run(message)
  
  pl = payload(message)

  job_name = pl['job_name']
  backup_script = "#Script generated by Cloud66 job '#{job_name}'\n\n" + pl['script']
  script_name = pl['script_name']

  random_file = Tempfile.new('cloud66').path + '.rb'
    File.open(random_file, 'w') do |f|  
        f.puts backup_script
    end
  
  backup_root_directory = File.expand_path('~/.cloud66/backup')
  FileUtils.mkdir_p(backup_root_directory)
  
  command = "backup perform --trigger #{script_name} --root-path #{backup_root_directory} --config_file #{random_file} 2>&1"
  @log.info "Shell command '#{command}'"

  begin
    result = run_shell("#{command}")
    data =  result[:message]
  
    #regex to identify all the "error" lines
    errorRegex = Regexp.new('(?<line>\[\d{4}\/\d{2}\/\d{2}\s\d{2}\:\d{2}\:\d{2}\]\[\\e\[31merror\\e\[0m\].*?)(\\n|$)')
    errors = data.scan(errorRegex)
    
    if errors.size > 0
      
      #log all the errors
      @log.info errors

      #get rid of the backtrace
      removeRegex = Regexp.new('(Backtrace\:|\d{2}\:\d{2}\]\[\\e\[31merror\\e\[0m\]\s*\/)')

      #subregex to get rid of nasty timestamp and [\e[31merror\e[0m]
      replaceRegex = Regexp.new('^.*\[\\e\[31merror\\e\[0m\]')
      
      errorResult = []
      errors.each do |errorArr|
        error = errorArr[0]
        errorResult << error.gsub(replaceRegex,'').chomp unless error =~ removeRegex
      end

      run_result(false, errorResult.join("\n"))
    else
      if (result[:ok])
        run_result(true, "Backup completed successfully!")
      else
        run_result(true, "An error occurred!")
      end
    end

  rescue => ex
    run_result(false, "Failed to execute backup due to #{ex}")
  ensure 
    File.delete random_file if File.exists? random_file
  end
end