Class: Backup

Inherits:
Object
  • Object
show all
Defined in:
lib/backup.rb

Overview

A class that has individual backups as instances.

Instance Method Summary collapse

Constructor Details

#initialize(path, rsync_arguments, verbose) ⇒ Backup

Initializes the a backup, takes as arguments a Configfile, some rsync_arguments and the information if it should be verbose.



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# File 'lib/backup.rb', line 10

def initialize(path, rsync_arguments, verbose)
  @rsync_arguments = rsync_arguments
  @verbose = verbose
  @logger = nil
  @configfile = nil
  
  begin 
    @configfile = ConfigFile.new(path)

    logfile = @configfile.logfile
    if logfile == ""
      if @configfile.logdir == ""
        logfile = "/tmp/" + Time.now.strftime("%Y-%m-%d.%Hh%M")
      else
        logfile = @configfile.logdir + "/" + Time.now.strftime("%Y-%m-%d.%Hh%M")+"-"+@configfile.filename.to_s+".log"
      end
    else
      logfile = @configfile.logfile
    end

    @logger = Log.new(logfile, @configfile.advancedlog, @configfile.syslog)

    @configfile.write
    
    @logger.p("-" * 20, 98)
    @logger.p("Working on " + @configfile.filename, 2)
    @logger.p("-" * 20, 98)
    @logger.p("\nChecking configfile...")
    
    if @configfile.sendmail
      @logger.initialize_email(@configfile.email, @configfile.smtp,
        @configfile.port, @configfile.uname, @configfile.passwd,
        @configfile.tls, @configfile.testm, path.split("/")[-1])
      if @configfile.testm
        @logger.p("The test e-mail has been successfully sent to " + @configfile.email + ",", 2, 1)
        @configfile.testm=false
        @configfile.write
        @logger.p("testm has been automatically set to 'no'.", 2, 1)            
      end  
    end
    
    raise "No 'rsync' installed!" unless command_exists?("rsync")
    raise "No 'du' installed!" unless command_exists?("du")      
    raise "No 'df' installed!" unless command_exists?("df")
    readcf
    
    if not @configfile.execute_before.empty? then
      output = `#{@configfile.execute_before} 2>&1`
      raise "execute_before command '" + @configfile.execute_before + "' was not successful, aborting!\nThis was the output generated:\n" + output unless $?.exitstatus == 0
    end
    
    @backup_dir = SmarbsBackupDir.new(@configfile.dest + "/" + "smarbsbackup", @configfile.ignore_leftovers)
    
    backup
    
    if not @configfile.execute_after.empty? then
      output = `#{@configfile.execute_after} 2>&1`
      raise(AfterException, "execute_after command '" + @configfile.execute_after + "' was not successful, aborting!\nThis was the output generated:\n" + output) unless $?.exitstatus == 0
    end
  
  rescue AfterException
    message =  $!.to_s + "\nCheck your configfile " + path + "."
    if @logger.nil?
      puts "Error: " + message
    else
      @logger.p(message, 4)
    end
  rescue NoConfigException
    @configfile.execute_after = "" if @configfile.execute_after.nil?
    message =  $!.to_s
    if not @configfile.execute_after.empty? then
      output = `#{@configfile.execute_after} 2>&1`
      if $?.exitstatus != 0 then
        message = "execute_after command '" + @configfile.execute_after + "' was not successful, aborting!\nThis was the output generated:\n" + output + "\nAlso, your backup was aborted: " + message
      end
    end
    if @logger.nil?
      puts "Error: " + message
    else
      @logger.p(message, 4)
    end
  rescue
    message =  $!.to_s + "\nCheck your configfile " + path + "."
    @configfile.execute_after = "" if @configfile.execute_after.nil? unless @configfile.nil?
    if not @configfile.execute_after.empty? then
      output = `#{@configfile.execute_after} 2>&1`
      if $?.exitstatus != 0 then
        message = "execute_after command '" + @configfile.execute_after + "' was not successful, aborting!\nThis was the output generated:\n" + output + "\nAlso, your backup was aborted: " + message
      end
    end unless @configfile.nil?
    if @logger.nil?
      puts "Error: " + message
    else
      @logger.p(message, 4)
    end
  end
end