Class: LogRotate

Inherits:
QuartzPlugin show all
Defined in:
lib/plugins/log_rotate.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/log_rotate.rb', line 10

def info
	{ :uid => "8f4286bfd946c8b08b234833673b8860", :name => "Log Rotate", :version => get_version }
end

#run(message) ⇒ Object 



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# File 'lib/plugins/log_rotate.rb', line 14

def run(message)
		pl = payload(message)

		@source_pattern 	= pl['source_pattern']
		@dest_folder 		= pl['destination']
		@keep 				= pl['keep'].empty? ? 0 : pl['keep'].to_i
		@post_run_step 		= pl['post_rotate']

    ext = Time.now.utc.strftime('%Y%m%d%H%M%S')

    FileUtils.mkdir_p(@dest_folder)

		Dir.glob(@source_pattern).each do |f|
			dest_file = File.join(@dest_folder, File.basename(f))
			next if File.directory?(f)
			fname = "#{dest_file}.gz"
			dump_cmd = "cat #{f} | gzip > '#{fname}.#{ext}'"
     @log.debug "Running #{dump_cmd}"
     copy_result = run_shell(dump_cmd)

     return run_result(false, copy_result[:message]) unless copy_result[:ok]

     @log.debug "Removing source log files"
     remove_result = run_shell("rm #{f}")

     return run_result(false, remove_result[:message]) unless remove_result[:ok]

 	# find all the files from this one's rotations
 	rotated_pattern = "#{fname}.*"
 	@log.debug "Looking for rotated files #{rotated_pattern}"
 	all_rotated = Dir.glob(rotated_pattern)
 	if all_rotated.count > @keep
 		remove_count = all_rotated.count - @keep
     	to_remote = all_rotated.sort! { |a,b| File.mtime(a) <=> File.mtime(b) }[0...remove_count]
@log.debug "Removing extra #{remove_count} files"
to_remote.each do |tr|
	@log.debug "Removing #{tr}"
	remove_shell = run_shell("rm #{tr}")
	return run_result(false, remove_shell[:message]) unless remove_shell[:ok]
end
     end
    end

    if !@post_run_step.nil? && !@post_run_step.empty?
    	@log.debug "Running post rotate step #{@post_run_step}"
    	post_shell = run_shell(@post_run_step)
    	return run_result(false, post_shell[:message]) unless post_shell[:ok]
    end

    return run_result(true, "Log files rotated succesfully")
end