Class: FileRotate

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

def info
	{ :uid => "02f7d8237bcc438e8f0659babfef2911", :name => "File Rotater", :version => get_version }
end

#run(message) ⇒ Object 



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

def run(message)
	pl = payload(message)

	source_pattern = pl['source_pattern']
	dest_folder = pl['location']
	keep = pl['keep'].nil? ? 5 : pl['keep'].to_i
	post_rotate = pl['post_rotate']

	archive = File.join(dest_folder, '/archive')

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

       FileUtils.mkdir_p(archive)
       rotated = false
       Dir.glob(source_pattern).each do |f|
       	rotated = true
       	fname = File.basename(f)
       	dest_filename = "#{fname}.#{ext}"
       	dest_path = File.join(archive, dest_filename)
       	@log.debug "Moving #{f} to #{dest_path}"

       	move_shell = run_shell("mv #{f} #{dest_path}")
       	return run_result(false, move_shell[:message]) unless move_shell[:ok]

               return run_result(true, "Files moved successfully with no rotation") if keep == 0

       	# find all the files from this one's rotations
       	rotated_pattern = "#{File.join(archive, 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 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_rotate.empty? && rotated
       	@log.debug "Running post rotate step #{post_rotate}"
       	post_shell = run_shell(post_rotate)
       	return run_result(false, post_shell[:message]) unless post_shell[:ok]
       end

       result = rotated ? "Files rotated successfully" : "No files to rotate"

       run_result(true, result)
end