Class: LSync::Methods::RSync

Inherits:
LSync::Method show all
Defined in:
lib/lsync/methods/rsync.rb

Direct Known Subclasses

RSyncSnapshot

Instance Attribute Summary

Attributes inherited from LSync::Method

#logger

Instance Method Summary collapse

Methods included from EventHandler

#abort!, #fire, #on, #try

Constructor Details

#initialize(direction, options = {}) ⇒ RSync

Returns a new instance of RSync.



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# File 'lib/lsync/methods/rsync.rb', line 25

def initialize(direction, options = {})
	super(options)
	@direction = direction
	@command = options[:command] || "rsync"
	
	@options = options
	@connection = nil
end

Instance Method Details

#run(master_server, target_server, directory) ⇒ Object 



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# File 'lib/lsync/methods/rsync.rb', line 34

def run(master_server, target_server, directory)
	arguments = (@options[:arguments] || ["--archive"]) + (directory.options[:arguments] || [])

	local_server = nil
	remote_server = nil

	if @direction == :push
		local_server = master_server
		remote_server = target_server

		dst = remote_server.connection_string(directory)
		src = local_server.full_path(directory)
	else
		local_server = target_server
		remote_server = master_server

		src = remote_server.connection_string(directory)
		dst = local_server.full_path(directory)
	end

	arguments += connect_arguments(local_server, remote_server)

	# Create the destination backup directory
	@connection = target_server.connect
	@connection.send_object([:mkdir_p, target_server.full_path(directory)])

	@logger.info "In directory #{Dir.getwd}..."
	Dir.chdir(local_server.root) do
		if run_handler(src, dst, arguments) == false
			raise BackupMethodError.new("Backup from #{src.dump} to #{dst.dump} failed.", :method => self)
		end
	end
end

#run_command(cmd) ⇒ Object 



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# File 'lib/lsync/methods/rsync.rb', line 82

def run_command(cmd)
	return LSync.run_command(cmd, @logger) == 0
end

#run_handler(src, dst, arguments) ⇒ Object 



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# File 'lib/lsync/methods/rsync.rb', line 68

def run_handler(src, dst, arguments)
	run_command([@command] + arguments + [src, dst])
end

#should_run?(master_server, current_server, target_server) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lsync/methods/rsync.rb', line 72

def should_run?(master_server, current_server, target_server)
	if @direction == :push
		return current_server == master_server
	elsif @direction == :pull
		return target_server.is_local?
	else
		return false
	end
end