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