Class: MysqlManager::CommandLine
- Inherits:
-
Object
- Object
- MysqlManager::CommandLine
- Defined in:
- lib/mysql_manager/command_line.rb
Instance Attribute Summary collapse
-
#utilities ⇒ Object
Returns the value of attribute utilities.
Instance Method Summary collapse
- #execute ⇒ Object
-
#initialize ⇒ CommandLine
constructor
A new instance of CommandLine.
- #to_pattern(str) ⇒ Object
Constructor Details
#initialize ⇒ CommandLine
Returns a new instance of CommandLine.
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# File 'lib/mysql_manager/command_line.rb', line 36 def initialize @options = {} @options[:db] = {} @options[:log] = {} @options[:kill] = {} @options[:reload_my_cnf] = {} @options[:skip_replication_errors] = {} begin @optparse = OptionParser.new do |opts| opts. = "Usage: #{$0} options" # # Killing options # @options[:kill][:execute] = false opts.on( '--kill', 'Kill queries based on specified criteria') do @options[:kill][:execute] = true end @options[:kill][:max_query_time] = -1 opts.on( '--kill:max-query-time TIME', 'Kill queries that have been running for more than TIME') do |time| @options[:kill][:max_query_time] = time.to_i end @options[:kill][:user] = [] opts.on( '--kill:user USER', 'Kill queries matching USER (repeatable)') do |user| @options[:kill][:user] << to_pattern(user) end @options[:kill][:host] = [] opts.on( '--kill:host HOST', 'Kill queries matching HOST (repeatable)') do |host| @options[:kill][:host] << to_pattern(host) end @options[:kill][:query] = [] opts.on( '--kill:query SQL', 'Kill queries matching SQL (repeatable)') do |sql| @options[:kill][:query] << to_pattern(sql) end @options[:kill][:command] = [] opts.on( '--kill:command COMMAND', 'Kill queries matching COMMAND (repeatable)') do |command| @options[:kill][:command] << to_pattern(command) end @options[:kill][:state] = [] opts.on( '--kill:state STATE', 'Kill queries matching STATE (repeatable)') do |state| @options[:kill][:state] << to_patterns(state) end @options[:kill][:db] = [] opts.on( '--kill:db DB', 'Kill queries matching DB (repeatable)') do |db| @options[:kill][:db] << to_pattern(db) end # # Skip Replication Error options # @options[:skip_replication_errors][:execute] = false opts.on( '--skip-replication-errors', 'Skip replication errors based on specified criteria') do @options[:skip_replication_errors][:execute] = true end @options[:skip_replication_errors][:max_errors] = -1 opts.on( '--skip-replication-errors:max-errors NUMBER', "Abort after encountering NUMBER of errors (default: #{@options[:skip_replication_errors][:max_errors]})") do |number| @options[:skip_replication_errors][:max_errors] = number.to_i end @options[:skip_replication_errors][:max_error_duration] = -1 opts.on( '--skip-replication-errors:max-error-duration SECONDS', "Abort after attempting to recover after SECONDS elapsed (default: #{@options[:skip_replication_errors][:max_error_durration]})") do |seconds| @options[:skip_replication_errors][:max_error_duration] = seconds.to_i end @options[:skip_replication_errors][:min_healthy_duration] = -1 opts.on( '--skip-replication-errors:min-healthy-duration SECONDS', "Abort after replication healthy for SECONDS elapsed (default: #{@options[:skip_replication_errors][:min_healthy_duration]})") do |seconds| @options[:skip_replication_errors][:min_healthy_duration] = seconds.to_i end @options[:skip_replication_errors][:log_frequency] = 10 opts.on( '--skip-replication-errors:max-errors SECONDS', "Output replication status events every SECONDS elapsed (default: #{@options[:skip_replication_errors][:log_frequency]})") do |seconds| @options[:skip_replication_errors][:log_frequency] = seconds.to_i end # # Reload my.cnf options # @options[:reload_my_cnf][:execute] = false opts.on( '--reload-my-cnf', 'Reload my.cnf based on specified criteria') do @options[:reload_my_cnf][:execute] = true end @options[:reload_my_cnf][:config] = '/etc/my.cnf' opts.on( '--reload-my-cnf:config FILE', "Issue set 'SET GLOBAL' for each variable in FILE (default: #{@options[:reload_my_cnf][:config]})") do |file| @options[:reload_my_cnf][:config] = file end @options[:reload_my_cnf][:groups] = ['mysqld', 'mysqld_safe', 'mysql.server', 'mysql_server', 'server', 'mysql'] opts.on( '--reload-my-cnf:groups GROUP', "Issue set 'SET GLOBAL' for each variable in FILE (default: #{@options[:reload_my_cnf][:groups].join(', ')})") do |group| @options[:reload_my_cnf][:groups] << group end # # Database connection options # @options[:db][:dsn] = 'DBI:Mysql:mysql:localhost' opts.on( '--db:dsn DSN', "DSN to connect to MySQL database (default: #{@options[:db][:dsn]})" ) do|dsn| @options[:db][:dsn] = dsn end @options[:db][:username] = 'root' opts.on( '--db:username USERNAME', "Username corresponding to DSN (default: #{@options[:db][:username]})" ) do|username| @options[:db][:username] = username end @options[:db][:password] = "" opts.on( '--db:password PASSWORD', "Password corresponding to DSN (default: #{@options[:db][:password]})" ) do|password| @options[:db][:password] = password end # # Logging options # @options[:log][:level] = Logger::INFO opts.on( '--log:level LEVEL', 'Logging level' ) do|level| @options[:log][:level] = Logger.const_get level.upcase end @options[:log][:file] = STDERR opts.on( '--log:file FILE', 'Write logs to FILE (default: STDERR)' ) do|file| @options[:log][:file] = File.open(file, File::WRONLY | File::APPEND | File::CREAT) end @options[:log][:age] = 7 opts.on( '--log:age DAYS', "Rotate logs after DAYS pass (default: #{@options[:log][:age]})" ) do|days| @options[:log][:age] = days.to_i end @options[:log][:size] = 1024*1024*10 opts.on( '--log:size SIZE', 'Rotate logs after the grow past SIZE bytes' ) do |size| @options[:log][:size] = size.to_i end # # General options # @options[:dry_run] = false opts.on( '--dry-run', 'Do not run statements which affect the state of the database when executed' ) do @options[:dry_run] = true end opts.on( '-V', '--version', 'Display version information' ) do puts "MySQL Manager #{MysqlManager::VERSION}" puts "Copyright (C) 2012 Erik Osterman <[email protected]>" puts "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>" puts "This is free software: you are free to change and redistribute it." puts "There is NO WARRANTY, to the extent permitted by law." exit end opts.on( '-h', '--help', 'Display this screen' ) do puts opts exit end end @optparse.parse! raise MissingArgumentException.new("No action specified") if @options.select { |k,v| v.instance_of?(Hash) && v.has_key?(:execute) && v[:execute] == true }.size == 0 @log = Logger.new(@options[:log][:file], @options[:log][:age], @options[:log][:size]) @log.level = @options[:log][:level] @utilities = Utilities.new(@options[:db]) @utilities.log = @log @utilities.dry_run = @options[:dry_run] rescue DBI::DatabaseError => e @log.fatal(e.) exit(1) rescue MissingArgumentException => e puts e. puts @optparse exit (1) end end |
Instance Attribute Details
#utilities ⇒ Object
Returns the value of attribute utilities.
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# File 'lib/mysql_manager/command_line.rb', line 26 def utilities @utilities end |
Instance Method Details
#execute ⇒ Object
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# File 'lib/mysql_manager/command_line.rb', line 223 def execute @options.each do |type,| next if .instance_of?(Hash) && .has_key?(:execute) && [:execute] == false begin case type when :kill @log.debug("about to call kill_queries") @utilities.kill_queries() when :skip_replication_errors @log.debug("about to call skip_replication_errors") @utilities.skip_replication_errors() when :reload_my_cnf @log.debug("about to call reload_my_cnf") @utilities.reload_my_cnf() end rescue DBI::DatabaseError => e @log.fatal(e.) exit(1) rescue FileNotFoundException => e @log.fatal(e.) exit(1) rescue Interrupt @log.info("Exiting") exit rescue Exception => e @log.fatal(e. + e.backtrace.join("\n")) exit(1) end end end |
#to_pattern(str) ⇒ Object
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# File 'lib/mysql_manager/command_line.rb', line 28 def to_pattern(str) if str =~ /^\/(.*?)\/$/ Regexp.new($1.to_s) else Regexp.new("^#{Regexp.escape(str)}$") end end |