Class: TyrantManager::Commands::ReplicationStatus

Inherits:
TyrantManager::Command show all
Defined in:
lib/tyrant_manager/commands/replication_status.rb

Overview

Report on the replication status of the server(s)

Instance Attribute Summary

Attributes inherited from TyrantManager::Command

#manager, #options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from TyrantManager::Command

#after, #before, #command_name, #error, find, inherited, #initialize, list, #logger

Constructor Details

This class inherits a constructor from TyrantManager::Command

Class Method Details

.command_name ⇒ Object 



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# File 'lib/tyrant_manager/commands/replication_status.rb', line 15

def self.command_name
  'replication-status'
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/tyrant_manager/commands/replication_status.rb', line 19

def run
  manager.each_instance( options['instances'] ) do |instance|
    if instance.running? and instance.is_slave? then
      s_stat = instance.stat
      logger.info "#{instance.name} is replicating from #{s_stat['mhost']}:#{s_stat['mport']}"
        if m_conn = validate_master_connection( instance ) then
          if validate_master_master( instance.connection, m_conn ) then
            m_stat = m_conn.stat
            m_name = "#{s_stat['mhost']}:#{s_stat['mport']}"

            primary, failover = instance.connection, m_conn

            if m_stat['delay'] > s_stat['delay'] then
              primary, failover = m_conn, instance.connection
            end

            p_stat = primary.stat
            p_name = "#{manager.ip_of( primary.host )}:#{primary.port}"

            f_stat = failover.stat
            f_name = "#{manager.ip_of( failover.host )}:#{failover.port}"

            n_width = [ p_name.length, f_name.length ].max

            logger.info "  Primary master  : #{p_name} -> #{p_stat['rnum']} records, primary since #{(Time.now - ( Float(primary.stat['delay']))).strftime("%Y-%m-%d %H:%M:%S")}"
            logger.info "  Failover master : #{f_name} -> #{f_stat['rnum']} records, last replicated #{failover.stat['delay']} seconds ago"
          end
        end
      logger.info ""
    end
  end
end