Class: Flydata::Command::Sender

Inherits:
Base
  • Object
show all
Defined in:
lib/flydata/command/sender.rb

Instance Attribute Summary

Attributes inherited from Base

#opts

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#ask_input_table_name, #ask_yes_no, #choose_one, #flydata, #initialize, #newline, #register_crontab, #retrieve_data_entries, #separator

Methods included from Flydata::CommandLoggable

#before_logging, #log_error_stderr, #log_info_stdout, #log_warn_stderr

Constructor Details

This class inherits a constructor from Flydata::Command::Base

Class Method Details

.slop_start ⇒ Object 



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# File 'lib/flydata/command/sender.rb', line 6

def self.slop_start
  Slop.new do
    on 'n', 'no-daemon', 'Start FlyData agent as a regular program'
  end
end

Instance Method Details

#flush_client_buffer(options = {}) ⇒ Object 



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# File 'lib/flydata/command/sender.rb', line 65

def flush_client_buffer(options = {})
  unless process_exist?
    return true if client_buffer_empty?
    log_info_stdout("Process doesn't exist. But, the client buffer is not empty!!") unless options[:quiet]
    start(options)
  end

  log_info_stdout('Stopping input plugins and flushing the client buffer.') unless options[:quiet]
  Kernel.system("kill -USR1 `cat #{pid_file}`")

  retry_count = 12
  1.upto(retry_count) do |i|
    return true if client_buffer_empty?
    log_info_stdout("Waiting for the buffer to get empty... (#{i}/#{retry_count})") unless options[:quiet]
    Kernel.sleep 5
  end

  raise 'Something is wrong! Unable to flush client buffer'
end

#kill_all(optiosn = {}) ⇒ Object 



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# File 'lib/flydata/command/sender.rb', line 109

def kill_all(optiosn = {})
  if Kernel.system("ps ax | grep 'flydata' | grep -v grep | awk '{print \"kill  \" $1}' | sh")
    log_info_stdout("Done.") unless options[:quiet]
    return true
  else
    raise 'Something has gone wrong...'
  end
end

#process_exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flydata/command/sender.rb', line 105

def process_exist?
  # Returns true if the process is running
  `[ -f #{pid_file} ] && pgrep -P \`cat #{pid_file}\``.to_i > 0
end

#restart(options = {}) ⇒ Object 



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# File 'lib/flydata/command/sender.rb', line 84

def restart(options = {})
  if process_exist?
    log_info_stdout('Restarting sender process.') unless options[:quiet]
    if Kernel.system("kill -HUP `cat #{pid_file}`")
      log_info_stdout('Done.') unless options[:quiet]
      return true
    else
      raise 'Something has gone wrong..'
    end
  else
    log_info_stdout("Process doesn't exist.") unless options[:quiet]
    start(options)
  end
end

#start(options_or_show_final_message = {show_final_message: true}) ⇒ Object

For backward compatibility. Use only as options going forward



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# File 'lib/flydata/command/sender.rb', line 11

def start(options_or_show_final_message = {show_final_message: true}) # For backward compatibility. Use only as options going forward
  if options_or_show_final_message.kind_of? Hash
    options = options_or_show_final_message
  else
    options = {show_final_message: options_or_show_final_message}
  end
  # Check if process exist
  if process_exist?
    log_info_stdout("Process is still running. Please stop process first.") unless options[:quiet]
    return
  end

  # Ends orphan_proceses if there is any
  orphan_processes.each do |pid|
    Process.kill(:TERM, pid)
  end

  wait_until_server_ready(options)

  dp = flydata.data_port.get
  AgentCompatibilityCheck.new(dp).check

  # Start sender(fluentd) process
  log_info_stdout("Starting sender process.") unless options[:quiet]
  Dir.chdir(FLYDATA_HOME){
    Kernel.system("bash #{FLYDATA_SERVERINFO}", :out => [FLYDATA_LOG,'a'], :err => [FLYDATA_LOG,'a'])
    daemon_opt = opts.no_daemon? ? "" : daemon_option
    Kernel.system("ruby `which fluentd` #{daemon_opt} -l #{FLYDATA_LOG} -c #{FLYDATA_CONF} -p #{FLYDATA_FLUENT_PLUGIN_DIR}")
  }
  Kernel.sleep 5

  wait_until_client_ready(options)
  #wait_until_logs_uploaded
  if options[:show_final_message] && !options[:quiet]
    data_port = flydata.data_port.get
    log_info_stdout("Go to your Dashboard! #{flydata.flydata_api_host}/data_ports/#{data_port['id']}")
    log_info_stdout <<EOF
Please Note: Records and Total Size are updated every 10-20 minutes.
EOF
  end
end

#status ⇒ Object 



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# File 'lib/flydata/command/sender.rb', line 98

def status
  if process_exist?
    log_info_stdout("Process is running.")
  else
    log_info_stdout("Process is not running.")
  end
end

#stop(options = {}) ⇒ Object 



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# File 'lib/flydata/command/sender.rb', line 52

def stop(options = {})
  unless process_exist?
    log_info_stdout("Process doesn't exist.") unless options[:quiet]
    return true
  end

  log_info_stdout('Stopping sender process.') unless options[:quiet]
  if Kernel.system("kill `cat #{pid_file}`") and wait_until_client_stop(options)
    log_info_stdout('Done.') unless options[:quiet]
    return true
  end
  raise 'Something has gone wrong..'
end