Module: JvmwatcherUtil

Defined in:
lib/fluent/plugin/jvmwatcher_util.rb

Constant Summary collapse

SetEnvFileName = 
"setEnvWatcher.sh"
Log4JFileName = 
"log4j.xml"
SetEnvTemplateFileName = 
"setEnv.sh.template"
Log4JTemplateFileName = 
"log4j.xml.template"
BinDirName = 
"bin"
LibDirName = 
"lib"
ConfigDirName = 
"config"
LogDirName = 
"log"

Class Method Summary collapse

Class Method Details

.find_filter_config_path(config_path) ⇒ Object 



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# File 'lib/fluent/plugin/jvmwatcher_util.rb', line 109

def find_filter_config_path (config_path)

  # check nil
  return "NO_CONFIG" unless config_path

  unless File.file?(config_path)

    path = find_watcher_java_path(ConfigDirName)
    config_path = File.join(path, config_path)
    config_path = "NO_CONFIG" unless File.file?(config_path)

  end

  return config_path
end

.find_watcher_java_path(dir_name, file_name = nil) ⇒ Object 



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# File 'lib/fluent/plugin/jvmwatcher_util.rb', line 14

def find_watcher_java_path (dir_name, file_name = nil)

  java_path = nil

  # find java command path
  $LOAD_PATH.map do |load_path|
    path = File.join(load_path, "fluent/plugin")  # make fluentd plugin path
    if File.directory?(path)

      # find target java directory
      path_name = "#{path}/jvmwatcher/#{dir_name}"
      
      next unless File.directory?(path_name)  # chech directory

      if file_name
        # check file
        java_path = File.join(path_name, file_name)
        java_path = nil unless File.file?(java_path)
      else
        java_path = path_name
      end

      break if java_path
    end
  end

  return java_path
end

.make_log4j_file ⇒ Object 



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# File 'lib/fluent/plugin/jvmwatcher_util.rb', line 78

def make_log4j_file

  template_path = find_watcher_java_path(ConfigDirName, Log4JTemplateFileName)
  output_path = find_watcher_java_path(ConfigDirName)
  log_path = find_watcher_java_path(LogDirName)

  # path nil check
  return nil unless template_path
  return nil unless output_path
  return nil unless log_path

  output_path = File.join(output_path, Log4JFileName)
  # make setEnvWatcher.sh
  temp_io = File.open(template_path, "r")
  env_io = File.open(output_path, "w")

  temp_io.each do |line|
    line.chomp!
    line = line.gsub(/\[LOG_PATH\]/, log_path)

    env_io.puts(line)
  end

  temp_io.close
  env_io.close 

  return output_path

end

.make_setenv_file ⇒ Object 



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# File 'lib/fluent/plugin/jvmwatcher_util.rb', line 44

def make_setenv_file

  template_path = find_watcher_java_path(BinDirName, SetEnvTemplateFileName)
  output_path = find_watcher_java_path(BinDirName)
  lib_path = find_watcher_java_path(LibDirName)
  config_path = find_watcher_java_path(ConfigDirName)

  # path nil check
  return nil unless template_path
  return nil unless output_path
  return nil unless lib_path
  return nil unless config_path

  output_path = File.join(output_path, SetEnvFileName)
  # make setEnvWatcher.sh
  temp_io = File.open(template_path, "r")
  env_io = File.open(output_path, "w")

  temp_io.each do |line|
    line.chomp!
    line = line.gsub(/\[LIB_PATH\]/, lib_path)
    line = line.gsub(/\[CONFIG_PATH\]/, config_path)

    env_io.puts(line)
  end

  temp_io.close
  env_io.close 

  return output_path

end