Class: KPM::System

Inherits:
Object
  • Object
show all
Defined in:
lib/kpm/system.rb

Constant Summary collapse

MAX_VALUE_COLUMN_WIDTH = 
60
DEFAULT_BUNDLE_DIR = 
Dir['/var' + File::SEPARATOR + 'lib' + File::SEPARATOR + 'killbill' + File::SEPARATOR + 'bundles'][0] || Dir['/var' + File::SEPARATOR + 'tmp' + File::SEPARATOR + 'bundles'][0]
DEFAULT_KAUI_SEARCH_BASE_DIR = 
'**' + File::SEPARATOR + 'kaui'
DEFAULT_KILLBILL_SEARCH_BASE_DIR = 
'**' + File::SEPARATOR + 'ROOT'

Instance Method Summary collapse

Constructor Details

#initialize ⇒ System

Returns a new instance of System.



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# File 'lib/kpm/system.rb', line 12

def initialize
  @formatter = KPM::Formatter.new
end

Instance Method Details

#get_apache_tomcat_pid ⇒ Object 



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# File 'lib/kpm/system.rb', line 301

def get_apache_tomcat_pid
  apache_tomcat_pid = nil;
  `jcmd -l 2>&1`.split("\n").each do |line|

    if /org.apache.catalina/.match(line)
      words = line.split(' ')
      apache_tomcat_pid = words[0]
    end

  end

  return apache_tomcat_pid unless apache_tomcat_pid.nil?

  jcmd = ( ENV['JAVA_HOME'] || '/**' ) + File::Separator + 'bin' + File::Separator + 'jcmd'
  jcmd = Dir[jcmd][0]
  return nil if jcmd.nil?

  apache_tomcat_pid = `#{jcmd} | awk '/org.apache.catalina/' | cut -d ' ' -f 1`.gsub("\n",'')
  return nil if apache_tomcat_pid.nil? || apache_tomcat_pid.empty?

  apache_tomcat_pid
end

#get_command ⇒ Object 



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# File 'lib/kpm/system.rb', line 290

def get_command
  command = 'java -XshowSettings:properties -version 2>&1'
  apache_tomcat_pid = get_apache_tomcat_pid

  if not apache_tomcat_pid.nil?
    command = "jcmd #{apache_tomcat_pid} VM.system_properties"
  end

  command
end

#get_kaui_standalone_version(kaui_web_path = nil) ⇒ Object 



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# File 'lib/kpm/system.rb', line 222

def get_kaui_standalone_version(kaui_web_path = nil)
  kaui_search_default_dir = kaui_web_path.nil? ? DEFAULT_KAUI_SEARCH_BASE_DIR : Dir[kaui_web_path][0]
  return nil if kaui_search_default_dir.nil?
  kaui_search_default_dir.gsub!('.war','')
  version = nil

  yaml_file = kaui_search_default_dir + File::SEPARATOR + 'WEB-INF' + File::SEPARATOR + 'version.yml'
  unless Dir[yaml_file][0].nil?
    yml_data = YAML::load_file(Dir[yaml_file][0])

    version = yml_data['version']
  end

  version
end

#get_kaui_version(kaui_web_path = nil) ⇒ Object 



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# File 'lib/kpm/system.rb', line 238

def get_kaui_version(kaui_web_path = nil)
  kaui_search_default_dir = kaui_web_path.nil? ? DEFAULT_KAUI_SEARCH_BASE_DIR : Dir[kaui_web_path][0]
  return nil if kaui_search_default_dir.nil?
  kaui_search_default_dir.gsub!('.war','')
  version = nil

  gemfile = Dir[kaui_search_default_dir + File::SEPARATOR + 'WEB-INF' + File::SEPARATOR + 'Gemfile']

  unless gemfile[0].nil?
    absolute_gemfile_path = File.absolute_path(gemfile[0])

    version = open(absolute_gemfile_path) do |f|
      f.each_line.detect do |line|
         if /kaui/.match(line)
          version = /(\d+)\.(\d+)\.(\d+)/.match(line)

          break unless version.nil?
         end
      end
      version
    end

  end

  version
end

#get_kaui_web_path ⇒ Object 



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# File 'lib/kpm/system.rb', line 335

def get_kaui_web_path
  kaui_web_path = nil;

  if not @config.nil?
    config_kaui = @config['kaui']

    if not config_kaui.nil?
      kaui_web_path = Dir[config_kaui['webapp_path']][0]
    end
  end

  kaui_web_path
end

#get_killbill_version(killbill_web_path = nil) ⇒ Object 



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# File 'lib/kpm/system.rb', line 265

def get_killbill_version(killbill_web_path = nil)
  killbill_search_default_dir = killbill_web_path.nil? ? DEFAULT_KILLBILL_SEARCH_BASE_DIR : Dir[killbill_web_path][0]
  return nil if killbill_search_default_dir.nil?
  killbill_search_default_dir.gsub!('.war','')
  killbill_search_default_dir.gsub!('webapps','**')

  file =  Dir[killbill_search_default_dir + File::SEPARATOR + 'META-INF' +  File::SEPARATOR + '**' + File::SEPARATOR + 'pom.properties']
  version = nil
  unless file[0].nil?
    absolute_file_path = File.absolute_path(file[0])

    version = open(absolute_file_path) do |f|
      f.each_line.detect do |line|
        version = /(\d+)\.(\d+)\.(\d+)/.match(line)

        break unless version.nil?
      end
      version
    end

  end

  version
end

#get_killbill_web_path ⇒ Object 



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# File 'lib/kpm/system.rb', line 349

def get_killbill_web_path
  killbill_web_path = nil;

  if not @config.nil?
    config_killbill = @config['killbill']

    if not config_killbill.nil?
      killbill_web_path = Dir[config_killbill['webapp_path']][0]
    end
  end

  killbill_web_path
end

#get_plugin_path ⇒ Object 



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# File 'lib/kpm/system.rb', line 363

def get_plugin_path
  plugin_path = nil;

  if not @config.nil?
    config_killbill = @config['killbill']

    if not config_killbill.nil?
      plugin_path = Dir[config_killbill['plugins_dir']][0]
    end
  end

  plugin_path
end

#information(bundles_dir = nil, output_as_json = false, config_file = nil, kaui_web_path = nil, killbill_web_path = nil) ⇒ Object 



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# File 'lib/kpm/system.rb', line 16

def information(bundles_dir = nil, output_as_json = false, config_file = nil, kaui_web_path = nil, killbill_web_path = nil)
  set_config(config_file)
  killbill_information = show_killbill_information(kaui_web_path,killbill_web_path,output_as_json)

  java_version = `java -version 2>&1`.split("\n")[0].split('"')[1]

  environment_information = show_environment_information(java_version, output_as_json)
  os_information = show_os_information(output_as_json)
  cpu_information = show_cpu_information(output_as_json)
  memory_information = show_memory_information(output_as_json)
  disk_space_information = show_disk_space_information(output_as_json)
  entropy_available = show_entropy_available(output_as_json)

  if not java_version.nil?
    command = get_command
    java_system_information = show_java_system_information(command,output_as_json)
  end

  plugin_information = show_plugin_information(get_plugin_path || bundles_dir || DEFAULT_BUNDLE_DIR, output_as_json)

  json_data = Hash.new
  json_data[:killbill_information] = killbill_information
  json_data[:environment_information] = environment_information
  json_data[:os_information] = os_information
  json_data[:cpu_information] = cpu_information
  json_data[:memory_information] = memory_information
  json_data[:disk_space_information] = disk_space_information
  json_data[:entropy_available] = entropy_available
  json_data[:java_system_information] = java_system_information
  json_data[:plugin_information] = plugin_information

  json_data.to_json
end

#set_config(config_file = nil) ⇒ Object 



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# File 'lib/kpm/system.rb', line 324

def set_config(config_file = nil)
  @config = nil

  if not config_file.nil?
    if not Dir[config_file][0].nil?
      @config = YAML::load_file(config_file)
    end
  end

end

#show_cpu_information(output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 87

def show_cpu_information(output_as_json)
  cpu_info = KPM::SystemProxy::CpuInformation.fetch
  labels = KPM::SystemProxy::CpuInformation.get_labels

  unless output_as_json
    @formatter.format(cpu_info,labels)
  end

  cpu_info
end

#show_disk_space_information(output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 109

def show_disk_space_information(output_as_json)
  disk_space_info = KPM::SystemProxy::DiskSpaceInformation.fetch
  labels = KPM::SystemProxy::DiskSpaceInformation.get_labels

  unless output_as_json
    @formatter.format(disk_space_info,labels)
  end

  disk_space_info
end

#show_entropy_available(output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 120

def show_entropy_available(output_as_json)
  entropy_available = KPM::SystemProxy::EntropyAvailable.fetch
  labels = KPM::SystemProxy::EntropyAvailable.get_labels

  unless output_as_json
    @formatter.format(entropy_available,labels)
  end

  entropy_available
end

#show_environment_information(java_version, output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 72

def show_environment_information(java_version, output_as_json)

  environment = Hash[:ruby => {:environment=>'Ruby',:version => RUBY_VERSION},
                     :java => {:environment=>'Java',:version => java_version.nil? ? 'no version found' : java_version}]

  labels = [{:label => :environment},
            {:label => :version}]

  if not output_as_json
    @formatter.format(environment,labels)
  end

  environment
end

#show_java_system_information(command, output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 142

def show_java_system_information(command, output_as_json)
  java_system = Hash.new
  property_count = 0;
  last_key = ''

  `#{command}`.split("\n").each do |prop|

    if prop.to_s.strip.empty?
      break;
    end

    if property_count > 0
      props = prop.split('=')

      if (not props[1].nil? && props[1].to_s.strip.size > MAX_VALUE_COLUMN_WIDTH) && output_as_json == false

        chunks = ".{1,#{MAX_VALUE_COLUMN_WIDTH}}"
        props[1].to_s.scan(/#{chunks}/).each_with_index do |p, index|

          java_system[property_count] = {:java_property => index.equal?(0) ? props[0] : '', :value => p}
          property_count += 1

        end
      elsif output_as_json
        key = (props[1].nil? ? last_key : props[0]).to_s.strip
        value = props[1].nil? ? props[0] : props[1]

        if java_system.has_key?(key)
          java_system[key][:value] = java_system[key][:value].to_s.concat(' ').concat(value)
        else
          java_system[key] = {:java_property => key, :value => value}
        end

      else

        java_system[property_count] = {:java_property => props[1].nil? ? '' : props[0], :value => props[1].nil? ? props[0] : props[1]}

      end

      last_key = props[1].nil? ? last_key : props[0]
    end

    property_count += 1

  end
  labels = [{:label => :java_property},
              {:label => :value}]


  if not output_as_json
    @formatter.format(java_system,labels)
  end

  java_system

end

#show_killbill_information(kaui_web_path, killbill_web_path, output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 50

def show_killbill_information(kaui_web_path, killbill_web_path, output_as_json)

  kpm_version = KPM::VERSION
  kaui_version = get_kaui_version(get_kaui_web_path || kaui_web_path)
  killbill_version = get_killbill_version(get_killbill_web_path || killbill_web_path)
  kaui_standalone_version = get_kaui_standalone_version(get_kaui_web_path || kaui_web_path)

  environment = Hash[:kpm => {:system=>'KPM',:version => kpm_version},
                     :kaui => {:system=>'Kaui',:version => kaui_version.nil? ? 'not found' : kaui_version},
                     :kaui_standalone => {:system=>'Kaui standalone',:version => kaui_standalone_version.nil? ? 'not found' : kaui_standalone_version},
                     :killbill => {:system=>'Killbill',:version => killbill_version.nil? ? 'not found' : killbill_version}]

  labels = [{:label => :system},
            {:label => :version}]

  if not output_as_json
    @formatter.format(environment,labels)
  end

  environment
end

#show_memory_information(output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 98

def show_memory_information(output_as_json)
  memory_info = KPM::SystemProxy::MemoryInformation.fetch
  labels = KPM::SystemProxy::MemoryInformation.get_labels

  unless output_as_json
    @formatter.format(memory_info,labels)
  end

  memory_info
end

#show_os_information(output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 131

def show_os_information(output_as_json)
  os_information = KPM::SystemProxy::OsInformation.fetch
  labels = KPM::SystemProxy::OsInformation.get_labels

  unless output_as_json
    @formatter.format(os_information,labels)
  end

  os_information
end

#show_plugin_information(bundles_dir, output_as_json) ⇒ Object 



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# File 'lib/kpm/system.rb', line 199

def show_plugin_information(bundles_dir, output_as_json)

  if bundles_dir.nil?
    all_plugins = nil
  else
    inspector = KPM::Inspector.new
    all_plugins = inspector.inspect(bundles_dir)
  end

  unless output_as_json
    if all_plugins.nil? || all_plugins.size == 0
      puts "\e[91;1mNo KB plugin information available\e[0m\n\n"
    else
      @formatter.format(all_plugins)
    end
  end

  if output_as_json && (all_plugins.nil? || all_plugins.size == 0)
    all_plugins = 'No KB plugin information available'
  end
  all_plugins
end