Class: Indexotron::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/indexotron/runner.rb

Constant Summary collapse

NDXO_DIR = 
File.expand_path(ENV['NDXO_DIR'] || "~/indexotron/")
ES_VERSION = 
"elasticsearch-0.9.0"

Class Method Summary collapse

Class Method Details

.configure ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 23

def configure
end

.download(url, location, force = false) ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 57

def download(url, location, force = false)
  sys "curl -L #{url} -o #{location}" if force || !File.exists?(location)
end

.help ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 65

def help
  puts <<-MSG
Indexotron is a gem to help index and search web site.
-------------------------------------------------------
ndxo <command>
Commands: 
  * install: installs to NDXO_DIR or ~/indexotron (elasticsearch.com)
  * start: starts an elastic search instance
  * stop: stops all elastic search instances
  * pid: prints pids for all instances
  * help: prints this help
MSG
end

.install ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 26

def install
  FileUtils.mkdir_p(NDXO_DIR)
  location = File.join NDXO_DIR, "#{ES_VERSION}.zip"
  download "http://github.com/downloads/elasticsearch/elasticsearch/#{ES_VERSION}.zip", location
  sys "cd #{NDXO_DIR} && unzip #{location}"

end

.pid ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 44

def pid
  @pid ||= `ps -ef | grep [e]lastic | awk '{print $2}'`.split("\n").join(" ")
end

.run(command) ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 7

def run(command)
  configure
  case(command)
  when /^install$/
    install
  when /^start$/
    start
  when /^stop$/
    stop
  when /^pid$/
    puts pid
  else
    help
  end
end

.start ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 34

def start
  location = File.join NDXO_DIR, ES_VERSION
  if File.exists? location
    sys "cd #{location} && bin/elasticsearch > output 2>&1"
    puts "Started elastic search (#{pid})"
  else
    puts "elastic search does not exist at #{location}.  Try 'ndxo install'"
  end
end

.stop ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 48

def stop
  if pid.empty?
    puts "No elastic search is started"
  else
    puts "Stopping elastic search (#{pid})"
    sys "kill -9 #{pid}"
  end
end

.sys(command) ⇒ Object 



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# File 'lib/indexotron/runner.rb', line 61

def sys(command)
  `#{command}`
end