file_check.rb

# A Scout plugin to perform simple count of files in a directory using regex.
#
# path - Provide the path to a directory you would like to check.
# file_regex - Provide the regex you want to use to look for file under the path.
# http://ruby-doc.org/core-2.0/Dir.html#method-c-glob
# 
# Created by Gerric Chaplin <[email protected]>

class SimpleFileCount < Scout::Plugin
  OPTIONS=<<-EOS
  path:
    name: path
    notes: The path to a directory (including trailing slash) you would like to check for files. 
    default: "/tmp/"
  file_regex:
    name: file_regex 
    notes: Provide the regex you want to use to look for file under the path.
    default: "*.tmp"
  EOS

  def build_report
    path = option(:path) || "/tmp/"
    file_regex = option(:file_regex) || "*.tmp"
    exists = File.exists?(path)    

    if exists
      count = Dir.glob("#{path}#{file_regex}").size
      report(:file_count => count)
    else
      alert(:subject => "Error running Simple File Count plugin. Directory does not exist.", :body => "#{path} does not exist")
    end
  rescue Exception => e
    error(:subject => 'Error running Simple File Count plugin', :body => e)
    return -1
  end
end