Scout plugin for monitoring solr

Scout plugin for monitoring solr

# Scout plugin for monitoring solr
class SolrMonitoring < Scout::Plugin

  OPTIONS = <<-EOS
    solr_port:
      notes: Solr port
      default: 8080
    solr_host:
      notes: The host that solr is running on
      default: http://127.0.0.1
    search:
      notes: The search string that should return a result
      default: tel
  EOS

  needs 'net/http', 'rexml/document'

  def build_report
    if option(:solr_port).nil? or option(:solr_host).nil? or option(:search).nil? 
      return error("Parameters not provided", "Please provide the host, port, and search and search_expected")
    end
    
    base_url = "#{option(:solr_host)}:#{option(:solr_port)}/solr/select/?q=#{option(:search)}&qf=name_text+code_text+long_name_text&defType=dismax&rows=20"

    doc = REXML::Document.new((Net::HTTP.get(URI.parse(base_url))))
    if doc.elements['response'].elements['result'].attributes['numFound'].to_i == 0
      error("No SOLR results found for #{option(:search)}")
    end
  rescue 
    error("SOLR Exception in code",$!.to_s)
  end
  
end