Grabbing status of solr cores via restful api

solr_cores_status.rb

  def cores_status
    vars = {
      action: "STATUS", 
      wt: "json"}

    target_url = "#{self.solr_admin_url}/cores"
    resp = Typhoeus.get(target_url, params: vars)
    
    if resp.response_code == 200
      body = JSON.parse!(resp.response_body)
      # Array of two elements [name string, info hash]
      return body["status"]
    else
      logger.error("Core status query url: #{target_url}")
      logger.error("Core status query response error.  Response code #{resp.response_code}")
      return []
    end
  end