Module: VirtualMonkey::UnifiedApplication

Included in:
ApplicationFrontend, ELBRunner, LampRunner
Defined in:
lib/virtualmonkey/unified_application.rb

Instance Method Summary collapse

Instance Method Details

#run_unified_application_check(dns_name, port = 8000) ⇒ Object

this is where ALL the generic application server checks live, this could get rather long but for now it’s a single method with a sequence of checks



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# File 'lib/virtualmonkey/unified_application.rb', line 31

def run_unified_application_check(dns_name, port=8000)
  url_base = "#{dns_name}:#{port}"
  behavior(:test_http_response, "html serving succeeded", "#{url_base}/index.html", port) 
  behavior(:test_http_response, "configuration=succeeded", "#{url_base}/appserver/", port) 
  behavior(:test_http_response, "I am in the db", "#{url_base}/dbread/", port) 
  behavior(:test_http_response, "hostname=", "#{url_base}/serverid/", port) 
end

#run_unified_application_checks(run_on = @servers, port = 8000) ⇒ Object 



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# File 'lib/virtualmonkey/unified_application.rb', line 24

def run_unified_application_checks(run_on=@servers, port=8000)
  run_on.each do |server| 
    behavior(:run_unified_application_check, server.dns_name, port)
  end
end

#test_http_response(expected_string, url, port) ⇒ Object

returns true if the http response contains the expected_string

  • url<~String> url to perform http request

  • expected_string<~String> regex compatible string used to match against the response output



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# File 'lib/virtualmonkey/unified_application.rb', line 6

def test_http_response(expected_string, url, port)
  cmd = "curl -s #{url} 2> /dev/null "
  puts cmd
  timeout=300
  begin
    status = Timeout::timeout(timeout) do
      while true
        response = `#{cmd}` 
        break if response.include?(expected_string)
        puts "Retrying..."
        sleep 5
      end
    end
  rescue Timeout::Error => e
    raise "ERROR: Query failed after #{timeout/60} minutes."
  end
end