networkbench: Include ping6 and TTFB support

  Replace urlib by pycurl to get the 'Time To First Byte' responses.
  Include ping6 support
  Verbose how much package lost the connection had in case of package lost.

setup.py

@@ -50,6 +50,7 @@ setup(name=name,
         'zodbpack': ['ZODB3'], # needed to play with ZODB
         'agent': ['erp5.util'],
         'flask_auth' : ["Flask-Auth"],
+        'networkbench' : ['pycurl'], 
         'check_web_page_http_cache_hit' : ['pycurl'], # needed for check_web_page_http_cache_hit module
       },
       zip_safe=False, # proxy depends on Flask, which has issues with

slapos/networkbench.py

@@ -10,6 +10,8 @@ import sys
 import shutil
 import netifaces
 import random
+import pycurl
+from StringIO import StringIO
 
 botname = socket.gethostname()
 
@@ -40,39 +42,68 @@ def _test_dns(name):
   resolving_time = time.time() - begin
   return ('DNS', name, resolution, resolving_time, status)
 
-def _test_ping(host, timeout=10):
-  proc = subprocess.Popen(('ping', '-c', '4', '-w', str(timeout), host), 
+def _test_ping(host, timeout=10, protocol="4"):
+  if protocol == '4':
+    ping_bin = 'ping'
+    test_title = 'PING'
+  elif protocol == '6':
+    ping_bin = 'ping6'
+    test_title = 'PING6'
+  
+  proc = subprocess.Popen((ping_bin, '-c', '10', '-w', str(timeout), host), 
                             stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 
   out, err = proc.communicate()
   packet_loss_line, summary_line = (out.splitlines() or [''])[-2:]
   m = ping_re.match(summary_line)
-  info_list = ('PING', host, '600', 'failed', "Cannot ping host")
-  if ' 0% packet loss' in packet_loss_line:
+  match = re.search('(\d*)% packet loss', packet_loss_line)
+  packet_lost_ratio = match.group(1)
+  
+  info_list = (test_title, host, '600', 'failed', packet_lost_ratio, "Cannot ping host")
+  if packet_lost_ratio != 0:
     if m:
-      info_list = ('PING', host, '200', m.group('avg'),
+      info_list = (test_title, host, '200', m.group('avg'), packet_lost_ratio,
            'min %(min)s max %(max)s avg %(avg)s' % m.groupdict())
+  else:
+    info_list = (test_title, host, '600', 'failed', packet_lost_ratio,
+      "You have package Lost")
 
   return info_list
 
-def _test_url_request(url, request):
+def _test_ping6(host, timeout=10):
+  return _test_ping(host, timeout=10, protocol='6')
+
+def _test_url_request(url):
   begin = time.time()
+  
+  buffer = StringIO()
+  curl = pycurl.Curl()
+  curl.setopt(curl.URL, url)
+  curl.setopt(curl.CONNECTTIMEOUT, 10)
+  curl.setopt(curl.TIMEOUT, 300)
+  curl.setopt(curl.WRITEDATA, buffer)
+  
   try:
-    response = urllib2.urlopen(request)
-    if url != response.url:
-      raise RuntimeError, 'Redirected to %s' % response.url
-    response.read()
-    rendering_time = time.time() - begin
-    info_list = ('GET', url, response.code, rendering_time, "OK")
-  except urllib2.HTTPError, e: # 40x errors
-    e.fp.read()
-    rendering_time = time.time() - begin
-    info_list = ('GET', url, e.code, rendering_time, "HTTPError")
-  except urllib2.URLError, e: # DNS failure
-    rendering_time = time.time() - begin
-    info_list = ('GET', url, '600', rendering_time, "DNS Failure")
-  except RuntimeError, e:
-    info_list = ('GET', url, '600', 'failed')
+    curl.perform()
+  except:
+    import traceback
+    traceback.print_exc(file=sys.stderr)
+    sys.stderr.flush()
+  
+  body = buffer.getvalue()
+  
+  rendering_time = "%s/%s/%s/%s/%s" % \
+    (curl.getinfo(curl.NAMELOOKUP_TIME),
+     curl.getinfo(curl.CONNECT_TIME),
+     curl.getinfo(curl.PRETRANSFER_TIME),
+     curl.getinfo(curl.STARTTRANSFER_TIME),
+     curl.getinfo(curl.TOTAL_TIME))
+  
+  response_code = curl.getinfo(pycurl.HTTP_CODE)
+  
+  curl.close()
+
+  info_list = ('GET', url, response_code, rendering_time, "OK")
   
   return info_list
 
@@ -146,6 +177,7 @@ def main():
   name_list = config.get("network_bench", "dns")
   url_list = config.get("network_bench", "url")
   ping_list = config.get("network_bench", "ping")
+  ping6_list = config.get("network_bench", "ping6")
 
   logger = create_logger("info", log_folder)
 
@@ -162,8 +194,12 @@ def main():
     info_list = _test_ping(host)
     logger.info(';'.join(str(x) for x in info_list))
     
+  for host in ping6_list.split():
+    info_list = _test_ping6(host)
+    logger.info(';'.join(str(x) for x in info_list))
+
   # http
   for url in url_list.split():
-    info_list = _test_url_request(url, urllib2.Request(url))
+    info_list = _test_url_request(url)
     logger.info(';'.join(str(x) for x in info_list))