testnode: some code clean up

A lot was found with pylint.

erp5/tests/testERP5TestNode.py

@@ -237,7 +237,7 @@ class ERP5TestNode(TestCase):
                       node_test_suite.custom_profile_path)
     profile = open(node_test_suite.custom_profile_path, 'r')
     if my_test_type=='UnitTest':
-      expected_profile = """
+      expected_profile = """\
 [buildout]
 extends = %(temp_dir)s/testnode/foo/rep0/software.cfg
 
@@ -258,7 +258,7 @@ shared = true
     else:
       revision1 = "azerty"
       revision2 = "qwerty"
-      expected_profile = """
+      expected_profile = """\
 [buildout]
 extends = %(temp_dir)s/testnode/foo/rep0/software.cfg
 
@@ -802,17 +802,17 @@ shared = true
       test_node.node_test_suite_dict
       rand_part_set = set()
       self.assertEquals(2, len(test_node.node_test_suite_dict))
-      assert(test_node.suite_log is not None)
-      assert(isinstance(test_node.suite_log, types.MethodType))
+      self.assertIsNot(test_node.suite_log, None)
+      self.assertTrue(isinstance(test_node.suite_log, types.MethodType))
       for ref, suite in test_node.node_test_suite_dict.items():
         self.assertTrue('var/log/testnode/%s' % suite.reference in \
                          suite.suite_log_path,
                          "Incorrect suite log path : %r" % suite.suite_log_path)
-        assert(suite.suite_log_path.endswith('suite.log'))
+        self.assertTrue(suite.suite_log_path.endswith('suite.log'))
         m = re.match('.*\-(.*)\/suite.log', suite.suite_log_path)
         rand_part = m.groups()[0]
-        assert(len(rand_part) == 32)
-        assert(rand_part not in rand_part_set)
+        self.assertEqual(len(rand_part), 32)
+        self.assertNotIn(rand_part, rand_part_set)
         rand_part_set.add(rand_part)
         suite_log = open(suite.suite_log_path, 'r')
         self.assertEquals(1, len([x for x in suite_log.readlines() \

erp5/util/testnode/NodeTestSuite.py

@@ -24,23 +24,13 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #
 ##############################################################################
-from datetime import datetime,timedelta
+import errno
 import os
-import subprocess
-import sys
-import time
 import glob
-import SlapOSControler
-import json
-import time
 import shutil
-import logging
 import string
 import random
-from ProcessManager import SubprocessError, ProcessManager, CancellationError
-from subprocess import CalledProcessError
-from Updater import Updater
-from erp5.util import taskdistribution
+from .Utils import createFolder
 
 class SlapOSInstance(object):
   """
@@ -57,7 +47,7 @@ class SlapOSInstance(object):
 
   def _checkData(self):
     pass
-    
+
 class NodeTestSuite(SlapOSInstance):
   """
   
@@ -67,22 +57,19 @@ class NodeTestSuite(SlapOSInstance):
     self.reference = reference
     self.cluster_configuration = {}
 
-  def edit(self, **kw):
-    super(NodeTestSuite, self).edit(**kw)
-
   def _checkData(self):
     if getattr(self, "working_directory", None) is not None:
       if not(self.working_directory.endswith(os.path.sep + self.reference)):
         self.working_directory = os.path.join(self.working_directory,
                                              self.reference)
-      SlapOSControler.createFolder(self.working_directory)
+      createFolder(self.working_directory)
       self.test_suite_directory = os.path.join(
                                    self.working_directory, "test_suite")
       self.custom_profile_path = os.path.join(self.working_directory,
                                  'software.cfg')
     if getattr(self, "vcs_repository_list", None) is not None:
       for vcs_repository in self.vcs_repository_list:
-        buildout_section_id = vcs_repository.get('buildout_section_id', None)
+        buildout_section_id = vcs_repository.get('buildout_section_id')
         repository_id = buildout_section_id or \
                         vcs_repository.get('url').split('/')[-1].split('.')[0]
         repository_path = os.path.join(self.working_directory,repository_id)
@@ -92,20 +79,22 @@ class NodeTestSuite(SlapOSInstance):
   def createSuiteLog(self):
     # /srv/slapgrid/slappartXX/srv/var/log/testnode/az-mlksjfmlk234Sljssdflkj23KSdfslj/suite.log
     alphabets = string.digits + string.letters
-    rand_part = ''.join(random.choice(alphabets) for i in xrange(32))
-    random_suite_folder_id = '%s-%s' % (self.reference, rand_part)
-    suite_log_directory = os.path.join(self.log_directory,
-                                       random_suite_folder_id)
-    SlapOSControler.createFolders(suite_log_directory)
+    while 1:
+      log_folder_name = '%s-%s' % (self.reference,
+        ''.join(random.choice(alphabets) for i in xrange(32)))
+      log_folder_path = os.path.join(self.log_directory, log_folder_name)
+      try:
+        os.makedirs(log_folder_path)
+      except OSError, e:
+        if e.errno != errno.EEXIST:
+          raise
+      else:
+        break
     # XXX copy the whole content of the log viewer app
     for fname in glob.glob(os.path.join(os.path.dirname(__file__), 'js-logtail', '*')):
-      shutil.copy(fname, suite_log_directory)
-    self.suite_log_path = os.path.join(suite_log_directory,
-                                       'suite.log')
-    return self.getSuiteLogPath(), random_suite_folder_id
-
-  def getSuiteLogPath(self):
-    return getattr(self,"suite_log_path", None)
+      shutil.copy(fname, log_folder_path)
+    self.suite_log_path = os.path.join(log_folder_path, 'suite.log')
+    return self.suite_log_path, log_folder_name
 
   @property
   def revision(self):

erp5/util/testnode/ProcessManager.py

@@ -131,14 +131,14 @@ class ProcessManager(object):
 
   stdin = file(os.devnull)
 
-  def __init__(self, log, *args, **kw):
+  def __init__(self, log, max_timeout=MAX_TIMEOUT):
     self.log = log
     self.process_pid_set = set()
     signal.signal(signal.SIGTERM, self.sigterm_handler)
     self.under_cancellation = False
     self.p = None
     self.result = None
-    self.max_timeout = kw.get("max_timeout") or MAX_TIMEOUT
+    self.max_timeout = max_timeout
     self.timer_set = set()
 
   def spawn(self, *args, **kw):
@@ -187,7 +187,7 @@ class ProcessManager(object):
     return result
 
   def getSupportedParameterList(self, program_path):
-    return re.findall('^  (--\w+)',
+    return re.findall(r'^  (--\w+)',
       self.spawn(program_path, '--help')['stdout'], re.M)
 
   def killall(self, name):
@@ -211,13 +211,15 @@ class ProcessManager(object):
             continue
       except (psutil.AccessDenied, psutil.NoSuchProcess):
         continue
-      self.log('ProcesssManager, killall on %s having pid %s' % (name, process.pid))
+      self.log('ProcesssManager, killall on %s having pid %s',
+               name, process.pid)
       to_kill_list.append(process.pid)
     for pid in to_kill_list:
       killCommand(pid, self.log)
 
   def killPreviousRun(self, cancellation=False):
-    self.log('ProcessManager killPreviousRun, going to kill %r' % (self.process_pid_set,))
+    self.log('ProcessManager killPreviousRun, going to kill %r',
+             self.process_pid_set)
     if cancellation:
       self.under_cancellation = True
     for timer in self.timer_set:
@@ -226,12 +228,13 @@ class ProcessManager(object):
       killCommand(pgpid, self.log)
     try:
       if os.path.exists(self.supervisord_pid_file):
-        supervisor_pid = int(open(self.supervisord_pid_file).read().strip())
-        self.log('ProcessManager killPreviousRun, going to kill supervisor with pid %r' % supervisor_pid)
+        with open(self.supervisord_pid_file) as f:
+          supervisor_pid = int(f.read().strip())
+        self.log('ProcessManager killPreviousRun, going to kill supervisor with pid %r',
+                 supervisor_pid)
         os.kill(supervisor_pid, signal.SIGTERM)
-    except:
+    except Exception:
       self.log('ProcessManager killPreviousRun, exception when killing supervisor')
-      pass
     self.process_pid_set.clear()
 
   def sigterm_handler(self, signal, frame):

erp5/util/testnode/SlapOSControler.py

@@ -30,40 +30,14 @@ import slapos.slap
 import subprocess
 import time
 import xml_marshaller
-import shutil
 import sys
-import glob
 import argparse
-import json
 from slapos import client
+from .Utils import createFolder
 
-MAX_PARTIONS = 10
+MAX_PARTITIONS = 10
 MAX_SR_RETRIES = 3
 
-def createFolder(folder, clean=False):
-  if clean and os.path.exists(folder):
-    shutil.rmtree(folder)
-  if not(os.path.exists(folder)):
-    os.mkdir(folder)
-
-def createFolders(folder):
-  if not(os.path.exists(folder)):
-    os.makedirs(folder)
-
-def isDir(folder):
-  return os.path.isdir(folder)
-
-def createFile(path, mode, content):
-  f = open(path, mode)
-  if os.path.exists(path):
-    f.write(content)
-    f.close()
-  else:
-    # error
-    pass
-
-
-
 class SlapOSControler(object):
 
   def __init__(self, working_directory, config, log):
@@ -91,9 +65,12 @@ class SlapOSControler(object):
                                   slapos_url,
                                   slapos_account_certificate_path,
                                   slapos_account_key_path)
-    createFile(slapos_account_key_path, "w", key)
-    createFile(slapos_account_certificate_path, "w", certificate)
-    createFile(configuration_file_path, "w", configuration_file_value)
+    with open(slapos_account_key_path, "w") as f:
+      f.write(key)
+    with open(slapos_account_certificate_path, "w") as f:
+      f.write(certificate)
+    with open(configuration_file_path, "w") as f:
+      f.write(configuration_file_value)
     self.configuration_file_path = configuration_file_path
     return slapos_account_key_path, slapos_account_certificate_path, configuration_file_path
 
@@ -115,26 +92,17 @@ class SlapOSControler(object):
       try:
         local = client.init(config)
         local['supply'](software_url, computer_guid=computer_id, state=state)
-        self.log('SlapOSControler : supply %s %s %s' %(software_url, computer_id, state))
-      except:
-        self.log("SlapOSControler.supply, \
-                 exception in registerOpenOrder", exc_info=sys.exc_info())
+        self.log('SlapOSControler : supply %s %s %s', software_url, computer_id, state)
+      except Exception:
+        self.log("SlapOSControler.supply", exc_info=sys.exc_info())
         raise ValueError("Unable to supply (or remove)")
     else:
       raise ValueError("Configuration file not found.")
 
-  def destroy(self, software_url, computer_id):
-    """
-    Request Deletetion of a software release on a specific node
-    Ex :
-    my_controler.destroy('kvm.cfg', 'COMP-726')
-    """
-    self.supply(self, software_url, computer_id, state="destroyed")
-    
   def getInstanceRequestedState(self, reference):
     try:
       return self.instance_config[reference]['requested_state']
-    except:
+    except Exception:
       raise ValueError("Instance '%s' not exist" %self.instance_config[reference])
       
   def request(self, reference, software_url, software_type=None,
@@ -182,11 +150,11 @@ class SlapOSControler(object):
         self.instance_config[reference]['partition'] = partition
         if state == 'destroyed':
           del self.instance_config[reference]
-        if state == 'started':
-          self.log('Instance started with configuration: %s' %str(software_configuration))
-      except:
-        self.log("SlapOSControler.request, \
-              exception in registerOpenOrder", exc_info=sys.exc_info())
+        elif state == 'started':
+          self.log('Instance started with configuration: %s',
+                   software_configuration)
+      except Exception:
+        self.log("SlapOSControler.request", exc_info=sys.exc_info())
         raise ValueError("Unable to do this request")
     else:
       raise ValueError("Configuration file not found.")
@@ -204,31 +172,30 @@ class SlapOSControler(object):
     self.log('SlapOSControler : delete instance')
     try:
       self._requestSpecificState(reference, 'destroyed')
-    except:
-      raise ValueError("Can't delete instance '%s' (instance may not been created?)" %reference)
+    except Exception:
+      raise ValueError("Can't delete instance %r (instance not created?)" % reference)
     
   def stopInstance(self, reference):
     self.log('SlapOSControler : stop instance')
     try:
       self._requestSpecificState(reference, 'stopped')
-    except:
-      raise ValueError("Can't stop instance '%s' (instance may not been created?)" %reference)
+    except Exception:
+      raise ValueError("Can't stop instance %r (instance not created?)" % reference)
   
   def startInstance(self, reference):
     self.log('SlapOSControler : start instance')
     try:
       self._requestSpecificState(reference, 'started')
-    except:
-      raise ValueError("Can't start instance '%s' (instance may not been created?)" %reference)
+    except Exception:
+      raise ValueError("Can't start instance %r (instance not created?)" % reference)
 
   def updateInstanceXML(self, reference, software_configuration):
     """
     Update the XML configuration of an instance
     # Request same instance with different parameters.
     """
-    self.log('SlapOSControler : updateInstanceXML')
     self.log('SlapOSControler : updateInstanceXML will request same'
-             'instance with new XML configuration...')
+             ' instance with new XML configuration...')
 
     try:
       self.request(reference,
@@ -238,32 +205,28 @@ class SlapOSControler(object):
         self.instance_config[reference]['computer_guid'],
         state='started'
       )
-    except:
+    except Exception:
       raise ValueError("Can't update instance '%s' (may not exist?)" %reference)
 
   def _resetSoftware(self):
-    self.log('SlapOSControler : GOING TO RESET ALL SOFTWARE : %r' %
-             (self.software_root,))
-    if os.path.exists(self.software_root):
-      shutil.rmtree(self.software_root)
-    os.mkdir(self.software_root)
-    os.chmod(self.software_root, 0750)
+    self.log('SlapOSControler : GOING TO RESET ALL SOFTWARE : %r',
+             self.software_root)
+    createFolder(self.software_root, True)
 
   def initializeSlapOSControler(self, slapproxy_log=None, process_manager=None,
         reset_software=False, software_path_list=None):
     self.process_manager = process_manager
     self.software_path_list = software_path_list
-    self.log('SlapOSControler, initialize, reset_software: %r' % reset_software)
+    self.log('SlapOSControler, initialize, reset_software: %r', reset_software)
     config = self.config
     slapos_config_dict = self.config.copy()
     slapos_config_dict.update(software_root=self.software_root,
                               instance_root=self.instance_root,
                               proxy_database=self.proxy_database)
-    open(self.slapos_config, 'w').write(pkg_resources.resource_string(
+    with open(self.slapos_config, 'w') as f:
+      f.write(pkg_resources.resource_string(
          'erp5.util.testnode', 'template/slapos.cfg.in') %
            slapos_config_dict)
-    createFolder(self.software_root)
-    createFolder(self.instance_root)
     # By erasing everything, we make sure that we are able to "update"
     # existing profiles. This is quite dirty way to do updates...
     if os.path.exists(self.proxy_database):
@@ -282,32 +245,29 @@ class SlapOSControler(object):
     # connections
     time.sleep(20)
     try:
-      slap = slapos.slap.slap()
-      self.slap = slap
-      self.slap.initializeConnection(config['master_url'])
+      slap = self.slap = slapos.slap.slap()
+      slap.initializeConnection(config['master_url'])
       # register software profile
       for path in self.software_path_list:
         slap.registerSupply().supply(
             path,
             computer_guid=config['computer_id'])
       computer = slap.registerComputer(config['computer_id'])
-    except:
-        self.log("SlapOSControler.initializeSlapOSControler, \
-                 exception in registerSupply", exc_info=sys.exc_info())
+    except Exception:
+        self.log("SlapOSControler.initializeSlapOSControler",
+                 exc_info=sys.exc_info())
         raise ValueError("Unable to registerSupply")
     # Reset all previously generated software if needed
     if reset_software:
       self._resetSoftware()
+    else:
+      createFolder(self.software_root)
     instance_root = self.instance_root
-    if os.path.exists(instance_root):
-      # delete old paritions which may exists in order to not get its data
-      # (ex. MySQL db content) from previous testnode's runs
-      # In order to be able to change partition naming scheme, do this at
-      # instance_root level (such change happened already, causing problems).
-      shutil.rmtree(instance_root)
-    if not(os.path.exists(instance_root)):
-      os.mkdir(instance_root)
-    for i in range(0, MAX_PARTIONS):
+    # Delete any existing partition in order to not get its data (ex.
+    # MySQL DB content) from previous runs. To support changes of partition
+    # naming scheme (which already happened), do this at instance_root level.
+    createFolder(instance_root, True)
+    for i in xrange(MAX_PARTITIONS):
       # create partition and configure computer
       # XXX: at the moment all partitions do share same virtual interface address
       # this is not a problem as usually all services are on different ports
@@ -336,17 +296,17 @@ class SlapOSControler(object):
 
   def runSoftwareRelease(self, config, environment, **kw):
     self.log("SlapOSControler.runSoftwareRelease")
-    cpu_count = os.sysconf("SC_NPROCESSORS_ONLN")
-    os.putenv('MAKEFLAGS', '-j%s' % cpu_count)
-    os.putenv('NPY_NUM_BUILD_JOBS', '%s' % cpu_count)
-    os.putenv('BUNDLE_JOBS', '%s' % cpu_count)
+    cpu_count = str(os.sysconf("SC_NPROCESSORS_ONLN"))
+    os.environ['MAKEFLAGS'] = '-j' + cpu_count
+    os.environ['NPY_NUM_BUILD_JOBS'] = cpu_count
+    os.environ['BUNDLE_JOBS'] = cpu_count
     os.environ['PATH'] = environment['PATH']
     # a SR may fail for number of reasons (incl. network failures)
     # so be tolerant and run it a few times before giving up
-    for runs in range(0, MAX_SR_RETRIES):
+    for _ in xrange(MAX_SR_RETRIES):
       status_dict = self.spawn(config['slapos_binary'],
                  'node', 'software', '--all', 
-                 '--pidfile', '%s/software.pid' % self.software_root,
+                 '--pidfile', os.path.join(self.software_root, 'slapos-node.pid'),
                  '--cfg', self.slapos_config, raise_error_if_fail=False,
                  log_prefix='slapgrid_sr', get_output=False)
       if status_dict['status_code'] == 0:
@@ -355,32 +315,32 @@ class SlapOSControler(object):
 
   def runComputerPartition(self, config, environment,
                            stdout=None, stderr=None, cluster_configuration=None, **kw):
-    self.log("SlapOSControler.runComputerPartition with cluster_config: %r" % (cluster_configuration,))
+    self.log("SlapOSControler.runComputerPartition with cluster_config: %r",
+             cluster_configuration)
     for path in self.software_path_list:
       try:
         self.slap.registerOpenOrder().request(path,
           partition_reference='testing partition %s' % \
             self.software_path_list.index(path),
           partition_parameter_kw=cluster_configuration)
-      except:
-        self.log("SlapOSControler.runComputerPartition, \
-                 exception in registerOpenOrder", exc_info=sys.exc_info())
+      except Exception:
+        self.log("SlapOSControler.runComputerPartition", exc_info=sys.exc_info())
         raise ValueError("Unable to registerOpenOrder")
 
     # try to run for all partitions as one partition may in theory request another one 
     # this not always is required but curently no way to know how "tree" of partitions
     # may "expand"
-    sleep_time = 0
-    for runs in range(0, MAX_PARTIONS):
+    for _ in xrange(MAX_PARTITIONS):
       status_dict = self.spawn(config['slapos_binary'], 'node', 'instance', 
-                 '--pidfile', '%s/instance.pid' % self.software_root,
+                 '--pidfile', os.path.join(self.instance_root, 'slapos-node.pid'),
                  '--cfg', self.slapos_config, raise_error_if_fail=False,
                  log_prefix='slapgrid_cp', get_output=False)
-      self.log('slapgrid_cp status_dict : %r' % (status_dict,))
-      if status_dict['status_code'] in (0,):
+      self.log('slapgrid_cp status_dict : %r', status_dict)
+      if not status_dict['status_code']:
         break
-    # some hack to handle promise issues (should be only one of the two
-    # codes, but depending on slapos versions, we have inconsistent status
-    if status_dict['status_code'] in (1,2):
-      status_dict['status_code'] = 0
+    else:
+      # some hack to handle promise issues (should be only one of the two
+      # codes, but depending on slapos versions, we have inconsistent status
+      if status_dict['status_code'] in (1,2):
+        status_dict['status_code'] = 0
     return status_dict

erp5/util/testnode/SlapOSMasterCommunicator.py

 import datetime
 import json
-import sys
 import traceback
 import time
 #import feedparser
+from functools import wraps
 from uritemplate import expand
 
 import slapos.slap
 from slapos.slap import SoftwareProductCollection
-
-from slapos.slap.slap import ConnectionError
 from requests.exceptions import HTTPError
-from erp5.util.taskdistribution import SAFE_RPC_EXCEPTION_LIST
+from ..taskdistribution import SAFE_RPC_EXCEPTION_LIST
 
 # max time to instance changing state: 2 hour
 MAX_INSTANCE_TIME = 60*60*2
@@ -41,36 +39,29 @@ TESTER_STATE_INSTANCE_UNINSTALLED = "TESTER_STATE_INSTANCE_UNINSTALLED"
 
 # Simple decorator to prevent raise due small
 # network failures.
-def retryOnNetworkFailure(func):
-  def wrapper(*args, **kwargs):
+def retryOnNetworkFailure(func,
+    _except_list = SAFE_RPC_EXCEPTION_LIST + (
+      HTTPError, slapos.slap.ConnectionError),
+    ):
+  def wrapper(*args, **kw):
     retry_time = 64
     while True:
       try:
-        return func(*args, **kwargs)
-      except SAFE_RPC_EXCEPTION_LIST, e:
-        print 'Network failure: %s , %s' % (sys.exc_info(), e)
-      except HTTPError, e:
-        print 'Network failure: %s , %s' % (sys.exc_info(), e)
-      except ConnectionError, e:
-        print 'Network failure: %s , %s' % (sys.exc_info(), e)
-      except slapos.slap.ConnectionError, e:
-        print 'Network failure: %s , %s' % (sys.exc_info(), e)
-
-      print 'Retry method %s in %i seconds' % (func, retry_time)
+        return func(*args, **kw)
+      except _except_list:
+        traceback.print_exc()
+
+      print 'Network failure. Retry method %s in %i seconds' % (func, retry_time)
       time.sleep(retry_time)
       retry_time = min(retry_time*1.5, 640)
 
-
-  wrapper.__name__ = func.__name__
-  wrapper.__doc__ = func.__doc__
-  return wrapper
+  return wraps(func)(wrapper)
 
 
 class SlapOSMasterCommunicator(object):
   latest_state = None
 
   def __init__(self, slap, slap_supply, slap_order, url, logger):
-
     self._logger = logger
     self.slap = slap
     self.slap_order = slap_order
@@ -102,8 +93,7 @@ class SlapOSMasterCommunicator(object):
     if instance_title is not None:
       self.name = instance_title 
     if request_kw is not None:
-      if isinstance(request_kw, str) or \
-        isinstance(request_kw, unicode):
+      if isinstance(request_kw, basestring):
         self.request_kw = json.loads(request_kw)
       else:
         self.request_kw = request_kw
@@ -116,12 +106,11 @@ class SlapOSMasterCommunicator(object):
             **self.request_kw)
 
   def isInstanceRequested(self, instance_title):
-    hateoas = getattr(self.slap, '_hateoas_navigator', None)
+    hateoas = self._hateoas_navigator
     return instance_title in hateoas.getHostingSubscriptionDict()
 
   @retryOnNetworkFailure
   def _hateoas_getComputer(self, reference):
-
     root_document = self.hateoas_navigator.getRootDocument()
     search_url = root_document["_links"]['raw_search']['href']
 
@@ -147,7 +136,6 @@ class SlapOSMasterCommunicator(object):
   @retryOnNetworkFailure
   def getSoftwareInstallationList(self):
     # XXX Move me to slap.py API 
-
     computer = self._hateoas_getComputer(self.computer_guid)
 
     # Not a list ?
@@ -191,7 +179,6 @@ class SlapOSMasterCommunicator(object):
 
   @retryOnNetworkFailure
   def getInstanceUrlList(self):
-
     if self.hosting_subscription_url is None:
       hosting_subscription_dict = self.hateoas_navigator._hateoas_getHostingSubscriptionDict()
       for hs in hosting_subscription_dict:
@@ -207,7 +194,6 @@ class SlapOSMasterCommunicator(object):
 
   @retryOnNetworkFailure
   def getNewsFromInstance(self, url):
-
     result = self.hateoas_navigator.GET(url)
     result = json.loads(result)
     if result['_links'].get('action_object_slap', None) is None:
@@ -221,7 +207,6 @@ class SlapOSMasterCommunicator(object):
 
   @retryOnNetworkFailure
   def getInformationFromInstance(self, url):
-
     result = self.hateoas_navigator.GET(url)
     result = json.loads(result)
     if result['_links'].get('action_object_slap', None) is None:
@@ -329,7 +314,7 @@ class SlapOSMasterCommunicator(object):
       self._logger('Got an error requesting partition for '
             'its state')
       return INSTANCE_STATE_UNKNOWN
-    except:
+    except Exception:
       self._logger("ERROR getting instance state")
       return INSTANCE_STATE_UNKNOWN
 
@@ -377,6 +362,7 @@ class SlapOSMasterCommunicator(object):
     return {'error_message' : None}
 
 class SlapOSTester(SlapOSMasterCommunicator):
+
   def __init__(self,
               name,
               logger,
@@ -387,7 +373,6 @@ class SlapOSTester(SlapOSMasterCommunicator):
               computer_guid=None, # computer for supply if desired
               request_kw=None
           ):
-
     super(SlapOSTester, self).__init__(
       slap, slap_supply, slap_order, url, logger)
 
@@ -464,7 +449,6 @@ class SoftwareReleaseTester(SlapOSTester):
               software_timeout=3600,
               instance_timeout=3600,
           ):
-
     super(SoftwareReleaseTester, self).__init__(
       name, logger, slap, slap_order, slap_supply, url, computer_guid, request_kw)
 

erp5/util/testnode/UnitTestRunner.py

@@ -24,28 +24,22 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #
 ##############################################################################
-from datetime import datetime,timedelta
 import os
-import subprocess
-import sys
-import time
 import glob
-import SlapOSControler
 import json
-import time
-import shutil
-import logging
-import string
-import random
-from ProcessManager import SubprocessError, ProcessManager, CancellationError
-from subprocess import CalledProcessError
-from NodeTestSuite import SlapOSInstance
-from Updater import Updater
-from Utils import dealShebang
-from erp5.util import taskdistribution
+from .ProcessManager import SubprocessError
+from .SlapOSControler import SlapOSControler
+from .Utils import createFolder
 from slapos.grid.utils import md5digest
 
-class UnitTestRunner():
+def dealShebang(run_test_suite_path):
+  with open(run_test_suite_path) as f:
+    if f.read(2) == '#!':
+      return f.readline().split(None, 1)
+  return []
+
+class UnitTestRunner(object):
+
   def __init__(self, testnode):
     self.testnode = testnode
 
@@ -53,12 +47,11 @@ class UnitTestRunner():
     """
     Create a SlapOSControler
     """
-    return SlapOSControler.SlapOSControler(
+    return SlapOSControler(
                working_directory,
                self.testnode.config,
                self.testnode.log)
  
-
   def _prepareSlapOS(self, working_directory, slapos_instance, log,
           create_partition=1, software_path_list=None, **kw):
     """
@@ -66,11 +59,11 @@ class UnitTestRunner():
     """
     slapproxy_log = os.path.join(self.testnode.config['log_directory'],
                                   'slapproxy.log')
-    log('Configured slapproxy log to %r' % slapproxy_log)
+    log('Configured slapproxy log to %r', slapproxy_log)
     reset_software = slapos_instance.retry_software_count > 10
     if reset_software:
       slapos_instance.retry_software_count = 0
-    log('testnode, retry_software_count : %r' % \
+    log('testnode, retry_software_count : %r',
              slapos_instance.retry_software_count)
 
     # XXX Create a new controler because working_directory can be
@@ -108,26 +101,22 @@ class UnitTestRunner():
     """
     # report-url, report-project and suite-url are required to seleniumrunner
     # instance. This is a hack which must be removed.
-    cluster_configuration = {}
     config = self.testnode.config
-    cluster_configuration['report-url'] = config.get("report-url", "")
-    cluster_configuration['report-project'] = config.get("report-project", "")
-    cluster_configuration['suite-url'] = config.get("suite-url", "")
-    return self._prepareSlapOS(self.testnode.config['slapos_directory'],
+    return self._prepareSlapOS(config['slapos_directory'],
               test_node_slapos, self.testnode.log, create_partition=0,
-              software_path_list=self.testnode.config.get("software_list"),
-              cluster_configuration=cluster_configuration
-              )
+              software_path_list=config.get("software_list"),
+              cluster_configuration={
+                'report-url': config.get("report-url", ""),
+                'report-project': config.get("report-project", ""),
+                'suite-url': config.get("suite-url", ""),
+              })
 
   def prepareSlapOSForTestSuite(self, node_test_suite):
     """
     Build softwares needed by testsuites
     """
-    log = self.testnode.log
-    if log is None:
-      log = self.testnode.log
     return self._prepareSlapOS(node_test_suite.working_directory,
-              node_test_suite, log,
+              node_test_suite, self.testnode.log,
               software_path_list=[node_test_suite.custom_profile_path],
               cluster_configuration={'_': json.dumps(node_test_suite.cluster_configuration)})
 
@@ -171,8 +160,7 @@ class UnitTestRunner():
     # From this point, test runner becomes responsible for updating test
     # result. We only do cleanup if the test runner itself is not able
     # to run.
-    SlapOSControler.createFolder(node_test_suite.test_suite_directory,
-                                 clean=True)
+    createFolder(node_test_suite.test_suite_directory, clean=True)
     self.testnode.process_manager.spawn(*invocation_list,
                           cwd=node_test_suite.test_suite_directory,
                           log_prefix='runTestSuite', get_output=False)

erp5/util/testnode/Updater.py

@@ -28,11 +28,8 @@ import errno
 import os
 import re
 import shutil
-import subprocess
 import sys
-import threading
-
-from ProcessManager import SubprocessError
+from .ProcessManager import SubprocessError
 
 SVN_UP_REV = re.compile(r'^(?:At|Updated to) revision (\d+).$')
 SVN_CHANGED_REV = re.compile(r'^Last Changed Rev.*:\s*(\d+)', re.MULTILINE)
@@ -44,9 +41,8 @@ SVN_TYPE = 'svn'
 class Updater(object):
 
   _git_cache = {}
-  stdin = file(os.devnull)
 
-  def __init__(self, repository_path, log, revision=None, git_binary=None,
+  def __init__(self, repository_path, log, revision=None, git_binary='git',
       branch=None, realtime_output=True, process_manager=None, url=None,
       working_directory=None):
     self.log = log
@@ -81,7 +77,7 @@ class Updater(object):
 
   def deletePycFiles(self, path):
     """Delete *.pyc files so that deleted/moved files can not be imported"""
-    for path, dir_list, file_list in os.walk(path):
+    for path, _, file_list in os.walk(path):
       for file in file_list:
         if file[-4:] in ('.pyc', '.pyo'):
           # allow several processes clean the same folder at the same time
@@ -115,17 +111,17 @@ class Updater(object):
     git_repository_path = os.path.join(self.getRepositoryPath(), '.git')
     name = os.path.basename(os.path.normpath(self.getRepositoryPath()))
     git_repository_link_path = os.path.join(self.getRepositoryPath(), '%s.git' %name)
-    self.log("checking link %s -> %s.."
-                %(git_repository_link_path,git_repository_path))
+    self.log("checking link %s -> %s..",
+             git_repository_link_path, git_repository_path)
     if ( not os.path.lexists(git_repository_link_path) and \
          not os.path.exists(git_repository_link_path) ):
       try:
         os.symlink(git_repository_path, git_repository_link_path)
-        self.log("link: %s -> %s created"
-                %(git_repository_link_path,git_repository_path))
-      except:
-        self.log("Cannot create link from %s -> %s"
-                %(git_repository_link_path,git_repository_path))
+        self.log("link: %s -> %s created",
+          git_repository_link_path, git_repository_path)
+      except OSError:
+        self.log("Cannot create link from %s -> %s",
+          git_repository_link_path, git_repository_path)
   
   def _git_find_rev(self, ref):
     try:
@@ -152,7 +148,7 @@ class Updater(object):
     raise NotImplementedError
 
   def deleteRepository(self):
-    self.log("Wrong repository or wrong url, deleting repos %s" % \
+    self.log("Wrong repository or wrong url, deleting repos %s",
              self.repository_path)
     shutil.rmtree(self.repository_path)
 
@@ -165,7 +161,7 @@ class Updater(object):
           remote_url = self._git("config", "--get", "remote.origin.url")
           if remote_url == self.url:
             correct_url = True
-        except (SubprocessError,) as e:
+        except SubprocessError:
           self.log("SubprocessError", exc_info=sys.exc_info())
         if not(correct_url):
           self.deleteRepository()

erp5/util/testnode/Utils.py

-import sys
-import json
+import os
 import shutil
-import string
-from random import choice
+
+def createFolder(folder, clean=False):
+  if os.path.exists(folder):
+    if not clean:
+      return
+    shutil.rmtree(folder)
+  os.mkdir(folder)
 
 def deunicodeData(data):
   if isinstance(data, list):
-    new_data = []
-    for sub_data in data:
-      new_data.append(deunicodeData(sub_data))
-  elif isinstance(data, unicode):
-    new_data = data.encode('utf8')
-  elif isinstance(data, dict):
-    new_data = {}
-    for key, value in data.iteritems():
-      key = deunicodeData(key)
-      value = deunicodeData(value)
-      new_data[key] = value
-  else:
-    new_data = data
-  return new_data
-
-def dealShebang(run_test_suite_path):
-  line = open(run_test_suite_path, 'r').readline()
-  invocation_list = []
-  if line[:2] == '#!':
-    invocation_list = line[2:].split()
-  return invocation_list
+    return map(deunicodeData, data)
+  if isinstance(data, unicode):
+    return data.encode('utf8')
+  if isinstance(data, dict):
+    return {deunicodeData(key): deunicodeData(value)
+            for key, value in data.iteritems()}
+  return data

erp5/util/testnode/testnode.py

@@ -26,30 +26,24 @@
 ##############################################################################
 import os
 import sys
-import time
 import json
 import time
 import shutil
 import logging
-import Utils
 from slapos.slap.slap import ConnectionError
 
-import traceback
-
-from ProcessManager import SubprocessError, ProcessManager, CancellationError
+from .ProcessManager import SubprocessError, ProcessManager, CancellationError
 from subprocess import CalledProcessError
-from Updater import Updater
-from NodeTestSuite import NodeTestSuite, SlapOSInstance
-from ScalabilityTestRunner import ScalabilityTestRunner
-from UnitTestRunner import UnitTestRunner
-from erp5.util import taskdistribution
+from .Updater import Updater
+from .NodeTestSuite import NodeTestSuite, SlapOSInstance
+from .ScalabilityTestRunner import ScalabilityTestRunner
+from .UnitTestRunner import UnitTestRunner
+from .Utils import deunicodeData
+from .. import taskdistribution
 
-
-DEFAULT_SLEEP_TIMEOUT = 120 # time in seconds to sleep
 MAX_LOG_TIME = 15 # time in days we should keep logs that we can see through
                   # httd
 MAX_TEMP_TIME = 0.01 # time in days we should keep temp files
-supervisord_pid_file = None
 
 PROFILE_PATH_KEY = 'profile_path'
 
@@ -76,7 +70,6 @@ class TestNode(object):
 
 
   def checkOldTestSuite(self,test_suite_data):
-    config = self.config
     installed_reference_set = set(os.listdir(self.working_directory))
     wished_reference_set = set([x['test_suite_reference'] for x in test_suite_data])
     to_remove_reference_set = installed_reference_set.difference(
@@ -84,11 +77,11 @@ class TestNode(object):
     for y in to_remove_reference_set:
       fpath = os.path.join(self.working_directory,y)
       self.delNodeTestSuite(y)
-      self.log("testnode.checkOldTestSuite, DELETING : %r" % (fpath,))
+      self.log("testnode.checkOldTestSuite, DELETING : %r", fpath)
       if os.path.isdir(fpath):
-       shutil.rmtree(fpath)
+        shutil.rmtree(fpath)
       else:
-       os.remove(fpath)
+        os.remove(fpath)
   
   def getNodeTestSuite(self, reference):
     node_test_suite = self.node_test_suite_dict.get(reference)
@@ -103,27 +96,22 @@ class TestNode(object):
     return node_test_suite
 
   def delNodeTestSuite(self, reference):
-    if self.node_test_suite_dict.has_key(reference):
-      self.node_test_suite_dict.pop(reference)
+    self.node_test_suite_dict.pop(reference, None)
 
   def constructProfile(self, node_test_suite, test_type, use_relative_path=False):
-    config = self.config
-    profile_content = ''
     assert len(node_test_suite.vcs_repository_list), "we must have at least one repository"
-    profile_path_count = 0
+    software_config_path = None
     profile_content_list = []
     revision_dict = dict(node_test_suite.revision_list)
     for vcs_repository in node_test_suite.vcs_repository_list:
-      url = vcs_repository['url']
-      buildout_section_id = vcs_repository.get('buildout_section_id', None)
+      buildout_section_id = vcs_repository.get('buildout_section_id')
       repository_path = vcs_repository['repository_path']
       try:
         profile_path = vcs_repository[PROFILE_PATH_KEY]
       except KeyError:
         pass
       else:
-        profile_path_count += 1
-        if profile_path_count > 1:
+        if software_config_path is not None:
           raise ValueError(PROFILE_PATH_KEY + ' defined more than once')
 
         # Absolute path to relative path
@@ -133,11 +121,6 @@ class TestNode(object):
                                     node_test_suite.reference)
           software_config_path = os.path.relpath(software_config_path, from_path)
 
-        profile_content_list.append("""
-[buildout]
-extends = %(software_config_path)s
-""" %  {'software_config_path': software_config_path})
-
       # Construct sections
       if not(buildout_section_id is None):
         # Absolute path to relative
@@ -168,14 +151,14 @@ shared = true
 """ %     {'buildout_section_id': buildout_section_id,
           'repository_path' : repository_path,
           'branch' : vcs_repository.get('branch','master')})
-    if not profile_path_count:
+    if software_config_path is None:
       raise ValueError(PROFILE_PATH_KEY + ' not defined')
+    profile_content_list.sort()
     # Write file
-    custom_profile = open(node_test_suite.custom_profile_path, 'w')
-    # sort to have buildout section first
-    profile_content_list.sort(key=lambda x: [x, ''][x.startswith('\n[buildout]')])
-    custom_profile.write(''.join(profile_content_list))
-    custom_profile.close()
+    with open(node_test_suite.custom_profile_path, 'w') as f:
+      f.write("[buildout]\nextends = %s\n%s" % (
+        software_config_path,
+        ''.join(profile_content_list)))
     sys.path.append(repository_path)
 
   def updateRevisionList(self, node_test_suite):
@@ -194,7 +177,7 @@ shared = true
            url=vcs_repository["url"])
         updater.checkout()
         revision_list.append((repository_id, updater.getRevision()))
-    except SubprocessError, e:
+    except SubprocessError:
       log("Error while getting repository, ignoring this test suite",
           exc_info=1)
       return False
@@ -211,7 +194,7 @@ shared = true
     # TODO make the path into url
     test_result.reportStatus('LOG url', "%s/%s" % (self.config.get('httpd_url'),
                              folder_id), '')
-    self.log("going to switch to log %r" % suite_log_path)
+    self.log("going to switch to log %r", suite_log_path)
     self.process_manager.log = self.log = self.getSuiteLog()
     return suite_log_path
 
@@ -230,7 +213,7 @@ shared = true
     self.file_handler = logging.FileHandler(filename=suite_log_path)
     self.file_handler.setFormatter(formatter)
     logger.addHandler(self.file_handler)
-    logger.info('Activated logfile %r output' % suite_log_path)
+    logger.info('Activated logfile %r output', suite_log_path)
     self.suite_log = logger.info
 
   def checkRevision(self, test_result, node_test_suite):
@@ -257,14 +240,13 @@ shared = true
     node_test_suite.revision_list = revision_list
 
   def _cleanupLog(self):
-    config = self.config
     log_directory = self.config['log_directory']
-    now = time.time()
+    prune_time = time.time() - 86400 * self.max_log_time
     for log_folder in os.listdir(log_directory):
       folder_path = os.path.join(log_directory, log_folder)
       if os.path.isdir(folder_path):
-        if (now - os.stat(folder_path).st_mtime)/86400 > self.max_log_time:
-          self.log("deleting log directory %r" % (folder_path,))
+        if os.stat(folder_path).st_mtime < prune_time:
+          self.log("deleting log directory %r", folder_path)
           shutil.rmtree(folder_path)
 
   def _cleanupTemporaryFiles(self):
@@ -273,17 +255,16 @@ shared = true
     missing disk space, remove old logs
     """
     temp_directory = self.config["system_temp_folder"]
-    now = time.time()
     user_id = os.geteuid()
+    prune_time = time.time() - 86400 * self.max_temp_time
     for temp_folder in os.listdir(temp_directory):
       folder_path = os.path.join(temp_directory, temp_folder)
       if (temp_folder.startswith("tmp") or
           temp_folder.startswith("buildout")):
         try:
           stat = os.stat(folder_path)
-          if stat.st_uid == user_id and \
-              (now - stat.st_mtime)/86400 > self.max_temp_time:
-            self.log("deleting temp directory %r" % (folder_path,))
+          if stat.st_uid == user_id and stat.st_mtime < prune_time:
+            self.log("deleting temp directory %r", folder_path)
             if os.path.isdir(folder_path):
               shutil.rmtree(folder_path)
             else:
@@ -291,9 +272,8 @@ shared = true
         except OSError:
           self.log("_cleanupTemporaryFiles exception", exc_info=1)
 
-  def cleanUp(self,test_result):
-    log = self.log
-    log('Testnode.cleanUp')
+  def cleanUp(self):
+    self.log('Testnode.cleanUp')
     self.process_manager.killPreviousRun()
     self._cleanupLog()
     self._cleanupTemporaryFiles()
@@ -301,19 +281,15 @@ shared = true
   def run(self):
     log = self.log
     config = self.config
-    slapgrid = None
-    previous_revision_dict = {}
-    revision_dict = {}
-    test_result = None
     test_node_slapos = SlapOSInstance()
-    test_node_slapos.edit(working_directory=self.config['slapos_directory'])
+    test_node_slapos.edit(working_directory=config['slapos_directory'])
     try:
       while True:
+        test_result = None
         try:
           node_test_suite = None
           self.log = self.process_manager.log = self.testnode_log
-          self.cleanUp(None)
-          remote_test_result_needs_cleanup = False
+          self.cleanUp()
           begin = time.time()
           portal_url = config['test_suite_master_url']
           self.taskdistribution = taskdistribution.TaskDistributor(
@@ -321,23 +297,23 @@ shared = true
                                                         logger=DummyLogger(log))
           node_configuration = self.taskdistribution.subscribeNode(node_title=config['test_node_title'],
                                                computer_guid=config['computer_id'])
-          if type(node_configuration) == str:
+          if type(node_configuration) is str:
             # Backward compatiblity
             node_configuration = json.loads(node_configuration)
           if node_configuration is not None and \
               'process_timeout' in node_configuration \
               and node_configuration['process_timeout'] is not None:
             process_timeout = node_configuration['process_timeout']
-            log('Received and using process timeout from master: %i' % (
-              process_timeout))
+            log('Received and using process timeout from master: %i',
+              process_timeout)
             self.process_manager.max_timeout = process_timeout
           test_suite_data = self.taskdistribution.startTestSuite(
                                                node_title=config['test_node_title'],
                                                computer_guid=config['computer_id'])
-          if type(test_suite_data) == str:
+          if type(test_suite_data) is str:
             # Backward compatiblity
             test_suite_data = json.loads(test_suite_data)
-          test_suite_data = Utils.deunicodeData(test_suite_data)
+          test_suite_data = deunicodeData(test_suite_data)
           log("Got following test suite data from master : %r",
               test_suite_data)
           try:
@@ -360,19 +336,18 @@ shared = true
           # Clean-up test suites
           self.checkOldTestSuite(test_suite_data)
           for test_suite in test_suite_data:
-            remote_test_result_needs_cleanup = False
             node_test_suite = self.getNodeTestSuite(
                test_suite["test_suite_reference"])
 
             node_test_suite.edit(
-               working_directory=self.config['working_directory'],
-               log_directory=self.config['log_directory'])
+               working_directory=config['working_directory'],
+               log_directory=config['log_directory'])
 
             node_test_suite.edit(**test_suite)
             if my_test_type == 'UnitTest':
               runner = UnitTestRunner(node_test_suite)
             elif my_test_type == 'ScalabilityTest':
-	      runner = ScalabilityTestRunner(self)
+              runner = ScalabilityTestRunner(self)
             else:
               log("testnode, Runner type %s not implemented.", my_test_type)
               raise NotImplementedError
@@ -380,7 +355,6 @@ shared = true
             # XXX: temporary hack to prevent empty test_suite
             if not hasattr(node_test_suite, 'test_suite'):
               node_test_suite.edit(test_suite='')
-            run_software = True
             # kill processes from previous loop if any
             self.process_manager.killPreviousRun()
             if not self.updateRevisionList(node_test_suite):
@@ -394,7 +368,6 @@ shared = true
                      config['test_node_title'], False,
                      node_test_suite.test_suite_title,
                      node_test_suite.project_title)
-            remote_test_result_needs_cleanup = True
             log("testnode, test_result : %r", test_result)
             if test_result is not None:
               self.registerSuiteLog(test_result, node_test_suite)
@@ -402,10 +375,10 @@ shared = true
               node_test_suite.edit(test_result=test_result)
               # get cluster configuration for this test suite, this is needed to
               # know slapos parameters to user for creating instances
-	      log("Getting configuration from test suite " + str(node_test_suite.test_suite_title))        
+              log("Getting configuration from test suite %s", node_test_suite.test_suite_title)
               generated_config = self.taskdistribution.generateConfiguration(node_test_suite.test_suite_title)
               json_data = json.loads(generated_config)
-              cluster_configuration = Utils.deunicodeData(json_data['configuration_list'][0])
+              cluster_configuration = deunicodeData(json_data['configuration_list'][0])
               node_test_suite.edit(cluster_configuration=cluster_configuration)
               # Now prepare the installation of SlapOS and create instance
               status_dict = runner.prepareSlapOSForTestSuite(node_test_suite)
@@ -437,10 +410,10 @@ shared = true
                 raise NotImplementedError
               # break the loop to get latest priorities from master
               break
-            self.cleanUp(test_result)
+            self.cleanUp()
         except (SubprocessError, CalledProcessError, ConnectionError) as e:
           log("", exc_info=1)
-          if remote_test_result_needs_cleanup:
+          if test_result is not None:
             status_dict = getattr(e, "status_dict", None) or {
               'stderr': "%s: %s" % (e.__class__.__name__, e)}
             test_result.reportFailure(
@@ -454,7 +427,7 @@ shared = true
           log("", exc_info=1)
           if node_test_suite is not None:
             node_test_suite.retry_software_count += 1
-          if remote_test_result_needs_cleanup:
+          if test_result is not None:
             test_result.reportFailure(
               command='', stdout='',
               stderr="ValueError was raised : %s" % (e,),
@@ -464,10 +437,9 @@ shared = true
           self.process_manager.under_cancellation = False
           node_test_suite.retry = True
           continue
-        now = time.time()
-        self.cleanUp(test_result)
-        if (now-begin) < 120:
-          sleep_time = 120 - (now-begin)
+        self.cleanUp()
+        sleep_time = 120 - (time.time() - begin)
+        if sleep_time > 0:
           log("End of processing, going to sleep %s", sleep_time)
           time.sleep(sleep_time)
     except Exception:
@@ -480,5 +452,5 @@ shared = true
       # groups working only in POSIX compilant systems
       # Exceptions are swallowed during cleanup phase
       log("GENERAL EXCEPTION, QUITING")
-      self.cleanUp(test_result)
+      self.cleanUp()
       log("GENERAL EXCEPTION, QUITING, cleanup finished")