Merge branch 'master' into networkcache_signature

Conflicts:
	slapos/tests/slapgrid.py

buildout.cfg

@@ -3,6 +3,7 @@ develop = .
 parts =
   slapos
   pyflakes
+  test
 
 find-links =
   http://www.nexedi.org/static/packages/source/slapos.buildout/
@@ -44,5 +45,10 @@ eggs =
   rstctl
 interpreter = python
 
+[test]
+recipe = zc.recipe.testrunner
+eggs =
+  slapos.core
+
 [versions]
 zc.buildout = 1.5.3-dev-SlapOS-005

master/bt5/vifib_base/DocumentTemplateItem/SoftwareInstance.py

@@ -29,6 +29,13 @@ from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions
 from Products.ERP5.Document.Item import Item
 from lxml import etree
+import collections
+
+class DisconnectedSoftwareTree(Exception):
+  pass
+
+class CyclicSoftwareTree(Exception):
+  pass
 
 class SoftwareInstance(Item):
   """
@@ -60,3 +67,44 @@ class SoftwareInstance(Item):
           value = element.text
         result_dict[key] = value
     return result_dict
+
+  security.declareProtected(Permissions.AccessContentsInformation,
+    'checkNotCyclic')
+  def checkNotCyclic(self, graph):
+    # see http://neopythonic.blogspot.com/2009/01/detecting-cycles-in-directed-graph.html
+    todo = set(graph.keys())
+    while todo:
+      node = todo.pop()
+      stack = [node]
+      while stack:
+        top = stack[-1]
+        for node in graph[top]:
+          if node in stack:
+            raise CyclicSoftwareTree
+          if node in todo:
+            stack.append(node)
+            todo.remove(node)
+            break
+        else:
+          node = stack.pop()
+    return True
+
+  security.declareProtected(Permissions.AccessContentsInformation,
+    'checkConnected')
+  def checkConnected(self, graph, root):
+    size = len(graph)
+    visited = set()
+    to_crawl = collections.deque(graph[root])
+    while to_crawl:
+      current = to_crawl.popleft()
+      if current in visited:
+        continue
+      visited.add(current)
+      node_children = set(graph[current])
+      to_crawl.extend(node_children - visited)
+    # add one to visited, as root won't be visited, only children
+    # this is false positive in case of cyclic graphs, but they are
+    # anyway wrong in Software Instance trees
+    if size != len(visited) + 1:
+      raise DisconnectedSoftwareTree
+    return True

master/bt5/vifib_base/WorkflowTemplateItem/portal_workflow/software_instance_slap_interface_workflow/scripts/SoftwareInstance_requestSoftwareInstance.xml

@@ -64,9 +64,18 @@ instance_xml = kwargs["instance_xml"]\n
 sla_xml = kwargs["sla_xml"]\n
 state = kwargs["state"]\n
 \n
-# Get root software instance\n
+# graph allows to "simulate" tree change after requested operation\n
+graph = {}\n
+# Get root software instance and create initial graph\n
 predecessor_software_instance = software_instance\n
 while (predecessor_software_instance is not None):\n
+  predecessor_software_instance_pred_uid_list = predecessor_software_instance.getPredecessorUidList()\n
+  graph[predecessor_software_instance.getUid()] = predecessor_software_instance_pred_uid_list\n
+  # as this walking is not fetching all instances fill predecessors into graph, in order to have\n
+  # "nearly" complete representation\n
+  for uid in predecessor_software_instance_pred_uid_list:\n
+    if uid not in graph:\n
+      graph[uid] = []\n
   root_software_instance = predecessor_software_instance\n
   predecessor_software_instance = predecessor_software_instance.getPredecessorRelatedValue(\n
       portal_type="Software Instance")\n
@@ -84,6 +93,11 @@ request_software_instance = software_instance.portal_catalog.getResultValue(\n
   root_uid=root_software_instance.getUid(),\n
 )\n
 \n
+# above query does not find root software instance, but as this case is easy\n
+# to find, just check if such request does not come and raise\n
+if root_software_instance.getTitle() == requested_partition_reference:\n
+  raise ValueError(\'It is disallowed to request root software instance\')\n
+\n
 if (request_software_instance is None):\n
   if (portal.portal_activities.countMessageWithTag(tag) > 0):\n
     # The software instance is already under creation but can not be fetched from catalog\n
@@ -130,6 +144,8 @@ else:\n
     predecessor_software_instance.edit(\n
       predecessor_uid_list=predecessor_uid_list,\n
       activate_kw={\'tag\': tag},)\n
+    graph[predecessor_software_instance.getUid()] = predecessor_uid_list\n
+\n
   if state == \'started\':\n
     request_software_instance.startRequested()\n
     request_software_instance.activate(after_tag=tag).requestStartComputerPartition()\n
@@ -139,7 +155,16 @@ else:\n
   else:\n
     raise ValueError(\'State %r is not supported\' % state)\n
 predecessor_list = software_instance.getPredecessorList() + [request_software_instance.getRelativeUrl()]\n
+# Add requested software instance to graph if does not exists there yet\n
+if not request_software_instance.getUid() in graph:\n
+  graph[request_software_instance.getUid()] = []\n
+\n
+# update graph to reflect requested operation\n
+graph[software_instance.getUid()] = software_instance.getPredecessorUidList() + [request_software_instance.getUid()]\n
 \n
+# check if all elements are still connected and if there is no cycle\n
+software_instance.checkConnected(graph, root_software_instance.getUid())\n
+software_instance.checkNotCyclic(graph)\n
 \n
 software_instance.edit(\n
   predecessor_list=predecessor_list,\n

master/bt5/vifib_base/bt/revision

-246
\ No newline at end of file
+254
\ No newline at end of file

master/product/Vifib/tests/testVifibSlapWebService.py

@@ -361,6 +361,7 @@ class TestVifibSlapWebService(testVifibMixin):
     self.assertEqual(1, len(software_instance_list))
     software_instance = software_instance_list[0]
     sequence.edit(
+        root_software_instance_title=software_title,
         software_instance_uid=software_instance.getUid(),
         software_instance_reference=software_instance.getReference(),
         hosting_subscription_uid=software_instance.getAggregateRelatedValue(
@@ -1187,6 +1188,16 @@ class TestVifibSlapWebService(testVifibMixin):
   def stepSelectRequestedReferenceChildrenBChild(self, sequence, **kw):
     sequence.edit(requested_reference='children_b_child')
 
+  def stepSelectRequestedReferenceRootSoftwareInstanceTitle(self, sequence,
+      **kw):
+    sequence.edit(requested_reference=sequence['root_software_instance_title'])
+
+  def stepSelectRequestedReferenceB(self, sequence, **kw):
+    sequence.edit(requested_reference='b')
+
+  def stepSelectRequestedReferenceC(self, sequence, **kw):
+    sequence.edit(requested_reference='c')
+
   def stepSelectEmptyRequestedParameterDict(self, sequence, **kw):
     sequence.edit(requested_parameter_dict=None)
 
@@ -1355,6 +1366,7 @@ class TestVifibSlapWebService(testVifibMixin):
         requested_computer_partition_reference=\
             requested_slap_computer_partition.getId())
 
+
   def stepDirectRequestComputerPartitionNotReadyResponseWithoutState(self,
     sequence, **kw):
     request_dict = { 'computer_id': sequence['computer_reference'] ,
@@ -3103,6 +3115,14 @@ class TestVifibSlapWebService(testVifibMixin):
 
   def stepCheckSoftwareInstanceAndRelatedComputerPartition(self,
       sequence, **kw):
+    self.stepCheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck(sequence, **kw)
+    software_instance_uid = sequence['software_instance_uid']
+    software_instance = self.portal.portal_catalog.getResultValue(
+        uid=software_instance_uid)
+    self._checkSoftwareInstanceAndRelatedPartition(software_instance)
+
+  def stepCheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck(self,
+      sequence, **kw):
     software_instance_uid = sequence['software_instance_uid']
     software_instance = self.portal.portal_catalog.getResultValue(
         uid=software_instance_uid)
@@ -3110,7 +3130,6 @@ class TestVifibSlapWebService(testVifibMixin):
     predecessor_value_list = software_instance.getPredecessorValueList()
     self.assertEqual(1, len(predecessor_value_list))
 
-    self._checkSoftwareInstanceAndRelatedPartition(software_instance)
     sequence.edit(
       requested_software_instance_uid=predecessor_value_list[0].getUid(),
       requested_software_instance_reference=predecessor_value_list[0].getReference())
@@ -7623,12 +7642,42 @@ class TestVifibSlapWebService(testVifibMixin):
     sequence_list.addSequenceString(sequence_string)
     sequence_list.play(self)
 
+  def stepStoreCurrentSoftwareInstanceUidBufferA(self, sequence, **kw):
+    sequence['buffer_a_software_instance_uid'] = sequence['software_instance_uid']
+
+  def stepStoreCurrentSoftwareInstanceUidBufferB(self, sequence, **kw):
+    sequence['buffer_b_software_instance_uid'] = sequence['software_instance_uid']
+
+  def stepStoreCurrentComputerUidBufferA(self, sequence, **kw):
+    sequence['buffer_a_computer_uid'] = sequence['computer_uid']
+
+  def stepStoreCurrentComputerUidBufferB(self, sequence, **kw):
+    sequence['buffer_b_computer_uid'] = sequence['computer_uid']
+
+  def stepRestoreSoftwareInstanceUidFromBufferA(self, sequence, **kw):
+    sequence['software_instance_uid'] = sequence['buffer_a_software_instance_uid']
+
+  def stepRestoreSoftwareInstanceUidFromBufferB(self, sequence, **kw):
+    sequence['software_instance_uid'] = sequence['buffer_b_software_instance_uid']
+
+  def stepRestoreComputerUidFromBufferA(self, sequence, **kw):
+    sequence['computer_uid'] = sequence['buffer_a_computer_uid']
+
+  def stepRestoreComputerUidFromBufferB(self, sequence, **kw):
+    sequence['computer_uid'] = sequence['buffer_b_computer_uid']
+
   def stepStoreCurrentComputerReferenceBufferA(self, sequence, **kw):
     sequence['buffer_a_computer_reference'] = sequence['computer_reference']
 
   def stepStoreCurrentComputerReferenceBufferB(self, sequence, **kw):
     sequence['buffer_b_computer_reference'] = sequence['computer_reference']
 
+  def stepStoreCurrentComputerPartitionUidBufferA(self, sequence, **kw):
+    sequence['buffer_a_computer_partition_uid'] = sequence['computer_partition_uid']
+
+  def stepStoreCurrentComputerPartitionUidBufferB(self, sequence, **kw):
+    sequence['buffer_b_computer_partition_uid'] = sequence['computer_partition_uid']
+
   def stepStoreCurrentComputerPartitionReferenceBufferA(self, sequence, **kw):
     sequence['buffer_a_computer_partition_reference'] = sequence['computer_partition_reference']
 
@@ -7641,6 +7690,12 @@ class TestVifibSlapWebService(testVifibMixin):
   def stepRestoreComputerReferenceFromBufferB(self, sequence, **kw):
     sequence['computer_reference'] = sequence['buffer_b_computer_reference']
 
+  def stepRestoreComputerPartitionUidFromBufferA(self, sequence, **kw):
+    sequence['computer_partition_uid'] = sequence['buffer_a_computer_partition_uid']
+
+  def stepRestoreComputerPartitionUidFromBufferB(self, sequence, **kw):
+    sequence['computer_partition_uid'] = sequence['buffer_b_computer_partition_uid']
+
   def stepRestoreComputerPartitionReferenceFromBufferA(self, sequence, **kw):
     sequence['computer_partition_reference'] = sequence['buffer_a_computer_partition_reference']
 
@@ -7652,31 +7707,149 @@ class TestVifibSlapWebService(testVifibMixin):
 
     If software instance originated on computer comes from another computer it
     shall be possible to sucesfully destroy it.
+
+    Test is done in a way to trigger unstable Assignor role calculation
+    on Hosting Subscription which leads to unavailability of Software Instances
+    from one computer to another.
     """
     sequence_list = SequenceList()
-    sequence_string = self.prepare_install_requested_computer_partition_sequence_string + \
-      """
+    sequence_string = """
+      # Prepare software release shared by both Computers
+      LoginTestVifibDeveloper
+      SelectNewSoftwareReleaseUri
+      CreateSoftwareRelease
+      Tic
+      SubmitSoftwareRelease
+      Tic
+      CreateSoftwareProduct
+      Tic
+      ValidateSoftwareProduct
+      Tic
+      SetSoftwareProductToSoftwareRelease
+      PublishByActionSoftwareRelease
+      Logout
+
+      # Create first computer
+      LoginTestVifibAdmin
+      CreateComputer
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      FormatComputer
+      Tic
+      SlapLogout
       StoreCurrentComputerReferenceBufferA
+      StoreCurrentComputerUidBufferA
+
+      # Install software on first computer
+      LoginTestVifibAdmin
+      RequestSoftwareInstallation
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      ComputerSoftwareReleaseAvailable
+      Tic
+      SlapLogout
+
+      # Now request and instantiate this software release on first computer
+      LoginTestVifibCustomer
+      PersonRequestSoftwareInstance
+      Tic
+      Logout
+      LoginDefaultUser
+      ConfirmOrderedSaleOrderActiveSense
+      Tic
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
       StoreCurrentComputerPartitionReferenceBufferA
-      """ + \
-      self.prepare_formated_computer + \
-      """
+      StoreCurrentComputerPartitionUidBufferA
+      StoreCurrentSoftwareInstanceUidBufferA
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceSetupSalePackingListConfirmed
+      Logout
+
+      # Start it..
+      SlapLoginCurrentComputer
+      SoftwareInstanceAvailable
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      SetSelectedComputerPartition
+      CheckComputerPartitionInstanceSetupSalePackingListStopped
+      CheckComputerPartitionInstanceHostingSalePackingListConfirmed
+      Logout
+
+      SlapLoginCurrentComputer
+      SoftwareInstanceStarted
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceHostingSalePackingListStarted
+      Logout
+
+      # ...stop it...
+
+      LoginDefaultUser
+      RequestSoftwareInstanceStop
+      Tic
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceHostingSalePackingListStopped
+      Logout
+
+      SlapLoginCurrentComputer
+      SoftwareInstanceStopped
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceHostingSalePackingListDelivered
+      Logout
+
+      # ...and request destruction
+      LoginDefaultUser
+      RequestSoftwareInstanceDestroy
+      Tic
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceCleanupSalePackingListConfirmed
+      Logout
+
+      # Now prepare second computer
+
+      LoginTestVifibAdmin
+      CreateComputer
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      FormatComputer
+      Tic
+      SlapLogout
       StoreCurrentComputerReferenceBufferB
-      StoreCurrentComputerPartitionReferenceBufferB
+      StoreCurrentComputerUidBufferB
 
       LoginTestVifibAdmin
       RequestSoftwareInstallation
       Tic
       Logout
-
       SlapLoginCurrentComputer
       ComputerSoftwareReleaseAvailable
       Tic
       SlapLogout
+      StoreCurrentComputerReferenceBufferB
+      StoreCurrentComputerUidBufferB
 
+      # Now request self software release from one computer to another
       RestoreComputerReferenceFromBufferA
-      RestoreComputerPartitionReferenceFromBufferA
-
+      RestoreComputerUidFromBufferA
+      RestoreSoftwareInstanceUidFromBufferA
       SlapLoginCurrentSoftwareInstance
       RequestComputerPartitionNotReadyResponse
       Tic
@@ -7688,55 +7861,72 @@ class TestVifibSlapWebService(testVifibMixin):
       SlapLogout
 
       LoginDefaultUser
-      CheckSoftwareInstanceAndRelatedComputerPartition
+      CheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck
       CheckRequestedSoftwareInstanceAndRelatedComputerPartition
       Logout
 
-      SlapLoginCurrentSoftwareInstance
-      CheckRequestedComputerPartitionCleanParameterList
-      Logout
-
       LoginDefaultUser
       SetCurrentSoftwareInstanceRequested
       SetSelectedComputerPartition
       SelectCurrentlyUsedSalePackingListUid
       Logout
 
+      SlapLoginCurrentSoftwareInstance
+      CheckRequestedComputerPartitionCleanParameterList
+      Logout
+
+      StoreCurrentComputerPartitionReferenceBufferB
+      StoreCurrentComputerPartitionUidBufferB
+      StoreCurrentSoftwareInstanceUidBufferB
+
       RestoreComputerReferenceFromBufferB
-      RestoreComputerPartitionReferenceFromBufferB
+      RestoreComputerUidFromBufferB
+
+      # Start the requested software instance...
 
       SlapLoginCurrentComputer
-      SoftwareInstanceBuilding
+      SoftwareInstanceAvailable
       Tic
       SlapLogout
 
       LoginDefaultUser
-      CheckComputerPartitionInstanceSetupSalePackingListStarted
+      SetSelectedComputerPartition
+      CheckComputerPartitionInstanceSetupSalePackingListStopped
+      CheckComputerPartitionInstanceHostingSalePackingListConfirmed
       Logout
 
       SlapLoginCurrentComputer
-      SoftwareInstanceAvailable
+      SoftwareInstanceStarted
       Tic
       SlapLogout
 
       LoginDefaultUser
-      CheckComputerPartitionInstanceSetupSalePackingListStopped
-      CheckComputerPartitionInstanceHostingSalePackingListConfirmed
+      CheckComputerPartitionInstanceHostingSalePackingListStarted
+      Logout
+
+      # ...and stop it
+
+      LoginDefaultUser
+      RequestSoftwareInstanceStop
+      Tic
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceHostingSalePackingListStopped
       Logout
 
       SlapLoginCurrentComputer
-      SoftwareInstanceStarted
+      SoftwareInstanceStopped
       Tic
       SlapLogout
 
       LoginDefaultUser
-      CheckComputerPartitionInstanceHostingSalePackingListStarted
-      SetCurrentSoftwareInstanceRequester
-      SetSelectedComputerPartition
-      SelectCurrentlyUsedSalePackingListUid
+      CheckComputerPartitionInstanceHostingSalePackingListDelivered
       Logout
 
-      LoginTestVifibCustomer
+      # Now request destruction of second software instance...
+
+      LoginDefaultUser
       RequestSoftwareInstanceDestroy
       Tic
       Logout
@@ -7745,8 +7935,24 @@ class TestVifibSlapWebService(testVifibMixin):
       CheckComputerPartitionInstanceCleanupSalePackingListConfirmed
       Logout
 
-      RestoreComputerReferenceFromBufferA
+      # ...and destroy it
+
+      SlapLoginCurrentComputer
+      SoftwareInstanceDestroyed
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceCleanupSalePackingListDelivered
+      CheckComputerPartitionIsFree
+      Logout
+
+      # Time to switch back to first software instance and destroy it
       RestoreComputerPartitionReferenceFromBufferA
+      RestoreComputerPartitionUidFromBufferA
+      RestoreSoftwareInstanceUidFromBufferA
+      RestoreComputerReferenceFromBufferA
+      RestoreComputerUidFromBufferA
 
       SlapLoginCurrentComputer
       SoftwareInstanceDestroyed
@@ -7760,15 +7966,741 @@ class TestVifibSlapWebService(testVifibMixin):
       """
     sequence_list.addSequenceString(sequence_string)
     sequence_list.play(self)
+
+  def test_bug_hosting_subscription_assignor_role_instability(self):
+    """Show instability issue of Assignor role on Hosting Subscription
+
+    Related to fact when Hosting Subscription is associated to
+    Software Instances deployed on many computers"""
     raise NotImplementedError
 
+  def test_bug_destruction_with_unfinished_packing_list(self):
+    """Proves that even if some packing lists are not fully delivered
+    it is possible to destroy software instance"""
+    sequence_list = SequenceList()
+    sequence_string = """
+      # Prepare software release
+      LoginTestVifibDeveloper
+      SelectNewSoftwareReleaseUri
+      CreateSoftwareRelease
+      Tic
+      SubmitSoftwareRelease
+      Tic
+      CreateSoftwareProduct
+      Tic
+      ValidateSoftwareProduct
+      Tic
+      SetSoftwareProductToSoftwareRelease
+      PublishByActionSoftwareRelease
+      Logout
+
+      # Create first computer
+      LoginTestVifibAdmin
+      CreateComputer
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      FormatComputer
+      Tic
+      SlapLogout
+      StoreCurrentComputerReferenceBufferA
+      StoreCurrentComputerUidBufferA
+
+      # Install software on first computer
+      LoginTestVifibAdmin
+      RequestSoftwareInstallation
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      ComputerSoftwareReleaseAvailable
+      Tic
+      SlapLogout
+
+      # Now request and instantiate this software release on first computer
+      LoginTestVifibCustomer
+      PersonRequestSoftwareInstance
+      Tic
+      Logout
+      LoginDefaultUser
+      ConfirmOrderedSaleOrderActiveSense
+      Tic
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceSetupSalePackingListConfirmed
+      Logout
+
+      # Request destruction...
+      LoginDefaultUser
+      RequestSoftwareInstanceDestroy
+      Tic
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceCleanupSalePackingListConfirmed
+      Logout
+
+      # ...and destroy it
+
+      SlapLoginCurrentComputer
+      SoftwareInstanceDestroyed
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceCleanupSalePackingListDelivered
+      CheckComputerPartitionIsFree
+      Logout
+      """
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+
+  def stepDirectRequestComputerPartitionRaisesDisconnectedSoftwareTree(self,
+    sequence, **kw):
+    software_instance = self.portal.portal_catalog.getResultValue(
+      uid = sequence['software_instance_uid'])
+    from erp5.document.SoftwareInstance import DisconnectedSoftwareTree
+    self.assertRaises(DisconnectedSoftwareTree,
+      software_instance.requestSoftwareInstance,
+      software_release=sequence['software_release_uri'],
+      software_type=sequence['requested_reference'],
+      partition_reference=sequence['requested_reference'],
+      shared=False,
+      instance_xml=self.minimal_correct_xml,
+      sla_xml=self.minimal_correct_xml,
+      state='started'
+    )
+
+  def test_bug_orhpaned_software_instance(self):
+    """Check that no orphaned Software Instances would be created
+
+    In below scenario system shall behave like mentioned:
+
+      OpenOrder.request(SR, A)  | SR(A)
+      A.request(SR, B)          | SR(A) <- SR(B)
+      B.request(SR, C)          | SR(A) <- SR(B) <- SR(C)
+      C.request(SR, B) raises immediately, because the result would be:
+        SR(A)
+        SR(B) <- SR(C)
+      do B would become root of orphaned tree.
+    """
+    # Setup sufficient amount of CP
+    self.computer_partition_amount = 3
+    sequence_list = SequenceList()
+    sequence_string = """
+      # Prepare software release
+      LoginTestVifibDeveloper
+      SelectNewSoftwareReleaseUri
+      CreateSoftwareRelease
+      Tic
+      SubmitSoftwareRelease
+      Tic
+      CreateSoftwareProduct
+      Tic
+      ValidateSoftwareProduct
+      Tic
+      SetSoftwareProductToSoftwareRelease
+      PublishByActionSoftwareRelease
+      Logout
+
+      # Create the computer
+      LoginTestVifibAdmin
+      CreateComputer
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      FormatComputer
+      Tic
+      SlapLogout
+      StoreCurrentComputerReferenceBufferA
+      StoreCurrentComputerUidBufferA
+
+      # Install the software release
+      LoginTestVifibAdmin
+      RequestSoftwareInstallation
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      ComputerSoftwareReleaseAvailable
+      Tic
+      SlapLogout
+
+      # Create Software Instance A (originates from Open Order)
+      LoginTestVifibCustomer
+      PersonRequestSoftwareInstance
+      Tic
+      Logout
+      LoginDefaultUser
+      ConfirmOrderedSaleOrderActiveSense
+      Tic
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceSetupSalePackingListConfirmed
+      Logout
+
+      # From root request B
+      SelectRequestedReferenceB
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartitionNotReadyResponse
+      Tic
+      SlapLogout
+
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartition
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck
+      CheckRequestedSoftwareInstanceAndRelatedComputerPartition
+      Logout
+
+      LoginDefaultUser
+      SetCurrentSoftwareInstanceRequested
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      SlapLoginCurrentSoftwareInstance
+      CheckRequestedComputerPartitionCleanParameterList
+      Logout
+
+      # From B request C
+      SelectRequestedReferenceC
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartitionNotReadyResponse
+      Tic
+      SlapLogout
+
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartition
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck
+      CheckRequestedSoftwareInstanceAndRelatedComputerPartition
+      Logout
+
+      LoginDefaultUser
+      SetCurrentSoftwareInstanceRequested
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      SlapLoginCurrentSoftwareInstance
+      CheckRequestedComputerPartitionCleanParameterList
+      Logout
+
+      # Try to: from C request B and prove that it raises
+      SelectRequestedReferenceB
+
+      LoginDefaultUser # login as superuser in order to work in erp5
+      DirectRequestComputerPartitionRaisesDisconnectedSoftwareTree
+      """
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+
+  def stepDirectRequestComputerPartitionRaisesCyclicSoftwareTree(self,
+    sequence, **kw):
+    software_instance = self.portal.portal_catalog.getResultValue(
+      uid = sequence['software_instance_uid'])
+    from erp5.document.SoftwareInstance import CyclicSoftwareTree
+    self.assertRaises(CyclicSoftwareTree,
+      software_instance.requestSoftwareInstance,
+      software_release=sequence['software_release_uri'],
+      software_type=sequence['requested_reference'],
+      partition_reference=sequence['requested_reference'],
+      shared=False,
+      instance_xml=self.minimal_correct_xml,
+      sla_xml=self.minimal_correct_xml,
+      state='started'
+    )
+
+  def test_bug_cyclic_software_instance(self):
+    """Check that no cyclic Software Instance trees would be created
+
+    In below scenario system shall behave like mentioned:
+
+      OpenOrder.request(SR, A)  | SR(A)
+      A.request(SR, B)          | SR(A) <- SR(B)
+      B.request(SR, A)          | SR(A) <- SR(B) <- SR(C)
+      C.request(SR, B) raises immediately, because the result would be:
+        SR(A)
+        SR(B) <-> SR(C)
+      so B and C would be cyclic
+    """
+    # Setup sufficient amount of CP
+    self.computer_partition_amount = 3
+    sequence_list = SequenceList()
+    sequence_string = """
+      # Prepare software release
+      LoginTestVifibDeveloper
+      SelectNewSoftwareReleaseUri
+      CreateSoftwareRelease
+      Tic
+      SubmitSoftwareRelease
+      Tic
+      CreateSoftwareProduct
+      Tic
+      ValidateSoftwareProduct
+      Tic
+      SetSoftwareProductToSoftwareRelease
+      PublishByActionSoftwareRelease
+      Logout
+
+      # Create the computer
+      LoginTestVifibAdmin
+      CreateComputer
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      FormatComputer
+      Tic
+      SlapLogout
+      StoreCurrentComputerReferenceBufferA
+      StoreCurrentComputerUidBufferA
+
+      # Install the software release
+      LoginTestVifibAdmin
+      RequestSoftwareInstallation
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      ComputerSoftwareReleaseAvailable
+      Tic
+      SlapLogout
+
+      # Create Software Instance A (originates from Open Order)
+      LoginTestVifibCustomer
+      PersonRequestSoftwareInstance
+      Tic
+      Logout
+      LoginDefaultUser
+      ConfirmOrderedSaleOrderActiveSense
+      Tic
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceSetupSalePackingListConfirmed
+      Logout
+
+      # From root request B
+      SelectRequestedReferenceB
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartitionNotReadyResponse
+      Tic
+      SlapLogout
+
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartition
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck
+      CheckRequestedSoftwareInstanceAndRelatedComputerPartition
+      Logout
+
+      LoginDefaultUser
+      SetCurrentSoftwareInstanceRequested
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      SlapLoginCurrentSoftwareInstance
+      CheckRequestedComputerPartitionCleanParameterList
+      Logout
+
+      # From B request C
+      SelectRequestedReferenceC
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartitionNotReadyResponse
+      Tic
+      SlapLogout
+
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartition
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck
+      CheckRequestedSoftwareInstanceAndRelatedComputerPartition
+      Logout
+
+      LoginDefaultUser
+      SetCurrentSoftwareInstanceRequested
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      SlapLoginCurrentSoftwareInstance
+      CheckRequestedComputerPartitionCleanParameterList
+      Logout
+
+      # Try to: from C request B and prove that it raises
+      SelectRequestedReferenceB
+
+      LoginDefaultUser # login as superuser in order to work in erp5
+      DirectRequestComputerPartitionRaisesCyclicSoftwareTree
+      """
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+
+  def stepDirectRequestComputerPartitionRaisesValueError(self,
+    sequence, **kw):
+    software_instance = self.portal.portal_catalog.getResultValue(
+      uid = sequence['software_instance_uid'])
+    self.assertRaises(ValueError,
+      software_instance.requestSoftwareInstance,
+      software_release=sequence['software_release_uri'],
+      software_type=sequence['requested_reference'],
+      partition_reference=sequence['requested_reference'],
+      shared=False,
+      instance_xml=self.minimal_correct_xml,
+      sla_xml=self.minimal_correct_xml,
+      state='started'
+    )
+
+  def test_bug_cyclic_software_instance_small_tree(self):
+    """Check that no cyclic Software Instance trees would be created
+
+    In below scenario system shall behave like mentioned:
+
+      OpenOrder.request(SR, A)  | SR(A)
+      A.request(SR, B)          | SR(A) <- SR(B)
+      B.request(SR, A) raises immediately, because the result would be:
+        SR(A) <-> SR(B)
+      so B and A would be cyclic
+    """
+    # Setup sufficient amount of CP
+    self.computer_partition_amount = 2
+    sequence_list = SequenceList()
+    sequence_string = """
+      # Prepare software release
+      LoginTestVifibDeveloper
+      SelectNewSoftwareReleaseUri
+      CreateSoftwareRelease
+      Tic
+      SubmitSoftwareRelease
+      Tic
+      CreateSoftwareProduct
+      Tic
+      ValidateSoftwareProduct
+      Tic
+      SetSoftwareProductToSoftwareRelease
+      PublishByActionSoftwareRelease
+      Logout
+
+      # Create the computer
+      LoginTestVifibAdmin
+      CreateComputer
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      FormatComputer
+      Tic
+      SlapLogout
+      StoreCurrentComputerReferenceBufferA
+      StoreCurrentComputerUidBufferA
+
+      # Install the software release
+      LoginTestVifibAdmin
+      RequestSoftwareInstallation
+      Tic
+      Logout
+      SlapLoginCurrentComputer
+      ComputerSoftwareReleaseAvailable
+      Tic
+      SlapLogout
+
+      # Create Software Instance A (originates from Open Order)
+      LoginTestVifibCustomer
+      PersonRequestSoftwareInstance
+      Tic
+      Logout
+      LoginDefaultUser
+      ConfirmOrderedSaleOrderActiveSense
+      Tic
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      LoginDefaultUser
+      CheckComputerPartitionInstanceSetupSalePackingListConfirmed
+      Logout
+
+      # From root request B
+      SelectRequestedReferenceB
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartitionNotReadyResponse
+      Tic
+      SlapLogout
+
+      SlapLoginCurrentSoftwareInstance
+      RequestComputerPartition
+      Tic
+      SlapLogout
+
+      LoginDefaultUser
+      CheckSoftwareInstanceAndRelatedComputerPartitionNoPackingListCheck
+      CheckRequestedSoftwareInstanceAndRelatedComputerPartition
+      Logout
+
+      LoginDefaultUser
+      SetCurrentSoftwareInstanceRequested
+      SetSelectedComputerPartition
+      SelectCurrentlyUsedSalePackingListUid
+      Logout
+
+      SlapLoginCurrentSoftwareInstance
+      CheckRequestedComputerPartitionCleanParameterList
+      Logout
+
+      # Try to: From B request root
+      SelectRequestedReferenceRootSoftwareInstanceTitle
+
+      LoginDefaultUser # login as superuser in order to work in erp5
+      DirectRequestComputerPartitionRaisesValueError
+      """
+    sequence_list.addSequenceString(sequence_string)
+    sequence_list.play(self)
+
+  ########################################
+  # Software Instance graph helpers
+  ########################################
+
+  def _test_si_tree(self):
+    software_instance = self.portal.software_instance_module.newContent(
+      portal_type='Software Instance')
+    self.checkConnected = software_instance.checkConnected
+    self.checkNotCyclic = software_instance.checkNotCyclic
+
+  def test_si_tree_simple_connected(self):
+    """Graph of one element is connected
+
+    A
+    """
+    self._test_si_tree()
+    graph = {'A': []}
+    root = 'A'
+    self.assertEqual(True, self.checkConnected(graph, root))
+
+  def test_si_tree_simple_list_connected(self):
+    """Graph of list is connected
+
+    B->C->A
+    """
+    self._test_si_tree()
+    graph = {'A': [], 'B': ['C'], 'C': ['A']}
+    root = 'B'
+    self.assertEqual(True, self.checkConnected(graph, root))
+
+  def test_si_tree_complex_connected(self):
+    """Tree is connected
+
+    B --> A
+      \-> C --> D
+            \-> E --> F
+    """
+    self._test_si_tree()
+    graph = {
+      'A': [],
+      'B': ['A', 'C'],
+      'C': ['D', 'E'],
+      'D': [],
+      'E': ['F'],
+      'F': [],
+    }
+    root = 'B'
+    self.assertEqual(True, self.checkConnected(graph, root))
+
+  def test_si_tree_simple_list_disconnected(self):
+    """Two lists are disconnected
+
+    A->B
+    C
+    """
+    self._test_si_tree()
+    graph = {'A': ['B'], 'B': [], 'C': []}
+    root = 'A'
+    from erp5.document.SoftwareInstance import DisconnectedSoftwareTree
+    self.assertRaises(DisconnectedSoftwareTree, self.checkConnected, graph,
+      root)
+
+  # For now limitation of implementation gives false positive
+  @expectedFailure
+  def test_si_tree_cyclic_connected(self):
+    """Cyclic is connected
+
+    A<->B
+    """
+    self._test_si_tree()
+    graph = {'A': ['B'], 'B': ['A']}
+    root = 'B'
+    self.assertEqual(True, self.checkConnected(graph, root))
+
+  def test_si_tree_cyclic_disconnected(self):
+    """Two trees, where one is cyclic are disconnected
+
+    B --> A
+      \-> H
+    C --> D --> G
+    ^ \-> E --> F \
+     \------------/
+    """
+    self._test_si_tree()
+    graph = {
+      'A': [],
+      'B': ['A', 'H'],
+      'C': ['D', 'E'],
+      'D': ['G'],
+      'E': ['F'],
+      'F': ['C'],
+      'G': [],
+      'H': [],
+    }
+    root = 'B'
+    from erp5.document.SoftwareInstance import DisconnectedSoftwareTree
+    self.assertRaises(DisconnectedSoftwareTree, self.checkConnected, graph,
+      root)
+
+  def test_si_tree_simple_not_cyclic(self):
+    """Graph of one element is not cyclic
+
+    A
+    """
+    self._test_si_tree()
+    graph = {'A': []}
+    self.assertEqual(True, self.checkNotCyclic(graph))
+
+  def test_si_tree_simple_list_not_cyclic(self):
+    """Graph of list is not cyclic
+
+    B->C->A
+    """
+    self._test_si_tree()
+    graph = {'A': [], 'B': ['C'], 'C': ['A']}
+    self.assertEqual(True, self.checkNotCyclic(graph))
+
+  def test_si_tree_simple_list_cyclic(self):
+    """Graph of cyclic list is cyclic
+
+    B->C->A-\
+    ^-------/
+    """
+    self._test_si_tree()
+    graph = {'A': ['B'], 'B': ['C'], 'C': ['A']}
+    from erp5.document.SoftwareInstance import CyclicSoftwareTree
+    self.assertRaises(CyclicSoftwareTree, self.checkNotCyclic, graph)
+
+  def test_si_tree_simple_list_cyclic_non_root(self):
+    """Graph of cyclic list is cyclic
+
+    B->C->D->A-\
+       ^-------/
+    """
+    self._test_si_tree()
+    graph = {'A': ['C'], 'B': ['C'], 'C': ['D'], 'D': ['A']}
+    from erp5.document.SoftwareInstance import CyclicSoftwareTree
+    self.assertRaises(CyclicSoftwareTree, self.checkNotCyclic, graph)
+
+  def test_si_tree_complex_not_cyclic(self):
+    """Tree is not cyclic
+
+    B --> A
+      \-> C --> D
+            \-> E --> F
+    """
+    self._test_si_tree()
+    graph = {
+      'A': [],
+      'B': ['A', 'C'],
+      'C': ['D', 'E'],
+      'D': [],
+      'E': ['F'],
+      'F': [],
+    }
+    self.assertEqual(True, self.checkNotCyclic(graph))
+
+  def test_si_tree_complex_cyclic(self):
+    """Tree is not cyclic
+
+    B --> A
+      \-> C --> D
+          ^ \-> E --> F -\
+           \-------------/
+    """
+    self._test_si_tree()
+    graph = {
+      'A': [],
+      'B': ['A', 'C'],
+      'C': ['D', 'E'],
+      'D': [],
+      'E': ['F'],
+      'F': ['C'],
+    }
+    from erp5.document.SoftwareInstance import CyclicSoftwareTree
+    self.assertRaises(CyclicSoftwareTree, self.checkNotCyclic, graph)
+
+  def test_si_tree_simple_list_disconnected_not_cyclic(self):
+    """Two lists are disconnected
+
+    A->B
+    C
+    """
+    self._test_si_tree()
+    graph = {'A': ['B'], 'B': [], 'C': []}
+    self.assertEqual(True, self.checkNotCyclic(graph))
+
+  def test_si_tree_cyclic(self):
+    """Cyclic is connected
+
+    A<->B
+    """
+    self._test_si_tree()
+    graph = {'A': ['B'], 'B': ['A']}
+    from erp5.document.SoftwareInstance import CyclicSoftwareTree
+    self.assertRaises(CyclicSoftwareTree, self.checkNotCyclic, graph)
+
+  def test_si_tree_cyclic_disconnected_cyclic(self):
+    """Two trees, where one is cyclic are disconnected
+
+    B --> A
+      \-> H
+    C --> D --> G
+    ^ \-> E --> F \
+     \------------/
+    """
+    self._test_si_tree()
+    graph = {
+      'A': [],
+      'B': ['A', 'H'],
+      'C': ['D', 'E'],
+      'D': ['G'],
+      'E': ['F'],
+      'F': ['C'],
+      'G': [],
+      'H': ['A'],
+    }
+    from erp5.document.SoftwareInstance import CyclicSoftwareTree
+    self.assertRaises(CyclicSoftwareTree, self.checkNotCyclic, graph)
+
   ########################################
   # Other tests
   ########################################
 
   def stepRequestCredentialFromWebSite(self, sequence, **kw):
     sequence['web_user'] = '%s.%s' % (self.id(), random())
-    result = self.portal.ERP5Site_newCredentialRequest(\
+    self.portal.ERP5Site_newCredentialRequest(\
         first_name='Homer',
         last_name='Simpson',
         reference=sequence['web_user'],

slapos/grid/slapgrid.py

@@ -35,6 +35,7 @@ if sys.version_info < (2, 6):
 import socket
 import subprocess
 import traceback
+import time
 #from time import strftime
 
 from SlapObject import Software, Partition, WrongPermissionError, \
@@ -106,6 +107,9 @@ def parseArgumentTupleAndReturnSlapgridObject(*argument_tuple):
       help="Enables console output and live output from subcommands.")
   parser.add_argument("-v", "--verbose", action="store_true", default=False,
       help="Be verbose.")
+  parser.add_argument("--promise-timeout",
+                      type=int, default=3,
+                      help="Promise timeout in seconds.")
   parser.add_argument("configuration_file", nargs=1, type=argparse.FileType(),
       help="SlapOS configuration file.")
 
@@ -210,7 +214,8 @@ def parseArgumentTupleAndReturnSlapgridObject(*argument_tuple):
             upload_cache_url=option_dict.get('upload-cache-url', None),
             upload_dir_url=option_dict.get('upload-dir-url', None),
             console=option_dict['console'],
-            buildout=option_dict.get('buildout')),
+            buildout=option_dict.get('buildout'),
+            promise_timeout=option_dict['promise_timeout']),
           option_dict])
 
 
@@ -282,7 +287,8 @@ class Slapgrid(object):
                upload_dir_url=None,
                master_ca_file=None,
                certificate_repository_path=None,
-               console=False):
+               console=False,
+               promise_timeout=3):
     """Makes easy initialisation of class parameters"""
     # Parses arguments
     self.software_root = os.path.abspath(software_root)
@@ -312,6 +318,7 @@ class Slapgrid(object):
         os.path.join(self.instance_etc_directory, 'supervisord.conf.d')
     self.console = console
     self.buildout = buildout
+    self.promise_timeout = promise_timeout
 
   def checkEnvironmentAndCreateStructure(self):
     """Checks for software_root and instance_root existence, then creates
@@ -473,6 +480,53 @@ class Slapgrid(object):
         exception = traceback.format_exc()
         logger.error(exception)
         computer_partition.error(exception)
+
+      # Promises
+
+      instance_path = os.path.join(self.instance_root,
+          computer_partition.getId())
+
+      uid, gid = None, None
+      stat_info = os.stat(instance_path)
+
+      #stat sys call to get statistics informations
+      uid = stat_info.st_uid
+      gid = stat_info.st_gid
+
+      # Get the list of promises
+      promise_dir = os.path.join(instance_path, 'etc', 'promise')
+      if os.path.exists(promise_dir) and os.path.isdir(promise_dir):
+        cwd = instance_path
+        promises_list = os.listdir(promise_dir)
+
+        # Check whether every promise is kept
+        for promise in promises_list:
+
+          command = os.path.join(promise_dir, promise)
+
+          kw = dict()
+          if not self.console:
+            kw.update(stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+          process_handler = SlapPopen(command,
+            preexec_fn=lambda: dropPrivileges(uid, gid),
+            cwd=cwd,
+            env=None, **kw)
+
+          time.sleep(self.promise_timeout)
+
+          promise = os.path.basename(command)
+
+          if process_handler.poll() is None:
+            process_handler.kill()
+            computer_partition.error("The promise %r timed out" % promise)
+          elif process_handler.poll() != 0:
+            stderr = process_handler.communicate()[1]
+            if stderr is None:
+              stderr = 'No error output from %r.' % promise
+            computer_partition.error(stderr)
+
+
     logger.info("Finished computer partitions...")
     return clean_run
 

slapos/tests/mock/httplib.py

@@ -3,8 +3,6 @@
 """Mocked httplib
 """
 
-from urlparse import urlparse
-
 __all__ = []
 
 def log(message):
@@ -21,13 +19,13 @@ class HTTPConnection(object):
     HTTPConnection._callback.  This method received the instance, the path,
     method and request body as parameter, and it has to return a tuple with
     headers dictionary and body response string.
-    
+
     @param self object instance reference
     @param URL the parsed URL
     @param method the http method
     @param body the request body
     @param headers the request headers
-    
+
     @return tuple containing status integer, headers dictionary and body
     response"""
     return (0, {}, '', )
@@ -83,7 +81,6 @@ class HTTPSConnection(HTTPConnection):
                source_address=None):
     super().__init__(self, host, port, strict, timeout,
                      source_address)
-    pass
 
 class HTTPResponse(object):
 

slapos/tests/slapgrid.py

@@ -6,7 +6,9 @@ import shutil
 import signal
 import slapos.slap.slap
 import socket
+import sys
 import tempfile
+import time
 import unittest
 import urlparse
 import xml_marshaller
@@ -34,6 +36,15 @@ class BasicMixin:
       self.buildout)
 
   def tearDown(self):
+    # XXX: Hardcoded pid, as it is not configurable in slapos
+    svc = os.path.join(self.instance_root, 'var', 'run', 'supervisord.pid')
+    if os.path.exists(svc):
+      try:
+        pid = int(open(svc).read().strip())
+      except ValueError:
+        pass
+      else:
+        os.kill(pid, signal.SIGTERM)
     shutil.rmtree(self._tempdir, True)
 
 class TestBasicSlapgridCP(BasicMixin, unittest.TestCase):
@@ -68,21 +79,51 @@ class MasterMixin(BasicMixin):
       setattr(httplib, name, original_value)
     del self.saved_httplib
 
+  def _mock_sleep(self):
+    self.fake_waiting_time = None
+    self.real_sleep = time.sleep
+
+    def mocked_sleep(secs):
+      if self.fake_waiting_time is not None:
+        secs = self.fake_waiting_time
+      self.real_sleep(secs)
+
+    time.sleep = mocked_sleep
+
+  def _unmock_sleep(self):
+    time.sleep = self.real_sleep
+
+  def _create_instance(self, name=0):
+
+    if not os.path.isdir(self.instance_root):
+      os.mkdir(self.instance_root)
+
+    partition_path = os.path.join(self.instance_root, str(name))
+    os.mkdir(partition_path, 0750)
+    return partition_path
+
+  def _bootstrap(self):
+    os.mkdir(self.software_root)
+    software_hash = slapos.grid.utils.getSoftwareUrlHash('http://sr/')
+    srdir = os.path.join(self.software_root, software_hash)
+    os.mkdir(srdir)
+    open(os.path.join(srdir, 'template.cfg'), 'w').write(
+      """[buildout]""")
+    srbindir = os.path.join(srdir, 'bin')
+    os.mkdir(srbindir)
+    open(os.path.join(srbindir, 'buildout'), 'w').write("""#!/bin/sh
+touch worked""")
+    os.chmod(os.path.join(srbindir, 'buildout'), 0755)
+    return software_hash
+
   def setUp(self):
     self._patchHttplib()
+    self._mock_sleep()
     BasicMixin.setUp(self)
 
   def tearDown(self):
     self._unpatchHttplib()
-    # XXX: Hardcoded pid, as it is not configurable in slapos
-    svc = os.path.join(self.instance_root, 'var', 'run', 'supervisord.pid')
-    if os.path.exists(svc):
-      try:
-        pid = int(open(svc).read().strip())
-      except ValueError:
-        pass
-      else:
-        os.kill(pid, signal.SIGTERM)
+    self._unmock_sleep()
     BasicMixin.tearDown(self)
 
 class TestSlapgridCPWithMaster(MasterMixin, unittest.TestCase):
@@ -111,9 +152,9 @@ class TestSlapgridCPWithMaster(MasterMixin, unittest.TestCase):
   def test_one_partition(self):
 
     def server_response(self, path, method, body, header):
-      parsed_url = urlparse.urlparse('/' + path)
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
       parsed_qs = urlparse.parse_qs(parsed_url.query)
-      if parsed_url.path == '/getComputerInformation' and \
+      if parsed_url.path == 'getComputerInformation' and \
          'computer_id' in parsed_qs:
         slap_computer = slapos.slap.Computer(parsed_qs['computer_id'])
         slap_computer._software_release_list = []
@@ -147,8 +188,258 @@ touch worked""")
     self.assertTrue(self.grid.processComputerPartitionList())
     self.assertSortedListEqual(os.listdir(self.instance_root), ['0', 'etc',
       'var'])
+    partition = os.path.join(self.instance_root, '0')
+    self.assertSortedListEqual(os.listdir(partition), ['worked',
+      'buildout.cfg'])
+    self.assertSortedListEqual(os.listdir(self.software_root),
+      [software_hash])
+
+  def test_one_partition_started(self):
+
+    def server_response(self, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+      parsed_qs = urlparse.parse_qs(parsed_url.query)
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'started'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    os.mkdir(self.software_root)
+    os.mkdir(self.instance_root)
+    partition_path = os.path.join(self.instance_root, '0')
+    os.mkdir(partition_path, 0750)
+    software_hash = slapos.grid.utils.getSoftwareUrlHash('http://sr/')
+    srdir = os.path.join(self.software_root, software_hash)
+    os.mkdir(srdir)
+    open(os.path.join(srdir, 'template.cfg'), 'w').write(
+      """[buildout]""")
+    srbindir = os.path.join(srdir, 'bin')
+    os.mkdir(srbindir)
+    open(os.path.join(srbindir, 'buildout'), 'w').write("""#!/bin/sh
+touch worked &&
+mkdir -p etc/run &&
+echo "#!/bin/sh" > etc/run/wrapper &&
+echo "while :; do echo "Working\\nWorking\\n" ; done" >> etc/run/wrapper &&
+chmod 755 etc/run/wrapper
+""")
+    os.chmod(os.path.join(srbindir, 'buildout'), 0755)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertSortedListEqual(os.listdir(self.instance_root), ['0', 'etc',
+      'var'])
+    self.assertSortedListEqual(os.listdir(partition_path), ['.0_wrapper.log',
+      'worked', 'buildout.cfg', 'etc'])
+    tries = 10
+    wrapper_log = os.path.join(partition_path, '.0_wrapper.log')
+    while tries > 0:
+      tries -= 1
+      if os.path.getsize(wrapper_log) > 0:
+        break
+      time.sleep(0.2)
+    self.assertTrue('Working' in open(wrapper_log, 'r').read())
+    self.assertSortedListEqual(os.listdir(self.software_root),
+      [software_hash])
+
+  def test_one_partition_started_stopped(self):
+
+    def server_response(self, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+      parsed_qs = urlparse.parse_qs(parsed_url.query)
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'started'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    os.mkdir(self.software_root)
+    os.mkdir(self.instance_root)
+    partition_path = os.path.join(self.instance_root, '0')
+    os.mkdir(partition_path, 0750)
+    software_hash = slapos.grid.utils.getSoftwareUrlHash('http://sr/')
+    srdir = os.path.join(self.software_root, software_hash)
+    os.mkdir(srdir)
+    open(os.path.join(srdir, 'template.cfg'), 'w').write(
+      """[buildout]""")
+    srbindir = os.path.join(srdir, 'bin')
+    os.mkdir(srbindir)
+    open(os.path.join(srbindir, 'buildout'), 'w').write("""#!/bin/sh
+touch worked &&
+mkdir -p etc/run &&
+(
+cat <<'HEREDOC'
+#!%(python)s
+import signal
+def handler(signum, frame):
+  print 'Signal handler called with signal', signum
+  raise SystemExit
+signal.signal(signal.SIGTERM, handler)
+
+while True:
+  print "Working"
+HEREDOC
+)> etc/run/wrapper &&
+chmod 755 etc/run/wrapper
+""" % dict(python = sys.executable))
+    os.chmod(os.path.join(srbindir, 'buildout'), 0755)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertSortedListEqual(os.listdir(self.instance_root), ['0', 'etc',
+      'var'])
+    self.assertSortedListEqual(os.listdir(partition_path), ['.0_wrapper.log',
+      'worked', 'buildout.cfg', 'etc'])
+    wrapper_log = os.path.join(partition_path, '.0_wrapper.log')
+    tries = 10
+    while tries > 0:
+      tries -= 1
+      if os.path.getsize(wrapper_log) > 0:
+        break
+      time.sleep(0.2)
+    last_size = os.path.getsize(wrapper_log)
+    self.assertTrue('Working' in open(wrapper_log, 'r').read())
+    self.assertSortedListEqual(os.listdir(self.software_root),
+      [software_hash])
+
+    def server_response(self, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+      parsed_qs = urlparse.parse_qs(parsed_url.query)
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      else:
+        return (404, {}, '')
+    httplib.HTTPConnection._callback = server_response
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertSortedListEqual(os.listdir(self.instance_root), ['0', 'etc',
+      'var'])
+    self.assertSortedListEqual(os.listdir(partition_path), ['.0_wrapper.log',
+      '.0_wrapper.log.1', 'worked', 'buildout.cfg', 'etc'])
+    tries = 10
+    expected_text = 'Signal handler called with signal 15'
+    while tries > 0:
+      tries -= 1
+      found = expected_text in open(wrapper_log, 'r').read()
+      if found:
+        break
+      time.sleep(0.2)
+    self.assertTrue(found)
+
+  def test_one_partition_stopped_started(self):
+
+    def server_response(self, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+      parsed_qs = urlparse.parse_qs(parsed_url.query)
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    os.mkdir(self.software_root)
+    os.mkdir(self.instance_root)
+    partition_path = os.path.join(self.instance_root, '0')
+    os.mkdir(partition_path, 0750)
+    software_hash = slapos.grid.utils.getSoftwareUrlHash('http://sr/')
+    srdir = os.path.join(self.software_root, software_hash)
+    os.mkdir(srdir)
+    open(os.path.join(srdir, 'template.cfg'), 'w').write(
+      """[buildout]""")
+    srbindir = os.path.join(srdir, 'bin')
+    os.mkdir(srbindir)
+    open(os.path.join(srbindir, 'buildout'), 'w').write("""#!/bin/sh
+touch worked &&
+mkdir -p etc/run &&
+echo "#!/bin/sh" > etc/run/wrapper &&
+echo "while :; do echo "Working\\nWorking\\n" ; done" >> etc/run/wrapper &&
+chmod 755 etc/run/wrapper
+""")
+    os.chmod(os.path.join(srbindir, 'buildout'), 0755)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertSortedListEqual(os.listdir(self.instance_root), ['0', 'etc',
+      'var'])
+    partition = os.path.join(self.instance_root, '0')
+    self.assertSortedListEqual(os.listdir(partition), ['worked', 'etc',
+      'buildout.cfg'])
+    self.assertSortedListEqual(os.listdir(self.software_root),
+      [software_hash])
+
+    def server_response(self, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+      parsed_qs = urlparse.parse_qs(parsed_url.query)
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'started'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertSortedListEqual(os.listdir(self.instance_root), ['0', 'etc',
+      'var'])
+    partition = os.path.join(self.instance_root, '0')
+    self.assertSortedListEqual(os.listdir(partition), ['.0_wrapper.log',
+      'worked', 'etc', 'buildout.cfg'])
     self.assertSortedListEqual(os.listdir(self.software_root),
       [software_hash])
+    tries = 10
+    wrapper_log = os.path.join(partition_path, '.0_wrapper.log')
+    while tries > 0:
+      tries -= 1
+      if os.path.getsize(wrapper_log) > 0:
+        break
+      time.sleep(0.2)
+    self.assertTrue('Working' in open(wrapper_log, 'r').read())
 
 class TestSlapgridArgumentTuple(unittest.TestCase):
   """
@@ -231,3 +522,409 @@ buildout = /path/to/buildout/binary
     slapgrid_object = parser(*argument_tuple)[0]
     self.assertEquals(self.signature_key_file_descriptor.name,
                           slapgrid_object.signature_private_key_file)
+
+class TestSlapgridCPWithMasterPromise(MasterMixin, unittest.TestCase):
+  def test_one_failing_promise(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error = True
+        self.assertEqual(parsed_qs['computer_partition_id'][0], '0')
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.2
+    self.error = False
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+    fail = os.path.join(promise_path, 'fail')
+    worked_file = os.path.join(instance_path, 'fail_worked')
+    with open(fail, 'w') as f:
+      f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+exit 127""" % {'worked_file': worked_file})
+    os.chmod(fail, 0777)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertTrue(os.path.isfile(worked_file))
+
+    self.assertTrue(self.error)
+
+  def test_one_succeeding_promise(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error = True
+        raise AssertionError('ComputerPartition.error was raised')
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.2
+    self.error = False
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+    succeed = os.path.join(promise_path, 'succeed')
+    worked_file = os.path.join(instance_path, 'succeed_worked')
+    with open(succeed, 'w') as f:
+      f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+exit 0""" % {'worked_file': worked_file})
+    os.chmod(succeed, 0777)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertTrue(os.path.isfile(worked_file))
+
+    self.assertFalse(self.error)
+
+  def test_stderr_has_been_sent(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error = True
+        self.assertEqual(parsed_qs['computer_partition_id'][0], '0')
+        # XXX: Hardcoded dropPrivileges line ignore
+        self.error_log = '\n'.join([line for line in parsed_qs['error_log'][0].splitlines()
+                               if 'dropPrivileges' not in line])
+        # end XXX
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.5
+    self.error = False
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+    succeed = os.path.join(promise_path, 'stderr_writer')
+    worked_file = os.path.join(instance_path, 'stderr_worked')
+    with open(succeed, 'w') as f:
+      f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+echo -n Error 1>&2
+exit 127""" % {'worked_file': worked_file})
+    os.chmod(succeed, 0777)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertTrue(os.path.isfile(worked_file))
+
+    self.assertEqual(self.error_log, 'Error')
+    self.assertTrue(self.error)
+
+  def test_timeout_works(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error = True
+        self.assertEqual(parsed_qs['computer_partition_id'][0], '0')
+        # XXX: Hardcoded dropPrivileges line ignore
+        error_log = '\n'.join([line for line in parsed_qs['error_log'][0].splitlines()
+                               if 'dropPrivileges' not in line])
+        # end XXX
+        self.assertEqual(error_log, 'The promise %r timed out' % 'timed_out_promise')
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.2
+    self.error = False
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+    succeed = os.path.join(promise_path, 'timed_out_promise')
+    worked_file = os.path.join(instance_path, 'timed_out_worked')
+    with open(succeed, 'w') as f:
+      f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+sleep 5
+exit 0""" % {'worked_file': worked_file})
+    os.chmod(succeed, 0777)
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertTrue(os.path.isfile(worked_file))
+
+    self.assertTrue(self.error)
+
+  def test_two_succeeding_promises(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error = True
+        raise AssertionError('ComputerPartition.error was raised')
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.2
+    self.error = False
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+
+    succeed = os.path.join(promise_path, 'succeed')
+    worked_file = os.path.join(instance_path, 'succeed_worked')
+    with open(succeed, 'w') as f:
+      f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+exit 0""" % {'worked_file': worked_file})
+    os.chmod(succeed, 0777)
+
+    succeed_2 = os.path.join(promise_path, 'succeed_2')
+    worked_file_2 = os.path.join(instance_path, 'succeed_2_worked')
+    with open(succeed_2, 'w') as f:
+      f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+exit 0""" % {'worked_file': worked_file_2})
+    os.chmod(succeed_2, 0777)
+
+    self.assertTrue(self.grid.processComputerPartitionList())
+    self.assertTrue(os.path.isfile(worked_file))
+    self.assertTrue(os.path.isfile(worked_file_2))
+
+    self.assertFalse(self.error)
+
+  def test_one_succeeding_one_failing_promises(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error += 1
+        self.assertEqual(parsed_qs['computer_partition_id'][0], '0')
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.2
+    self.error = 0
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+
+    promises_files = []
+    for i in range(2):
+      promise = os.path.join(promise_path, 'promise_%d')
+      promises_files.append(promise)
+      worked_file = os.path.join(instance_path, 'promise_worked_%d')
+      lockfile = os.path.join(instance_path, 'lock')
+      with open(promise, 'w') as f:
+        f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+[[ ! -f "%(lockfile)s" ]] || { touch "%(lockfile)s" ; exit 127 }
+exit 0""" % {'worked_file': worked_file, 'lockfile': lockfile})
+      os.chmod(promise, 0777)
+
+
+    self.assertTrue(self.grid.processComputerPartitionList())
+    for file_ in promises_files:
+      self.assertTrue(os.path.isfile(file_))
+
+    self.assertEquals(self.error, 1)
+
+  def test_one_succeeding_one_timing_out_promises(self):
+
+    def server_response(self_httplib, path, method, body, header):
+      parsed_url = urlparse.urlparse(path.lstrip('/'))
+
+      if method == 'GET':
+        parsed_qs = urlparse.parse_qs(parsed_url.query)
+      else:
+        parsed_qs = urlparse.parse_qs(body)
+
+      if parsed_url.path == 'getComputerInformation' and \
+         'computer_id' in parsed_qs:
+        slap_computer = slapos.slap.Computer(parsed_qs['computer_id'][0])
+        slap_computer._software_release_list = []
+        partition = slapos.slap.ComputerPartition(parsed_qs['computer_id'][0],
+            '0')
+        partition._need_modification = True
+        sr = slapos.slap.SoftwareRelease()
+        sr._software_release = 'http://sr/'
+        partition._software_release_document = sr
+        partition._requested_state = 'stopped'
+        slap_computer._computer_partition_list = [partition]
+        return (200, {}, xml_marshaller.xml_marshaller.dumps(slap_computer))
+      if parsed_url.path == 'softwareInstanceError' and \
+         method == 'POST' and 'computer_partition_id' in parsed_qs:
+        self.error += 1
+        self.assertEqual(parsed_qs['computer_partition_id'][0], '0')
+        return (200, {}, '')
+      else:
+        return (404, {}, '')
+
+    httplib.HTTPConnection._callback = server_response
+    self.fake_waiting_time = 0.2
+    self.error = 0
+
+    instance_path = self._create_instance('0')
+    software_hash = self._bootstrap()
+
+    promise_path = os.path.join(instance_path, 'etc', 'promise')
+    os.makedirs(promise_path)
+
+    promises_files = []
+    for i in range(2):
+      promise = os.path.join(promise_path, 'promise_%d')
+      promises_files.append(promise)
+      worked_file = os.path.join(instance_path, 'promise_worked_%d')
+      lockfile = os.path.join(instance_path, 'lock')
+      with open(promise, 'w') as f:
+        f.write("""#!/usr/bin/env sh
+touch "%(worked_file)s"
+[[ ! -f "%(lockfile)s" ]] || { touch "%(lockfile)s" ; sleep 5 }
+exit 0""" % {'worked_file': worked_file, 'lockfile': lockfile})
+      os.chmod(promise, 0777)
+
+
+    self.assertTrue(self.grid.processComputerPartitionList())
+    for file_ in promises_files:
+      self.assertTrue(os.path.isfile(file_))
+
+    self.assertEquals(self.error, 1)