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Fix "Creating multiple IOU nodes at once assigns the same application id". Fixes #1239.

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grossmj 2018-01-15 18:09:05 +07:00
parent 30e8949985
commit e5e2b7a8ac
3 changed files with 28 additions and 23 deletions
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1
README.md
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@ -1 +0,0 @@
# macos-build-test

1
gns3server/compute/iou/iou_vm.py
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@ -1142,6 +1142,7 @@ class IOUVM(BaseNode):
:returns: integer between 1 and 512
"""
if self._application_id is None:
#FIXME: is this necessary? application ID is allocated by controller and should not be None
return self._manager.get_application_id(self.id)
return self._application_id

49
gns3server/controller/project.py
View File

@ -86,6 +86,7 @@ class Project:
self._show_grid = show_grid
self._show_interface_labels = show_interface_labels
self._loading = False
self._add_node_lock = asyncio.Lock()
# Disallow overwrite of existing project
if project_id is None and path is not None:
@ -438,30 +439,34 @@ class Project:
if node_id in self._nodes:
return self._nodes[node_id]
if node_type == "iou" and 'application_id' not in kwargs.keys():
kwargs['application_id'] = get_next_application_id(self._nodes.values())
with (yield from self._add_node_lock):
# wait for a node to be completely created before adding a new one
# this is important otherwise we allocate the same application ID
# when creating multiple IOU node at the same time
if node_type == "iou" and 'application_id' not in kwargs.keys():
kwargs['application_id'] = get_next_application_id(self._nodes.values())
node = Node(self, compute, name, node_id=node_id, node_type=node_type, **kwargs)
if compute not in self._project_created_on_compute:
# For a local server we send the project path
if compute.id == "local":
yield from compute.post("/projects", data={
"name": self._name,
"project_id": self._id,
"path": self._path
})
else:
yield from compute.post("/projects", data={
"name": self._name,
"project_id": self._id,
})
node = Node(self, compute, name, node_id=node_id, node_type=node_type, **kwargs)
if compute not in self._project_created_on_compute:
# For a local server we send the project path
if compute.id == "local":
yield from compute.post("/projects", data={
"name": self._name,
"project_id": self._id,
"path": self._path
})
else:
yield from compute.post("/projects", data={
"name": self._name,
"project_id": self._id,
})
self._project_created_on_compute.add(compute)
yield from node.create()
self._nodes[node.id] = node
self.controller.notification.emit("node.created", node.__json__())
if dump:
self.dump()
self._project_created_on_compute.add(compute)
yield from node.create()
self._nodes[node.id] = node
self.controller.notification.emit("node.created", node.__json__())
if dump:
self.dump()
return node
@locked_coroutine