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daemon: moved node instantiation into lock to guarantee id uniqueness, removed node count from environment as it also attmpts to use lock and wouldnt be accurate either

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This commit is contained in:
Blake Harnden 2020-06-13 23:50:08 -07:00
parent d94bae6b42
commit 8587da0621
1 changed files with 1 additions and 2 deletions
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3
daemon/core/emulator/session.py
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@ -998,7 +998,6 @@ class Session:
env["SESSION_NAME"] = str(self.name)
env["SESSION_FILENAME"] = str(self.file_name)
env["SESSION_USER"] = str(self.user)
env["SESSION_NODE_COUNT"] = str(self.get_node_count())
if state:
env["SESSION_STATE"] = str(self.state)
# attempt to read and add environment config file
@ -1067,8 +1066,8 @@ class Session:
:return: the created node instance
:raises core.CoreError: when id of the node to create already exists
"""
node = _class(self, *args, **kwargs)
with self.nodes_lock:
node = _class(self, *args, **kwargs)
if node.id in self.nodes:
node.shutdown()
raise CoreError(f"duplicate node id {node.id} for {node.name}")