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Use console port to allocate guest CID (console ID) for Qemu VMs. Fixes #2804

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This commit is contained in:
grossmj 2019-06-05 11:25:35 +02:00
parent 9cce4de190
commit 61c87e57a4
2 changed files with 26 additions and 9 deletions
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19
gns3server/compute/qemu/__init__.py
View File

@ -53,12 +53,19 @@ class Qemu(BaseManager):
:returns: QemuVM instance
"""
async with self._guest_cid_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 Qemu VMs at the same time
guest_cid = get_next_guest_cid(self.nodes)
node = await super().create_node(*args, guest_cid=guest_cid, **kwargs)
node = await super().create_node(*args, **kwargs)
# allocate a guest console ID (CID)
if node.console_type != "none" and node.console:
# by default, the guest CID is equal to the console port
node.guest_cid = node.console
else:
# otherwise pick a guest CID if no console port is configured
async with self._guest_cid_lock:
# wait for a node to be completely created before adding a new one
# this is important otherwise we allocate the same guest ID
# when creating multiple Qemu VMs at the same time
node.guest_cid = get_next_guest_cid(self.nodes)
return node
@staticmethod

16
gns3server/compute/qemu/qemu_vm.py
View File

@ -67,7 +67,7 @@ class QemuVM(BaseNode):
:param platform: Platform to emulate
"""
def __init__(self, name, node_id, project, manager, guest_cid=None, linked_clone=True, qemu_path=None, console=None, console_type="telnet", platform=None):
def __init__(self, name, node_id, project, manager, linked_clone=True, qemu_path=None, console=None, console_type="telnet", platform=None):
super().__init__(name, node_id, project, manager, console=console, console_type=console_type, linked_clone=linked_clone, wrap_console=True)
server_config = manager.config.get_section_config("Server")
@ -80,7 +80,7 @@ class QemuVM(BaseNode):
self._qemu_img_stdout_file = ""
self._execute_lock = asyncio.Lock()
self._local_udp_tunnels = {}
self._guest_cid = guest_cid
self._guest_cid = None
# QEMU VM settings
if qemu_path:
@ -128,13 +128,23 @@ class QemuVM(BaseNode):
@property
def guest_cid(self):
"""
Returns guest_cid (console ID) which unique identifier between 3 and 65535
Returns the CID (console ID) which is an unique identifier between 3 and 65535
:returns: integer between 3 and 65535
"""
return self._guest_cid
@guest_cid.setter
def guest_cid(self, guest_cid):
"""
Set the CID (console ID) which is an unique identifier between 3 and 65535
:returns: integer between 3 and 65535
"""
self._guest_cid = guest_cid
@property
def monitor(self):
"""