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core: fix firewall update code

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Do not load qubes.xml again, it can cause race conditions between two
instances of the same VM objects.
Especially when VM is starting ProxyVM to which it is connected,
firewall rules could not be loaded.
This commit is contained in:
Marek Marczykowski-Górecki 2015-01-15 03:27:21 +01:00
parent c489a81dfa
commit 52334bc414
1 changed files with 5 additions and 8 deletions
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13
core-modules/000QubesVm.py
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@ -1638,16 +1638,13 @@ class QubesVm(object):
print >> sys.stderr, "--> Setting Qubes DB info for the VM..."
self.create_xenstore_entries(xid)
qvm_collection = QubesVmCollection()
qvm_collection.lock_db_for_reading()
qvm_collection.load()
qvm_collection.unlock_db()
if verbose:
print >> sys.stderr, "--> Updating firewall rules..."
for vm in qvm_collection.values():
if vm.is_proxyvm() and vm.is_running():
vm.write_iptables_xenstore_entry()
netvm = self.netvm
while netvm is not None:
if netvm.is_proxyvm() and netvm.is_running():
netvm.write_iptables_xenstore_entry()
netvm = netvm.netvm
# fire hooks
for hook in self.hooks_start: