openstack
/
kuryr-kubernetes
Code Issues Proposed changes

Avoid race between pod creation retry and namespace deletion 

This patch ensure that if a namespace gets deleted and there is
a pending pod creation retry, the later will not fail due to the
subnet being already deleted.

Change-Id: I914109337066441a2750d055aec5cf0e799d7516
Closes-Bug: 1847446
(cherry picked from commit f85866d84d)
This commit is contained in:
Luis Tomas Bolivar 2019-10-09 11:32:43 +02:00
parent 8824a0f2e9
commit 037fa2120b
1 changed files with 10 additions and 2 deletions
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12
kuryr_kubernetes/controller/handlers/vif.py
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@ -92,8 +92,16 @@ class VIFHandler(k8s_base.ResourceEventHandler):
project_id = self._drv_project.get_project(pod)
security_groups = self._drv_sg.get_security_groups(pod, project_id)
if not state:
subnets = self._drv_subnets.get_subnets(pod, project_id)
try:
subnets = self._drv_subnets.get_subnets(pod, project_id)
except n_exc.NotFound:
LOG.warning("Subnet does not exists. If namespace driver is "
"used, probably the namespace for the pod is "
"already deleted. So this pod does not need to "
"get a port as it will be deleted too. If the "
"default subnet driver is used, then you must "
"select an existing subnet to be used by Kuryr.")
return
# Request the default interface of pod
main_vif = self._drv_vif_pool.request_vif(
pod, project_id, subnets, security_groups)