Fix infinite recursion deadlock on netns cleanup

When, for some reason, the neutron netns agent is misconfigured and is
producing errors, this infinite recursion is generating a deadlock on
cpu usage since it repeats with no interval. This fix adds some shorter
sleeps to work around it.

Signed-off-by: Thiago Brito <thiago.brito@windriver.com>
Change-Id: Icf840ea965d0652d6118a1b840168df95ba95fac

neutron/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Neutron
 name: neutron
-version: 0.2.11
+version: 0.2.12
 home: https://docs.openstack.org/neutron/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Neutron/OpenStack_Project_Neutron_vertical.png
 sources:

neutron/templates/bin/_neutron-netns-cleanup-cron.py.tpl

@@ -17,8 +17,10 @@ if __name__ == "__main__":
             sys.stderr.write(
                 "Cleaning network namespaces caught an exception %s"
                 % str(ex))
+            time.sleep(30)
         except:
             sys.stderr.write(
                 "Cleaning network namespaces caught an exception")
+            time.sleep(30)
         finally:
             cfg.CONF.clear()

releasenotes/notes/neutron.yaml

@@ -25,4 +25,5 @@ neutron:
   - 0.2.9 Add option to disable helm.sh/hook annotations
   - 0.2.10 Update htk requirements repo
   - 0.2.11 Improve health probe logging
+  - 0.2.12 Fix infinite recursion deadlock on netns cleanup cron
 ...