airship
/
maas
Code Issues Proposed changes

Robust maas-rack readiness probe 

With the existing readiness probe mechanism, if log rotation occurs
then it may lead maas rack pod to show false not ready. Instead save
the success message of rack registration to a file and then use it in
the readiness probe.

Change-Id: I569b99186d398db44a10824dc3fe8c745b13a4ac
This commit is contained in:
Nishant Kumar 2020-02-14 17:07:30 +00:00 committed by Nishant Kumar
parent 0a8b01bb72
commit 1e035afc2c
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
charts/maas/templates/bin/_register-rack-controller.sh.tpl
View File

@ -20,6 +20,7 @@ register_maas_rack() {
if maas-rack register --url="${MAAS_ENDPOINT}" --secret="${MAAS_REGION_SECRET}"; if maas-rack register --url="${MAAS_ENDPOINT}" --secret="${MAAS_REGION_SECRET}";
then then
echo "Successfully registered with MaaS Region Controller" echo "Successfully registered with MaaS Region Controller"
touch '/tmp/maas-rack.done'
break break
else else
echo "Unable to register with ${MAAS_ENDPOINT}... will try again" echo "Unable to register with ${MAAS_ENDPOINT}... will try again"

5
charts/maas/templates/statefulset-rack.yaml
View File

@ -99,9 +99,8 @@ spec:
timeoutSeconds: 60 timeoutSeconds: 60
exec: exec:
command: command:
- /bin/bash - ls
- -c - /tmp/maas-rack.done
- journalctl -u register-rack-controller -n 5 | grep -q 'Successfully registered with MaaS Region Controller'
volumeMounts: volumeMounts:
- mountPath: /sys/fs/cgroup - mountPath: /sys/fs/cgroup
name: host-sys-fs-cgroup name: host-sys-fs-cgroup