starlingx/integ
Code Issues Proposed changes

Merge "Enable pod restart based on a label"

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Zuul 2020-09-22 21:47:52 +00:00 committed by Gerrit Code Review
commit ee1cf776c8
1 changed files with 29 additions and 0 deletions
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29
kubernetes/k8s-pod-recovery/centos/files/k8s-pod-recovery
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@ -145,6 +145,32 @@ function _node_affinity_pods {
} }
function _labeled_pods {
# $1: actions <recover|verify>
# Delete pods with the restart-on-reboot=true label
PODS=$(kubectl get pods --all-namespaces --no-headers --field-selector=spec.nodeName=${HOST} --selector=restart-on-reboot=true 2>/dev/null | awk '{print $1"/"$2}')
if [ "$1" == 'recover' ]; then
for pod in $PODS; do
LOG "restart-on-reboot labeled pods: Recovering: ${pod//// }"
kubectl delete pods -n ${pod//// } --wait=false
done
elif [ "$1" == 'verify' ]; then
for pod in $PODS; do
LOG "restart-on-reboot labeled pods: Verifying: ${pod//// }"
STATUS=$(kubectl get pod --no-headers -n ${pod//// } 2>/dev/null | awk '{print $3}')
if [[ "${STATUS}" != "Running" ]]; then
ERROR "$pod: not recovered: $STATUS"
else
LOG "$pod: recovered"
fi
done
else
ERROR "Unknown action: $1"
fi
}
function _force_reset_pods { function _force_reset_pods {
# $1: actions <recover|verify> # $1: actions <recover|verify>
@ -188,6 +214,9 @@ function _force_reset_pods {
function _examine_pods { function _examine_pods {
# $1: actions <recover|verify> # $1: actions <recover|verify>
# No need to wait for pod transitions if we know the pod needs to be restarted
_labeled_pods $1
# Wait for pods transitions to stop # Wait for pods transitions to stop
_wait_for_pod_stabilization _wait_for_pod_stabilization