如果边缘节点使用外网ip和端口通信,这些daemonset的容忍度比较强,需要给它们patch一下,避免调度到边缘端
#!/bin/bash
NodeSelectorPatchJson='{"spec":{"template":{"spec":{"nodeSelector":{"node-role.kubernetes.io/master": "","node-role.kubernetes.io/worker": ""}}}}}'
NoShedulePatchJson='{"spec":{"template":{"spec":{"affinity":{"nodeAffinity":{"requiredDuringSchedulingIgnoredDuringExecution":{"nodeSelectorTerms":[{"matchExpressions":[{"key":"node-role.kubernetes.io/edge","operator":"DoesNotExist"}]}]}}}}}}}'
edgenode="edgenode"
if [ $1 ]; then
edgenode="$1"
fi
namespaces=($(kubectl get pods -A -o wide |egrep -i $edgenode | awk '{print $1}' ))
pods=($(kubectl get pods -A -o wide |egrep -i $edgenode | awk '{print $2}' ))
length=${#namespaces[@]}
for((i=0;i<$length;i++));
do
ns=${namespaces[$i]}
pod=${pods[$i]}
resources=$(kubectl -n $ns describe pod $pod | grep "Controlled By" |awk '{print $3}')
echo "Patching for ns:"${namespaces[$i]}",resources:"$resources
kubectl -n $ns patch $resources --type merge --patch "$NoShedulePatchJson"
sleep 1
done