33 lines
1.0 KiB
Bash
Executable File
33 lines
1.0 KiB
Bash
Executable File
#!/bin/bash
|
|
kubectl taint nodes cupid1 worker-
|
|
echo =========== Create an ubuntu pod ==================
|
|
kubectl run ubuntu --image=ubuntu -- bash -c "while true; do echo hello; sleep 10;done"
|
|
|
|
# Wait for the pod "ubuntu" to contain the status condition of type "Ready"
|
|
kubectl wait --for=condition=Ready pod/ubuntu
|
|
|
|
# Save a sorted list of IPs of all of the k8s SVCs:
|
|
kubectl get svc -A|egrep -v 'CLUSTER-IP|None'|awk '{print $4}'|sort -V > ips
|
|
|
|
# Copy the ip list to owr Ubuntu pod:
|
|
kubectl cp ips ubuntu:/
|
|
|
|
echo =========== Installing dig tool into the pod ===============
|
|
kubectl exec -it ubuntu -- apt-get update
|
|
kubectl exec -it ubuntu -- apt install -y dnsutils
|
|
|
|
# Print 7 blank lines
|
|
yes '' | sed 7q
|
|
echo =========== Print all k8s SVC DNS records ====================
|
|
for ip in $(cat ips); do echo -n "$ip "; kubectl exec -it ubuntu -- dig -x $ip +short; done
|
|
echo ====== End of list =====================
|
|
|
|
echo ========= Cleanup ===============
|
|
kubectl delete po ubuntu
|
|
rm ips
|
|
|
|
kubectl taint nodes cupid1 worker=:NoSchedule
|
|
|
|
exit 0
|
|
|