wait for k8s ip #k8s #gcp

wait-k8s-ip.sh

#!/usr/bin/env bash
# Waits for kubernetes ingress to get an IP 

# Usage:
#   wait-k8s-ip.sh <ingressName> <namespace>
#   eg: wait-k8s-ip.sh ingress-name my-app-dev

# Will timeout after 5minutes (5 * 60 tries * 1 sec wait = 300 secs)
external_ip=""
times=0
while [ -z $external_ip ] && [ $times -lt 300 ]; do
  external_ip=$(kubectl get ingress $1 -n $2 --template="{{range .status.loadBalancer.ingress}}{{.ip}}{{end}}")
  [ -z "$external_ip" ] && sleep 1
  ((times++))
done
[ -z "$external_ip" ] && echo "timeout" || echo $external_ip