Add SAN entries to Traefik 2 dynamic config for minnaker

fix-traefik2-sans.sh

#!/bin/bash

# if parent path to minnaker is passed in then use that otherwise assume it's /home/ubuntu/minnaker
MINNAKER_HOME="${1:-/home/ubuntu/minnaker}"
TRAEFIK2_CONFIG_PATH="${MINNAKER_HOME}/templates/addons/traefik2/config/traefik2-config.yml"
PUBLIC_IP=$(cat ${MINNAKER_HOME}/spinsvc/secrets/public_ip)
DOMAINS="spinnaker api alertmanager prometheus grafana jenkins ldap consul vault"

echo "[INFO] SAN addresses to be added to Traefik 2 ..."
for i in $DOMAINS
do
  SAN="${i}.${PUBLIC_IP}.nip.io"
  echo "[INFO]   ${SAN}"
  yq w -i "${TRAEFIK2_CONFIG_PATH}" 'entryPoints.https.http.tls.domains[0].sans[+]' "${SAN}"
done

# reapply changed config
kubectl kustomize "${MINNAKER_HOME}/templates/addons/traefik2" | kubectl apply -f -

# delete Traefik2 pod to reload config
#traefikPod=`kubectl -n kube-system get pods | grep -e '^traefik-.*' | cut -d' ' -f1`
#kubectl -n kube-system delete pod $traefikPod