From 2b2b756ad6ff81e4725ab934dcb8ff4128e15ae4 Mon Sep 17 00:00:00 2001
From: Marcel Fest <marcel@fest4.eu>
Date: Sun, 14 Mar 2021 18:32:37 +0100
Subject: [PATCH] Added IPv6 support K8s Service.

---
 docker/logical-backup/dump.sh | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/docker/logical-backup/dump.sh b/docker/logical-backup/dump.sh
index 50f7e6e4c..187c2e5c7 100755
--- a/docker/logical-backup/dump.sh
+++ b/docker/logical-backup/dump.sh
@@ -12,7 +12,16 @@ DUMP_SIZE_COEFF=5
 ERRORCOUNT=0
 
 TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
-K8S_API_URL=https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT/api/v1
+if [ "$KUBERNETES_SERVICE_HOST" != "${KUBERNETES_SERVICE_HOST#*[0-9].[0-9]}" ]; then
+  echo "IPv4"
+  K8S_API_URL=https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT/api/v1
+elif [ "$KUBERNETES_SERVICE_HOST" != "${KUBERNETES_SERVICE_HOST#*:[0-9a-fA-F]}" ]; then
+  echo "IPv6"
+  K8S_API_URL=https://[$KUBERNETES_SERVICE_HOST]:$KUBERNETES_SERVICE_PORT/api/v1
+else
+  echo "Unrecognized IP format '$KUBERNETES_SERVICE_HOST'"
+fi
+echo "API Endpoint: ${K8S_API_URL}"
 CERT=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
 
 function estimate_size {