From 6a94eb6279868fff0fec38e2be173a2163786c28 Mon Sep 17 00:00:00 2001
From: Chris Oloff <chris@uber5.com>
Date: Wed, 1 Jan 2025 17:17:20 +0200
Subject: [PATCH] add error handling for missing input

---
 entrypoint.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index 12ce77a..cb37ebf 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -11,6 +11,16 @@ cat "$GITHUB_OUTPUT"
 
 KUST_CONFIG=$1
 
+if [ -z "$KUST_CONFIG" ]; then
+  echo "KUST_CONFIG not defined, pass it in a 'with:' clause to the action" && exit 1
+fi
+if [ -z "$K3S_YAML" ]; then
+  echo "K3S_YAML not defined, pass it in the environment with an 'env:' clause to the action" && exit 1
+fi
+if [ -z "$GITHUB_SHA" ]; then
+  echo "GITHUB_SHA not defined, pass it in the environment with an 'env:' clause to the action" && exit 1
+fi
+
 echo "Going to apply kustomization configuration at ${KUST_CONFIG}"
 echo "K3S_YAML:"
 echo "$K3S_YAML"
@@ -20,7 +30,7 @@ ls -lth /tmp/
 echo "K3S_YAML, deserialized:"
 cat /tmp/k3s.yaml
 cp -r ./kustomize /tmp/ # TODO: we expect the kustomize folder to be present in the root of the repository
-find /tmp/kustomize -type f -print0 | xargs -0 sed -i "s/GIT_VERSION/${CI_COMMIT_SHA}/"
+find /tmp/kustomize -type f -print0 | xargs -0 sed -i "s/GIT_VERSION/${GITHUB_SHA}/"
 echo "try and get nodes and version... (debugging)"
 kubectl --kubeconfig /tmp/k3s.yaml get all
 kubectl --kubeconfig /tmp/k3s.yaml version