better comments

Author: Alexj9837

helm/blueapi/templates/configmap.yaml

@@ -52,8 +52,10 @@ data:
     NOW=$(date +%s)
     #loop through all the pvcs annotating ones thare are mounted or lack a last-used stamp
     for pvc in $ALL_PVC; do
+      # Checks if Annotation for last-used is empty
       ANNOTATION=$(kubectl get pvc "$pvc" -n {{ .Release.Namespace }} -o=jsonpath='{.metadata.annotations.last-used}')
-      if [ -z "$ANNOTATION" ]; then
+      # -z checks if ANNOTATION is empty, if its empty or mounted to updates last-used else it ignores it
+      if [ -z "$ANNOTATION" ]; then 
         kubectl annotate --overwrite pvc "$pvc" -n {{ .Release.Namespace }} last-used="$NOW"
       elif echo "$MOUNTED_PVCS" | grep -qx "$pvc"; then
         kubectl annotate --overwrite pvc "$pvc" -n {{ .Release.Namespace }} last-used="$NOW"