fix: add missing awkenvsubst function

templates/gitlab-ci-openshift.yml

@@ -259,6 +259,10 @@ stages:
     echo "$1" | tr '[:lower:]' '[:upper:]' | tr '[:punct:]' '_'
   }
 
+  function awkenvsubst() {
+    awk '{while(match($0,"[$%]{[^}]*}")) {g0=substr($0,RSTART,RLENGTH); val=ENVIRON[substr(g0,3,RLENGTH-3)]; gsub(g0,val)}}1'
+  }
+
   function pre_apply() {
     # maybe execute pre apply script
     prescript="$OS_SCRIPTS_DIR/os-pre-apply.sh"