feat(pipeline_template): Add marker support to disable rendered value expansion

orca-pipelinetemplate/src/main/java/com/netflix/spinnaker/orca/pipelinetemplate/v1schema/render/YamlRenderedValueConverter.java

@@ -42,6 +42,9 @@ public Object convertRenderedValue(String renderedValue) {
     if (containsEL(renderedValue) || isYamlKeyword(renderedValue)) {
       return renderedValue;
     }
+    if (containsNoExpandMarker(renderedValue)) {
+      return trimNoExpandMarker(renderedValue);
+    }
 
     try {
       Object converted = yaml.load(renderedValue);
@@ -67,4 +70,12 @@ private static boolean containsEL(String renderedValue) {
   private static boolean isYamlKeyword(String renderedValue) {
     return YAML_KEYWORDS.contains(renderedValue.toLowerCase());
   }
+
+  private static boolean containsNoExpandMarker(String renderedValue) {
+    return renderedValue.startsWith("noexpand:");
+  }
+
+  private static String trimNoExpandMarker(String renderedValue) {
+    return renderedValue.substring("noexpand:".length(), renderedValue.length());
+  }
 }

orca-pipelinetemplate/src/test/groovy/com/netflix/spinnaker/orca/pipelinetemplate/v1schema/render/JinjaRendererSpec.groovy

@@ -87,6 +87,7 @@ class JinjaRendererSpec extends Specification {
     '${ #stage("First Wait")["status"].toString() == "SUCCESS" }' || String | '${ #stage("First Wait")["status"].toString() == "SUCCESS" }'
     '${ parameters.CONFIG_FOLDER ?: \'\' }' || String | '${ parameters.CONFIG_FOLDER ?: \'\' }'
     ''                || String       | null
+    'noexpand:{"t": "deployment"}' || String   | '{"t": "deployment"}'
   }