Add class filer for k8s pipelines.

Fixes PROD-21997

Change-Id: Iaabbf2f22414163869bcbfb025cc1947fa556e0f
diff --git a/deploy-heat-k8s-kqueen-pipeline.groovy b/deploy-heat-k8s-kqueen-pipeline.groovy
index 7071b96..6e5705e 100644
--- a/deploy-heat-k8s-kqueen-pipeline.groovy
+++ b/deploy-heat-k8s-kqueen-pipeline.groovy
@@ -122,8 +122,8 @@
                 }
 
                 // ensure certificates are generated properly
-                salt.runSaltProcessStep(venvPepper, '*', 'saltutil.refresh_pillar', [], null, true)
-                salt.enforceState(venvPepper, '*', ['salt.minion.cert'], true)
+                salt.runSaltProcessStep(venvPepper, 'I@kubernetes:*', 'saltutil.refresh_pillar', [], null, true)
+                salt.enforceState(venvPepper, 'I@kubernetes:*', ['salt.minion.cert'], true)
 
                 orchestrate.installKubernetesInfra(venvPepper)
             }