fix

Author: aranabhat

pipelines/lib/util.groovy

@@ -474,6 +474,7 @@ def labelPod(){
   }
 
   def jsonLabels = groovy.json.JsonOutput.toJson([metadata: [labels: labels]])
+  echo "jsonLabels": $(jsonLabels)
 
   bash '''
   set -eu
@@ -486,14 +487,15 @@ def labelPod(){
   TOKEN=$(cat $SA/token)
   CA=$SA/ca.crt
 
+  echo '${jsonLabels}' > /tmp/patch.json
 
   if curl -sS --fail \
     --cacert "$CA" \
     -H "Authorization: Bearer $TOKEN" \
     -H "Content-Type: application/merge-patch+json" \
     -X PATCH \
     "https://kubernetes.default.svc/api/v1/namespaces/$NS/pods/$POD" \
-    -d '${jsonLabels}'
+    --data-binary @/tmp/patch.json >/dev/null
   then
     echo "labeled jenkins-job=$JOB jenkins-build=$BUILD_NUMBER for pod $NS/$POD"
   else