fix: init container on ingestor sts for distributed deployments (#1050)

Author: AdheipSingh

Diff for: helm/templates/ingestor-statefulset.yaml

@@ -32,6 +32,24 @@ spec:
         {{- .Values.parseable.highAvailability.ingestor.labels | toYaml | nindent 8 }}
         {{- include "parseable.ingestorLabelsSelector" . | nindent 8 }}
     spec:
+      initContainers:
+        - name: wait-for-query-service
+          image: curlimages/curl:latest # Lightweight image with curl
+          command:
+            - /bin/sh
+            - -c
+            - |
+              echo "Waiting for query service readiness at /api/v1/readiness..."
+              for i in $(seq 1 60); do
+                if curl -sf http://{{ include "parseable.fullname" . }}-querier-service.{{ .Release.Namespace }}/api/v1/readiness; then
+                  echo "Query service is ready!"
+                  exit 0
+                fi
+                echo "Query service is not ready yet. Retrying in 2 seconds..."
+                sleep 2
+              done
+              echo "Query service did not become ready in time. Exiting."
+              exit 1
       terminationGracePeriodSeconds: 10
       serviceAccountName: {{ include "parseable.serviceAccountName" . }}
       containers: