elastic startup fix

elasticsearch/values.yaml

@@ -166,6 +166,8 @@ extraVolumeMounts:
   - name: index-template
     mountPath: /usr/share/elasticsearch/templates
     readOnly: true
+  - name: poststart-logs
+    mountPath: /var/log/poststart
 #  - name: http-cert
 #    mountPath: /usr/share/elasticsearch/config/http-certs
 #    readOnly: true
@@ -455,6 +457,8 @@ extraVolumes:
   - name: index-template
     configMap:
       name: index-template-1
+  - name: poststart-logs
+    emptyDir: {}
   - name: http-cert
     secret:
       secretName: elasticsearch-master-certs
@@ -574,15 +578,14 @@ nameOverride: ""
 fullnameOverride: ""
 healthNameOverride: ""
 lifecycle: {}
-postStart:
-  exec:
-    command:
 postStart:
   exec:
     command:
       - /bin/bash
       - -c
       - |
+        LOG_FILE="/var/log/poststart/poststart.log"
+        exec >> "$LOG_FILE" 2>&1
         echo "[postStart] Starting postStart hook..." >&2
         # Default values (override in env)
         MAX_RETRIES="${MAX_RETRIES:-30}"