add metrics_names_fingerprint field

packages/prometheus/data_stream/remote_write/elasticsearch/ingest_pipeline/default.yml

@@ -24,7 +24,7 @@ processors:
           description: Add all keys of the 'prometheus' object to the earlier created field, it includes all metric names and key "labels"
   - fingerprint:
       fields: ["prometheus.labels.metrics_names"]
-      target_field: "prometheus.labels_fingerprint"
+      target_field: "prometheus.metrics_names_fingerprint"
       ignore_missing: true
   - remove:
       field: "prometheus.labels.metrics_names"

packages/prometheus/data_stream/remote_write/fields/fields.yml

@@ -6,7 +6,7 @@
       dimension: true
       description: |
         Prometheus metric labels
-    - name: labels_fingerprint
+    - name: metrics_names_fingerprint
       type: keyword
       dimension: true
       description: Autogenerated ID representing the fingerprint of the list of metrics names

packages/prometheus/docs/README.md

@@ -437,8 +437,8 @@ The fields reported are:
 | prometheus.\*.rate | Prometheus rated counter metric | object | gauge |
 | prometheus.\*.value | Prometheus gauge metric | object | gauge |
 | prometheus.labels.\* | Prometheus metric labels | keyword |  |
-| prometheus.labels_fingerprint | Autogenerated ID representing the fingerprint of the list of metrics names | keyword |  |
 | prometheus.metrics.\* | Prometheus metric | object | gauge |
+| prometheus.metrics_names_fingerprint | Autogenerated ID representing the fingerprint of the list of metrics names | keyword |  |
 | service.address | Address where data about this service was collected from. This should be a URI, network address (ipv4:port or [ipv6]:port) or a resource path (sockets). | keyword |  |
 | service.type | The type of the service data is collected from. The type can be used to group and correlate logs and metrics from one service type. Example: If logs or metrics are collected from Elasticsearch, `service.type` would be `elasticsearch`. | keyword |  |