DOC-5210 Added new customer_managed_ine_certificates to v2 Prometheus metrics

Author: rrelledge

content/embeds/rs-prometheus-metrics-v2.md

@@ -51,6 +51,7 @@
 | <span class="break-all">node_available_memory_no_overbooking_bytes</span> | gauge | Available RAM in the node (bytes) without taking into account overbooking |
 | node_bigstore_free_bytes | gauge | Sum of free space of back-end flash (used by flash database's [BigRedis]) on all cluster nodes (bytes); returned only when BigRedis is enabled |
 | <span class="break-all">node_cert_expires_in_seconds</span> | gauge | Certificate expiration (in seconds) per given node; read more about [certificates in Redis Enterprise]({{< relref "/operate/rs/security/certificates" >}}) and [monitoring certificates]({{< relref "/operate/rs/security/certificates/monitor-certificates" >}}) |
+| <span class="break-all">customer_managed_ine_certificates</span> | gauge | Indicates whether customer-provided internode encryption certificates are in use<br />0=No<br />1=Yes |
 | <span class="break-all">node_ephemeral_storage_avail_bytes</span> | gauge | Disk space available to RLEC processes on configured ephemeral disk (bytes) |
 | <span class="break-all">node_ephemeral_storage_free_bytes</span> | gauge | Free disk space on configured ephemeral disk (bytes) |
 | node_memory_MemFree_bytes | gauge | Free memory in the node (bytes) |