Prometheus Metrics
MetalLB exposes different Prometheus metrics that are listed below.
MetalLB Allocator Addresses metrics
| Name | Description |
|---|---|
| metallb_allocator_addresses_in_use_total | Number of IP addresses in use, per pool |
| metallb_allocator_addresses_total | Number of usable IP addresses, per pool |
MetalLB K8S client metrics
| Name | Description |
|---|---|
| metallb_k8s_client_updates_total | Number of k8s object updates that have been processed |
| metallb_k8s_client_update_errors_total | Number of k8s object updates that failed for some reason |
| metallb_k8s_client_config_loaded_bool | 1 if the MetalLB configuration was successfully loaded at least once |
| metallb_k8s_client_config_stale_bool | 1 if running on a stale configuration, because the latest config failed to load |
MetalLB BGP metrics
Note: all the metrics related to a BGP session contain a label that refers to the bgppeer the session is opened against. For example, with 4 BGP peers, the metallb_bgp_updates_total metric could appear as the following:
# HELP metallb_bgp_updates_total Number of BGP UPDATE messages sent
# TYPE metallb_bgp_updates_total counter
metallb_bgp_updates_total{peer="172.23.0.5:0"} 1
metallb_bgp_updates_total{peer="172.23.0.6:0"} 1
metallb_bgp_updates_total{peer="172.30.0.2:0"} 1
metallb_bgp_updates_total{peer="172.30.0.3:0"} 1| Name | Description |
|---|---|
| metallb_bgp_session_up | BGP session state (1 is up, 0 is down) |
| metallb_bgp_updates_total | Number of BGP UPDATE messages sent |
| metallb_bgp_announced_prefixes_total | Number of prefixes currently being advertised on the BGP session |
MetalLB BGP metrics (on FRR mode only)
| Name | Description |
|---|---|
| metallb_bgp_opens_sent | Number of BGP open messages sent |
| metallb_bgp_opens_received | Number of BGP open messages received |
| metallb_bgp_notifications_sent | Number of BGP notification messages sent |
| metallb_bgp_updates_total_received | Number of BGP UPDATE messages received |
| metallb_bgp_keepalives_sent | Number of BGP keepalive messages sent |
| metallb_bgp_keepalives_received | Number of BGP keepalive messages received |
| metallb_bgp_route_refresh_sent | Number of BGP route refresh messages sent |
| metallb_bgp_total_sent | Number of total BGP messages sent |
| metallb_bgp_total_received | Number of total BGP messages received |
MetalLB BFD Metrics (on FRR mode only)
| Name | Description |
|---|---|
| metallb_bfd_session_up | BFD session state (1 is up, 0 is down) |
| metallb_bfd_control_packet_input | Number of received BFD control packets |
| metallb_bfd_control_packet_output | Number of sent BFD control packet |
| metallb_bfd_echo_packet_input | Number of received BFD echo packets |
| metallb_bfd_echo_packet_output | Number of sent BFD echo packets |
| metallb_bfd_session_up_events | Number of BFD session up events |
| metallb_bfd_session_down_events | Number of BFD session down events |
| metallb_bfd_session_zebra_notifications | Number of BFD zebra notifications |