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fix(gnmic): preserve full OpenConfig path-based metric names

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Changes:
- Remove path-base transform that was stripping metric names to just leaf elements
- Change VXLAN subscription from on_change to sample mode (30s interval)
  to ensure consistent metric collection
- Remove unused event-processors from Prometheus output
- Clean up processor configuration

This fixes metric naming to match Grafana dashboard expectations:
- Before: gnmic_interfaces_out_octets
- After: gnmic_interfaces_interface_state_counters_out_octets

The full path names provide better clarity and match standard OpenConfig
metric naming conventions used in dashboards.
This commit is contained in:
Damien Arnodo
2025-12-16 21:16:16 +00:00
parent 8220e55b0e
commit 0196b64232
1 changed files with 15 additions and 37 deletions
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52
monitoring/gnmic/gnmic.yaml
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@@ -12,9 +12,9 @@
# gnmic -a 172.16.0.25:6030 -u admin -p admin --insecure \ # gnmic -a 172.16.0.25:6030 -u admin -p admin --insecure \
# get --path /interfaces/interface[name=Vxlan1] # get --path /interfaces/interface[name=Vxlan1]
# ============================================================================ # ===========================================================================
# Global settings # Global settings
# ============================================================================ # ===========================================================================
username: admin username: admin
password: admin password: admin
insecure: true insecure: true
@@ -24,9 +24,9 @@ debug: false
timeout: 30s timeout: 30s
retry: 10s retry: 10s
# ============================================================================ # ===========================================================================
# Target devices - All switches in the fabric # Target devices - All switches in the fabric
# ============================================================================ # ===========================================================================
targets: targets:
# -------------------------------------------------------------------------- # --------------------------------------------------------------------------
# Spine switches (AS 65000) - No VXLAN subscription needed # Spine switches (AS 65000) - No VXLAN subscription needed
@@ -195,10 +195,10 @@ targets:
device: leaf8 device: leaf8
asn: "65004" asn: "65004"
# ============================================================================ # ===========================================================================
# Subscriptions - define what telemetry to collect # Subscriptions - define what telemetry to collect
# Paths verified for Arista cEOS OpenConfig + native augmentations # Paths verified for Arista cEOS OpenConfig + native augmentations
# ============================================================================ # ===========================================================================
subscriptions: subscriptions:
# -------------------------------------------------------------------------- # --------------------------------------------------------------------------
# Interface statistics - for Flow Plugin bandwidth visualization # Interface statistics - for Flow Plugin bandwidth visualization
@@ -229,7 +229,8 @@ subscriptions:
# Vxlan1 interface with Arista VXLAN augmentations # Vxlan1 interface with Arista VXLAN augmentations
- /interfaces/interface[name=Vxlan1] - /interfaces/interface[name=Vxlan1]
mode: stream mode: stream
stream-mode: on_change # VNI mappings don't change frequently stream-mode: sample
sample-interval: 30s
encoding: json_ietf encoding: json_ietf
# -------------------------------------------------------------------------- # --------------------------------------------------------------------------
@@ -278,9 +279,9 @@ subscriptions:
sample-interval: 15s sample-interval: 15s
encoding: json_ietf encoding: json_ietf
# ============================================================================ # ===========================================================================
# Prometheus output configuration # Prometheus output configuration
# ============================================================================ # ===========================================================================
outputs: outputs:
prometheus: prometheus:
type: prometheus type: prometheus
@@ -293,31 +294,8 @@ outputs:
debug: false debug: false
# Expiration time for metrics (prevents stale data) # Expiration time for metrics (prevents stale data)
expiration: 120s expiration: 120s
# Event processors to clean up metric names # No event processors - preserve full OpenConfig path names
event-processors: # This produces metrics like:
- trim-prefixes # gnmic_interfaces_interface_state_counters_out_octets
- add-subscription-name # gnmic_bgp_neighbors_neighbor_state_session_state
# gnmic_vxlan_interfaces_interface_arista_vxlan_state_udp_port
# ============================================================================
# Event processors - clean up and transform metrics
# ============================================================================
processors:
# Remove long path prefixes from metric names
trim-prefixes:
event-strings:
value-names:
- ".*"
transforms:
- path-base:
apply-on: "name"
# Keep subscription name for better organization
add-subscription-name:
event-strings:
value-names:
- ".*"
transforms:
- replace:
apply-on: "name"
old: ""
new: ""