update snmp exporter

cluster/applications/monitoring/snmp-exporter.yaml

@@ -2,17 +2,8 @@
 # SNMP Exporter
 # Scrapes UniFi network devices via SNMP v2c.
 # Uses multi-target pattern — Prometheus passes device IP as a param.
-#
+# Config format: v0.26.0+ (auth-split format)
-# Devices:
-#   - world-drive     (UDM Pro)        192.168.1.1
-#   - usw-pro-agg     (USW-Pro-Agg)    192.168.1.123
-#   - usw-pro-max-24  (USW-Pro-Max-24) 192.168.1.226
-#   - usw-lite-16-poe (USW-Lite-16)    192.168.1.136
-#   - ups-tower       (UPS-Tower)      192.168.1.233
 # ------------------------------------------------------------------------------
-
-# SNMP exporter config — if_mib module with community from secret
-# Uses an init container to inject the community string at runtime
 apiVersion: v1
 kind: ConfigMap
 metadata:
@@ -27,8 +18,13 @@ data:
     modules:
       if_mib:
         walk:
-          - interfaces
+          - 1.3.6.1.2.1.2.2.1.1   # ifIndex
-        auth: mk_labs_v2c
+          - 1.3.6.1.2.1.2.2.1.2   # ifDescr
+          - 1.3.6.1.2.1.2.2.1.8   # ifOperStatus
+          - 1.3.6.1.2.1.2.2.1.10  # ifInOctets
+          - 1.3.6.1.2.1.2.2.1.16  # ifOutOctets
+          - 1.3.6.1.2.1.2.2.1.14  # ifInErrors
+          - 1.3.6.1.2.1.2.2.1.20  # ifOutErrors
         metrics:
           - name: ifIndex
             oid: 1.3.6.1.2.1.2.2.1.1