Snmp: fix mikrotik temperature and power signals (#1447)

* Fix mikrotik temp

* Fix power sensors

Author: v-zhuravlev

snmp-observ-lib/dashboards_out/snmp-overview.json

@@ -10,7 +10,7 @@ local commonlib = import 'common-lib/common/main.libsonnet';
       + g.panel.timeSeries.queryOptions.withInterval(this.config.minInterval)
       + g.panel.timeSeries.fieldConfig.defaults.custom.withFillOpacity(0),
     errors:
-      signals.fiber.fcIfTxWaitCount.withTopK().asTimeSeries('Network FC errors')
+      signals.fiber.fcIfTxWaitCount.withTopK().asTimeSeries('FC errors')
       + g.panel.timeSeries.panelOptions.withDescription(
         |||
           -TxWaitCount: The number of times the FC-port waited due to lack of transmit credits.

snmp-observ-lib/panels/fiber.libsonnet

@@ -38,7 +38,7 @@ function(this)
             aggKeepLabels: ['entPhysicalName'],
           },
           mikrotik: {
-            expr: 'mtxrHlVoltage',
+            expr: 'mtxrHlVoltage{%(queriesSelector)s}',
             exprWrappers: [
               ['(', ')/10'],
             ],
@@ -71,7 +71,7 @@ function(this)
             aggKeepLabels: ['entPhysicalName'],
           },
           mikrotik: {
-            expr: 'mtxrHlPower',
+            expr: 'mtxrHlPower{%(queriesSelector)s}',
           },
         },
       },

snmp-observ-lib/signals/power.libsonnet

@@ -79,7 +79,7 @@ function(this)
             ],
           },
           mikrotik: {
-            expr: 'mtxrHlTemperature',
+            expr: 'mtxrHlTemperature{%(queriesSelector)s}',
             exprWrappers: [
               ['(', ')/10'],
             ],