Add configurable tags to influxdb metrics

docs/content/observability/metrics/influxdb.md

@@ -235,3 +235,29 @@ metrics:
 ```bash tab="CLI"
 --metrics.influxdb.pushInterval=10s
 ```
+
+#### `additionalLabels`
+
+_Optional, Default={}_
+
+Additional labels (influxdb tags) on all metrics.
+
+```toml tab="File (TOML)"
+[metrics]
+  [metrics.influxDB]
+    [metrics.influxDB.additionalLabels]
+      host = "example.com"
+      environment = "production"
+```
+
+```yaml tab="File (YAML)"
+metrics:
+  influxDB:
+    additionalLabels:
+      host: example.com
+      environment: production
+```
+
+```bash tab="CLI"
+--metrics.influxdb.additionallabels.host=example.com --metrics.influxdb.additionallabels.environment=production
+```

docs/content/reference/static-configuration/cli-ref.md

@@ -249,6 +249,9 @@ InfluxDB metrics exporter type. (Default: ```false```)
 `--metrics.influxdb.addentrypointslabels`:  
 Enable metrics on entry points. (Default: ```true```)
 
+`--metrics.influxdb.additionallabels.<name>`:  
+Additional labels (influxdb tags) on all metrics
+
 `--metrics.influxdb.address`:  
 InfluxDB address. (Default: ```localhost:8089```)
 

docs/content/reference/static-configuration/env-ref.md

@@ -249,6 +249,9 @@ InfluxDB metrics exporter type. (Default: ```false```)
 `TRAEFIK_METRICS_INFLUXDB_ADDENTRYPOINTSLABELS`:  
 Enable metrics on entry points. (Default: ```true```)
 
+`TRAEFIK_METRICS_INFLUXDB_ADDITIONALLABELS_<NAME>`:  
+Additional labels (influxdb tags) on all metrics
+
 `TRAEFIK_METRICS_INFLUXDB_ADDRESS`:  
 InfluxDB address. (Default: ```localhost:8089```)
 

docs/content/reference/static-configuration/file.toml

@@ -268,6 +268,8 @@
     addEntryPointsLabels = true
     addRoutersLabels = true
     addServicesLabels = true
+    [metrics.influxDB.additionalLabels]
+      foobar = "foobar"
 
 [ping]
   entryPoint = "foobar"

docs/content/reference/static-configuration/file.yaml

@@ -290,6 +290,8 @@ metrics:
     addEntryPointsLabels: true
     addRoutersLabels: true
     addServicesLabels: true
+    additionalLabels:
+      foobar: foobar
 ping:
   entryPoint: foobar
   manualRouting: true