docs: Fix issues for existing metadata (#16586)

plugins/aggregators/basicstats/README.md

@@ -5,6 +5,7 @@ maxima, mean values, non-negative differences etc. for a set of metrics and
 emits these statistical values every `period`.
 
 ⭐ Telegraf v1.5.0
+🏷️ statistics
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/aggregators/derivative/README.md

@@ -3,6 +3,7 @@
 This plugin computes the derivative for all fields of the aggregated metrics.
 
 ⭐ Telegraf v1.18.0
+🏷️ math
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/aggregators/final/README.md

@@ -18,6 +18,7 @@ metrics collected at a higher frequency.
 > by default.
 
 ⭐ Telegraf v1.11.0
+🏷️ sampling
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/aggregators/histogram/README.md

@@ -12,6 +12,7 @@ consecutive buckets in the distribution creating a [cumulative histogram][1].
 > by setting the `reset` parameter.
 
 ⭐ Telegraf v1.4.0
+🏷️ statistics
 💻 all
 
 [1]: https://en.wikipedia.org/wiki/Histogram#/media/File:Cumulative_vs_normal_histogram.svg

plugins/aggregators/merge/README.md

@@ -8,6 +8,7 @@ Use this plugin when fields are split over multiple metrics, with the same
 measurement, tag set and timestamp.
 
 ⭐ Telegraf v1.13.0
+🏷️ transformation
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/aggregators/minmax/README.md

@@ -5,6 +5,7 @@ emitting the aggrate every `period` seconds with field names suffixed by `_min`
 and `_max` respectively.
 
 ⭐ Telegraf v1.1.0
+🏷️ statistics
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/aggregators/quantile/README.md

@@ -5,6 +5,7 @@ quantiles and emits the quantiles every `period`. Different aggregation
 algorithms are supported with varying accuracy and limitations.
 
 ⭐ Telegraf v1.18.0
+🏷️ statistics
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/aggregators/starlark/README.md

@@ -28,6 +28,7 @@ More details on the syntax and available functions can be found in the
 [Starlark specification][spec].
 
 ⭐ Telegraf v1.21.0
+🏷️ transformation
 💻 all
 
 [starlark]: https://github.com/google/starlark-go

plugins/aggregators/valuecounter/README.md

@@ -17,6 +17,7 @@ other categorical values in the defined `period`.
 > Take care to only count fields with a limited set of values.
 
 ⭐ Telegraf v1.8.0
+🏷️ statistics
 💻 all
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/inputs/dpdk/README.md

@@ -20,7 +20,7 @@ to use DPDK in your application.
 > option is `DPDK 21.11.2` or higher.
 
 ⭐ Telegraf v1.19.0
-🏷️ applications, networking
+🏷️ applications, network
 💻 linux
 
 [dpdk]: https://www.dpdk.org

plugins/inputs/ethtool/README.md

@@ -4,7 +4,7 @@ This plugin collects ethernet device statistics. The available information
 strongly depends on the network device and driver.
 
 ⭐ Telegraf v1.13.0
-🏷️ system, networking
+🏷️ system, network
 💻 linux
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->

plugins/inputs/example/README.md

@@ -9,8 +9,8 @@ Telegraf minimum version: Telegraf x.x Plugin minimum tested version: x.x
 ⭐ Telegraf v1.0.0  <!-- introduction version -->
 🚩 Telegraf v1.10.0 <!-- deprecation version if any -->
 🔥 Telegraf v1.20.0 <!-- removal version  if any -->
-🏷️ your labels
+🏷️ system           <!-- plugin tags -->
-💻 your OS support
+💻 all              <!-- OS support -->
 
 ## Global configuration options <!-- @/docs/includes/plugin_config.md -->
 

plugins/inputs/fail2ban/README.md

@@ -9,7 +9,7 @@ This plugin gathers the count of failed and banned IP addresses using
 > running telegraf as root (not recommended).
 
 ⭐ Telegraf v1.4.0
-🏷️ networking, system
+🏷️ network, system
 💻 all
 
 [fail2ban]: https://www.fail2ban.org

plugins/inputs/influxdb/README.md

@@ -18,7 +18,7 @@ InfluxDB-formatted endpoints.
 > ```
 
 ⭐ Telegraf v0.2.5
-🏷️ datastores
+🏷️ datastore
 💻 all
 
 [doc_v1]: https://docs.influxdata.com/platform/monitoring/influxdata-platform/tools/measurements-internal/

plugins/inputs/influxdb_listener/README.md

@@ -20,7 +20,7 @@ defer to the output plugins configuration.
 > to InfluxDB determines the destination database.
 
 ⭐ Telegraf v1.9.0
-🏷️ datastores
+🏷️ datastore
 💻 all
 
 [influxdb_http_api]: https://docs.influxdata.com/influxdb/v1.8/guides/write_data/

plugins/inputs/influxdb_v2_listener/README.md

@@ -9,7 +9,7 @@ set to one of `ns`, `us`, `ms`, `s`.  All other parameters are ignored and defer
 to the output plugins configuration.
 
 ⭐ Telegraf v1.16.0
-🏷️ datastores
+🏷️ datastore
 💻 all
 
 [influxdb_http_api]: https://docs.influxdata.com/influxdb/v2/api/

plugins/outputs/amon/README.md

@@ -9,7 +9,7 @@ for your account.
 > skipped.
 
 ⭐ Telegraf v0.2.1
-🏷️ databases
+🏷️ datastore
 💻 all
 
 [amon]: https://www.amon.cx

plugins/outputs/event_hubs/README.md

@@ -10,7 +10,7 @@ partition key is specified the batches will be automatically load-balanced
 (round-robin) across all the Event Hub partitions.
 
 ⭐ Telegraf v1.21.0
-🏷️ cloud,datastores
+🏷️ cloud,datastore
 💻 all
 
 [event_hubs]: https://azure.microsoft.com/en-gb/services/event-hubs/

plugins/outputs/graylog/README.md

@@ -4,7 +4,7 @@ This plugin writes metrics to a [Graylog][graylog] instance using the
 [GELF data format][gelf].
 
 ⭐ Telegraf v1.0.0
-🏷️ datatstore, logging
+🏷️ datastore, logging
 💻 all
 
 [gelf]: https://docs.graylog.org/en/3.1/pages/gelf.html#gelf-payload-specification

plugins/outputs/socket_writer/README.md

@@ -4,7 +4,7 @@ This plugin writes metrics to a network service e.g. via UDP or TCP in one of
 the supported [data formats][data_formats].
 
 ⭐ Telegraf v1.3.0
-🏷️ applications, networking
+🏷️ applications, network
 💻 all
 
 [data_formats]: /docs/DATA_FORMATS_OUTPUT.md