fix(inputs.upsd): Move to new sample.conf style (#11471)

plugins/inputs/upsd/README.md

@@ -9,15 +9,12 @@ upsd should be installed and it's daemon should be running.
 
 ## Configuration
 
-```toml
+```toml @sample.conf
+# Monitor UPSes connected via Network UPS Tools
 [[inputs.upsd]]
   ## A running NUT server to connect to.
-  # If not provided will default to 127.0.0.1
   # server = "127.0.0.1"
-
-  ## The default NUT port 3493 can be overridden with:
   # port = 3493
-
   # username = "user"
   # password = "password"
 ```

plugins/inputs/upsd/sample.conf

@@ -0,0 +1,7 @@
+# Monitor UPSes connected via Network UPS Tools
+[[inputs.upsd]]
+  ## A running NUT server to connect to.
+  # server = "127.0.0.1"
+  # port = 3493
+  # username = "user"
+  # password = "password"

plugins/inputs/upsd/upsd.go

@@ -1,14 +1,21 @@
+//go:generate ../../../tools/readme_config_includer/generator
 package upsd
 
 import (
+	_ "embed"
 	"fmt"
+	"strings"
+
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/internal/choice"
 	"github.com/influxdata/telegraf/plugins/inputs"
 	nut "github.com/robbiet480/go.nut"
-	"strings"
 )
 
+// DO NOT REMOVE THE NEXT TWO LINES! This is required to embed the sampleConfig data.
+//go:embed sample.conf
+var sampleConfig string
+
 //See: https://networkupstools.org/docs/developer-guide.chunked/index.html
 
 const defaultAddress = "127.0.0.1"
@@ -24,18 +31,6 @@ type Upsd struct {
 	batteryRuntimeTypeWarningIssued bool
 }
 
-func (*Upsd) Description() string {
-	return "Monitor UPSes connected via Network UPS Tools"
-}
-
-var sampleConfig = `
- ## A running NUT server to connect to.
- # server = "127.0.0.1"
- # port = 3493
- # username = "user"
- # password = "password"
-`
-
 func (*Upsd) SampleConfig() string {
 	return sampleConfig
 }