logconfig: link issue cockroachdb#72452 in the error message

Release note: None

pkg/util/log/logconfig/BUILD.bazel

@@ -24,6 +24,7 @@ go_library(
     importpath = "github.com/cockroachdb/cockroach/pkg/util/log/logconfig",
     visibility = ["//visibility:public"],
     deps = [
+        "//pkg/build",
         "//pkg/util/log/logpb",
         "@com_github_cockroachdb_errors//:errors",
         "@com_github_dustin_go_humanize//:go-humanize",

pkg/util/log/logconfig/validate.go

@@ -20,6 +20,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/cockroachdb/cockroach/pkg/build"
 	"github.com/cockroachdb/cockroach/pkg/util/log/logpb"
 	"github.com/cockroachdb/errors"
 )
@@ -324,7 +325,14 @@ func (c *Config) newFileSinkConfig(groupName string) *FileSinkConfig {
 func (c *Config) validateFileSinkConfig(fc *FileSinkConfig, defaultLogDir *string) error {
 	propagateFileDefaults(&fc.FileDefaults, c.FileDefaults)
 	if !fc.Buffering.IsNone() {
-		return errors.New(`"buffering" not yet supported for file-groups.  Use "buffered-writes".`)
+		// We cannot use unimplemented.WithIssue() here because of a
+		// circular dependency.
+		err := errors.UnimplementedError(
+			errors.IssueLink{IssueURL: build.MakeIssueURL(72452)},
+			`unimplemented: "buffering" not yet supported for file-groups`)
+		err = errors.WithHint(err, `Use "buffered-writes".`)
+		err = errors.WithTelemetry(err, "#72452")
+		return err
 	}
 	if fc.Dir != c.FileDefaults.Dir {
 		// A directory was specified explicitly. Normalize it.