tsweb: export go_version in standard expvar vars

For monitoring. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-09-20 09:47:19 -07:00 · 2022-09-20 09:47:19 -07:00 · aa5e494aba
parent ff13c66f55
commit aa5e494aba
1 changed files with 1 additions and 0 deletions
--- a/tsweb/tsweb.go
+++ b/tsweb/tsweb.go
@ -37,6 +37,7 @@ import (
 func init() {
 	expvar.Publish("process_start_unix_time", expvar.Func(func() any { return timeStart.Unix() }))
 	expvar.Publish("version", expvar.Func(func() any { return version.Long }))
+	expvar.Publish("go_version", expvar.Func(func() any { return runtime.Version() }))
 	expvar.Publish("counter_uptime_sec", expvar.Func(func() any { return int64(Uptime().Seconds()) }))
 	expvar.Publish("gauge_goroutines", expvar.Func(func() any { return runtime.NumGoroutine() }))
 }