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tsweb: export go_version in standard expvar vars 

For monitoring.

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