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tsweb, derp: add expvar http.Handler for Prometheus's format

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And add some opinions.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2020-03-03 11:33:22 -08:00
committed by Brad Fitzpatrick
parent 89a2c3eb04
commit e371520cc5
4 changed files with 131 additions and 67 deletions
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15
cmd/derper/derper.go
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@ -104,6 +104,7 @@ func main() {
*logCollection = ""
*addr = ":3340" // above the keys DERP
log.Printf("Running in dev mode.")
tsweb.DevMode = true
}
var logPol *logpolicy.Policy
@ -213,13 +214,13 @@ func serveSTUN() {
}
log.Printf("running STUN server on %v", pc.LocalAddr())
var (
stunReadErrors = expvar.NewInt("stun-read-error")
stunWriteErrors = expvar.NewInt("stun-write-error")
stunReadNotSTUN = expvar.NewInt("stun-read-not-stun")
stunReadNotSTUNValid = expvar.NewInt("stun-read-not-stun-valid")
stunReadIPv4 = expvar.NewInt("stun-read-ipv4")
stunReadIPv6 = expvar.NewInt("stun-read-ipv6")
stunWrite = expvar.NewInt("stun-write")
stunReadErrors = expvar.NewInt("stun_read_error")
stunWriteErrors = expvar.NewInt("stun_write_error")
stunReadNotSTUN = expvar.NewInt("stun_read_not_stun")
stunReadNotSTUNValid = expvar.NewInt("stun_read_not_stun_valid")
stunReadIPv4 = expvar.NewInt("stun_read_ipv4")
stunReadIPv6 = expvar.NewInt("stun_read_ipv6")
stunWrite = expvar.NewInt("stun_write")
)
var buf [64 << 10]byte
for {