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prober: support filtering regions by region ID in addition to code

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Updates tailscale/corp#25758

Signed-off-by: Percy Wegmann <percy@tailscale.com>
This commit is contained in:
Percy Wegmann
2025-01-10 12:23:51 -06:00
committed by Percy Wegmann
parent a841f9d87b
commit cd795d8a7f
3 changed files with 22 additions and 22 deletions
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6
cmd/derpprobe/derpprobe.go
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@@ -32,7 +32,7 @@ var (
bwTUNIPv4Address = flag.String("bw-tun-ipv4-addr", "", "if specified, bandwidth probes will be performed over a TUN device at this address in order to exercise TCP-in-TCP in similar fashion to TCP over Tailscale via DERP; we will use a /30 subnet including this IP address")
qdPacketsPerSecond = flag.Int("qd-packets-per-second", 0, "if greater than 0, queuing delay will be measured continuously using 260 byte packets (approximate size of a CallMeMaybe packet) sent at this rate per second")
qdPacketTimeout = flag.Duration("qd-packet-timeout", 5*time.Second, "queuing delay packets arriving after this period of time from being sent are treated like dropped packets and don't count toward queuing delay timings")
regionCode = flag.String("region-code", "", "probe only this region (e.g. 'lax'); if left blank, all regions will be probed")
regionCodeOrID = flag.String("region-code", "", "probe only this region (e.g. 'lax' or '17'); if left blank, all regions will be probed")
)
func main() {
@@ -52,8 +52,8 @@ func main() {
if *bwInterval > 0 {
opts = append(opts, prober.WithBandwidthProbing(*bwInterval, *bwSize, *bwTUNIPv4Address))
}
if *regionCode != "" {
opts = append(opts, prober.WithRegion(*regionCode))
if *regionCodeOrID != "" {
opts = append(opts, prober.WithRegionCodeOrID(*regionCodeOrID))
}
dp, err := prober.DERP(p, *derpMapURL, opts...)
if err != nil {