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prober: allow custom tls.Config for TLS probes (#17186)

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Updates https://github.com/tailscale/corp/issues/28569

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
This commit is contained in:
Andrew Lytvynov
2025-09-18 09:10:33 -07:00
committed by GitHub
parent 73bbd7caca
commit 70dfdac609
5 changed files with 38 additions and 20 deletions
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5
prober/derp.go
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@@ -8,6 +8,7 @@ import (
"cmp"
"context"
crand "crypto/rand"
"crypto/tls"
"encoding/binary"
"encoding/json"
"errors"
@@ -68,7 +69,7 @@ type derpProber struct {
ProbeMap ProbeClass
// Probe classes for probing individual derpers.
tlsProbeFn func(string) ProbeClass
tlsProbeFn func(string, *tls.Config) ProbeClass
udpProbeFn func(string, int) ProbeClass
meshProbeFn func(string, string) ProbeClass
bwProbeFn func(string, string, int64) ProbeClass
@@ -206,7 +207,7 @@ func (d *derpProber) probeMapFn(ctx context.Context) error {
if d.probes[n] == nil {
log.Printf("adding DERP TLS probe for %s (%s) every %v", server.Name, region.RegionName, d.tlsInterval)
derpPort := cmp.Or(server.DERPPort, 443)
d.probes[n] = d.p.Run(n, d.tlsInterval, labels, d.tlsProbeFn(fmt.Sprintf("%s:%d", server.HostName, derpPort)))
d.probes[n] = d.p.Run(n, d.tlsInterval, labels, d.tlsProbeFn(fmt.Sprintf("%s:%d", server.HostName, derpPort), nil))
}
}