doctor: add ts_omit_doctor support

Updates #12614

Change-Id: I84c166c4b99ca75d70abe4087e5ff3f7d90d4bcc
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2025-09-26 13:33:08 -07:00
committed by Brad Fitzpatrick
parent 87ee0f4e98
commit 832e94607e
14 changed files with 154 additions and 109 deletions
+2 -54
View File
@@ -43,10 +43,6 @@ import (
"tailscale.com/clientupdate"
"tailscale.com/control/controlclient"
"tailscale.com/control/controlknobs"
"tailscale.com/doctor"
"tailscale.com/doctor/ethtool"
"tailscale.com/doctor/permissions"
"tailscale.com/doctor/routetable"
"tailscale.com/drive"
"tailscale.com/envknob"
"tailscale.com/envknob/featureknob"
@@ -6706,56 +6702,8 @@ func (b *LocalBackend) handleQuad100Port80Conn(w http.ResponseWriter, r *http.Re
io.WriteString(w, "</ul>\n")
}
func (b *LocalBackend) Doctor(ctx context.Context, logf logger.Logf) {
// We can write logs too fast for logtail to handle, even when
// opting-out of rate limits. Limit ourselves to at most one message
// per 20ms and a burst of 60 log lines, which should be fast enough to
// not block for too long but slow enough that we can upload all lines.
logf = logger.SlowLoggerWithClock(ctx, logf, 20*time.Millisecond, 60, b.clock.Now)
var checks []doctor.Check
checks = append(checks,
permissions.Check{},
routetable.Check{},
ethtool.Check{},
)
// Print a log message if any of the global DNS resolvers are Tailscale
// IPs; this can interfere with our ability to connect to the Tailscale
// controlplane.
checks = append(checks, doctor.CheckFunc("dns-resolvers", func(_ context.Context, logf logger.Logf) error {
b.mu.Lock()
nm := b.NetMap()
b.mu.Unlock()
if nm == nil {
return nil
}
for i, resolver := range nm.DNS.Resolvers {
ipp, ok := resolver.IPPort()
if ok && tsaddr.IsTailscaleIP(ipp.Addr()) {
logf("resolver %d is a Tailscale address: %v", i, resolver)
}
}
for i, resolver := range nm.DNS.FallbackResolvers {
ipp, ok := resolver.IPPort()
if ok && tsaddr.IsTailscaleIP(ipp.Addr()) {
logf("fallback resolver %d is a Tailscale address: %v", i, resolver)
}
}
return nil
}))
// TODO(andrew): more
numChecks := len(checks)
checks = append(checks, doctor.CheckFunc("numchecks", func(_ context.Context, log logger.Logf) error {
log("%d checks", numChecks)
return nil
}))
doctor.RunChecks(ctx, logf, checks...)
}
// HookDoctor is an optional hook for the "doctor" problem diagnosis feature.
var HookDoctor feature.Hook[func(context.Context, *LocalBackend, logger.Logf)]
// SetDevStateStore updates the LocalBackend's state storage to the provided values.
//