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tailcfg: move LogHeapPprof from Debug to c2n [capver 69]

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And delete Debug.GoroutineDumpURL, which was already in c2n.

Updates #8923

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2023-08-16 20:03:57 -07:00
committed by Brad Fitzpatrick
parent 24509f8b22
commit 239ad57446
10 changed files with 32 additions and 119 deletions
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40
control/controlclient/debug.go
View File

@@ -1,40 +0,0 @@
// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package controlclient
import (
"bytes"
"compress/gzip"
"context"
"log"
"net/http"
"time"
"tailscale.com/util/goroutines"
)
func dumpGoroutinesToURL(c *http.Client, targetURL string) {
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
zbuf := new(bytes.Buffer)
zw := gzip.NewWriter(zbuf)
zw.Write(goroutines.ScrubbedGoroutineDump(true))
zw.Close()
req, err := http.NewRequestWithContext(ctx, "PUT", targetURL, zbuf)
if err != nil {
log.Printf("dumpGoroutinesToURL: %v", err)
return
}
req.Header.Set("Content-Encoding", "gzip")
t0 := time.Now()
_, err = c.Do(req)
d := time.Since(t0).Round(time.Millisecond)
if err != nil {
log.Printf("dumpGoroutinesToURL error: %v to %v (after %v)", err, targetURL, d)
} else {
log.Printf("dumpGoroutinesToURL complete to %v (after %v)", targetURL, d)
}
}

7
control/controlclient/direct.go
View File

@@ -32,7 +32,6 @@ import (
"tailscale.com/health"
"tailscale.com/hostinfo"
"tailscale.com/ipn/ipnstate"
"tailscale.com/log/logheap"
"tailscale.com/logtail"
"tailscale.com/net/dnscache"
"tailscale.com/net/dnsfallback"
@@ -1096,12 +1095,6 @@ func (c *Direct) sendMapRequest(ctx context.Context, isStreaming bool, nu Netmap
logtail.Disable()
envknob.SetNoLogsNoSupport()
}
if resp.Debug.LogHeapPprof {
go logheap.LogHeap(resp.Debug.LogHeapURL)
}
if resp.Debug.GoroutineDumpURL != "" {
go dumpGoroutinesToURL(c.httpc, resp.Debug.GoroutineDumpURL)
}
if sleep := time.Duration(resp.Debug.SleepSeconds * float64(time.Second)); sleep > 0 {
if err := sleepAsRequested(ctx, c.logf, timeoutReset, sleep, c.clock); err != nil {
return err