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all: Recover from panics in goroutines

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This commit is contained in:
Matthew Holt 2020-05-12 11:36:20 -06:00
parent 44536a7594
commit aef560c7fc
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10 changed files with 86 additions and 33 deletions
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6
modules/caddytls/standardstek/stek.go
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@ -16,6 +16,7 @@ package standardstek
import (
"log"
"runtime/debug"
"sync"
"time"
@ -81,6 +82,11 @@ func (s *standardSTEKProvider) Next(doneChan <-chan struct{}) <-chan [][32]byte
// rotate rotates keys on a regular basis, sending each updated set of
// keys down keysChan, until doneChan is closed.
func (s *standardSTEKProvider) rotate(doneChan <-chan struct{}, keysChan chan<- [][32]byte) {
defer func() {
if err := recover(); err != nil {
log.Printf("[PANIC] standard STEK rotation: %v\n%s", err, debug.Stack())
}
}()
for {
select {
case now := <-s.timer.C: