From aef560c7fc52092a412d9e97112b8cb879c5eda5 Mon Sep 17 00:00:00 2001 From: Matthew Holt Date: Tue, 12 May 2020 11:36:20 -0600 Subject: all: Recover from panics in goroutines --- modules/caddytls/distributedstek/distributedstek.go | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'modules/caddytls/distributedstek') diff --git a/modules/caddytls/distributedstek/distributedstek.go b/modules/caddytls/distributedstek/distributedstek.go index 6fc48a2..807f2bb 100644 --- a/modules/caddytls/distributedstek/distributedstek.go +++ b/modules/caddytls/distributedstek/distributedstek.go @@ -28,6 +28,7 @@ import ( "encoding/json" "fmt" "log" + "runtime/debug" "time" "github.com/caddyserver/caddy/v2" @@ -193,6 +194,11 @@ func (s *Provider) rotateKeys(oldSTEK distributedSTEK) (distributedSTEK, error) // rotate rotates keys on a regular basis, sending each updated set of // keys down keysChan, until doneChan is closed. func (s *Provider) rotate(doneChan <-chan struct{}, keysChan chan<- [][32]byte) { + defer func() { + if err := recover(); err != nil { + log.Printf("[PANIC] distributed STEK rotation: %v\n%s", err, debug.Stack()) + } + }() for { select { case <-s.timer.C: -- cgit v1.2.3