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fix panic if derp update is 0 (#2368)

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* fix panic if derp update is 0

Fixes #2362

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* update changelog

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

---------

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
Kristoffer Dalby 2025-01-23 16:16:12 +01:00 committed by GitHub
parent 9e3f945eda
commit d1dbe4ece9
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2 changed files with 8 additions and 6 deletions
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2
CHANGELOG.md
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@ -17,6 +17,8 @@
[#2364](https://github.com/juanfont/headscale/pull/2364) [#2364](https://github.com/juanfont/headscale/pull/2364)
- Remove invalid routes and add stronger constraints for routes to avoid API panic - Remove invalid routes and add stronger constraints for routes to avoid API panic
[#2371](https://github.com/juanfont/headscale/pull/2371) [#2371](https://github.com/juanfont/headscale/pull/2371)
- Fix panic when `derp.update_frequency` is 0
[#2368](https://github.com/juanfont/headscale/pull/2368)
## 0.24.0 (2025-01-17) ## 0.24.0 (2025-01-17)

8
hscontrol/app.go
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@ -245,11 +245,11 @@ func (h *Headscale) scheduledTasks(ctx context.Context) {
lastExpiryCheck := time.Unix(0, 0) lastExpiryCheck := time.Unix(0, 0)
derpTickerChan := make(<-chan time.Time)
if h.cfg.DERP.AutoUpdate && h.cfg.DERP.UpdateFrequency != 0 {
derpTicker := time.NewTicker(h.cfg.DERP.UpdateFrequency) derpTicker := time.NewTicker(h.cfg.DERP.UpdateFrequency)
defer derpTicker.Stop() defer derpTicker.Stop()
// If we dont want auto update, just stop the ticker derpTickerChan = derpTicker.C
if !h.cfg.DERP.AutoUpdate {
derpTicker.Stop()
} }
var extraRecordsUpdate <-chan []tailcfg.DNSRecord var extraRecordsUpdate <-chan []tailcfg.DNSRecord
@ -285,7 +285,7 @@ func (h *Headscale) scheduledTasks(ctx context.Context) {
h.nodeNotifier.NotifyAll(ctx, update) h.nodeNotifier.NotifyAll(ctx, update)
} }
case <-derpTicker.C: case <-derpTickerChan:
log.Info().Msg("Fetching DERPMap updates") log.Info().Msg("Fetching DERPMap updates")
h.DERPMap = derp.GetDERPMap(h.cfg.DERP) h.DERPMap = derp.GetDERPMap(h.cfg.DERP)
if h.cfg.DERP.ServerEnabled && h.cfg.DERP.AutomaticallyAddEmbeddedDerpRegion { if h.cfg.DERP.ServerEnabled && h.cfg.DERP.AutomaticallyAddEmbeddedDerpRegion {