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plugin/cache: Fix timed stale caused refreshes (#8587)

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This commit is contained in:
Yong Tang
2026-09-30 01:18:21 -07:00
committed by GitHub
parent 9fbbdd2698
commit 8f7b2a66ea
2 changed files with 45 additions and 4 deletions
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6
plugin/cache/handler.go vendored
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@@ -54,7 +54,7 @@ func (c *Cache) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg)
if c.verifyStale {
failureRecheck := c.staleRecheck
nowFunc := c.now
trackRefresh := failureRecheck > 0
trackRefresh := failureRecheck > 0 || c.verifyStaleTimeout > 0
if !trackRefresh || i.beginRefresh(now, failureRecheck) {
refreshState := authenticatedRefreshState(state)
crr := &ResponseWriter{ResponseWriter: w, Cache: c, state: refreshState, server: server, do: do, ad: ad, cd: cd}
@@ -187,9 +187,7 @@ func (c *Cache) verifyWithTimeout(ctx context.Context, state request.Request, w
}
go func() {
rc, re := c.doRefresh(refreshCtx, state, cw)
if failureRecheck > 0 {
i.endRefresh(now(), failureRecheck, cw.refreshed)
}
i.endRefresh(now(), failureRecheck, cw.refreshed)
done <- result{rc, re}
}()
timer := time.NewTimer(c.verifyStaleTimeout)