From 55035d327a2dbd32887db0b1dcbc25dba590798f Mon Sep 17 00:00:00 2001
From: Yannick Ihmels <yannick@ihmels.org>
Date: Fri, 6 Jan 2023 20:44:00 +0100
Subject: caddytls: Add `dns_ttl` config, improve Caddyfile `tls` options
 (#5287)

---
 modules/caddytls/acmeissuer.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'modules/caddytls')

diff --git a/modules/caddytls/acmeissuer.go b/modules/caddytls/acmeissuer.go
index 2f752ed..12e300e 100644
--- a/modules/caddytls/acmeissuer.go
+++ b/modules/caddytls/acmeissuer.go
@@ -266,6 +266,7 @@ func (iss *ACMEIssuer) GetACMEIssuer() *ACMEIssuer { return iss }
 //	    propagation_delay <duration>
 //	    propagation_timeout <duration>
 //	    resolvers <dns_servers...>
+//	    dns_ttl <duration>
 //	    dns_challenge_override_domain <domain>
 //	    preferred_chains [smallest] {
 //	        root_common_name <common_names...>
@@ -445,6 +446,23 @@ func (iss *ACMEIssuer) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 					return d.ArgErr()
 				}
 
+			case "dns_ttl":
+				if !d.NextArg() {
+					return d.ArgErr()
+				}
+				ttlStr := d.Val()
+				ttl, err := caddy.ParseDuration(ttlStr)
+				if err != nil {
+					return d.Errf("invalid dns_ttl duration %s: %v", ttlStr, err)
+				}
+				if iss.Challenges == nil {
+					iss.Challenges = new(ChallengesConfig)
+				}
+				if iss.Challenges.DNS == nil {
+					iss.Challenges.DNS = new(DNSChallengeConfig)
+				}
+				iss.Challenges.DNS.TTL = caddy.Duration(ttl)
+
 			case "dns_challenge_override_domain":
 				arg := d.RemainingArgs()
 				if len(arg) != 1 {
-- 
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