Add the posibility to use propagation wait and disable propagation checks in the letsencrypt module

.clabot

@@ -1,4 +1,4 @@
 {
-  "contributors": ["azukaar", "jwr1", "Jogai", "InterN0te", "catmandx", "revam", "Kawanaao", "davis4acca", "george-radu-cs", "BearTS", "lilkidsuave", "ryan-schubert", "madejackson", "RaidMax", "r41d"],
+  "contributors": ["azukaar", "jwr1", "Jogai", "InterN0te", "catmandx", "revam", "Kawanaao", "davis4acca", "george-radu-cs", "BearTS", "lilkidsuave", "ryan-schubert", "madejackson", "RaidMax", "r41d","moham96"],
   "message": "We require contributors to sign our [Contributor License Agreement](https://github.com/azukaar/Cosmos-Server/blob/master/cla.md). In order for us to review and merge your code, add yourself to the .clabot file as contributor, as a way of signing the CLA."
 }

src/utils/certificates.go

@@ -304,8 +304,13 @@ func DoLetsEncrypt() (string, string) {
 			}
 		}
 
+		var PropagationWait = time.Duration(config.HTTPConfig.DNSChallengePropagationWait) * time.Second
+
 		err = client.Challenge.SetDNS01Provider(provider,
-			dns01.AddRecursiveNameservers(resolvers))
+			dns01.AddRecursiveNameservers(resolvers),
+			dns01.CondOption(config.HTTPConfig.DisablePropagationChecks,
+				dns01.PropagationWait(PropagationWait, true)),
+		)
 	} else {
 		err = client.Challenge.SetHTTP01Provider(http01.NewProviderServer("", config.HTTPConfig.HTTPPort))
 		if err != nil {

src/utils/types.go

@@ -175,6 +175,8 @@ type HTTPConfig struct {
 	GenerateMissingAuthCert bool
 	HTTPSCertificateMode string
 	DNSChallengeProvider string
+	DisablePropagationChecks bool
+	DNSChallengePropagationWait int
 	ForceHTTPSCertificateRenewal bool
 	HTTPPort string `validate:"required,containsany=0123456789,min=1,max=6"`
 	HTTPSPort string `validate:"required,containsany=0123456789,min=1,max=6"`

src/utils/utils.go

@@ -101,6 +101,8 @@ var DefaultConfig = Config{
 		ProxyConfig: ProxyConfig{
 			Routes: []ProxyRouteConfig{},
 		},
+		DisablePropagationChecks:    false,
+		DNSChallengePropagationWait: 30,
 	},
 	DockerConfig: DockerConfig{
 		DefaultDataPath: "/cosmos-storage",