fix: TTL

providers/dns/eurodns/eurodns.go

@@ -41,7 +41,7 @@ type Config struct {
 // NewDefaultConfig returns a default configuration for the DNSProvider.
 func NewDefaultConfig() *Config {
 	return &Config{
-		TTL:                env.GetOrDefaultInt(EnvTTL, dns01.DefaultTTL),
+		TTL:                env.GetOrDefaultInt(EnvTTL, internal.DefaultTTL),
 		PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, dns01.DefaultPropagationTimeout),
 		PollingInterval:    env.GetOrDefaultSecond(EnvPollingInterval, dns01.DefaultPollingInterval),
 		HTTPClient: &http.Client{
@@ -118,7 +118,7 @@ func (d *DNSProvider) Present(domain, token, keyAuth string) error {
 	zone.Records = append(zone.Records, internal.Record{
 		Type:    "TXT",
 		Host:    subDomain,
-		TTL:     d.config.TTL,
+		TTL:     internal.TTLRounder(d.config.TTL),
 		RData:   info.Value,
 		Updated: true,
 	})

providers/dns/eurodns/eurodns.toml

@@ -15,10 +15,10 @@ lego --dns eurodns -d '*.example.com' -d example.com run
     EURODNS_APP_ID = "Application ID"
     EURODNS_API_KEY = "API key"
   [Configuration.Additional]
-    EURODNS_POLLING_INTERVAL = "Time between DNS propagation check"
-    EURODNS_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation"
-    EURODNS_TTL = "The TTL of the TXT record used for the DNS challenge"
-    EURODNS_HTTP_TIMEOUT = "API request timeout"
+    EURODNS_POLLING_INTERVAL = "Time between DNS propagation check in seconds (Default: 2)"
+    EURODNS_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation in seconds (Default: 60)"
+    EURODNS_TTL = "The TTL of the TXT record used for the DNS challenge in seconds (Default: 600)"
+    EURODNS_HTTP_TIMEOUT = "API request timeout in seconds (Default: 30)"
 
 [Links]
   API = "https://docapi.eurodns.com/"

providers/dns/eurodns/internal/client.go

@@ -47,6 +47,7 @@ func NewClient(appID, apiKey string) (*Client, error) {
 }
 
 // GetZone gets a DNS Zone.
+// https://docapi.eurodns.com/#/dnsprovider/getdnszone
 func (c *Client) GetZone(ctx context.Context, domain string) (*Zone, error) {
 	endpoint := c.BaseURL.JoinPath(domain)
 
@@ -66,6 +67,7 @@ func (c *Client) GetZone(ctx context.Context, domain string) (*Zone, error) {
 }
 
 // SaveZone saves a DNS Zone.
+// https://docapi.eurodns.com/#/dnsprovider/savednszone
 func (c *Client) SaveZone(ctx context.Context, domain string, zone *Zone) error {
 	endpoint := c.BaseURL.JoinPath(domain)
 
@@ -78,6 +80,7 @@ func (c *Client) SaveZone(ctx context.Context, domain string, zone *Zone) error
 }
 
 // ValidateZone validates DNS Zone.
+// https://docapi.eurodns.com/#/dnsprovider/checkdnszone
 func (c *Client) ValidateZone(ctx context.Context, domain string, zone *Zone) (*Zone, error) {
 	endpoint := c.BaseURL.JoinPath(domain, "check")
 
@@ -164,3 +167,17 @@ func parseError(req *http.Request, resp *http.Response) error {
 
 	return fmt.Errorf("%d: %w", resp.StatusCode, &errAPI)
 }
+
+const DefaultTTL = 600
+
+// TTLRounder rounds the given TTL in seconds to the next accepted value.
+// Accepted TTL values are: 600, 900, 1800,3600, 7200, 14400, 21600, 43200, 86400, 172800, 432000, 604800.
+func TTLRounder(ttl int) int {
+	for _, validTTL := range []int{DefaultTTL, 900, 1800, 3600, 7200, 14400, 21600, 43200, 86400, 172800, 432000, 604800} {
+		if ttl <= validTTL {
+			return validTTL
+		}
+	}
+
+	return DefaultTTL
+}

providers/dns/eurodns/internal/client_test.go

@@ -73,7 +73,7 @@ func TestClient_SaveZone(t *testing.T) {
 		Type:    "TXT",
 		Host:    "_acme-challenge",
 		RData:   "ADw2sEd82DUgXcQ9hNBZThJs7zVJkR5v9JeSbAb9mZY",
-		TTL:     120,
+		TTL:     600,
 		Updated: true,
 	}
 
@@ -107,7 +107,7 @@ func TestClient_ValidateZone(t *testing.T) {
 		Type:    "TXT",
 		Host:    "_acme-challenge",
 		RData:   "ADw2sEd82DUgXcQ9hNBZThJs7zVJkR5v9JeSbAb9mZY",
-		TTL:     120,
+		TTL:     600,
 		Updated: true,
 	}
 

providers/dns/eurodns/internal/fixtures/zones_add.json

@@ -14,7 +14,7 @@
     {
       "type": "TXT",
       "host": "_acme-challenge",
-      "ttl": 120,
+      "ttl": 600,
       "rdata": "ADw2sEd82DUgXcQ9hNBZThJs7zVJkR5v9JeSbAb9mZY",
       "updated": true,
       "locked": false,