Move to Traefik

internal/config/domains.go

@@ -1,7 +1,10 @@
 package config
 
 import (
+	"fmt"
 	"strings"
+
+	"github.com/tkw1536/goprogram/lib/collection"
 )
 
 // This file contains domain related derived configuration values.
@@ -11,6 +14,22 @@ func (cfg Config) HTTPSEnabled() bool {
 	return cfg.CertbotEmail != ""
 }
 
+// HostRequirement returns a traefik rule for the given names
+func (Config) HostRule(names ...string) string {
+	quoted := collection.MapSlice(names, func(name string) string {
+		return "`" + name + "`"
+	})
+	return fmt.Sprintf("Host(%s)", strings.Join(quoted, ","))
+}
+
+// HTTPSEnabledEnv returns "true" if https is enabled, and "false" otherwise.
+func (cfg Config) HTTPSEnabledEnv() string {
+	if cfg.HTTPSEnabled() {
+		return "true"
+	}
+	return "false"
+}
+
 // IfHttps returns value when the distillery has https enabled, and the empty string otherwise.
 func (cfg Config) IfHttps(value string) string {
 	if !cfg.HTTPSEnabled() {
@@ -19,27 +38,17 @@ func (cfg Config) IfHttps(value string) string {
 	return value
 }
 
-// DefaultHost returns the default hostname for the distillery.
-//
+// DefaultHostRule returns the default traefik hostname rule for this distillery.
 // This consists of the [DefaultDomain] as well as [ExtraDomains].
-// Domain names are concatinated with commas.
-func (cfg Config) DefaultHost() string {
-	var builder strings.Builder
-
-	builder.WriteString(cfg.DefaultDomain)
-	for _, domain := range cfg.SelfExtraDomains {
-		builder.WriteRune(',')
-		builder.WriteString(domain)
-	}
-
-	return builder.String()
+func (cfg Config) DefaultHostRule() string {
+	return cfg.HostRule(append([]string{cfg.DefaultDomain}, cfg.SelfExtraDomains...)...)
 }
 
 // DefaultSSLHost returns the default hostname for the ssl version of the distillery.
 //
 // This is exactly [DefaultHost] when SSL is enabled, and the empty string otherwise.
-func (cfg Config) DefaultSSLHost() string {
-	return cfg.IfHttps(cfg.DefaultHost())
+func (cfg Config) xDefaultSSLHost() string {
+	panic("not implemented")
 }
 
 // SlugFromHost returns the slug belonging to the appropriate host.'