ACME TLS ALPN

vendor/github.com/xenolf/lego/platform/config/env/env.go

@@ -0,0 +1,27 @@
+package env
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+// Get environment variables
+func Get(names ...string) (map[string]string, error) {
+	values := map[string]string{}
+
+	var missingEnvVars []string
+	for _, envVar := range names {
+		value := os.Getenv(envVar)
+		if value == "" {
+			missingEnvVars = append(missingEnvVars, envVar)
+		}
+		values[envVar] = value
+	}
+
+	if len(missingEnvVars) > 0 {
+		return nil, fmt.Errorf("some credentials information are missing: %s", strings.Join(missingEnvVars, ","))
+	}
+
+	return values, nil
+}