chore: import upstream snapshot with attribution

internal/install/install_main.go

@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package install
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/apache/answer/internal/base/path"
+	"github.com/apache/answer/internal/base/translator"
+	"github.com/joho/godotenv"
+)
+
+var (
+	port     string
+	confPath = ""
+)
+
+func init() {
+	_ = godotenv.Load()
+	port = os.Getenv("INSTALL_PORT")
+}
+
+func Run(configPath string) {
+	confPath = configPath
+	// initialize translator for return internationalization error when installing.
+	_, err := translator.NewTranslator(&translator.I18n{BundleDir: path.I18nPath})
+	if err != nil {
+		panic(err)
+	}
+
+	// try to install by env
+	if installByEnv, err := TryToInstallByEnv(); installByEnv && err != nil {
+		fmt.Printf("[auto-install] try to init by env fail: %v\n", err)
+	}
+
+	installServer := NewInstallHTTPServer()
+	if len(port) == 0 {
+		port = "80"
+	}
+	fmt.Printf("[SUCCESS] answer installation service will run at: http://localhost:%s/install/ \n", port)
+	if err = installServer.Run(":" + port); err != nil {
+		panic(err)
+	}
+}