67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
/*
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* Copyright 2024 Jonas Kaninda
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package pkg
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import (
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"fmt"
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"github.com/jkaninda/goma-gateway/util"
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"gopkg.in/yaml.v3"
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"os"
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)
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func CheckConfig(fileName string) error {
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if !util.FileExists(fileName) {
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return fmt.Errorf("config file not found: %s", fileName)
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}
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buf, err := os.ReadFile(fileName)
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if err != nil {
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return err
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}
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c := &GatewayConfig{}
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err = yaml.Unmarshal(buf, c)
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if err != nil {
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return fmt.Errorf("parsing the configuration file %q: %w", fileName, err)
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}
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gateway := &GatewayServer{
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ctx: nil,
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version: c.Version,
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gateway: c.GatewayConfig,
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middlewares: c.Middlewares,
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}
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for index, route := range gateway.gateway.Routes {
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if len(route.Name) == 0 {
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fmt.Printf("Warning: route name is empty, index: [%d]", index)
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}
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if route.Destination == "" && len(route.Backends) == 0 {
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fmt.Printf("Error: no destination or backends specified for route: %s | index: [%d] \n", route.Name, index)
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}
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}
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// Check middlewares
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for index, mid := range c.Middlewares {
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if util.HasWhitespace(mid.Name) {
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fmt.Printf("Warning: Middleware contains whitespace: %s | index: [%d], please remove whitespace characters\n", mid.Name, index)
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}
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}
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fmt.Printf("Routes count=%d Middlewares count=%d\n", len(gateway.gateway.Routes), len(gateway.middlewares))
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return nil
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}
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