baize-demo/project/gateway/config/config.go

package config

import (
	"fmt"
	"git.sxidc.com/go-framework/baize/framework/core/application"
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/fslog"
	"git.sxidc.com/service-supports/scm-sdk"
	"gopkg.in/yaml.v3"
	"os"
)

type Config struct {
	ApplicationConfig application.Config
	ServicesConfig    ServicesConfig `yaml:"services"`
}

type ServicesConfig struct {
	TimeoutSec     int64  `yaml:"timeout_sec"`
	ExampleBaseUrl string `yaml:"example_base_url"`
}

var conf Config

func init() {
	useSCMEnv := os.Getenv("USE_SCM")
	if useSCMEnv == "true" {
		initConfigFromSCM()
	} else {
		initConfigFromConfigFile()
	}
}

func GetConfig() Config {
	return conf
}

func initConfigFromSCM() {
	scmBaseUrl := loadEnvOrPanic("SCM_BASE_URL")
	scmNamespace := loadEnvOrPanic("SCM_NAMESPACE")
	scmName := loadEnvOrPanic("SCM_NAME")

	info, err := scm_sdk.GetCurrentConfiguration(scmBaseUrl, scmNamespace, scmName)
	if err != nil {
		fslog.Error(err)
		panic(err)
	}

	applicationConfig, err := application.LoadFromYaml(info.Content)
	if err != nil {
		panic(err)
	}

	conf.ApplicationConfig = applicationConfig

	err = yaml.Unmarshal([]byte(info.Content), &conf)
	if err != nil {
		panic(err)
	}

	fslog.Info("Load config from scm finish")
}

func initConfigFromConfigFile() {
	configFilePath := os.Getenv("CONFIG_FILE_PATH")
	applicationConfig, err := application.LoadFromYamlFile(configFilePath)
	if err != nil {
		panic(err)
	}

	conf.ApplicationConfig = applicationConfig

	yamlBytes, err := os.ReadFile(configFilePath)
	if err != nil {
		panic(err)
	}

	err = yaml.Unmarshal(yamlBytes, &conf)
	if err != nil {
		panic(err)
	}

	fmt.Println("Load config file finish")
}

func loadEnvOrPanic(envName string) string {
	envValue := os.Getenv(envName)
	if strutils.IsStringEmpty(envValue) {
		panic("请配置" + envName)
	}

	return envValue
}