feat: refactor.

config/config.go

@@ -0,0 +1,141 @@
+package config
+
+import (
+	"github.com/go-kratos/kratos/v2/config"
+	"github.com/go-kratos/kratos/v2/log"
+
+	fileKratos "github.com/go-kratos/kratos/v2/config/file"
+
+	"github.com/tx7do/kratos-bootstrap/config/apollo"
+	"github.com/tx7do/kratos-bootstrap/config/consul"
+	"github.com/tx7do/kratos-bootstrap/config/etcd"
+	"github.com/tx7do/kratos-bootstrap/config/kubernetes"
+	"github.com/tx7do/kratos-bootstrap/config/nacos"
+	"github.com/tx7do/kratos-bootstrap/config/polaris"
+
+	conf "github.com/tx7do/kratos-bootstrap/api/gen/go/conf/v1"
+)
+
+const remoteConfigSourceConfigFile = "remote.yaml"
+
+type Type string
+
+const (
+	LocalFileType  Type = "file"
+	NacosType      Type = "nacos"
+	ConsulType     Type = "consul"
+	EtcdType       Type = "etcd"
+	ApolloType     Type = "apollo"
+	KubernetesType Type = "kubernetes"
+	PolarisType    Type = "polaris"
+)
+
+// NewRemoteConfigSource 创建一个远程配置源
+func NewRemoteConfigSource(c *conf.RemoteConfig) config.Source {
+	switch Type(c.Type) {
+	default:
+		fallthrough
+	case LocalFileType:
+		return nil
+	case NacosType:
+		return nacos.NewConfigSource(c)
+	case ConsulType:
+		return consul.NewConfigSource(c)
+	case EtcdType:
+		return etcd.NewConfigSource(c)
+	case ApolloType:
+		return apollo.NewConfigSource(c)
+	case KubernetesType:
+		return kubernetes.NewConfigSource(c)
+	case PolarisType:
+		return polaris.NewConfigSource(c)
+	}
+}
+
+// NewFileConfigSource 创建一个本地文件配置源
+func NewFileConfigSource(filePath string) config.Source {
+	return fileKratos.NewSource(filePath)
+}
+
+// NewConfigProvider 创建一个配置
+func NewConfigProvider(configPath string) config.Config {
+	err, rc := LoadRemoteConfigSourceConfigs(configPath)
+	if err != nil {
+		log.Error("LoadRemoteConfigSourceConfigs: ", err.Error())
+	}
+	if rc != nil {
+		return config.New(
+			config.WithSource(
+				NewFileConfigSource(configPath),
+				NewRemoteConfigSource(rc),
+			),
+		)
+	} else {
+		return config.New(
+			config.WithSource(
+				NewFileConfigSource(configPath),
+			),
+		)
+	}
+}
+
+// LoadBootstrapConfig 加载程序引导配置
+func LoadBootstrapConfig(configPath string) error {
+	cfg := NewConfigProvider(configPath)
+
+	var err error
+
+	if err = cfg.Load(); err != nil {
+		return err
+	}
+
+	initBootstrapConfig()
+
+	if err = scanConfigs(cfg); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func scanConfigs(cfg config.Config) error {
+	initBootstrapConfig()
+
+	for _, c := range configList {
+		if err := cfg.Scan(c); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// LoadRemoteConfigSourceConfigs 加载远程配置源的本地配置
+func LoadRemoteConfigSourceConfigs(configPath string) (error, *conf.RemoteConfig) {
+	configPath = configPath + "/" + remoteConfigSourceConfigFile
+	if !pathExists(configPath) {
+		return nil, nil
+	}
+
+	cfg := config.New(
+		config.WithSource(
+			NewFileConfigSource(configPath),
+		),
+	)
+	defer func(cfg config.Config) {
+		if err := cfg.Close(); err != nil {
+			panic(err)
+		}
+	}(cfg)
+
+	var err error
+
+	if err = cfg.Load(); err != nil {
+		return err, nil
+	}
+
+	if err = scanConfigs(cfg); err != nil {
+		return err, nil
+	}
+
+	return nil, GetBootstrapConfig().Config
+}