/
config.go
315 lines (266 loc) · 7.4 KB
/
config.go
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package bootstrap
import (
"os"
"strings"
"google.golang.org/grpc"
"github.com/go-kratos/kratos/v2/config"
"github.com/go-kratos/kratos/v2/log"
// file
fileKratos "github.com/go-kratos/kratos/v2/config/file"
// etcd
etcdKratos "github.com/go-kratos/kratos/contrib/config/etcd/v2"
etcdClient "go.etcd.io/etcd/client/v3"
// consul
consulKratos "github.com/go-kratos/kratos/contrib/config/consul/v2"
consulApi "github.com/hashicorp/consul/api"
// nacos
nacosKratos "github.com/go-kratos/kratos/contrib/config/nacos/v2"
nacosClients "github.com/nacos-group/nacos-sdk-go/clients"
nacosConstant "github.com/nacos-group/nacos-sdk-go/common/constant"
nacosVo "github.com/nacos-group/nacos-sdk-go/vo"
// apollo
apolloKratos "github.com/go-kratos/kratos/contrib/config/apollo/v2"
"github.com/beiduoke/go-scaffold/api/common/conf"
)
const remoteConfigSourceConfigFile = "remote.yaml"
// 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) *conf.Bootstrap {
cfg := NewConfigProvider(configPath)
if err := cfg.Load(); err != nil {
panic(err)
}
var bc conf.Bootstrap
if err := cfg.Scan(&bc); err != nil {
panic(err)
}
if bc.Server == nil {
bc.Server = &conf.Server{}
_ = cfg.Scan(&bc.Server)
}
if bc.Client == nil {
bc.Client = &conf.Client{}
_ = cfg.Scan(&bc.Client)
}
if bc.Data == nil {
bc.Data = &conf.Data{}
_ = cfg.Scan(&bc.Data)
}
if bc.Trace == nil {
bc.Trace = &conf.Tracer{}
_ = cfg.Scan(&bc.Trace)
}
if bc.Logger == nil {
bc.Logger = &conf.Logger{}
_ = cfg.Scan(&bc.Logger)
}
if bc.Registry == nil {
bc.Registry = &conf.Registry{}
_ = cfg.Scan(&bc.Registry)
}
if bc.Oss == nil {
bc.Oss = &conf.OSS{}
_ = cfg.Scan(&bc.Oss)
}
if bc.Notify == nil {
bc.Notify = &conf.Notification{}
_ = cfg.Scan(&bc.Notify)
}
if bc.Base == nil {
bc.Base = &conf.Base{}
_ = cfg.Scan(&bc.Base)
}
return &bc
}
func pathExists(path string) bool {
_, err := os.Stat(path)
if err == nil {
return true
}
if os.IsNotExist(err) {
return false
}
return false
}
// 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) {
err := cfg.Close()
if err != nil {
panic(err)
}
}(cfg)
var err error
if err = cfg.Load(); err != nil {
return err, nil
}
var rc conf.Bootstrap
if err = cfg.Scan(&rc); err != nil {
return err, nil
}
return nil, rc.Config
}
type ConfigType string
const (
ConfigTypeLocalFile ConfigType = "file"
ConfigTypeNacos ConfigType = "nacos"
ConfigTypeConsul ConfigType = "consul"
ConfigTypeEtcd ConfigType = "etcd"
ConfigTypeApollo ConfigType = "apollo"
ConfigTypePolaris ConfigType = "polaris"
)
// NewRemoteConfigSource 创建一个远程配置源
func NewRemoteConfigSource(c *conf.RemoteConfig) config.Source {
switch ConfigType(c.Type) {
default:
fallthrough
case ConfigTypeLocalFile:
return nil
case ConfigTypeNacos:
return NewNacosConfigSource(c)
case ConfigTypeConsul:
return NewConsulConfigSource(c)
case ConfigTypeEtcd:
return NewEtcdConfigSource(c)
case ConfigTypeApollo:
return NewApolloConfigSource(c)
case ConfigTypePolaris:
return NewPolarisConfigSource(c)
}
}
// getConfigKey 获取合法的配置名
func getConfigKey(configKey string, useBackslash bool) string {
if useBackslash {
return strings.Replace(configKey, `.`, `/`, -1)
} else {
return configKey
}
}
// NewFileConfigSource 创建一个本地文件配置源
func NewFileConfigSource(filePath string) config.Source {
return fileKratos.NewSource(filePath)
}
// NewNacosConfigSource 创建一个远程配置源 - Nacos
func NewNacosConfigSource(c *conf.RemoteConfig) config.Source {
srvConf := []nacosConstant.ServerConfig{
*nacosConstant.NewServerConfig(c.Nacos.Address, c.Nacos.Port),
}
cliConf := nacosConstant.ClientConfig{
TimeoutMs: 10 * 1000, // http请求超时时间,单位毫秒
BeatInterval: 5 * 1000, // 心跳间隔时间,单位毫秒
UpdateThreadNum: 20, // 更新服务的线程数
LogLevel: "debug",
CacheDir: "../../configs/cache", // 缓存目录
LogDir: "../../configs/log", // 日志目录
NotLoadCacheAtStart: true, // 在启动时不读取本地缓存数据,true--不读取,false--读取
UpdateCacheWhenEmpty: true, // 当服务列表为空时是否更新本地缓存,true--更新,false--不更新
}
nacosClient, err := nacosClients.NewConfigClient(
nacosVo.NacosClientParam{
ClientConfig: &cliConf,
ServerConfigs: srvConf,
},
)
if err != nil {
log.Fatal(err)
}
return nacosKratos.NewConfigSource(nacosClient,
nacosKratos.WithGroup(getConfigKey(c.Nacos.Key, false)),
nacosKratos.WithDataID("bootstrap.yaml"),
)
}
// NewEtcdConfigSource 创建一个远程配置源 - Etcd
func NewEtcdConfigSource(c *conf.RemoteConfig) config.Source {
cfg := etcdClient.Config{
Endpoints: c.Etcd.Endpoints,
DialTimeout: c.Etcd.Timeout.AsDuration(),
DialOptions: []grpc.DialOption{grpc.WithBlock()},
}
cli, err := etcdClient.New(cfg)
if err != nil {
panic(err)
}
source, err := etcdKratos.New(cli, etcdKratos.WithPath(getConfigKey(c.Etcd.Key, true)))
if err != nil {
log.Fatal(err)
}
return source
}
// NewConsulConfigSource 创建一个远程配置源 - Consul
func NewConsulConfigSource(c *conf.RemoteConfig) config.Source {
cfg := consulApi.DefaultConfig()
cfg.Address = c.Consul.Address
cfg.Scheme = c.Consul.Scheme
cli, err := consulApi.NewClient(cfg)
if err != nil {
log.Fatal(err)
}
source, err := consulKratos.New(cli,
consulKratos.WithPath(getConfigKey(c.Consul.Key, true)),
)
if err != nil {
log.Fatal(err)
}
return source
}
// NewApolloConfigSource 创建一个远程配置源 - Apollo
func NewApolloConfigSource(c *conf.RemoteConfig) config.Source {
source := apolloKratos.NewSource(
apolloKratos.WithAppID(c.Apollo.AppId),
apolloKratos.WithCluster(c.Apollo.Cluster),
apolloKratos.WithEndpoint(c.Apollo.Endpoint),
apolloKratos.WithNamespace(c.Apollo.Namespace),
apolloKratos.WithSecret(c.Apollo.Secret),
apolloKratos.WithEnableBackup(),
)
return source
}
// NewPolarisConfigSource 创建一个远程配置源 - Polaris
func NewPolarisConfigSource(_ *conf.RemoteConfig) config.Source {
//configApi, err := polarisApi.NewConfigAPI()
//if err != nil {
// log.Fatal(err)
//}
//
//var opts []polarisKratos.Option
//opts = append(opts, polarisKratos.WithNamespace("default"))
//opts = append(opts, polarisKratos.WithFileGroup("default"))
//opts = append(opts, polarisKratos.WithFileName("default.yaml"))
//
//source, err := polarisKratos.New(configApi, opts...)
//if err != nil {
// log.Fatal(err)
//}
//
//return source
return nil
}