forked from smallnest/rpcx
/
nacos.go
153 lines (126 loc) ยท 3.52 KB
/
nacos.go
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package serverplugin
import (
"errors"
logs "github.com/halokid/rpcx-plus/log"
"strings"
"github.com/halokid/rpcx-plus/util"
"github.com/nacos-group/nacos-sdk-go/clients"
"github.com/nacos-group/nacos-sdk-go/clients/naming_client"
"github.com/nacos-group/nacos-sdk-go/common/constant"
"github.com/nacos-group/nacos-sdk-go/vo"
)
// NacosRegisterPlugin implements consul registry.
type NacosRegisterPlugin struct {
// service address, for example, tcp@127.0.0.1:8972, quic@127.0.0.1:1234
ServiceAddress string
// nacos client config
ClientConfig constant.ClientConfig
// nacos server config
ServerConfig []constant.ServerConfig
Cluster string
Tenant string
// Registered services
Services []string
namingClient naming_client.INamingClient
dying chan struct{}
done chan struct{}
}
// Start starts to connect consul cluster
func (p *NacosRegisterPlugin) Start() error {
if p.done == nil {
p.done = make(chan struct{})
}
if p.dying == nil {
p.dying = make(chan struct{})
}
namingClient, err := clients.CreateNamingClient(map[string]interface{}{
"clientConfig": p.ClientConfig,
"serverConfigs": p.ServerConfig,
})
if err != nil {
return err
}
p.namingClient = namingClient
return nil
}
// Stop unregister all services.
func (p *NacosRegisterPlugin) Stop() error {
close(p.dying)
<-p.done
_, ip, port, _ := util.ParseRpcxAddress(p.ServiceAddress)
for _, name := range p.Services {
inst := vo.DeregisterInstanceParam{
Ip: ip,
Ephemeral: true,
Port: uint64(port),
ServiceName: name,
Cluster: p.Cluster,
}
_, err := p.namingClient.DeregisterInstance(inst)
if err != nil {
logs.Errorf("faield to deregister %s: %v", name, err)
}
}
return nil
}
// Register handles registering event.
// this service is registered at BASE/serviceName/thisIpAddress node
func (p *NacosRegisterPlugin) Register(name string, rcvr interface{}, metadata string) (err error) {
if "" == strings.TrimSpace(name) {
return errors.New("Register service `name` can't be empty")
}
network, ip, port, err := util.ParseRpcxAddress(p.ServiceAddress)
if err != nil {
logs.Errorf("failed to parse rpcx addr in Register: %v", err)
return err
}
meta := util.ConvertMeta2Map(metadata)
meta["network"] = network
inst := vo.RegisterInstanceParam{
Ip: ip,
Port: uint64(port),
ServiceName: name,
Metadata: meta,
ClusterName: p.Cluster,
Tenant: p.Tenant,
Enable: true,
Healthy: true,
Ephemeral: true,
}
_, err = p.namingClient.RegisterInstance(inst)
if err != nil {
logs.Errorf("failed to register %s: %v", name, err)
return err
}
p.Services = append(p.Services, name)
return
}
func (p *NacosRegisterPlugin) RegisterFunction(serviceName, fname string, fn interface{}, metadata string) error {
return p.Register(serviceName, fn, metadata)
}
func (p *NacosRegisterPlugin) Unregister(name string) (err error) {
if "" == strings.TrimSpace(name) {
return errors.New("Unregister service `name` can't be empty")
}
_, ip, port, err := util.ParseRpcxAddress(p.ServiceAddress)
inst := vo.DeregisterInstanceParam{
Ip: ip,
Ephemeral: true,
Port: uint64(port),
ServiceName: name,
Cluster: p.Cluster,
}
_, err = p.namingClient.DeregisterInstance(inst)
if err != nil {
logs.Errorf("failed to deregister %s: %v", name, err)
return err
}
var services = make([]string, 0, len(p.Services)-1)
for _, s := range p.Services {
if s != name {
services = append(services, s)
}
}
p.Services = services
return nil
}