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90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package polaris
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import (
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"context"
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"fmt"
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"strings"
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"github.com/polarismesh/polaris-go"
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"github.com/polarismesh/polaris-go/pkg/model"
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"github.com/gogf/gf/v2/net/gsvc"
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"github.com/gogf/gf/v2/util/gconv"
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)
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// Search returns the service instances in memory according to the service name.
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func (r *Registry) Search(ctx context.Context, in gsvc.SearchInput) ([]gsvc.Service, error) {
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if in.Prefix == "" && in.Name != "" {
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service := &Service{
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Service: gsvc.NewServiceWithName(in.Name),
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}
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in.Prefix = service.GetPrefix()
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}
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// get all instances
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instancesResponse, err := r.consumer.GetAllInstances(&polaris.GetAllInstancesRequest{
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GetAllInstancesRequest: model.GetAllInstancesRequest{
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Service: in.Prefix,
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Namespace: r.opt.Namespace,
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Timeout: &r.opt.Timeout,
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RetryCount: &r.opt.RetryCount,
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},
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})
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if err != nil {
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return nil, err
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}
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serviceInstances := instancesToServiceInstances(instancesResponse.GetInstances())
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return serviceInstances, nil
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}
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// Watch creates a watcher according to the service name.
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func (r *Registry) Watch(ctx context.Context, serviceName string) (gsvc.Watcher, error) {
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return newWatcher(ctx, r.opt.Namespace, serviceName, r.consumer)
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}
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func instancesToServiceInstances(instances []model.Instance) []gsvc.Service {
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serviceInstances := make([]gsvc.Service, 0, len(instances))
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for _, instance := range instances {
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if instance.IsHealthy() {
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serviceInstances = append(serviceInstances, instanceToServiceInstance(instance))
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}
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}
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return serviceInstances
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}
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func instanceToServiceInstance(instance model.Instance) gsvc.Service {
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var (
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s *gsvc.LocalService
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metadata = instance.GetMetadata()
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names = strings.Split(instance.GetService(), instanceIDSeparator)
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endpoints = gsvc.NewEndpoints(fmt.Sprintf("%s:%d", instance.GetHost(), instance.GetPort()))
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)
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if names != nil && len(names) > 4 {
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s = &gsvc.LocalService{
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Head: names[0],
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Deployment: names[1],
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Namespace: names[2],
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Name: names[3],
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Version: metadata[metadataKeyVersion],
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Metadata: gconv.Map(metadata),
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Endpoints: endpoints,
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}
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} else {
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s = &gsvc.LocalService{
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Name: instance.GetService(),
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Namespace: instance.GetNamespace(),
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Version: metadata[metadataKeyVersion],
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Metadata: gconv.Map(metadata),
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Endpoints: endpoints,
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}
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}
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return &Service{
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Service: s,
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}
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}
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