/
agent.go
160 lines (136 loc) · 4.08 KB
/
agent.go
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package service
import (
"context"
"strings"
"github.com/go-kratos/kratos/v2/log"
"github.com/samber/lo"
pb "github.com/omalloc/kratos-agent/api/agent"
"github.com/omalloc/kratos-agent/internal/biz"
)
type AgentService struct {
pb.UnimplementedAgentServer
log *log.Helper
cri *biz.CRIUsecase
clusters *biz.ClusterUsecase
aa *biz.CrontabUsecase
}
func NewAgentService(logger log.Logger, cri *biz.CRIUsecase, clusters *biz.ClusterUsecase) *AgentService {
return &AgentService{
log: log.NewHelper(logger),
cri: cri,
clusters: clusters,
aa: nil,
}
}
func (s *AgentService) ListService(ctx context.Context, req *pb.ListServiceRequest) (*pb.ListServiceReply, error) {
allService, err := s.clusters.GetServices(ctx)
if err != nil {
return nil, err
}
result := lo.FlatMap(allService, func(item *biz.ClusterMicroservice, _ int) []*pb.Microservice {
return lo.Map(item.Services, func(cur *biz.Microservice, _ int) *pb.Microservice {
return &pb.Microservice{
Cluster: item.Name,
Id: cur.ID,
Key: cur.Key,
Name: cur.Name,
Version: cur.Version,
Endpoints: cur.Endpoints,
Metadata: cur.Metadata,
Namespace: s.getFirstNameKey(cur.Key),
}
})
})
return &pb.ListServiceReply{
Data: result,
}, nil
}
func (s *AgentService) getFirstNameKey(key string) string {
values := strings.Split(key, "/")
// key-format: /microservices/{service-name}/{hostname}
if len(values) > 1 {
return values[1]
}
return ""
}
func (s *AgentService) ListServiceGroup(ctx context.Context, req *pb.ListServiceGroupRequest) (*pb.ListServiceGroupReply, error) {
allService, err := s.clusters.GetServices(ctx)
if err != nil {
return nil, err
}
allData := lo.FlatMap(allService, func(item *biz.ClusterMicroservice, _ int) []*pb.Microservice {
return lo.Map(item.Services, func(cur *biz.Microservice, _ int) *pb.Microservice {
return &pb.Microservice{
Cluster: item.Name,
Id: cur.ID,
Key: cur.Key,
Name: cur.Name,
Version: cur.Version,
Endpoints: cur.Endpoints,
Metadata: cur.Metadata,
}
})
})
mapData := lo.GroupBy(allData, func(item *pb.Microservice) string {
return item.Name
})
results := lo.MapToSlice(mapData, func(key string, value []*pb.Microservice) *pb.MicroserviceGroup {
var (
keys = make([]string, 0, len(value))
endpoints = make([]string, 0, len(value)*2)
clusters = make([]string, 0, len(value))
hostnames = make([]string, 0, len(value))
)
for _, service := range value {
keys = append(keys, service.Key)
endpoints = append(endpoints, service.Endpoints...)
clusters = append(clusters, service.Cluster)
hostnames = append(hostnames, service.Id)
}
return &pb.MicroserviceGroup{
Name: key,
Keys: keys,
Endpoints: endpoints,
Clusters: lo.Uniq(clusters),
Hostnames: lo.Uniq(hostnames),
}
})
return &pb.ListServiceGroupReply{
Data: results,
}, nil
}
func (s *AgentService) ListCluster(ctx context.Context, req *pb.ListClusterRequest) (*pb.ListClusterReply, error) {
clusters, err := s.clusters.GetClusters(ctx)
if err != nil {
return nil, err
}
return &pb.ListClusterReply{
Data: lo.Map(clusters, func(item *biz.Cluster, _ int) *pb.Cluster {
return &pb.Cluster{
Name: item.Name,
Healthy: item.Healthy,
Members: lo.Map(item.Members, func(cur *biz.ClusterMember, _ int) *pb.Cluster_Member {
return &pb.Cluster_Member{
Name: cur.Name,
PeerUrls: cur.PeerURLs,
ClientUrls: cur.ClientURLs,
IsLearner: cur.IsLearner,
}
}),
}
}),
}, nil
}
func (s *AgentService) ListKey(ctx context.Context, req *pb.ListKeyRequest) (*pb.ListKeyReply, error) {
maps := s.clusters.Keys(ctx, req.Cluster)
return &pb.ListKeyReply{
Keys: maps[req.Cluster],
}, nil
}
func (s *AgentService) GetKey(ctx context.Context, req *pb.GetKeyRequest) (*pb.GetKeyReply, error) {
value := s.clusters.GetValue(ctx, req.Cluster, req.Key)
return &pb.GetKeyReply{Value: value}, nil
}
func (s *AgentService) Check(ctx context.Context) error {
return s.clusters.Ping(ctx)
}