micro/runtime/service/handler/handler.go

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package handler
import (
"context"
"github.com/micro/go-micro/errors"
"github.com/micro/go-micro/runtime"
pb "github.com/micro/go-micro/runtime/service/proto"
)
type Runtime struct {
Runtime runtime.Runtime
}
func toProto(s *runtime.Service) *pb.Service {
return &pb.Service{
Name: s.Name,
Version: s.Version,
Source: s.Source,
Path: s.Path,
Exec: s.Exec,
Metadata: s.Metadata,
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}
}
func toService(s *pb.Service) *runtime.Service {
return &runtime.Service{
Name: s.Name,
Version: s.Version,
Source: s.Source,
Path: s.Path,
Exec: s.Exec,
Metadata: s.Metadata,
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}
}
func toCreateOptions(opts *pb.CreateOptions) []runtime.CreateOption {
options := []runtime.CreateOption{}
// command options
l := len(opts.Command)
if l == 1 {
options = append(options, runtime.WithCommand(opts.Command[0]))
}
if l > 1 {
options = append(options, runtime.WithCommand(opts.Command[0], opts.Command[1:]...))
}
// env options
if len(opts.Env) > 0 {
options = append(options, runtime.WithEnv(opts.Env))
}
// TODO: output options
return options
}
func toGetOptions(opts *pb.GetOptions) []runtime.GetOption {
options := []runtime.GetOption{}
// version options
if len(opts.Version) > 0 {
options = append(options, runtime.WithVersion(opts.Version))
}
return options
}
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func (r *Runtime) Create(ctx context.Context, req *pb.CreateRequest, rsp *pb.CreateResponse) error {
if req.Service == nil {
return errors.BadRequest("go.micro.runtime", "blank service")
}
var options []runtime.CreateOption
if req.Options != nil {
options = toCreateOptions(req.Options)
}
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service := toService(req.Service)
err := r.Runtime.Create(service, options...)
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if err != nil {
return errors.InternalServerError("go.micro.runtime", err.Error())
}
return nil
}
func (r *Runtime) Get(ctx context.Context, req *pb.GetRequest, rsp *pb.GetResponse) error {
if len(req.Name) == 0 {
return errors.BadRequest("go.micro.runtime", "blank service")
}
var options []runtime.GetOption
if req.Options != nil {
options = toGetOptions(req.Options)
}
services, err := r.Runtime.Get(req.Name, options...)
if err != nil {
return errors.InternalServerError("go.micro.runtime", err.Error())
}
for _, service := range services {
rsp.Services = append(rsp.Services, toProto(service))
}
return nil
}
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func (r *Runtime) Update(ctx context.Context, req *pb.UpdateRequest, rsp *pb.UpdateResponse) error {
if req.Service == nil {
return errors.BadRequest("go.micro.runtime", "blank service")
}
// TODO: add opts
service := toService(req.Service)
err := r.Runtime.Update(service)
if err != nil {
return errors.InternalServerError("go.micro.runtime", err.Error())
}
return nil
}
func (r *Runtime) Delete(ctx context.Context, req *pb.DeleteRequest, rsp *pb.DeleteResponse) error {
if req.Service == nil {
return errors.BadRequest("go.micro.runtime", "blank service")
}
// TODO: add opts
service := toService(req.Service)
err := r.Runtime.Delete(service)
if err != nil {
return errors.InternalServerError("go.micro.runtime", err.Error())
}
return nil
}
func (r *Runtime) List(ctx context.Context, req *pb.ListRequest, rsp *pb.ListResponse) error {
services, err := r.Runtime.List()
if err != nil {
return errors.InternalServerError("go.micro.runtime", err.Error())
}
for _, service := range services {
rsp.Services = append(rsp.Services, toProto(service))
}
return nil
}