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Cleanup and move template

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Asim 2015-05-25 18:16:42 +01:00
parent 94dee7a459
commit 5516f7ea1f
14 changed files with 78 additions and 145 deletions
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76
README.md
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@ -2,22 +2,16 @@
Go Micro is a microservices library which provides the fundamental building blocks for writing fault tolerant distributed systems at scale. It is part of the [Micro](https://github.com/myodc/micro) toolchain. Go Micro is a microservices library which provides the fundamental building blocks for writing fault tolerant distributed systems at scale. It is part of the [Micro](https://github.com/myodc/micro) toolchain.
An example server can be found in go-micro/template. An example server can be found in examples/server.
[![GoDoc](http://img.shields.io/badge/go-documentation-brightgreen.svg?style=flat-square)](https://godoc.org/github.com/myodc/go-micro) [![GoDoc](http://img.shields.io/badge/go-documentation-brightgreen.svg?style=flat-square)](https://godoc.org/github.com/myodc/go-micro)
## Features ## Features
- Discovery - Discovery
- Client/Server - Client
- Server
- Pub/Sub - Pub/Sub
## Future Features
- Config
- Routing
- Monitoring
- Tracing
- Logging
## Prerequisites ## Prerequisites
Consul is the default discovery mechanism provided in go-micro. Discovery is however pluggable. Consul is the default discovery mechanism provided in go-micro. Discovery is however pluggable.
@ -34,79 +28,80 @@ $ consul agent -server -bootstrap-expect 1 -data-dir /tmp/consul
### Run Service ### Run Service
``` ```
$ go run go-micro/template/main.go $ go run examples/server/main.go
I0525 18:06:14.471489 83304 server.go:117] Starting server go.micro.srv.example id go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6
I0523 12:21:09.506998 77096 server.go:113] Starting server go.micro.service.template id go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6 I0525 18:06:14.474960 83304 rpc_server.go:126] Listening on [::]:62216
I0523 12:21:09.507281 77096 rpc_server.go:112] Listening on [::]:51868 I0525 18:06:14.474997 83304 server.go:99] Registering node: go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6
I0523 12:21:09.507329 77096 server.go:95] Registering node: go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6
``` ```
### Test Service ### Test Service
``` ```
$ go run go-micro/examples/service_client.go $ go run examples/client/main.go
go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6: Hello John
go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6: Hello John
``` ```
## Writing a service ## Writing a service
### Create request/response proto ### Create request/response proto
`go-micro/template/proto/example/example.proto`: `go-micro/examples/server/proto/example/example.proto`:
``` ```
package go.micro.service.template.example; syntax = "proto3";
message Request { message Request {
required string name = 1; string name = 1;
} }
message Response { message Response {
required string msg = 1; string msg = 1;
} }
``` ```
Compile proto `protoc -I$GOPATH/src --go_out=$GOPATH/src $GOPATH/src/github.com/myodc/go-micro/template/proto/example/example.proto` Compile proto `protoc -I$GOPATH/src --go_out=$GOPATH/src $GOPATH/src/github.com/myodc/go-micro/template/proto/example/example.proto`
### Create request handler ### Create request handler
`go-micro/template/handler/example.go`: `go-micro/examples/server/handler/example.go`:
```go ```go
package handler package handler
import ( import (
"code.google.com/p/go.net/context" log "github.com/golang/glog"
"github.com/golang/protobuf/proto" c "github.com/myodc/go-micro/context"
example "github.com/myodc/go-micro/examples/server/proto/example"
"github.com/myodc/go-micro/server"
"github.com/myodc/go-micro/server" "golang.org/x/net/context"
example "github.com/myodc/go-micro/template/proto/example"
log "github.com/golang/glog"
) )
type Example struct{} type Example struct{}
func (e *Example) Call(ctx context.Context, req *example.Request, rsp *example.Response) error { func (e *Example) Call(ctx context.Context, req *example.Request, rsp *example.Response) error {
log.Info("Received Example.Call request") md, _ := c.GetMetaData(ctx)
log.Info("Received Example.Call request with metadata: %v", md)
rsp.Msg = proto.String(server.Id + ": Hello " + req.GetName()) rsp.Msg = server.Id + ": Hello " + req.Name
return nil
return nil
} }
``` ```
### Init server ### Init server
`go-micro/template/main.go`: `go-micro/examples/server/main.go`:
```go ```go
package main package main
import ( import (
"github.com/myodc/go-micro/server"
"github.com/myodc/go-micro/template/handler"
log "github.com/golang/glog" log "github.com/golang/glog"
"github.com/myodc/go-micro/cmd"
"github.com/myodc/go-micro/examples/server/handler"
"github.com/myodc/go-micro/server"
) )
func main() { func main() {
server.Name = "go.micro.service.template" // optionally setup command line usage
cmd.Init()
server.Name = "go.micro.srv.example"
// Initialise Server // Initialise Server
server.Init() server.Init()
@ -127,9 +122,8 @@ func main() {
### Run service ### Run service
``` ```
$ go run go-micro/template/main.go $ go run examples/server/main.go
I0525 18:06:14.471489 83304 server.go:117] Starting server go.micro.srv.example id go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6
I0523 12:21:09.506998 77096 server.go:113] Starting server go.micro.service.template id go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6 I0525 18:06:14.474960 83304 rpc_server.go:126] Listening on [::]:62216
I0523 12:21:09.507281 77096 rpc_server.go:112] Listening on [::]:51868 I0525 18:06:14.474997 83304 server.go:99] Registering node: go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6
I0523 12:21:09.507329 77096 server.go:95] Registering node: go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6
``` ```

7
examples/service_client.go → examples/client/main.go
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@ -6,14 +6,15 @@ import (
"github.com/myodc/go-micro/client" "github.com/myodc/go-micro/client"
"github.com/myodc/go-micro/cmd" "github.com/myodc/go-micro/cmd"
c "github.com/myodc/go-micro/context" c "github.com/myodc/go-micro/context"
example "github.com/myodc/go-micro/template/proto/example" example "github.com/myodc/go-micro/examples/server/proto/example"
"golang.org/x/net/context" "golang.org/x/net/context"
) )
func main() { func main() {
cmd.Init() cmd.Init()
// Create new request to service go.micro.service.go-template, method Example.Call
req := client.NewRequest("go.micro.service.template", "Example.Call", &example.Request{ // Create new request to service go.micro.srv.example, method Example.Call
req := client.NewRequest("go.micro.srv.example", "Example.Call", &example.Request{
Name: "John", Name: "John",
}) })

24
examples/grpc_client.go
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@ -1,24 +0,0 @@
package main
import (
"fmt"
h "github.com/grpc/grpc-common/go/helloworld"
"github.com/myodc/go-micro/client"
"golang.org/x/net/context"
)
// run github.com/grpc/grpc-common/go/greeter_server/main.go
func main() {
req := client.NewRpcRequest("helloworld.Greeter", "helloworld.Greeter/SayHello", &h.HelloRequest{
Name: "John",
}, "application/grpc")
rsp := &h.HelloReply{}
err := client.CallRemote(context.Background(), "localhost:50051", req, rsp)
if err != nil {
fmt.Println(err)
}
fmt.Println(rsp.Message)
}

0
examples/pub_sub.go → examples/pubsub/main.go
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3
examples/server/Dockerfile Normal file
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@ -0,0 +1,3 @@
FROM scratch
ADD server /
ENTRYPOINT [ "/server" ]

27
examples/server/README.md Normal file
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@ -0,0 +1,27 @@
# Example Service
An example Go service running with go-micro
### Prerequisites
Install Consul
[https://www.consul.io/intro/getting-started/install.html](https://www.consul.io/intro/getting-started/install.html)
Run Consul
```
$ consul agent -server -bootstrap-expect 1 -data-dir /tmp/consul
```
Run Service
```
$ go run server/main.go
I0525 18:06:14.471489 83304 server.go:117] Starting server go.micro.srv.example id go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6
I0525 18:06:14.474960 83304 rpc_server.go:126] Listening on [::]:62216
I0525 18:06:14.474997 83304 server.go:99] Registering node: go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6
```
Test Service
```
$ go run client/main.go
go.micro.srv.example-59b6e0ab-0300-11e5-b696-68a86d0d36b6: Hello John
```

12
template/handler/example.go → examples/server/handler/example.go
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@ -3,8 +3,8 @@ package handler
import ( import (
log "github.com/golang/glog" log "github.com/golang/glog"
c "github.com/myodc/go-micro/context" c "github.com/myodc/go-micro/context"
example "github.com/myodc/go-micro/examples/server/proto/example"
"github.com/myodc/go-micro/server" "github.com/myodc/go-micro/server"
example "github.com/myodc/go-micro/template/proto/example"
"golang.org/x/net/context" "golang.org/x/net/context"
) )
@ -12,14 +12,8 @@ import (
type Example struct{} type Example struct{}
func (e *Example) Call(ctx context.Context, req *example.Request, rsp *example.Response) error { func (e *Example) Call(ctx context.Context, req *example.Request, rsp *example.Response) error {
md, ok := c.GetMetaData(ctx) md, _ := c.GetMetaData(ctx)
if ok { log.Info("Received Example.Call request with metadata: %v", md)
log.Infof("Received Example.Call request with metadata: %v", md)
} else {
log.Info("Received Example.Call request")
}
rsp.Msg = server.Id + ": Hello " + req.Name rsp.Msg = server.Id + ": Hello " + req.Name
return nil return nil
} }

4
template/main.go → examples/server/main.go
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@ -3,15 +3,15 @@ package main
import ( import (
log "github.com/golang/glog" log "github.com/golang/glog"
"github.com/myodc/go-micro/cmd" "github.com/myodc/go-micro/cmd"
"github.com/myodc/go-micro/examples/server/handler"
"github.com/myodc/go-micro/server" "github.com/myodc/go-micro/server"
"github.com/myodc/go-micro/template/handler"
) )
func main() { func main() {
// optionally setup command line usage // optionally setup command line usage
cmd.Init() cmd.Init()
server.Name = "go.micro.service.template" server.Name = "go.micro.srv.example"
// Initialise Server // Initialise Server
server.Init() server.Init()

4
template/proto/example/example.pb.go → examples/server/proto/example/example.pb.go
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@ -1,12 +1,12 @@
// Code generated by protoc-gen-go. // Code generated by protoc-gen-go.
// source: myodc/go-micro/template/proto/example/example.proto // source: go-micro/examples/server/proto/example/example.proto
// DO NOT EDIT! // DO NOT EDIT!
/* /*
Package example is a generated protocol buffer package. Package example is a generated protocol buffer package.
It is generated from these files: It is generated from these files:
myodc/go-micro/template/proto/example/example.proto go-micro/examples/server/proto/example/example.proto
It has these top-level messages: It has these top-level messages:
Request Request

4
template/proto/example/example.proto → examples/server/proto/example/example.proto
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@ -1,9 +1,9 @@
syntax = "proto3"; syntax = "proto3";
message Request { message Request {
optional string name = 1; string name = 1;
} }
message Response { message Response {
optional string msg = 1; string msg = 1;
} }

3
template/Dockerfile
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@ -1,3 +0,0 @@
FROM scratch
ADD template /
ENTRYPOINT [ "/template" ]

29
template/README.md
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@ -1,29 +0,0 @@
# Template Service
An example Go service running with go-micro
### Prerequisites
Install Consul
[https://www.consul.io/intro/getting-started/install.html](https://www.consul.io/intro/getting-started/install.html)
Run Consul
```
$ consul agent -server -bootstrap-expect 1 -data-dir /tmp/consul
```
Run Service
```
$ go run main.go
I0523 12:21:09.506998 77096 server.go:113] Starting server go.micro.service.template id go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6
I0523 12:21:09.507281 77096 rpc_server.go:112] Listening on [::]:51868
I0523 12:21:09.507329 77096 server.go:95] Registering node: go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6
```
Test Service
```
$ go run go-micro/examples/service_client.go
go.micro.service.template-cfc481fc-013d-11e5-bcdc-68a86d0d36b6: Hello John
```

21
template/pod.json
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@ -1,21 +0,0 @@
{
"kind": "Pod",
"apiVersion": "v1beta1",
"id": "template-service",
"desiredState": {
"manifest": {
"version": "v1beta1",
"id": "template-service",
"containers": [{
"name": "template-service",
"image": "chuhnk/go-template",
"ports": [{"name": "template-service", "containerPort": 8080}],
"command": ["--registry=kubernetes", "--bind_address=:8080"]
}],
}
},
"labels": {
"name": "go.micro.service.template",
}
}

9
template/service.json
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@ -1,9 +0,0 @@
{
"id": "template-service",
"kind": "Service",
"apiVersion": "v1beta1",
"port": 9091,
"containerPort": 8080,
"selector": { "name": "go.micro.service.template" },
"labels": { "name": "go.micro.service.template" }
}