https://github.com/dyrnq/cobra-example
cobra-example
https://github.com/dyrnq/cobra-example
cobra cobra-cli cobra-demo cobra-example golang-cli pflag viper
Last synced: 4 months ago
JSON representation
cobra-example
- Host: GitHub
- URL: https://github.com/dyrnq/cobra-example
- Owner: dyrnq
- License: mit
- Created: 2024-09-08T07:03:39.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2025-03-04T22:43:15.000Z (4 months ago)
- Last Synced: 2025-03-04T23:30:10.942Z (4 months ago)
- Topics: cobra, cobra-cli, cobra-demo, cobra-example, golang-cli, pflag, viper
- Language: Go
- Homepage:
- Size: 46.9 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 6
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# cobra-example
this project is a POC using cobra, viper, pflag.
## init
```bash
go mod init github.com/dyrnq/cobra-example
cobra-cli init --viper
cobra-cli add serve --viper
cobra-cli add version --viper
GOPROXY=https://goproxy.io,direct go mod tidy
```
## test
```bash
make run
```
```bash
## test case
./main serve
./main serve --server.address 127.0.0.1
SERVER_ADDRESS=0.0.0.0 ./main serve
SERVER_ADDRESS=0.0.0.0 SERVER_PORT=7777 ./main serve --config ./config-demo.yaml
SERVER_ADDRESS=0.0.0.0 ./main serve --server.address 127.0.0.1 --server.port=8899
SERVER_ADDRESS=0.0.0.0 ./main serve --server.address 127.0.0.1 --server.port=35566 --config ./config-demo.yaml
```
Priority
```bash
--args > ENV > config.yaml
```
## grpc
Add to subcomand
```bash
protoc \
--go_out=. \
--go_opt=paths=source_relative \
--go-grpc_out=. \
--go-grpc_opt=paths=source_relative \
pkg/grpc/helloworld/*.proto
```
> bash: protoc: command not found
```bash
# https://github.com/protocolbuffers/protobuf/releases/download/v28.0/protoc-28.0-linux-x86_64.zip
PROTOC_VER=28.0
if [ "$(uname -m)" = "x86_64" ]; then arch="amd64"; fi
if [ "$(uname -m)" = "aarch64" ]; then arch="arm64"; fi
PROTOC_ZIP="protoc-${PROTOC_VER}-linux-${arch}.zip"
url="https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VER}/${PROTOC_ZIP}";
url=${url/github.com/mirror.ghproxy.com/github.com}
echo "${url}"
curl -O -fL -# --retry 10 ${url}
unzip -o $PROTOC_ZIP -d /usr/local bin/protoc
unzip -o $PROTOC_ZIP -d /usr/local 'include/*'
rm -f $PROTOC_ZIP
```
> protoc-gen-go: program not found or is not executable
> Please specify a program using absolute path or make sure the program is available in your PATH system variable
> --go_out: protoc-gen-go: Plugin failed with status code 1.
```bash
$ GOPROXY=https://goproxy.io,direct go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
go: downloading google.golang.org/protobuf v1.34.2
$ GOPROXY=https://goproxy.io,direct go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
go: downloading google.golang.org/grpc v1.66.0
go: downloading google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1
go: downloading google.golang.org/protobuf v1.34.1
```
> pkg/grpc/helloworld/helloworld_grpc.pb.go:33:16: undefined: grpc.SupportPackageIsVersion9
```bash
$ GOPROXY=https://goproxy.io,direct go get -u google.golang.org/grpc@latest
go: downloading golang.org/x/net v0.26.0
go: downloading golang.org/x/sys v0.21.0
go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117
go: downloading golang.org/x/net v0.29.0
go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1
go: downloading google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1
go: downloading golang.org/x/text v0.16.0
go: downloading golang.org/x/text v0.18.0
go: upgraded golang.org/x/net v0.23.0 => v0.29.0
go: upgraded golang.org/x/sys v0.18.0 => v0.25.0
go: upgraded golang.org/x/text v0.14.0 => v0.18.0
go: upgraded google.golang.org/genproto/googleapis/rpc v0.0.0-20240314234333-6e1732d8331c => v0.0.0-20240903143218-8af14fe29dc1
go: upgraded google.golang.org/grpc v1.62.1 => v1.66.0
go: upgraded google.golang.org/protobuf v1.33.0 => v1.34.2
```
```bash
cobra-cli add grpc-helloworld --parent rootCmd --viper
cobra-cli add server --parent grpcHelloworldCmd --viper
cobra-cli add client --parent grpcHelloworldCmd --viper
```
```bash
./main grpc-helloworld server --grpc.address 0.0.0.0 --grpc.port 50051
./main grpc-helloworld client --grpc.server 127.0.0.1:50051 --msg 你好
```
## grpc-stream
-
```bash
cobra-cli add grpc-stream --parent rootCmd --viper
cobra-cli add grpc-stream-server --parent grpcStreamCmd --viper
cobra-cli add grpc-stream-client --parent grpcStreamCmd --viper
./main grpc-stream server
./main grpc-stream client
```