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84 lines
4.8 KiB
Markdown
84 lines
4.8 KiB
Markdown
---
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category: documentation
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title: Installation for Cygwin
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order: 1000
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---
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#Installation for Cygwin
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## Installation
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First you need to install the [Go language](https://golang.org/dl/). Please install the latest version, not the one that is listed here.
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wget -N https://storage.googleapis.com/golang/go1.8.1.windows-amd64.msi
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msiexec /i go1.8.1.windows-amd64.msi /passive /promptrestart
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Then you need to install [ProtocolBuffers 3.0.0-beta-3](https://github.com/google/protobuf/releases) or later. Use the windows release while no native cygwin protoc with version 3 is available yet.
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wget -N https://github.com/google/protobuf/releases/download/v3.2.0/protoc-3.2.0-win32.zip`
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7z x protoc-3.2.0-win32.zip -o/usr/local/
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Then you need to setup your Go workspace. Create the workspace dir.
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mkdir /home/user/go
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mkdir /home/user/go/bin
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mkdir /home/user/go/pkg
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mkdir /home/user/go/src
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From an elevated cmd.exe prompt set the GOPATH variable in windows and add the `$GOPATH/bin` directory to your path using `reg add` instead of `setx` because [setx can truncated your PATH variable to 1024 characters](https://encrypted.google.com/search?hl=en&q=setx%20truncates%20PATH%201024#safe=off&hl=en&q=setx+truncated+PATH+1024).
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setx GOPATH c:\path\to\your\cygwin\home\user\go /M
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set pathkey="HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment"
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for /F "usebackq skip=2 tokens=2*" %A IN (`reg query %pathkey% /v Path`) do (reg add %pathkey% /f /v Path /t REG_SZ /d "%B;c:\path\to\your\cygwin\home\user\go\bin")
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Then `go get -u -v` the following packages:
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go get -u -v github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
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go get -u -v github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
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go get -u -v github.com/golang/protobuf/protoc-gen-go
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This will probably fail with similar output.
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github.com/grpc-ecosystem/grpc-gateway (download)
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# cd .; git clone https://github.com/grpc-ecosystem/grpc-gateway C:\path\to\your\cygwin\home\user\go\src\github.com\grpc-ecosystem\grpc-gateway
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Cloning into 'C:\path\to\your\cygwin\home\user\go\src\github.com\grpc-ecosystem\grpc-gateway'...
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fatal: Invalid path '/home/user/go/C:\path\to\your\cygwin\home\user\go\src\github.com\grpc-ecosystem\grpc-gateway': No such file or directory
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package github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway: exit status 128
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To fix this you need to run the `go get -u -v` commands and look for all lines starting with `# cd .; `.
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Copy and paste these lines into your shell and change the clone destination directories.
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git clone https://github.com/grpc-ecosystem/grpc-gateway $(cygpath -u $GOPATH)/src/github.com/grpc-ecosystem/grpc-gateway
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git clone https://github.com/golang/glog $(cygpath -u $GOPATH)/src/github.com/golang/glog
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git clone https://github.com/golang/protobuf $(cygpath -u $GOPATH)/src/github.com/golang/protobuf
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git clone https://github.com/google/go-genproto $(cygpath -u $GOPATH)/src/google.golang.org/genproto
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Once the clone operations are finished the `go get -u -v` commands shouldn't give you an error anymore.
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## Usage
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Follow the [instuctions](https://github.com/grpc-ecosystem/grpc-gateway#usage) in the [README](https://github.com/grpc-ecosystem/grpc-gateway).
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Adjust steps 3, 5 and 7 like this. protoc expects native windows paths.
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protoc -I. -I$(cygpath -w /usr/local/include) -I${GOPATH}/src -I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --go_out=plugins=grpc:. ./path/to/your_service.proto
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protoc -I. -I$(cygpath -w /usr/local/include) -I${GOPATH}/src -I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --grpc-gateway_out=logtostderr=true:. ./path/to/your_service.proto
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protoc -I. -I$(cygpath -w /usr/local/include) -I${GOPATH}/src -I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --swagger_out=logtostderr=true:. ./path/to/your_service.proto
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Then `cd` into the directory where your entry-point `main.go` file is located and run
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go get -v
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This will fail like during the Installation. Look for all lines starting with `# cd .; ` and copy and paste these lines into your shell and change the clone destination directories.
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git clone https://go.googlesource.com/net $(cygpath -u $GOPATH)/src/golang.org/x/net
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git clone https://go.googlesource.com/text $(cygpath -u $GOPATH)/src/golang.org/x/text
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git clone https://github.com/grpc/grpc-go $(cygpath -u $GOPATH)/src/google.golang.org/grpc
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Once the clone operations are finished the `go get -v` commands shouldn't give you an error anymore.
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Then run
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go install
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to compile and install your grpc-gateway service into `$GOPATH/bin`.
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