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GOPROXY

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A global proxy for go modules. see: https://goproxy.io

Requirements

This service invokes the local go command to answer requests.

The default cacheDir is GOPATH, you can set it up by yourself according to the situation.

Build

git clone https://github.com/goproxyio/goproxy.git cd goproxy make

Started

Proxy mode

./bin/goproxy -listen=0.0.0.0:80 -cacheDir=/tmp/test

If you run go get -v pkg in the proxy machine, you should set a new GOPATH which is different from the original GOPATH, or you may encounter a deadlock.

See test/get_test.sh.

Router mode

./bin/goproxy -listen=0.0.0.0:80 -proxy https://goproxy.io

Use the -proxy flag combined with the -exclude flag to enable Router mode, which implements route filter to routing private modules or public modules.

 direct +----------------------------------> private repo | match|pattern | +---+---+ +----------+ go get +-------> |goproxy| +-------> |goproxy.io| +---> golang.org/x/net +-------+ +----------+ router mode proxy mode 

In Router mode, use the -exclude flag to set a glob pattern. The glob will specify what packages should not try to resolve with the value of -proxy. Modules which match the -exclude pattern will resolve direct to the repo which matches the module path.

NOTE: Patterns are matched to the full path specified, not only to the host component.

./bin/goproxy -listen=0.0.0.0:80 -cacheDir=/tmp/test -proxy https://goproxy.io -exclude "*.corp.example.com,rsc.io/private"

Private module authentication

Some private modules are gated behind git authentication. To resolve this, you can force git to rewrite the URL with a personal access token present for auth

git config --global url."https://${GITHUB_PERSONAL_ACCESS_TOKEN}@github.com/".insteadOf https://github.com/

This can be done for other git providers as well, following the same pattern

Use docker image

docker run -d -p80:8081 goproxy/goproxy

Use the -v flag to persisting the proxy module data (change cacheDir to your own dir):

docker run -d -p80:8081 -v cacheDir:/go goproxy/goproxy 

Docker Compose

docker-compose up

Kubernetes

Deployment:

apiVersion: apps/v1 kind: Deployment metadata: labels: app: goproxy name: goproxy spec: replicas: 1 template: metadata: labels: app: goproxy spec: containers: - args: - -proxy - https://goproxy.io - -listen - 0.0.0.0:8081 - -cacheDir - /tmp/test - -exclude - github.com/my-org/* image: goproxy/goproxy name: goproxy ports: - containerPort: 8081 volumeMounts: - mountPath: /tmp/test name: goproxy volumes: - emptyDir: medium: Memory sizeLimit: 500Mi name: goproxy

Deployment (with gitconfig secret):

apiVersion: apps/v1 kind: Deployment metadata: labels: app: goproxy name: goproxy spec: replicas: 1 template: metadata: labels: app: goproxy spec: containers: - args: - -proxy - https://goproxy.io - -listen - 0.0.0.0:8081 - -cacheDir - /tmp/test - -exclude - github.com/my-org/* image: goproxy/goproxy name: goproxy ports: - containerPort: 8081 volumeMounts: - mountPath: /tmp/test name: goproxy - mountPath: /root name: gitconfig readOnly: true volumes: - emptyDir: medium: Memory sizeLimit: 500Mi name: goproxy - name: gitconfig secret: secretName: gitconfig --- apiVersion: v1 data: # NOTE: Encoded version of the following, replacing ${GITHUB_PERSONAL_ACCESS_TOKEN} # [url "https://${GITHUB_PERSONAL_ACCESS_TOKEN}@github.com/"] # insteadOf = https://github.com/ .gitconfig: ***************************** kind: Secret metadata: name: test

Appendix

  • If running locally, set export GOPROXY=http://localhost[:PORT] to use your goproxy.
  • Set export GOPROXY=direct to directly access modules without your goproxy.

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A global proxy for Go modules.

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