177 lines
5.4 KiB
Markdown
177 lines
5.4 KiB
Markdown
# Building and Testing
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Compile and Test Your Own Traefik!
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{: .subtitle }
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So you want to build your own Traefik binary from the sources?
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Let's see how.
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## Building
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You need either [Docker](https://github.com/docker/docker) and `make` (Method 1), or `go` (Method 2) in order to build Traefik.
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For changes to its dependencies, the `dep` dependency management tool is required.
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### Method 1: Using `Docker` and `Makefile`
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Run make with the `binary` target.
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This will create binaries for the Linux platform in the `dist` folder.
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```bash
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$ make binary
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docker build -t traefik-webui -f webui/Dockerfile webui
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Sending build context to Docker daemon 2.686MB
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Step 1/11 : FROM node:8.15.0
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---> 1f6c34f7921c
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[...]
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Successfully built ce4ff439c06a
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Successfully tagged traefik-webui:latest
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[...]
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docker build -t "traefik-dev:4475--feature-documentation" -f build.Dockerfile .
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Sending build context to Docker daemon 279MB
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Step 1/10 : FROM golang:1.13-alpine
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---> f4bfb3d22bda
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[...]
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Successfully built 5c3c1a911277
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Successfully tagged traefik-dev:4475--feature-documentation
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docker run -e "TEST_CONTAINER=1" -v "/var/run/docker.sock:/var/run/docker.sock" -it -e OS_ARCH_ARG -e OS_PLATFORM_ARG -e TESTFLAGS -e VERBOSE -e VERSION -e CODENAME -e TESTDIRS -e CI -e CONTAINER=DOCKER -v "/home/ldez/sources/go/src/github.com/containous/traefik/"dist":/go/src/github.com/containous/traefik/"dist"" "traefik-dev:4475--feature-documentation" ./script/make.sh generate binary
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---> Making bundle: generate (in .)
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removed 'autogen/genstatic/gen.go'
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---> Making bundle: binary (in .)
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$ ls dist/
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traefik*
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```
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The following targets can be executed outside Docker by setting the variable `PRE_TARGET` to an empty string (we don't recommend that):
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- `test-unit`
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- `test-integration`
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- `validate`
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- `binary` (the webUI is still generated by using Docker)
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ex:
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```bash
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PRE_TARGET= make test-unit
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```
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### Method 2: Using `go`
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Requirements:
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- `go` v1.13+
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- environment variable `GO111MODULE=on`
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- [go-bindata](https://github.com/containous/go-bindata) `GO111MODULE=off go get -u github.com/containous/go-bindata/...`
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!!! tip "Source Directory"
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It is recommended that you clone Traefik into the `~/go/src/github.com/containous/traefik` directory.
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This is the official golang workspace hierarchy that will allow dependencies to be properly resolved.
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!!! note "Environment"
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Set your `GOPATH` and `PATH` variable to be set to `~/go` via:
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```bash
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export GOPATH=~/go
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export PATH=$PATH:$GOPATH/bin
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```
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For convenience, add `GOPATH` and `PATH` to your `.bashrc` or `.bash_profile`
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Verify your environment is setup properly by running `$ go env`.
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Depending on your OS and environment, you should see an output similar to:
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```bash
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GOARCH="amd64"
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GOBIN=""
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GOEXE=""
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GOHOSTARCH="amd64"
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GOHOSTOS="linux"
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GOOS="linux"
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GOPATH="/home/<yourusername>/go"
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GORACE=""
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## ... and the list goes on
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```
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#### Build Traefik
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Once you've set up your go environment and cloned the source repository, you can build Traefik.
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Beforehand, you need to get [go-bindata](https://github.com/containous/go-bindata) (the first time) in order to be able to use the `go generate` command (which is part of the build process).
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```bash
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cd ~/go/src/github.com/containous/traefik
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# Get go-bindata. (Important: the ellipses are required.)
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GO111MODULE=off go get github.com/containous/go-bindata/...
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```
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```bash
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# Generate UI static files
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rm -rf static/ autogen/; make generate-webui
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# required to merge non-code components into the final binary,
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# such as the web dashboard/UI
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go generate
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```
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```bash
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# Standard go build
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go build ./cmd/traefik
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```
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You will find the Traefik executable (`traefik`) in the `~/go/src/github.com/containous/traefik` directory.
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## Testing
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### Method 1: `Docker` and `make`
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Run unit tests using the `test-unit` target.
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Run integration tests using the `test-integration` target.
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Run all tests (unit and integration) using the `test` target.
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```bash
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$ make test-unit
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docker build -t "traefik-dev:your-feature-branch" -f build.Dockerfile .
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# […]
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docker run --rm -it -e OS_ARCH_ARG -e OS_PLATFORM_ARG -e TESTFLAGS -v "/home/user/go/src/github/containous/traefik/dist:/go/src/github.com/containous/traefik/dist" "traefik-dev:your-feature-branch" ./script/make.sh generate test-unit
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---> Making bundle: generate (in .)
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removed 'gen.go'
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---> Making bundle: test-unit (in .)
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+ go test -cover -coverprofile=cover.out .
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ok github.com/containous/traefik 0.005s coverage: 4.1% of statements
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Test success
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```
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For development purposes, you can specify which tests to run by using (only works the `test-integration` target):
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```bash
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# Run every tests in the MyTest suite
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TESTFLAGS="-check.f MyTestSuite" make test-integration
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# Run the test "MyTest" in the MyTest suite
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TESTFLAGS="-check.f MyTestSuite.MyTest" make test-integration
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# Run every tests starting with "My", in the MyTest suite
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TESTFLAGS="-check.f MyTestSuite.My" make test-integration
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# Run every tests ending with "Test", in the MyTest suite
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TESTFLAGS="-check.f MyTestSuite.*Test" make test-integration
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```
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More: https://labix.org/gocheck
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### Method 2: `go`
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Unit tests can be run from the cloned directory using `$ go test ./...` which should return `ok`, similar to:
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```test
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ok _/home/user/go/src/github/containous/traefik 0.004s
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```
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Integration tests must be run from the `integration/` directory and require the `-integration` switch: `$ cd integration && go test -integration ./...`.
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