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177 lines
6.9 KiB
Markdown
177 lines
6.9 KiB
Markdown
### Build and test Moby on Windows
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This page explains how to get the software you need to build, test, and run the
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Moby source code for Windows and setup the required software and services:
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- Windows containers
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- GitHub account
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- Git
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## Prerequisites
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### 1. Windows Server 2016 or Windows 10 with all Windows updates applied
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The major build number must be at least 14393. This can be confirmed, for example,
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by running the following from an elevated PowerShell prompt - this sample output
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is from a fully up to date machine as at mid-November 2016:
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PS C:\> $(gin).WindowsBuildLabEx
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14393.447.amd64fre.rs1_release_inmarket.161102-0100
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### 2. Git for Windows (or another git client) must be installed
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https://git-scm.com/download/win.
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### 3. The machine must be configured to run containers
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For example, by following the quick start guidance at
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https://msdn.microsoft.com/en-us/virtualization/windowscontainers/quick_start/quick_start or https://github.com/docker/labs/blob/master/windows/windows-containers/Setup.md
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### 4. If building in a Hyper-V VM
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For Windows Server 2016 using Windows Server containers as the default option,
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it is recommended you have at least 1GB of memory assigned;
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For Windows 10 where Hyper-V Containers are employed, you should have at least
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4GB of memory assigned.
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Note also, to run Hyper-V containers in a VM, it is necessary to configure the VM
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for nested virtualization.
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## Usage
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The following steps should be run from an elevated Windows PowerShell prompt.
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>**Note**: In a default installation of containers on Windows following the quick-start guidance at https://msdn.microsoft.com/en-us/virtualization/windowscontainers/quick_start/quick_start,
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the `docker.exe` client must run elevated to be able to connect to the daemon).
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### 1. Windows containers
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To test and run the Windows Moby engine, you need a system that supports Windows Containers:
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- Windows 10 Anniversary Edition
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- Windows Server 2016 running in a VM, on bare metal or in the cloud
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Check out the [getting started documentation](https://github.com/docker/labs/blob/master/windows/windows-containers/Setup.md) for details.
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### 2. GitHub account
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To contribute to the Docker project, you need a <a href="https://github.com" target="_blank">GitHub account</a>.
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A free account is fine. All the Moby project repositories are public and visible to everyone.
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This guide assumes that you have basic familiarity with Git and Github terminology
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and usage.
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Refer to [GitHub For Beginners: Don’t Get Scared, Get Started](http://readwrite.com/2013/09/30/understanding-github-a-journey-for-beginners-part-1/)
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to get up to speed on Github.
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### 3. Git
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In PowerShell, run:
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Invoke-Webrequest "https://github.com/git-for-windows/git/releases/download/v2.7.2.windows.1/Git-2.7.2-64-bit.exe" -OutFile git.exe -UseBasicParsing
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Start-Process git.exe -ArgumentList '/VERYSILENT /SUPPRESSMSGBOXES /CLOSEAPPLICATIONS /DIR=c:\git\' -Wait
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setx /M PATH "$env:Path;c:\git\cmd"
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You are now ready clone and build the Moby source code.
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### 4. Clone Moby
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In a new (to pick up the path change) PowerShell prompt, run:
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git clone https://github.com/moby/moby
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cd moby
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This clones the main Moby repository. Check out [Moby Project](https://mobyproject.org)
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to learn about the other software that powers the Moby platform.
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### 5. Build and run
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Create a builder-container with the Moby source code. You can change the source
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code on your system and rebuild any time:
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docker build -t nativebuildimage -f .\Dockerfile.windows .
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docker build -t nativebuildimage -f Dockerfile.windows -m 2GB . # (if using Hyper-V containers)
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To build Moby, run:
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$DOCKER_GITCOMMIT=(git rev-parse --short HEAD)
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docker run --name binaries -e DOCKER_GITCOMMIT=$DOCKER_GITCOMMIT nativebuildimage hack\make.ps1 -Binary
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docker run --name binaries -e DOCKER_GITCOMMIT=$DOCKER_GITCOMMIT -m 2GB nativebuildimage hack\make.ps1 -Binary # (if using Hyper-V containers)
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Copy out the resulting Windows Moby Engine binary to `dockerd.exe` in the
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current directory:
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docker cp binaries:C:\go\src\github.com\moby\moby\bundles\docker.exe docker.exe
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docker cp binaries:C:\go\src\github.com\moby\moby\bundles\dockerd.exe dockerd.exe
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To test it, stop the system Docker daemon and start the one you just built:
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Stop-Service Docker
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.\dockerd.exe -D
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The other make targets work too, to run unit tests try:
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`docker run --rm docker-builder sh -c 'cd /c/go/src/github.com/moby/moby; hack/make.sh test-unit'`.
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### 6. Remove the interim binaries container
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_(Optional)_
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docker rm binaries
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### 7. Remove the image
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_(Optional)_
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It may be useful to keep this image around if you need to build multiple times.
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Then you can take advantage of the builder cache to have an image which has all
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the components required to build the binaries already installed.
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docker rmi nativebuildimage
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## Validation
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The validation tests can only run directly on the host.
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This is because they calculate information from the git repo, but the .git directory
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is not passed into the image as it is excluded via `.dockerignore`.
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Run the following from a Windows PowerShell prompt (elevation is not required):
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(Note Go must be installed to run these tests)
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hack\make.ps1 -DCO -PkgImports -GoFormat
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## Unit tests
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To run unit tests, ensure you have created the nativebuildimage above.
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Then run one of the following from an (elevated) Windows PowerShell prompt:
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docker run --rm nativebuildimage hack\make.ps1 -TestUnit
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docker run --rm -m 2GB nativebuildimage hack\make.ps1 -TestUnit # (if using Hyper-V containers)
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To run unit tests and binary build, ensure you have created the nativebuildimage above.
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Then run one of the following from an (elevated) Windows PowerShell prompt:
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docker run nativebuildimage hack\make.ps1 -All
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docker run -m 2GB nativebuildimage hack\make.ps1 -All # (if using Hyper-V containers)
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## Windows limitations
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Don't attempt to use a bind mount to pass a local directory as the bundles
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target directory.
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It does not work (golang attempts for follow a mapped folder incorrectly).
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Instead, use docker cp as per the example.
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`go.zip` is not removed from the image as it is used by the Windows CI servers
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to ensure the host and image are running consistent versions of go.
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Nanoserver support is a work in progress. Although the image will build if the
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`FROM` statement is updated, it will not work when running autogen through `hack\make.ps1`.
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It is suspected that the required GCC utilities (eg gcc, windres, windmc) silently
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quit due to the use of console hooks which are not available.
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The docker integration tests do not currently run in a container on Windows,
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predominantly due to Windows not supporting privileged mode, so anything using a volume would fail.
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They (along with the rest of the docker CI suite) can be run using
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https://github.com/jhowardmsft/docker-w2wCIScripts/blob/master/runCI/Invoke-DockerCI.ps1.
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## Where to go next
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In the next section, you'll [learn how to set up and configure Git for
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contributing to Moby](set-up-git.md).
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