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INSTALL.md

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Building Rook

Rook is composed of a golang project and can be built directly with standard golang tools, and storage software (like Ceph) that are built inside containers. We currently support these platforms for building:

  • Linux: most modern distributions should work although most testing has been done on Ubuntu
  • Mac: macOS 10.6+ is supported

Build Requirements

Recommend 2+ cores, 8+ GB of memory and 128GB of SSD. Inside your build environment (Docker for Mac or a VM), 2+ GB memory is also recommended.

The following tools are need on the host:

  • curl
  • docker (1.12+) or Docker for Mac (17+)
  • git
  • make
  • golang
  • rsync (if you're using the build container on mac)

Build

You can build the Rook binaries and all container images for the host platform by simply running the command below. Building in parallel with the -j option is recommended.

make -j4

Run make help for more options.

CI Workflow

Every PR and every merge to master triggers the CI process in Github actions. On every commit to PR and master the CI will build, run unit tests, and run integration tests. If the build is for master or a release, the build will also be published to dockerhub.com.

Building for other platforms

You can also run the build for all supported platforms:

make -j4 build.all

Or from the cross container:

build/run make -j4 build.all

Currently, only amd64 platform supports this kind of 'cross' build. In order to make build.all succeed, we need to follow the steps specified by the below section Building for other platforms first.

We suggest to use native build to create the binaries and container images on arm{32,64} platform, but if you do want to build those arm{32,64} binaries and images on amd64 platform with build.all command, please make sure the multi-arch feature is supported. To test run the following:

> docker run --rm -ti arm32v7/ubuntu uname -a
Linux bad621a75757 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017 armv7l armv7l armv7l GNU/Linux

> docker run --rm -ti arm64v8/ubuntu uname -a
Linux f51ea93e76a2 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux

In order to build container images for these platforms we rely on cross-compilers and QEMU. Cross compiling is much faster than QEMU and so we lean heavily on it.

In order for QEMU to work inside docker containers you need to do a few things on the linux host. If you are using a recent Docker for Mac build you can skip this section, since they added support for binfmt and multi-arch docker builds.

On an Ubuntu machine with a 4.8+ kernel you need to run install the following:

DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends \
    binfmt-support
    qemu-user-static

You also need to run the following on every boot:

docker run --rm --privileged hypriot/qemu-register

you can install a systemd unit to help with this if you'd like, for example:

cat <<EOF > /etc/systemd/system/update-binfmt.service
[Unit]
After=docker.service

[Service]
Type=oneshot
ExecStartPre=/usr/bin/docker pull hypriot/qemu-register
ExecStart=/usr/bin/docker run --rm --privileged hypriot/qemu-register
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target
EOF

systemctl enable update-binfmt.service