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Now that clang-format-14 ubuntu packages are available, it's time to finally upgrade our clang-format version. This version brings with it a bunch of useful features with const-placement being the most notable. These will be enabled in the following commits.
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SerenityOS self-hosted runner setup instructions
Requirements
Since these self hosted-runners are supposed to be a more performant alternative to the GitHub-provided runners, the bare minimum requirements are GitHub's own Linux runner hardware specification as well as guaranteed uptime.
As for recommended requirements, listed below are the specifications of the current SerenityOS runners, roughly matching these would eventually make running performance-regression related tests on these easier. (But this is not a hard requirement, as GitHub offers the ability to selectively choose which self-hosted runners run which workflow)
IdanHo runner:
- Ryzen 5 3600 - 12 cores w/ KVM support
- 64GB of RAM
- 512GB of SSD space
This runner can be split into 2 runners with half the cores/RAM/space if needed.
Setup
These instructions assume the OS installed is Ubuntu 20.04 (Focal), so they might not be compatible with other Linux flavours.
Install base dependencies
sudo add-apt-repository ppa:canonical-server/server-backports
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
sudo add-apt-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main'
apt update
apt install git build-essential make cmake clang-format-14 gcc-11 g++-11 libstdc++-11-dev libgmp-dev ccache libmpfr-dev libmpc-dev ninja-build e2fsprogs qemu-utils qemu-system-i386 wabt
Force usage of GCC 11
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11
Create a new user account named 'runner'
adduser runner
Give it password-less sudo capabilities by adding the following line to /etc/sudoers:
runner ALL=(ALL) NOPASSWD:ALL
Add it to the kvm access group (if available):
adduser runner kvm
Switch to the new user and then create a workspace folder in its home directory:
mkdir actions-runner && cd actions-runner
Download the latest version of actions-runner-linux-x64 from https://github.com/rust-lang/gha-runner/releases
curl -o actions-runner-linux-x64-X.X.X.tar.gz -L https://github.com/rust-lang/gha-runner/releases/download/vX.X.X-rust1/actions-runner-linux-x64-X.X.X-rust1.tar.gz
Extract the tar archive
tar xzf ./actions-runner-linux-x64-X.X.X.tar.gz
Link the runner to the repository
./config.sh --url https://github.com/SerenityOS/serenity --token INSERT_SECRET_TOKEN_HERE
Configure the runner to protect against malicious PRs by adding the following line to .env:
RUST_WHITELISTED_EVENT_NAME=push
Configure the maximum runner threads by adding the following line to .env:
MAX_RUNNER_THREADS=XXX
If you are setting up multiple runners on the same machine, this setting can be used to divvy up the cores, if you're only setting up one runner, this can just be set to the server's core count
Install the runner as a service
sudo ./svc.sh install
Start the runner
sudo ./svc.sh start