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Setting up a new Crater agent machine

This document contains the steps to configure a new Crater agent machine from scratch, from an Amazon Linux image. To get a new one ask in #rust-infra.

The machine type we're currently using is:

  • Instance: AWS c5.2xlarge
  • Storage: 2 Tb
  • OS: Amazon Linux 2

Once they tell you the IP of the machine, ssh with the ec2-user user into it from the bastion server, and execute these commands:

curl https://sh.rustup.rs -sSf | sh
source $HOME/.cargo/env
sudo yum install git htop docker gcc cmake openssl-devel
sudo yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
sudo yum install --enablerepo=epel byobu
sudo systemctl start docker
sudo systemctl enable docker
sudo usermod -a -G docker ec2-user

# Configure byobu to use Ctrl+Z instead of Ctrl+A
mkdir ~/.byobu
cat > ~/.byobu/keybindings.tmux << EOF
unbind-key -n C-a
unbind-key -n C-z
set -g prefix ^Z
set -g prefix2 ^Z
bind z send-prefix
EOF

Log out of the machine. From the bastion, copy the ~/.aws/credentials file from an existing agent into the new one, and then log into it again and execute:

git clone https://github.com/rust-lang/crater
cd crater
cargo build --release

# This is going to take a while to complete
cargo run --release -- prepare-local