nomad.yaml

# Deploy nomad with containerd
# $ limactl start ./nomad.yaml
# $ limactl shell nomad nomad
#
# See <http://localhost:4646>
#
# More examples can be found at:
# https://github.com/Roblox/nomad-driver-containerd/tree/master/example

# This example requires Lima v0.7.0 or later.

# Image is set to focal (20.04 LTS) for long-term stability
# TODO: Upgrade to 22.04 LTS when nomad-driver-containerd supports cgroup v2: https://github.com/Roblox/nomad-driver-containerd/pull/133
images:
# Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
- location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-amd64.img"
  arch: "x86_64"
  digest: "sha256:243157ea0390890d6e60ce5e08e0249b16e23b6b313b63aed50f39f92b020afe"
- location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-arm64.img"
  arch: "aarch64"
  digest: "sha256:fb2b4efdbf0011bd2a9fd49e9d31efdd252966c889f07b5d246351ec5734a329"
# Fallback to the latest release image.
# Hint: run `limactl prune` to invalidate the cache
- location: "https://cloud-images.ubuntu.com/releases/20.04/release/ubuntu-20.04-server-cloudimg-amd64.img"
  arch: "x86_64"
- location: "https://cloud-images.ubuntu.com/releases/20.04/release/ubuntu-20.04-server-cloudimg-arm64.img"
  arch: "aarch64"

# Mounts are disabled in this example, but can be enabled optionally.
mounts: []
containerd:
  system: true
  user: false
# See https://learn.hashicorp.com/tutorials/nomad/get-started-install
provision:
- mode: system
  script: |
    #!/bin/sh
    command -v nomad >/dev/null 2>&1 && exit 0
    curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add -
    echo "deb https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
    apt-get update
    apt-get install -y nomad consul golang-cfssl
    sed -e '/^client/a \ \ cni_path = "/usr/local/libexec/cni"\n\ \ cni_config_dir = "/etc/cni/net.d"' -i /etc/nomad.d/nomad.hcl
    # install containerd-driver
    DRIVER_VERSION=0.9.3
    case $(uname -m) in
      amd64|x86_64)
        curl -sSL -o containerd-driver https://github.com/Roblox/nomad-driver-containerd/releases/download/v${DRIVER_VERSION}/containerd-driver
        ;;
      arm64|aarch64)
        curl -sSL -o containerd-driver https://github.com/Roblox/nomad-driver-containerd/releases/download/v${DRIVER_VERSION}/containerd-driver-arm64
        ;;
    esac
    sudo install -D containerd-driver /opt/nomad/data/plugins/containerd-driver
    cat <<EOF | sudo tee -a /etc/nomad.d/nomad.hcl

    plugin "containerd-driver" {
      config {
          enabled = true
          containerd_runtime = "io.containerd.runc.v2"
          stats_interval = "5s"
      }
    }
    EOF
    systemctl enable --now nomad consul
- mode: user
  script: |
    #!/bin/sh
    nomad -autocomplete-install
probes:
- script: |
    #!/bin/bash
    set -eux -o pipefail
    if ! timeout 30s bash -c "until command -v nomad >/dev/null 2>&1; do sleep 3; done"; then
      echo >&2 "nomad is not installed yet"
      exit 1
    fi
  hint: See "/var/log/cloud-init-output.log". in the guest