gather info #11
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| name: Sunbeam Multi-node | |
| on: | |
| # Runs on pushes targeting the default branch | |
| push: | |
| branches: ["act"] | |
| # Allows you to run this workflow manually from the Actions tab | |
| workflow_dispatch: | |
| inputs: | |
| workaround: | |
| description: 'Apply a workaround' | |
| required: true | |
| default: true | |
| type: boolean | |
| hardware_profile: | |
| description: 'Specs for each machine' | |
| required: true | |
| default: minimal | |
| type: choice | |
| options: | |
| - minimal | |
| - minimal-with-cpu-overcommit | |
| - tutorial | |
| - allowance | |
| permissions: | |
| contents: read | |
| env: | |
| COLUMNS: 160 # default: 80 | |
| DEBIAN_FRONTEND: noninteractive | |
| defaults: | |
| run: | |
| shell: bash -ex {0} | |
| jobs: | |
| sunbeam-multi-node-tutorial: | |
| name: Sunbeam Multi-node Tutorial | |
| runs-on: [ubuntu-24.04] | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Check machine specs | |
| run: | | |
| systemd-detect-virt || true | |
| lscpu | |
| free -h | |
| lsblk | |
| lsblk -f | |
| cat /etc/os-release | |
| ip -br a | |
| ip r | |
| resolvectl --no-pager | |
| whoami | |
| groups | |
| # TODO: check if greenfield or brownfield first | |
| - name: Install prerequisites | |
| if: ${{ !env.ACT }} | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y uvtool j2cli | |
| - name: Download a VM image | |
| if: ${{ !env.ACT }} | |
| run: | | |
| sudo -g libvirt uvt-simplestreams-libvirt sync release=noble arch=amd64 | |
| sudo -g libvirt uvt-simplestreams-libvirt query | |
| - name: Prepare SSH, virtual network bridge, and virtual machines | |
| if: ${{ !env.ACT }} | |
| run: | | |
| # SSH | |
| ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519 -N '' | |
| cat <<EOF | tee -a ~/.ssh/config | |
| Host sunbeam-machine-1 | |
| User ubuntu | |
| Hostname 192.168.124.11 | |
| Host sunbeam-machine-2 | |
| User ubuntu | |
| Hostname 192.168.124.12 | |
| Host sunbeam-machine-3 | |
| User ubuntu | |
| Hostname 192.168.124.13 | |
| EOF | |
| # bridge | |
| sudo -g libvirt virsh -c qemu:///system net-define /dev/stdin <<EOF | |
| <network> | |
| <name>sunbeam-virbr0</name> | |
| <bridge name='sunbeam-virbr0' stp='off'/> | |
| <forward mode='nat'/> | |
| <ip address='192.168.124.1' netmask='255.255.255.0' /> | |
| </network> | |
| EOF | |
| sudo -g libvirt virsh -c qemu:///system net-autostart sunbeam-virbr0 | |
| sudo -g libvirt virsh -c qemu:///system net-start sunbeam-virbr0 | |
| - name: Clean up previous virtual machines | |
| if: ${{ env.ACT }} | |
| run: | | |
| for i in {1..3}; do | |
| # FIXME: the requirement of FQDN is not documented well in each tutorial | |
| sudo -g libvirt uvt-kvm destroy "sunbeam-machine-${i}.localdomain" || true | |
| done | |
| - name: Prepare virtual machines | |
| run: | | |
| for i in {1..3}; do | |
| sudo -g libvirt uvt-kvm create \ | |
| --machine-type q35 \ | |
| --cpu "4" \ | |
| --host-passthrough \ | |
| --memory "$((16 * 1024))" \ | |
| --disk "128" \ | |
| --ephemeral-disk "128" \ | |
| --ephemeral-disk "128" \ | |
| --unsafe-caching \ | |
| --bridge sunbeam-virbr0 \ | |
| --network-config /dev/stdin \ | |
| --ssh-public-key-file ~/.ssh/id_ed25519.pub \ | |
| --no-start \ | |
| sunbeam-machine-${i}.localdomain \ | |
| release=noble <<EOF | |
| network: | |
| version: 2 | |
| ethernets: | |
| enp1s0: | |
| dhcp4: false | |
| dhcp6: false | |
| accept-ra: false | |
| addresses: | |
| - 192.168.124.1${i}/24 | |
| routes: | |
| - to: default | |
| via: 192.168.124.1 | |
| nameservers: | |
| addresses: | |
| - 192.168.124.1 | |
| EOF | |
| done | |
| # secondary NIC | |
| for i in {1..3}; do | |
| sudo -g libvirt virsh -c qemu:///system attach-interface "sunbeam-machine-${i}.localdomain" \ | |
| network sunbeam-virbr0 \ | |
| --model virtio --config | |
| done | |
| for i in {1..3}; do | |
| sudo -g libvirt virsh -c qemu:///system start "sunbeam-machine-${i}.localdomain" | |
| done | |
| for i in {1..3}; do | |
| until ssh -oStrictHostKeyChecking=no "sunbeam-machine-${i}" -- 'cloud-init status --wait; ip -br a; lsblk'; do | |
| sleep 5 | |
| done | |
| done |