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|
name: 'Start QEMU VM'
description: 'Start QEMU virtual machine'
inputs:
qemu: # QEMU binary to use
required: false
default: "qemu-system-x86_64"
image: # VM image file
required: true
ssh_fwd_port: # forward this host port to the guest's SSH port
required: false
default: 2022
options: # Custom QEMU invocation options no \n at the end!
required: false
ram: # how much RAM to allocate to VM
required: false
default: "12G"
host_key: # If true add guest host key to known_hosts
required: false
default: "false"
runs:
using: "composite"
steps:
- name: install wait-for-it
shell: bash
run: sudo apt update && sudo apt-get -qq install wait-for-it
- name: Enable KVM group perms
shell: bash
run: |
echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
sudo udevadm control --reload-rules
sudo udevadm trigger --name-match=kvm
- name: Start VM in background
shell: bash
run: |
${{ inputs.qemu }} \
-cpu host \
-drive file=${{ inputs.image }},format=raw,if=virtio \
-enable-kvm \
-smp $(nproc) \
-nographic \
-m ${{ inputs.ram }} \
-display none \
-machine q35,accel=kvm \
-nic user,model=virtio-net-pci,hostfwd=tcp::${{ inputs.ssh_fwd_port }}-:22 \
${{ inputs.options }} \
&
- name: Wait for VM to boot
shell: bash
run: |
wait-for-it localhost:${{ inputs.ssh_fwd_port }} -t 15
sleep 3
- name: Add guest host key to known_hosts
shell: bash
run: |
if echo ${{ inputs.host_key }} | grep -c "true"
then
ssh root@localhost -p ${{ inputs.ssh_fwd_port }} -o StrictHostKeyChecking=no echo
fi
|
