Start of QEMU K3s based CI

script/vms/k3s.sh

@@ -0,0 +1,152 @@
+#!/bin/sh -eu
+
+set_vars() {
+  echo "QEMU K3s Ports(SSH=${K3S_SSH_PORT:=2222} API=${K3S_API_PORT:=16443} web=${K3S_WEB_PORT:=8080})"
+  echo "Kubeconfig: ${KUBECONFIG:-kubeconfig}"
+  echo "Image: ${IMG:-container.tar}"
+
+  rund=${XDG_RUNTIME_DIR-/tmp/$USER}/prem-operator
+  pid_file="${rund}/qemu.pid"
+  here=$(dirname "$0")
+
+  echo "Runtime dir: $rund"
+}
+
+# Function for 'boot-qemu-daemon' subcommand
+boot_qemu_daemon() {
+  echo "Booting QEMU as a daemon..."
+
+  mkdir -p $rund
+
+  if [ -f "$pid_file" ] && ps -p $(cat "$pid_file") > /dev/null 2>&1; then
+      echo "QEMU is already running. Exiting."
+      exit 1
+  fi
+
+  rm -f temp.img
+  qemu-img create -F qcow2 -f qcow2 -b k3s-base.img temp.img
+
+  qemu-system-x86_64 \
+    -machine accel=kvm,type=q35 \
+    -cpu host \
+    -m 8G \
+    -device virtio-net-pci,netdev=net0 \
+    -netdev user,id=net0,hostfwd=tcp::${K3S_SSH_PORT}-:22,hostfwd=tcp::${K3S_API_PORT}-:6443,hostfwd=tcp::${K3S_WEB_PORT}-:80 \
+    -drive if=virtio,format=qcow2,file=temp.img,cache=none \
+    -drive if=virtio,format=raw,file=seed.img \
+    -serial file:serial.log \
+    -pidfile "$pid_file" \
+    -display none \
+    -daemonize
+
+  echo "Started QEMU waiting for SSH"
+  ssh_opts="-o BatchMode=yes -o ConnectTimeout=10 -o ConnectionAttempts=120"
+
+  if ! ssh ${ssh_opts} -p "${K3S_SSH_PORT}" [email protected] true; then
+    echo "SSH connection failed."
+    echo "Serial log output:"
+    tail -n 100 serial.log
+    echo "Killing QEMU..."
+    kill $(cat "$pid_file")
+    rm -f "$pid_file"
+    exit 1
+  fi
+
+  echo "SSH connection established."
+}
+
+# Function for 'boot-qemu' subcommand
+boot_qemu() {
+    echo "Booting QEMU..."
+    # Your boot-qemu code here
+}
+
+stop_qemu() {
+  if [ -f "$pid_file" ]; then
+      pid=$(cat "$pid_file")
+
+      if ps -p $pid > /dev/null 2>&1; then
+          # Check if the process is QEMU
+          if ps -p $pid -o comm= | grep -q "qemu-system"; then
+              echo "QEMU pid $pid found. Killing it..."
+
+              kill $pid
+          else
+              echo "PID file found, but the process is not QEMU. Skipping termination."
+          fi
+      else
+          echo "PID file found, but the process is not running. Removing the PID file..."
+      fi
+
+      rm -f "$pid_file"
+  else
+      echo "No QEMU PID file found. QEMU is not running."
+  fi
+}
+
+# Function for 'install-k3s' subcommand
+install_k3s() {
+  echo "Installing k3s..."
+
+  k3sup install --ip ${K3S_IP-0.0.0.0} --ssh-port ${K3S_SSH_PORT-22} --user ${K3S_USER-ubuntu}
+}
+
+# Function for 'setup-image' subcommand
+setup_image() {
+    echo "Setting up image..."
+    # Your setup-image code here
+}
+
+# Default function when no valid subcommand is provided
+show_help() {
+  echo "Usage: $0 <command> [options]"
+  echo ""
+  echo "Commands:"
+  echo "  boot-qemu-daemon  Boot QEMU as a daemon"
+  echo "  boot-qemu         Boot QEMU"
+  echo "  install-k3s       Install k3s"
+  echo "  setup-image       Setup image"
+  echo "  help              Show this help message"
+}
+
+# Check if at least one argument is provided
+if [ $# -lt 1 ]; then
+    show_help
+    exit 1
+fi
+
+original_pwd=$(pwd)
+cd $(dirname $0)
+
+cleanup() {
+  cd "$original_pwd"
+}
+trap cleanup EXIT
+
+set_vars
+
+case "$1" in
+  boot-qemu-daemon)
+      boot_qemu_daemon "${@:2}"
+      ;;
+  boot-qemu)
+      boot_qemu "${@:2}"
+      ;;
+  stop-qemu)
+    stop_qemu "${@:2}"
+    ;;
+  install-k3s)
+      install_k3s "${@:2}"
+      ;;
+  setup-image)
+      setup_image "${@:2}"
+      ;;
+  help)
+      show_help
+      ;;
+  *)
+      echo "Error: Unknown command '$1'"
+      show_help
+      exit 1
+      ;;
+esac

script/vms/metadata.yaml

@@ -0,0 +1,3 @@
+instance-id: pou3
+local-hostname: pou3
+

script/vms/privileged-pod.yaml

@@ -0,0 +1,18 @@
+   apiVersion: v1
+   kind: Pod
+   metadata:
+     name: privileged-pod
+   spec:
+     containers:
+     - name: privileged-container
+       image: alpine
+       command: ["/bin/sh", "-c", "sleep infinity"]
+       securityContext:
+         privileged: true
+       volumeMounts:
+       - name: host-path
+         mountPath: /host
+     volumes:
+     - name: host-path
+       hostPath:
+         path: /

script/vms/user-data.yaml

@@ -0,0 +1,9 @@
+#cloud-config
+# TODO: replace with generated key
+ssh_import_id:
+  - gh:richiejp
+
+growpart:
+  mode: auto
+  devices: ["/"]
+