run/qemu: remove usb and device flags

refactor: move qemu to its own package
tests: implements end to end tests for the convert command with the following images: alpine:3.17, ubuntu:20.04, debian:11, centos:8

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>

pkg/qemu/config.go

@@ -0,0 +1,141 @@
+// Copyright 2023 Linka Cloud  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package qemu
+
+import (
+	"io"
+
+	"github.com/google/uuid"
+)
+
+type Option func(c *config)
+
+type Disk struct {
+	Path   string
+	Size   int
+	Format string
+}
+
+type PublishedPort struct {
+	Guest    uint16
+	Host     uint16
+	Protocol string
+}
+
+// config contains the config for Qemu
+type config struct {
+	path           string
+	uuid           uuid.UUID
+	gui            bool
+	disks          []Disk
+	networking     string
+	arch           string
+	cpus           uint
+	memory         uint
+	accel          string
+	detached       bool
+	qemuBinPath    string
+	qemuImgPath    string
+	publishedPorts []PublishedPort
+	netdevConfig   string
+
+	stdin  io.Reader
+	stdout io.Writer
+	stderr io.Writer
+}
+
+func WithGUI() Option {
+	return func(c *config) {
+		c.gui = true
+	}
+}
+
+func WithDisks(disks ...Disk) Option {
+	return func(c *config) {
+		c.disks = disks
+	}
+}
+
+func WithNetworking(networking string) Option {
+	return func(c *config) {
+		c.networking = networking
+	}
+}
+
+func WithArch(arch string) Option {
+	return func(c *config) {
+		c.arch = arch
+	}
+}
+
+func WithCPUs(cpus uint) Option {
+	return func(c *config) {
+		c.cpus = cpus
+	}
+}
+
+func WithMemory(memory uint) Option {
+	return func(c *config) {
+		c.memory = memory
+	}
+}
+
+func WithAccel(accel string) Option {
+	return func(c *config) {
+		c.accel = accel
+	}
+}
+
+func WithDetached() Option {
+	return func(c *config) {
+		c.detached = true
+	}
+}
+
+func WithQemuBinPath(path string) Option {
+	return func(c *config) {
+		c.qemuBinPath = path
+	}
+}
+
+func WithQemuImgPath(path string) Option {
+	return func(c *config) {
+		c.qemuImgPath = path
+	}
+}
+
+func WithPublishedPorts(ports ...PublishedPort) Option {
+	return func(c *config) {
+		c.publishedPorts = ports
+	}
+}
+
+func WithStdin(r io.Reader) Option {
+	return func(c *config) {
+		c.stdin = r
+	}
+}
+
+func WithStdout(w io.Writer) Option {
+	return func(c *config) {
+		c.stdout = w
+	}
+}
+
+func WithStderr(w io.Writer) Option {
+	return func(c *config) {
+		c.stderr = w
+	}
+}