Improve detecting VM Operating System.

Issue/glitch with kernel panic on first run seems to be fixed on Debian
Bookworm (12). Do not reset VM for that version (and hopefully
upcoming).

README.rst

@@ -2,8 +2,8 @@
 box.py
 ======
 
-Box.py is a simple automation tool meant to run Ubuntu, Fedora or Centos Stream
-cloud images on top of VirtualBox.
+Box.py is a simple automation tool meant to run Ubuntu, Fedora, Centos Stream
+or Debian cloud images on top of VirtualBox.
 
 What it does is simply download official cloud image, set up VM, tweak it up
 and do the initial pre-configuration using generated config drive.
@@ -16,7 +16,7 @@ weird named options for ``vboxmanage`` ;P)
 Requirements
 ------------
 
-- Python >=3.7
+- Python >=3.8
 
   - `pyyaml`_
   - `requests`_
@@ -24,7 +24,7 @@ Requirements
 - Virtualbox (obviously)
 - ``mkisofs`` or ``genisoimage`` command for generating ISO image
 - ``wget`` command for fetching images
-- ``sha256sum`` command for checksum check
+- ``sha256sum`` and ``sha512sum`` commands for checksum check
 - ``qemu-img`` from *qemu-utils* package command for converting between images
   formats
 
@@ -39,7 +39,7 @@ your operating system, or by using virtualenv for Python requirements, i.e.:
 
    $ python -m virtualenv .venv
    $ . .venv/bin/activate
-   (.venv) $ pip install requirements.txt
+   (.venv) $ pip install -r requirements.txt
 
 then you can issue:
 
@@ -91,13 +91,15 @@ use it ad-hoc, or place on your ``.bashrc`` or whatever:
 
 Currently, following commands are available:
 
-- ``list`` - for quickly listing all/running VMs
-- ``info`` - to get summary about VM
-- ``destroy`` - that is probably obvious one
+- ``completion`` - as described above
 - ``create`` - create new VM
+- ``destroy`` - that is probably obvious one
+- ``info`` - to get summary about VM
+- ``list`` - for quickly listing all/running VMs
 - ``rebuild`` - recreate specified VM
 - ``ssh`` - connect to the VM using ssh
-- ``completion`` - as described above
+- ``start`` - stop the running VM
+- ``stop`` - start stopped VM
 
 All of the commands have a range of options, and can be examined by using
 ``--help`` option.

box.py

@@ -18,14 +18,15 @@ import requests
 import yaml
 
 
-__version__ = "1.3"
+__version__ = "1.8"
 
 CACHE_DIR = os.environ.get('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
 CLOUD_IMAGE = "ci.iso"
 FEDORA_RELEASE_MAP = {'32': '1.6', '33': '1.2', '34': '1.2'}
+DEBIAN_CODENAME_MAP = {'12': 'bookworm', '11': 'bullseye', '10': 'buster'}
 TYPE_MAP = {'HardDisk': 'disk', 'DVD': 'dvd', 'Floppy': 'floppy'}
 DISTRO_MAP = {'ubuntu': 'Ubuntu', 'fedora': 'Fedora',
-              'centos': 'Centos Stream'}
+              'centos': 'Centos Stream', 'debian': 'Debian'}
 META_DATA_TPL = string.Template('''\
 instance-id: $instance_id
 local-hostname: $vmhostname
@@ -160,8 +161,8 @@ _boxpy() {
                         _ssh_identityfile
                         ;;
                     --distro)
-                        COMPREPLY=( $(compgen -W "ubuntu fedora centos" \
-                                -- ${cur}) )
+                        COMPREPLY=( $(compgen -W "ubuntu fedora centos
+                            debian" -- ${cur}) )
                         ;;
                     --type)
                         COMPREPLY=( $(compgen -W "gui headless sdl separate" \
@@ -585,6 +586,48 @@ class Config:
         return source
 
 
+class OsTypes:
+    def __init__(self, conf):
+        self._conf = conf
+        self._ostypes = []
+
+        self._gather_os_types()
+
+    def _gather_os_types(self):
+        out = Run(['vboxmanage', 'list', 'ostypes']).stdout
+        for line in out.split('\n'):
+            if not line.startswith('ID:'):
+                continue
+            self._ostypes.append(line.split(':')[1].strip())
+
+    def ubuntu(self):
+        lts = ''
+        major, minor = [int(x) for x in self._conf.version.split('.')]
+
+        if major % 2 == 0 and minor == 4:
+            lts = '_LTS'
+        name = "Ubuntu%s%s_64" % (major, lts)
+
+        if name not in self._ostypes:
+            return 'Ubuntu_64'
+
+        return name
+
+    def fedora(self):
+        return "Fedora_64"
+
+    def debian(self):
+        name = "Debian%s_64" % self._conf.version
+        if name not in self._ostypes:
+            return 'Debian_64'
+
+    def get(self):
+        if not hasattr(self, self._conf.distro):
+            return "Linux_64"
+
+        return getattr(self, self._conf.distro)()
+
+
 class VBoxManage:
     """
     Class for dealing with vboxmanage commands
@@ -765,7 +808,11 @@ class VBoxManage:
                '--acpi', 'on',
                '--audio', 'none',
                '--nic1', 'nat',
-               '--natpf1', f'boxpyssh,tcp,,{port},,22']
+               '--natpf1', f'boxpyssh,tcp,,{port},,22',
+               '--graphicscontroller', 'vmsvga',
+               '--vram', '16',
+               '--ostype', OsTypes(conf).get()]
+
         for count, (hostport, vmport) in enumerate(conf.forwarding.items(),
                                                    start=1):
             cmd.extend(['--natpf1', f'custom-pf-{count},tcp,,{hostport},'
@@ -914,6 +961,7 @@ class VBoxManage:
 class Image:
     URL = ""
     IMG = ""
+    CHECKSUMTOOL = 'sha256sum'
 
     def __init__(self, vbox, version, arch, release, fname=None):
         self.vbox = vbox
@@ -964,7 +1012,7 @@ class Image:
             return False
 
         if os.path.exists(os.path.join(CACHE_DIR, self._img_fname)):
-            cmd = ['sha256sum', os.path.join(CACHE_DIR, self._img_fname)]
+            cmd = [self.CHECKSUMTOOL, os.path.join(CACHE_DIR, self._img_fname)]
             calulated_sum = Run(cmd).stdout.split(' ')[0]
             LOG.details('Checksum for image: %s, expected: %s', calulated_sum,
                         expected_sum)
@@ -1017,6 +1065,30 @@ class Ubuntu(Image):
         return expected_sum
 
 
+class Debian(Image):
+    URL = "https://cloud.debian.org/images/cloud/%s/daily/latest/%s"
+    IMG = "debian-%s-generic-%s-daily.qcow2"
+    CHECKSUMTOOL = 'sha512sum'
+
+    def __init__(self, vbox, version, arch, release, fname=None):
+        super().__init__(vbox, version, arch, release)
+        self._img_fname = self.IMG % (version, arch)
+        self._img_url = self.URL % (release, self._img_fname)
+        self._checksum_file = 'SHA512SUMS'
+        self._checksum_url = self.URL % (release, self._checksum_file)
+
+    def _get_checksum(self, fname):
+        expected_sum = None
+        Run(['wget', self._checksum_url, '-q', '-O', fname])
+        with open(fname) as fobj:
+            for line in fobj.readlines():
+                if self._img_fname in line:
+                    expected_sum = line.split(' ')[0]
+                    break
+
+        return expected_sum
+
+
 class Fedora(Image):
     URL = ("https://download.fedoraproject.org/pub/fedora/linux/releases/%s/"
            "Cloud/%s/images/%s")
@@ -1115,13 +1187,20 @@ DISTROS = {'ubuntu': {'username': 'ubuntu',
                       'realname': 'centos',
                       'img_class': CentosStream,
                       'amd64': 'x86_64',
-                      'default_version': '8'}}
+                      'default_version': '8'},
+           'debian': {'username': 'debian',
+                      'realname': 'debian',
+                      'img_class': Debian,
+                      'amd64': 'amd64',
+                      'default_version': '11'}}
 
 
 def get_image_object(vbox, version, image='ubuntu', arch='amd64'):
     release = None
     if image == 'fedora':
         release = FEDORA_RELEASE_MAP[version]
+    if image == 'debian':
+        release = DEBIAN_CODENAME_MAP[version]
     return DISTROS[image]['img_class'](vbox, version, DISTROS[image]['amd64'],
                                        release, DISTROS[image].get('image'))
 
@@ -1247,6 +1326,7 @@ def vmcreate(args, conf=None):
            f'ssh://{username}@localhost:{vbox.vm_info["port"]}',
            'sudo cloud-init status']
     try:
+        counter = 0
         while True:
             out = Run(cmd)
             LOG.debug('Out: %s', out.stdout)
@@ -1266,6 +1346,22 @@ def vmcreate(args, conf=None):
                                           f'VM with ssh for user {username}. '
                                           f'Check output in debug mode.')
                 time.sleep(3)
+                counter += 1
+
+                # TODO: there is something odd with debian cloud images prior
+                # to 12 (bookworm), as on first run system crashes. In that
+                # case after ~20 seconds there should already be panic, reset
+                # machine as a workaround. Remove this after debian 12
+                # stabilization later this year.
+                if (counter == 8 and conf.distro == 'debian'
+                        and conf.version != '12'):
+                    LOG.debug('Resetting `%s`, due to the issue with kernel '
+                              'panic on Debian %s the first run', conf.name,
+                              conf.version)
+                    counter += 1
+                    vbox.poweroff()
+                    time.sleep(3)
+                    vbox.poweron(args.type)
                 continue
 
             LOG.info(' done')
@@ -1445,6 +1541,13 @@ def vmrebuild(args):
         conf.disk_size = vbox.get_media_size(disk_path)
 
     vmdestroy(args)
+
+    # Wait till VM is gone
+    while True:
+        vbox = VBoxManage(args.name)
+        if not vbox.get_vm_info():
+            break
+
     vmcreate(args, conf)
     return 0
 
@@ -1470,11 +1573,14 @@ def connect(args):
         return 16
 
     username = conf.username or DISTROS[conf.distro]["username"]
-    return Run(['ssh', '-o', 'StrictHostKeyChecking=no',
-                '-o', 'UserKnownHostsFile=/dev/null',
-                '-i', conf.ssh_key_path[:-4],
-                f'ssh://{username}'
-                f'@localhost:{conf.port}'], False).returncode
+    cmd = ['ssh', '-o', 'StrictHostKeyChecking=no',
+           '-o', 'UserKnownHostsFile=/dev/null',
+           '-i', conf.ssh_key_path[:-4],
+           f'ssh://{username}'
+           f'@localhost:{conf.port}']
+    LOG.debug('Connecting to vm `%s` using command:\n%s', args.name,
+              ' '.join(cmd))
+    return Run(cmd, False).returncode
 
 
 def _set_vmstate(name, state):