示例#1
0
    def create_network(self, name, forward, gateway, mask, dhcp, bridge, openvswitch, fixed=False):
        xml = """
            <network>
                <name>%s</name>""" % name
        if forward in ['nat', 'route', 'bridge']:
            xml += """<forward mode='%s'/>""" % forward
        xml += """<bridge """
        if forward in ['nat', 'route', 'none']:
            xml += """stp='on' delay='0'"""
        if forward == 'bridge':
            xml += """name='%s'""" % bridge
        xml += """/>"""
        if openvswitch is True:
            xml += """<virtualport type='openvswitch'/>"""
        if forward != 'bridge':
            xml += """
                        <ip address='%s' netmask='%s'>""" % (gateway, mask)
            if dhcp:
                xml += """<dhcp>
                            <range start='%s' end='%s' />""" % (dhcp[0], dhcp[1])
                if fixed:
                    fist_oct = int(dhcp[0].strip().split('.')[3])
                    last_oct = int(dhcp[1].strip().split('.')[3])
                    for ip in range(fist_oct, last_oct + 1):
                        xml += """<host mac='%s' ip='%s.%s' />""" % (util.randomMAC(), gateway[:-2], ip)
                xml += """</dhcp>"""

            xml += """</ip>"""
        xml += """</network>"""
        self.define_network(xml)
        net = self.get_network(name)
        net.create()
        net.setAutostart(1)
示例#2
0
    def create_network(self, name, forward, gateway, mask, dhcp, bridge, openvswitch, fixed=False):
        xml = """
            <network>
                <name>%s</name>""" % name
        if forward in ['nat', 'route', 'bridge']:
            xml += """<forward mode='%s'/>""" % forward
        xml += """<bridge """
        if forward in ['nat', 'route', 'none']:
            xml += """stp='on' delay='0'"""
        if forward == 'bridge':
            xml += """name='%s'""" % bridge
        xml += """/>"""
        if openvswitch is True:
            xml += """<virtualport type='openvswitch'/>"""
        if forward != 'bridge':
            xml += """
                        <ip address='%s' netmask='%s'>""" % (gateway, mask)
            if dhcp:
                xml += """<dhcp>
                            <range start='%s' end='%s' />""" % (dhcp[0], dhcp[1])
                if fixed:
                    fist_oct = int(dhcp[0].strip().split('.')[3])
                    last_oct = int(dhcp[1].strip().split('.')[3])
                    for ip in range(fist_oct, last_oct + 1):
                        xml += """<host mac='%s' ip='%s.%s' />""" % (util.randomMAC(), gateway[:-2], ip)
                xml += """</dhcp>"""

            xml += """</ip>"""
        xml += """</network>"""
        self.define_network(xml)
        net = self.get_network(name)
        net.create()
        net.setAutostart(1)
示例#3
0
def create(request, host_id):
    """
    Create new instance.
    """
    if not request.user.is_authenticated():
        return HttpResponseRedirect(reverse('login'))

    conn = None
    errors = []
    storages = []
    networks = []
    meta_prealloc = False
    compute = Compute.objects.get(id=host_id)
    flavors = Flavor.objects.filter().order_by('id')

    try:
        conn = wvmCreate(compute.hostname,
                         compute.login,
                         compute.password,
                         compute.type)

        storages = sorted(conn.get_storages())
        networks = sorted(conn.get_networks())
        instances = conn.get_instances()
        get_images = sorted(conn.get_storages_images())
        cache_modes = sorted(conn.get_cache_modes().items())
        mac_auto = util.randomMAC()
    except libvirtError as err:
        errors.append(err)

    if conn:
        if not storages:
            msg = _("You haven't defined have any storage pools")
            errors.append(msg)
        if not networks:
            msg = _("You haven't defined have any network pools")
            errors.append(msg)

        if request.method == 'POST':
            if 'create_flavor' in request.POST:
                form = FlavorAddForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    create_flavor = Flavor(label=data['label'],
                                           vcpu=data['vcpu'],
                                           memory=data['memory'],
                                           disk=data['disk'])
                    create_flavor.save()
                    return HttpResponseRedirect(request.get_full_path())
            if 'delete_flavor' in request.POST:
                flavor_id = request.POST.get('flavor', '')
                delete_flavor = Flavor.objects.get(id=flavor_id)
                delete_flavor.delete()
                return HttpResponseRedirect(request.get_full_path())
            if 'create_xml' in request.POST:
                xml = request.POST.get('from_xml', '')
                try:
                    name = util.get_xml_path(xml, '/domain/name')
                except util.libxml2.parserError:
                    name = None
                if name in instances:
                    msg = _("A virtual machine with this name already exists")
                    errors.append(msg)
                else:
                    try:
                        conn._defineXML(xml)
                        return HttpResponseRedirect(reverse('instance', args=[host_id, name]))
                    except libvirtError as err:
                        errors.append(err.message)
            if 'create' in request.POST:
                volumes = {}
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data['meta_prealloc']:
                        meta_prealloc = True
                    if instances:
                        if data['name'] in instances:
                            msg = _("A virtual machine with this name already exists")
                            errors.append(msg)
                    if not errors:
                        if data['hdd_size']:
                            if not data['mac']:
                                msg = _("No Virtual Machine MAC has been entered")
                                errors.append(msg)
                            else:
                                try:
                                    path = conn.create_volume(data['storage'], data['name'], data['hdd_size'],
                                                              metadata=meta_prealloc)
                                    volumes[path] = conn.get_volume_type(path)
                                except libvirtError as msg_error:
                                    errors.append(msg_error.message)
                        elif data['template']:
                            templ_path = conn.get_volume_path(data['template'])
                            clone_path = conn.clone_from_template(data['name'], templ_path, metadata=meta_prealloc)
                            volumes[clone_path] = conn.get_volume_type(clone_path)
                        else:
                            if not data['images']:
                                msg = _("First you need to create or select an image")
                                errors.append(msg)
                            else:
                                for vol in data['images'].split(','):
                                    try:
                                        path = conn.get_volume_path(vol)
                                        volumes[path] = conn.get_volume_type(path)
                                    except libvirtError as msg_error:
                                        errors.append(msg_error.message)
                        if data['cache_mode'] not in conn.get_cache_modes():
                            msg = _("Invalid cache mode")
                            errors.append(msg)
                        if not errors:
                            uuid = util.randomUUID()
                            try:
                                conn.create_instance(data['name'], data['memory'], data['vcpu'], data['host_model'],
                                                     uuid, volumes, data['cache_mode'], data['networks'], data['virtio'],
                                                     data['mac'])
                                create_instance = Instance(compute_id=host_id, name=data['name'], uuid=uuid)
                                create_instance.save()
                                return HttpResponseRedirect(reverse('instance', args=[host_id, data['name']]))
                            except libvirtError as err:
                                if data['hdd_size']:
                                    conn.delete_volume(volumes.keys()[0])
                                errors.append(err)

        conn.close()

    return render_to_response('create.html', locals(), context_instance=RequestContext(request))
示例#4
0
def create(request, host_id):
    """
    Create new instance.
    """
    if not request.user.is_authenticated():
        return HttpResponseRedirect(reverse('login'))

    conn = None
    errors = []
    storages = []
    networks = []
    meta_prealloc = False
    compute = Compute.objects.get(id=host_id)
    flavors = Flavor.objects.filter().order_by('id')

    try:
        conn = wvmCreate(compute.hostname,
                         compute.login,
                         compute.password,
                         compute.type)

        storages = sorted(conn.get_storages())
        networks = sorted(conn.get_networks())
        instances = conn.get_instances()
        get_images = sorted(conn.get_storages_images())
        mac_auto = util.randomMAC()
    except libvirtError as err:
        errors.append(err)

    if conn:
        if not storages:
            msg = _("You haven't defined have any storage pools")
            errors.append(msg)
        if not networks:
            msg = _("You haven't defined have any network pools")
            errors.append(msg)

        if request.method == 'POST':
            if 'create_flavor' in request.POST:
                form = FlavorAddForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    create_flavor = Flavor(label=data['label'],
                                           vcpu=data['vcpu'],
                                           memory=data['memory'],
                                           disk=data['disk'])
                    create_flavor.save()
                    return HttpResponseRedirect(request.get_full_path())
            if 'delete_flavor' in request.POST:
                flavor_id = request.POST.get('flavor', '')
                delete_flavor = Flavor.objects.get(id=flavor_id)
                delete_flavor.delete()
                return HttpResponseRedirect(request.get_full_path())
            if 'create_xml' in request.POST:
                xml = request.POST.get('from_xml', '')
                try:
                    name = util.get_xml_path(xml, '/domain/name')
                except util.libxml2.parserError:
                    name = None
                if name in instances:
                    msg = _("A virtual machine with this name already exists")
                    errors.append(msg)
                else:
                    try:
                        conn._defineXML(xml)
                        return HttpResponseRedirect(reverse('instance', args=[host_id, name]))
                    except libvirtError as err:
                        errors.append(err.message)
            if 'create' in request.POST:
                volumes = {}
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data['meta_prealloc']:
                        meta_prealloc = True
                    if instances:
                        if data['name'] in instances:
                            msg = _("A virtual machine with this name already exists")
                            errors.append(msg)
                    if not errors:
                        if data['hdd_size']:
                            if not data['mac']:
                                msg = _("No Virtual Machine MAC has been entered")
                                errors.append(msg)
                            else:
                                try:
                                    path = conn.create_volume(data['storage'], data['name'], data['hdd_size'],
                                                              metadata=meta_prealloc)
                                    volumes[path] = conn.get_volume_type(path)
                                except libvirtError as msg_error:
                                    errors.append(msg_error.message)
                        elif data['template']:
                            templ_path = conn.get_volume_path(data['template'])
                            clone_path = conn.clone_from_template(data['name'], templ_path, metadata=meta_prealloc)
                            volumes[clone_path] = conn.get_volume_type(clone_path)
                        else:
                            if not data['images']:
                                msg = _("First you need to create or select an image")
                                errors.append(msg)
                            else:
                                for vol in data['images'].split(','):
                                    try:
                                        path = conn.get_volume_path(vol)
                                        volumes[path] = conn.get_volume_type(path)
                                    except libvirtError as msg_error:
                                        errors.append(msg_error.message)
                        if not errors:
                            uuid = util.randomUUID()
                            try:
                                conn.create_instance(data['name'], data['memory'], data['vcpu'], data['host_model'],
                                                     uuid, volumes, data['networks'], data['virtio'], data['mac'])
                                create_instance = Instance(compute_id=host_id, name=data['name'], uuid=uuid)
                                create_instance.save()
                                return HttpResponseRedirect(reverse('instance', args=[host_id, data['name']]))
                            except libvirtError as err:
                                if data['hdd_size']:
                                    conn.delete_volume(volumes.keys()[0])
                                errors.append(err)

        conn.close()

    return render_to_response('create.html', locals(), context_instance=RequestContext(request))
示例#5
0
def create_instance(request, compute_id):
    """
    :param request:
    :return:
    """

    if not request.user.is_superuser:
        return HttpResponseRedirect(reverse('index'))

    conn = None
    error_messages = []
    storages = []
    networks = []
    meta_prealloc = False
    compute = get_object_or_404(Compute, pk=compute_id)
    flavors = Flavor.objects.filter().order_by('id')

    try:
        conn = wvmCreate(compute.hostname, compute.login, compute.password,
                         compute.type)

        storages = sorted(conn.get_storages(only_actives=True))
        networks = sorted(conn.get_networks())
        nwfilters = conn.get_nwfilters()
        instances = conn.get_instances()
        videos = conn.get_video()
        cache_modes = sorted(conn.get_cache_modes().items())
        default_cache = INSTANCE_VOLUME_DEFAULT_CACHE
        listener_addr = QEMU_CONSOLE_LISTEN_ADDRESSES
        mac_auto = util.randomMAC()
        disk_devices = conn.get_disk_device_types()
        disk_buses = conn.get_disk_bus_types()
        default_bus = INSTANCE_VOLUME_DEFAULT_BUS
    except libvirtError as lib_err:
        error_messages.append(lib_err)

    if conn:
        if not storages:
            msg = _("You haven't defined any storage pools")
            error_messages.append(msg)
        if not networks:
            msg = _("You haven't defined any network pools")
            error_messages.append(msg)

        if request.method == 'POST':
            if 'create_flavor' in request.POST:
                form = FlavorAddForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    create_flavor = Flavor(label=data['label'],
                                           vcpu=data['vcpu'],
                                           memory=data['memory'],
                                           disk=data['disk'])
                    create_flavor.save()
                    return HttpResponseRedirect(request.get_full_path())
            if 'delete_flavor' in request.POST:
                flavor_id = request.POST.get('flavor', '')
                delete_flavor = Flavor.objects.get(id=flavor_id)
                delete_flavor.delete()
                return HttpResponseRedirect(request.get_full_path())
            if 'create_xml' in request.POST:
                xml = request.POST.get('dom_xml', '')
                try:
                    name = util.get_xml_path(xml, '/domain/name')
                except util.etree.Error as err:
                    name = None
                if name in instances:
                    error_msg = _(
                        "A virtual machine with this name already exists")
                    error_messages.append(error_msg)
                else:
                    try:
                        conn._defineXML(xml)
                        return HttpResponseRedirect(
                            reverse('instance', args=[compute_id, name]))
                    except libvirtError as lib_err:
                        error_messages.append(lib_err.message)
            if 'create' in request.POST:
                volume_list = []

                clone_path = ""
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data['meta_prealloc']:
                        meta_prealloc = True
                    if instances:
                        if data['name'] in instances:
                            msg = _(
                                "A virtual machine with this name already exists"
                            )
                            error_messages.append(msg)
                        if Instance.objects.filter(name__exact=data['name']):
                            messages.warning(
                                request,
                                _("There is an instance with same name. Are you sure?"
                                  ))
                    if not error_messages:
                        if data['hdd_size']:
                            if not data['mac']:
                                error_msg = _(
                                    "No Virtual Machine MAC has been entered")
                                error_messages.append(error_msg)
                            else:
                                try:
                                    path = conn.create_volume(
                                        data['storage'],
                                        data['name'],
                                        data['hdd_size'],
                                        metadata=meta_prealloc)
                                    volume = dict()
                                    volume['path'] = path
                                    volume['type'] = conn.get_volume_type(path)
                                    volume['device'] = 'disk'
                                    volume['bus'] = 'virtio'
                                    volume_list.append(volume)
                                except libvirtError as lib_err:
                                    error_messages.append(lib_err.message)
                        elif data['template']:
                            templ_path = conn.get_volume_path(data['template'])
                            dest_vol = conn.get_volume_path(
                                data["name"] + ".img", data['storage'])
                            if dest_vol:
                                error_msg = _(
                                    "Image has already exist. Please check volumes or change instance name"
                                )
                                error_messages.append(error_msg)
                            else:
                                clone_path = conn.clone_from_template(
                                    data['name'],
                                    templ_path,
                                    data['storage'],
                                    metadata=meta_prealloc)
                                volume = dict()
                                volume['path'] = clone_path
                                volume['type'] = conn.get_volume_type(
                                    clone_path)
                                volume['device'] = 'disk'
                                volume['bus'] = 'virtio'
                                volume_list.append(volume)
                        else:
                            if not data['images']:
                                error_msg = _(
                                    "First you need to create or select an image"
                                )
                                error_messages.append(error_msg)
                            else:
                                for idx, vol in enumerate(
                                        data['images'].split(',')):
                                    try:

                                        path = conn.get_volume_path(vol)
                                        volume = dict()
                                        volume['path'] = path
                                        volume['type'] = conn.get_volume_type(
                                            path)
                                        volume['device'] = request.POST.get(
                                            'device' + str(idx), '')
                                        volume['bus'] = request.POST.get(
                                            'bus' + str(idx), '')
                                        volume_list.append(volume)
                                    except libvirtError as lib_err:
                                        error_messages.append(lib_err.message)
                        if data['cache_mode'] not in conn.get_cache_modes():
                            error_msg = _("Invalid cache mode")
                            error_messages.append(error_msg)
                        if not error_messages:
                            uuid = util.randomUUID()
                            try:
                                conn.create_instance(
                                    data['name'], data['memory'], data['vcpu'],
                                    data['host_model'], uuid, volume_list,
                                    data['cache_mode'], data['networks'],
                                    data['virtio'], data["listener_addr"],
                                    data["nwfilter"], data["video"],
                                    data["console_pass"], data['mac'],
                                    data['qemu_ga'])
                                create_instance = Instance(
                                    compute_id=compute_id,
                                    name=data['name'],
                                    uuid=uuid)
                                create_instance.save()
                                msg = _("Instance is created.")
                                messages.success(request, msg)
                                addlogmsg(request.user.username,
                                          create_instance.name, msg)
                                return HttpResponseRedirect(
                                    reverse('instance',
                                            args=[compute_id, data['name']]))
                            except libvirtError as lib_err:
                                if data['hdd_size'] or volume_list.count() > 0:
                                    for vol in volume_list:
                                        conn.delete_volume(vol['path'])
                                error_messages.append(lib_err)
        conn.close()
    return render(request, 'create_instance.html', locals())
示例#6
0
def createlxc(request, host_id):
    """
    Create new lxc container instance.
    """

    if not request.user.is_authenticated():
        return HttpResponseRedirect(reverse('login'))

    if not request.user.is_staff:
        raise PermissionDenied

    conn = None
    errors = []
    storages = []
    networks = []
    compute = Compute.objects.get(id=host_id)
    instances = None
    wmstorage =None
    templatedb = {}
    templatelist = []
    with open('/var/www/webvirtmgr/ansiblefunc/playbook/template','r') as template:
        lines = template.readlines()
        for line in lines:
            templatedb[line.split(',')[0]] = line.split(',')[1].strip()
            templatelist.append(line.split(',')[0])
    try:
        conn = wvmCreate(compute.hostname,
                         compute.login,
                         compute.password,
                         compute.type,
                         compute.hypervisor)

        storages = sorted(conn.get_storages())
        networks = sorted(conn.get_networks())
        instances = conn.get_instances()
        get_images = sorted(conn.get_storages_images())
        get_containtype = sorted(['operation system','application'])
        mac_auto = util.randomMAC()
    except libvirtError as err:
        errors.append(err)
    if conn:
        if not storages:
            msg = _("You haven't defined have any storage pools")
            errors.append(msg)
        if not networks:
            msg = _("You haven't defined have any network pools")
            errors.append(msg)
        if request.method == 'POST':
            if 'create' in request.POST:
                volumes = {}
                pathtuple=[]
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data['meta_prealloc']:
                        meta_prealloc = True
                    if data['name'] in instances:
                        msg = _("A virtual machine with this name already exists")
                        errors.append(msg)
                    if not data['images']:
                        msg = _("First you need to create or select an image")
                        errors.append(msg)
                    if not errors:
                        for vol in data['images'].split(','):
                            try:
                                path = conn.get_volume_path(vol)
                                volumes[path] = conn.get_volume_type(path)
                                pathtuple.append(path)
                            except libvirtError as msg_error:
                                errors.append(msg_error.message)
                        if not errors:
                            uuid = util.randomUUID()
                            try:
                                root = data['images'].split(',')[0]
                                print root
                                rootimage = conn.get_volume_path(root)
                                ostype={'os':'/sbin/init','app':'/bin/sh'}
                                if not data['template']:
                                    lxcdeployjob = ansiblefunc.ans_func.AnsDeployJob(vmname=data['name'],memory=data['memory'],rootimage=rootimage,supervisorip=
                                                                      conn.host,network=data['networks'].split(','),inittype=ostype[form.data['containtype']],
                                                                      rootpass=form.data['rootpass'],cpu=form.data['vcpu'],installedpackage=form.data['packages'],
                                                                      images=pathtuple[1:])
                                else:
                                    lxcdeployjob = ansiblefunc.ans_func.AnsDeployJob(vmname=data['name'],
                                                                                     memory=data['memory'],
                                                                                     rootimage=rootimage, supervisorip=
                                                                                     conn.host,
                                                                                     network=data['networks'].split(
                                                                                         ','),
                                                                                     rootpass=form.data['rootpass'],
                                                                                     cpu=form.data['vcpu'],
                                                                                     images=[],
                                                                                     templatename=data['template'])
                                lxcdeployjob.deploy()
                                time.sleep(2)
                                return HttpResponseRedirect(reverse('instances', args=[host_id]))
                            except libvirtError as err:
                                if data['hdd_size']:
                                    conn.delete_volume(volumes.keys()[0])
                                errors.append(err)

    conn.close()
    return render_to_response('createlxc.html', locals(), context_instance=RequestContext(request))
示例#7
0
def create_instance(request, compute_id):
    """
    :param request:
    :return:
    """

    if not request.user.is_authenticated():
        return HttpResponseRedirect(reverse("index"))

    if not request.user.is_superuser:
        return HttpResponseRedirect(reverse("index"))

    conn = None
    error_messages = []
    storages = []
    networks = []
    meta_prealloc = False
    computes = Compute.objects.all()
    compute = get_object_or_404(Compute, pk=compute_id)
    flavors = Flavor.objects.filter().order_by("id")

    try:
        conn = wvmCreate(compute.hostname, compute.login, compute.password, compute.type)

        storages = sorted(conn.get_storages())
        networks = sorted(conn.get_networks())
        instances = conn.get_instances()
        get_images = sorted(conn.get_storages_images())
        cache_modes = sorted(conn.get_cache_modes().items())
        mac_auto = util.randomMAC()
    except libvirtError as lib_err:
        error_messages.append(lib_err)

    if conn:
        if not storages:
            msg = _("You haven't defined any storage pools")
            error_messages.append(msg)
        if not networks:
            msg = _("You haven't defined any network pools")
            error_messages.append(msg)

        if request.method == "POST":
            if "create_flavor" in request.POST:
                form = FlavorAddForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    create_flavor = Flavor(
                        label=data["label"], vcpu=data["vcpu"], memory=data["memory"], disk=data["disk"]
                    )
                    create_flavor.save()
                    return HttpResponseRedirect(request.get_full_path())
            if "delete_flavor" in request.POST:
                flavor_id = request.POST.get("flavor", "")
                delete_flavor = Flavor.objects.get(id=flavor_id)
                delete_flavor.delete()
                return HttpResponseRedirect(request.get_full_path())
            if "create_xml" in request.POST:
                xml = request.POST.get("from_xml", "")
                try:
                    name = util.get_xml_path(xml, "/domain/name")
                except util.libxml2.parserError:
                    name = None
                if name in instances:
                    error_msg = _("A virtual machine with this name already exists")
                    error_messages.append(error_msg)
                else:
                    try:
                        conn._defineXML(xml)
                        return HttpResponseRedirect(reverse("instance", args=[compute_id, name]))
                    except libvirtError as lib_err:
                        error_messages.append(lib_err.message)
            if "create" in request.POST:
                volumes = {}
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data["meta_prealloc"]:
                        meta_prealloc = True
                    if instances:
                        if data["name"] in instances:
                            msg = _("A virtual machine with this name already exists")
                            error_messages.append(msg)
                    if not error_messages:
                        if data["hdd_size"]:
                            if not data["mac"]:
                                error_msg = _("No Virtual Machine MAC has been entered")
                                error_messages.append(error_msg)
                            else:
                                try:
                                    path = conn.create_volume(
                                        data["storage"], data["name"], data["hdd_size"], metadata=meta_prealloc
                                    )
                                    volumes[path] = conn.get_volume_type(path)
                                except libvirtError as lib_err:
                                    error_messages.append(lib_err.message)
                        elif data["template"]:
                            templ_path = conn.get_volume_path(data["template"])
                            clone_path = conn.clone_from_template(data["name"], templ_path, metadata=meta_prealloc)
                            volumes[clone_path] = conn.get_volume_type(clone_path)
                        else:
                            if not data["images"]:
                                error_msg = _("First you need to create or select an image")
                                error_messages.append(error_msg)
                            else:
                                for vol in data["images"].split(","):
                                    try:
                                        path = conn.get_volume_path(vol)
                                        volumes[path] = conn.get_volume_type(path)
                                    except libvirtError as lib_err:
                                        error_messages.append(lib_err.message)
                        if data["cache_mode"] not in conn.get_cache_modes():
                            error_msg = _("Invalid cache mode")
                            error_messages.append(error_msg)
                        if not error_messages:
                            uuid = util.randomUUID()
                            try:
                                conn.create_instance(
                                    data["name"],
                                    data["memory"],
                                    data["vcpu"],
                                    data["host_model"],
                                    uuid,
                                    volumes,
                                    data["cache_mode"],
                                    data["networks"],
                                    data["virtio"],
                                    data["mac"],
                                )
                                create_instance = Instance(compute_id=compute_id, name=data["name"], uuid=uuid)
                                create_instance.save()
                                return HttpResponseRedirect(reverse("instance", args=[compute_id, data["name"]]))
                            except libvirtError as lib_err:
                                if data["hdd_size"]:
                                    conn.delete_volume(volumes.keys()[0])
                                error_messages.append(lib_err)
        conn.close()

    return render(request, "create_instance.html", locals())
示例#8
0
def create_instance(request, compute_id, arch, machine):
    """
    :param request:
    :param compute_id:
    :param arch:
    :param machine:
    :return:
    """
    if not request.user.is_superuser:
        return HttpResponseRedirect(reverse('index'))

    conn = None
    error_messages = list()
    storages = list()
    networks = list()
    hypervisors = list()
    firmwares = list()
    meta_prealloc = False
    compute = get_object_or_404(Compute, pk=compute_id)
    flavors = Flavor.objects.filter().order_by('id')

    try:
        conn = wvmCreate(compute.hostname, compute.login, compute.password,
                         compute.type)

        default_firmware = INSTANCE_FIRMWARE_DEFAULT_TYPE
        default_cpu_mode = INSTANCE_CPU_DEFAULT_MODE
        instances = conn.get_instances()
        videos = conn.get_video_models(arch, machine)
        cache_modes = sorted(conn.get_cache_modes().items())
        default_cache = INSTANCE_VOLUME_DEFAULT_CACHE.lower()
        default_io = INSTANCE_VOLUME_DEFAULT_IO.lower()
        default_zeroes = INSTANCE_VOLUME_DEFAULT_DETECT_ZEROES.lower()
        default_discard = INSTANCE_VOLUME_DEFAULT_DISCARD.lower()
        listener_addr = QEMU_CONSOLE_LISTEN_ADDRESSES
        mac_auto = util.randomMAC()
        disk_devices = conn.get_disk_device_types(arch, machine)
        disk_buses = conn.get_disk_bus_types(arch, machine)
        default_bus = INSTANCE_VOLUME_DEFAULT_BUS
        networks = sorted(conn.get_networks())
        nwfilters = conn.get_nwfilters()
        storages = sorted(conn.get_storages(only_actives=True))
        default_graphics = QEMU_CONSOLE_DEFAULT_TYPE

        dom_caps = conn.get_dom_capabilities(arch, machine)
        caps = conn.get_capabilities(arch)

        virtio_support = conn.is_supports_virtio(arch, machine)
        hv_supports_uefi = conn.supports_uefi_xml(dom_caps["loader_enums"])
        # Add BIOS
        label = conn.label_for_firmware_path(arch, None)
        if label: firmwares.append(label)
        # Add UEFI
        loader_path = conn.find_uefi_path_for_arch(arch, dom_caps["loaders"])
        label = conn.label_for_firmware_path(arch, loader_path)
        if label: firmwares.append(label)
        firmwares = list(set(firmwares))

    except libvirtError as lib_err:
        error_messages.append(lib_err)

    if conn:
        if not storages:
            msg = _("You haven't defined any storage pools")
            error_messages.append(msg)
        if not networks:
            msg = _("You haven't defined any network pools")
            error_messages.append(msg)

        if request.method == 'POST':
            if 'create_flavor' in request.POST:
                form = FlavorAddForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    create_flavor = Flavor(label=data['label'],
                                           vcpu=data['vcpu'],
                                           memory=data['memory'],
                                           disk=data['disk'])
                    create_flavor.save()
                    return HttpResponseRedirect(request.get_full_path())
            if 'delete_flavor' in request.POST:
                flavor_id = request.POST.get('flavor', '')
                delete_flavor = Flavor.objects.get(id=flavor_id)
                delete_flavor.delete()
                return HttpResponseRedirect(request.get_full_path())
            if 'create' in request.POST:
                firmware = dict()
                volume_list = list()
                is_disk_created = False
                clone_path = ""
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data['meta_prealloc']:
                        meta_prealloc = True
                    if instances:
                        if data['name'] in instances:
                            msg = _(
                                "A virtual machine with this name already exists"
                            )
                            error_messages.append(msg)
                        if Instance.objects.filter(name__exact=data['name']):
                            messages.warning(
                                request,
                                _("There is an instance with same name. Are you sure?"
                                  ))
                    if not error_messages:
                        if data['hdd_size']:
                            if not data['mac']:
                                error_msg = _(
                                    "No Virtual Machine MAC has been entered")
                                error_messages.append(error_msg)
                            else:
                                try:
                                    path = conn.create_volume(
                                        data['storage'],
                                        data['name'],
                                        data['hdd_size'],
                                        metadata=meta_prealloc)
                                    volume = dict()
                                    volume['path'] = path
                                    volume['type'] = conn.get_volume_type(path)
                                    volume['device'] = 'disk'
                                    if data['virtio']:
                                        volume[
                                            'bus'] = INSTANCE_VOLUME_DEFAULT_BUS
                                    volume_list.append(volume)
                                    is_disk_created = True
                                except libvirtError as lib_err:
                                    error_messages.append(lib_err)
                        elif data['template']:
                            templ_path = conn.get_volume_path(data['template'])
                            dest_vol = conn.get_volume_path(
                                data["name"] + ".img", data['storage'])
                            if dest_vol:
                                error_msg = _(
                                    "Image has already exist. Please check volumes or change instance name"
                                )
                                error_messages.append(error_msg)
                            else:
                                clone_path = conn.clone_from_template(
                                    data['name'],
                                    templ_path,
                                    data['storage'],
                                    metadata=meta_prealloc)
                                volume = dict()
                                volume['path'] = clone_path
                                volume['type'] = conn.get_volume_type(
                                    clone_path)
                                volume['device'] = 'disk'
                                if data['virtio']:
                                    volume['bus'] = INSTANCE_VOLUME_DEFAULT_BUS
                                volume_list.append(volume)
                                is_disk_created = True
                        else:
                            if not data['images']:
                                error_msg = _(
                                    "First you need to create or select an image"
                                )
                                error_messages.append(error_msg)
                            else:
                                for idx, vol in enumerate(
                                        data['images'].split(',')):
                                    try:
                                        path = conn.get_volume_path(vol)
                                        volume = dict()
                                        volume['path'] = path
                                        volume['type'] = conn.get_volume_type(
                                            path)
                                        volume['device'] = request.POST.get(
                                            'device' + str(idx), '')
                                        volume['bus'] = request.POST.get(
                                            'bus' + str(idx), '')
                                        volume_list.append(volume)
                                    except libvirtError as lib_err:
                                        error_messages.append(lib_err)
                        if data['cache_mode'] not in conn.get_cache_modes():
                            error_msg = _("Invalid cache mode")
                            error_messages.append(error_msg)

                        if 'UEFI' in data["firmware"]:
                            firmware["loader"] = data["firmware"].split(
                                ":")[1].strip()
                            firmware["secure"] = 'no'
                            firmware["readonly"] = 'yes'
                            firmware["type"] = 'pflash'
                            if 'secboot' in firmware[
                                    "loader"] and machine != 'q35':
                                messages.warning(
                                    request,
                                    "Changing machine type from '%s' to 'q35' "
                                    "which is required for UEFI secure boot." %
                                    machine)
                                machine = 'q35'
                                firmware["secure"] = 'yes'

                        if not error_messages:
                            uuid = util.randomUUID()
                            try:
                                conn.create_instance(
                                    name=data['name'],
                                    memory=data['memory'],
                                    vcpu=data['vcpu'],
                                    vcpu_mode=data['vcpu_mode'],
                                    uuid=uuid,
                                    arch=arch,
                                    machine=machine,
                                    firmware=firmware,
                                    images=volume_list,
                                    cache_mode=data['cache_mode'],
                                    io_mode=default_io,
                                    discard_mode=default_discard,
                                    detect_zeroes_mode=default_zeroes,
                                    networks=data['networks'],
                                    virtio=data['virtio'],
                                    listen_addr=data["listener_addr"],
                                    nwfilter=data["nwfilter"],
                                    graphics=data["graphics"],
                                    video=data["video"],
                                    console_pass=data["console_pass"],
                                    mac=data['mac'],
                                    qemu_ga=data['qemu_ga'])
                                create_instance = Instance(
                                    compute_id=compute_id,
                                    name=data['name'],
                                    uuid=uuid)
                                create_instance.save()
                                msg = _("Instance is created.")
                                messages.success(request, msg)
                                addlogmsg(request.user.username,
                                          create_instance.name, msg)
                                return HttpResponseRedirect(
                                    reverse('instance',
                                            args=[compute_id, data['name']]))
                            except libvirtError as lib_err:
                                if data['hdd_size'] or len(volume_list) > 0:
                                    if is_disk_created:
                                        for vol in volume_list:
                                            conn.delete_volume(vol['path'])
                                error_messages.append(lib_err)
        conn.close()
    return render(request, 'create_instance_w2.html', locals())
示例#9
0
    def create_instance(self, name, memory, vcpu, uuid, images, networks, host_model=False, virtio=True, template_ver3=True):
        """
        Create VM function
        """
        memory = int(memory) * 1024

        if self.is_kvm_supported():
            hypervisor_type = 'kvm'
        else:
            hypervisor_type = 'qemu'

        vm_template = "ver4"
        if template_ver3:
            vm_template = "ver3"

        xml = u"""
                <domain type='%s'>
                  <name>%s</name>
                  <description>%s</description>
                  <uuid>%s</uuid>
                  <memory unit='KiB'>%s</memory>
                  <vcpu>%s</vcpu>""" % (hypervisor_type, name, vm_template, uuid, memory, vcpu)
        if host_model:
            xml += """<cpu mode='host-model'/>"""
        xml +=u"""<os>
                    <type arch='%s'>%s</type>
                    <boot dev='hd'/>
                    <boot dev='cdrom'/>
                    <bootmenu enable='yes'/>
                  </os>""" % (self.get_host_arch(), self.get_os_type())
        xml += u"""<features>
                    <acpi/><apic/><pae/>
                  </features>
                  <clock offset="utc"/>
                  <on_poweroff>destroy</on_poweroff>
                  <on_reboot>restart</on_reboot>
                  <on_crash>restart</on_crash>
                  <devices>"""

        disk_letters = list(string.lowercase)
        for image, img_type in images.items():
            stg = self.get_storage_by_vol_path(image)
            stg_type = util.get_xml_path(stg.XMLDesc(0), "/pool/@type")

            if stg_type == 'rbd':
                ceph_user, secrt_uuid, ceph_host = get_rbd_storage_data(stg)
                xml += u"""<disk type='network' device='disk'>
                            <driver name='qemu' type='%s'/>
                            <auth username='******'>
                                <secret type='ceph' uuid='%s'/>
                            </auth>
                            <source protocol='rbd' name='%s'>
                                <host name='%s' port='6789'/>
                            </source>""" % (img_type, ceph_user, secrt_uuid, image, ceph_host)
            else:
                xml += u"""<disk type='file' device='disk'>
                            <driver name='qemu' type='%s'/>
                            <source file='%s'/>""" % (img_type, image)

            if virtio:
                xml += u"""<target dev='vd%s' bus='virtio'/>""" % (disk_letters.pop(0),)
            else:
                xml += u"""<target dev='sd%s' bus='ide'/>""" % (disk_letters.pop(0),)
            xml += u"""</disk>"""

        xml += u"""  <disk type='file' device='cdrom'>
                      <driver name='qemu' type='raw'/>
                      <source file=''/>
                      <target dev='hda' bus='ide'/>
                      <readonly/>
                      <address type='drive' controller='0' bus='1' target='0' unit='1'/>
                    </disk>"""

        xml += u"""  <interface type='bridge'>
                      <mac address='%s'/>
                      <source bridge='br0'/>
                      <model type='e1000'/>
                      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
                    </interface>""" % util.randomMAC()
                      
        hd_resources = util.load_hd_resources()

        slot_index = 6
        for net in networks:
            slot_index = slot_index + 1
            xml += u"""<hostdev mode='subsystem' type='pci' managed='yes'><source>"""
            bus = net.split(":")[0]
            slot = net.split(":")[1].split(".")[0]
            func = net.split(":")[1].split(".")[1]
            hd_resources[net]['used'] = 1 
            xml += u"""<address domain='0x0000' bus='0x%s' slot='0x%s' function='0x%s'/></source>""" % (bus, slot, func)
            xml += u"""<address type='pci' domain='0x0000' bus='0x00' slot='0x%02x' function='0x0'/>""" % slot_index
            xml += u"""</hostdev>"""

        hd_resources["mem"] = int(hd_resources["mem"]) - memory / (1024*1024)
        hd_resources["vcpu"] = int(hd_resources["vcpu"]) - vcpu
        util.save_hd_resources(hd_resources)

        xml += u"""  <input type='mouse' bus='ps2'/>
                    <input type='tablet' bus='usb'/>
                    <graphics type='%s' port='-1' autoport='yes' listen='0.0.0.0'>
                      <listen type='address' address='0.0.0.0'/>
                    </graphics>
                    <console type='pty'/>
                    <video>
                      <model type='cirrus'/>
                    </video>
                    <memballoon model='virtio'/>
                  </devices>
                </domain>""" % QEMU_CONSOLE_DEFAULT_TYPE
        self._defineXML(xml)
示例#10
0
def create_instance(request, compute_id):
    """
    :param request:
    :return:
    """

    if not request.user.is_superuser:
        return HttpResponseRedirect(reverse('index'))

    conn = None
    error_messages = []
    storages = []
    networks = []
    meta_prealloc = False
    compute = get_object_or_404(Compute, pk=compute_id)
    flavors = Flavor.objects.filter().order_by('id')

    try:
        conn = wvmCreate(compute.hostname,
                         compute.login,
                         compute.password,
                         compute.type)

        storages = sorted(conn.get_storages(only_actives=True))
        networks = sorted(conn.get_networks())
        nwfilters = conn.get_nwfilters()
        instances = conn.get_instances()
        videos = conn.get_video()
        cache_modes = sorted(conn.get_cache_modes().items())
        default_cache = INSTANCE_VOLUME_DEFAULT_CACHE
        listener_addr = QEMU_CONSOLE_LISTEN_ADDRESSES
        mac_auto = util.randomMAC()
        disk_devices = conn.get_disk_device_types()
        disk_buses = conn.get_disk_bus_types()
        default_bus = INSTANCE_VOLUME_DEFAULT_BUS
    except libvirtError as lib_err:
        error_messages.append(lib_err)

    if conn:
        if not storages:
            msg = _("You haven't defined any storage pools")
            error_messages.append(msg)
        if not networks:
            msg = _("You haven't defined any network pools")
            error_messages.append(msg)

        if request.method == 'POST':
            if 'create_flavor' in request.POST:
                form = FlavorAddForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    create_flavor = Flavor(label=data['label'],
                                           vcpu=data['vcpu'],
                                           memory=data['memory'],
                                           disk=data['disk'])
                    create_flavor.save()
                    return HttpResponseRedirect(request.get_full_path())
            if 'delete_flavor' in request.POST:
                flavor_id = request.POST.get('flavor', '')
                delete_flavor = Flavor.objects.get(id=flavor_id)
                delete_flavor.delete()
                return HttpResponseRedirect(request.get_full_path())
            if 'create_xml' in request.POST:
                xml = request.POST.get('dom_xml', '')
                try:
                    name = util.get_xml_path(xml, '/domain/name')
                except util.etree.Error as err:
                    name = None
                if name in instances:
                    error_msg = _("A virtual machine with this name already exists")
                    error_messages.append(error_msg)
                else:
                    try:
                        conn._defineXML(xml)
                        return HttpResponseRedirect(reverse('instance', args=[compute_id, name]))
                    except libvirtError as lib_err:
                        error_messages.append(lib_err.message)
            if 'create' in request.POST:
                volume_list = []

                clone_path = ""
                form = NewVMForm(request.POST)
                if form.is_valid():
                    data = form.cleaned_data
                    if data['meta_prealloc']:
                        meta_prealloc = True
                    if instances:
                        if data['name'] in instances:
                            msg = _("A virtual machine with this name already exists")
                            error_messages.append(msg)
                        if Instance.objects.filter(name__exact=data['name']):
                            messages.warning(request,_("There is an instance with same name. Are you sure?"))
                    if not error_messages:
                        if data['hdd_size']:
                            if not data['mac']:
                                error_msg = _("No Virtual Machine MAC has been entered")
                                error_messages.append(error_msg)
                            else:
                                try:
                                    path = conn.create_volume(data['storage'], data['name'], data['hdd_size'],
                                                              metadata=meta_prealloc)
                                    volume = dict()
                                    volume['path'] = path
                                    volume['type'] = conn.get_volume_type(path)
                                    volume['device'] = 'disk'
                                    volume['bus'] = 'virtio'
                                    volume_list.append(volume)
                                except libvirtError as lib_err:
                                    error_messages.append(lib_err.message)
                        elif data['template']:
                            templ_path = conn.get_volume_path(data['template'])
                            dest_vol = conn.get_volume_path(data["name"] + ".img", data['storage'])
                            if dest_vol:
                                error_msg = _("Image has already exist. Please check volumes or change instance name")
                                error_messages.append(error_msg)
                            else:
                                clone_path = conn.clone_from_template(data['name'], templ_path, data['storage'], metadata=meta_prealloc)
                                volume = dict()
                                volume['path'] = clone_path
                                volume['type'] = conn.get_volume_type(clone_path)
                                volume['device'] = 'disk'
                                volume['bus'] = 'virtio'
                                volume_list.append(volume)
                        else:
                            if not data['images']:
                                error_msg = _("First you need to create or select an image")
                                error_messages.append(error_msg)
                            else:
                                for idx, vol in enumerate(data['images'].split(',')):
                                    try:

                                        path = conn.get_volume_path(vol)
                                        volume = dict()
                                        volume['path'] = path
                                        volume['type'] = conn.get_volume_type(path)
                                        volume['device'] = request.POST.get('device' + str(idx), '')
                                        volume['bus'] = request.POST.get('bus' + str(idx), '')
                                        volume_list.append(volume)
                                    except libvirtError as lib_err:
                                        error_messages.append(lib_err.message)
                        if data['cache_mode'] not in conn.get_cache_modes():
                            error_msg = _("Invalid cache mode")
                            error_messages.append(error_msg)
                        if not error_messages:
                            uuid = util.randomUUID()
                            try:
                                conn.create_instance(data['name'], data['memory'], data['vcpu'], data['host_model'],
                                                     uuid, volume_list, data['cache_mode'], data['networks'], data['virtio'],
                                                     data["listener_addr"], data["nwfilter"], data["video"], data["console_pass"],
                                                     data['mac'], data['qemu_ga'])
                                create_instance = Instance(compute_id=compute_id, name=data['name'], uuid=uuid)
                                create_instance.save()
                                msg = _("Instance is created.")
                                messages.success(request, msg)
                                addlogmsg(request.user.username, create_instance.name, msg)
                                return HttpResponseRedirect(reverse('instance', args=[compute_id, data['name']]))
                            except libvirtError as lib_err:
                                if data['hdd_size'] or volume_list.count() > 0:
                                    for vol in volume_list:
                                        conn.delete_volume(vol['path'])
                                error_messages.append(lib_err)
        conn.close()
    return render(request, 'create_instance.html', locals())