Exemplo n.º 1
0
def start_install(name=None,
                  ram=None,
                  disks=None,
                  mac=None,
                  uuid=None,
                  extra=None,
                  vcpus=None,
                  profile_data=None,
                  arch=None,
                  no_gfx=False,
                  fullvirt=True,
                  bridge=None,
                  virt_type=None,
                  virt_auto_boot=False,
                  qemu_driver_type=None):

    if "file" in profile_data:
        raise app.InfoException("vmware does not work with --image yet")

    mac = None
    if "interfaces" not in profile_data:
        print("- vmware installation requires a system, not a profile")
        return 1
    for iname in profile_data["interfaces"]:
        intf = profile_data["interfaces"][iname]
        mac = intf["mac_address"]
    if mac is None:
        print("- no MAC information available in this record, cannot install")
        return 1

    print("DEBUG: name=%s" % name)
    print("DEBUG: ram=%s" % ram)
    print("DEBUG: mac=%s" % mac)
    print("DEBUG: disks=%s" % disks)
    # starts vmware using PXE.  disk/mem info come from Cobbler
    # rest of the data comes from PXE which is also intended
    # to be managed by Cobbler.

    if not os.path.exists(IMAGE_DIR):
        os.makedirs(IMAGE_DIR)
    if not os.path.exists(VMX_DIR):
        os.makedirs(VMX_DIR)

    if len(disks) != 1:
        raise VirtCreateException(
            "vmware support is limited to 1 virtual disk")

    diskname = disks[0][0]
    disksize = disks[0][1]

    image = "%s/%s" % (IMAGE_DIR, name)
    print("- saving virt disk image as %s" % image)
    make_disk(disksize, image)
    vmx = "%s/%s" % (VMX_DIR, name)
    print("- saving vmx file as %s" % vmx)
    make_vmx(vmx, image, name, mac, ram)
    register_vmx(vmx)
    start_vm(vmx)
Exemplo n.º 2
0
def _sanitize_disks(disks):
    ret = []
    for d in disks:
        driver_type = None
        if len(d) > 2:
            driver_type = d[2]

        if d[1] != 0 or d[0].startswith("/dev"):
            ret.append((d[0], d[1], driver_type))
        else:
            raise app.InfoException(
                "this virtualization type does not work without a disk image, set virt-size in Cobbler to non-zero"
            )

    return ret
Exemplo n.º 3
0
def _sanitize_nics(nics, bridge, profile_bridge, network_count):
    ret = []

    if network_count is not None and not nics:
        # Fill in some stub nics so we can take advantage of the loop logic
        nics = {}
        for i in range(int(network_count)):
            nics["foo%s" % i] = {
                "interface_type": "na",
                "mac_address": None,
                "virt_bridge": None,
            }

    if not nics:
        return ret

    interfaces = sorted(nics)
    counter = -1
    vlanpattern = re.compile("[a-zA-Z0-9]+\.[0-9]+")

    for iname in interfaces:
        counter = counter + 1
        intf = nics[iname]

        if (intf["bonding"] == "master" or vlanpattern.match(iname)
                or iname.find(":") != -1):
            continue

        mac = intf["mac_address"]

        if not bridge:
            intf_bridge = intf["virt_bridge"]
            if intf_bridge == "":
                if profile_bridge == "":
                    raise app.InfoException(
                        "virt-bridge setting is not defined in cobbler")
                intf_bridge = profile_bridge

        else:
            if bridge.find(",") == -1:
                intf_bridge = bridge
            else:
                bridges = bridge.split(",")
                intf_bridge = bridges[counter]

        ret.append((intf_bridge, mac))

    return ret
Exemplo n.º 4
0
def start_install(*args, **kwargs):
    if 'arch' in kwargs.keys():
        kwargs['arch'] = None  # use host arch for kvm acceleration

    # Use kvm acceleration if available
    try:
        import libvirt
    except:
        raise app.InfoException(
            "package libvirt is required for installing virtual guests")
    conn = libvirt.openReadOnly(None)
    # See http://libvirt.org/formatcaps.html
    capabilities = parseString(conn.getCapabilities())
    for domain in capabilities.getElementsByTagName("domain"):
        attributes = dict(domain.attributes.items())
        if 'type' in attributes.keys() and attributes['type'] == 'kvm':
            kwargs['virt_type'] = 'kvm'
            break

    virtinstall.create_image_file(*args, **kwargs)
    cmd = virtinstall.build_commandline("qemu:///system", *args, **kwargs)
    subprocess_call(cmd)
Exemplo n.º 5
0
def build_commandline(uri,
                      name=None,
                      ram=None,
                      disks=None,
                      uuid=None,
                      extra=None,
                      vcpus=None,
                      profile_data=None,
                      arch=None,
                      no_gfx=False,
                      fullvirt=False,
                      bridge=None,
                      virt_type=None,
                      virt_auto_boot=False,
                      virt_pxe_boot=False,
                      qemu_driver_type=None,
                      qemu_net_type=None,
                      qemu_machine_type=None,
                      cpu=None,
                      wait=0,
                      noreboot=False,
                      osimport=False):

    # Set flags for CLI arguments based on the virtinst_version
    # tuple above. Older versions of python-virtinst don't have
    # a version easily accessible, so it will be None and we can
    # easily disable features based on that (RHEL5 and older usually)

    disable_autostart = False
    disable_virt_type = False
    disable_boot_opt = False
    disable_driver_type = False
    disable_net_model = False
    disable_machine_type = False
    oldstyle_macs = False
    oldstyle_accelerate = False

    if not virtinst_version:
        print(
            "- warning: old virt-install detected, a lot of features will be disabled"
        )
        disable_autostart = True
        disable_boot_opt = True
        disable_virt_type = True
        disable_driver_type = True
        disable_net_model = True
        disable_machine_type = True
        oldstyle_macs = True
        oldstyle_accelerate = True

    import_exists = False  # avoid duplicating --import parameter
    disable_extra = False  # disable --extra-args on --import
    if osimport:
        disable_extra = True

    is_import = uri.startswith("import")
    if is_import:
        # We use the special value 'import' for imagecreate.py. Since
        # it is connection agnostic, just let virt-install choose the
        # best hypervisor.
        uri = ""
        fullvirt = None

    is_xen = uri.startswith("xen")
    is_qemu = uri.startswith("qemu")
    if is_qemu:
        if virt_type != "kvm":
            fullvirt = True
        else:
            fullvirt = None

    floppy = None
    cdrom = None
    location = None
    importpath = None

    if is_import:
        importpath = profile_data.get("file")
        if not importpath:
            raise app.InfoException("Profile 'file' required for image "
                                    "install")

    elif "file" in profile_data:
        if is_xen:
            raise app.InfoException("Xen does not work with --image yet")

        # this is an image based installation
        input_path = profile_data["file"]
        print("- using image location %s" % input_path)
        if input_path.find(":") == -1:
            # this is not an NFS path
            cdrom = input_path
        else:
            (tempdir, filename) = nfsmount(input_path)
            cdrom = os.path.join(tempdir, filename)

        kickstart = profile_data.get("kickstart", "")
        if kickstart != "":
            # we have a (windows?) answer file we have to provide
            # to the ISO.
            print("I want to make a floppy for %s" % kickstart)
            floppy = make_floppy(kickstart)
    elif is_qemu or is_xen:
        # images don't need to source this
        if "install_tree" not in profile_data:
            raise app.InfoException(
                "Cannot find install source in kickstart file, aborting.")

        if not profile_data["install_tree"].endswith("/"):
            profile_data["install_tree"] = profile_data["install_tree"] + "/"

        location = profile_data["install_tree"]

    disks = _sanitize_disks(disks)
    nics = _sanitize_nics(profile_data.get("interfaces"), bridge,
                          profile_data.get("virt_bridge"),
                          profile_data.get("network_count"))
    if not nics:
        # for --profile you get one NIC, go define a system if you want more.
        # FIXME: can mac still be sent on command line in this case?

        if bridge is None:
            bridge = profile_data["virt_bridge"]

        if bridge == "":
            raise app.InfoException(
                "virt-bridge setting is not defined in cobbler")
        nics = [(bridge, None)]

    kernel = profile_data.get("kernel_local")
    initrd = profile_data.get("initrd_local")
    breed = profile_data.get("breed")
    os_version = profile_data.get("os_version")
    if os_version and breed == "ubuntu":
        os_version = "ubuntu%s" % os_version
    if os_version and breed == "debian":
        os_version = "debian%s" % os_version

    net_model = None
    disk_bus = None
    machine_type = None

    if is_qemu:
        net_model = qemu_net_type
        disk_bus = qemu_driver_type
        machine_type = qemu_machine_type

    if machine_type is None:
        machine_type = "pc"

    cmd = "virt-install "
    if uri:
        cmd += "--connect %s " % uri

    cmd += "--name %s " % name
    cmd += "--ram %s " % ram
    cmd += "--vcpus %s " % vcpus

    if uuid:
        cmd += "--uuid %s " % uuid

    if virt_auto_boot and not disable_autostart:
        cmd += "--autostart "

    if no_gfx:
        cmd += "--nographics "
    else:
        cmd += "--vnc "

    if is_qemu and virt_type:
        if not disable_virt_type:
            cmd += "--virt-type %s " % virt_type

    if is_qemu and machine_type and not disable_machine_type:
        cmd += "--machine %s " % machine_type

    if fullvirt or is_qemu or is_import:
        if fullvirt is not None:
            cmd += "--hvm "
        elif oldstyle_accelerate:
            cmd += "--accelerate "

        if is_qemu and extra and not (virt_pxe_boot) and not (disable_extra):
            cmd += ("--extra-args=\"%s\" " % (extra))

        if virt_pxe_boot or is_xen:
            cmd += "--pxe "
        elif cdrom:
            cmd += "--cdrom %s " % cdrom
        elif location:
            cmd += "--location %s " % location
        elif importpath:
            cmd += "--import "
            import_exists = True

        if arch:
            cmd += "--arch %s " % arch
    else:
        cmd += "--paravirt "
        if not disable_boot_opt:
            cmd += ("--boot kernel=%s,initrd=%s,kernel_args=\"%s\" " %
                    (kernel, initrd, extra))
        else:
            if location:
                cmd += "--location %s " % location
            if extra:
                cmd += "--extra-args=\"%s\" " % extra

    if breed and breed != "other":
        if os_version and os_version != "other":
            if breed == "suse":
                suse_version_re = re.compile("^(opensuse[0-9]+)\.([0-9]+)$")
                if suse_version_re.match(os_version):
                    os_version = suse_version_re.match(os_version).groups()[0]
            # make sure virt-install knows about our os_version,
            # otherwise default it to virtio26 or generic26
            # found = False
            if os_version in supported_variants:
                pass  # os_version is correct
            elif os_version + ".0" in supported_variants:
                # osinfo based virt-install only knows about major.minor
                # variants, not just major variants like it used to. Default
                # to major.0 variant in that case. Lack of backwards
                # compatibility in virt-install grumble grumble.
                os_version = os_version + ".0"
            else:
                if "virtio26" in supported_variants:
                    os_version = "virtio26"
                else:
                    os_version = "generic26"
                print("- warning: virt-install doesn't know this os_version, "
                      "defaulting to %s" % os_version)
            cmd += "--os-variant %s " % os_version
        else:
            distro = "unix"
            if breed in ["debian", "suse", "redhat"]:
                distro = "linux"
            elif breed in ["windows"]:
                distro = "windows"

            cmd += "--os-type %s " % distro

    if importpath:
        # This needs to be the first disk for import to work
        cmd += "--disk path=%s " % importpath

    for path, size, driver_type in disks:
        print("- adding disk: %s of size %s (driver type=%s)" %
              (path, size, driver_type))
        cmd += "--disk path=%s" % (path)
        if str(size) != "0":
            cmd += ",size=%s" % size
        if disk_bus:
            cmd += ",bus=%s" % disk_bus
        if driver_type and not disable_driver_type:
            cmd += ",format=%s" % driver_type
        cmd += " "

    if floppy:
        cmd += "--disk path=%s,device=floppy " % floppy

    for bridge, mac in nics:
        cmd += "--network bridge=%s" % bridge
        if net_model and not disable_net_model:
            cmd += ",model=%s" % net_model
        if mac:
            if oldstyle_macs:
                cmd += " --mac=%s" % mac
            else:
                cmd += ",mac=%s" % mac
        cmd += " "

    cmd += "--wait %d " % int(wait)
    if cpu:
        cmd += "--cpu %s " % cpu
    if noreboot:
        cmd += "--noreboot "
    if osimport and not (import_exists):
        cmd += "--import "
    cmd += "--noautoconsole "

    return shlex.split(str(cmd.strip()))