Python virtinst.StoragePool类代码示例

 def populate_pool_type(self):
     model = self.widget("pool-type").get_model()
     model.clear()
     types = StoragePool.get_pool_types()
     types.sort()
     for typ in types:
         model.append([typ, "%s: %s" %
                      (typ, StoragePool.get_pool_type_desc(typ))])

 def testEnumerateNetFS(self):
     name = "pool-netfs-list"
     host = "example.com"
     lst = StoragePool.pool_list_from_sources(self.conn,
                                              StoragePool.TYPE_NETFS,
                                              host=host)
     self._enumerateCompare(name, lst)

    def _populate_pools(self):
        pool_list = self.widget("pool-list")
        curpool = self._current_pool()

        model = pool_list.get_model()
        # Prevent events while the model is modified
        pool_list.set_model(None)
        try:
            pool_list.get_selection().unselect_all()
            model.clear()

            for pool in self.conn.list_pools():
                pool.disconnect_by_obj(self)
                pool.connect("state-changed", self._pool_changed_cb)
                pool.connect("refreshed", self._pool_changed_cb)

                name = pool.get_name()
                typ = StoragePool.get_pool_type_desc(pool.get_type())
                label = "%s\n<span size='small'>%s</span>" % (name, typ)

                row = [None] * POOL_NUM_COLUMNS
                row[POOL_COLUMN_CONNKEY] = pool.get_connkey()
                row[POOL_COLUMN_LABEL] = label
                row[POOL_COLUMN_ISACTIVE] = pool.is_active()
                row[POOL_COLUMN_PERCENT] = _get_pool_size_percent(pool)

                model.append(row)
        finally:
            pool_list.set_model(model)

        uiutil.set_list_selection(pool_list,
            curpool and curpool.get_connkey() or None)

 def browse_target_path(self, ignore1=None):
     startfolder = StoragePool.get_default_dir(self.conn.get_backend())
     target = self._browse_file(_("Choose target directory"),
                                startfolder=startfolder,
                                foldermode=True)
     if target:
         self.widget("pool-target-path").get_child().set_text(target)

    def convert_disks(self, disk_format, destdir=None, dry=False):
        """
        Convert a disk into the requested format if possible, in the
        given output directory.  Raises RuntimeError or other failures.
        """
        if disk_format == "none":
            disk_format = None

        if destdir is None:
            destdir = StoragePool.get_default_dir(self.conn, build=not dry)

        guest = self.get_guest()
        for disk in guest.get_devices("disk"):
            if disk.device != "disk":
                continue

            if disk_format and disk.driver_type == disk_format:
                logging.debug("path=%s is already in requested format=%s", disk.path, disk_format)
                disk_format = None

            basepath = os.path.splitext(os.path.basename(disk.path))[0]
            newpath = re.sub(r"\s", "_", basepath)
            if disk_format:
                newpath += "." + disk_format
            newpath = os.path.join(destdir, newpath)
            if os.path.exists(newpath):
                raise RuntimeError(_("New path name '%s' already exists") % newpath)

            if not disk_format or disk_format == "none":
                self._copy_file(disk.path, newpath, dry)
            else:
                self._qemu_convert(disk.path, newpath, disk_format, dry)
            disk.driver_type = disk_format
            disk.path = newpath
            self._err_clean.append(newpath)

def manage_path(conn, path):
    """
    If path is not managed, try to create a storage pool to probe the path
    """
    vol, pool, path_is_pool = check_if_path_managed(conn, path)
    if vol or pool or not _can_auto_manage(path):
        return vol, pool, path_is_pool

    dirname = os.path.dirname(path)
    poolname = StoragePool.find_free_name(
        conn, os.path.basename(dirname) or "pool")
    logging.debug("Attempting to build pool=%s target=%s", poolname, dirname)

    poolxml = StoragePool(conn)
    poolxml.name = poolxml.find_free_name(
        conn, os.path.basename(dirname) or "dirpool")
    poolxml.type = poolxml.TYPE_DIR
    poolxml.target_path = dirname
    pool = poolxml.install(build=False, create=True, autostart=True)
    conn.clear_cache(pools=True)

    vol = None
    for checkvol in pool.listVolumes():
        if checkvol == os.path.basename(path):
            vol = pool.storageVolLookupByName(checkvol)
            break

    return vol, pool, False

    def list_pool_sources(self, host=None):
        pool_type = self._pool.type

        plist = []
        try:
            plist = StoragePool.pool_list_from_sources(
                                                self.conn.get_backend(),
                                                pool_type,
                                                host=host)
        except Exception:
            logging.exception("Pool enumeration failed")

        return plist

def populate_storage_pools(pool_list, conn, curpool):
    model = pool_list.get_model()
    # Prevent events while the model is modified
    pool_list.set_model(None)
    model.clear()
    for uuid in conn.list_pool_uuids():
        per = get_pool_size_percent(conn, uuid)
        pool = conn.get_pool(uuid)

        name = pool.get_name()
        typ = StoragePool.get_pool_type_desc(pool.get_type())
        label = "%s\n<span size='small'>%s</span>" % (name, typ)

        model.append([uuid, label, pool.is_active(), per])

    pool_list.set_model(model)
    uiutil.set_row_selection(pool_list,
                                curpool and curpool.get_uuid() or None)

    def populate_pool_state(self, uuid):
        pool = self.conn.get_pool(uuid)
        pool.tick()
        auto = pool.get_autostart()
        active = pool.is_active()

        # Set pool details state
        self.widget("pool-details").set_sensitive(True)
        self.widget("pool-name").set_markup("<b>%s:</b>" %
                                            pool.get_name())
        self.widget("pool-name-entry").set_text(pool.get_name())
        self.widget("pool-name-entry").set_editable(not active)
        self.widget("pool-sizes").set_markup(
                """<span size="large">%s Free</span> / <i>%s In Use</i>""" %
                (pool.get_pretty_available(), pool.get_pretty_allocation()))
        self.widget("pool-type").set_text(
                StoragePool.get_pool_type_desc(pool.get_type()))
        self.widget("pool-location").set_text(
                pool.get_target_path())
        self.widget("pool-state-icon").set_from_icon_name(
                ((active and self.ICON_RUNNING) or self.ICON_SHUTOFF),
                Gtk.IconSize.BUTTON)
        self.widget("pool-state").set_text(
                (active and _("Active")) or _("Inactive"))
        self.widget("pool-autostart").set_label(
                (auto and _("On Boot")) or _("Never"))
        self.widget("pool-autostart").set_active(auto)

        self.widget("vol-list").set_sensitive(active)
        self.repopulate_storage_volumes()

        self.widget("pool-delete").set_sensitive(not active)
        self.widget("pool-stop").set_sensitive(active)
        self.widget("pool-start").set_sensitive(not active)
        self.widget("vol-add").set_sensitive(active)
        self.widget("vol-add").set_tooltip_text(_("Create new volume"))
        self.widget("vol-delete").set_sensitive(False)

        if active and not pool.supports_volume_creation():
            self.widget("vol-add").set_sensitive(False)
            self.widget("vol-add").set_tooltip_text(
                _("Pool does not support volume creation"))

def _build_pool(conn, meter, path):
    pool = StoragePool.lookup_pool_by_path(conn, path)
    if pool:
        logging.debug("Existing pool '%s' found for %s", pool.name(), path)
        pool.refresh(0)
        return pool

    name = util.generate_name("boot-scratch",
                               conn.storagePoolLookupByName)
    logging.debug("Building storage pool: path=%s name=%s", path, name)
    poolbuild = StoragePool(conn)
    poolbuild.type = poolbuild.TYPE_DIR
    poolbuild.name = name
    poolbuild.target_path = path

    # Explicitly don't build? since if we are creating this directory
    # we probably don't have correct perms
    ret = poolbuild.install(meter=meter, create=True, build=False,
                            autostart=True)
    conn.clear_cache(pools=True)
    return ret

 def _make_stub_pool(self):
     pool = StoragePool(self.conn.get_backend())
     pool.type = self.get_config_type()
     return pool

                and e.get_error_code() != libvirt.VIR_ERR_NO_STORAGE_VOL):
                raise
            return None, e

    def lookup_vol_name(name):
        try:
            name = os.path.basename(path)
            if pool and name in pool.listVolumes():
                return pool.lookupByName(name)
        except:
            pass
        return None

    vol = lookup_vol_by_path()[0]
    if not vol:
        pool = StoragePool.lookup_pool_by_path(conn, os.path.dirname(path))

        # Is pool running?
        if pool and pool.info()[0] != libvirt.VIR_STORAGE_POOL_RUNNING:
            pool = None

    # Attempt to lookup path as a storage volume
    if pool and not vol:
        try:
            # Pool may need to be refreshed, but if it errors,
            # invalidate it
            pool.refresh(0)
            vol, verr = lookup_vol_by_path()
            if verr:
                vol = lookup_vol_name(os.path.basename(path))
        except Exception, e:

def createPool(conn, ptype, poolname=None, fmt=None, target_path=None,
               source_path=None, source_name=None, uuid=None, iqn=None):

    if poolname is None:
        poolname = _findFreePoolName(conn, str(ptype) + "-pool")

    if uuid is None:
        uuid = generate_uuid_from_string(poolname)

    pool_inst = StoragePool(conn)
    pool_inst.name = poolname
    pool_inst.type = ptype
    pool_inst.uuid = uuid

    if pool_inst.supports_property("host"):
        pool_inst.host = "some.random.hostname"
    if pool_inst.supports_property("source_path"):
        pool_inst.source_path = source_path or "/some/source/path"
    if pool_inst.supports_property("target_path"):
        pool_inst.target_path = target_path or "/some/target/path"
    if fmt and pool_inst.supports_property("format"):
        pool_inst.format = fmt
    if source_name and pool_inst.supports_property("source_name"):
        pool_inst.source_name = source_name
    if iqn and pool_inst.supports_property("iqn"):
        pool_inst.iqn = iqn

    pool_inst.validate()
    return poolCompare(pool_inst)

 def testEnumerateiSCSI(self):
     host = "example.com"
     lst = StoragePool.pool_list_from_sources(self.conn,
                                              StoragePool.TYPE_ISCSI,
                                              host=host)
     self.assertTrue(len(lst) == 0)

 def testEnumerateLogical(self):
     name = "pool-logical-list"
     lst = StoragePool.pool_list_from_sources(self.conn,
                                              StoragePool.TYPE_LOGICAL)
     self._enumerateCompare(name, lst)