コード例 #1
0
    def runner(cls, api, parsed_args):
        cls.log_info('Starting backup: vManage URL: "%s" > Local workdir: "%s"', api.base_url, parsed_args.workdir)

        # Backup workdir must be empty for a new backup
        saved_workdir = cls.clean_workdir(parsed_args.workdir)
        if saved_workdir:
            cls.log_info('Previous backup under "%s" was saved as "%s"', parsed_args.workdir, saved_workdir)

        target_info = ServerInfo(server_version=api.server_version)
        if target_info.save(parsed_args.workdir):
            cls.log_info('Saved vManage server information')

        if CATALOG_TAG_ALL in parsed_args.tags:
            # Items without index files to be included with tag 'all'
            edge_certs = EdgeCertificate.get(api)
            if edge_certs is None:
                cls.log_error('Failed backup WAN edge certificates')
            elif edge_certs.save(parsed_args.workdir):
                cls.log_info('Saved WAN edge certificates')

        for _, info, index_cls, item_cls in catalog_entries(*parsed_args.tags):
            item_index = index_cls.get(api)
            if item_index is None:
                cls.log_debug('Skipped %s, item not supported by this vManage', info)
                continue
            if item_index.save(parsed_args.workdir):
                cls.log_info('Saved %s index', info)

            matched_item_iter = (
                (item_id, item_name) for item_id, item_name in item_index
                if parsed_args.regex is None or regex_search(parsed_args.regex, item_name)
            )
            for item_id, item_name in matched_item_iter:
                item = item_cls.get(api, item_id)
                if item is None:
                    cls.log_error('Failed backup %s %s', info, item_name)
                    continue
                if item.save(parsed_args.workdir, item_index.need_extended_name, item_name, item_id):
                    cls.log_info('Done %s %s', info, item_name)

                # Special case for DeviceTemplateAttached and DeviceTemplateValues
                if isinstance(item, DeviceTemplate):
                    devices_attached = DeviceTemplateAttached.get(api, item_id)
                    if devices_attached is None:
                        cls.log_error('Failed backup %s %s attached devices', info, item_name)
                        continue
                    if devices_attached.save(parsed_args.workdir, item_index.need_extended_name, item_name, item_id):
                        cls.log_info('Done %s %s attached devices', info, item_name)
                    else:
                        cls.log_debug('Skipped %s %s attached devices, none found', info, item_name)
                        continue

                    try:
                        uuid_list = [uuid for uuid, _ in devices_attached]
                        values = DeviceTemplateValues(api.post(DeviceTemplateValues.api_params(item_id, uuid_list),
                                                               DeviceTemplateValues.api_path.post))
                        if values.save(parsed_args.workdir, item_index.need_extended_name, item_name, item_id):
                            cls.log_info('Done %s %s values', info, item_name)
                    except RestAPIException as ex:
                        cls.log_error('Failed backup %s %s values: %s', info, item_name, ex)
コード例 #2
0
ファイル: implementation.py プロジェクト: fehuapaya/sastre
    def runner(cls, api, parsed_args):
        def load_items(index, item_cls):
            item_iter = ((item_id,
                          item_cls.load(parsed_args.workdir,
                                        index.need_extended_name, item_name,
                                        item_id))
                         for item_id, item_name in index)
            return ((item_id, item_obj) for item_id, item_obj in item_iter
                    if item_obj is not None)

        cls.log_info(
            'Starting restore%s: Local workdir: "%s" > vManage URL: "%s"',
            ', DRY-RUN mode' if parsed_args.dryrun else '',
            parsed_args.workdir, api.base_url)

        local_info = ServerInfo.load(parsed_args.workdir)
        # Server info file may not be present (e.g. backup from older Sastre releases)
        if local_info is not None and is_version_newer(
                api.server_version, local_info.server_version):
            cls.log_warning(
                'Target vManage release (%s) is older than the release used in backup (%s). '
                +
                'Items may fail to be restored due to incompatibilities across releases.',
                api.server_version, local_info.server_version)

        cls.log_info('Loading existing items from target vManage')
        target_all_items_map = {
            hash(type(index)):
            {item_name: item_id
             for item_id, item_name in index}
            for _, _, index, item_cls in cls.index_iter(
                api, catalog_entries(CATALOG_TAG_ALL))
        }

        cls.log_info('Identifying items to be pushed')
        id_mapping = {
        }  # {<old_id>: <new_id>}, used to replace old (saved) item ids with new (target) ids
        restore_list = [
        ]  # [ (<info>, <index_cls>, [(<item_id>, <item>, <id_on_target>), ...]), ...]
        dependency_set = set()  # {<item_id>, ...}
        match_set = set()  # {<item_id>, ...}
        for tag in ordered_tags(parsed_args.tag):
            cls.log_info('Inspecting %s items', tag)
            tag_iter = ((info, index, load_items(index, item_cls))
                        for _, info, index, item_cls in cls.index_iter(
                            parsed_args.workdir, catalog_entries(tag)))
            for info, index, loaded_items_iter in tag_iter:
                target_item_map = target_all_items_map.get(hash(type(index)))
                if target_item_map is None:
                    # Logging at warning level because the backup files did have this item
                    cls.log_warning(
                        'Will skip %s, item not supported by target vManage',
                        info)
                    continue

                restore_item_list = []
                for item_id, item in loaded_items_iter:
                    target_id = target_item_map.get(item.name)
                    if target_id is not None:
                        # Item already exists on target vManage, record item id from target
                        if item_id != target_id:
                            id_mapping[item_id] = target_id

                        if not parsed_args.force:
                            # Existing item on target vManage will be used, i.e. will not overwrite it
                            cls.log_debug(
                                'Will skip %s %s, item already on target vManage',
                                info, item.name)
                            continue

                    if item.is_readonly:
                        cls.log_debug('Will skip read-only %s %s', info,
                                      item.name)
                        continue

                    item_matches = ((parsed_args.tag == CATALOG_TAG_ALL
                                     or parsed_args.tag == tag) and
                                    (parsed_args.regex is None or regex_search(
                                        parsed_args.regex, item.name)))
                    if item_matches:
                        match_set.add(item_id)
                    if item_matches or item_id in dependency_set:
                        # A target_id that is not None signals a push operation, as opposed to post.
                        # target_id will be None unless --force is specified and item name is on target
                        restore_item_list.append((item_id, item, target_id))
                        dependency_set.update(item.id_references_set)

                if len(restore_item_list) > 0:
                    restore_list.append((info, index, restore_item_list))

        log_prefix = 'DRY-RUN: ' if parsed_args.dryrun else ''
        if len(restore_list) > 0:
            cls.log_info('%sPushing items to vManage', log_prefix)
            # Items were added to restore_list following ordered_tags() order (i.e. higher level items before lower
            # level items). The reverse order needs to be followed on restore.
            for info, index, restore_item_list in reversed(restore_list):
                pushed_item_dict = {}
                for item_id, item, target_id in restore_item_list:
                    op_info = 'Create' if target_id is None else 'Update'
                    reason = ' (dependency)' if item_id in dependency_set - match_set else ''

                    try:
                        if target_id is None:
                            # Create new item
                            if parsed_args.dryrun:
                                cls.log_info('%s%s %s %s%s', log_prefix,
                                             op_info, info, item.name, reason)
                                continue
                            # Not using item id returned from post because post can return empty (e.g. local policies)
                            api.post(item.post_data(id_mapping),
                                     item.api_path.post)
                            pushed_item_dict[item.name] = item_id
                        else:
                            # Update existing item
                            update_data = item.put_data(id_mapping)
                            if item.get_raise(api,
                                              target_id).is_equal(update_data):
                                cls.log_debug('%s%s skipped (no diffs) %s %s',
                                              log_prefix, op_info, info,
                                              item.name)
                                continue

                            if parsed_args.dryrun:
                                cls.log_info('%s%s %s %s%s', log_prefix,
                                             op_info, info, item.name, reason)
                                continue

                            put_eval = UpdateEval(
                                api.put(update_data, item.api_path.put,
                                        target_id))
                            if put_eval.need_reattach:
                                if put_eval.is_master:
                                    cls.log_info(
                                        'Updating %s %s requires reattach',
                                        info, item.name)
                                    action_list = cls.attach_template(
                                        api, parsed_args.workdir,
                                        index.need_extended_name,
                                        [(item.name, item_id, target_id)])
                                else:
                                    cls.log_info(
                                        'Updating %s %s requires reattach of affected templates',
                                        info, item.name)
                                    target_templates = {
                                        item_id: item_name
                                        for item_id, item_name in
                                        DeviceTemplateIndex.get_raise(api)
                                    }
                                    templates_iter = (
                                        (target_templates[tgt_id], tgt_id)
                                        for tgt_id in
                                        put_eval.templates_affected_iter())
                                    action_list = cls.reattach_template(
                                        api, templates_iter)
                                cls.wait_actions(api,
                                                 action_list,
                                                 'reattaching templates',
                                                 raise_on_failure=True)
                            elif put_eval.need_reactivate:
                                cls.log_info(
                                    'Updating %s %s requires vSmart policy reactivate',
                                    info, item.name)
                                action_list = cls.activate_policy(
                                    api,
                                    *PolicyVsmartIndex.get_raise(
                                        api).active_policy,
                                    is_edited=True)
                                cls.wait_actions(api,
                                                 action_list,
                                                 'reactivating vSmart policy',
                                                 raise_on_failure=True)
                    except (RestAPIException, WaitActionsException) as ex:
                        cls.log_error('Failed %s %s %s%s: %s', op_info, info,
                                      item.name, reason, ex)
                    else:
                        cls.log_info('Done: %s %s %s%s', op_info, info,
                                     item.name, reason)

                # Read new ids from target and update id_mapping
                try:
                    new_target_item_map = {
                        item_name: item_id
                        for item_id, item_name in index.get_raise(api)
                    }
                    for item_name, old_item_id in pushed_item_dict.items():
                        id_mapping[old_item_id] = new_target_item_map[
                            item_name]
                except RestAPIException as ex:
                    cls.log_critical('Failed retrieving %s: %s', info, ex)
                    break
        else:
            cls.log_info('%sNo items to push', log_prefix)

        if parsed_args.attach:
            try:
                target_templates = {
                    item_name: item_id
                    for item_id, item_name in DeviceTemplateIndex.get_raise(
                        api)
                }
                target_policies = {
                    item_name: item_id
                    for item_id, item_name in PolicyVsmartIndex.get_raise(api)
                }
                saved_template_index = DeviceTemplateIndex.load(
                    parsed_args.workdir, raise_not_found=True)
                attach_common_args = (api, parsed_args.workdir,
                                      saved_template_index.need_extended_name)
                # Attach WAN Edge templates
                edge_templates_iter = (
                    (saved_name, saved_id, target_templates.get(saved_name))
                    for saved_id, saved_name in saved_template_index.
                    filtered_iter(DeviceTemplateIndex.is_not_vsmart))
                wan_edge_set = {
                    uuid
                    for uuid, _ in EdgeInventory.get_raise(api)
                }
                action_list = cls.attach_template(*attach_common_args,
                                                  edge_templates_iter,
                                                  wan_edge_set)
                if len(action_list) == 0:
                    cls.log_info('No WAN Edge attachments needed')
                else:
                    cls.wait_actions(api, action_list,
                                     'attaching WAN Edge templates')
                # Attach vSmart template
                vsmart_templates_iter = (
                    (saved_name, saved_id, target_templates.get(saved_name))
                    for saved_id, saved_name in saved_template_index.
                    filtered_iter(DeviceTemplateIndex.is_vsmart))
                vsmart_set = {
                    uuid
                    for uuid, _ in ControlInventory.get_raise(
                        api).filtered_iter(ControlInventory.is_vsmart)
                }
                action_list = cls.attach_template(*attach_common_args,
                                                  vsmart_templates_iter,
                                                  vsmart_set)
                if len(action_list) == 0:
                    cls.log_info('No vSmart attachments needed')
                else:
                    cls.wait_actions(api, action_list,
                                     'attaching vSmart template')
                # Activate vSmart policy
                _, policy_name = PolicyVsmartIndex.load(
                    parsed_args.workdir, raise_not_found=True).active_policy
                action_list = cls.activate_policy(
                    api, target_policies.get(policy_name), policy_name)
                if len(action_list) == 0:
                    cls.log_info('No vSmart policy to activate')
                else:
                    cls.wait_actions(api, action_list,
                                     'activating vSmart policy')
            except (RestAPIException, FileNotFoundError) as ex:
                cls.log_critical('Attach failed: %s', ex)
コード例 #3
0
    def runner(self, parsed_args, api, task_output=None):
        self.log_info('Starting backup: vManage URL: "%s" -> Local workdir: "%s"', api.base_url, parsed_args.workdir)

        # Backup workdir must be empty for a new backup
        saved_workdir = clean_dir(parsed_args.workdir, max_saved=0 if parsed_args.no_rollover else 99)
        if saved_workdir:
            self.log_info('Previous backup under "%s" was saved as "%s"', parsed_args.workdir, saved_workdir)

        target_info = ServerInfo(server_version=api.server_version)
        if target_info.save(parsed_args.workdir):
            self.log_info('Saved vManage server information')

        # Backup items not registered to the catalog, but to be included when tag is 'all'
        if CATALOG_TAG_ALL in parsed_args.tags:
            edge_certs = EdgeCertificate.get(api)
            if edge_certs is None:
                self.log_error('Failed backup WAN edge certificates')
            elif edge_certs.save(parsed_args.workdir):
                self.log_info('Saved WAN edge certificates')

            for inventory, info in ((EdgeInventory.get(api), 'WAN edge'), (ControlInventory.get(api), 'controller')):
                if inventory is None:
                    self.log_error('Failed retrieving %s inventory', info)
                    continue

                for uuid, _, hostname, _ in inventory.extended_iter():
                    if hostname is None:
                        self.log_debug('Skipping %s, no hostname', uuid)
                        continue

                    for item, config_type in ((DeviceConfig.get(api, DeviceConfig.api_params(uuid)), 'CFS'),
                                              (DeviceConfigRFS.get(api, DeviceConfigRFS.api_params(uuid)), 'RFS')):
                        if item is None:
                            self.log_error('Failed backup %s device configuration %s', config_type, hostname)
                            continue
                        if item.save(parsed_args.workdir, item_name=hostname, item_id=uuid):
                            self.log_info('Done %s device configuration %s', config_type, hostname)

        # Backup items registered to the catalog
        for _, info, index_cls, item_cls in catalog_iter(*parsed_args.tags, version=api.server_version):
            item_index = index_cls.get(api)
            if item_index is None:
                self.log_debug('Skipped %s, item not supported by this vManage', info)
                continue
            if item_index.save(parsed_args.workdir):
                self.log_info('Saved %s index', info)

            matched_item_iter = (
                (item_id, item_name) for item_id, item_name in item_index
                if parsed_args.regex is None or regex_search(parsed_args.regex, item_name)
            )
            for item_id, item_name in matched_item_iter:
                item = item_cls.get(api, item_id)
                if item is None:
                    self.log_error('Failed backup %s %s', info, item_name)
                    continue
                if item.save(parsed_args.workdir, item_index.need_extended_name, item_name, item_id):
                    self.log_info('Done %s %s', info, item_name)

                # Special case for DeviceTemplateAttached and DeviceTemplateValues
                if isinstance(item, DeviceTemplate):
                    devices_attached = DeviceTemplateAttached.get(api, item_id)
                    if devices_attached is None:
                        self.log_error('Failed backup %s %s attached devices', info, item_name)
                        continue
                    if devices_attached.save(parsed_args.workdir, item_index.need_extended_name, item_name, item_id):
                        self.log_info('Done %s %s attached devices', info, item_name)
                    else:
                        self.log_debug('Skipped %s %s attached devices, none found', info, item_name)
                        continue

                    try:
                        uuid_list = [uuid for uuid, _ in devices_attached]
                        values = DeviceTemplateValues(api.post(DeviceTemplateValues.api_params(item_id, uuid_list),
                                                               DeviceTemplateValues.api_path.post))
                        if values.save(parsed_args.workdir, item_index.need_extended_name, item_name, item_id):
                            self.log_info('Done %s %s values', info, item_name)
                    except RestAPIException as ex:
                        self.log_error('Failed backup %s %s values: %s', info, item_name, ex)
コード例 #4
0
    def runner(self, parsed_args, api=None, task_output=None):
        source_info = f'Local workdir: "{parsed_args.workdir}"' if api is None else f'vManage URL: "{api.base_url}"'
        self.log_info('Starting migrate: %s %s -> %s Local output dir: "%s"', source_info, parsed_args.from_version,
                      parsed_args.to_version, parsed_args.output)

        # Output directory must be empty for a new migration
        saved_output = clean_dir(parsed_args.output, max_saved=0 if parsed_args.no_rollover else 99)
        if saved_output:
            self.log_info('Previous migration under "%s" was saved as "%s"', parsed_args.output, saved_output)

        if api is None:
            backend = parsed_args.workdir
            local_info = ServerInfo.load(backend)
            server_version = local_info.server_version if local_info is not None else None
        else:
            backend = api
            server_version = backend.server_version

        try:
            # Load migration processors
            loaded_processors = {
                FeatureTemplate: FeatureProcessor.load(from_version=parsed_args.from_version,
                                                       to_version=parsed_args.to_version),
                DeviceTemplate: DeviceProcessor.load(from_version=parsed_args.from_version,
                                                     to_version=parsed_args.to_version)
            }
            self.log_info('Loaded template migration recipes')

            server_info = ServerInfo(server_version=parsed_args.to_version)
            if server_info.save(parsed_args.output):
                self.log_info('Saved vManage server information')

            id_mapping = {}  # {<old_id>: <new_id>}
            for tag in ordered_tags(CATALOG_TAG_ALL, reverse=True):
                self.log_info('Inspecting %s items', tag)

                for _, info, index_cls, item_cls in catalog_iter(tag, version=server_version):
                    item_index = self.index_get(index_cls, backend)
                    if item_index is None:
                        self.log_debug('Skipped %s, none found', info)
                        continue

                    name_set = {item_name for item_id, item_name in item_index}

                    is_bad_name = False
                    export_list = []
                    id_hint_map = {item_name: item_id for item_id, item_name in item_index}
                    for item_id, item_name in item_index:
                        item = self.item_get(item_cls, backend, item_id, item_name, item_index.need_extended_name)
                        if item is None:
                            self.log_error('Failed loading %s %s', info, item_name)
                            continue

                        try:
                            item_processor = loaded_processors.get(item_cls)
                            if item_processor is None:
                                raise StopProcessorException()

                            self.log_debug('Evaluating %s %s', info, item_name)
                            if not item_processor.is_in_scope(item, migrate_all=(parsed_args.scope == 'all')):
                                self.log_debug('Skipping %s, migration not necessary', item_name)
                                raise StopProcessorException()

                            new_name, is_valid = item.get_new_name(parsed_args.name)
                            if not is_valid:
                                self.log_error('New %s name is not valid: %s', info, new_name)
                                is_bad_name = True
                                raise StopProcessorException()
                            if new_name in name_set:
                                self.log_error('New %s name collision: %s -> %s', info, item_name, new_name)
                                is_bad_name = True
                                raise StopProcessorException()

                            name_set.add(new_name)

                            new_id = str(uuid4())
                            new_payload, trace_log = item_processor.eval(item, new_name, new_id)
                            for trace in trace_log:
                                self.log_debug('Processor: %s', trace)

                            if item.is_equal(new_payload):
                                self.log_debug('Skipping %s, no changes', item_name)
                                raise StopProcessorException()

                            new_item = item_cls(update_ids(id_mapping, new_payload))
                            id_mapping[item_id] = new_id
                            id_hint_map[new_name] = new_id

                            if item_processor.replace_original():
                                self.log_debug('Migrated replaces original: %s -> %s', item_name, new_name)
                                item = new_item
                            else:
                                self.log_debug('Migrated adds to original: %s + %s', item_name, new_name)
                                export_list.append(new_item)

                        except StopProcessorException:
                            pass

                        export_list.append(item)

                    if is_bad_name:
                        raise TaskException(f'One or more new {info} names are not valid')

                    if not export_list:
                        self.log_info('No %s migrated', info)
                        continue

                    if issubclass(item_cls, FeatureTemplate):
                        for factory_default in (factory_cedge_aaa, factory_cedge_global):
                            if any(factory_default.name == elem.name for elem in export_list):
                                self.log_debug('Using existing factory %s %s', info, factory_default.name)
                                # Updating because device processor always use the built-in IDs
                                id_mapping[factory_default.uuid] = id_hint_map[factory_default.name]
                            else:
                                export_list.append(factory_default)
                                id_hint_map[factory_default.name] = factory_default.uuid
                                self.log_debug('Added factory %s %s', info, factory_default.name)

                    new_item_index = index_cls.create(export_list, id_hint_map)
                    if new_item_index.save(parsed_args.output):
                        self.log_info('Saved %s index', info)

                    for new_item in export_list:
                        if new_item.save(parsed_args.output, new_item_index.need_extended_name, new_item.name,
                                         id_hint_map[new_item.name]):
                            self.log_info('Saved %s %s', info, new_item.name)

        except (ProcessorException, TaskException) as ex:
            self.log_critical('Migration aborted: %s', ex)