# pylint: disable-msg=C0111 # # Copyright 2008 Google Inc. All Rights Reserved. """This module contains the common behavior of some actions Operations on ACLs or labels are very similar, so are creations and deletions. The following classes provide the common handling. In these case, the class inheritance is, taking the command 'atest label create' as an example: atest / \ / \ / \ atest_create label \ / \ / \ / label_create For 'atest label add': atest / \ / \ / \ | label | | | | | | atest_add label_add_or_remove \ / \ / \ / label_add """ import types from autotest_lib.cli import topic_common # # List action # class atest_list(topic_common.atest): """atest list""" usage_action = 'list' def _convert_wildcard(self, old_key, new_key, value, filters, check_results): filters[new_key] = value.rstrip('*') check_results[new_key] = None del filters[old_key] del check_results[old_key] def _convert_name_wildcard(self, key, value, filters, check_results): if value.endswith('*'): # Could be __name, __login, __hostname new_key = key + '__startswith' self._convert_wildcard(key, new_key, value, filters, check_results) def _convert_in_wildcard(self, key, value, filters, check_results): if value.endswith('*'): assert key.endswith('__in'), 'Key %s does not end with __in' % key new_key = key.replace('__in', '__startswith', 1) self._convert_wildcard(key, new_key, value, filters, check_results) def check_for_wildcard(self, filters, check_results): """Check if there is a wilcard (only * for the moment) and replace the request appropriately""" for (key, values) in filters.iteritems(): if isinstance(values, types.StringTypes): self._convert_name_wildcard(key, values, filters, check_results) continue if isinstance(values, types.ListType): if len(values) == 1: self._convert_in_wildcard(key, values[0], filters, check_results) continue for value in values: if value.endswith('*'): # Can only be a wildcard if it is by itelf self.invalid_syntax('Cannot mix wilcards and items') def execute(self, op, filters={}, check_results={}): """Generic list execute: If no filters where specified, list all the items. If some specific items where asked for, filter on those: check_results has the same keys than filters. If only one filter is set, we use the key from check_result to print the error""" self.check_for_wildcard(filters, check_results) results = self.execute_rpc(op, **filters) for dbkey in filters.keys(): if not check_results.get(dbkey, None): # Don't want to check the results # for this key continue if len(results) >= len(filters[dbkey]): continue # Some bad items field = check_results[dbkey] # The filtering for the job is on the ID which is an int. # Convert it as the jobids from the CLI args are strings. good = set(str(result[field]) for result in results) self.invalid_arg('Unknown %s(s): \n' % self.msg_topic, ', '.join(set(filters[dbkey]) - good)) return results def output(self, results, keys, sublist_keys=[]): self.print_table(results, keys, sublist_keys) # # Creation & Deletion of a topic (ACL, label, user) # class atest_create_or_delete(topic_common.atest): """atest [create|delete] To subclass this, you must define: Example Comment self.topic 'acl_group' self.op_action 'delete' Action to remove a 'topic' self.data {} Additional args for the topic creation/deletion self.msg_topic: 'ACL' The printable version of the topic. self.msg_done: 'Deleted' The printable version of the action. """ def execute(self): handled = [] if (self.op_action == 'delete' and not self.no_confirmation and not self.prompt_confirmation()): return # Create or Delete the altogether op = '%s_%s' % (self.op_action, self.topic) for item in self.get_items(): try: self.data[self.data_item_key] = item new_id = self.execute_rpc(op, item=item, **self.data) handled.append(item) except topic_common.CliError: pass return handled def output(self, results): if results: results = ["'%s'" % r for r in results] self.print_wrapped("%s %s" % (self.msg_done, self.msg_topic), results) class atest_create(atest_create_or_delete): usage_action = 'create' op_action = 'add' msg_done = 'Created' class atest_delete(atest_create_or_delete): data_item_key = 'id' usage_action = op_action = 'delete' msg_done = 'Deleted' # # Adding or Removing things (users, hosts or labels) from a topic # (ACL or Label) # class atest_add_or_remove(topic_common.atest): """atest [add|remove] To subclass this, you must define these attributes: Example Comment topic 'acl_group' op_action 'remove' Action for adding users/hosts add_remove_things {'users': 'user'} Dict of things to try add/removing. Keys are the attribute names. Values are the word to print for an individual item of such a value. """ add_remove_things = {'users': 'user', 'hosts': 'host'} # Original behavior def _add_remove_uh_to_topic(self, item, what): """Adds the 'what' (such as users or hosts) to the 'item'""" uhs = getattr(self, what) if len(uhs) == 0: # To skip the try/else raise AttributeError op = '%s_%s_%s' % (self.topic, self.op_action, what) try: self.execute_rpc(op=op, # The opcode **{'id': item, what: uhs}) # The data setattr(self, 'good_%s' % what, uhs) except topic_common.CliError, full_error: bad_uhs = self.parse_json_exception(full_error) good_uhs = list(set(uhs) - set(bad_uhs)) if bad_uhs and good_uhs: self.execute_rpc(op=op, **{'id': item, what: good_uhs}) setattr(self, 'good_%s' % what, good_uhs) else: raise def execute(self): """Adds or removes things (users, hosts, etc.) from a topic, e.g.: Add hosts to labels: self.topic = 'label' self.op_action = 'add' self.add_remove_things = {'users': 'user', 'hosts': 'host'} self.get_items() = The labels/ACLs that the hosts should be added to. Returns: A dictionary of lists of things added successfully using the same keys as self.add_remove_things. """ oks = {} for item in self.get_items(): # FIXME(gps): # This reverse sorting is only here to avoid breaking many # existing extremely fragile unittests which depend on the # exact order of the calls made below. 'users' must be run # before 'hosts'. plurals = reversed(sorted(self.add_remove_things.keys())) for what in plurals: try: self._add_remove_uh_to_topic(item, what) except AttributeError: pass except topic_common.CliError, err: # The error was already logged by # self.failure() pass else: oks.setdefault(item, []).append(what) results = {} for thing in self.add_remove_things: things_ok = [item for item, what in oks.items() if thing in what] results[thing] = things_ok return results def output(self, results): for thing, single_thing in self.add_remove_things.iteritems(): # Enclose each of the elements in a single quote. things_ok = ["'%s'" % t for t in results[thing]] if things_ok: self.print_wrapped("%s %s %s %s" % (self.msg_done, self.msg_topic, ', '.join(things_ok), single_thing), getattr(self, 'good_%s' % thing)) class atest_add(atest_add_or_remove): usage_action = op_action = 'add' msg_done = 'Added to' usage_words = ('Add', 'to') class atest_remove(atest_add_or_remove): usage_action = op_action = 'remove' msg_done = 'Removed from' usage_words = ('Remove', 'from')