(SOL-1105) Requirement for enabling search in devstack

cms/djangoapps/contentstore/management/commands/reindex_course.py

+""" Management command to update courses' search index """
+import logging
+from django.core.management import BaseCommand, CommandError
+from optparse import make_option
+from textwrap import dedent
+
+from contentstore.courseware_index import CoursewareSearchIndexer
+from search.search_engine_base import SearchEngine
+from elasticsearch import exceptions
+
+from opaque_keys.edx.keys import CourseKey
+from opaque_keys import InvalidKeyError
+from opaque_keys.edx.locator import CourseLocator
+
+from .prompt import query_yes_no
+
+from xmodule.modulestore.django import modulestore
+
+
+class Command(BaseCommand):
+    """
+    Command to re-index courses
+
+    Examples:
+
+        ./manage.py reindex_course <course_id_1> <course_id_2> - reindexes courses with keys course_id_1 and course_id_2
+        ./manage.py reindex_course --all - reindexes all available courses
+        ./manage.py reindex_course --setup - reindexes all courses for devstack setup
+    """
+    help = dedent(__doc__)
+
+    can_import_settings = True
+
+    args = "<course_id course_id ...>"
+
+    all_option = make_option('--all',
+                             action='store_true',
+                             dest='all',
+                             default=False,
+                             help='Reindex all courses')
+
+    setup_option = make_option('--setup',
+                               action='store_true',
+                               dest='setup',
+                               default=False,
+                               help='Reindex all courses on developers stack setup')
+
+    option_list = BaseCommand.option_list + (all_option, setup_option)
+
+    CONFIRMATION_PROMPT = u"Re-indexing all courses might be a time consuming operation. Do you want to continue?"
+
+    def _parse_course_key(self, raw_value):
+        """ Parses course key from string """
+        try:
+            result = CourseKey.from_string(raw_value)
+        except InvalidKeyError:
+            raise CommandError("Invalid course_key: '%s'." % raw_value)
+
+        if not isinstance(result, CourseLocator):
+            raise CommandError(u"Argument {0} is not a course key".format(raw_value))
+
+        return result
+
+    def handle(self, *args, **options):
+        """
+        By convention set by Django developers, this method actually executes command's actions.
+        So, there could be no better docstring than emphasize this once again.
+        """
+        all_option = options.get('all', False)
+        setup_option = options.get('setup', False)
+        index_all_courses_option = all_option or setup_option
+
+        if len(args) == 0 and not index_all_courses_option:
+            raise CommandError(u"reindex_course requires one or more arguments: <course_id>")
+
+        store = modulestore()
+
+        if index_all_courses_option:
+            index_name = CoursewareSearchIndexer.INDEX_NAME
+            doc_type = CoursewareSearchIndexer.DOCUMENT_TYPE
+            if setup_option:
+                try:
+                    # try getting the ElasticSearch engine
+                    searcher = SearchEngine.get_search_engine(index_name)
+                except exceptions.ElasticsearchException as exc:
+                    logging.exception('Search Engine error - %s', unicode(exc))
+                    return
+
+                index_exists = searcher._es.indices.exists(index=index_name)  # pylint: disable=protected-access
+                doc_type_exists = searcher._es.indices.exists_type(  # pylint: disable=protected-access
+                    index=index_name,
+                    doc_type=doc_type
+                )
+
+                index_mapping = searcher._es.indices.get_mapping(  # pylint: disable=protected-access
+                    index=index_name,
+                    doc_type=doc_type
+                ) if index_exists and doc_type_exists else {}
+
+                if index_exists and index_mapping:
+                    return
+
+            # if reindexing is done during devstack setup step, don't prompt the user
+            if setup_option or query_yes_no(self.CONFIRMATION_PROMPT, default="no"):
+                # in case of --setup or --all, get the list of course keys from all courses
+                # that are stored in the modulestore
+                course_keys = [course.id for course in modulestore().get_courses()]
+            else:
+                return
+        else:
+            # in case course keys are provided as arguments
+            course_keys = map(self._parse_course_key, args)
+
+        for course_key in course_keys:
+            CoursewareSearchIndexer.do_course_reindex(store, course_key)

cms/djangoapps/contentstore/management/commands/tests/test_reindex_courses.py

+""" Tests for course reindex command """
+import ddt
+from django.core.management import call_command, CommandError
+import mock
+
+from xmodule.modulestore import ModuleStoreEnum
+from xmodule.modulestore.django import modulestore
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
+from common.test.utils import nostderr
+from xmodule.modulestore.tests.factories import CourseFactory, LibraryFactory
+
+from contentstore.management.commands.reindex_course import Command as ReindexCommand
+from contentstore.courseware_index import SearchIndexingError
+
+
+@ddt.ddt
+class TestReindexCourse(ModuleStoreTestCase):
+    """ Tests for course reindex command """
+    def setUp(self):
+        """ Setup method - create courses """
+        super(TestReindexCourse, self).setUp()
+        self.store = modulestore()
+        self.first_lib = LibraryFactory.create(
+            org="test", library="lib1", display_name="run1", default_store=ModuleStoreEnum.Type.split
+        )
+        self.second_lib = LibraryFactory.create(
+            org="test", library="lib2", display_name="run2", default_store=ModuleStoreEnum.Type.split
+        )
+
+        self.first_course = CourseFactory.create(
+            org="test", course="course1", display_name="run1"
+        )
+        self.second_course = CourseFactory.create(
+            org="test", course="course2", display_name="run1"
+        )
+
+    REINDEX_PATH_LOCATION = 'contentstore.management.commands.reindex_course.CoursewareSearchIndexer.do_course_reindex'
+    MODULESTORE_PATCH_LOCATION = 'contentstore.management.commands.reindex_course.modulestore'
+    YESNO_PATCH_LOCATION = 'contentstore.management.commands.reindex_course.query_yes_no'
+
+    def _get_lib_key(self, library):
+        """ Get's library key as it is passed to indexer """
+        return library.location.library_key
+
+    def _build_calls(self, *courses):
+        """ Builds a list of mock.call instances representing calls to reindexing method """
+        return [mock.call(self.store, course.id) for course in courses]
+
+    def test_given_no_arguments_raises_command_error(self):
+        """ Test that raises CommandError for incorrect arguments """
+        with self.assertRaises(SystemExit), nostderr():
+            with self.assertRaisesRegexp(CommandError, ".* requires one or more arguments .*"):
+                call_command('reindex_course')
+
+    @ddt.data('qwerty', 'invalid_key', 'xblock-v1:qwe+rty')
+    def test_given_invalid_course_key_raises_not_found(self, invalid_key):
+        """ Test that raises InvalidKeyError for invalid keys """
+        errstring = "Invalid course_key: '%s'." % invalid_key
+        with self.assertRaises(SystemExit) as ex:
+            with self.assertRaisesRegexp(CommandError, errstring):
+                call_command('reindex_course', invalid_key)
+        self.assertEqual(ex.exception.code, 1)
+
+    def test_given_library_key_raises_command_error(self):
+        """ Test that raises CommandError if library key is passed """
+        with self.assertRaises(SystemExit), nostderr():
+            with self.assertRaisesRegexp(SearchIndexingError, ".* is not a course key"):
+                call_command('reindex_course', unicode(self._get_lib_key(self.first_lib)))
+
+        with self.assertRaises(SystemExit), nostderr():
+            with self.assertRaisesRegexp(SearchIndexingError, ".* is not a course key"):
+                call_command('reindex_course', unicode(self._get_lib_key(self.second_lib)))
+
+        with self.assertRaises(SystemExit), nostderr():
+            with self.assertRaisesRegexp(SearchIndexingError, ".* is not a course key"):
+                call_command(
+                    'reindex_course',
+                    unicode(self.second_course.id),
+                    unicode(self._get_lib_key(self.first_lib))
+                )
+
+    def test_given_id_list_indexes_courses(self):
+        """ Test that reindexes courses when given single course key or a list of course keys """
+        with mock.patch(self.REINDEX_PATH_LOCATION) as patched_index, \
+                mock.patch(self.MODULESTORE_PATCH_LOCATION, mock.Mock(return_value=self.store)):
+            call_command('reindex_course', unicode(self.first_course.id))
+            self.assertEqual(patched_index.mock_calls, self._build_calls(self.first_course))
+            patched_index.reset_mock()
+
+            call_command('reindex_course', unicode(self.second_course.id))
+            self.assertEqual(patched_index.mock_calls, self._build_calls(self.second_course))
+            patched_index.reset_mock()
+
+            call_command(
+                'reindex_course',
+                unicode(self.first_course.id),
+                unicode(self.second_course.id)
+            )
+            expected_calls = self._build_calls(self.first_course, self.second_course)
+            self.assertEqual(patched_index.mock_calls, expected_calls)
+
+    def test_given_all_key_prompts_and_reindexes_all_courses(self):
+        """ Test that reindexes all courses when --all key is given and confirmed """
+        with mock.patch(self.YESNO_PATCH_LOCATION) as patched_yes_no:
+            patched_yes_no.return_value = True
+            with mock.patch(self.REINDEX_PATH_LOCATION) as patched_index, \
+                    mock.patch(self.MODULESTORE_PATCH_LOCATION, mock.Mock(return_value=self.store)):
+                call_command('reindex_course', all=True)
+
+                patched_yes_no.assert_called_once_with(ReindexCommand.CONFIRMATION_PROMPT, default='no')
+                expected_calls = self._build_calls(self.first_course, self.second_course)
+                self.assertItemsEqual(patched_index.mock_calls, expected_calls)
+
+    def test_given_all_key_prompts_and_reindexes_all_courses_cancelled(self):
+        """ Test that does not reindex anything when --all key is given and cancelled """
+        with mock.patch(self.YESNO_PATCH_LOCATION) as patched_yes_no:
+            patched_yes_no.return_value = False
+            with mock.patch(self.REINDEX_PATH_LOCATION) as patched_index, \
+                    mock.patch(self.MODULESTORE_PATCH_LOCATION, mock.Mock(return_value=self.store)):
+                call_command('reindex_course', all=True)
+
+                patched_yes_no.assert_called_once_with(ReindexCommand.CONFIRMATION_PROMPT, default='no')
+                patched_index.assert_not_called()
+
+    def test_fail_fast_if_reindex_fails(self):
+        """ Test that fails on first reindexing exception """
+        with mock.patch(self.REINDEX_PATH_LOCATION) as patched_index:
+            patched_index.side_effect = SearchIndexingError("message", [])
+
+            with self.assertRaises(SearchIndexingError):
+                call_command('reindex_course', unicode(self.second_course.id))

lms/envs/common.py

@@ -395,6 +395,9 @@ FEATURES = {
     # Course discovery feature
     'ENABLE_COURSE_DISCOVERY': False,
 
+    # Setting for overriding default filtering facets for Course discovery
+    # COURSE_DISCOVERY_FILTERS = ["org", "language", "modes"]
+
     # Software secure fake page feature flag
     'ENABLE_SOFTWARE_SECURE_FAKE': False,
 

lms/envs/devstack.py

@@ -138,7 +138,7 @@ FEATURES['LICENSING'] = True
 
 
 ########################## Courseware Search #######################
-FEATURES['ENABLE_COURSEWARE_SEARCH'] = False
+FEATURES['ENABLE_COURSEWARE_SEARCH'] = True
 SEARCH_ENGINE = "search.elastic.ElasticSearchEngine"
 
 
@@ -167,7 +167,9 @@ COURSE_DISCOVERY_MEANINGS = {
     'language': LANGUAGE_MAP,
 }
 
-FEATURES['ENABLE_COURSE_DISCOVERY'] = False
+FEATURES['ENABLE_COURSE_DISCOVERY'] = True
+# Setting for overriding default filtering facets for Course discovery
+# COURSE_DISCOVERY_FILTERS = ["org", "language", "modes"]
 FEATURES['COURSES_ARE_BROWSEABLE'] = True
 HOMEPAGE_COURSE_MAX = 9
 

pavelib/paver_tests/test_servers.py

@@ -30,6 +30,9 @@ EXPECTED_CELERY_COMMAND = (
 EXPECTED_RUN_SERVER_COMMAND = (
     "python manage.py {system} --settings={settings} runserver --traceback --pythonpath=. 0.0.0.0:{port}"
 )
+EXPECTED_INDEX_COURSE_COMMAND = (
+    "python manage.py {system} --settings={settings} reindex_course --setup"
+)
 
 
 @ddt.ddt
@@ -83,13 +86,27 @@ class TestPaverServerTasks(PaverTestCase):
         Test the "devstack" task.
         """
         options = server_options.copy()
+        is_optimized = options.get("optimized", False)
+        expected_settings = "devstack_optimized" if is_optimized else options.get("settings", "devstack")
 
         # First test with LMS
         options["system"] = "lms"
+        options["expected_messages"] = [
+            EXPECTED_INDEX_COURSE_COMMAND.format(
+                system="cms",
+                settings=expected_settings,
+            )
+        ]
         self.verify_server_task("devstack", options, contracts_default=True)
 
         # Then test with Studio
         options["system"] = "cms"
+        options["expected_messages"] = [
+            EXPECTED_INDEX_COURSE_COMMAND.format(
+                system="cms",
+                settings=expected_settings,
+            )
+        ]
         self.verify_server_task("devstack", options, contracts_default=True)
 
     @ddt.data(
@@ -196,7 +213,7 @@ class TestPaverServerTasks(PaverTestCase):
             call_task("pavelib.servers.devstack", args=args)
         else:
             call_task("pavelib.servers.{task_name}".format(task_name=task_name), options=options)
-        expected_messages = []
+        expected_messages = options.get("expected_messages", [])
         expected_settings = settings if settings else "devstack"
         expected_asset_settings = asset_settings if asset_settings else expected_settings
         if is_optimized:

pavelib/servers.py

@@ -135,6 +135,7 @@ def devstack(args):
     if args.optimized:
         settings = OPTIMIZED_SETTINGS
         asset_settings = OPTIMIZED_ASSETS_SETTINGS
+    sh(django_cmd('cms', settings, 'reindex_course', '--setup'))
     run_server(
         args.system[0],
         fast=args.fast,