[ENG-6189] trovesearch denormalized

api/search/views.py

@@ -8,7 +8,7 @@
 
 from api import authentication
 from share.search import exceptions
-from share.search.index_strategy import IndexStrategy
+from share.search import index_strategy
 
 
 class Sharev2ElasticSearchView(views.APIView):
@@ -32,7 +32,7 @@ def _handle_request(self, request):
         if 'scroll' in queryparams:
             return http.HttpResponseForbidden(reason='Scroll is not supported.')
         try:
-            specific_index = IndexStrategy.get_for_sharev2_search(requested_index_strategy)
+            specific_index = index_strategy.get_index_for_sharev2_search(requested_index_strategy)
         except exceptions.IndexStrategyError as error:
             raise http.Http404(str(error))
         try:

api/views/feeds.py

@@ -10,7 +10,7 @@
 import pendulum
 import sentry_sdk
 
-from share.search import IndexStrategy
+from share.search import index_strategy
 from share.search.exceptions import IndexStrategyError
 from share.util.xml import strip_illegal_xml_chars
 
@@ -34,14 +34,16 @@ class MetadataRecordsRSS(Feed):
     description = 'Updates to the SHARE open dataset'
     author_name = 'SHARE'
 
+    _search_index: index_strategy.IndexStrategy.SpecificIndex
+
     def title(self, obj):
         query = json.dumps(obj.get('query', 'All'))
         return prepare_string('SHARE: Atom feed for query: {}'.format(query))
 
     def get_object(self, request):
         self._order = request.GET.get('order')
         elastic_query = request.GET.get('elasticQuery')
-        self._index_strategy = IndexStrategy.get_for_sharev2_search(request.GET.get('indexStrategy'))
+        self._search_index = index_strategy.get_index_for_sharev2_search(request.GET.get('indexStrategy'))
 
         if self._order not in {'date_modified', 'date_updated', 'date_created', 'date_published'}:
             self._order = 'date_modified'
@@ -62,7 +64,7 @@ def get_object(self, request):
 
     def items(self, obj):
         try:
-            json_response = self._index_strategy.pls_handle_search__sharev2_backcompat(
+            json_response = self._search_index.pls_handle_search__sharev2_backcompat(
                 request_body=obj,
             )
         except IndexStrategyError:

project/settings.py

@@ -314,52 +314,15 @@ def split(string, delim):
     'TIMEOUT': int(os.environ.get('ELASTICSEARCH_TIMEOUT', '45')),
     'CHUNK_SIZE': int(os.environ.get('ELASTICSEARCH_CHUNK_SIZE', 2000)),
     'MAX_RETRIES': int(os.environ.get('ELASTICSEARCH_MAX_RETRIES', 7)),
-    'INDEX_STRATEGIES': {},  # populated below based on environment
 }
 ELASTICSEARCH5_URL = (
     os.environ.get('ELASTICSEARCH5_URL')
-    or os.environ.get('ELASTICSEARCH_URL')
+    or os.environ.get('ELASTICSEARCH_URL')  # backcompat
 )
-if ELASTICSEARCH5_URL:
-    ELASTICSEARCH['INDEX_STRATEGIES']['sharev2_elastic5'] = {
-        'INDEX_STRATEGY_CLASS': 'share.search.index_strategy.sharev2_elastic5.Sharev2Elastic5IndexStrategy',
-        'CLUSTER_SETTINGS': {
-            'URL': ELASTICSEARCH5_URL,
-        },
-    }
 ELASTICSEARCH8_URL = os.environ.get('ELASTICSEARCH8_URL')
-if ELASTICSEARCH8_URL:
-    ELASTICSEARCH8_CERT_PATH = os.environ.get('ELASTICSEARCH8_CERT_PATH')
-    ELASTICSEARCH8_USERNAME = os.environ.get('ELASTICSEARCH8_USERNAME', 'elastic')
-    ELASTICSEARCH8_SECRET = os.environ.get('ELASTICSEARCH8_SECRET')
-    ELASTICSEARCH8_CLUSTER_SETTINGS = {
-        'URL': ELASTICSEARCH8_URL,
-        'AUTH': (
-            (ELASTICSEARCH8_USERNAME, ELASTICSEARCH8_SECRET)
-            if ELASTICSEARCH8_SECRET is not None
-            else None
-        ),
-        'CERT_PATH': ELASTICSEARCH8_CERT_PATH,
-    }
-    ELASTICSEARCH['INDEX_STRATEGIES'].update({
-        'sharev2_elastic8': {
-            'INDEX_STRATEGY_CLASS': 'share.search.index_strategy.sharev2_elastic8.Sharev2Elastic8IndexStrategy',
-            'CLUSTER_SETTINGS': ELASTICSEARCH8_CLUSTER_SETTINGS,
-        },
-        'trove_indexcard_flats': {
-            'INDEX_STRATEGY_CLASS': 'share.search.index_strategy.trove_indexcard_flats.TroveIndexcardFlatsIndexStrategy',
-            'CLUSTER_SETTINGS': ELASTICSEARCH8_CLUSTER_SETTINGS,
-        },
-    })
-DEFAULT_INDEX_STRATEGY_FOR_LEGACY_SEARCH = (
-    'sharev2_elastic5'
-    if ELASTICSEARCH5_URL
-    else (
-        'sharev2_elastic8'
-        if ELASTICSEARCH8_URL
-        else None
-    )
-)
+ELASTICSEARCH8_CERT_PATH = os.environ.get('ELASTICSEARCH8_CERT_PATH')
+ELASTICSEARCH8_USERNAME = os.environ.get('ELASTICSEARCH8_USERNAME', 'elastic')
+ELASTICSEARCH8_SECRET = os.environ.get('ELASTICSEARCH8_SECRET')
 
 # Seconds, not an actual celery settings
 CELERY_RETRY_BACKOFF_BASE = int(os.environ.get('CELERY_RETRY_BACKOFF_BASE', 2 if DEBUG else 10))

share/admin/__init__.py

@@ -17,7 +17,7 @@
 from share.admin.celery import CeleryTaskResultAdmin
 from share.admin.jobs import HarvestJobAdmin
 from share.admin.readonly import ReadOnlyAdmin
-from share.admin.search import search_indexes_view
+from share.admin.search import search_indexes_view, search_index_mappings_view
 from share.admin.util import TimeLimitedPaginator, linked_fk, linked_many, SourceConfigFilter
 from share.harvest.scheduler import HarvestScheduler
 from share.models import (
@@ -48,6 +48,11 @@ def get_urls(self):
                 self.admin_view(search_indexes_view),
                 name='search-indexes',
             ),
+            path(
+                'search-index-mappings/<index_name>',
+                self.admin_view(search_index_mappings_view),
+                name='search-index-mappings',
+            ),
             *super().get_urls(),
         ]
 

share/admin/search.py

@@ -1,13 +1,13 @@
 import logging
 
-from django.http.response import HttpResponseRedirect
+from django.http.response import HttpResponseRedirect, JsonResponse
 from django.template.response import TemplateResponse
 from django.urls import reverse
 
 from share.admin.util import admin_url
 from share.models.index_backfill import IndexBackfill
 from share.search.index_messenger import IndexMessenger
-from share.search.index_strategy import IndexStrategy
+from share.search import index_strategy
 
 
 logger = logging.getLogger(__name__)
@@ -20,11 +20,12 @@ def search_indexes_view(request):
             'admin/search-indexes.html',
             context={
                 'search_url_prefix': _search_url_prefix(),
+                'mappings_url_prefix': _mappings_url_prefix(),
                 'index_status_by_strategy': _index_status_by_strategy(),
             },
         )
     if request.method == 'POST':
-        _specific_index = IndexStrategy.get_specific_index(request.POST['specific_indexname'])
+        _specific_index = index_strategy.get_specific_index(request.POST['specific_indexname'])
         _pls_doer = PLS_DOERS[request.POST['pls_do']]
         _pls_doer(_specific_index)
         _redirect_id = (
@@ -35,24 +36,34 @@ def search_indexes_view(request):
         return HttpResponseRedirect('#'.join((request.path, _redirect_id)))
 
 
+def search_index_mappings_view(request, index_name):
+    _specific_index = index_strategy.get_specific_index(index_name)
+    _mappings = _specific_index.pls_get_mappings()
+    return JsonResponse(_mappings)
+
+
 def _search_url_prefix():
     api_url = reverse('api:search')
     return f'{api_url}?indexStrategy='  # append strategyname or indexname
 
 
+def _mappings_url_prefix():
+    return '/admin/search-index-mappings/'
+
+
 def _index_status_by_strategy():
-    backfill_by_indexname = {
+    backfill_by_indexname: dict[str, IndexBackfill] = {
         backfill.specific_indexname: backfill
         for backfill in (
             IndexBackfill.objects
-            .filter(index_strategy_name__in=IndexStrategy.all_strategies_by_name().keys())
+            .filter(index_strategy_name__in=index_strategy.all_index_strategies().keys())
         )
     }
     status_by_strategy = {}
     _messenger = IndexMessenger()
-    for index_strategy in IndexStrategy.all_strategies():
-        current_index = index_strategy.for_current_index()
-        status_by_strategy[index_strategy.name] = {
+    for _index_strategy in index_strategy.all_index_strategies().values():
+        current_index = _index_strategy.for_current_index()
+        status_by_strategy[_index_strategy.name] = {
             'current': {
                 'status': current_index.pls_get_status(),
                 'backfill': _serialize_backfill(
@@ -62,7 +73,7 @@ def _index_status_by_strategy():
             },
             'prior': sorted((
                 specific_index.pls_get_status()
-                for specific_index in index_strategy.each_specific_index()
+                for specific_index in _index_strategy.each_specific_index()
                 if not specific_index.is_current
             ), reverse=True),
             'queues': [
@@ -71,15 +82,18 @@ def _index_status_by_strategy():
                     **_messenger.get_queue_stats(_queue_name),
                 }
                 for _queue_name in (
-                    index_strategy.urgent_messagequeue_name,
-                    index_strategy.nonurgent_messagequeue_name,
+                    _index_strategy.urgent_messagequeue_name,
+                    _index_strategy.nonurgent_messagequeue_name,
                 )
             ],
         }
     return status_by_strategy
 
 
-def _serialize_backfill(specific_index: IndexStrategy.SpecificIndex, backfill: IndexBackfill):
+def _serialize_backfill(
+    specific_index: index_strategy.IndexStrategy.SpecificIndex,
+    backfill: IndexBackfill | None,
+):
     if not specific_index.is_current:
         return {}
     if not backfill:

share/bin/search.py

@@ -1,7 +1,7 @@
 from project.celery import app as celery_app
 
 from share.bin.util import command
-from share.search import IndexStrategy
+from share.search import index_strategy
 from share.search.exceptions import IndexStrategyError
 from share.search.daemon import IndexerDaemonControl
 
@@ -29,7 +29,7 @@ def purge(args, argv):
     Usage: {0} search purge <index_names>...
     """
     for index_name in args['<index_names>']:
-        specific_index = IndexStrategy.get_specific_index(index_name)
+        specific_index = index_strategy.get_specific_index(index_name)
         specific_index.pls_delete()
 
 
@@ -43,18 +43,16 @@ def setup(args, argv):
     if _is_initial:
         _specific_indexes = [
             _index_strategy.for_current_index()
-            for _index_strategy in IndexStrategy.all_strategies()
+            for _index_strategy in index_strategy.all_index_strategies().values()
         ]
     else:
         _index_or_strategy_name = args['<index_or_strategy_name>']
         try:
-            _specific_indexes = [
-                IndexStrategy.get_by_name(_index_or_strategy_name).for_current_index(),
-            ]
+            _specific_indexes = [index_strategy.get_specific_index(_index_or_strategy_name)]
         except IndexStrategyError:
             try:
                 _specific_indexes = [
-                    IndexStrategy.get_specific_index(_index_or_strategy_name),
+                    index_strategy.get_specific_index(_index_or_strategy_name),
                 ]
             except IndexStrategyError:
                 raise IndexStrategyError(f'unrecognized index or strategy name "{_index_or_strategy_name}"')

share/checks.py

@@ -2,18 +2,18 @@
 
 
 def check_all_index_strategies_current(app_configs, **kwargs):
-    from share.search import IndexStrategy
+    from share.search import index_strategy
     from share.search.exceptions import IndexStrategyError
     errors = []
-    for index_strategy in IndexStrategy.all_strategies():
+    for _index_strategy in index_strategy.all_index_strategies().values():
         try:
-            index_strategy.assert_strategy_is_current()
+            _index_strategy.assert_strategy_is_current()
         except IndexStrategyError as exception:
             errors.append(
                 checks.Error(
                     'IndexStrategy changed without checksum confirmation!',
                     hint=str(exception),
-                    obj=index_strategy,
+                    obj=_index_strategy,
                     id='share.search.E001',
                 )
             )

share/models/feature_flag.py

@@ -30,6 +30,7 @@ class FeatureFlag(models.Model):
     ELASTIC_EIGHT_DEFAULT = 'elastic_eight_default'
     IGNORE_SHAREV2_INGEST = 'ignore_sharev2_ingest'
     SUGGEST_CREATOR_FACET = 'suggest_creator_facet'
+    TROVESEARCH_DENORMILY = 'trovesearch_denormily'
 
     # name _should_ be one of the constants above, but that is not enforced by `choices`
     name = models.TextField(unique=True)

share/search/__init__.py

@@ -1,6 +1,5 @@
 from share.search.messages import MessageType, MessagesChunk
-from share.search.index_strategy import IndexStrategy
 from share.search.index_messenger import IndexMessenger
 
 
-__all__ = ('IndexStrategy', 'IndexMessenger', 'MessageType', 'MessagesChunk',)
+__all__ = ('IndexMessenger', 'MessageType', 'MessagesChunk',)

share/search/daemon.py

@@ -11,7 +11,12 @@
 from kombu.mixins import ConsumerMixin
 import sentry_sdk
 
-from share.search import exceptions, messages, IndexStrategy, IndexMessenger
+from share.search import (
+    exceptions,
+    messages,
+    index_strategy,
+    IndexMessenger,
+)
 
 
 logger = logging.getLogger(__name__)
@@ -52,7 +57,7 @@ def start_daemonthreads_for_strategy(self, index_strategy):
         return _daemon
 
     def start_all_daemonthreads(self):
-        for _index_strategy in IndexStrategy.all_strategies():
+        for _index_strategy in index_strategy.all_index_strategies().values():
             self.start_daemonthreads_for_strategy(_index_strategy)
 
     def stop_daemonthreads(self, *, wait=False):
@@ -176,7 +181,7 @@ def __repr__(self):
 
 @dataclasses.dataclass
 class MessageHandlingLoop:
-    index_strategy: IndexStrategy
+    index_strategy: index_strategy.IndexStrategy
     message_type: messages.MessageType
     stop_event: threading.Event
     local_message_queue: queue.Queue
@@ -243,7 +248,6 @@ def _get_daemon_messages(self):
         return daemon_messages_by_target_id
 
     def _handle_some_messages(self):
-        # each message corresponds to one action on this daemon's index
         start_time = time.time()
         doc_count, error_count = 0, 0
         daemon_messages_by_target_id = self._get_daemon_messages()
@@ -265,7 +269,7 @@ def _handle_some_messages(self):
                     logger.error('%sEncountered error: %s', self.log_prefix, message_response.error_text)
                     sentry_sdk.capture_message('error handling message', extras={'message_response': message_response})
                 target_id = message_response.index_message.target_id
-                for daemon_message in daemon_messages_by_target_id.pop(target_id):
+                for daemon_message in daemon_messages_by_target_id.pop(target_id, ()):
                     daemon_message.ack()  # finally set it free
             if daemon_messages_by_target_id:  # should be empty by now
                 logger.error('%sUnhandled messages?? %s', self.log_prefix, len(daemon_messages_by_target_id))