Sync writes/deletes on sub case search indices.

corehq/apps/es/case_search.py

@@ -13,6 +13,8 @@
 from copy import deepcopy
 from datetime import datetime
 
+from django.conf import settings
+
 from memoized import memoized
 
 from dimagi.utils.parsing import json_format_datetime
@@ -29,11 +31,12 @@
     VALUE,
 )
 from corehq.apps.es.cases import CaseES, owner
+from corehq.apps.es.transient_util import doc_adapter_from_cname
 from corehq.util.dates import iso_string_to_datetime
 
 from . import filters, queries
 from .cases import case_adapter
-from .client import ElasticDocumentAdapter, create_document_adapter
+from .client import BulkActionItem, ElasticDocumentAdapter, create_document_adapter
 from .const import (
     HQ_CASE_SEARCH_INDEX_CANONICAL_NAME,
     HQ_CASE_SEARCH_INDEX_NAME,
@@ -174,6 +177,41 @@ def _from_dict(self, case):
         doc['_id'] = case_dict['_id']
         return super()._from_dict(doc)
 
+    def _get_domain_from_doc(self, doc):
+        """
+        `doc` can be CommcCareCase instance or dict. This util method extracts domain from doc.
+        This will fail hard if domain is not present in doc.
+        """
+        if isinstance(doc, dict):
+            return doc["domain"]
+        if hasattr(doc, 'domain'):
+            return doc.domain
+
+    def index(self, doc, refresh=False):
+        """
+        Selectively multiplexes writes to a sub index based on the domain of the doc.
+        """
+        sub_index_adapter = multiplex_to_adapter(self._get_domain_from_doc(doc))
+        if sub_index_adapter:
+            # If we get a valid sub index adapter then we multiplex writes
+            doc_obj = BulkActionItem.index(doc)
+            payload = [self._render_bulk_action(doc_obj), sub_index_adapter._render_bulk_action(doc_obj)]
+            return self._bulk(payload, refresh=refresh, raise_errors=True)
+        # If adapter is None then simply index the docs
+        super().index(doc, refresh=refresh)
+
+    def bulk(self, actions, refresh=False, raise_errors=True):
+        """
+        Iterates over the list of actions and multiplexes writes to a sub index based on the domain of the doc.
+        """
+        payload = []
+        for action in actions:
+            payload.append(self._render_bulk_action(action))
+            adapter = multiplex_to_adapter(self._get_domain_from_doc(action.doc))
+            if adapter:
+                payload.append(adapter._render_bulk_action(action))
+        return self._bulk(payload, refresh=refresh, raise_errors=raise_errors)
+
 
 case_search_adapter = create_document_adapter(
     ElasticCaseSearch,
@@ -183,6 +221,18 @@ def _from_dict(self, case):
 )
 
 
+def multiplex_to_adapter(domain):
+    """
+    Reads `CASE_SEARCH_SUB_INDICES` from settings to see if we should multiplex writes for case_search index.
+    Returns the appropriate adapter based on the domain passed.
+    """
+    multiplex_info = settings.CASE_SEARCH_SUB_INDICES
+    domain_multiplex_settings = multiplex_info.get(domain, None)
+    if domain_multiplex_settings and domain_multiplex_settings.get('multiplex_writes'):
+        return doc_adapter_from_cname(domain_multiplex_settings['index_cname'])
+    return None
+
+
 def case_property_query(case_property_name, value, fuzzy=False, multivalue_mode=None,
                         fuzzy_prefix_length=None):
     """

corehq/apps/es/client.py

@@ -30,6 +30,7 @@
 )
 
 from .const import (
+    HQ_CASE_SEARCH_INDEX_CANONICAL_NAME,
     INDEX_CONF_REINDEX,
     INDEX_CONF_STANDARD,
     SCROLL_KEEPALIVE,
@@ -1155,6 +1156,12 @@ def scroll(self, *args, **kw):
     def search(self, *args, **kw):
         return self.primary.search(*args, **kw)
 
+    def _get_case_search_sub_index_docs(self, action):
+        from corehq.apps.es.case_search import multiplex_to_adapter
+        if self.canonical_name == HQ_CASE_SEARCH_INDEX_CANONICAL_NAME:
+            sub_index_adapter = multiplex_to_adapter(self.primary._get_domain_from_doc(action.doc))
+            return sub_index_adapter._render_bulk_action(action) if sub_index_adapter else None
+
     # Elastic index write methods (multiplexed between both adapters)
     def bulk(self, actions, refresh=False, raise_errors=True):
         """Apply bulk actions on the primary and secondary.
@@ -1189,6 +1196,10 @@ def bulk(self, actions, refresh=False, raise_errors=True):
                     )
                 else:
                     payload.append(self.secondary._render_bulk_action(action))
+                    sub_index_docs = self._get_case_search_sub_index_docs(action)
+                    if sub_index_docs:
+                        payload.append(sub_index_docs)
+
             _, chunk_errs = bulk(self._es, payload, chunk_size=len(payload),
                                  refresh=refresh, raise_on_error=False,
                                  raise_on_exception=raise_errors)

corehq/apps/es/tests/test_case_search_adapter.py

@@ -1,6 +1,19 @@
+from unittest.mock import patch
+
 from django.test import TestCase
 
-from corehq.apps.es.case_search import case_search_adapter
+from corehq.apps.es import const
+from corehq.apps.es.case_search import (
+    BulkActionItem,
+    ElasticCaseSearch,
+    case_search_adapter,
+)
+from corehq.apps.es.case_search_bha import case_search_bha_adapter
+from corehq.apps.es.client import (
+    ElasticMultiplexAdapter,
+    create_document_adapter,
+)
+from corehq.apps.es.migration_operations import CreateIndex
 from corehq.apps.es.tests.utils import es_test
 from corehq.form_processor.tests.utils import create_case
 
@@ -43,3 +56,169 @@ def test_index_can_handle_case_objects(self):
         es_case = case_search_adapter.search({})['hits']['hits'][0]['_source']
         es_case.pop('@indexed_on')
         self.assertEqual(es_case, case)
+
+
+@es_test(requires=[case_search_adapter, case_search_bha_adapter], setup_class=True)
+class TestCaseSearchAdapterAlsoWritesToAnotherIndex(TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.domain = 'casesearch-dual-writetests'
+        cls.case = create_case(cls.domain, save=True)
+        cls.bulk_cases = [
+            create_case(cls.domain, save=True).to_json()
+            for i in range(2)
+        ]
+        cls.bulk_index_actions = [
+            BulkActionItem.index(case)
+            for case in cls.bulk_cases
+        ]
+        cls.bulk_delete_actions = [
+            BulkActionItem.delete(case)
+            for case in cls.bulk_cases
+        ]
+
+    def _get_normalized_cases_from_hits(self, cases):
+        normalised_cases = []
+        for hit in cases['hits']['hits']:
+            normalised_case = self._normalise_case(hit['_source'])
+            normalised_cases.append(normalised_case)
+        return normalised_cases
+
+    def _normalise_case(self, case):
+        case.pop('@indexed_on')
+        return case
+
+    def test_index_writes_to_both_adapters(self):
+        with patch('corehq.apps.es.case_search.multiplex_to_adapter', return_value=case_search_bha_adapter):
+            case_search_adapter.index(self.case, refresh=True)
+            self.addCleanup(case_search_bha_adapter.delete, self.case.case_id)
+            self.addCleanup(case_search_adapter.delete, self.case.case_id)
+
+        docs_in_bha = self._get_normalized_cases_from_hits(case_search_bha_adapter.search({}))
+        docs_in_case_search = self._get_normalized_cases_from_hits(case_search_adapter.search({}))
+
+        self.assertEqual(docs_in_bha, docs_in_case_search)
+
+    def test_index_not_writes_to_bha_adapter_if_not_required(self):
+        with patch('corehq.apps.es.case_search.multiplex_to_adapter', return_value=None):
+            case_search_adapter.index(self.case, refresh=True)
+            self.addCleanup(case_search_adapter.delete, self.case.case_id)
+
+        docs_in_bha = self._get_normalized_cases_from_hits(case_search_bha_adapter.search({}))
+        docs_in_case_search = self._get_normalized_cases_from_hits(case_search_adapter.search({}))
+
+        self.assertEqual(docs_in_bha, [])
+        self.assertEqual(len(docs_in_case_search), 1)
+
+    def test_bulk_with_bha_mutliplexing(self):
+        with patch('corehq.apps.es.case_search.multiplex_to_adapter', return_value=case_search_bha_adapter):
+            case_search_adapter.bulk(self.bulk_index_actions, refresh=True)
+
+        # Cleanup
+        self.addCleanup(case_search_adapter.bulk, self.bulk_delete_actions, refresh=True)
+        self.addCleanup(case_search_bha_adapter.bulk, self.bulk_delete_actions, refresh=True)
+
+        docs_in_bha = self._get_normalized_cases_from_hits(case_search_bha_adapter.search({}))
+        docs_in_case_search = self._get_normalized_cases_from_hits(case_search_adapter.search({}))
+
+        self.assertEqual(docs_in_bha, docs_in_case_search)
+        self.assertEqual(len(docs_in_case_search), 2)
+
+    def test_bulk_without_bha_mutliplexing(self):
+        with patch('corehq.apps.es.case_search.multiplex_to_adapter', return_value=None):
+            case_search_adapter.bulk(self.bulk_index_actions, refresh=True)
+
+        # Cleanup
+        self.addCleanup(case_search_adapter.bulk, self.bulk_delete_actions, refresh=True)
+
+        docs_in_bha = self._get_normalized_cases_from_hits(case_search_bha_adapter.search({}))
+        docs_in_case_search = self._get_normalized_cases_from_hits(case_search_adapter.search({}))
+
+        self.assertEqual(docs_in_bha, [])
+        self.assertEqual(
+            {case["case_id"] for case in self.bulk_cases},
+            {case["_id"] for case in docs_in_case_search}
+        )
+
+    @patch.object(const, 'ES_CASE_SEARCH_INDEX_MULTIPLEXED', True)
+    @patch('corehq.apps.es.case_search.multiplex_to_adapter', return_value=case_search_bha_adapter)
+    def test_index_with_multiplexed_adapter(self, _):
+        SECONDARY_INDEX = 'test_secondary_case_search_index'
+        index_create_op = CreateIndex(
+            SECONDARY_INDEX,
+            case_search_adapter.type,
+            case_search_adapter.mapping,
+            case_search_adapter.analysis,
+            case_search_adapter.settings_key,
+        )
+        index_create_op.run()
+        self.addCleanup(index_create_op.reverse_run)
+        cs_multiplex_adapter = create_document_adapter(
+            ElasticCaseSearch,
+            const.HQ_CASE_SEARCH_INDEX_NAME,
+            case_search_adapter.type,
+            # create document adapter appends test_ to the index name
+            secondary=SECONDARY_INDEX[5:]
+        )
+
+        # Test we are using the multiplex adapter
+        self.assertTrue(isinstance(cs_multiplex_adapter, ElasticMultiplexAdapter))
+
+        # Index the case in ES
+        cs_multiplex_adapter.index(self.case, refresh=True)
+        self.addCleanup(case_search_adapter.delete, self.case.case_id)
+        self.addCleanup(case_search_bha_adapter.delete, self.case.case_id, refresh=True)
+
+        # Test index writes to all three indices i.e
+        # primary, secondary and sub index
+        docs_in_bha = self._get_normalized_cases_from_hits(case_search_bha_adapter.search({}))
+        docs_in_case_search = self._get_normalized_cases_from_hits(case_search_adapter.search({}))
+        docs_in_secondary_case_search = self._get_normalized_cases_from_hits(
+            cs_multiplex_adapter.secondary.search({})
+        )
+
+        self.assertEqual(len(docs_in_case_search), 1)
+        self.assertEqual(docs_in_bha, docs_in_case_search)
+        self.assertEqual(docs_in_secondary_case_search, docs_in_case_search)
+
+    @patch.object(const, 'ES_CASE_SEARCH_INDEX_MULTIPLEXED', True)
+    @patch('corehq.apps.es.case_search.multiplex_to_adapter', return_value=None)
+    def test_index_with_multiplexed_adapter_without_sub_index_settings(self, _):
+        SECONDARY_INDEX = 'test_secondary_case_search_index'
+        index_create_op = CreateIndex(
+            SECONDARY_INDEX,
+            case_search_adapter.type,
+            case_search_adapter.mapping,
+            case_search_adapter.analysis,
+            case_search_adapter.settings_key,
+        )
+        index_create_op.run()
+        self.addCleanup(index_create_op.reverse_run)
+        cs_multiplex_adapter = create_document_adapter(
+            ElasticCaseSearch,
+            const.HQ_CASE_SEARCH_INDEX_NAME,
+            case_search_adapter.type,
+            # create document adapter appends test_ to the index name
+            secondary=SECONDARY_INDEX[5:]
+        )
+
+        # Test we are using the multiplex adapter
+        self.assertTrue(isinstance(cs_multiplex_adapter, ElasticMultiplexAdapter))
+
+        # Index the case in ES
+        cs_multiplex_adapter.index(self.case, refresh=True)
+        self.addCleanup(case_search_adapter.delete, self.case.case_id)
+
+        docs_in_bha = self._get_normalized_cases_from_hits(case_search_bha_adapter.search({}))
+        docs_in_case_search = self._get_normalized_cases_from_hits(case_search_adapter.search({}))
+        docs_in_secondary_case_search = self._get_normalized_cases_from_hits(
+            cs_multiplex_adapter.secondary.search({})
+        )
+
+        # Test index writes to only two indices i.e
+        # primary and secondary
+        self.assertEqual(docs_in_bha, [])
+        self.assertEqual(len(docs_in_case_search), 1)
+        self.assertEqual(docs_in_secondary_case_search, docs_in_case_search)

corehq/ex-submodules/pillowtop/processors/elastic.py

@@ -4,6 +4,10 @@
 
 from django.conf import settings
 
+from dimagi.utils.logging import notify_error
+
+from corehq.apps.es.case_search import multiplex_to_adapter
+from corehq.apps.es.const import HQ_CASE_SEARCH_INDEX_CANONICAL_NAME
 from pillowtop.exceptions import BulkDocException, PillowtopIndexingError
 from pillowtop.logger import pillow_logging
 from pillowtop.utils import (
@@ -68,20 +72,24 @@ def process_change(self, change):
 
         if change.deleted and change.id:
             doc = change.get_document()
+            domain = doc.get('domain') if doc else None
+            if not domain:
+                meta = getattr(change, 'metadata', None)
+                domain = meta.domain if meta else None
             if doc and doc.get('doc_type'):
                 logger.info(
                     f'[process_change] Attempting to delete doc {change.id}')
                 current_meta = get_doc_meta_object_from_document(doc)
                 if current_meta.is_deletion:
-                    self._delete_doc_if_exists(change.id)
+                    self._delete_doc_if_exists(change.id, domain=domain)
                     logger.info(
                         f"[process_change] Deleted doc {change.id}")
                 else:
                     logger.info(
                         f"[process_change] Not deleting doc {change.id} "
                         "because current_meta.is_deletion is false")
             else:
-                self._delete_doc_if_exists(change.id)
+                self._delete_doc_if_exists(change.id, domain=domain)
                 logger.info(
                     f"[process_change] Deleted doc {change.id}")
             return
@@ -97,7 +105,7 @@ def process_change(self, change):
                 return
 
             if doc.get('doc_type') is not None and doc['doc_type'].endswith("-Deleted"):
-                self._delete_doc_if_exists(change.id)
+                self._delete_doc_if_exists(change.id, domain=doc.get('domain'))
                 return
 
         # send it across
@@ -109,7 +117,18 @@ def process_change(self, change):
                 data=doc,
             )
 
-    def _delete_doc_if_exists(self, doc_id):
+    def _delete_doc_if_exists(self, doc_id, domain=None):
+        if self.adapter.canonical_name == HQ_CASE_SEARCH_INDEX_CANONICAL_NAME:
+            if domain:
+                sub_index_adapter = multiplex_to_adapter(domain)
+                if sub_index_adapter:
+                    send_to_elasticsearch(
+                        doc_id=doc_id, adapter=sub_index_adapter,
+                        name='ElasticProcessor', delete=True
+                    )
+            else:
+                notify_error(f"Domain not specified when deleting case {doc_id} from case search index")
+
         send_to_elasticsearch(
             doc_id=doc_id,
             adapter=self.adapter,

settings.py

@@ -1076,6 +1076,17 @@ def _pkce_required(client_id):
 # used to override low-level index settings (number_of_replicas, number_of_shards, etc)
 ES_SETTINGS = None
 
+"""
+The CASE_SEARCH_SUB_INDICES should look like this:
+{
+    'co-carecoordination-perf': {
+        'index_cname': 'case_search_bha',
+        'multiplex_writes': True,
+    }
+}
+"""
+CASE_SEARCH_SUB_INDICES = {}
+
 PHI_API_KEY = None
 PHI_PASSWORD = None