[MM-20979] Add first implementation of the Bleve search engine (#14562)

* [MM-20979] Add first implementation of the Bleve search engine

* Fix i18n

* Migrate searchengine utils tests

* Fix linter

* Don't add allTermsQ if both termQueries and notTermQueries are empty

* Fix test that should work if user is system admin

* Modify naming according to review comments

* Abstract getIndexDir function

* Extracting bleve engine name as a constant

* Merge both Indexer interfaces into one

* Add worker stopped message

* Allow worker to be started/stopped with config change

* Use constants for index names

* Modify test order

* Fix linter

* Trying to unlock the CI

vendor/github.com/blevesearch/bleve/mapping.go

@@ -0,0 +1,65 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bleve
+
+import "github.com/blevesearch/bleve/mapping"
+
+// NewIndexMapping creates a new IndexMapping that will use all the default indexing rules
+func NewIndexMapping() *mapping.IndexMappingImpl {
+	return mapping.NewIndexMapping()
+}
+
+// NewDocumentMapping returns a new document mapping
+// with all the default values.
+func NewDocumentMapping() *mapping.DocumentMapping {
+	return mapping.NewDocumentMapping()
+}
+
+// NewDocumentStaticMapping returns a new document
+// mapping that will not automatically index parts
+// of a document without an explicit mapping.
+func NewDocumentStaticMapping() *mapping.DocumentMapping {
+	return mapping.NewDocumentStaticMapping()
+}
+
+// NewDocumentDisabledMapping returns a new document
+// mapping that will not perform any indexing.
+func NewDocumentDisabledMapping() *mapping.DocumentMapping {
+	return mapping.NewDocumentDisabledMapping()
+}
+
+// NewTextFieldMapping returns a default field mapping for text
+func NewTextFieldMapping() *mapping.FieldMapping {
+	return mapping.NewTextFieldMapping()
+}
+
+// NewNumericFieldMapping returns a default field mapping for numbers
+func NewNumericFieldMapping() *mapping.FieldMapping {
+	return mapping.NewNumericFieldMapping()
+}
+
+// NewDateTimeFieldMapping returns a default field mapping for dates
+func NewDateTimeFieldMapping() *mapping.FieldMapping {
+	return mapping.NewDateTimeFieldMapping()
+}
+
+// NewBooleanFieldMapping returns a default field mapping for booleans
+func NewBooleanFieldMapping() *mapping.FieldMapping {
+	return mapping.NewBooleanFieldMapping()
+}
+
+func NewGeoPointFieldMapping() *mapping.FieldMapping {
+	return mapping.NewGeoPointFieldMapping()
+}