View an Atlas Search Index

#include <mongoc/mongoc.h>
#include <stdlib.h>
int main (void)
{
    mongoc_client_t *client = NULL;
    mongoc_collection_t *collection = NULL;
    mongoc_database_t *database = NULL;
    bson_error_t error;
    bson_t cmd = BSON_INITIALIZER;
    bool ok = true;
    bson_t pipeline = BSON_INITIALIZER;
    mongoc_cursor_t *cursor = NULL;
    mongoc_init();
    // Connect to your Atlas deployment
    client = mongoc_client_new("<connectionString>");
    if (!client) {
        fprintf(stderr, "Failed to create a MongoDB client.\n");
        ok = false;
        goto cleanup;
    }
    // Access your database and collection
    database = mongoc_client_get_database(client, "<databaseName>");
    collection = mongoc_database_get_collection(database, "<collectionName>");
    // Create an aggregation pipeline with the $listSearchIndexes stage
    const char *pipeline_str =
        BSON_STR ({"pipeline" : [ {"$listSearchIndexes" : {}} ]});
    // Convert your aggregation pipeline to BSON
    if (!bson_init_from_json(&pipeline, pipeline_str, -1, &error)) {
        fprintf(stderr, "Failed to parse command: %s\n", error.message);
        ok = false;
        goto cleanup;
    }
    // Run the aggregation operation and iterate through the indexes returned
    cursor = mongoc_collection_aggregate (collection,
                                    MONGOC_QUERY_NONE,
                                    &pipeline,
                                    NULL,
                                    NULL);
    const bson_t *got;
    char *str;
    
    while (mongoc_cursor_next (cursor, &got)) {
      str = bson_as_canonical_extended_json (got, NULL);
      printf ("%s\n", str);
      bson_free (str);
   }
   if (mongoc_cursor_error (cursor, &error)) {
      fprintf (stderr, "Failed to iterate all documents: %s\n", error.message);
      ok = false;
      goto cleanup;
   }
cleanup:
    mongoc_cursor_destroy(cursor);
    mongoc_collection_destroy(collection);
    mongoc_database_destroy(database);
    mongoc_client_destroy(client);
    bson_destroy(&pipeline);
    bson_destroy(&cmd);
   mongoc_cleanup ();
   return ok ? EXIT_SUCCESS : EXIT_FAILURE;
}

gcc -o view-index view-index.c $(pkg-config --libs --cflags libmongoc-1.0)
./view-index

#include <bsoncxx/json.hpp>
#include <mongocxx/client.hpp>
#include <mongocxx/instance.hpp>
#include <mongocxx/search_index_view.hpp>
using namespace mongocxx;
int main()
{ 
    mongocxx::instance instance{};
    try
    {
        // Connect to your Atlas deployment
        mongocxx::uri uri("<connectionString>");
        mongocxx::client client(uri); 
        // Access your database and collection
        auto db = client["<databaseName>"];
        auto collection = db["<collectionName>"];
        // Access and print the indexes in your collection
        auto siv = collection.search_indexes();
        auto cursor = siv.list();
        for (auto&& doc : cursor) {
            std::cout << bsoncxx::to_json(doc) << std::endl;
        };
    }
    catch (const std::exception& e) 
    {
        std::cout<< "Exception: " << e.what() << std::endl;
    }
    return 0;
}

g++ -o view-index view-index.cpp $(pkg-config --cflags --libs libmongocxx)
./view-index

from pymongo.mongo_client import MongoClient
def view_index():
    # Connect to your Atlas deployment
    uri = "<connectionString>"
    client = MongoClient(uri)
    # Access your database and collection
    database = client["<databaseName>"]
    collection = database["<collectionName>"]
    # Get a list of the collection's search indexes and print them
    cursor = collection.list_search_indexes()
    for index in cursor:
        print(index)

python view-index.py