Add OLake to README and Admin UI; fix catalog_olake path-style docs (#11858)

* README: mention OLake in the Iceberg lakehouse section

* catalog_olake: fix path-style prose; admin UI: list OLake as a REST catalog client

* admin UI: restore generated file import block, keep only the string change

---------

Co-authored-by: GAURI <174253719+gauriiiiiiiiiiii@users.noreply.github.com>

README.md

@@ -225,7 +225,7 @@ The full operation list is in [Amazon S3 API][AmazonS3API], and [Supported APIs
 
 SeaweedFS is a lakehouse in one system. [S3 Table Buckets][S3TableBucket] hold Apache Iceberg tables by default, or [Lance][LanceCatalog] tables for vectors and multimodal data, and the built-in [Iceberg REST Catalog][IcebergCatalog] and Lance namespace serve them directly. There is no Hive Metastore, Glue, or separate catalog service to deploy, secure, and back up.
 
-* Query engines operate on the same tables at the same time: [Spark][SparkIceberg], [Trino][TrinoIceberg], [Dremio][DremioIceberg], [DuckDB][DuckDBIceberg], [Apache Doris][DorisIceberg], [RisingWave][RisingWaveIceberg], ClickHouse, and [LanceDB][LanceDB]. Catalog commits are atomic compare-and-swap, so concurrent writers are safe. [Lakekeeper][Lakekeeper] can front the same storage with STS-vended credentials.
+* Query engines operate on the same tables at the same time: [Spark][SparkIceberg], [Trino][TrinoIceberg], [Dremio][DremioIceberg], [DuckDB][DuckDBIceberg], [Apache Doris][DorisIceberg], [RisingWave][RisingWaveIceberg], ClickHouse, and [LanceDB][LanceDB]. Catalog commits are atomic compare-and-swap, so concurrent writers are safe. [Lakekeeper][Lakekeeper] can front the same storage with STS-vended credentials. [OLake][OLake] replicates PostgreSQL, MySQL, and MongoDB into the same tables with change data capture.
 * [Automated table maintenance][IcebergMaintenance]: compaction, snapshot expiration, orphan file removal, and manifest rewriting, configured per bucket or table through the S3 Tables maintenance APIs, and the same for [Lance][LanceMaintenance].
 * IAM at the bucket, namespace, and table level with standard bucket policies, see [S3 Tables Security][S3TablesSecurity].
 * A [Hadoop compatible file system][Hadoop] for Spark, Flink, and HBase.
@@ -487,6 +487,7 @@ Your support will be really appreciated by me and other supporters!
 [RisingWaveIceberg]: https://github.com/seaweedfs/seaweedfs/wiki/RisingWave-Iceberg-Integration
 [LanceDB]: https://github.com/seaweedfs/seaweedfs/wiki/LanceDB-Integration
 [Lakekeeper]: https://github.com/seaweedfs/seaweedfs/wiki/Lakekeeper-Iceberg-Integration
+[OLake]: https://github.com/seaweedfs/seaweedfs/wiki/OLake-Iceberg-Integration
 [IcebergMaintenance]: https://github.com/seaweedfs/seaweedfs/wiki/Iceberg-Table-Maintenance
 [LanceMaintenance]: https://github.com/seaweedfs/seaweedfs/wiki/Lance-Maintenance-Worker
 [S3TablesSecurity]: https://github.com/seaweedfs/seaweedfs/wiki/S3-Tables-Security

test/s3tables/catalog_olake/README.md

@@ -3,7 +3,7 @@
 An integration test for [OLake](https://github.com/datazip-inc/olake) against
 SeaweedFS's Iceberg REST Catalog, in the same shape as `catalog_clickhouse`.
 
-## Why OLake, given we already test five engines
+## Why OLake, given we already test other engines
 
 Two things here are covered by nothing else in this directory.
 
@@ -73,8 +73,9 @@ Nothing in the destination config is SeaweedFS-specific:
 ```
 
 `catalog_type` is the generic `rest`, auth is the standard OAuth2
-client-credentials flow, and `s3_path_style` does not even need setting —
-OLake turns it on by itself whenever `s3_endpoint` is non-empty. As of
+client-credentials flow, and the test config sets `s3_path_style` explicitly;
+OLake also defaults to path style whenever `s3_endpoint` is non-empty, so
+either form works. As of
 OLake v0.10.1 this works with no change on either side.
 
 ## Running it

test/s3tables/catalog_olake/olake_catalog_test.go

@@ -376,8 +376,8 @@ func (env *TestEnvironment) execSQL(t *testing.T, sqlText string) {
 // writeOLakeConfigs writes the source and destination configs. The destination
 // is the point of this test: nothing in it is SeaweedFS-specific. catalog_type
 // is the generic "rest", auth is the standard OAuth2 client-credentials flow,
-// and path-style access is not even set here because OLake turns it on by
-// itself whenever s3_endpoint is non-empty.
+// and path-style access is set explicitly here; OLake also turns it on by
+// itself whenever s3_endpoint is non-empty, so either form works.
 func (env *TestEnvironment) writeOLakeConfigs(t *testing.T) {
 	t.Helper()
 

weed/admin/view/app/s3tables_buckets.templ

@@ -342,7 +342,7 @@ dataset = lance.dataset(table.location, storage_options=table.storage_options)`
 									}
 									<label class="btn btn-outline-primary w-100 text-start p-3" for="s3tablesBucketFormatIceberg">
 										<span class="d-block fw-semibold"><i class="bi bi-snow me-1"></i>Iceberg</span>
-										<span class="d-block small text-muted mt-1">Served over the Iceberg REST catalog. Spark, Trino, PyIceberg, DuckDB.</span>
+										<span class="d-block small text-muted mt-1">Served over the Iceberg REST catalog. Spark, Trino, PyIceberg, DuckDB, OLake Go.</span>
 									</label>
 								</div>
 								<div class="col-6">

weed/admin/view/app/s3tables_buckets_templ.go

@@ -636,7 +636,7 @@ dataset = lance.dataset(table.location, storage_options=table.storage_options)`)
 				return templ_7745c5c3_Err
 			}
 		}
-		templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 61, "<label class=\"btn btn-outline-primary w-100 text-start p-3\" for=\"s3tablesBucketFormatIceberg\"><span class=\"d-block fw-semibold\"><i class=\"bi bi-snow me-1\"></i>Iceberg</span> <span class=\"d-block small text-muted mt-1\">Served over the Iceberg REST catalog. Spark, Trino, PyIceberg, DuckDB.</span></label></div><div class=\"col-6\">")
+		templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 61, "<label class=\"btn btn-outline-primary w-100 text-start p-3\" for=\"s3tablesBucketFormatIceberg\"><span class=\"d-block fw-semibold\"><i class=\"bi bi-snow me-1\"></i>Iceberg</span> <span class=\"d-block small text-muted mt-1\">Served over the Iceberg REST catalog. Spark, Trino, PyIceberg, DuckDB, OLake Go.</span></label></div><div class=\"col-6\">")
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
 		}