risingwave_object_store/object/opendal_engine/
gcs.rs

1// Copyright 2025 RisingWave Labs
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use std::sync::Arc;
16
17use opendal::Operator;
18use opendal::layers::LoggingLayer;
19use opendal::services::Gcs;
20use risingwave_common::config::ObjectStoreConfig;
21
22use super::{MediaType, OpendalObjectStore};
23use crate::object::ObjectResult;
24use crate::object::object_metrics::ObjectStoreMetrics;
25
26impl OpendalObjectStore {
27    /// create opendal gcs engine.
28    pub fn new_gcs_engine(
29        bucket: String,
30        root: String,
31        config: Arc<ObjectStoreConfig>,
32        metrics: Arc<ObjectStoreMetrics>,
33    ) -> ObjectResult<Self> {
34        // Create gcs backend builder.
35        let mut builder = Gcs::default().bucket(&bucket).root(&root);
36
37        // if credential env is set, use it. Otherwise, ADC will be used.
38        let cred = std::env::var("GOOGLE_APPLICATION_CREDENTIALS");
39        if let Ok(cred) = cred {
40            builder = builder.credential(&cred);
41        }
42
43        let op: Operator = Operator::new(builder)?
44            .layer(LoggingLayer::default())
45            .finish();
46        Ok(Self {
47            op,
48            media_type: MediaType::Gcs,
49            config,
50            metrics,
51        })
52    }
53}