opendal_core/services/lakefs/
writer.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::sync::Arc;
19
20use bytes::Buf;
21use http::StatusCode;
22
23use super::core::LakefsCore;
24use super::core::LakefsStatus;
25use super::error::parse_error;
26use crate::raw::*;
27use crate::*;
28
29pub struct LakefsWriter {
30    core: Arc<LakefsCore>,
31    op: OpWrite,
32    path: String,
33}
34
35impl LakefsWriter {
36    pub fn new(core: Arc<LakefsCore>, path: String, op: OpWrite) -> Self {
37        LakefsWriter { core, path, op }
38    }
39}
40
41impl oio::OneShotWrite for LakefsWriter {
42    async fn write_once(&self, bs: Buffer) -> Result<Metadata> {
43        let resp = self.core.upload_object(&self.path, &self.op, bs).await?;
44
45        let status = resp.status();
46
47        match status {
48            StatusCode::CREATED | StatusCode::OK => {
49                let body = resp.into_body();
50                let body_bytes = body.to_bytes();
51
52                // Try to parse metadata from upload response body
53                match serde_json::from_slice::<LakefsStatus>(&body_bytes) {
54                    Ok(lakefs_status) => {
55                        // Successfully parsed ObjectStats from upload response
56                        Ok(LakefsCore::parse_lakefs_status_into_metadata(
57                            &lakefs_status,
58                        ))
59                    }
60                    Err(_) => {
61                        // Upload response doesn't contain ObjectStats, fetch via stat API
62                        let stat_resp = self.core.get_object_metadata(&self.path).await?;
63
64                        match stat_resp.status() {
65                            StatusCode::OK => {
66                                let lakefs_status: LakefsStatus =
67                                    serde_json::from_reader(stat_resp.into_body().reader())
68                                        .map_err(new_json_deserialize_error)?;
69
70                                Ok(LakefsCore::parse_lakefs_status_into_metadata(
71                                    &lakefs_status,
72                                ))
73                            }
74                            _ => Err(parse_error(stat_resp)),
75                        }
76                    }
77                }
78            }
79            _ => Err(parse_error(resp)),
80        }
81    }
82}
opendal_core/services/lakefs/writer.rs

opendal_core/services/lakefs/
writer.rs
