opendal/services/dbfs/
config.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::fmt::Debug;
19
20use serde::Deserialize;
21use serde::Serialize;
22
23use super::DBFS_SCHEME;
24use super::backend::DbfsBuilder;
25
26/// [Dbfs](https://docs.databricks.com/api/azure/workspace/dbfs)'s REST API support.
27#[derive(Default, Serialize, Deserialize, Clone, PartialEq, Eq)]
28pub struct DbfsConfig {
29    /// The root for dbfs.
30    pub root: Option<String>,
31    /// The endpoint for dbfs.
32    pub endpoint: Option<String>,
33    /// The token for dbfs.
34    pub token: Option<String>,
35}
36
37impl Debug for DbfsConfig {
38    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
39        f.debug_struct("DbfsConfig")
40            .field("root", &self.root)
41            .field("endpoint", &self.endpoint)
42            .finish_non_exhaustive()
43    }
44}
45
46impl crate::Configurator for DbfsConfig {
47    type Builder = DbfsBuilder;
48
49    fn from_uri(uri: &crate::types::OperatorUri) -> crate::Result<Self> {
50        let authority = uri.authority().ok_or_else(|| {
51            crate::Error::new(crate::ErrorKind::ConfigInvalid, "uri authority is required")
52                .with_context("service", DBFS_SCHEME)
53        })?;
54
55        let mut map = uri.options().clone();
56        map.insert("endpoint".to_string(), format!("https://{authority}"));
57
58        if let Some(root) = uri.root() {
59            if !root.is_empty() {
60                map.insert("root".to_string(), root.to_string());
61            }
62        }
63
64        Self::from_iter(map)
65    }
66
67    fn into_builder(self) -> Self::Builder {
68        DbfsBuilder { config: self }
69    }
70}
71
72#[cfg(test)]
73mod tests {
74    use super::*;
75    use crate::Configurator;
76    use crate::types::OperatorUri;
77
78    #[test]
79    fn from_uri_sets_endpoint_and_root() {
80        let uri = OperatorUri::new(
81            "dbfs://adb-1234567.azuredatabricks.net/api/2.0/dbfs/root",
82            Vec::<(String, String)>::new(),
83        )
84        .unwrap();
85
86        let cfg = DbfsConfig::from_uri(&uri).unwrap();
87        assert_eq!(
88            cfg.endpoint.as_deref(),
89            Some("https://adb-1234567.azuredatabricks.net")
90        );
91        assert_eq!(cfg.root.as_deref(), Some("api/2.0/dbfs/root"));
92    }
93}