opendal/services/cacache/
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 serde::Deserialize;
19use serde::Serialize;
20
21use super::backend::CacacheBuilder;
22
23/// cacache service support.
24#[derive(Default, Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
25pub struct CacacheConfig {
26    /// That path to the cacache data directory.
27    pub datadir: Option<String>,
28}
29
30impl crate::Configurator for CacacheConfig {
31    type Builder = CacacheBuilder;
32    fn from_uri(uri: &crate::types::OperatorUri) -> crate::Result<Self> {
33        let mut map = uri.options().clone();
34
35        if let Some(root) = uri.root() {
36            if !root.is_empty() {
37                map.entry("datadir".to_string())
38                    .or_insert_with(|| format!("/{root}"));
39            }
40        }
41
42        Self::from_iter(map)
43    }
44
45    fn into_builder(self) -> Self::Builder {
46        CacacheBuilder { config: self }
47    }
48}
49
50#[cfg(test)]
51mod tests {
52    use super::*;
53    use crate::Configurator;
54    use crate::types::OperatorUri;
55
56    #[test]
57    fn from_uri_sets_datadir_from_authority() {
58        let uri = OperatorUri::new(
59            "cacache:///var/cache/opendal",
60            Vec::<(String, String)>::new(),
61        )
62        .unwrap();
63
64        let cfg = CacacheConfig::from_uri(&uri).unwrap();
65        assert_eq!(cfg.datadir.as_deref(), Some("/var/cache/opendal"));
66    }
67
68    #[test]
69    fn from_uri_falls_back_to_path() {
70        let uri = OperatorUri::new("cacache:///tmp/cache", Vec::<(String, String)>::new()).unwrap();
71
72        let cfg = CacacheConfig::from_uri(&uri).unwrap();
73        assert_eq!(cfg.datadir.as_deref(), Some("/tmp/cache"));
74    }
75}
opendal/services/cacache/config.rs

opendal/services/cacache/
config.rs
