opendal/services/hdfs_native/
config.rs1use std::fmt::Debug;
19use std::fmt::Formatter;
20
21use super::backend::HdfsNativeBuilder;
22use serde::Deserialize;
23use serde::Serialize;
24
25#[derive(Default, Serialize, Deserialize, Clone, PartialEq, Eq)]
27#[serde(default)]
28#[non_exhaustive]
29pub struct HdfsNativeConfig {
30 pub root: Option<String>,
32 pub name_node: Option<String>,
34 pub enable_append: bool,
36}
37
38impl Debug for HdfsNativeConfig {
39 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
40 f.debug_struct("HdfsNativeConfig")
41 .field("root", &self.root)
42 .field("name_node", &self.name_node)
43 .field("enable_append", &self.enable_append)
44 .finish_non_exhaustive()
45 }
46}
47
48impl crate::Configurator for HdfsNativeConfig {
49 type Builder = HdfsNativeBuilder;
50
51 fn from_uri(uri: &crate::types::OperatorUri) -> crate::Result<Self> {
52 let authority = uri.authority().ok_or_else(|| {
53 crate::Error::new(crate::ErrorKind::ConfigInvalid, "uri authority is required")
54 .with_context("service", crate::Scheme::HdfsNative)
55 })?;
56
57 let mut map = uri.options().clone();
58 map.insert("name_node".to_string(), format!("hdfs://{authority}"));
59
60 if let Some(root) = uri.root() {
61 if !root.is_empty() {
62 map.insert("root".to_string(), root.to_string());
63 }
64 }
65
66 Self::from_iter(map)
67 }
68
69 fn into_builder(self) -> Self::Builder {
70 HdfsNativeBuilder { config: self }
71 }
72}
73
74#[cfg(test)]
75mod tests {
76 use super::*;
77 use crate::Configurator;
78 use crate::types::OperatorUri;
79
80 #[test]
81 fn from_uri_sets_name_node_and_root() {
82 let uri = OperatorUri::new(
83 "hdfs-native://namenode:9000/user/project",
84 Vec::<(String, String)>::new(),
85 )
86 .unwrap();
87
88 let cfg = HdfsNativeConfig::from_uri(&uri).unwrap();
89 assert_eq!(cfg.name_node.as_deref(), Some("hdfs://namenode:9000"));
90 assert_eq!(cfg.root.as_deref(), Some("user/project"));
91 }
92}