Improve config file handling
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Signed-off-by: Jacob Kiers <code@kiers.eu>
This commit is contained in:
parent
ee67f7883e
commit
9d9f89881d
44
src/main.rs
44
src/main.rs
@ -7,11 +7,19 @@ use crate::config::ConfigV1;
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use crate::servers::Server;
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use log::{debug, error};
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use std::env;
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use std::path::Path;
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use std::path::PathBuf;
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fn main() {
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let config_path = find_config();
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let config_path = match find_config() {
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Ok(p) => p,
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Err(paths) => {
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println!("Could not find config file. Tried paths:");
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for p in paths {
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println!("- {}", p);
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}
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std::process::exit(1);
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}
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};
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let config = match ConfigV1::new(&config_path) {
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Ok(config) => config,
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@ -29,16 +37,28 @@ fn main() {
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error!("Server ended with errors");
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}
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fn find_config() -> String {
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let config_path = env::var("L4P_CONFIG").unwrap_or_else(|_| "/etc/l4p/l4p.yaml".to_string());
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fn find_config() -> Result<String, Vec<String>> {
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let possible_paths = ["/etc/l4p", ""];
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let possible_names = ["l4p.yaml", "config.yaml"];
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if Path::new(&config_path).exists() {
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return config_path;
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let mut tried_paths = Vec::<String>::new();
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for path in possible_paths
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.iter()
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.flat_map(|&path| {
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possible_names
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.iter()
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.map(move |&file| PathBuf::new().join(path).join(file))
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})
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.collect::<Vec<PathBuf>>()
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{
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let path_str = path.to_string_lossy().to_string();
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if path.exists() {
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return Ok(path_str);
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}
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tried_paths.push(path_str);
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}
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if Path::new("config.yaml").exists() {
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return String::from("config.yaml");
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}
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String::from("")
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Err(tried_paths)
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}
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