Re-initialize search index when recreating is failed

This commit is contained in:
Kitaiti Makoto 2020-07-18 21:00:58 +09:00
parent 50753b3a65
commit 5fc827c1c9

23
src/main.rs Normal file → Executable file
View File

@ -10,6 +10,7 @@ extern crate serde_json;
#[macro_use]
extern crate validator_derive;
use chrono::Utc;
use clap::App;
use diesel::r2d2::ConnectionManager;
use plume_models::{
@ -21,6 +22,8 @@ use plume_models::{
};
use rocket_csrf::CsrfFairingBuilder;
use scheduled_thread_pool::ScheduledThreadPool;
use std::fs;
use std::path::Path;
use std::process::exit;
use std::sync::{Arc, Mutex};
use std::time::Duration;
@ -102,7 +105,25 @@ Then try to restart Plume.
UnmanagedSearcher::open(&CONFIG.search_index, &CONFIG.search_tokenizers);
if let Err(Error::Search(SearcherError::InvalidIndexDataError)) = open_searcher {
UnmanagedSearcher::create(&CONFIG.search_index, &CONFIG.search_tokenizers)
.expect("main: recreating search index error. Try backing up search index, removing it and running `plm search init`");
.or_else(|_| {
let current_path = Path::new(&CONFIG.search_index);
let backup_path = format!("{}.{}", &current_path.display(), Utc::now().timestamp());
let backup_path = Path::new(&backup_path);
fs::rename(current_path, backup_path)
.expect("main: error on backing up search index directory for recreating");
UnmanagedSearcher::create(&CONFIG.search_index, &CONFIG.search_tokenizers).and_then(
|searcher| {
if fs::remove_dir_all(backup_path).is_err() {
eprintln!(
"error on removing backup directory: {}. it remains",
backup_path.display()
);
}
Ok(searcher)
},
)
})
.expect("main: error on recreating search index in new index format");
open_searcher = UnmanagedSearcher::open(&CONFIG.search_index, &CONFIG.search_tokenizers);
}
#[allow(clippy::match_wild_err_arm)]