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authorMendes <mendes.oulamara@pm.me>2022-10-04 18:14:49 +0200
committerMendes <mendes.oulamara@pm.me>2022-10-04 18:14:49 +0200
commit829f815a897b04986559910bbcbf53625adcdf20 (patch)
tree6db3c27cff2aded754a641d1f2b05c83be701267 /src/db/bin/convert.rs
parent99f96b9564c9c841dc6c56f1255a6e70ff884d46 (diff)
parenta096ced35562bd0a8877a1ee2f755be1edafe343 (diff)
downloadgarage-829f815a897b04986559910bbcbf53625adcdf20.tar.gz
garage-829f815a897b04986559910bbcbf53625adcdf20.zip
Merge remote-tracking branch 'origin/main' into optimal-layout
Diffstat (limited to 'src/db/bin/convert.rs')
-rw-r--r--src/db/bin/convert.rs69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/db/bin/convert.rs b/src/db/bin/convert.rs
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+use std::path::PathBuf;
+
+use garage_db::*;
+
+use clap::Parser;
+
+/// K2V command line interface
+#[derive(Parser, Debug)]
+#[clap(author, version, about, long_about = None)]
+struct Args {
+ /// Input DB path
+ #[clap(short = 'i')]
+ input_path: PathBuf,
+ /// Input DB engine
+ #[clap(short = 'a')]
+ input_engine: String,
+
+ /// Output DB path
+ #[clap(short = 'o')]
+ output_path: PathBuf,
+ /// Output DB engine
+ #[clap(short = 'b')]
+ output_engine: String,
+}
+
+fn main() {
+ let args = Args::parse();
+ pretty_env_logger::init();
+
+ match do_conversion(args) {
+ Ok(()) => println!("Success!"),
+ Err(e) => eprintln!("Error: {}", e),
+ }
+}
+
+fn do_conversion(args: Args) -> Result<()> {
+ let input = open_db(args.input_path, args.input_engine)?;
+ let output = open_db(args.output_path, args.output_engine)?;
+ output.import(&input)?;
+ Ok(())
+}
+
+fn open_db(path: PathBuf, engine: String) -> Result<Db> {
+ match engine.as_str() {
+ "sled" => {
+ let db = sled_adapter::sled::Config::default().path(&path).open()?;
+ Ok(sled_adapter::SledDb::init(db))
+ }
+ "sqlite" | "sqlite3" | "rusqlite" => {
+ let db = sqlite_adapter::rusqlite::Connection::open(&path)?;
+ Ok(sqlite_adapter::SqliteDb::init(db))
+ }
+ "lmdb" | "heed" => {
+ std::fs::create_dir_all(&path).map_err(|e| {
+ Error(format!("Unable to create LMDB data directory: {}", e).into())
+ })?;
+
+ let map_size = lmdb_adapter::recommended_map_size();
+
+ let db = lmdb_adapter::heed::EnvOpenOptions::new()
+ .max_dbs(100)
+ .map_size(map_size)
+ .open(&path)
+ .unwrap();
+ Ok(lmdb_adapter::LmdbDb::init(db))
+ }
+ e => Err(Error(format!("Invalid DB engine: {}", e).into())),
+ }
+}