mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-04 20:18:55 +01:00
Merge pull request #95 from meilisearch/helpers-crate
Introduce an helpers crate that export the database to stdout
This commit is contained in:
commit
5f109e8589
12
Cargo.lock
generated
12
Cargo.lock
generated
@ -859,6 +859,18 @@ dependencies = [
|
||||
"zerocopy",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "helpers"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"byte-unit",
|
||||
"heed",
|
||||
"milli",
|
||||
"stderrlog",
|
||||
"structopt",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hermit-abi"
|
||||
version = "0.1.18"
|
||||
|
@ -1,5 +1,5 @@
|
||||
[workspace]
|
||||
members = ["milli", "http-ui", "infos", "search"]
|
||||
members = ["milli", "http-ui", "infos", "helpers", "search"]
|
||||
default-members = ["milli"]
|
||||
|
||||
[profile.release]
|
||||
|
14
helpers/Cargo.toml
Normal file
14
helpers/Cargo.toml
Normal file
@ -0,0 +1,14 @@
|
||||
[package]
|
||||
name = "helpers"
|
||||
version = "0.1.0"
|
||||
authors = ["Clément Renault <clement@meilisearch.com>"]
|
||||
edition = "2018"
|
||||
|
||||
[dependencies]
|
||||
anyhow = "1.0.38"
|
||||
byte-unit = { version = "4.0.9", default-features = false, features = ["std"] }
|
||||
heed = "0.10.6"
|
||||
jemallocator = "0.3.2"
|
||||
milli = { path = "../milli" }
|
||||
stderrlog = "0.5.1"
|
||||
structopt = { version = "0.3.21", default-features = false }
|
86
helpers/src/main.rs
Normal file
86
helpers/src/main.rs
Normal file
@ -0,0 +1,86 @@
|
||||
use std::path::PathBuf;
|
||||
|
||||
use byte_unit::Byte;
|
||||
use heed::{Env, EnvOpenOptions, CompactionOption};
|
||||
use structopt::StructOpt;
|
||||
|
||||
use Command::*;
|
||||
|
||||
#[cfg(target_os = "linux")]
|
||||
#[global_allocator]
|
||||
static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
|
||||
|
||||
#[derive(Debug, StructOpt)]
|
||||
/// Some helpers commands for milli.
|
||||
pub struct Opt {
|
||||
/// The database path where the database is located.
|
||||
/// It is created if it doesn't already exist.
|
||||
#[structopt(long = "db", parse(from_os_str))]
|
||||
database: PathBuf,
|
||||
|
||||
/// The maximum size the database can take on disk. It is recommended to specify
|
||||
/// the whole disk space (value must be a multiple of a page size).
|
||||
#[structopt(long = "db-size", default_value = "100 GiB")]
|
||||
database_size: Byte,
|
||||
|
||||
/// Verbose mode (-v, -vv, -vvv, etc.)
|
||||
#[structopt(short, long, parse(from_occurrences))]
|
||||
verbose: usize,
|
||||
|
||||
#[structopt(subcommand)]
|
||||
command: Command,
|
||||
}
|
||||
|
||||
#[derive(Debug, StructOpt)]
|
||||
enum Command {
|
||||
/// Outputs the main LMDB database to stdout.
|
||||
CopyMainDatabase {
|
||||
/// Wether to enable or not the compaction of the database.
|
||||
#[structopt(long, short = "c")]
|
||||
enable_compaction: bool,
|
||||
},
|
||||
}
|
||||
|
||||
fn main() -> anyhow::Result<()> {
|
||||
let opt = Opt::from_args();
|
||||
|
||||
stderrlog::new()
|
||||
.verbosity(opt.verbose)
|
||||
.show_level(false)
|
||||
.timestamp(stderrlog::Timestamp::Off)
|
||||
.init()?;
|
||||
|
||||
let mut options = EnvOpenOptions::new();
|
||||
options.map_size(opt.database_size.get_bytes() as usize);
|
||||
|
||||
// Return an error if the database does not exist.
|
||||
if !opt.database.exists() {
|
||||
anyhow::bail!("The database ({}) does not exist.", opt.database.display());
|
||||
}
|
||||
|
||||
let env = options.open(opt.database)?;
|
||||
|
||||
match opt.command {
|
||||
CopyMainDatabase { enable_compaction } => {
|
||||
use CompactionOption::*;
|
||||
let compaction = if enable_compaction { Enabled } else { Disabled };
|
||||
copy_main_database_to_stdout(env, compaction)
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(target_family = "unix")]
|
||||
fn copy_main_database_to_stdout(env: Env, compaction: CompactionOption) -> anyhow::Result<()> {
|
||||
use std::os::unix::io::AsRawFd;
|
||||
|
||||
let stdout = std::io::stdout().as_raw_fd();
|
||||
unsafe { env.copy_to_fd(stdout, compaction).map_err(Into::into) }
|
||||
}
|
||||
|
||||
#[cfg(target_family = "windows")]
|
||||
fn copy_main_database_to_stdout(env: Env, compaction: CompactionOption) -> anyhow::Result<()> {
|
||||
use std::os::windows::io::AsRawHandle;
|
||||
|
||||
let stdout = std::io::stdout().as_raw_handle();
|
||||
unsafe { env.copy_to_fd(stdout, compaction).map_err(Into::into) }
|
||||
}
|
Loading…
Reference in New Issue
Block a user