129 lines
4.1 KiB
Rust
129 lines
4.1 KiB
Rust
extern crate clap;
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extern crate thinp;
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use atty::Stream;
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use clap::{App, Arg};
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use std::path::Path;
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use std::process;
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use std::process::exit;
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use std::sync::Arc;
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use thinp::file_utils;
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use thinp::io_engine::*;
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use thinp::report::*;
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use thinp::thin::check::{check, ThinCheckOptions, MAX_CONCURRENT_IO};
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fn main() {
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let parser = App::new("thin_check")
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.version(thinp::version::TOOLS_VERSION)
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.about("Validates thin provisioning metadata on a device or file.")
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.arg(
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Arg::with_name("QUIET")
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.help("Suppress output messages, return only exit code.")
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.short("q")
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.long("quiet"),
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)
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.arg(
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Arg::with_name("SB_ONLY")
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.help("Only check the superblock.")
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.long("super-block-only")
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.value_name("SB_ONLY"),
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)
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.arg(
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Arg::with_name("SKIP_MAPPINGS")
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.help("Don't check the mapping tree")
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.long("skip-mappings")
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.value_name("SKIP_MAPPINGS"),
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)
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.arg(
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Arg::with_name("AUTO_REPAIR")
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.help("Auto repair trivial issues.")
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.long("auto-repair"),
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)
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.arg(
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Arg::with_name("IGNORE_NON_FATAL")
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.help("Only return a non-zero exit code if a fatal error is found.")
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.long("ignore-non-fatal-errors"),
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)
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.arg(
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Arg::with_name("CLEAR_NEEDS_CHECK")
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.help("Clears the 'needs_check' flag in the superblock")
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.long("clear-needs-check"),
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)
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.arg(
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Arg::with_name("OVERRIDE_MAPPING_ROOT")
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.help("Specify a mapping root to use")
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.long("override-mapping-root")
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.value_name("OVERRIDE_MAPPING_ROOT")
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.takes_value(true),
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)
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.arg(
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Arg::with_name("METADATA_SNAPSHOT")
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.help("Check the metadata snapshot on a live pool")
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.short("m")
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.long("metadata-snapshot")
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.value_name("METADATA_SNAPSHOT"),
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)
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.arg(
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Arg::with_name("INPUT")
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.help("Specify the input device to check")
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.required(true)
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.index(1),
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)
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.arg(
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Arg::with_name("ASYNC_IO")
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.help("Force use of io_uring for asynchronous IO")
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.long("async-io"),
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)
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.arg(
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Arg::with_name("SYNC_IO")
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.help("Force use of synchronous IO (currently the default)")
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.long("sync-io"),
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);
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let matches = parser.get_matches();
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let input_file = Path::new(matches.value_of("INPUT").unwrap());
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if !file_utils::file_exists(input_file) {
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eprintln!("Couldn't find input file '{:?}'.", &input_file);
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exit(1);
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}
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let report;
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if matches.is_present("QUIET") {
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report = std::sync::Arc::new(mk_quiet_report());
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} else if atty::is(Stream::Stdout) {
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report = std::sync::Arc::new(mk_progress_bar_report());
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} else {
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report = Arc::new(mk_simple_report());
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}
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if matches.is_present("SYNC_IO") && matches.is_present("ASYNC_IO") {
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eprintln!("--sync-io and --async-io may not be used at the same time.");
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process::exit(1);
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}
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let engine: Arc<dyn IoEngine + Send + Sync>;
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if matches.is_present("ASYNC_IO") {
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engine = Arc::new(AsyncIoEngine::new(&input_file, MAX_CONCURRENT_IO, false).expect("unable to open input file"));
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} else {
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let nr_threads = std::cmp::max(8, num_cpus::get() * 2);
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engine = Arc::new(SyncIoEngine::new(&input_file, nr_threads, false).expect("unable to open input file"));
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}
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let opts = ThinCheckOptions {
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engine: engine,
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sb_only: matches.is_present("SB_ONLY"),
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skip_mappings: matches.is_present("SKIP_MAPPINGS"),
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ignore_non_fatal: matches.is_present("IGNORE_NON_FATAL"),
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auto_repair: matches.is_present("AUTO_REPAIR"),
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report,
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};
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if let Err(reason) = check(opts) {
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eprintln!("{}", reason);
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process::exit(1);
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}
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}
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