100 lines
2.8 KiB
Rust
100 lines
2.8 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::report::*;
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use thinp::thin::dump::{dump, ThinDumpOptions};
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fn main() {
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let parser = App::new("thin_dump")
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.version(thinp::version::tools_version())
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.about("Dump thin-provisioning metadata to stdout in XML format")
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// flags
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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 synchronous io")
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.long("async-io")
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.hidden(true),
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)
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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("REPAIR")
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.help("Repair the metadata whilst dumping it")
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.short("r")
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.long("repair"),
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)
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.arg(
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Arg::with_name("SKIP_MAPPINGS")
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.help("Do not dump the mappings")
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.long("skip-mappings"),
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)
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// options
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.arg(
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Arg::with_name("METADATA_SNAPSHOT")
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.help("Access 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("OUTPUT")
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.help("Specify the output file rather than stdout")
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.short("o")
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.long("output")
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.value_name("OUTPUT"),
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)
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// arguments
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.arg(
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Arg::with_name("INPUT")
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.help("Specify the input device to dump")
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.required(true)
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.index(1),
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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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let output_file = if matches.is_present("OUTPUT") {
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Some(Path::new(matches.value_of("OUTPUT").unwrap()))
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} else {
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None
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};
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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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let opts = ThinDumpOptions {
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input: input_file,
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output: output_file,
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async_io: matches.is_present("ASYNC_IO"),
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report,
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};
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if let Err(reason) = dump(opts) {
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println!("{}", reason);
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process::exit(1);
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}
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}
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