thin-provisioning-tools/src/bin/thin_shrink.rs
2020-06-24 13:55:08 +01:00

41 lines
1.2 KiB
Rust

extern crate clap;
extern crate thinp;
use clap::{App, Arg};
use std::process::exit;
use thinp::file_utils;
fn main() {
let parser = App::new("thin_shrink")
.version(thinp::version::TOOLS_VERSION)
.about("Rewrite xml metadata and move data in an inactive pool.")
.arg(Arg::with_name("INPUT")
.help("Specify thinp metadata xml file")
.required(true)
.long("input")
.value_name("INPUT")
.takes_value(true))
.arg(Arg::with_name("OUTPUT")
.help("Specify output xml file")
.required(true)
.long("output")
.value_name("OUTPUT")
.takes_value(true));
let matches = parser.get_matches();
// FIXME: check these look like xml
let input_file = matches.value_of("INPUT").unwrap();
let output_file = matches.value_of("OUTPUT").unwrap();
if !file_utils::file_exists(input_file) {
eprintln!("Couldn't find input file '{}'.", &input_file);
exit(1);
}
if let Err(reason) = thinp::shrink::toplevel::shrink(&input_file, &output_file) {
println!("Application error: {}\n", reason);
exit(1);
}
}