128 lines
3.2 KiB
Rust
128 lines
3.2 KiB
Rust
use std::process::Command;
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use anyhow::{bail, format_err, Error};
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fn run_command(mut command: Command) -> Result<(), Error> {
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let output = command
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.output()
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.map_err(|err| format_err!("failed to execute {:?} - {}", command, err))?;
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proxmox_lang::try_block!({
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if !output.status.success() {
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match output.status.code() {
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Some(code) => {
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if code != 0 {
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let msg = String::from_utf8(output.stderr)
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.map(|m| {
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if m.is_empty() {
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String::from("no error message")
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} else {
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m
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}
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})
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.unwrap_or_else(|_| String::from("non utf8 error message (suppressed)"));
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bail!("status code: {} - {}", code, msg);
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}
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}
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None => bail!("terminated by signal"),
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}
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}
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Ok(())
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}).map_err(|err| format_err!("command {:?} failed - {}", command, err))?;
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Ok(())
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}
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pub fn reload_daemon() -> Result<(), Error> {
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let mut command = std::process::Command::new("systemctl");
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command.arg("daemon-reload");
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run_command(command)?;
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Ok(())
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}
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pub fn disable_unit(unit: &str) -> Result<(), Error> {
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let mut command = std::process::Command::new("systemctl");
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command.arg("disable");
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command.arg(unit);
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run_command(command)?;
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Ok(())
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}
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pub fn enable_unit(unit: &str) -> Result<(), Error> {
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let mut command = std::process::Command::new("systemctl");
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command.arg("enable");
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command.arg(unit);
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run_command(command)?;
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Ok(())
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}
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pub fn start_unit(unit: &str) -> Result<(), Error> {
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let mut command = std::process::Command::new("systemctl");
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command.arg("start");
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command.arg(unit);
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run_command(command)?;
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Ok(())
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}
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pub fn stop_unit(unit: &str) -> Result<(), Error> {
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let mut command = std::process::Command::new("systemctl");
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command.arg("stop");
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command.arg(unit);
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run_command(command)?;
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Ok(())
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}
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pub fn reload_unit(unit: &str) -> Result<(), Error> {
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let mut command = std::process::Command::new("systemctl");
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command.arg("try-reload-or-restart");
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command.arg(unit);
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run_command(command)?;
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Ok(())
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}
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#[test]
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fn test_escape_unit() -> Result<(), Error> {
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fn test_escape(i: &str, expected: &str, is_path: bool) {
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use proxmox::tools::systemd::{escape_unit, unescape_unit};
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let escaped = escape_unit(i, is_path);
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assert_eq!(escaped, expected);
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let unescaped = unescape_unit(&escaped).unwrap();
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if is_path {
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let mut p = i.trim_matches('/');
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if p.is_empty() {
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p = "/";
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}
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assert_eq!(p, unescaped);
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} else {
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assert_eq!(i, unescaped);
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}
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}
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test_escape(".test", "\\x2etest", false);
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test_escape("t.est", "t.est", false);
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test_escape("_test_", "_test_", false);
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test_escape("/", "-", false);
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test_escape("//", "--", false);
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test_escape("/", "-", true);
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test_escape("//", "-", true);
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Ok(())
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}
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