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use clap::Parser; |
| 2 |
use salaryman::service::{Service, ServiceConf, ServiceState}; |
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use serde::{Deserialize, Serialize}; |
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use std::{ |
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fs::read_to_string, |
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os::unix::net::{UnixListener, UnixStream}, |
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path::PathBuf, |
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}; |
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use rayon::prelude::*; |
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|
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#[derive(Parser, Debug)] |
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#[command(version, about, long_about = None)] |
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struct Args { |
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#[arg( |
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short, |
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long, |
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value_name = "FILE", |
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help = "config file override", |
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default_value = "salaryman.toml" |
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)] |
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config: PathBuf, |
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#[arg( |
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short, |
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long, |
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value_name = "SOCK", |
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help = "UNIX socket to bind", |
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default_value = "/tmp/salaryman.sock" |
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)] |
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socket: PathBuf, |
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} |
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|
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pub enum ServiceReq { |
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Create(ServiceConf), |
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} |
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|
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#[derive(Serialize, Deserialize, Clone, Debug)] |
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pub struct Config { |
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pub socket: Option<PathBuf>, |
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pub service: Vec<ServiceConf>, |
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} |
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impl Config { |
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pub fn new() -> Self { |
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Self { |
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socket: None, |
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service: Vec::new(), |
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} |
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} |
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} |
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|
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fn load_config(file: &PathBuf) -> Result<Config, Box<dyn std::error::Error>> { |
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let s: String = match read_to_string(file) { |
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Ok(s) => s, |
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Err(_) => { |
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return Err(Box::new(std::io::Error::new( |
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std::io::ErrorKind::NotFound, |
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"cannot find config file", |
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))); |
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} |
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}; |
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match toml::from_str(s.as_str()) { |
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Ok(c) => Ok(c), |
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Err(_) => Err(Box::new(std::io::Error::new( |
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std::io::ErrorKind::Other, |
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"unable to parse config file", |
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))), |
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} |
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} |
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|
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fn main() -> Result<(), Box<dyn std::error::Error>> { |
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let args = Args::parse(); |
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let conf: Config = load_config(&args.config)?; |
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let _sockaddr = if let Some(sock) = conf.socket { |
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sock |
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} else { |
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args.socket |
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}; |
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let mut services: Vec<Service> = Vec::new(); |
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for service in conf.service { |
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services.push(service.build()?); |
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} |
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loop { |
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services.par_iter_mut() |
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.for_each(|service| { |
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match service.state().expect("unable to get service state") { |
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ServiceState::Failed => service.restart().expect("unable to restart service"), |
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ServiceState::Stopped => (), |
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_ => (), |
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} |
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}); |
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services.push(Service::new()); |
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std::thread::sleep(std::time::Duration::from_millis(100)); |
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} |
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} |
