Files
managarr/src/utils.rs

125 lines
3.1 KiB
Rust

use std::fs::{self, File};
use std::io::{BufRead, BufReader, Seek, SeekFrom};
use std::path::PathBuf;
use std::process;
use colored::Colorize;
use log::LevelFilter;
use log4rs::append::file::FileAppender;
use log4rs::config::{Appender, Root};
use log4rs::encode::pattern::PatternEncoder;
use regex::Regex;
#[cfg(test)]
#[path = "utils_tests.rs"]
mod utils_tests;
pub fn get_log_path() -> PathBuf {
let mut log_path = if cfg!(target_os = "linux") {
dirs_next::cache_dir().unwrap_or_else(|| PathBuf::from("~/.cache"))
} else if cfg!(target_os = "macos") {
dirs_next::home_dir().unwrap().join("Library/Logs")
} else {
dirs_next::data_local_dir().unwrap_or_else(|| PathBuf::from("C:\\Logs"))
};
log_path.push("managarr");
if let Err(e) = fs::create_dir_all(&log_path) {
eprintln!("Failed to create log directory: {:?}", e);
}
log_path.push("managarr.log");
log_path
}
pub fn init_logging_config() -> log4rs::Config {
let logfile = FileAppender::builder()
.encoder(Box::new(PatternEncoder::new(
"{d(%Y-%m-%d %H:%M:%S%.3f)(utc)} <{i}> [{l}] {f}:{L} - {m}{n}",
)))
.build(get_log_path())
.unwrap();
log4rs::Config::builder()
.appender(Appender::builder().build("logfile", Box::new(logfile)))
.build(
Root::builder()
.appender("logfile")
.build(LevelFilter::Debug),
)
.unwrap()
}
pub fn convert_to_gb(bytes: i64) -> f64 {
bytes as f64 / 1024f64.powi(3)
}
pub fn convert_runtime(runtime: i64) -> (i64, i64) {
let hours = runtime / 60;
let minutes = runtime % 60;
(hours, minutes)
}
pub async fn tail_logs(no_color: bool) {
let re = Regex::new(r"^(?P<timestamp>\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{3})\s+<(?P<opid>[^\s>]+)>\s+\[(?P<level>[A-Z]+)\]\s+(?P<logger>[^:]+):(?P<line>\d+)\s+-\s+(?P<message>.*)$").unwrap();
let file_path = get_log_path();
let file = File::open(&file_path).expect("Cannot open file");
let mut reader = BufReader::new(file);
if let Err(e) = reader.seek(SeekFrom::End(0)) {
eprintln!("Unable to tail log file: {e:?}");
process::exit(1);
};
let mut lines = reader.lines();
tokio::spawn(async move {
loop {
if let Some(Ok(line)) = lines.next() {
if no_color {
println!("{}", line);
} else {
let colored_line = colorize_log_line(&line, &re);
println!("{}", colored_line);
}
}
}
})
.await
.unwrap();
}
fn colorize_log_line(line: &str, re: &Regex) -> String {
if let Some(caps) = re.captures(line) {
let level = &caps["level"];
let message = &caps["message"];
let colored_message = match level {
"ERROR" => message.red(),
"WARN" => message.yellow(),
"INFO" => message.green(),
"DEBUG" => message.blue(),
_ => message.normal(),
};
let timestamp = &caps["timestamp"];
let opid = &caps["opid"];
let logger = &caps["logger"];
let line_number = &caps["line"];
format!(
"{} <{}> [{}] {}:{} - {}",
timestamp.white(),
opid.cyan(),
level.bold(),
logger.magenta(),
line_number.bold(),
colored_message
)
} else {
line.to_string()
}
}