77 lines
3.3 KiB
Rust
77 lines
3.3 KiB
Rust
/********************************************************************************
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* Prometheus exporter for monitoring network connectivity using icmp pings *
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* *
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* Copyright (C) 2019-2020 Jan Christian Grünhage *
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* Copyright (C) 2020 Famedly GmbH *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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********************************************************************************/
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use anyhow::{Context, Result};
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use clap::{clap_app, crate_authors, crate_description, crate_name, crate_version};
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use log::info;
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use serde::{Deserialize, Serialize};
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use std::collections::HashMap;
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#[derive(Serialize, Deserialize, Clone)]
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pub(crate) struct Config {
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pub(crate) listener: std::net::SocketAddr,
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pub(crate) hosts: HashMap<std::net::IpAddr, u64>,
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}
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pub(crate) fn setup_clap() -> clap::ArgMatches<'static> {
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clap_app!(myapp =>
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(name: crate_name!())
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(version: crate_version!())
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(author: crate_authors!())
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(about: crate_description!())
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(@arg config: +required "Set config file")
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(@arg v: -v --verbose ... "Be verbose (you can add this up to 4 times for more logs).
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By default, only errors are logged, so no output is a good thing.")
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)
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.get_matches()
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}
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pub(crate) fn setup_fern(level: u64) {
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let level = match level {
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0 => log::LevelFilter::Error,
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1 => log::LevelFilter::Warn,
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2 => log::LevelFilter::Info,
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3 => log::LevelFilter::Debug,
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_ => log::LevelFilter::Trace,
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};
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match fern::Dispatch::new()
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.format(|out, message, record| {
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out.finish(format_args!(
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"[{}][{}] {}",
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chrono::Local::now().format("%Y-%m-%d %H:%M:%S"),
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record.level(),
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message
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))
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})
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.level(level)
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.chain(std::io::stdout())
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.apply()
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{
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Err(_) => {
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eprintln!("error setting up logging!");
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}
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_ => info!("logging set up properly"),
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}
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}
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pub(crate) fn read_config(path: &str) -> Result<Config> {
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let config_file_content = std::fs::read_to_string(path).context("Couldn't read config file")?;
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Ok(toml::from_str(&config_file_content).context("Couldn't parse config file")?)
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}
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