1#![recursion_limit = "512"]23pub(crate) mod cmds;45pub(crate) mod extra_args;67use std::{ffi::OsString, process::ExitCode};89use anyhow::{bail, Result};10use clap::{CommandFactory, Parser};11use cmds::{12 build_systems::{BuildSystems, Deploy},13 rollback::RollbackSingle,14 complete::Complete,15 info::Info,16 secrets::Secret,17 tf::Tf,18};19use fleet_base::{host::Config, opts::FleetOpts};20use futures::{future::LocalBoxFuture, stream::FuturesUnordered, TryStreamExt};2122#[cfg(feature = "indicatif")]23use human_repr::HumanCount;24#[cfg(feature = "indicatif")]25use indicatif::{ProgressState, ProgressStyle};26use tracing::{error, info, info_span, Instrument};27#[cfg(feature = "indicatif")]28use tracing_indicatif::IndicatifLayer;29use tracing_subscriber::{prelude::*, EnvFilter};3031#[derive(Parser)]32struct Prefetch {}33impl Prefetch {34 async fn run(&self, config: &Config) -> Result<()> {35 let mut prefetch_dir = config.directory.to_path_buf();36 prefetch_dir.push("prefetch");37 if !prefetch_dir.is_dir() {38 info!("nothing to prefetch: no prefetch directory");39 return Ok(());40 }41 let tasks = <FuturesUnordered<LocalBoxFuture<Result<()>>>>::new();42 for entry in std::fs::read_dir(&prefetch_dir)? {43 tasks.push(Box::pin(async {44 let entry = entry?;45 if !entry.metadata()?.is_file() {46 bail!("only files should exist in prefetch directory");47 }48 let span = info_span!(49 "prefetching",50 name = entry.file_name().to_string_lossy().as_ref()51 );52 let mut path = OsString::new();53 path.push("file://");54 path.push(entry.path());5556 let mut status = config.local_host().cmd("nix").await?;57 status.args(&config.nix_args);58 status.arg("store").arg("prefetch-file").arg(path);59 status.run_nix_string().instrument(span).await?;60 Ok(())61 }));62 }63 tasks.try_collect::<Vec<()>>().await?;64 Ok(())65 }66}6768#[derive(Parser)]69enum Opts {70 71 BuildSystems(BuildSystems),72 73 Deploy(Deploy),74 75 RollbackSingle(RollbackSingle),76 77 #[clap(subcommand)]78 Secret(Secret),79 80 Prefetch(Prefetch),81 82 Info(Info),83 84 #[clap(hide(true))]85 Complete(Complete),86 87 Tf(Tf),88}8990#[derive(Parser)]91#[clap(version, author)]92struct RootOpts {93 #[clap(flatten)]94 fleet_opts: FleetOpts,95 #[clap(subcommand)]96 command: Opts,97}9899async fn run_command(config: &Config, opts: FleetOpts, command: Opts) -> Result<()> {100 match command {101 Opts::BuildSystems(c) => c.run(config, &opts).await?,102 Opts::Deploy(d) => d.run(config, &opts).await?,103 Opts::RollbackSingle(r) => r.run(config, &opts).await?,104 Opts::Secret(s) => s.run(config, &opts).await?,105 Opts::Info(i) => i.run(config).await?,106 Opts::Prefetch(p) => p.run(config).await?,107 Opts::Tf(t) => t.run(config).await?,108 109 Opts::Complete(c) => {110 tokio::task::spawn_blocking(move || c.run(RootOpts::command())).await?111 }112 };113 Ok(())114}115116fn setup_logging() {117 #[cfg(feature = "indicatif")]118 let indicatif_layer = {119 use std::time::Duration;120121 IndicatifLayer::new().with_progress_style(122 ProgressStyle::with_template(123 "{color_start}{span_child_prefix} {span_name}{{{span_fields}}}{color_end} {wide_msg} {color_start}{download_progress} {elapsed}{color_end}",124 )125 .unwrap()126 .with_key("download_progress", |state: &ProgressState, writer: &mut dyn std::fmt::Write| {127 let Some(len) = state.len() else {128 return;129 };130 let pos = state.pos();131 if pos > len {132 let _ = write!(writer, "{}", pos.human_count_bare());133 } else {134 let _ = write!(writer, "{} / {}", pos.human_count_bare(), len.human_count_bare());135 }136 })137 .with_key(138 "color_start",139 |state: &ProgressState, writer: &mut dyn std::fmt::Write| {140 let elapsed = state.elapsed();141142 if elapsed > Duration::from_secs(60) {143 144 let _ = write!(writer, "\x1b[{}m", 1 + 30);145 } else if elapsed > Duration::from_secs(30) {146 147 let _ = write!(writer, "\x1b[{}m", 3 + 30);148 }149 },150 )151 .with_key(152 "color_end",153 |state: &ProgressState, writer: &mut dyn std::fmt::Write| {154 if state.elapsed() > Duration::from_secs(30) {155 let _ = write!(writer, "\x1b[0m");156 }157 },158 ),159 )160 };161162 let filter = EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("info"));163164 let reg = tracing_subscriber::registry().with({165 let sub = tracing_subscriber::fmt::layer()166 .without_time()167 .with_target(false);168 #[cfg(feature = "indicatif")]169 let sub = sub.with_writer(indicatif_layer.get_stderr_writer());170 sub.with_filter(filter) 171 });172 173 #[cfg(feature = "indicatif")]174 let reg = reg.with(indicatif_layer);175 reg.init();176}177178fn main() -> ExitCode {179 let opts = RootOpts::parse();180 if let Opts::Complete(c) = &opts.command {181 c.run(RootOpts::command());182 return ExitCode::SUCCESS;183 }184185 setup_logging();186 async_main(opts)187}188189#[tokio::main]190async fn async_main(opts: RootOpts) -> ExitCode {191 if let Err(e) = main_real(opts).await {192 error!("{e:#}");193 return ExitCode::FAILURE;194 }195 ExitCode::SUCCESS196}197198async fn main_real(opts: RootOpts) -> Result<()> {199 nix_eval::init_tokio();200201 let nix_args = std::env::var_os("NIX_ARGS")202 .map(|a| extra_args::parse_os(&a))203 .transpose()?204 .unwrap_or_default();205 let config = opts206 .fleet_opts207 .build(208 nix_args,209 matches!(opts.command, Opts::Deploy(_) | Opts::BuildSystems(_)),210 )211 .await?;212213 match run_command(&config, opts.fleet_opts, opts.command).await {214 Ok(()) => {215 config.save()?;216 Ok(())217 }218 Err(e) => {219 let _ = config.save();220 Err(e)221 }222 }223}224225#[cfg(test)]226mod tests {227 use super::*;228229 #[test]230 fn verify_command() {231 use clap::CommandFactory;232 RootOpts::command().debug_assert();233 }234}