Files
windmill/backend/src/main.rs
2023-03-26 18:56:40 +02:00

258 lines
7.3 KiB
Rust

/*
* Author: Ruben Fiszel
* Copyright: Windmill Labs, Inc 2022
* This file and its contents are licensed under the AGPLv3 License.
* Please see the included NOTICE for copyright information and
* LICENSE-AGPL for a copy of the license.
*/
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use git_version::git_version;
use sqlx::{Pool, Postgres};
use windmill_common::utils::rd_string;
const GIT_VERSION: &str = git_version!(args = ["--tag", "--always"], fallback = "unknown-version");
const DEFAULT_NUM_WORKERS: usize = 3;
const DEFAULT_PORT: u16 = 8000;
const DEFAULT_SERVER_BIND_ADDR: Ipv4Addr = Ipv4Addr::new(0, 0, 0, 0);
mod ee;
#[tokio::main]
async fn main() -> anyhow::Result<()> {
dotenv::dotenv().ok();
windmill_common::tracing_init::initialize_tracing();
let num_workers = std::env::var("NUM_WORKERS")
.ok()
.and_then(|x| x.parse::<i32>().ok())
.unwrap_or(DEFAULT_NUM_WORKERS as i32);
let metrics_addr: Option<SocketAddr> = std::env::var("METRICS_ADDR")
.ok()
.map(|s| {
s.parse::<bool>()
.map(|b| b.then(|| SocketAddr::from(([0, 0, 0, 0], 8001))))
.or_else(|_| s.parse::<SocketAddr>().map(Some))
})
.transpose()?
.flatten();
let server_bind_address: IpAddr = std::env::var("SERVER_BIND_ADDR")
.ok()
.and_then(|x| x.parse().ok())
.unwrap_or(IpAddr::from(DEFAULT_SERVER_BIND_ADDR));
let port: u16 = std::env::var("PORT")
.ok()
.and_then(|x| x.parse::<u16>().ok())
.unwrap_or(DEFAULT_PORT as u16);
let base_internal_url: String = std::env::var("BASE_INTERNAL_URL")
.unwrap_or_else(|_| format!("http://localhost:{}", port.to_string()));
let server_mode = !std::env::var("DISABLE_SERVER")
.ok()
.and_then(|x| x.parse::<bool>().ok())
.unwrap_or(false);
let db = windmill_common::connect_db(server_mode).await?;
if server_mode {
windmill_api::migrate_db(&db).await?;
}
let (tx, rx) = tokio::sync::broadcast::channel::<()>(3);
let shutdown_signal = windmill_common::shutdown_signal(tx);
#[cfg(feature = "enterprise")]
tracing::info!(
"
##############################
Windmill Enterprise Edition {GIT_VERSION}
##############################"
);
#[cfg(not(feature = "enterprise"))]
tracing::info!(
"
##############################
Windmill Community Edition {GIT_VERSION}
##############################"
);
display_config(vec![
"DISABLE_NSJAIL",
"DISABLE_SERVER",
"NUM_WORKERS",
"METRICS_ADDR",
"JSON_FMT",
"BASE_URL",
"BASE_INTERNAL_URL",
"TIMEOUT",
"ZOMBIE_JOB_TIMEOUT",
"RESTART_ZOMBIE_JOBS",
"SLEEP_QUEUE",
"MAX_LOG_SIZE",
"SERVER_BIND_ADDR",
"PORT",
"KEEP_JOB_DIR",
"S3_CACHE_BUCKET",
"TAR_CACHE_RATE",
"COOKIE_DOMAIN",
"PYTHON_PATH",
"DENO_PATH",
"GO_PATH",
"PIP_INDEX_URL",
"PIP_EXTRA_INDEX_URL",
"PIP_TRUSTED_HOST",
"PATH",
"HOME",
"DATABASE_CONNECTIONS",
"TIMEOUT_WAIT_RESULT",
"QUEUE_LIMIT_WAIT_RESULT",
"DENO_AUTH_TOKENS",
"DENO_FLAGS",
"NPM_CONFIG_REGISTRY",
"PIP_LOCAL_DEPENDENCIES",
"ADDITIONAL_PYTHON_PATHS",
"INCLUDE_HEADERS",
"WHITELIST_WORKSPACES",
"BLACKLIST_WORKSPACES",
"NEW_USER_WEBHOOK",
"CLOUD_HOSTED",
]);
if server_mode || num_workers > 0 {
let addr = SocketAddr::from((server_bind_address, port));
let server_f = async {
if server_mode {
windmill_api::run_server(db.clone(), addr, rx.resubscribe()).await?;
}
Ok(()) as anyhow::Result<()>
};
let workers_f = async {
if num_workers > 0 {
run_workers(
db.clone(),
rx.resubscribe(),
num_workers,
base_internal_url.clone(),
)
.await?;
}
Ok(()) as anyhow::Result<()>
};
let monitor_f = async {
if server_mode {
monitor_db(&db, rx.resubscribe(), &base_internal_url);
}
Ok(()) as anyhow::Result<()>
};
let metrics_f = async {
match metrics_addr {
Some(addr) => windmill_common::serve_metrics(addr, rx.resubscribe())
.await
.map_err(anyhow::Error::from),
None => Ok(()),
}
};
futures::try_join!(shutdown_signal, server_f, metrics_f, workers_f, monitor_f)?;
} else {
tracing::info!("Nothing to do, exiting.");
}
Ok(())
}
fn display_config(envs: Vec<&str>) {
tracing::info!(
"config: {}",
envs.iter()
.filter(|env| std::env::var(env).is_ok())
.map(|env| {
format!(
"{}: {}",
env,
std::env::var(env).unwrap_or_else(|_| "not set".to_string())
)
})
.collect::<Vec<String>>()
.join(", ")
)
}
pub fn monitor_db(
db: &Pool<Postgres>,
rx: tokio::sync::broadcast::Receiver<()>,
base_internal_url: &str,
) {
let db1 = db.clone();
let db2 = db.clone();
let rx2 = rx.resubscribe();
let base_internal_url = base_internal_url.to_string();
tokio::spawn(async move {
windmill_worker::handle_zombie_jobs_periodically(&db1, rx, &base_internal_url).await
});
tokio::spawn(async move { windmill_api::delete_expired_items_perdiodically(&db2, rx2).await });
}
pub async fn run_workers(
db: Pool<Postgres>,
rx: tokio::sync::broadcast::Receiver<()>,
num_workers: i32,
base_internal_url: String,
) -> anyhow::Result<()> {
let license_key = std::env::var("LICENSE_KEY").ok();
#[cfg(feature = "enterprise")]
ee::verify_license_key(license_key)?;
#[cfg(not(feature = "enterprise"))]
if license_key.is_some() {
panic!("License key is required ONLY for the enterprise edition");
}
let instance_name = rd_string(5);
let monitor = tokio_metrics::TaskMonitor::new();
let ip = windmill_common::external_ip::get_ip()
.await
.unwrap_or_else(|e| {
tracing::warn!(error = e.to_string(), "failed to get external IP");
"unretrievable IP".to_string()
});
let mut handles = Vec::with_capacity(num_workers as usize);
for i in 1..(num_workers + 1) {
let db1 = db.clone();
let instance_name = instance_name.clone();
let worker_name = format!("dt-worker-{}-{}", &instance_name, rd_string(5));
let ip = ip.clone();
let rx = rx.resubscribe();
let base_internal_url = base_internal_url.clone();
handles.push(tokio::spawn(monitor.instrument(async move {
tracing::info!(worker = %worker_name, "starting worker");
windmill_worker::run_worker(
&db1,
&instance_name,
worker_name,
i as u64,
&ip,
rx,
&base_internal_url,
)
.await
})));
}
futures::future::try_join_all(handles).await?;
Ok(())
}