1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
mod cnfg;
mod server;
mod state;
use std::net::{Ipv6Addr, SocketAddr};
use crate::{server::error::AppError, state::AppState};
use axum::http::header::CONTENT_TYPE;
use clap::Parser;
use tokio::signal;
use tower::{make::Shared, steer::Steer};
use tracing::{error, info, trace};
use warden_stack::{
Configuration, Services,
tracing::{SdkTracerProvider, Tracing},
};
/// warden-config
#[derive(Parser, Debug)]
#[command(version, about, long_about = None)]
struct Args {
/// Path to config file
#[arg(short, long)]
config_file: Option<std::path::PathBuf>,
}
#[tokio::main]
async fn main() -> Result<(), AppError> {
let args = Args::parse();
let config = include_str!("../warden-config.toml");
let mut config = config::Config::builder()
.add_source(config::File::from_str(config, config::FileFormat::Toml));
if let Some(cf) = args.config_file.as_ref().and_then(|v| v.to_str()) {
config = config.add_source(config::File::new(cf, config::FileFormat::Toml));
};
let mut config: Configuration = config.build()?.try_deserialize()?;
config.application.name = env!("CARGO_CRATE_NAME").into();
config.application.version = env!("CARGO_PKG_VERSION").into();
let tracing = Tracing::builder()
.opentelemetry(&config.application, &config.monitoring)?
.loki(&config.application, &config.monitoring)?
.build(&config.monitoring);
let provider = tracing.otel_provider;
tokio::spawn(tracing.loki_task);
let mut services = Services::builder()
.postgres(&config.database)
.await
.inspect_err(|e| error!("database: {e}"))?
.nats_jetstream(&config.nats)
.await
.inspect_err(|e| error!("nats: {e}"))?
.cache(&config.cache)
.await
.inspect_err(|e| error!("cache: {e}"))?
.build();
let postgres = services
.postgres
.take()
.ok_or_else(|| anyhow::anyhow!("database is not ready"))?;
let cache = services
.cache
.take()
.ok_or_else(|| anyhow::anyhow!("cache is not ready"))?;
let jetstream = services
.jetstream
.take()
.ok_or_else(|| anyhow::anyhow!("jetstream is not ready"))?;
let state = AppState::create(
crate::state::Services {
postgres,
cache,
jetstream,
},
&config,
)
.await?;
trace!("running migrations");
sqlx::migrate!("./migrations")
.run(&state.services.postgres)
.await?;
trace!("migrations updated");
let (app, grpc_server) = server::serve(state)?;
let service = Steer::new(
vec![app, grpc_server],
|req: &axum::extract::Request, _services: &[_]| {
if req
.headers()
.get(CONTENT_TYPE)
.map(|content_type| content_type.as_bytes())
.filter(|content_type| content_type.starts_with(b"application/grpc"))
.is_some()
{
// grpc service
1
} else {
// http service
0
}
},
);
let addr = SocketAddr::from((Ipv6Addr::UNSPECIFIED, config.application.port));
let listener = tokio::net::TcpListener::bind(addr).await?;
info!(port = addr.port(), "starting config-api");
axum::serve(listener, Shared::new(service))
.with_graceful_shutdown(shutdown_signal(provider))
.await?;
Ok(())
}
async fn shutdown_signal(provider: SdkTracerProvider) {
let ctrl_c = async {
signal::ctrl_c()
.await
.expect("failed to install Ctrl+C handler");
};
#[cfg(unix)]
let terminate = async {
signal::unix::signal(signal::unix::SignalKind::terminate())
.expect("failed to install signal handler")
.recv()
.await;
};
#[cfg(not(unix))]
let terminate = std::future::pending::<()>();
tokio::select! {
_ = ctrl_c => {},
_ = terminate => {},
}
provider
.shutdown()
.expect("failed to shutdown trace provider");
}
|
