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|
pub mod cli;
mod log_level;
use std::path::PathBuf;
use clap::ValueEnum;
pub use cli::Cli;
pub use cli::Commands;
use serde::Deserialize;
use tracing_subscriber::EnvFilter;
use crate::WardenError;
use crate::config::cli::CliEnvironment;
use crate::config::cli::database::Database;
#[derive(Deserialize, Default, Debug, ValueEnum, Clone, Copy)]
#[serde(rename_all = "lowercase")]
pub enum Environment {
Development,
#[default]
Production,
}
impl From<CliEnvironment> for Environment {
fn from(value: CliEnvironment) -> Self {
match value {
CliEnvironment::Dev | CliEnvironment::Development => Self::Development,
CliEnvironment::Prod | CliEnvironment::Production => Self::Production,
}
}
}
#[derive(Debug, Clone)]
pub struct Configuration {
pub server: Server,
pub database: Database,
}
#[derive(Debug, Clone)]
pub struct Server {
pub port: u16,
pub environment: Environment,
pub log_level: EnvFilter,
pub log_dir: PathBuf,
pub timeout_secs: u64,
}
impl Server {
fn merge(cli: &Cli, file: &Cli, missing: &mut Vec<&str>) -> Result<Self, WardenError> {
let port = cli.server.port.or(file.server.port);
if port.is_none() {
missing.push("server.port");
}
let timeout = cli.server.timeout_secs.or(file.server.timeout_secs);
if timeout.is_none() {
missing.push("server.timeout");
}
let log_dir = cli.server.log_dir.clone().or(file.server.log_dir.clone());
if log_dir.is_none() {
missing.push("server.log_dir");
}
let log_level = cli
.server
.log_level
.as_ref()
.or(file.server.log_level.as_ref())
.map(ToOwned::to_owned);
if log_level.is_none() {
missing.push("server.log_level");
}
let environment = cli.server.environment.or(file.server.environment);
if environment.is_none() {
missing.push("server.environment");
}
if !missing.is_empty() {
let err = missing
.iter()
.map(|f| format!(" - {}", f))
.collect::<Vec<_>>()
.join("\n");
return Err(WardenError::Config(err));
}
let log_level =
tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| {
// axum logs rejections from built-in extractors with the `axum::rejection`
// target, at `TRACE` level. `axum::rejection=trace` enables showing those events
log_level.unwrap().into()
});
Ok(Self {
port: port.unwrap(),
environment: environment.unwrap().into(),
log_dir: log_dir.unwrap(),
timeout_secs: timeout.unwrap(),
log_level,
})
}
}
impl Configuration {
pub fn merge(cli: &Cli, file: &Cli) -> Result<Self, WardenError> {
let mut missing = Vec::new();
let server = Server::merge(cli, file, &mut missing)?;
let database = Database::merge(&cli.database, &file.database)?;
Ok(Self { server, database })
}
}
|
