Make database connections configurable by environment variables (#768)
* Make env DB_MAX_SIZE and DB_MIN_IDLE recognizable * Make database max size and minimum idle configurable * Restore file permission * Fail fast
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@ -11,6 +11,8 @@ pub struct Config {
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pub base_url: String,
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pub database_url: String,
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pub db_name: &'static str,
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pub db_max_size: Option<u32>,
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pub db_min_idle: Option<u32>,
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pub search_index: String,
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pub rocket: Result<RocketConfig, RocketError>,
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pub logo: LogoConfig,
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@ -193,6 +195,14 @@ lazy_static! {
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var("ROCKET_PORT").unwrap_or_else(|_| "7878".to_owned())
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)),
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db_name: DB_NAME,
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db_max_size: var("DB_MAX_SIZE").map_or(None, |s| Some(
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s.parse::<u32>()
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.expect("Couldn't parse DB_MAX_SIZE into u32")
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)),
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db_min_idle: var("DB_MIN_IDLE").map_or(None, |s| Some(
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s.parse::<u32>()
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.expect("Couldn't parse DB_MIN_IDLE into u32")
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)),
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#[cfg(feature = "postgres")]
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database_url: var("DATABASE_URL")
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.unwrap_or_else(|_| format!("postgres://plume:plume@localhost/{}", DB_NAME)),
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@ -55,10 +55,13 @@ fn init_pool() -> Option<DbPool> {
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}
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let manager = ConnectionManager::<Connection>::new(CONFIG.database_url.as_str());
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let pool = DbPool::builder()
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let mut builder = DbPool::builder()
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.connection_customizer(Box::new(PragmaForeignKey))
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.build(manager)
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.ok()?;
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.min_idle(CONFIG.db_min_idle);
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if let Some(max_size) = CONFIG.db_max_size {
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builder = builder.max_size(max_size);
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};
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let pool = builder.build(manager).ok()?;
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Instance::cache_local(&pool.get().unwrap());
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Some(pool)
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}
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