mirror of https://github.com/mastodon/flodgatt
51 lines
2.0 KiB
Rust
51 lines
2.0 KiB
Rust
use super::redis_cfg_types::*;
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use crate::config::EnvVar;
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#[derive(Debug, Default)]
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pub struct RedisConfig {
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pub user: RedisUser,
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pub password: RedisPass,
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pub port: RedisPort,
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pub host: RedisHost,
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pub db: RedisDb,
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pub namespace: RedisNamespace,
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// **NOTE**: Polling Redis is much more time consuming than polling the `Receiver` (~1ms
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// compared to ~50μs). Thus, changing this setting with REDIS_POLL_INTERVAL may be a good
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// place to start for performance improvements at the cost of delaying all updates.
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pub polling_interval: RedisInterval,
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}
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impl RedisConfig {
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const USER_SET_WARNING: &'static str =
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"Redis user specified, but Redis did not ask for a username. Ignoring it.";
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const DB_SET_WARNING: &'static str =
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r"Redis database specified, but PubSub connections do not use databases.
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For similar functionality, you may wish to set a REDIS_NAMESPACE";
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pub fn from_env(env: EnvVar) -> Self {
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let env = match env.get("REDIS_URL").map(|s| s.clone()) {
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Some(url_str) => env.update_with_url(&url_str),
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None => env,
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};
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let cfg = RedisConfig {
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user: RedisUser::default().maybe_update(env.get("REDIS_USER")),
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password: RedisPass::default().maybe_update(env.get("REDIS_PASSWORD")),
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port: RedisPort::default().maybe_update(env.get("REDIS_PORT")),
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host: RedisHost::default().maybe_update(env.get("REDIS_HOST")),
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db: RedisDb::default().maybe_update(env.get("REDIS_DB")),
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namespace: RedisNamespace::default().maybe_update(env.get("REDIS_NAMESPACE")),
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polling_interval: RedisInterval::default().maybe_update(env.get("REDIS_POLL_INTERVAL")),
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};
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if cfg.db.is_some() {
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log::warn!("{}", Self::DB_SET_WARNING);
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}
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if cfg.user.is_some() {
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log::warn!("{}", Self::USER_SET_WARNING);
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}
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log::info!("Redis configuration:\n{:#?},", &cfg);
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cfg
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}
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}
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