redis-db: add settings/config for redis

common/src/database/mod.rs

@@ -43,6 +43,12 @@ pub async fn db_from_settings(settings: &Settings) -> Result<Db> {
             schema::postgres::register_migrations(&mut db);
             Ok(Arc::new(db))
         }
+        crate::settings::Database::Redis(redis) => {
+            let db = RedisDatabase::new(redis.connection_url())
+            .await
+            .context("Failed to initialize Redis client")?;
+            Ok(Arc::new(db))
+        }
     }
 }
 

common/src/settings.rs

@@ -18,6 +18,7 @@ pub enum Authentication {
 pub enum Database {
     SQLite(SQLite),
     Postgres(Postgres),
+    Redis(Redis),
 }
 
 #[derive(Debug, Deserialize, Clone)]
@@ -102,6 +103,18 @@ impl Kerberos {
     }
 }
 
+#[derive(Debug, Deserialize, Clone)]
+#[serde(deny_unknown_fields)]
+pub struct Redis {
+    connection_url: String,
+}
+
+impl Redis {
+    pub fn connection_url(&self) -> &str {
+        &self.connection_url
+    }
+}
+
 #[derive(Debug, Deserialize, Clone)]
 #[serde(deny_unknown_fields)]
 pub struct SQLite {