-// Scheduler, and trait for .seconds(), .minutes(), etc.
use clokwerk::{Scheduler, TimeUnits};
// Import week days and WeekDay
use diesel::{sql_query, PgConnection, RunQueryDsl};
-use lemmy_db_schema::{source::activity::Activity, DbPool};
-use lemmy_utils::LemmyError;
+use diesel::{Connection, ExpressionMethods, QueryDsl};
+use lemmy_db_schema::{
+ source::instance::{Instance, InstanceForm},
+ utils::naive_now,
+};
+use lemmy_routes::nodeinfo::NodeInfo;
+use lemmy_utils::{error::LemmyError, REQWEST_TIMEOUT};
+use reqwest::blocking::Client;
use std::{thread, time::Duration};
use tracing::info;
/// Schedules various cleanup tasks for lemmy in a background thread
-pub fn setup(pool: DbPool) -> Result<(), LemmyError> {
+pub fn setup(db_url: String, user_agent: String) -> Result<(), LemmyError> {
+ // Setup the connections
let mut scheduler = Scheduler::new();
- let conn = pool.get()?;
- active_counts(&conn);
- update_banned_when_expired(&conn);
+ let mut conn = PgConnection::establish(&db_url).expect("could not establish connection");
+
+ let mut conn_2 = PgConnection::establish(&db_url).expect("could not establish connection");
+
+ active_counts(&mut conn);
+ update_banned_when_expired(&mut conn);
// On startup, reindex the tables non-concurrently
// TODO remove this for now, since it slows down startup a lot on lemmy.ml
- reindex_aggregates_tables(&conn, true);
+ reindex_aggregates_tables(&mut conn, true);
scheduler.every(1.hour()).run(move || {
- active_counts(&conn);
- update_banned_when_expired(&conn);
- reindex_aggregates_tables(&conn, true);
+ let conn = &mut PgConnection::establish(&db_url)
+ .unwrap_or_else(|_| panic!("Error connecting to {db_url}"));
+ active_counts(conn);
+ update_banned_when_expired(conn);
+ reindex_aggregates_tables(conn, true);
+ drop_ccnew_indexes(conn);
});
- let conn = pool.get()?;
- clear_old_activities(&conn);
+ clear_old_activities(&mut conn);
scheduler.every(1.weeks()).run(move || {
- clear_old_activities(&conn);
+ clear_old_activities(&mut conn);
+ });
+
+ update_instance_software(&mut conn_2, &user_agent);
+ scheduler.every(1.days()).run(move || {
+ update_instance_software(&mut conn_2, &user_agent);
});
// Manually run the scheduler in an event loop
/// Reindex the aggregates tables every one hour
/// This is necessary because hot_rank is actually a mutable function:
/// https://dba.stackexchange.com/questions/284052/how-to-create-an-index-based-on-a-time-based-function-in-postgres?noredirect=1#comment555727_284052
-fn reindex_aggregates_tables(conn: &PgConnection, concurrently: bool) {
+fn reindex_aggregates_tables(conn: &mut PgConnection, concurrently: bool) {
for table_name in &[
"post_aggregates",
"comment_aggregates",
}
}
-fn reindex_table(conn: &PgConnection, table_name: &str, concurrently: bool) {
+fn reindex_table(conn: &mut PgConnection, table_name: &str, concurrently: bool) {
let concurrently_str = if concurrently { "concurrently" } else { "" };
info!("Reindexing table {} {} ...", concurrently_str, table_name);
- let query = format!("reindex table {} {}", concurrently_str, table_name);
+ let query = format!("reindex table {concurrently_str} {table_name}");
sql_query(query).execute(conn).expect("reindex table");
info!("Done.");
}
/// Clear old activities (this table gets very large)
-fn clear_old_activities(conn: &PgConnection) {
+fn clear_old_activities(conn: &mut PgConnection) {
+ use diesel::dsl::{now, IntervalDsl};
+ use lemmy_db_schema::schema::activity::dsl::{activity, published};
info!("Clearing old activities...");
- Activity::delete_olds(conn).expect("clear old activities");
+ diesel::delete(activity.filter(published.lt(now - 6.months())))
+ .execute(conn)
+ .expect("clear old activities");
info!("Done.");
}
/// Re-calculate the site and community active counts every 12 hours
-fn active_counts(conn: &PgConnection) {
+fn active_counts(conn: &mut PgConnection) {
info!("Updating active site and community aggregates ...");
let intervals = vec![
}
/// Set banned to false after ban expires
-fn update_banned_when_expired(conn: &PgConnection) {
+fn update_banned_when_expired(conn: &mut PgConnection) {
info!("Updating banned column if it expires ...");
let update_ban_expires_stmt =
- format!("update person set banned = false where banned = true and ban_expires < now()");
+ "update person set banned = false where banned = true and ban_expires < now()";
sql_query(update_ban_expires_stmt)
.execute(conn)
.expect("update banned when expires");
}
+
+/// Drops the phantom CCNEW indexes created by postgres
+/// https://github.com/LemmyNet/lemmy/issues/2431
+fn drop_ccnew_indexes(conn: &mut PgConnection) {
+ info!("Dropping phantom ccnew indexes...");
+ let drop_stmt = "select drop_ccnew_indexes()";
+ sql_query(drop_stmt)
+ .execute(conn)
+ .expect("drop ccnew indexes");
+}
+
+/// Updates the instance software and version
+fn update_instance_software(conn: &mut PgConnection, user_agent: &str) {
+ use lemmy_db_schema::schema::instance;
+ info!("Updating instances software and versions...");
+
+ let client = Client::builder()
+ .user_agent(user_agent)
+ .timeout(REQWEST_TIMEOUT)
+ .build()
+ .expect("couldnt build reqwest client");
+
+ let instances = instance::table
+ .get_results::<Instance>(conn)
+ .expect("no instances found");
+
+ for instance in instances {
+ let node_info_url = format!("https://{}/nodeinfo/2.0.json", instance.domain);
+
+ // Skip it if it can't connect
+ let res = client
+ .get(&node_info_url)
+ .send()
+ .ok()
+ .and_then(|t| t.json::<NodeInfo>().ok());
+
+ if let Some(node_info) = res {
+ let software = node_info.software.as_ref();
+ let form = InstanceForm::builder()
+ .domain(instance.domain)
+ .software(software.and_then(|s| s.name.clone()))
+ .version(software.and_then(|s| s.version.clone()))
+ .updated(Some(naive_now()))
+ .build();
+
+ diesel::update(instance::table.find(instance.id))
+ .set(form)
+ .execute(conn)
+ .expect("update site instance software");
+ }
+ }
+ info!("Done.");
+}
+
+#[cfg(test)]
+mod tests {
+ use lemmy_routes::nodeinfo::NodeInfo;
+ use reqwest::Client;
+
+ #[tokio::test]
+ async fn test_nodeinfo() {
+ let client = Client::builder().build().unwrap();
+ let lemmy_ml_nodeinfo = client
+ .get("https://lemmy.ml/nodeinfo/2.0.json")
+ .send()
+ .await
+ .unwrap()
+ .json::<NodeInfo>()
+ .await
+ .unwrap();
+
+ assert_eq!(lemmy_ml_nodeinfo.software.unwrap().name.unwrap(), "lemmy");
+ }
+}
projects / lemmy.git / blobdiff