error message for timeout; increase rules update interval

CHANGELOG.md

@@ -3,6 +3,7 @@
     * rules are applied also at shutdown
     * a welcome service message is sent to a service messenger instead of a general service messenger
     * rules update warn is sent to a service messenger first
+    * rules update interval is increased
 
 * 0.1.1
     * no panic for Google API access failure - just send an error to a messenger

README.md

@@ -480,7 +480,7 @@ Another notable use case is to log console errors from the frontend - catch JS e
 Every service automatically creates a rules sheet (for some services reasonable defaults are provided) which allows you to set notifications (via configured messengers) on the data as it is collected.
 Datetime for rules is optional and is set only for default rules. You choose a log name (everything up to the first `@` in a sheet title) and a key (a column header of a sheet), select a condition which is checked, and an action: either send info/warn/error message or skip the rule's match from any further rules processing.
 
-Rules are fetched from a rules sheet by every Goral service dynamically every 15-31 seconds (the period is jittered to prevent hitting the Google quota).
+Rules are fetched from a rules sheet by every Goral service dynamically every 30-46 seconds (the period is jittered to prevent hitting the Google quota).
 
 ## Recommended deployment
 

src/services/mod.rs

@@ -228,7 +228,7 @@ pub trait Service: Send + Sync {
     }
 
     fn rules_update_interval(&self) -> Duration {
-        Duration::from_secs(15) + jitter_duration()
+        Duration::from_secs(30) + jitter_duration()
     }
 
     fn get_example_rules(&self) -> Vec<Datarow> {

src/storage.rs

@@ -159,6 +159,7 @@ impl AppendableLog {
                 _ = &mut max_backoff => {break;}
                 _ = tokio::time::sleep(timeout) => {
                     tracing::warn!("No response from Google API for timeout {:?} for retry {} for service `{}`", timeout, retry, self.service);
+                    last_retry_error = format!("timeout {:?}", timeout);
                 },
                 res = self.fetch_sheets() => {
                     if let Err(StorageError::Retriable(e)) = res {