feat: emit pool timeouts/conditional failures as metrics (not sentry)

autoconnect/autoconnect-settings/src/app_state.rs

@@ -7,6 +7,7 @@ use autopush_common::db::dual::DualClientImpl;
 #[cfg(feature = "dynamodb")]
 use autopush_common::db::dynamodb::DdbClientImpl;
 use cadence::StatsdClient;
+use config::ConfigError;
 use fernet::{Fernet, MultiFernet};
 use tokio::sync::RwLock;
 
@@ -15,7 +16,6 @@ use autoconnect_common::{
     registry::ClientRegistry,
 };
 use autopush_common::db::{client::DbClient, DbSettings, StorageType};
-use autopush_common::errors::{ApcErrorKind, Result};
 
 use crate::{Settings, ENV_PREFIX};
 
@@ -39,32 +39,29 @@ pub struct AppState {
 }
 
 impl AppState {
-    pub fn from_settings(settings: Settings) -> Result<Self> {
+    pub fn from_settings(settings: Settings) -> Result<Self, ConfigError> {
         let crypto_key = &settings.crypto_key;
         if !(crypto_key.starts_with('[') && crypto_key.ends_with(']')) {
-            return Err(
-                ApcErrorKind::ConfigError(config::ConfigError::Message(format!(
-                    "Invalid {}_CRYPTO_KEY",
-                    ENV_PREFIX
-                )))
-                .into(),
-            );
+            return Err(ConfigError::Message(format!(
+                "Invalid {ENV_PREFIX}_CRYPTO_KEY"
+            )));
         }
         let crypto_key = &crypto_key[1..crypto_key.len() - 1];
         debug!("🔐 Fernet keys: {:?}", &crypto_key);
         let fernets: Vec<Fernet> = crypto_key
             .split(',')
             .map(|s| s.trim().to_string())
             .map(|key| {
-                Fernet::new(&key).unwrap_or_else(|| panic!("Invalid {}_CRYPTO_KEY", ENV_PREFIX))
+                Fernet::new(&key).unwrap_or_else(|| panic!("Invalid {ENV_PREFIX}_CRYPTO_KEY"))
             })
             .collect();
         let fernet = MultiFernet::new(fernets);
         let metrics = autopush_common::metrics::builder(
             &settings.statsd_label,
             &settings.statsd_host,
             settings.statsd_port,
-        )?
+        )
+        .map_err(|e| ConfigError::Message(e.to_string()))?
         // Temporary tag to distinguish from the legacy autopush(connect)
         .with_tag("autoconnect", "true")
         .build();
@@ -78,16 +75,21 @@ impl AppState {
         #[allow(unused)]
         let db: Box<dyn DbClient> = match storage_type {
             #[cfg(feature = "dynamodb")]
-            StorageType::DynamoDb => Box::new(DdbClientImpl::new(metrics.clone(), &db_settings)?),
+            StorageType::DynamoDb => Box::new(
+                DdbClientImpl::new(metrics.clone(), &db_settings)
+                    .map_err(|e| ConfigError::Message(e.to_string()))?,
+            ),
             #[cfg(feature = "bigtable")]
             StorageType::BigTable => {
-                let client = BigTableClientImpl::new(metrics.clone(), &db_settings)?;
+                let client = BigTableClientImpl::new(metrics.clone(), &db_settings)
+                    .map_err(|e| ConfigError::Message(e.to_string()))?;
                 client.spawn_sweeper(Duration::from_secs(30));
                 Box::new(client)
             }
             #[cfg(all(feature = "bigtable", feature = "dynamodb"))]
             StorageType::Dual => {
-                let client = DualClientImpl::new(metrics.clone(), &db_settings)?;
+                let client = DualClientImpl::new(metrics.clone(), &db_settings)
+                    .map_err(|e| ConfigError::Message(e.to_string()))?;
                 client.spawn_sweeper(Duration::from_secs(30));
                 Box::new(client)
             }
@@ -122,17 +124,14 @@ impl AppState {
     /// Initialize the `BroadcastChangeTracker`
     ///
     /// Via `autoconnect_common::megaphone::init_and_spawn_megaphone_updater`
-    pub async fn init_and_spawn_megaphone_updater(&self) -> Result<()> {
+    pub async fn init_and_spawn_megaphone_updater(&self) -> Result<(), ConfigError> {
         let Some(ref url) = self.settings.megaphone_api_url else {
             return Ok(());
         };
         let Some(ref token) = self.settings.megaphone_api_token else {
-            return Err(
-                ApcErrorKind::ConfigError(config::ConfigError::Message(format!(
-                    "{ENV_PREFIX}__MEGAPHONE_API_URL requires {ENV_PREFIX}__MEGAPHONE_API_TOKEN"
-                )))
-                .into(),
-            );
+            return Err(ConfigError::Message(format!(
+                "{ENV_PREFIX}__MEGAPHONE_API_URL requires {ENV_PREFIX}__MEGAPHONE_API_TOKEN"
+            )));
         };
         init_and_spawn_megaphone_updater(
             &self.broadcaster,
@@ -143,7 +142,7 @@ impl AppState {
             self.settings.megaphone_poll_interval,
         )
         .await
-        .map_err(|e| ApcErrorKind::GeneralError(format!("{}", e)))?;
+        .map_err(|e| ConfigError::Message(e.to_string()))?;
         Ok(())
     }
 }

autoendpoint/src/error.rs

@@ -1,5 +1,4 @@
 //! Error types and transformations
-// TODO: Collpase these into `autopush_common::error`
 
 use crate::headers::vapid::VapidError;
 use crate::routers::RouterError;
@@ -82,6 +81,9 @@ pub enum ApiErrorKind {
     #[error("Database error: {0}")]
     Database(#[from] DbError),
 
+    #[error("Conditional database operation failed: {0}")]
+    Conditional(String),
+
     #[error("Invalid token")]
     InvalidToken,
 
@@ -150,7 +152,9 @@ impl ApiErrorKind {
 
             ApiErrorKind::LogCheck => StatusCode::IM_A_TEAPOT,
 
-            ApiErrorKind::Database(DbError::Backoff(_)) => StatusCode::SERVICE_UNAVAILABLE,
+            ApiErrorKind::Database(DbError::Backoff(_)) | ApiErrorKind::Conditional(_) => {
+                StatusCode::SERVICE_UNAVAILABLE
+            }
 
             ApiErrorKind::General(_)
             | ApiErrorKind::Io(_)
@@ -192,6 +196,7 @@ impl ApiErrorKind {
             ApiErrorKind::Io(_) => "io",
             ApiErrorKind::Metrics(_) => "metrics",
             ApiErrorKind::Database(_) => "database",
+            ApiErrorKind::Conditional(_) => "conditional",
             ApiErrorKind::EndpointUrl(_) => "endpoint_url",
             ApiErrorKind::RegistrationSecretHash(_) => "registration_secret_hash",
         })
@@ -202,22 +207,21 @@ impl ApiErrorKind {
         match self {
             // ignore selected validation errors.
             ApiErrorKind::Router(e) => e.is_sentry_event(),
-            _ => !matches!(
-                self,
-                // Ignore common webpush errors
-                ApiErrorKind::NoTTL | ApiErrorKind::InvalidEncryption(_) |
-                // Ignore common VAPID erros
-                ApiErrorKind::VapidError(_)
+            // Ignore common webpush errors
+            ApiErrorKind::NoTTL | ApiErrorKind::InvalidEncryption(_) |
+            // Ignore common VAPID erros
+            ApiErrorKind::VapidError(_)
                 | ApiErrorKind::Jwt(_)
                 | ApiErrorKind::TokenHashValidation(_)
                 | ApiErrorKind::InvalidAuthentication
                 | ApiErrorKind::InvalidLocalAuth(_) |
-                // Ignore missing or invalid user errors
-                ApiErrorKind::NoUser | ApiErrorKind::NoSubscription |
-                // Ignore oversized payload.
-                ApiErrorKind::PayloadError(_) |
-                ApiErrorKind::Validation(_),
-            ),
+            // Ignore missing or invalid user errors
+            ApiErrorKind::NoUser | ApiErrorKind::NoSubscription |
+            // Ignore oversized payload.
+            ApiErrorKind::PayloadError(_) |
+            ApiErrorKind::Validation(_) |
+            ApiErrorKind::Conditional(_) => false,
+            _ => true,
         }
     }
 
@@ -259,6 +263,7 @@ impl ApiErrorKind {
             | ApiErrorKind::Io(_)
             | ApiErrorKind::Metrics(_)
             | ApiErrorKind::Database(_)
+            | ApiErrorKind::Conditional(_)
             | ApiErrorKind::PayloadError(_)
             | ApiErrorKind::InvalidRouterToken
             | ApiErrorKind::RegistrationSecretHash(_)

autoendpoint/src/routes/registration.rs

@@ -116,8 +116,8 @@ pub async fn update_token_route(
     trace!("🌍 Updating user with UAID {uaid}");
     trace!("🌍 user = {user:?}");
     if !app_state.db.update_user(&mut user).await? {
-        // Unlikely to occur on mobile records
-        return Err(ApiErrorKind::General("Conditional update failed".to_owned()).into());
+        // Occurs occasionally on mobile records
+        return Err(ApiErrorKind::Conditional("update_user".to_owned()).into());
     }
 
     trace!("🌍 Finished updating token for UAID {uaid}");

autopush-common/src/db/bigtable/bigtable_client/error.rs

@@ -1,6 +1,7 @@
 use std::fmt::{self, Display};
 
 use backtrace::Backtrace;
+use deadpool::managed::{PoolError, TimeoutType};
 use thiserror::Error;
 
 use crate::errors::ReportableError;
@@ -109,12 +110,13 @@ pub enum BigTableError {
     #[error("BigTable Admin Error: {0}")]
     Admin(String, Option<String>),
 
-    #[error("Bigtable Recycle request")]
-    Recycle,
-
-    /// General Pool builder errors.
+    /// General Pool errors
     #[error("Pool Error: {0}")]
-    Pool(String),
+    Pool(Box<PoolError<BigTableError>>),
+
+    /// Timeout occurred while getting a pooled connection
+    #[error("Pool Timeout: {0:?}")]
+    PoolTimeout(TimeoutType),
 
     #[error("BigTable config error: {0}")]
     Config(String),
@@ -130,30 +132,40 @@ impl ReportableError for BigTableError {
     }
 
     fn is_sentry_event(&self) -> bool {
-        // eventually, only capture important errors
-        //matches!(&self, BigTableError::Admin(_, _))
-        true
+        #[allow(clippy::match_like_matches_macro)]
+        match self {
+            BigTableError::PoolTimeout(_) => false,
+            _ => true,
+        }
     }
 
     fn metric_label(&self) -> Option<&'static str> {
-        let err = match &self {
+        let err = match self {
             BigTableError::InvalidRowResponse(_) => "storage.bigtable.error.invalid_row_response",
             BigTableError::InvalidChunk(_) => "storage.bigtable.error.invalid_chunk",
             BigTableError::Read(_) => "storage.bigtable.error.read",
             BigTableError::Write(_) => "storage.bigtable.error.write",
             BigTableError::Status(_, _) => "storage.bigtable.error.status",
             BigTableError::WriteTime(_) => "storage.bigtable.error.writetime",
             BigTableError::Admin(_, _) => "storage.bigtable.error.admin",
-            BigTableError::Recycle => "storage.bigtable.error.recycle",
             BigTableError::Pool(_) => "storage.bigtable.error.pool",
+            BigTableError::PoolTimeout(_) => "storage.bigtable.error.pool_timeout",
             BigTableError::GRPC(_) => "storage.bigtable.error.grpc",
             BigTableError::Config(_) => "storage.bigtable.error.config",
         };
         Some(err)
     }
 
+    fn tags(&self) -> Vec<(&str, String)> {
+        #[allow(clippy::match_like_matches_macro)]
+        match self {
+            BigTableError::PoolTimeout(tt) => vec![("type", format!("{tt:?}").to_lowercase())],
+            _ => vec![],
+        }
+    }
+
     fn extras(&self) -> Vec<(&str, String)> {
-        match &self {
+        match self {
             BigTableError::InvalidRowResponse(s) => vec![("error", s.to_string())],
             BigTableError::InvalidChunk(s) => vec![("error", s.to_string())],
             BigTableError::GRPC(s) => vec![("error", s.to_string())],
@@ -170,7 +182,7 @@ impl ReportableError for BigTableError {
                 };
                 x
             }
-            BigTableError::Pool(s) => vec![("error", s.to_owned())],
+            BigTableError::Pool(e) => vec![("error", e.to_string())],
             _ => vec![],
         }
     }

autopush-common/src/db/bigtable/bigtable_client/mod.rs

@@ -779,7 +779,10 @@ impl BigtableDb {
     /// stack.
     ///
     ///
-    pub async fn health_check(&mut self, metrics: Arc<StatsdClient>) -> DbResult<bool> {
+    pub async fn health_check(
+        &mut self,
+        metrics: Arc<StatsdClient>,
+    ) -> Result<bool, error::BigTableError> {
         // It is recommended that we pick a random key to perform the health check. Selecting
         // a single key for all health checks causes a "hot tablet" to arise. The `PingAndWarm`
         // is intended to be used prior to large updates and is not recommended for use in
@@ -800,7 +803,7 @@ impl BigtableDb {
                 retryable_error(metrics.clone()),
             )
             .await
-            .map_err(|e| DbError::General(format!("BigTable connectivity error: {:?}", e)))?;
+            .map_err(error::BigTableError::Read)?;
 
         debug!("🉑 health check");
         Ok(true)
@@ -1318,11 +1321,12 @@ impl DbClient for BigTableClientImpl {
     }
 
     async fn health_check(&self) -> DbResult<bool> {
-        self.pool
+        Ok(self
+            .pool
             .get()
             .await?
             .health_check(self.metrics.clone())
-            .await
+            .await?)
     }
 
     /// Returns true, because there's only one table in BigTable. We divide things up