feat: Parse and use retryDelay from Google API RateLimitExceeded errors (#4124)

Signed-off-by: sings-to-bees-on-wednesdays <222684290+sings-to-bees-on-wednesdays@users.noreply.github.com>
Co-authored-by: Jack Amadeo <jackamadeo@block.xyz>
Co-authored-by: Jack Amadeo <jackamadeo@squareup.com>
This commit is contained in:
sings-to-bees-on-wednesdays
2025-09-25 15:05:18 +00:00
committed by GitHub
parent 94cf5c85a0
commit b5c133cecb
9 changed files with 113 additions and 25 deletions
@@ -389,7 +389,7 @@ pub async fn get_provider_models(
ProviderError::UsageError(_) => StatusCode::BAD_REQUEST,
// Transient errors - client should retry later
ProviderError::RateLimitExceeded(_) => StatusCode::TOO_MANY_REQUESTS,
ProviderError::RateLimitExceeded { .. } => StatusCode::TOO_MANY_REQUESTS,
// All other errors - internal server error
_ => StatusCode::INTERNAL_SERVER_ERROR,
+1 -1
View File
@@ -251,7 +251,7 @@ impl SubAgent {
last_error = Some(anyhow::anyhow!("Context length exceeded"));
break;
}
Err(ProviderError::RateLimitExceeded(_)) => {
Err(ProviderError::RateLimitExceeded { .. }) => {
self.set_status(SubAgentStatus::Completed("Rate limit exceeded".to_string()))
.await;
last_error = Some(anyhow::anyhow!("Rate limit exceeded"));
+4 -4
View File
@@ -137,10 +137,10 @@ impl BedrockProvider {
.await
.map_err(|err| match err.into_service_error() {
ConverseError::ThrottlingException(throttle_err) => {
ProviderError::RateLimitExceeded(format!(
"Bedrock throttling error: {:?}",
throttle_err
))
ProviderError::RateLimitExceeded {
details: format!("Bedrock throttling error: {:?}", throttle_err),
retry_delay: None,
}
}
ConverseError::AccessDeniedException(err) => {
ProviderError::Authentication(format!("Failed to call Bedrock: {:?}", err))
+6 -2
View File
@@ -1,4 +1,5 @@
use reqwest::StatusCode;
use std::time::Duration;
use thiserror::Error;
#[derive(Error, Debug, PartialEq)]
@@ -9,8 +10,11 @@ pub enum ProviderError {
#[error("Context length exceeded: {0}")]
ContextLengthExceeded(String),
#[error("Rate limit exceeded: {0}")]
RateLimitExceeded(String),
#[error("Rate limit exceeded: {details}")]
RateLimitExceeded {
details: String,
retry_delay: Option<Duration>,
},
#[error("Server error: {0}")]
ServerError(String),
+20 -9
View File
@@ -260,7 +260,10 @@ impl GcpVertexAIProvider {
self.retry_config.max_retries
);
tracing::error!("{}", error_msg);
return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded(error_msg)));
return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded {
details: error_msg,
retry_delay: None,
}));
}
// Get a fresh auth token for each attempt
@@ -292,9 +295,10 @@ impl GcpVertexAIProvider {
self.retry_config.max_retries
);
tracing::error!("{}", error_msg);
return Err(
last_error.unwrap_or(ProviderError::RateLimitExceeded(error_msg))
);
return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded {
details: error_msg,
retry_delay: None,
}));
}
// Try to parse response for more detailed error info
@@ -319,7 +323,10 @@ impl GcpVertexAIProvider {
);
// Store the error in case we need to return it after max retries
last_error = Some(ProviderError::RateLimitExceeded(error_message));
last_error = Some(ProviderError::RateLimitExceeded {
details: error_message,
retry_delay: None,
});
// Calculate and apply the backoff delay
let delay = self.retry_config.delay_for_attempt(rate_limit_attempts);
@@ -335,9 +342,10 @@ impl GcpVertexAIProvider {
self.retry_config.max_retries
);
tracing::error!("{}", error_msg);
return Err(
last_error.unwrap_or(ProviderError::RateLimitExceeded(error_msg))
);
return Err(last_error.unwrap_or(ProviderError::RateLimitExceeded {
details: error_msg,
retry_delay: None,
}));
}
// Handle 529 Overloaded error (https://docs.anthropic.com/en/api/errors)
@@ -354,7 +362,10 @@ impl GcpVertexAIProvider {
);
// Store the error in case we need to return it after max retries
last_error = Some(ProviderError::RateLimitExceeded(error_message));
last_error = Some(ProviderError::RateLimitExceeded {
details: error_message,
retry_delay: None,
});
// Calculate and apply the backoff delay
let delay = self.retry_config.delay_for_attempt(overloaded_attempts);
+6 -1
View File
@@ -105,7 +105,12 @@ impl OpenRouterProvider {
// Return appropriate error based on the OpenRouter error code
match error_code {
401 | 403 => return Err(ProviderError::Authentication(error_message.to_string())),
429 => return Err(ProviderError::RateLimitExceeded(error_message.to_string())),
429 => {
return Err(ProviderError::RateLimitExceeded {
details: error_message.to_string(),
retry_delay: None,
})
}
500 | 503 => return Err(ProviderError::ServerError(error_message.to_string())),
_ => return Err(ProviderError::RequestFailed(error_message.to_string())),
}
+9 -2
View File
@@ -89,7 +89,7 @@ pub trait ProviderRetry {
Err(error) => {
let should_retry = matches!(
error,
ProviderError::RateLimitExceeded(_) | ProviderError::ServerError(_)
ProviderError::RateLimitExceeded { .. } | ProviderError::ServerError(_)
);
if should_retry && attempts < config.max_retries {
@@ -101,7 +101,14 @@ pub trait ProviderRetry {
error
);
let delay = config.delay_for_attempt(attempts);
let delay = match &error {
ProviderError::RateLimitExceeded {
retry_delay: Some(provider_delay),
..
} => *provider_delay,
_ => config.delay_for_attempt(attempts),
};
tracing::info!("Backing off for {:?} before retry", delay);
sleep(delay).await;
continue;
+6 -1
View File
@@ -114,7 +114,12 @@ impl TetrateProvider {
// Return appropriate error based on the error code
match error_code {
401 | 403 => return Err(ProviderError::Authentication(error_message.to_string())),
429 => return Err(ProviderError::RateLimitExceeded(error_message.to_string())),
429 => {
return Err(ProviderError::RateLimitExceeded {
details: error_message.to_string(),
retry_delay: None,
})
}
500 | 503 => return Err(ProviderError::ServerError(error_message.to_string())),
_ => return Err(ProviderError::RequestFailed(error_message.to_string())),
}
+60 -4
View File
@@ -10,6 +10,7 @@ use serde::{Deserialize, Serialize};
use serde_json::{json, Map, Value};
use std::io::Read;
use std::path::Path;
use std::time::Duration;
use crate::providers::errors::{OpenAIError, ProviderError};
@@ -105,7 +106,10 @@ pub fn map_http_error_to_provider_error(
))
}
}
StatusCode::TOO_MANY_REQUESTS => ProviderError::RateLimitExceeded(format!("{:?}", payload)),
StatusCode::TOO_MANY_REQUESTS => ProviderError::RateLimitExceeded {
details: format!("{:?}", payload),
retry_delay: None,
},
_ if status.is_server_error() => ProviderError::ServerError(format!("{:?}", payload)),
_ => ProviderError::RequestFailed(format!("Request failed with status: {}", status)),
};
@@ -212,6 +216,31 @@ fn get_google_final_status(status: StatusCode, payload: Option<&Value>) -> Statu
status
}
fn parse_google_retry_delay(payload: &Value) -> Option<Duration> {
payload
.get("error")
.and_then(|error| error.get("details"))
.and_then(|details| details.as_array())
.and_then(|details_array| {
details_array.iter().find_map(|detail| {
if detail
.get("@type")
.and_then(|t| t.as_str())
.is_some_and(|s| s.ends_with("RetryInfo"))
{
detail
.get("retryDelay")
.and_then(|delay| delay.as_str())
.and_then(|s| s.strip_suffix('s'))
.and_then(|num| num.parse::<u64>().ok())
.map(Duration::from_secs)
} else {
None
}
})
})
}
/// Handle response from Google Gemini API-compatible endpoints.
///
/// Processes HTTP responses, handling specific statuses and parsing the payload
@@ -253,6 +282,13 @@ pub async fn handle_response_google_compat(response: Response) -> Result<Value,
);
Err(ProviderError::RequestFailed(format!("Request failed with status: {}. Message: {}", final_status, error_msg)))
}
StatusCode::TOO_MANY_REQUESTS => {
let retry_delay = payload.as_ref().and_then(parse_google_retry_delay);
Err(ProviderError::RateLimitExceeded {
details: format!("{:?}", payload),
retry_delay,
})
}
_ if final_status.is_server_error() => {
Err(ProviderError::ServerError(format!("{:?}", payload)))
}
@@ -804,6 +840,25 @@ mod tests {
"Hello\\u0001World"
);
}
#[test]
fn test_parse_google_retry_delay() {
let payload = json!({
"error": {
"details": [
{
"@type": "type.googleapis.com/google.rpc.RetryInfo",
"retryDelay": "42s"
}
]
}
});
assert_eq!(
parse_google_retry_delay(&payload),
Some(Duration::from_secs(42))
);
}
#[tokio::test]
async fn test_handle_status_openai_compat() {
let test_cases = vec![
@@ -969,9 +1024,10 @@ mod tests {
(
StatusCode::TOO_MANY_REQUESTS,
Some(json!({"retry_after": 60})),
ProviderError::RateLimitExceeded(
"Some(Object {\"retry_after\": Number(60)})".to_string(),
),
ProviderError::RateLimitExceeded{
details: "Some(Object {\"retry_after\": Number(60)})".to_string(),
retry_delay: None,
},
),
// is_server_error() without payload
(