feat(gcpvertexai): do HTTP 429 like retries for Anthropic API HTTP 529 overloaded status code (#3026)

Co-authored-by: Michael Neale <michael.neale@gmail.com>
This commit is contained in:
Uddhav Kambli
2025-07-16 22:10:48 -04:00
committed by GitHub
parent 33c082cd5b
commit 21b79ad240
4 changed files with 234 additions and 75 deletions
@@ -83,6 +83,8 @@ pub enum ClaudeVersion {
Haiku35,
/// Claude Sonnet 4
Sonnet4,
/// Claude Opus 4
Opus4,
/// Generic Claude model for custom or new versions
Generic(String),
}
@@ -102,6 +104,10 @@ pub enum GeminiVersion {
Flash25Preview,
/// Gemini 2.5 Pro Preview version
Pro25Preview,
/// Gemini 2.5 Flash version
Flash25,
/// Gemini 2.5 Pro version
Pro25,
/// Generic Gemini model for custom or new versions
Generic(String),
}
@@ -115,6 +121,7 @@ impl fmt::Display for GcpVertexAIModel {
ClaudeVersion::Sonnet37 => "claude-3-7-sonnet@20250219",
ClaudeVersion::Haiku35 => "claude-3-5-haiku@20241022",
ClaudeVersion::Sonnet4 => "claude-sonnet-4@20250514",
ClaudeVersion::Opus4 => "claude-opus-4@20250514",
ClaudeVersion::Generic(name) => name,
},
Self::Gemini(version) => match version {
@@ -124,6 +131,8 @@ impl fmt::Display for GcpVertexAIModel {
GeminiVersion::Pro25Exp => "gemini-2.5-pro-exp-03-25",
GeminiVersion::Flash25Preview => "gemini-2.5-flash-preview-05-20",
GeminiVersion::Pro25Preview => "gemini-2.5-pro-preview-05-06",
GeminiVersion::Flash25 => "gemini-2.5-flash",
GeminiVersion::Pro25 => "gemini-2.5-pro",
GeminiVersion::Generic(name) => name,
},
};
@@ -156,12 +165,15 @@ impl TryFrom<&str> for GcpVertexAIModel {
"claude-3-7-sonnet@20250219" => Ok(Self::Claude(ClaudeVersion::Sonnet37)),
"claude-3-5-haiku@20241022" => Ok(Self::Claude(ClaudeVersion::Haiku35)),
"claude-sonnet-4@20250514" => Ok(Self::Claude(ClaudeVersion::Sonnet4)),
"claude-opus-4@20250514" => Ok(Self::Claude(ClaudeVersion::Opus4)),
"gemini-1.5-pro-002" => Ok(Self::Gemini(GeminiVersion::Pro15)),
"gemini-2.0-flash-001" => Ok(Self::Gemini(GeminiVersion::Flash20)),
"gemini-2.0-pro-exp-02-05" => Ok(Self::Gemini(GeminiVersion::Pro20Exp)),
"gemini-2.5-pro-exp-03-25" => Ok(Self::Gemini(GeminiVersion::Pro25Exp)),
"gemini-2.5-flash-preview-05-20" => Ok(Self::Gemini(GeminiVersion::Flash25Preview)),
"gemini-2.5-pro-preview-05-06" => Ok(Self::Gemini(GeminiVersion::Pro25Preview)),
"gemini-2.5-flash" => Ok(Self::Gemini(GeminiVersion::Flash25)),
"gemini-2.5-pro" => Ok(Self::Gemini(GeminiVersion::Pro25)),
// Generic models based on prefix matching
_ if s.starts_with("claude-") => {
Ok(Self::Claude(ClaudeVersion::Generic(s.to_string())))
@@ -427,7 +439,7 @@ mod tests {
}
// Test generic Gemini models
let gemini_models = ["gemini-3-pro", "gemini-2.5-flash", "gemini-experimental"];
let gemini_models = ["gemini-3-pro", "gemini-2.0-flash", "gemini-experimental"];
for model_id in gemini_models {
let model = GcpVertexAIModel::try_from(model_id)?;