Split arch wasm filter code into prompt and llm gateway filters (#190)

This commit is contained in:
Adil Hafeez 2024-10-17 10:16:40 -07:00 committed by GitHub
parent 8e54ac20d8
commit 21e7fe2cef
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
13 changed files with 696 additions and 2801 deletions

View file

@ -28,39 +28,11 @@ fn wasm_module() -> String {
fn request_headers_expectations(module: &mut Tester, http_context: i32) {
module
.call_proxy_on_request_headers(http_context, 0, false)
.expect_get_header_map_value(
Some(MapType::HttpRequestHeaders),
Some("x-arch-llm-provider-hint"),
)
.returning(Some("default"))
.expect_log(Some(LogLevel::Debug), None)
.expect_add_header_map_value(
Some(MapType::HttpRequestHeaders),
Some("x-arch-upstream"),
Some("arch_llm_listener"),
)
.expect_add_header_map_value(
Some(MapType::HttpRequestHeaders),
Some("x-arch-llm-provider"),
Some("open-ai-gpt-4"),
)
.expect_replace_header_map_value(
Some(MapType::HttpRequestHeaders),
Some("Authorization"),
Some("Bearer secret_key"),
)
.expect_remove_header_map_value(Some(MapType::HttpRequestHeaders), Some("content-length"))
.expect_get_header_map_value(
Some(MapType::HttpRequestHeaders),
Some("x-arch-ratelimit-selector"),
)
.returning(Some("selector-key"))
.expect_get_header_map_value(Some(MapType::HttpRequestHeaders), Some("selector-key"))
.returning(Some("selector-value"))
.expect_get_header_map_pairs(Some(MapType::HttpRequestHeaders))
.returning(None)
.expect_get_header_map_value(Some(MapType::HttpRequestHeaders), Some(":path"))
.returning(Some("/v1/chat/completions"))
.expect_get_header_map_pairs(Some(MapType::HttpRequestHeaders))
.returning(None)
.expect_log(Some(LogLevel::Debug), None)
.expect_get_header_map_value(Some(MapType::HttpRequestHeaders), Some("x-request-id"))
.returning(None)
@ -102,6 +74,7 @@ fn normal_flow(module: &mut Tester, filter_context: i32, http_context: i32) {
.expect_get_buffer_bytes(Some(BufferType::HttpRequestBody))
.returning(Some(chat_completions_request_body))
// The actual call is not important in this test, we just need to grab the token_id
.expect_log(Some(LogLevel::Debug), None)
.expect_http_call(
Some("arch_internal"),
Some(vec![
@ -259,7 +232,6 @@ fn setup_filter(module: &mut Tester, config: &str) -> i32 {
module
.call_proxy_on_context_create(filter_context, 0)
.expect_metric_creation(MetricType::Gauge, "active_http_calls")
.expect_metric_creation(MetricType::Counter, "ratelimited_rq")
.execute_and_expect(ReturnType::None)
.unwrap();
@ -455,6 +427,7 @@ fn successful_request_to_open_ai_chat_completions() {
.expect_get_buffer_bytes(Some(BufferType::HttpRequestBody))
.returning(Some(chat_completions_request_body))
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_http_call(Some("arch_internal"), None, None, None, None)
.returning(Some(4))
.expect_metric_increment("active_http_calls", 1)
@ -514,6 +487,7 @@ fn bad_request_to_open_ai_chat_completions() {
.expect_get_buffer_bytes(Some(BufferType::HttpRequestBody))
.returning(Some(incomplete_chat_completions_request_body))
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_send_local_response(
Some(StatusCode::BAD_REQUEST.as_u16().into()),
None,
@ -526,146 +500,7 @@ fn bad_request_to_open_ai_chat_completions() {
#[test]
#[serial]
fn request_ratelimited() {
let args = tester::MockSettings {
wasm_path: wasm_module(),
quiet: false,
allow_unexpected: false,
};
let mut module = tester::mock(args).unwrap();
module
.call_start()
.execute_and_expect(ReturnType::None)
.unwrap();
// Setup Filter
let filter_context = setup_filter(&mut module, default_config());
// Setup HTTP Stream
let http_context = 2;
normal_flow(&mut module, filter_context, http_context);
let arch_fc_resp = ChatCompletionsResponse {
usage: Some(Usage {
completion_tokens: 0,
}),
choices: vec![Choice {
finish_reason: "test".to_string(),
index: 0,
message: Message {
role: "system".to_string(),
content: None,
tool_calls: Some(vec![ToolCall {
id: String::from("test"),
tool_type: ToolType::Function,
function: FunctionCallDetail {
name: String::from("weather_forecast"),
arguments: HashMap::from([(
String::from("city"),
Value::String(String::from("seattle")),
)]),
},
}]),
model: None,
},
}],
model: String::from("test"),
metadata: None,
};
let arch_fc_resp_str = serde_json::to_string(&arch_fc_resp).unwrap();
module
.call_proxy_on_http_call_response(http_context, 4, 0, arch_fc_resp_str.len() as i32, 0)
.expect_metric_increment("active_http_calls", -1)
.expect_get_buffer_bytes(Some(BufferType::HttpCallResponseBody))
.returning(Some(&arch_fc_resp_str))
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_http_call(
Some("arch_internal"),
Some(vec![
("x-arch-upstream", "model_server"),
(":method", "POST"),
(":path", "/hallucination"),
(":authority", "model_server"),
("content-type", "application/json"),
("x-envoy-max-retries", "3"),
("x-envoy-upstream-rq-timeout-ms", "60000"),
]),
None,
None,
None,
)
.returning(Some(5))
.expect_metric_increment("active_http_calls", 1)
.execute_and_expect(ReturnType::None)
.unwrap();
let hallucatination_body = HallucinationClassificationResponse {
params_scores: HashMap::from([("city".to_string(), 0.99)]),
model: "nli-model".to_string(),
};
let body_text = serde_json::to_string(&hallucatination_body).unwrap();
module
.call_proxy_on_http_call_response(http_context, 5, 0, body_text.len() as i32, 0)
.expect_metric_increment("active_http_calls", -1)
.expect_get_buffer_bytes(Some(BufferType::HttpCallResponseBody))
.returning(Some(&body_text))
.expect_log(Some(LogLevel::Debug), None)
.expect_http_call(
Some("arch_internal"),
Some(vec![
("x-arch-upstream", "api_server"),
(":method", "POST"),
(":path", "/weather"),
(":authority", "api_server"),
("content-type", "application/json"),
("x-envoy-max-retries", "3"),
]),
None,
None,
None,
)
.returning(Some(6))
.expect_metric_increment("active_http_calls", 1)
.execute_and_expect(ReturnType::None)
.unwrap();
let body_text = String::from("test body");
module
.call_proxy_on_http_call_response(http_context, 6, 0, body_text.len() as i32, 0)
.expect_metric_increment("active_http_calls", -1)
.expect_get_buffer_bytes(Some(BufferType::HttpCallResponseBody))
.returning(Some(&body_text))
.expect_get_header_map_value(Some(MapType::HttpCallResponseHeaders), Some(":status"))
.returning(Some("200"))
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_send_local_response(
Some(StatusCode::TOO_MANY_REQUESTS.as_u16().into()),
None,
None,
None,
)
.expect_metric_increment("ratelimited_rq", 1)
.execute_and_expect(ReturnType::None)
.unwrap();
}
#[test]
#[serial]
fn request_not_ratelimited() {
fn request_to_llm_gateway() {
let args = tester::MockSettings {
wasm_path: wasm_module(),
quiet: false,
@ -797,9 +632,44 @@ fn request_not_ratelimited() {
.returning(Some("200"))
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_set_buffer_bytes(Some(BufferType::HttpRequestBody), None)
.execute_and_expect(ReturnType::None)
.unwrap();
let chat_completion_response = ChatCompletionsResponse {
usage: Some(Usage {
completion_tokens: 0,
}),
choices: vec![Choice {
finish_reason: "test".to_string(),
index: 0,
message: Message {
role: "assistant".to_string(),
content: Some("hello from fake llm gateway".to_string()),
model: None,
tool_calls: None,
},
}],
model: String::from("test"),
metadata: None,
};
let chat_completion_response_str = serde_json::to_string(&chat_completion_response).unwrap();
module
.call_proxy_on_response_body(
http_context,
chat_completion_response_str.len() as i32,
true,
)
.expect_get_buffer_bytes(Some(BufferType::HttpResponseBody))
.returning(Some(chat_completion_response_str.as_str()))
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_log(Some(LogLevel::Debug), None)
.expect_set_buffer_bytes(Some(BufferType::HttpResponseBody), None)
.expect_log(Some(LogLevel::Debug), None)
.execute_and_expect(ReturnType::Action(Action::Continue))
.unwrap();
}