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87 changes: 46 additions & 41 deletions bottlecap/Cargo.lock

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14 changes: 7 additions & 7 deletions bottlecap/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -74,13 +74,13 @@ indexmap = {version = "2.11.0", default-features = false}
# be found in the clippy.toml file adjacent to this Cargo.toml.
datadog-protos = { version = "0.1.0", default-features = false, git = "https://github.com/DataDog/saluki/", rev = "f863626dbfe3c59bb390985fa6530b0621c2a0a2"}
ddsketch-agent = { version = "0.1.0", default-features = false, git = "https://github.com/DataDog/saluki/", rev = "f863626dbfe3c59bb390985fa6530b0621c2a0a2"}
libdd-capabilities = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57" }
libdd-common = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57", default-features = false }
libdd-trace-protobuf = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57" }
libdd-trace-utils = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57", default-features = false, features = ["mini_agent"] }
libdd-trace-normalization = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57" }
libdd-trace-obfuscation = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57", default-features = false }
libdd-trace-stats = { git = "https://github.com/DataDog/libdatadog", rev = "db05e1f8408a76075efb37ecec544d2e74217e57", default-features = false }
libdd-capabilities = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03" }
libdd-common = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03", default-features = false }
libdd-trace-protobuf = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03" }
libdd-trace-utils = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03", default-features = false, features = ["mini_agent"] }
libdd-trace-normalization = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03" }
libdd-trace-obfuscation = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03", default-features = false }
libdd-trace-stats = { git = "https://github.com/DataDog/libdatadog", rev = "48da0d82cb32b43d4cdece35b794c9bcbc275a03", default-features = false }
datadog-opentelemetry = { git = "https://github.com/DataDog/dd-trace-rs", rev = "f51cefc4ad24bec81b38fb2f36b1ed93f21ae913", default-features = false }
dogstatsd = { git = "https://github.com/DataDog/serverless-components", rev = "5b68f50f49c9defbfed4d25bd621e2a86405a972", default-features = false }
datadog-fips = { git = "https://github.com/DataDog/serverless-components", rev = "5b68f50f49c9defbfed4d25bd621e2a86405a972", default-features = false }
Expand Down
26 changes: 21 additions & 5 deletions bottlecap/src/traces/http_client.rs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,8 @@ use hyper_http_proxy;
use hyper_rustls::HttpsConnectorBuilder;
use libdd_capabilities::{
MaybeSend,
http::{HttpClientTrait, HttpError},
http::{HttpClientCapability, HttpError},
sleep::SleepCapability,
};
use libdd_common::http_common::{self, Body, GenericHttpClient};
use rustls::RootCertStore;
Expand All @@ -21,6 +22,7 @@ use std::fs::File;
use std::future::Future;
use std::io::BufReader;
use std::sync::{Arc, LazyLock};
use std::time::Duration;
use tracing::debug;

type InnerClient =
Expand All @@ -29,8 +31,8 @@ type InnerClient =
/// HTTP client used by trace and stats flushers.
///
/// Wraps a hyper client preconfigured with optional proxy and TLS settings, and
/// implements [`HttpClientTrait`] so it can be passed to `libdd_trace_utils`
/// senders such as `SendData::send`.
/// implements [`HttpClientCapability`] and [`SleepCapability`] so it can be
/// passed to `libdd_trace_utils` senders such as `SendData::send`.
#[derive(Clone, Debug)]
pub struct HttpClient {
inner: InnerClient,
Expand All @@ -42,10 +44,10 @@ impl HttpClient {
}
}

impl HttpClientTrait for HttpClient {
impl HttpClientCapability for HttpClient {
#[allow(clippy::expect_used)]
fn new_client() -> Self {
// Required by `HttpClientTrait` but never invoked on bottlecap's code
// Required by `HttpClientCapability` but never invoked on bottlecap's code
// paths — production builds the client via
// `create_client(proxy, tls_cert, skip_ssl)`. Routing this fallback
// through the same constructor keeps the failure mode and error
Expand Down Expand Up @@ -76,6 +78,20 @@ impl HttpClientTrait for HttpClient {
}
}

impl SleepCapability for HttpClient {
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Shouldn't this live then either in test or with the test feature so its not included in prod code?

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The libdatadog version bump made SendData::send require HttpClientCapability + SleepCapability, and bottlecap calls send, so the binary won't compile without it.

The // never invoked on bottlecap's code paths comment only applies to the new() constructor. It's trait-required factory we never call, same as new_client() on HttpClientCapability above. The sleep() method itself is used in production: libdatadog's sender calls it for retry/backoff between send attempts.

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mmm, and so we're getting that new capability which might not be something we want for lambda lifecycle no?

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The retry/backoff isn't new with this bump. send_with_retry already existed at the previous revision and bottlecap already goes through it. Bottlecap configures its own strategy in trace_flusher.rs (trace_retry_strategy(): 3 retries, 0ms delay, constant backoff), so we're already opted in explicitly.

SleepCapability only changed how libdatadog reaches the sleep primitive: the request timeout went from tokio::time::timeout(...) to a select! race against capabilities.sleep(timeout), which is the same tokio::time::sleep underneath on our target. Same runtime behavior, no new waiting in the Lambda lifecycle.

🤖

fn new() -> Self {
// Required by `SleepCapability` but never invoked on bottlecap's code
// paths — production builds the client via
// `create_client(proxy, tls_cert, skip_ssl)`. Mirror `new_client()` so
// the failure mode stays consistent with the rest of the module.
<Self as HttpClientCapability>::new_client()
}

fn sleep(&self, duration: Duration) -> impl Future<Output = ()> + MaybeSend {
tokio::time::sleep(duration)
}
}

/// Initialize the crypto provider needed for setting custom root certificates.
fn ensure_crypto_provider_initialized() {
static INIT_CRYPTO_PROVIDER: LazyLock<()> = LazyLock::new(|| {
Expand Down
2 changes: 1 addition & 1 deletion bottlecap/src/traces/stats_flusher.rs
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ use crate::traces::http_client::HttpClient;
use crate::traces::stats_aggregator::StatsAggregator;
use bytes::Bytes;
use dogstatsd::api_key::ApiKeyFactory;
use libdd_capabilities::http::HttpClientTrait;
use libdd_capabilities::http::HttpClientCapability;
use libdd_common::Endpoint;
use libdd_trace_protobuf::pb;
use libdd_trace_utils::stats_utils;
Expand Down
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