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Make NAR upload streaming

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This commit is contained in:
Eelco Dolstra 2024-02-29 21:22:29 +01:00
parent 334bcc7df9
commit f16e3c292a
3 changed files with 10 additions and 11 deletions
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1
Cargo.lock generated
View file

@ -4680,6 +4680,7 @@ checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
dependencies = [
"bytes",
"futures-core",
"futures-io",
"futures-sink",
"pin-project-lite",
"tokio",

2
magic-nix-cache/Cargo.toml
View file

@ -17,7 +17,7 @@ serde = { version = "1.0.162", features = ["derive"] }
serde_json = { version = "1.0.96", default-features = false }
thiserror = "1.0.40"
tokio-stream = { version = "0.1.14", default-features = false }
tokio-util = { version = "0.7.8", features = ["io"] }
tokio-util = { version = "0.7.8", features = ["io", "compat"] }
daemonize = "0.5.0"
is_ci = "1.1.1"
sha2 = { version = "0.10.6", default-features = false }

18
magic-nix-cache/src/gha.rs
View file

@ -5,12 +5,13 @@ use crate::telemetry;
use async_compression::tokio::bufread::ZstdEncoder;
use attic::nix_store::{NixStore, StorePath, ValidPathInfo};
use attic_server::narinfo::{Compression, NarInfo};
use futures::stream::StreamExt;
use futures::stream::TryStreamExt;
use gha_cache::{Api, Credentials};
use tokio::sync::{
mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender},
RwLock,
};
use tokio_util::compat::FuturesAsyncReadCompatExt;
pub struct GhaCache {
/// The GitHub Actions Cache API.
@ -139,18 +140,15 @@ async fn upload_path(
let nar_allocation = api.allocate_file_with_random_suffix(&nar_path).await?;
let mut nar_stream = store.nar_from_path(path.clone());
let nar_stream = store.nar_from_path(path.clone());
let mut nar: Vec<u8> = vec![];
let nar_reader = nar_stream
.map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err))
.into_async_read();
// FIXME: make this streaming.
while let Some(data) = nar_stream.next().await {
nar.append(&mut data?);
}
let nar_compressor = ZstdEncoder::new(nar_reader.compat());
let reader = ZstdEncoder::new(&nar[..]);
let compressed_nar_size = api.upload_file(nar_allocation, reader).await?;
let compressed_nar_size = api.upload_file(nar_allocation, nar_compressor).await?;
metrics.nars_uploaded.incr();
tracing::info!(