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hydra-ad-hoc: fast-inline builds using remote protocol #1908

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tomberek wants to merge 3 commits into from
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hydra-ad-hoc: fast-inline builds using remote protocol #1908

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0f005df
hydra-ad-hoc: dispatch trusted-client fast-path builds inline
tomberek Sep 18, 2026
53203c7
deps: bump harmonia to pick up fixed-output derivation hash fix
tomberek Sep 19, 2026
6917f4f
fix CI: treefmt Cargo.toml ordering, regenerate dependency diagram
tomberek Sep 19, 2026
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60 changes: 32 additions & 28 deletions Cargo.lock
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5 changes: 5 additions & 0 deletions subprojects/hydra-ad-hoc/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,10 @@ serde = { workspace = true, features = [ "derive" ] }
sqlx = { workspace = true, features = [ "runtime-tokio", "postgres" ] }
thiserror.workspace = true
tokio = { workspace = true, features = [ "full" ] }
tokio-stream.workspace = true
toml.workspace = true
tonic.workspace = true
tonic-prost.workspace = true
tracing.workspace = true

db.workspace = true
Expand All @@ -32,6 +35,8 @@ harmonia-store-derivation.workspace = true
harmonia-store-path.workspace = true
harmonia-store-remote.workspace = true
harmonia-utils-io.workspace = true
hydra-proto = { workspace = true, features = [ "client" ] }


[features]
otel = [ "hydra-tracing/otel" ]
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11 changes: 11 additions & 0 deletions subprojects/hydra-ad-hoc/src/config.rs
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Expand Up @@ -97,6 +97,10 @@ fn default_data_dir() -> PathBuf {
"/var/lib/hydra".into()
}

fn default_queue_runner_grpc_addr() -> String {
"http://[::1]:50051".into()
}

/// Main configuration of the application
#[derive(Debug, serde::Deserialize)]
#[serde(deny_unknown_fields)]
Expand All @@ -119,6 +123,11 @@ pub(crate) struct AppConfig {
/// Hydra data directory; step logs are read from its `build-logs`.
#[serde(default = "default_data_dir")]
hydra_data_dir: PathBuf,

/// `hydra-queue-runner`'s gRPC endpoint, used for the trusted-client
/// fast path (`SubmitDerivation`) that `build_derivation` takes.
#[serde(default = "default_queue_runner_grpc_addr")]
queue_runner_grpc_addr: String,
}

impl From<AppConfig> for App {
Expand All @@ -131,6 +140,7 @@ impl From<AppConfig> for App {
upstream_socket: val.upstream_socket,
store_dir: val.store_dir,
log_prefix: val.hydra_data_dir.join("build-logs"),
queue_runner_grpc_addr: val.queue_runner_grpc_addr,
}
}
}
Expand All @@ -142,6 +152,7 @@ pub(crate) struct App {
pub upstream_socket: PathBuf,
pub store_dir: StoreDir,
pub log_prefix: PathBuf,
pub queue_runner_grpc_addr: String,
}

#[derive(Debug, thiserror::Error)]
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