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use crate::eval::types::{AgentConfig, EvalLayout, RunMetaData};
use std::io::ErrorKind;
use rayon::ThreadPoolBuilder;
use rayon::prelude::*;
use std::{
fs::{self, File},
io::Write,
path::{Path, PathBuf},
process::Command,
};
/// The main helper to dispatch calls to the user defined agent
pub fn dispatch_agent(
agent_dir: &Path,
eval_layout: &EvalLayout,
) -> anyhow::Result<()> {
// Load agent.toml from the agent_dir. This gives us the proper agent name (matched
// against metadata.json's solution_name) and the entrypoint script to invoke.
let agent_toml_path = agent_dir.join("agent.toml");
let agent_config: AgentConfig = match fs::read_to_string(&agent_toml_path) {
Ok(s) => toml::from_str(&s).map_err(|e| {
anyhow::anyhow!("failed to parse {}: {}", agent_toml_path.display(), e)
})?,
Err(e) if e.kind() == ErrorKind::NotFound => anyhow::bail!(
"agent.toml not found at {}. See https://scarfbench.info/quickstart/#agenttoml-file",
agent_toml_path.display()
),
Err(e) => anyhow::bail!(
"failed to read {}: {}",
agent_toml_path.display(),
e
),
};
for (eval_key, eval_group) in eval_layout {
let pool = ThreadPoolBuilder::new()
.num_threads(std::cmp::min(
eval_group.runs().len(),
std::thread::available_parallelism()
.map(|t| t.get())
.unwrap_or(1),
))
.build()?;
let _: anyhow::Result<Vec<()>> = pool.install(|| {
eval_group
.par_iter()
.map(|eval_instance| -> anyhow::Result<()> {
// Read the current eval metadata
let mut run_metadata: RunMetaData = fs::read_to_string(
eval_instance.root().join("metadata.json"),
)
.map_err(anyhow::Error::from)
.and_then(|metadata_file| {
serde_json::from_str::<RunMetaData>(&metadata_file)
.map_err(anyhow::Error::from)
})?;
let result = Command::new("bash")
.arg("-lc")
.arg(format!("./{}", agent_config.entrypoint))
.current_dir(agent_dir)
.env("SCARF_WORK_DIR", eval_instance.output())
.env("SCARF_WORKDIR", eval_instance.output())
.env(
"SCARF_FRAMEWORK_FROM",
run_metadata.source_framework(),
)
.env(
"SCARF_FROM_FRAMEWORK",
run_metadata.source_framework(),
)
.env(
"SCARF_FRAMEWORK_TO",
run_metadata.target_framework(),
)
.env(
"SCARF_TO_FRAMEWORK",
run_metadata.target_framework(),
)
.env(
"SCARF_SOURCE_FRAMEWORK",
run_metadata.source_framework(),
)
.env(
"SCARF_TARGET_FRAMEWORK",
run_metadata.target_framework(),
)
.stderr(
File::create(
eval_instance.validation().join("agent.err"),
)?
.try_clone()?,
)
.stdout(
File::create(
eval_instance.validation().join("agent.out"),
)?
.try_clone()?,
)
.output()?;
if result.status.success() {
log::debug!(
"Agent {} exectuion complete",
eval_key.agent()
);
run_metadata.set_status(String::from("CONVERTED"));
update_eval_metadata(
eval_instance.root(),
&run_metadata,
)?;
} else {
run_metadata.set_status(String::from("FAILED"));
update_eval_metadata(
eval_instance.root(),
&run_metadata,
)?;
}
Ok(())
})
.collect()
});
}
Ok(())
}
fn update_eval_metadata(
eval_instance_dir: PathBuf,
run_metadata: &RunMetaData,
) -> anyhow::Result<()> {
match File::create(eval_instance_dir.join("metadata.json")) {
Ok(mut f) => {
f.write_all(serde_json::to_string_pretty(run_metadata)?.as_bytes())?
},
Err(e) => {
anyhow::bail!("Failed to update metadata.json {}", e);
},
};
Ok(())
}