hyperhive/hive-c0re/src/actions.rs

103 lines
3.5 KiB
Rust

//! Operations that are exposed through more than one surface (the host admin
//! socket *and* the dashboard's POST endpoints). Each function takes a
//! `&Coordinator` and the request parameters; callers stitch the response
//! shape they want (HTTP redirect vs JSON).
use anyhow::Result;
use hive_sh4re::{
ApprovalStatus, HelperEvent, MANAGER_AGENT, Message, SYSTEM_SENDER,
};
use crate::coordinator::Coordinator;
use crate::lifecycle;
/// Approve a pending request: read the agent.nix at the approval's commit from
/// the proposed repo, copy into the applied repo, commit there, and rebuild
/// the agent container. On failure marks the approval failed (with the error
/// note) and returns the error. Either way, an `ApprovalResolved` helper event
/// is pushed into the manager's inbox.
pub async fn approve(coord: &Coordinator, id: i64) -> Result<()> {
let approval = coord.approvals.mark_approved(id)?;
tracing::info!(%approval.id, %approval.agent, %approval.commit_ref, "approval: applying + rebuilding");
let agent_dir = coord.register_agent(&approval.agent)?;
let proposed_dir = Coordinator::agent_proposed_dir(&approval.agent);
let applied_dir = Coordinator::agent_applied_dir(&approval.agent);
let result: Result<()> = async {
lifecycle::apply_commit(&applied_dir, &proposed_dir, &approval.commit_ref).await?;
lifecycle::rebuild(
&approval.agent,
&coord.hyperhive_flake,
&agent_dir,
&applied_dir,
)
.await
}
.await;
match result {
Ok(()) => {
notify_manager(
coord,
&HelperEvent::ApprovalResolved {
id: approval.id,
agent: approval.agent.clone(),
commit_ref: approval.commit_ref.clone(),
status: ApprovalStatus::Approved,
note: None,
},
);
Ok(())
}
Err(e) => {
let note = format!("{e:#}");
let _ = coord.approvals.mark_failed(approval.id, &note);
notify_manager(
coord,
&HelperEvent::ApprovalResolved {
id: approval.id,
agent: approval.agent.clone(),
commit_ref: approval.commit_ref.clone(),
status: ApprovalStatus::Failed,
note: Some(note),
},
);
Err(e)
}
}
}
pub fn deny(coord: &Coordinator, id: i64) -> Result<()> {
let approval = coord.approvals.get(id)?;
coord.approvals.mark_denied(id)?;
tracing::info!(%id, "approval denied");
if let Some(a) = approval {
notify_manager(
coord,
&HelperEvent::ApprovalResolved {
id: a.id,
agent: a.agent,
commit_ref: a.commit_ref,
status: ApprovalStatus::Denied,
note: None,
},
);
}
Ok(())
}
fn notify_manager(coord: &Coordinator, event: &HelperEvent) {
let body = match serde_json::to_string(event) {
Ok(s) => s,
Err(e) => {
tracing::warn!(error = ?e, "failed to encode helper event");
return;
}
};
if let Err(e) = coord.broker.send(&Message {
from: SYSTEM_SENDER.to_owned(),
to: MANAGER_AGENT.to_owned(),
body,
}) {
tracing::warn!(error = ?e, "failed to push helper event to manager");
}
}