syndicate-rs/syndicate-server/src/services/milestone.rs

41 lines
1.2 KiB
Rust

use preserves_schema::Codec;
use std::sync::Arc;
use syndicate::actor::*;
use syndicate::enclose;
use syndicate::preserves::value::NestedValue;
use syndicate::supervise::{Supervisor, SupervisorConfiguration};
use crate::language::language;
use crate::lifecycle;
use crate::schemas::internal_services::Milestone;
use syndicate_macros::during;
pub fn on_demand(t: &mut Activation, ds: Arc<Cap>) {
t.spawn(Some(AnyValue::symbol("milestone_listener")), move |t| {
Ok(during!(t, ds, language(), <run-service $spec: Milestone>, |t: &mut Activation| {
Supervisor::start(
t,
Some(language().unparse(&spec)),
SupervisorConfiguration::default(),
|_, _| Ok(()),
enclose!((ds) move |t| enclose!((ds, spec) run(t, ds, spec))))
}))
});
}
fn run(
t: &mut Activation,
ds: Arc<Cap>,
spec: Milestone,
) -> ActorResult {
lifecycle::terminate_on_service_restart(t, &ds, &spec);
tracing::info!(milestone = ?spec.name, "entered");
ds.assert(t, language(), &lifecycle::started(&spec));
ds.assert(t, language(), &lifecycle::ready(&spec));
t.on_stop(move |_| { tracing::info!(milestone = ?spec.name, "exited"); Ok(()) });
Ok(())
}