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| 1 | +/* |
| 2 | + * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | + * All rights reserved. |
| 4 | + * |
| 5 | + * This source code is licensed under the BSD-style license found in the |
| 6 | + * LICENSE file in the root directory of this source tree. |
| 7 | + */ |
| 8 | + |
| 9 | +use std::fmt::Debug; |
| 10 | + |
| 11 | +use async_trait::async_trait; |
| 12 | +use hyperactor::Actor; |
| 13 | +use hyperactor::Instance; |
| 14 | +use hyperactor::ProcId; |
| 15 | +use hyperactor::actor::ActorError; |
| 16 | +use hyperactor::actor::Referable; |
| 17 | +use ndslice::ViewExt; |
| 18 | +use ndslice::view::Ranked; |
| 19 | + |
| 20 | +use crate::v1::actor_mesh::ActorMeshRef; |
| 21 | +use crate::v1::host_mesh::HostMeshRef; |
| 22 | +use crate::v1::proc_mesh::ProcMeshRef; |
| 23 | + |
| 24 | +#[hyperactor::export(spawn = false)] |
| 25 | +pub(crate) struct ActorMeshController<A> |
| 26 | +where |
| 27 | + A: Referable, |
| 28 | +{ |
| 29 | + mesh: ActorMeshRef<A>, |
| 30 | +} |
| 31 | + |
| 32 | +impl<A: Referable> Debug for ActorMeshController<A> { |
| 33 | + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { |
| 34 | + f.debug_struct("MeshController") |
| 35 | + .field("mesh", &self.mesh) |
| 36 | + .finish() |
| 37 | + } |
| 38 | +} |
| 39 | + |
| 40 | +#[async_trait] |
| 41 | +impl<A: Referable> Actor for ActorMeshController<A> { |
| 42 | + type Params = ActorMeshRef<A>; |
| 43 | + async fn new(params: Self::Params) -> Result<Self, anyhow::Error> { |
| 44 | + Ok(Self { mesh: params }) |
| 45 | + } |
| 46 | + |
| 47 | + async fn cleanup( |
| 48 | + &mut self, |
| 49 | + this: &Instance<Self>, |
| 50 | + _err: Option<&ActorError>, |
| 51 | + ) -> Result<(), anyhow::Error> { |
| 52 | + // Cannot use "ActorMesh::stop" as it's only defined on ActorMesh, not ActorMeshRef. |
| 53 | + self.mesh |
| 54 | + .proc_mesh() |
| 55 | + .stop_actor_by_name(this, self.mesh.name().clone()) |
| 56 | + .await?; |
| 57 | + Ok(()) |
| 58 | + } |
| 59 | +} |
| 60 | + |
| 61 | +#[derive(Debug)] |
| 62 | +#[hyperactor::export(spawn = true)] |
| 63 | +pub(crate) struct ProcMeshController { |
| 64 | + mesh: ProcMeshRef, |
| 65 | +} |
| 66 | + |
| 67 | +#[async_trait] |
| 68 | +impl Actor for ProcMeshController { |
| 69 | + type Params = ProcMeshRef; |
| 70 | + async fn new(params: Self::Params) -> Result<Self, anyhow::Error> { |
| 71 | + Ok(Self { mesh: params }) |
| 72 | + } |
| 73 | + |
| 74 | + async fn cleanup( |
| 75 | + &mut self, |
| 76 | + this: &Instance<Self>, |
| 77 | + _err: Option<&ActorError>, |
| 78 | + ) -> Result<(), anyhow::Error> { |
| 79 | + // Cannot use "ProcMesh::stop" as it's only defined on ProcMesh, not ProcMeshRef. |
| 80 | + let names = self.mesh.proc_ids().collect::<Vec<ProcId>>(); |
| 81 | + let region = self.mesh.region().clone(); |
| 82 | + if let Some(hosts) = self.mesh.hosts() { |
| 83 | + hosts |
| 84 | + .stop_proc_mesh(this, self.mesh.name(), names, region) |
| 85 | + .await |
| 86 | + } else { |
| 87 | + Ok(()) |
| 88 | + } |
| 89 | + } |
| 90 | +} |
| 91 | + |
| 92 | +#[derive(Debug)] |
| 93 | +#[hyperactor::export(spawn = true)] |
| 94 | +pub(crate) struct HostMeshController { |
| 95 | + mesh: HostMeshRef, |
| 96 | +} |
| 97 | + |
| 98 | +#[async_trait] |
| 99 | +impl Actor for HostMeshController { |
| 100 | + type Params = HostMeshRef; |
| 101 | + async fn new(params: Self::Params) -> Result<Self, anyhow::Error> { |
| 102 | + Ok(Self { mesh: params }) |
| 103 | + } |
| 104 | + |
| 105 | + async fn cleanup( |
| 106 | + &mut self, |
| 107 | + this: &Instance<Self>, |
| 108 | + _err: Option<&ActorError>, |
| 109 | + ) -> Result<(), anyhow::Error> { |
| 110 | + // Cannot use "HostMesh::shutdown" as it's only defined on HostMesh, not HostMeshRef. |
| 111 | + for host in self.mesh.values() { |
| 112 | + if let Err(e) = host.shutdown(this).await { |
| 113 | + tracing::warn!(host = %host, error = %e, "host shutdown failed"); |
| 114 | + } |
| 115 | + } |
| 116 | + Ok(()) |
| 117 | + } |
| 118 | +} |
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