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Mount YuE2 on the host agent and share GPU ownership.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Towsty
2026-09-14 18:26:55 -05:00
co-authored by Cursor
parent a44a51315b
commit 420dd1279c
2 changed files with 55 additions and 10 deletions
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scripts/comfy-host-agent.mjs
+39 -3
View File
@@ -3,6 +3,7 @@ import { stableMemoryArgs } from './comfy-memory-policy.mjs'
import { createGpuReservation } from './gpu-reservation.mjs'
import { createGpuProxy } from './gpu-proxy.mjs'
import { createYueGpHost } from './yuegp-host.mjs'
import { createYue2Host } from './yue2-host.mjs'
import http from 'node:http'
import net from 'node:net'
import { execFile, spawn } from 'node:child_process'
@@ -146,7 +147,7 @@ let proxyTarget = 0
function ensureProxyListening() {
if (proxyServer) return
proxyServer = createGpuProxy({ target: () => proxyTarget, reservation: gpuReservation, authorized, markWork, externalBusy: () => yueGp.busy() || upscale.busy() })
proxyServer = createGpuProxy({ target: () => proxyTarget, reservation: gpuReservation, authorized, markWork, externalBusy: () => yueGp.busy() || yue2.busy() || upscale.busy() })
proxyServer.on('error', (error) => {
console.log(JSON.stringify({ src: 'comfy-host-agent', event: 'proxy-error', error: String(error.message || error) }))
})
@@ -818,7 +819,7 @@ function purgeDesktopFiles(body) {
}
const gpuReservation = createGpuReservation({ idle: async () => {
if (yueGp.busy() || upscale.busy()) return false
if (yueGp.busy() || yue2.busy() || upscale.busy()) return false
if ((await trainingLock()).busy) return false
const healthy = await syncProxy()
if (healthy) {
@@ -833,6 +834,7 @@ const yueGp = createYueGpHost({
leaseValid: lease => gpuReservation.isOwner(lease),
prepare: async () => {
if ((await trainingLock()).busy) throw new Error('GPU is busy with training.')
if (yue2.busy()) throw new Error('YuE2 is using the GPU.')
const healthy = await syncProxy()
if (healthy) {
const queue = await fetchLocalQueue(healthy)
@@ -844,6 +846,22 @@ const yueGp = createYueGpHost({
}
})
const yue2 = createYue2Host({
leaseValid: lease => gpuReservation.isOwner(lease),
prepare: async () => {
if ((await trainingLock()).busy) throw new Error('GPU is busy with training.')
if (yueGp.busy()) throw new Error('YuEGP is using the GPU.')
const healthy = await syncProxy()
if (healthy) {
const queue = await fetchLocalQueue(healthy)
if (!queue.ok || queue.running || queue.pending) throw new Error('Comfy is busy; YuE2 cannot start.')
await stopComfyProcesses()
markAsleep()
}
if (await pythonMainUp()) throw new Error('Comfy has not stopped; retry after the GPU is free.')
}
})
const upscale = createUpscaleHost({ leaseValid: token => gpuReservation.isOwner(token) })
async function handleControl(req, res) {
@@ -873,6 +891,22 @@ async function handleControl(req, res) {
}
return json(res, 404, { error: 'Unknown YuEGP endpoint' })
}
if (url.pathname.startsWith('/yue2/')) {
if (yueGp.busy()) return json(res, 409, { message: 'YuEGP is using the GPU.' })
const match = url.pathname.match(/^\/yue2\/jobs\/([a-zA-Z0-9-]{12,80})(\/audio|\/cancel)?$/)
if (req.method === 'GET' && url.pathname === '/yue2/status') return json(res, 200, { configured: yue2.configured(), busy: yue2.busy(), backend: 'yue2' })
if (req.method === 'POST' && url.pathname === '/yue2/jobs') return json(res, 200, await yue2.start(await readJson(req), String(req.headers['x-aigen-gpu-lease'] || '')))
if (match && req.method === 'POST' && match[2] === '/cancel') return json(res, 200, await yue2.cancel(match[1]))
if (match && req.method === 'GET' && match[2] === '/audio') {
const path = yue2.audio(match[1])
return path ? streamFile(res, path) : json(res, 404, { error: 'Audio not ready' })
}
if (match && req.method === 'GET' && !match[2]) {
const job = yue2.read(match[1])
return json(res, job ? 200 : 404, job || { error: 'YuE2 job not found' })
}
return json(res, 404, { error: 'Unknown YuE2 endpoint' })
}
if (req.method === 'POST' && url.pathname.startsWith('/gpu/')) {
const body = await readJson(req)
let result
@@ -905,12 +939,14 @@ async function handleControl(req, res) {
gpu: gpuReservation.availability(),
training: { busy: lastTraining.busy },
yuegp: { busy: yueGp.busy(), configured: yueGp.configured() },
yue2: { busy: yue2.busy(), configured: yue2.configured() },
upscale: { busy: upscale.busy(), engine: 'realesrgan-rife', local: true }
})
}
if (req.method === 'POST' && url.pathname === '/start') {
if (upscale.busy()) return json(res, 409, { message: 'Local upscale is using the GPU.' })
if (yueGp.busy()) return json(res, 409, { message: 'YuEGP is using the GPU.' })
if (yue2.busy()) return json(res, 409, { message: 'YuE2 is using the GPU.' })
const training = await trainingLock()
if (training.busy) {
return json(res, 409, {
@@ -1006,7 +1042,7 @@ const server = http.createServer(async (req, res) => {
} else await handleControl(req, res)
} catch (error) {
req.resume()
if ((String(req.url || '').startsWith('/yuegp/') || String(req.url || '').startsWith('/upscale/')) && !res.headersSent) return json(res, error.statusCode || 400, { error: error.message || 'YuEGP request failed' })
if ((String(req.url || '').startsWith('/yuegp/') || String(req.url || '').startsWith('/yue2/') || String(req.url || '').startsWith('/upscale/')) && !res.headersSent) return json(res, error.statusCode || 400, { error: error.message || 'Music host request failed' })
if (!res.headersSent) json(res, error.statusCode || 400, { ok: false, message: error.statusCode === 409 ? 'GPU is in use. Waiting for availability.' : 'GPU coordination request failed.' })
}
})
server/utils/studioQueue.ts
+16 -7
View File
@@ -285,7 +285,7 @@ function failZombieLiveJob(job: Job, error: string) {
function sweepStaleLiveJobs() {
const now = Date.now()
for (const job of listJobs()) {
if (job.yueGp || job.upscale) continue
if (job.yueGp || job.yue2 || job.upscale) continue
if (job.saving) continue
if (job.status === 'queued' && !job.promptId && now - job.startedAt >= QUEUED_GRACE_MS) {
failZombieLiveJob(job, 'Job never started')
@@ -305,7 +305,7 @@ async function reapZombieLiveJobs() {
const { fetchHistory } = await import('~/server/utils/comfy')
for (const job of listJobs()) {
// Never interrupt download/stitch/library save — Comfy is idle then by design.
if (job.yueGp || job.upscale) continue
if (job.yueGp || job.yue2 || job.upscale) continue
if (job.saving) continue
if (job.library?.chainContinuing) continue
if (job.status !== 'running' && job.status !== 'uploading' && job.status !== 'queued') continue
@@ -350,7 +350,7 @@ async function reapZombieLiveJobs() {
}
function liveJobOwnsGpu(job: Job) {
if ((job.yueGp || job.upscale) && ['running', 'queued', 'uploading'].includes(job.status)) return true
if ((job.yueGp || job.yue2 || job.upscale) && ['running', 'queued', 'uploading'].includes(job.status)) return true
if (job.library?.stopAfterCurrent) return false
if (job.library?.chainContinuing) return true
if (job.saving) return true
@@ -370,7 +370,7 @@ function liveJobOwnsGpu(job: Job) {
*/
function clearDeadGpuClaimsForForceStart() {
for (const live of listJobs()) {
if (live.yueGp || live.upscale) continue
if (live.yueGp || live.yue2 || live.upscale) continue
if (live.saving) continue
if (jobIsLocallySubmitting(live)) continue
if (live.status !== 'running' && live.status !== 'queued' && live.status !== 'uploading') {
@@ -597,6 +597,10 @@ export async function clearStuckStudioWork(owner: string) {
const { cancelYueGpJob } = await import('./yueGp')
await cancelYueGpJob(job)
}
if (job.yue2) {
const { cancelYue2Job } = await import('./yue2')
await cancelYue2Job(job)
}
job.status = 'cancelled'
job.error = 'Cleared by force reset'
if (job.library) {
@@ -664,6 +668,11 @@ async function stopLiveGeneration(liveJobId?: string, shotQueueId?: string) {
await cancelYueGpJob(live)
return
}
if (live?.yue2) {
const { cancelYue2Job } = await import('./yue2')
await cancelYue2Job(live)
return
}
if (live) {
live.status = 'cancelled'
if (live.library) {
@@ -913,7 +922,7 @@ function repairStaleJobs(jobs: StudioJob[]) {
job.updatedAt = Date.now()
continue
}
if (!job.payload.upscale && job.payload.musicEngine !== 'yue' && job.status === 'error' && isTransientComfyError(job.lastError)) {
if (!job.payload.upscale && job.payload.musicEngine !== 'yue' && job.payload.musicEngine !== 'yue2' && job.status === 'error' && isTransientComfyError(job.lastError)) {
job.status = 'waiting'
job.liveJobId = undefined
job.lastError = undefined
@@ -922,7 +931,7 @@ function repairStaleJobs(jobs: StudioJob[]) {
job.updatedAt = Date.now()
continue
}
if (!job.payload.upscale && job.payload.musicEngine !== 'yue' && job.status === 'held' && isTransientComfyError(job.lastError)) {
if (!job.payload.upscale && job.payload.musicEngine !== 'yue' && job.payload.musicEngine !== 'yue2' && job.status === 'held' && isTransientComfyError(job.lastError)) {
job.status = 'waiting'
job.liveJobId = undefined
job.lastError = undefined
@@ -1673,7 +1682,7 @@ export async function onLiveVideoSettled(job: Job) {
return
}
const remaining = remainingStudioShots(job)
const wakeFail = !job.yueGp && !job.upscale && job.status === 'error' && remaining > 0 && isTransientComfyError(job.error)
const wakeFail = !job.yueGp && !job.yue2 && !job.upscale && job.status === 'error' && remaining > 0 && isTransientComfyError(job.error)
const failed = (job.status === 'error' || job.status === 'cancelled') && !wakeFail
await mutateStore(owner, (store) => {