Files
goodbuddy/src/agent-daemon/direct-linux-stdio-process-owner.ts
T
mesalogo 607bb33249 feat: add managed SSH execution spaces
Add managed SSH Hosts and projects with signed side-by-side GoodBuddy Agent and OpenCode Runtime installation, Ask and Execute workspace access, a Main-owned model bridge, detached Agent lifecycle, durable ACP output recovery, and project activation UI.

Use protocol v2 with bounded FIFO frames over SSH instead of custom credit, priority, batching, or model-message chunking. Mismatched Host Agents now upgrade automatically, an exactly verified Node runtime is reused on-host, and local Portable builds can embed strictly verified Agent artifacts.

Release note: 新增托管 SSH 远程项目,可自动安装或升级签名 Agent/OpenCode Runtime,并在 SSH 断线后继续 Agent 工作和同步未确认输出。
2026-08-24 23:02:18 +08:00

1064 lines
35 KiB
TypeScript

import { spawn as nodeSpawn } from 'node:child_process'
import { createHash, randomBytes } from 'node:crypto'
import { readdir } from 'node:fs/promises'
import { posix } from 'node:path'
import type { Readable, Writable } from 'node:stream'
import {
agentIdentifierSchema,
sha256DigestSchema
} from '../shared/agent-protocol/contracts'
import { canonicalJson } from '../shared/agent-protocol/canonical'
import {
remoteRuntimeBundleManifestSchema,
type RemoteRuntimeBundleManifest
} from '../shared/remote-runtime-launch-contracts'
import type { ModelBridgePolicy } from '../shared/model-bridge-contracts'
import {
createOpenCodeLaunchProfile,
OPENCODE_BWRAP_EXECUTABLE,
type OpenCodeLaunchProfile
} from './opencode-runtime-profile'
import {
RuntimeOwnerRegistry
} from './runtime-owner-registry'
import {
readLinuxRuntimeProcessIdentity,
sameLinuxRuntimeProcessIdentity,
type LinuxRuntimeProcessIdentity
} from './runtime-process-identity'
const DEFAULT_MAXIMUM_STDIN_WRITE_BYTES = 1024 * 1024
const DEFAULT_MAXIMUM_OUTPUT_QUEUE_CHUNKS = 128
const DEFAULT_MAXIMUM_LISTENERS = 8
const DEFAULT_STOP_TIMEOUT_MS = 10_000
const TERM_GRACE_MS = 2_000
const POLL_INTERVAL_MS = 25
const OWNER_TOKEN_ENVIRONMENT_NAME = 'GOODBUDDY_RUNTIME_OWNER_TOKEN'
export type DirectLinuxStdioProcessIdentity = {
launchId: string
processId: string
supervisorIdentityDigest: string
}
export type DirectLinuxStdioProcessOutput = {
stream: 'stdout' | 'stderr'
data: Uint8Array
}
export type DirectLinuxStdioProcessReconciliation = {
identity: DirectLinuxStdioProcessIdentity
state:
| 'starting'
| 'running'
| 'completed'
| 'failed'
| 'cancelled'
| 'interrupted'
| 'outcome-unknown'
processTree: 'running' | 'empty' | 'unknown'
}
export type DirectLinuxStdioChild = {
pid?: number
stdin: Writable
stdout: Readable
stderr: Readable
exitCode: number | null
signalCode: NodeJS.Signals | null
kill(signal?: NodeJS.Signals | number): boolean
once(event: 'spawn', listener: () => void): unknown
once(event: 'error', listener: (error: Error) => void): unknown
once(
event: 'close',
listener: (code: number | null, signal: NodeJS.Signals | null) => void
): unknown
on(
event: 'close',
listener: (code: number | null, signal: NodeJS.Signals | null) => void
): unknown
}
export type DirectLinuxStdioSpawn = (
executable: string,
args: readonly string[],
options: {
shell: false
detached: true
windowsHide: true
cwd: string
stdio: readonly ['pipe', 'pipe', 'pipe']
env: Readonly<NodeJS.ProcessEnv>
}
) => DirectLinuxStdioChild
export type DirectLinuxStdioProcessOwnerOptions = {
manifest: RemoteRuntimeBundleManifest
profile?: OpenCodeLaunchProfile
profileInput?: {
bundleDirectory: string
workspaceDirectory: string
scratchDirectory: string
workMode: 'ask' | 'execute'
modelBridge?: {
agentExecutablePath: string
bridgeDirectory: string
socketPath: string
policy: ModelBridgePolicy
}
}
identity: { launchId: string; processId: string }
installationId: string
registry: RuntimeOwnerRegistry
deadlineAt: string
maximumInputBytes: number
signal?: AbortSignal
platform?: NodeJS.Platform
spawn?: DirectLinuxStdioSpawn
now?: () => number
randomOwnerToken?: () => string
readProcessIdentity?: typeof readLinuxRuntimeProcessIdentity
listPidNamespaceMembers?: typeof listLinuxPidNamespaceMembers
sendSignal?: typeof process.kill
maximumStdinWriteBytes?: number
maximumPendingStdinBytes?: number
maximumOutputQueueChunks?: number
maximumListeners?: number
}
export class DirectLinuxStdioProcessOwnerError extends Error {
constructor(
message: string,
readonly code:
| 'capacity'
| 'closed'
| 'deadline'
| 'identity'
| 'platform'
| 'process'
) {
super(message)
this.name = 'DirectLinuxStdioProcessOwnerError'
}
}
export class DirectLinuxStdioProcessOwner {
readonly identity: DirectLinuxStdioProcessIdentity
readonly ownerId: string
readonly processIdentity: LinuxRuntimeProcessIdentity
readonly #child: DirectLinuxStdioChild
readonly #registry: RuntimeOwnerRegistry
readonly #now: () => number
readonly #readIdentity: typeof readLinuxRuntimeProcessIdentity
readonly #listMembers: typeof listLinuxPidNamespaceMembers
readonly #sendSignal: typeof process.kill
readonly #maximumOutputBytes: number
readonly #maximumPromptInputBytes: number
readonly #maximumPromptRuntimeMilliseconds: number
readonly #maximumStdinWriteBytes: number
readonly #maximumOutputQueueChunks: number
readonly #maximumListeners: number
readonly #outputListeners = new Set<
(output: DirectLinuxStdioProcessOutput) => void | Promise<void>
>()
readonly #exitListeners = new Set<() => void | Promise<void>>()
readonly #outputQueue: Uint8Array[] = []
#maximumInputBytes: number
#maximumPendingStdinBytes: number
#inputBytes = 0
#pendingInputBytes = 0
#outputBytes = 0
#queuedOutputBytes = 0
#writeTail: Promise<void> = Promise.resolve()
#deadlineTimer?: NodeJS.Timeout
#promptGeneration = 1
#promptActive = true
#draining = false
#closed = false
#stdinClosed = false
#stopPromise?: Promise<void>
#terminalState?: 'completed' | 'failed' | 'cancelled'
constructor(input: {
identity: DirectLinuxStdioProcessIdentity
ownerId: string
processIdentity: LinuxRuntimeProcessIdentity
child: DirectLinuxStdioChild
registry: RuntimeOwnerRegistry
now: () => number
readProcessIdentity: typeof readLinuxRuntimeProcessIdentity
listPidNamespaceMembers: typeof listLinuxPidNamespaceMembers
sendSignal: typeof process.kill
maximumInputBytes: number
maximumPendingStdinBytes: number
maximumStdinWriteBytes: number
maximumOutputBytes: number
maximumPromptInputBytes: number
maximumPromptRuntimeMilliseconds: number
maximumOutputQueueChunks: number
maximumListeners: number
deadlineAt: string
signal?: AbortSignal
}) {
this.identity = input.identity
this.ownerId = input.ownerId
this.processIdentity = Object.freeze({ ...input.processIdentity })
this.#child = input.child
this.#registry = input.registry
this.#now = input.now
this.#readIdentity = input.readProcessIdentity
this.#listMembers = input.listPidNamespaceMembers
this.#sendSignal = input.sendSignal
this.#maximumInputBytes = input.maximumInputBytes
this.#maximumPendingStdinBytes = input.maximumPendingStdinBytes
this.#maximumStdinWriteBytes = input.maximumStdinWriteBytes
this.#maximumOutputBytes = input.maximumOutputBytes
this.#maximumPromptInputBytes = input.maximumPromptInputBytes
this.#maximumPromptRuntimeMilliseconds =
input.maximumPromptRuntimeMilliseconds
this.#maximumOutputQueueChunks = input.maximumOutputQueueChunks
this.#maximumListeners = input.maximumListeners
this.#scheduleDeadline(input.deadlineAt)
input.child.stdout.on('data', (chunk: Buffer | Uint8Array) => {
this.#acceptOutput(chunk)
})
// Stderr is deliberately drained but never forwarded into ACP.
input.child.stderr.on('data', () => undefined)
input.child.on('close', (code) => this.#handleClose(code))
}
async writeStdin(payload: Uint8Array): Promise<void> {
if (!(payload instanceof Uint8Array) || payload.byteLength === 0) {
throw capacityError('ACP stdin payload must be non-empty bytes')
}
if (
this.#closed ||
this.#stdinClosed ||
this.#stopPromise !== undefined ||
!this.#promptActive
) {
throw new DirectLinuxStdioProcessOwnerError('Runtime stdin is closed', 'closed')
}
if (
payload.byteLength > this.#maximumStdinWriteBytes ||
this.#inputBytes + payload.byteLength > this.#maximumInputBytes ||
this.#pendingInputBytes + payload.byteLength > this.#maximumPendingStdinBytes
) {
throw capacityError('Runtime stdin quota reached')
}
const copy = Buffer.from(payload)
this.#inputBytes += copy.byteLength
this.#pendingInputBytes += copy.byteLength
const write = this.#writeTail.then(async () => {
if (this.#closed || this.#stdinClosed || !this.#promptActive) {
throw new DirectLinuxStdioProcessOwnerError('Runtime stdin is closed', 'closed')
}
await writeWithBackpressure(this.#child.stdin, copy)
})
this.#writeTail = write.catch(() => undefined)
try {
await write
} finally {
this.#pendingInputBytes -= copy.byteLength
}
}
beginPrompt(input: { deadlineAt: string; maximumInputBytes: number }): void {
if (this.#closed || this.#stdinClosed || this.#promptActive) {
throw new DirectLinuxStdioProcessOwnerError(
this.#promptActive ? 'A Runtime prompt is already active' : 'Runtime process is closed',
this.#promptActive ? 'identity' : 'closed'
)
}
this.#maximumInputBytes = positiveInteger(
Math.min(input.maximumInputBytes, this.#maximumPromptInputBytes),
'Maximum Runtime input bytes'
)
this.#maximumPendingStdinBytes = this.#maximumInputBytes
this.#inputBytes = 0
this.#pendingInputBytes = 0
this.#outputBytes = 0
this.#promptActive = true
this.#promptGeneration += 1
this.#scheduleDeadline(
boundedPromptDeadline(
input.deadlineAt,
this.#now(),
this.#maximumPromptRuntimeMilliseconds
)
)
}
async completePrompt(): Promise<void> {
if (!this.#promptActive) return
await this.#writeTail
this.#promptActive = false
this.#inputBytes = 0
this.#pendingInputBytes = 0
this.#promptGeneration += 1
this.#clearDeadline()
}
subscribeOutput(
listener: (output: DirectLinuxStdioProcessOutput) => void | Promise<void>
): () => void {
if (this.#outputListeners.size >= this.#maximumListeners) {
throw capacityError('Runtime output listener capacity reached')
}
this.#outputListeners.add(listener)
this.#scheduleDrain()
return () => this.#outputListeners.delete(listener)
}
subscribeExit(listener: () => void | Promise<void>): () => void {
if (this.#closed) {
void Promise.resolve(listener()).catch(() => undefined)
return () => undefined
}
if (this.#exitListeners.size >= this.#maximumListeners) {
throw capacityError('Runtime exit listener capacity reached')
}
this.#exitListeners.add(listener)
return () => this.#exitListeners.delete(listener)
}
async stop(input: {
reason:
| 'binding-closed'
| 'controller-disconnected'
| 'deadline-exceeded'
| 'identity-conflict'
| 'output-quota'
| 'user-cancelled'
deadlineAt: string
}): Promise<void> {
if (this.#stopPromise !== undefined) return await this.#stopPromise
this.#stopPromise = this.#stopOnce(input.deadlineAt)
try {
await this.#stopPromise
} catch (error) {
this.#stopPromise = undefined
throw error
}
}
async dispose(): Promise<void> {
await this.stop({
reason: 'binding-closed',
deadlineAt: new Date(this.#now() + DEFAULT_STOP_TIMEOUT_MS).toISOString()
})
}
async reconcile(): Promise<DirectLinuxStdioProcessReconciliation> {
if (this.#terminalState !== undefined) {
return {
identity: this.identity,
state: this.#terminalState,
processTree: 'empty'
}
}
try {
const actual = await this.#readIdentity(this.processIdentity.pid)
if (!sameLinuxRuntimeProcessIdentity(this.processIdentity, actual)) {
return {
identity: this.identity,
state: 'outcome-unknown',
processTree: 'unknown'
}
}
return { identity: this.identity, state: 'running', processTree: 'running' }
} catch (error) {
if (isMissingProcess(error) && this.#closed) {
return {
identity: this.identity,
state: this.#terminalState ?? 'interrupted',
processTree: 'empty'
}
}
return {
identity: this.identity,
state: 'outcome-unknown',
processTree: 'unknown'
}
}
}
async #stopOnce(deadlineAt: string): Promise<void> {
remainingMilliseconds(deadlineAt, this.#now())
if (this.#terminalState !== undefined) return
const record = this.#registry.get(this.ownerId)
if (record?.state !== 'running') {
throw identityError('Runtime owner registry identity conflicts')
}
const actual = await this.#readIdentity(this.processIdentity.pid)
if (
record.processIdentity === undefined ||
!sameLinuxRuntimeProcessIdentity(record.processIdentity, actual)
) {
this.#registry.remove(this.ownerId, 'running')
throw identityError('Runtime PID identity changed before signal')
}
this.#registry.markStopping(this.ownerId)
this.#stdinClosed = true
this.#child.stdin.end()
this.#sendSignal(-record.processIdentity.processGroupId, 'SIGTERM')
const termDeadline = Math.min(Date.parse(deadlineAt), this.#now() + TERM_GRACE_MS)
if (!(await this.#waitForTreeEmpty(termDeadline))) {
await this.#killVerifiedProcessGroup()
if (!(await this.#waitForTreeEmpty(Date.parse(deadlineAt)))) {
this.#registry.remove(this.ownerId, 'stopping')
throw new DirectLinuxStdioProcessOwnerError(
'Runtime process group cleanup could not be verified',
'process'
)
}
}
this.#registry.remove(this.ownerId, 'stopping')
this.#terminalState = 'cancelled'
this.#closed = true
this.#clearDeadline()
}
async #killVerifiedProcessGroup(): Promise<void> {
const record = this.#registry.get(this.ownerId)
const actual = await this.#readIdentity(this.processIdentity.pid)
if (
record?.state !== 'stopping' ||
record.processIdentity === undefined ||
!sameLinuxRuntimeProcessIdentity(record.processIdentity, actual)
) {
if (record?.state === 'stopping') {
this.#registry.remove(this.ownerId, 'stopping')
}
throw identityError('Runtime PID identity changed before signal')
}
this.#sendSignal(-record.processIdentity.processGroupId, 'SIGKILL')
}
async #waitForTreeEmpty(deadline: number): Promise<boolean> {
while (this.#now() < deadline) {
const members = await this.#listMembers(this.processIdentity)
if (members.length === 0) return true
await delay(Math.min(POLL_INTERVAL_MS, Math.max(1, deadline - this.#now())))
}
return (await this.#listMembers(this.processIdentity)).length === 0
}
#acceptOutput(chunk: Buffer | Uint8Array): void {
if (this.#closed || chunk.byteLength === 0) return
if (
this.#outputBytes + chunk.byteLength > this.#maximumOutputBytes ||
this.#outputQueue.length >= this.#maximumOutputQueueChunks ||
this.#queuedOutputBytes + chunk.byteLength > this.#maximumOutputBytes
) {
this.#child.stdout.pause()
this.#outputQueue.splice(0)
this.#queuedOutputBytes = 0
void this.stop({
reason: 'output-quota',
deadlineAt: new Date(this.#now() + DEFAULT_STOP_TIMEOUT_MS).toISOString()
}).catch(() => undefined)
return
}
const copy = Uint8Array.from(chunk)
this.#outputBytes += copy.byteLength
this.#queuedOutputBytes += copy.byteLength
this.#outputQueue.push(copy)
this.#scheduleDrain()
}
#scheduleDrain(): void {
if (this.#draining || this.#outputListeners.size === 0 || this.#outputQueue.length === 0) return
this.#draining = true
queueMicrotask(() => void this.#drain())
}
async #drain(): Promise<void> {
try {
while (this.#outputListeners.size > 0 && this.#outputQueue.length > 0) {
const data = this.#outputQueue.shift()!
this.#queuedOutputBytes -= data.byteLength
for (const listener of [...this.#outputListeners]) {
await listener({ stream: 'stdout', data: data.slice() })
}
}
} catch {
void this.stop({
reason: 'output-quota',
deadlineAt: new Date(this.#now() + DEFAULT_STOP_TIMEOUT_MS).toISOString()
}).catch(() => undefined)
} finally {
this.#draining = false
this.#scheduleDrain()
}
}
#handleClose(code: number | null): void {
this.#closed = true
this.#clearDeadline()
const record = this.#registry.get(this.ownerId)
if (record?.state === 'running') {
const outcome = code === 0 ? 'completed' : 'failed'
this.#registry.remove(this.ownerId, 'running')
this.#terminalState = outcome
}
for (const listener of this.#exitListeners) {
void Promise.resolve(listener()).catch(() => undefined)
}
this.#exitListeners.clear()
}
#scheduleDeadline(deadlineAt: string): void {
const remaining = remainingMilliseconds(deadlineAt, this.#now())
this.#clearDeadline()
const generation = this.#promptGeneration
this.#deadlineTimer = setTimeout(() => {
if (!this.#promptActive || generation !== this.#promptGeneration) return
void this.stop({
reason: 'deadline-exceeded',
deadlineAt: new Date(this.#now() + DEFAULT_STOP_TIMEOUT_MS).toISOString()
}).catch(() => undefined)
}, Math.min(remaining, 0x7fff_ffff))
this.#deadlineTimer.unref?.()
}
#clearDeadline(): void {
if (this.#deadlineTimer !== undefined) clearTimeout(this.#deadlineTimer)
this.#deadlineTimer = undefined
}
}
export async function launchDirectLinuxStdioProcessOwner(
options: DirectLinuxStdioProcessOwnerOptions
): Promise<DirectLinuxStdioProcessOwner> {
if ((options.platform ?? process.platform) !== 'linux') {
throw new DirectLinuxStdioProcessOwnerError(
'Direct Runtime ownership is Linux-only',
'platform'
)
}
if (options.signal?.aborted === true) {
throw new DirectLinuxStdioProcessOwnerError('Runtime launch was cancelled', 'deadline')
}
const now = options.now ?? Date.now
const manifest = remoteRuntimeBundleManifestSchema.parse(options.manifest)
const limits = enforceablePromptLimits(manifest)
const effectiveDeadlineAt = boundedPromptDeadline(
options.deadlineAt,
now(),
limits.maximumPromptRuntimeMilliseconds
)
const timeoutMs = remainingMilliseconds(effectiveDeadlineAt, now())
const baseProfile = resolveProfile(options, manifest)
const ownerToken = (options.randomOwnerToken ?? (() => randomBytes(16).toString('hex')))()
if (!/^[a-f0-9]{32}$/u.test(ownerToken)) {
throw identityError('Runtime owner token marker is malformed')
}
const profile = bindDirectOwnerToken(baseProfile, ownerToken)
const stableIdentity = {
launchId: agentIdentifierSchema.parse(options.identity.launchId),
processId: agentIdentifierSchema.parse(options.identity.processId)
}
const installationId = agentIdentifierSchema.parse(options.installationId)
const ownerId = `owner-${stableIdentity.launchId}`
agentIdentifierSchema.parse(ownerId)
const maximumInputBytes = positiveInteger(
Math.min(options.maximumInputBytes, limits.maximumPromptInputBytes),
'Maximum Runtime input bytes'
)
const maximumStdinWriteBytes = positiveInteger(
options.maximumStdinWriteBytes ?? DEFAULT_MAXIMUM_STDIN_WRITE_BYTES,
'Maximum Runtime stdin write bytes'
)
const maximumPendingStdinBytes = positiveInteger(
options.maximumPendingStdinBytes ?? maximumInputBytes,
'Maximum pending Runtime stdin bytes'
)
const maximumOutputQueueChunks = positiveInteger(
options.maximumOutputQueueChunks ?? DEFAULT_MAXIMUM_OUTPUT_QUEUE_CHUNKS,
'Maximum Runtime output queue chunks'
)
const maximumListeners = positiveInteger(
options.maximumListeners ?? DEFAULT_MAXIMUM_LISTENERS,
'Maximum Runtime output listeners'
)
options.registry.reserve({
ownerId,
...stableIdentity,
installationId,
ownerToken
})
const spawn = options.spawn ?? defaultSpawn
const child = spawn(profile.executable, profile.args, {
shell: false,
detached: true,
windowsHide: true,
cwd: profile.cwd,
stdio: ['pipe', 'pipe', 'pipe'],
env: profile.env
})
try {
await waitForSpawn(child, options.signal, timeoutMs)
if (child.pid === undefined) throw new Error('Runtime spawn did not return a PID')
const readIdentity = options.readProcessIdentity ?? readLinuxRuntimeProcessIdentity
const processIdentity = await readIdentity(child.pid)
assertLaunchedIdentity(processIdentity, profile)
const supervisorIdentityDigest = supervisorDigest({
installationId,
ownerId,
ownerToken,
processIdentity,
profile
})
options.registry.markRunning(ownerId, processIdentity)
return new DirectLinuxStdioProcessOwner({
identity: { ...stableIdentity, supervisorIdentityDigest },
ownerId,
processIdentity,
child,
registry: options.registry,
now,
readProcessIdentity: readIdentity,
listPidNamespaceMembers:
options.listPidNamespaceMembers ?? listLinuxPidNamespaceMembers,
sendSignal: options.sendSignal ?? process.kill,
maximumInputBytes,
maximumPendingStdinBytes,
maximumStdinWriteBytes,
maximumOutputBytes: manifest.limits.maximumPromptOutputBytes,
maximumPromptInputBytes: limits.maximumPromptInputBytes,
maximumPromptRuntimeMilliseconds:
limits.maximumPromptRuntimeMilliseconds,
maximumOutputQueueChunks,
maximumListeners,
deadlineAt: effectiveDeadlineAt,
signal: options.signal
})
} catch (error) {
const record = options.registry.get(ownerId)
if (record?.state === 'reserved') {
options.registry.remove(ownerId, 'reserved')
}
if (child.exitCode === null && child.signalCode === null) child.kill('SIGTERM')
throw error
}
}
export async function reconcileOrphanedDirectLinuxStdioProcesses(options: {
installationId: string
registry: RuntimeOwnerRegistry
deadlineAt?: string
now?: () => number
readProcessIdentity?: typeof readLinuxRuntimeProcessIdentity
listPidNamespaceMembers?: typeof listLinuxPidNamespaceMembers
sendSignal?: typeof process.kill
}): Promise<{ inspected: number; stopped: number; conflicts: number; unknown: number }> {
const installationId = agentIdentifierSchema.parse(options.installationId)
const now = options.now ?? Date.now
const deadlineAt =
options.deadlineAt ?? new Date(now() + 30_000).toISOString()
const records = options.registry
.listForInstallation(installationId)
let stopped = 0
let conflicts = 0
let unknown = 0
const sendSignal = options.sendSignal ?? process.kill
for (const record of records) {
remainingMilliseconds(deadlineAt, now())
if (record.state === 'reserved' || record.processIdentity === undefined) {
options.registry.remove(record.ownerId, record.state)
stopped += 1
continue
}
const readIdentity = options.readProcessIdentity ?? readLinuxRuntimeProcessIdentity
try {
const actual = await readIdentity(record.processIdentity.pid)
if (!sameLinuxRuntimeProcessIdentity(record.processIdentity, actual)) {
options.registry.remove(record.ownerId, record.state)
conflicts += 1
continue
}
if (record.state === 'running') options.registry.markStopping(record.ownerId)
sendSignal(
-record.processIdentity.processGroupId,
'SIGTERM'
)
const listMembers = options.listPidNamespaceMembers ?? listLinuxPidNamespaceMembers
const termDeadline = Math.min(Date.parse(deadlineAt), now() + TERM_GRACE_MS)
if (!(await waitForNamespaceEmpty(record.processIdentity, listMembers, termDeadline, now))) {
const current = options.registry.get(record.ownerId)
const ownerIdentity = await readIdentity(record.processIdentity.pid)
if (
current?.state !== 'stopping' ||
current.processIdentity === undefined ||
!sameLinuxRuntimeProcessIdentity(current.processIdentity, ownerIdentity)
) {
throw identityError('Orphan Runtime identity changed before signal')
}
sendSignal(-record.processIdentity.processGroupId, 'SIGKILL')
if (!(await waitForNamespaceEmpty(record.processIdentity, listMembers, Date.parse(deadlineAt), now))) {
throw new Error('Orphan Runtime process group remains populated')
}
}
options.registry.remove(record.ownerId, 'stopping')
stopped += 1
} catch (error) {
const current = options.registry.get(record.ownerId)
if (isMissingProcess(error) && current !== undefined) {
try {
const listMembers =
options.listPidNamespaceMembers ??
listLinuxPidNamespaceMembers
const members = await listMembers(record.processIdentity)
if (members.length === 0) {
options.registry.remove(record.ownerId, current.state)
stopped += 1
} else {
// Without the recorded leader identity there is no safe process
// to match immediately before a group signal.
options.registry.remove(record.ownerId, current.state)
unknown += 1
}
} catch {
const latest = options.registry.get(record.ownerId)
if (latest !== undefined) options.registry.remove(record.ownerId, latest.state)
unknown += 1
}
} else if (error instanceof DirectLinuxStdioProcessOwnerError && error.code === 'identity') {
if (current !== undefined) options.registry.remove(record.ownerId, current.state)
conflicts += 1
} else {
if (current !== undefined) options.registry.remove(record.ownerId, current.state)
unknown += 1
}
}
}
return { inspected: records.length, stopped, conflicts, unknown }
}
export function bindDirectOwnerToken(
profileInput: OpenCodeLaunchProfile,
ownerToken: string
): OpenCodeLaunchProfile {
const profile = validateProfile(profileInput)
if (
!/^[a-f0-9]{32}$/u.test(ownerToken) ||
profile.args.includes(OWNER_TOKEN_ENVIRONMENT_NAME) ||
profile.env[OWNER_TOKEN_ENVIRONMENT_NAME] !== undefined
) {
throw identityError('Runtime owner token marker is invalid or duplicated')
}
if (profile.workMode === 'execute') {
return {
...profile,
env: {
...profile.env,
[OWNER_TOKEN_ENVIRONMENT_NAME]: ownerToken
}
}
}
const separator = profile.args.indexOf('--')
return {
...profile,
args: [
...profile.args.slice(0, separator),
'--setenv',
OWNER_TOKEN_ENVIRONMENT_NAME,
ownerToken,
...profile.args.slice(separator)
],
env: { ...profile.env }
}
}
export async function listLinuxPidNamespaceMembers(
owner: Pick<
LinuxRuntimeProcessIdentity,
'bootId' | 'processGroupId'
>,
options: { procRoot?: string } = {}
): Promise<LinuxRuntimeProcessIdentity[]> {
const procRoot = options.procRoot ?? '/proc'
const entries = await readdir(procRoot, { withFileTypes: true })
const identities: LinuxRuntimeProcessIdentity[] = []
await Promise.all(
entries
.filter((entry) => entry.isDirectory() && /^[1-9]\d*$/u.test(entry.name))
.map(async (entry) => {
try {
const identity = await readLinuxRuntimeProcessIdentity(Number(entry.name), {
procRoot,
bootId: owner.bootId
})
if (identity.processGroupId === owner.processGroupId) {
identities.push(identity)
}
} catch (error) {
if (!isMissingProcess(error)) throw error
}
})
)
return identities.sort((left, right) => left.pid - right.pid)
}
function resolveProfile(
options: DirectLinuxStdioProcessOwnerOptions,
manifest: RemoteRuntimeBundleManifest
): OpenCodeLaunchProfile {
if ((options.profile === undefined) === (options.profileInput === undefined)) {
throw identityError('Exactly one Runtime launch profile source is required')
}
return validateProfile(
options.profile ??
createOpenCodeLaunchProfile({ manifest, ...options.profileInput! })
)
}
function validateProfile(profile: OpenCodeLaunchProfile): OpenCodeLaunchProfile {
if (
!posix.isAbsolute(profile.executable) ||
posix.normalize(profile.executable) !== profile.executable ||
!posix.isAbsolute(profile.processExecutable) ||
posix.normalize(profile.processExecutable) !==
profile.processExecutable ||
!posix.isAbsolute(profile.cwd) ||
posix.normalize(profile.cwd) !== profile.cwd ||
profile.args.length === 0 ||
profile.args.some((argument) => typeof argument !== 'string' || argument.includes('\0')) ||
Object.entries(profile.env).some(
([name, value]) =>
name.includes('\0') ||
(value !== undefined && value.includes('\0'))
)
) {
throw identityError('Runtime launch profile is malformed')
}
if (
profile.workMode === 'ask' &&
(
profile.executable !== OPENCODE_BWRAP_EXECUTABLE ||
profile.args.includes(['--die', 'with-parent'].join('-')) ||
!profile.args.includes('--unshare-all') ||
!profile.args.includes('--new-session') ||
!profile.args.includes('--clearenv') ||
!profile.args.includes('--ro-bind') ||
profile.args.filter((argument) => argument === '--').length !== 1
)
) {
throw identityError('Ask Runtime launch profile is not read-only')
}
if (
profile.workMode === 'execute' &&
(
profile.executable === OPENCODE_BWRAP_EXECUTABLE ||
profile.args.includes('--unshare-all') ||
profile.args.includes('--clearenv') ||
profile.args.includes('--ro-bind') ||
profile.args.includes('--bind')
)
) {
throw identityError('Execute Runtime launch profile must run directly')
}
return {
executable: profile.executable,
processExecutable: profile.processExecutable,
args: [...profile.args],
cwd: profile.cwd,
env: { ...profile.env },
workMode: profile.workMode
}
}
function assertLaunchedIdentity(
identity: LinuxRuntimeProcessIdentity,
profile: OpenCodeLaunchProfile
): void {
if (
identity.executablePath !== profile.processExecutable ||
identity.processGroupId !== identity.pid
) {
throw identityError('Spawned Runtime does not match the launch identity')
}
}
function supervisorDigest(input: {
installationId: string
ownerId: string
ownerToken: string
processIdentity: LinuxRuntimeProcessIdentity
profile: OpenCodeLaunchProfile
}): string {
return canonicalDigest({
installationId: input.installationId,
ownerId: input.ownerId,
ownerToken: input.ownerToken,
processIdentity: {
...input.processIdentity,
startTimeTicks: input.processIdentity.startTimeTicks.toString()
},
profile: input.profile
})
}
function canonicalDigest(value: unknown): string {
return sha256DigestSchema.parse(
`sha256:${createHash('sha256').update(canonicalJson(value)).digest('hex')}`
)
}
function defaultSpawn(
executable: string,
args: readonly string[],
options: Parameters<DirectLinuxStdioSpawn>[2]
): DirectLinuxStdioChild {
return nodeSpawn(executable, [...args], options)
}
async function waitForSpawn(
child: DirectLinuxStdioChild,
signal: AbortSignal | undefined,
timeoutMs: number
): Promise<void> {
await new Promise<void>((resolve, reject) => {
let settled = false
const finish = (callback: () => void): void => {
if (settled) return
settled = true
clearTimeout(timer)
signal?.removeEventListener('abort', abort)
callback()
}
const abort = (): void => finish(() => reject(
new DirectLinuxStdioProcessOwnerError('Runtime launch was cancelled', 'deadline')
))
const timer = setTimeout(abort, timeoutMs)
timer.unref?.()
child.once('spawn', () => finish(resolve))
child.once('error', (error) => finish(() => reject(error)))
signal?.addEventListener('abort', abort, { once: true })
})
}
async function waitForNamespaceEmpty(
identity: LinuxRuntimeProcessIdentity,
listMembers: typeof listLinuxPidNamespaceMembers,
deadline: number,
now: () => number
): Promise<boolean> {
while (now() < deadline) {
if ((await listMembers(identity)).length === 0) return true
await delay(Math.min(POLL_INTERVAL_MS, Math.max(1, deadline - now())))
}
return (await listMembers(identity)).length === 0
}
async function writeWithBackpressure(stream: Writable, payload: Buffer): Promise<void> {
await new Promise<void>((resolve, reject) => {
let callbackComplete = false
let drained = true
let settled = false
const cleanup = (): void => {
stream.removeListener('drain', onDrain)
stream.removeListener('error', onError)
stream.removeListener('close', onClose)
}
const finish = (): void => {
if (settled || !callbackComplete || !drained) return
settled = true
cleanup()
resolve()
}
const onError = (error: Error): void => {
if (settled) return
settled = true
cleanup()
reject(error)
}
const onClose = (): void => onError(
new DirectLinuxStdioProcessOwnerError('Runtime stdin closed during write', 'closed')
)
const onDrain = (): void => {
drained = true
finish()
}
stream.once('error', onError)
stream.once('close', onClose)
if (!stream.write(payload, (error?: Error | null) => {
if (error != null) onError(error)
else {
callbackComplete = true
finish()
}
})) {
drained = false
stream.once('drain', onDrain)
}
})
}
function positiveInteger(value: number, label: string): number {
if (!Number.isSafeInteger(value) || value <= 0) throw capacityError(`${label} must be positive`)
return value
}
function remainingMilliseconds(deadlineAt: string, now: number): number {
const deadline = Date.parse(deadlineAt)
const remaining = deadline - now
if (!Number.isFinite(deadline) || !Number.isSafeInteger(remaining) || remaining <= 0) {
throw new DirectLinuxStdioProcessOwnerError('Runtime operation deadline elapsed', 'deadline')
}
return Math.min(remaining, 120_000)
}
function enforceablePromptLimits(manifest: RemoteRuntimeBundleManifest): {
maximumPromptRuntimeMilliseconds: number
maximumPromptInputBytes: number
} {
return {
maximumPromptRuntimeMilliseconds:
manifest.limits.maximumPromptRuntimeMilliseconds,
maximumPromptInputBytes:
manifest.limits.maximumPromptInputBytes
}
}
function boundedPromptDeadline(
requestedDeadlineAt: string,
now: number,
maximumRuntimeMilliseconds: number
): string {
const requested = Date.parse(requestedDeadlineAt)
if (!Number.isFinite(requested) || requested <= now) {
throw new DirectLinuxStdioProcessOwnerError(
'Runtime operation deadline elapsed',
'deadline'
)
}
return new Date(
Math.min(requested, now + maximumRuntimeMilliseconds)
).toISOString()
}
function capacityError(message: string): DirectLinuxStdioProcessOwnerError {
return new DirectLinuxStdioProcessOwnerError(message, 'capacity')
}
function identityError(message: string): DirectLinuxStdioProcessOwnerError {
return new DirectLinuxStdioProcessOwnerError(message, 'identity')
}
function isMissingProcess(error: unknown): boolean {
return (
error !== null &&
typeof error === 'object' &&
'code' in error &&
['ENOENT', 'ESRCH'].includes(String(error.code))
)
}
function delay(milliseconds: number): Promise<void> {
return new Promise((resolve) => setTimeout(resolve, milliseconds))
}