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fix(supervisor): treat blank computer limits as unset

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.env.example ships RAKAZO_COMPUTER_MEMORY, _CPUS and _PIDS_LIMIT with no
value. Loaded as empty strings, they bypassed the ?? defaults and the
startup validation threw, so the supervisor crashed on a fresh setup.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012UBam2saiShpLy5o2cy3h8
This commit is contained in:
Claude 2026-10-04 15:00:47 +00:00
parent 68b1e63c46
commit 8840d9f7c3
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2 changed files with 20 additions and 3 deletions
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11
infra/sandboxes/supervisor/src/computer-spec.test.ts
View File

@ -669,6 +669,17 @@ describe("computer resource limits", () => {
expect(HostConfig.PidsLimit).toBe(2048);
});
it("falls back to the defaults when a limit is set but blank", () => {
// .env.example ships these keys with no value, which loads as "" rather than undefined.
for (const value of ["", " "]) {
for (const k of KEYS) process.env[k] = value;
const { HostConfig } = containerCreateOptions(createInput);
expect(HostConfig.Memory).toBe(2 * 1024 ** 3);
expect(HostConfig.NanoCpus).toBe(2 * 1e9);
expect(HostConfig.PidsLimit).toBe(2048);
}
});
it("pins MemorySwap to Memory so the ceiling cannot be swapped past", () => {
process.env.RAKAZO_COMPUTER_MEMORY = "1536m";
const { HostConfig } = containerCreateOptions(createInput);

12
infra/sandboxes/supervisor/src/computer-spec.ts
View File

@ -113,19 +113,25 @@ function parsePidsLimit(name: string, raw: string): number {
return value;
}
/** An unset or blank variable (as .env.example ships these) means the default. */
function limitSetting(name: string, fallback: string): string {
const value = process.env[name];
return value?.trim() ? value : fallback;
}
/** The host resource ceilings applied to every bot computer. */
export function computerResourceLimits() {
const memoryBytes = parseMemoryBytes(
"RAKAZO_COMPUTER_MEMORY",
process.env.RAKAZO_COMPUTER_MEMORY ?? DEFAULT_COMPUTER_MEMORY,
limitSetting("RAKAZO_COMPUTER_MEMORY", DEFAULT_COMPUTER_MEMORY),
);
const nanoCpus = parseNanoCpus(
"RAKAZO_COMPUTER_CPUS",
process.env.RAKAZO_COMPUTER_CPUS ?? DEFAULT_COMPUTER_CPUS,
limitSetting("RAKAZO_COMPUTER_CPUS", DEFAULT_COMPUTER_CPUS),
);
const pidsLimit = parsePidsLimit(
"RAKAZO_COMPUTER_PIDS_LIMIT",
process.env.RAKAZO_COMPUTER_PIDS_LIMIT ?? DEFAULT_COMPUTER_PIDS_LIMIT,
limitSetting("RAKAZO_COMPUTER_PIDS_LIMIT", DEFAULT_COMPUTER_PIDS_LIMIT),
);
return {
// Memory and MemorySwap are set together: leaving MemorySwap unset lets the