c1efa6467d
Add optional finalization_ms to keep observing a captured root after SIGTERM, record the actual finalizer exit and each signal attempt, and escalate once when needed. Bind the initial root identity to captured ownership and preserve observations through cleanup uncertainty. Fixes #1253. Co-authored-by: Mykola Dementiev <16836724+nikolay-dementiev@users.noreply.github.com> Co-authored-by: N0zoM1z0 <161784452+N0zoM1z0@users.noreply.github.com>
52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
import { spawn } from "node:child_process";
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import { mkdirSync, writeFileSync } from "node:fs";
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import { join } from "node:path";
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import { fileURLToPath } from "node:url";
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// Writes a periodic report, then behaves by mode:
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// - "cooperative": stays alive; SIGTERM prints a line, writes a final report
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// and exits cleanly.
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// - "ignoring": stays alive and swallows SIGTERM and SIGINT, so only SIGKILL
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// ends the process.
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// - "exits": exits on its own at once.
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// - "descendant": cooperates while leaving a SIGTERM-ignoring child for owned cleanup.
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// An optional third argument is the exit code a cooperative finalizer uses.
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const [mode, directory, finalExitCode = "0"] = process.argv.slice(2);
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writeFileSync(join(directory, "pid.txt"), String(process.pid));
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writeFileSync(
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join(directory, "periodic.json"),
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JSON.stringify({ phase: "periodic" }),
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);
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if (mode === "exits") process.exit(0);
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if (mode === "descendant") {
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const childDirectory = join(directory, "descendant");
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mkdirSync(childDirectory);
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spawn(
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process.execPath,
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[fileURLToPath(import.meta.url), "ignoring", childDirectory],
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{ detached: true, stdio: "ignore" },
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);
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}
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if (mode === "ignoring") {
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process.on("SIGTERM", () => {
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writeFileSync(join(directory, "sigterm-received"), "received");
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});
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process.on("SIGINT", () => undefined);
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} else {
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process.on("SIGTERM", () => {
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writeFileSync(join(directory, "sigterm-received"), "received");
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process.stdout.write("finalized\n");
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writeFileSync(
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join(directory, "final.json"),
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JSON.stringify({ phase: "final" }),
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);
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process.exit(Number(finalExitCode));
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});
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}
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setInterval(() => undefined, 1_000);
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