3ac39d03ce
- Proper modular structure: src/commands/ + src/lib/ - Autocomplete for /logs and /restart (live container names) - All metrics queries run in parallel (Promise.all) - Multi-stage Docker build (builder + production) - TypeScript type check as CI job before docker build Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
19 lines
695 B
TypeScript
19 lines
695 B
TypeScript
const BASE = process.env.PROMETHEUS_URL ?? 'http://prometheus:9090';
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interface PromResponse {
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status: string;
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data: { result: Array<{ value: [number, string] }> };
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}
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/** Run an instant query and return the scalar value, or null on error. */
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export async function scalar(q: string): Promise<number | null> {
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try {
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const url = `${BASE}/api/v1/query?query=${encodeURIComponent(q)}`;
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const res = await fetch(url, { signal: AbortSignal.timeout(6_000) });
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const json = await res.json() as PromResponse;
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if (json.status === 'success' && json.data.result.length > 0) {
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return parseFloat(json.data.result[0].value[1]);
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}
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} catch { /* unreachable */ }
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return null;
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}
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