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metrics: can safely throw now

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This commit is contained in:
Girish Ramakrishnan
2025-07-08 18:08:43 +02:00
parent e3bec5039b
commit c73e24c3a2
1 changed files with 3 additions and 6 deletions
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9
src/metrics.js
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@@ -380,8 +380,7 @@ async function pipeContainerToMap(name, statsMap) {
assert.ok(statsMap instanceof Map);
// we used to poll before instead of a stream. but docker caches metrics internally and rate logic has to handle dups
const [error, statsStream] = await safe(docker.getStats(name, { stream: true }));
if (error) return null; // container stopped or missing, silently ignore
const statsStream = await docker.getStats(name, { stream: true });
statsStream.on('error', (error) => debug(error));
statsStream.on('data', (data) => {
@@ -425,9 +424,7 @@ async function pipeContainerToMap(name, statsMap) {
async function pipeSystemToMap(statsMap) {
assert.ok(statsMap instanceof Map);
const [error, metrics] = await safe(readSystemMetrics());
if (error) return; // silently ignore error
const metrics = await readSystemMetrics();
const oldMetrics = statsMap.get('system')?.raw || null;
const gap = oldMetrics ? (metrics.ts - oldMetrics.ts) : null;
@@ -479,7 +476,7 @@ async function getStream(options) {
const INTERVAL_MSECS = 1000;
intervalId = setInterval(async () => {
if (options.system) await pipeSystemToMap(statsMap);
if (options.system) await safe(pipeSystemToMap(statsMap), { debug });
const result = {};
const nowSecs = Date.now() / 1000; // to match graphite return value