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Change waitForProcessing to use exponential backoff #3937

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Change waitForProcessing to use exponential backoff #3937

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dfc1411
Change waitForProcessing to use exponential backoff
robertbrignull May 28, 2026
d40e417
Only do initial wait when not running tests
robertbrignull Jun 1, 2026
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30 changes: 17 additions & 13 deletions lib/entry-points.js
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46 changes: 27 additions & 19 deletions src/upload-lib.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -829,8 +829,10 @@
fs.writeFileSync(outputFile, sarifPayload);
}

const STATUS_CHECK_FREQUENCY_MILLISECONDS = 5 * 1000;
const STATUS_CHECK_TIMEOUT_MILLISECONDS = 2 * 60 * 1000;
// Should lead to status checks after 5s, 15s, 35s, 75s, and 155s.
const STATUS_CHECK_INITIAL_BACKOFF_MILLISECONDS = 5 * 1000;
const STATUS_CHECK_BACKOFF_MULTIPLIER = 2;
const STATUS_CHECK_MAX_TRIES = 5;

type ProcessingStatus = "pending" | "complete" | "failed";

Expand All @@ -854,20 +856,17 @@
try {
const client = api.getApiClient();

const statusCheckingStarted = Date.now();
while (true) {
if (
Date.now() >
statusCheckingStarted + STATUS_CHECK_TIMEOUT_MILLISECONDS
) {
// If the analysis hasn't finished processing in the allotted time, we continue anyway rather than failing.
// It's possible the analysis will eventually finish processing, but it's not worth spending more
// Actions time waiting.
logger.warning(
"Timed out waiting for analysis to finish processing. Continuing.",
);
break;
}
// Do an initial wait because processing will always take a minimum of 2-3 seconds
let statusCheckBackoff = STATUS_CHECK_INITIAL_BACKOFF_MILLISECONDS;
if (process.env["NODE_ENV"] !== "test") {

Check warning

Code scanning / CodeQL

Some environment variables may not exist in default setup workflows Warning

The environment variable NODE_ENV may not exist in default setup workflows. If all uses are safe, add it to the list of environment variables that are known to be safe in 'queries/default-setup-environment-variables.ql'. If this use is safe but others are not, dismiss this alert as a false positive.
await util.delay(statusCheckBackoff, { allowProcessExit: false });
}

for (
let statusCheckCount = 1;
statusCheckCount <= STATUS_CHECK_MAX_TRIES;
statusCheckCount++
) {
let response: OctokitResponse<any> | undefined = undefined;
try {
response = await client.request(
Expand Down Expand Up @@ -912,9 +911,18 @@
util.assertNever(status);
}

await util.delay(STATUS_CHECK_FREQUENCY_MILLISECONDS, {
allowProcessExit: false,
});
if (statusCheckCount === STATUS_CHECK_MAX_TRIES) {
// If the analysis hasn't finished processing in the allotted time, we continue anyway rather than failing.
// It's possible the analysis will eventually finish processing, but it's not worth spending more
// Actions time waiting.
logger.warning(
"Timed out waiting for analysis to finish processing. Continuing.",
);
break;
} else {
statusCheckBackoff *= STATUS_CHECK_BACKOFF_MULTIPLIER;
await util.delay(statusCheckBackoff, { allowProcessExit: false });
}
}
} finally {
logger.endGroup();
Expand Down
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