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fix: drain request after shutdown

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Signed-off-by: Camila Belo <camilaibs@gmail.com>
This commit is contained in:
Camila Belo
2024-12-02 17:07:51 +01:00
parent 8ca1549547
commit 7d0d43c51a
3 changed files with 44 additions and 10 deletions
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packages/backend-app-api/src/wiring/BackendInitializer.ts
+24 -9
View File
@@ -65,9 +65,18 @@ const instanceRegistry = new (class InstanceRegistry {
if (!this.#registered) {
this.#registered = true;
process.addListener('SIGTERM', this.#exitHandler);
process.addListener('SIGINT', this.#exitHandler);
process.addListener('beforeExit', this.#exitHandler);
process.addListener('SIGTERM', () => {
this.#exitHandler();
});
process.addListener('SIGINT', () => {
this.#exitHandler();
});
process.addListener('SIGQUIT', () => {
process.exit(0);
});
process.addListener('beforeExit', () => {
this.#exitHandler();
});
}
this.#instances.add(instance);
@@ -79,12 +88,18 @@ const instanceRegistry = new (class InstanceRegistry {
#exitHandler = async () => {
try {
const results = await Promise.allSettled(
Array.from(this.#instances).map(b => b.stop()),
);
const errors = results.flatMap(r =>
r.status === 'rejected' ? [r.reason] : [],
);
// This signals to the healthcheck service that the process is shutting down
process.exitCode = 0;
const results = await Promise.race([
// Give the backend 30 seconds to shut down, then force exit
new Promise(resolve => setTimeout(resolve, 30000)),
Promise.allSettled(Array.from(this.#instances).map(b => b.stop())),
]);
const errors = Array.isArray(results)
? results.flatMap(r => (r.status === 'rejected' ? [r.reason] : []))
: [];
if (errors.length > 0) {
for (const error of errors) {