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Fix KubeApi watch retry on timeout (#6640)

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* fix KubeApi watch retry on timeout

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* Fix tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
Signed-off-by: Sebastian Malton <sebastian@malton.name>
Co-authored-by: Sebastian Malton <sebastian@malton.name>
This commit is contained in:
Jari Kolehmainen 2022-11-24 15:44:35 +02:00 committed by GitHub
parent 95cee3bcc8
commit 245e132ada
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2 changed files with 12 additions and 12 deletions
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12
src/common/k8s-api/__tests__/kube-api.test.ts
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@ -592,7 +592,7 @@ describe("KubeApi", () => {
it("requests the watch", () => {
expect(fetchMock.mock.lastCall).toMatchObject([
"http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=",
"http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=&timeoutSeconds=600",
{
headers: {
"content-type": "application/json",
@ -606,7 +606,7 @@ describe("KubeApi", () => {
beforeEach(async () => {
await fetchMock.resolveSpecific(
([url, init]) => {
const isMatch = url === "http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=";
const isMatch = url === "http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=&timeoutSeconds=600";
if (isMatch) {
init?.signal?.addEventListener("abort", () => {
@ -616,7 +616,7 @@ describe("KubeApi", () => {
return isMatch;
},
createMockResponseFromStream("http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=", stream),
createMockResponseFromStream("http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=&timeoutSeconds=600", stream),
);
});
@ -688,7 +688,7 @@ describe("KubeApi", () => {
it("requests the watch", () => {
expect(fetchMock.mock.lastCall).toMatchObject([
"http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=",
"http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=&timeoutSeconds=600",
{
headers: {
"content-type": "application/json",
@ -702,7 +702,7 @@ describe("KubeApi", () => {
beforeEach(async () => {
await fetchMock.resolveSpecific(
([url, init]) => {
const isMatch = url === "http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=";
const isMatch = url === "http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=&timeoutSeconds=600";
if (isMatch) {
init?.signal?.addEventListener("abort", () => {
@ -712,7 +712,7 @@ describe("KubeApi", () => {
return isMatch;
},
createMockResponseFromStream("http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=", stream),
createMockResponseFromStream("http://127.0.0.1:9999/api-kube/api/v1/namespaces/kube-system/pods?watch=1&resourceVersion=&timeoutSeconds=600", stream),
);
});

12
src/common/k8s-api/kube-api.ts
View File

@ -14,7 +14,7 @@ import byline from "byline";
import type { IKubeWatchEvent } from "./kube-watch-event";
import type { KubeJsonApiData, KubeJsonApi } from "./kube-json-api";
import type { Disposer } from "../utils";
import { setTimeoutFor, isDefined, noop, WrappedAbortController } from "../utils";
import { isDefined, noop, WrappedAbortController } from "../utils";
import type { RequestInit, Response } from "node-fetch";
import type { Patch } from "rfc6902";
import assert from "assert";
@ -639,7 +639,7 @@ export class KubeApi<
namespace,
callback = noop as KubeApiWatchCallback<Data>,
retry = false,
timeout,
timeout = 600,
watchId = `${this.kind.toLowerCase()}-${this.watchId++}`,
} = opts ?? {};
@ -651,8 +651,6 @@ export class KubeApi<
clearTimeout(timedRetry);
});
setTimeoutFor(abortController, 600 * 1000);
const requestParams = timeout ? { query: { timeoutSeconds: timeout }} : {};
const watchUrl = this.getWatchUrl(namespace);
const responsePromise = this.request.getResponse(watchUrl, requestParams, {
@ -695,8 +693,10 @@ export class KubeApi<
}, timeout * 1000 * 1.1);
}
if (!response.body) {
this.dependencies.logger.error(`[KUBE-API]: watch (${watchId}) did not return a body`);
if (!response.body || !response.body.readable) {
if (!response.body) {
this.dependencies.logger.warn(`[KUBE-API]: watch (${watchId}) did not return a body`);
}
requestRetried = true;
clearTimeout(timedRetry);