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modify watch event before calling callback

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Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
This commit is contained in:
Jari Kolehmainen 2021-02-09 09:20:33 +02:00
parent ee501b4965
commit 8f812c59f5
2 changed files with 9 additions and 25 deletions
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23
src/renderer/api/kube-api.ts
View File

@ -11,7 +11,7 @@ import { KubeJsonApi, KubeJsonApiData, KubeJsonApiDataList } from "./kube-json-a
import { IKubeObjectConstructor, KubeObject } from "./kube-object";
import byline from "byline";
import { ReadableWebToNodeStream } from "readable-web-to-node-stream";
import { IKubeWatchEvent, IKubeWatchMessage } from "./kube-watch-api";
import { IKubeWatchEvent } from "./kube-watch-api";
export interface IKubeApiOptions<T extends KubeObject> {
/**
@ -399,10 +399,12 @@ export class KubeApi<T extends KubeObject = any> {
stream.on("data", (line) => {
try {
const data: IKubeWatchEvent = JSON.parse(line);
const event: IKubeWatchEvent = JSON.parse(line);
this.modifyWatchEvent(event);
if (callback) {
callback(data);
callback(event);
}
} catch (ignore) {
// ignore parse errors
@ -429,32 +431,23 @@ export class KubeApi<T extends KubeObject = any> {
return disposer;
}
protected generateMessage(event: IKubeWatchEvent): IKubeWatchMessage {
const message: IKubeWatchMessage = {};
protected modifyWatchEvent(event: IKubeWatchEvent) {
switch (event.type) {
case "ADDED":
case "DELETED":
case "MODIFIED": {
const data = event as IKubeWatchEvent<KubeJsonApiData>;
ensureObjectSelfLink(this, event.object);
message.data = data;
ensureObjectSelfLink(this, data.object);
const { namespace, resourceVersion } = data.object.metadata;
const { namespace, resourceVersion } = event.object.metadata;
this.setResourceVersion(namespace, resourceVersion);
this.setResourceVersion("", resourceVersion);
message.api = this;
message.namespace = namespace;
break;
}
}
return message;
}
}

11
src/renderer/api/kube-watch-api.ts
View File

@ -1,7 +1,6 @@
// Kubernetes watch-api client
// API: https://developer.mozilla.org/en-US/docs/Web/API/Streams_API/Using_readable_streams
import type { KubeObject } from "./kube-object";
import type { KubeObjectStore } from "../kube-object.store";
import type { ClusterContext } from "../components/context";
@ -9,7 +8,7 @@ import plimit from "p-limit";
import { comparer, IReactionDisposer, observable, reaction, when } from "mobx";
import { autobind, noop } from "../utils";
import { KubeApi } from "./kube-api";
import { KubeJsonApiData, KubeJsonApiError } from "./kube-json-api";
import { KubeJsonApiData } from "./kube-json-api";
import { isDebugging, isProduction } from "../../common/vars";
export interface IKubeWatchEvent<T = KubeJsonApiData> {
@ -17,14 +16,6 @@ export interface IKubeWatchEvent<T = KubeJsonApiData> {
object?: T;
}
export interface IKubeWatchMessage<T extends KubeObject = any> {
namespace?: string;
data?: IKubeWatchEvent<KubeJsonApiData>
error?: IKubeWatchEvent<KubeJsonApiError>;
api?: KubeApi<T>;
store?: KubeObjectStore<T>;
}
export interface IKubeWatchSubscribeStoreOptions {
namespaces?: string[]; // default: all accessible namespaces
preload?: boolean; // preload store items, default: true