Watch-api streaming reworks (#1990)

* loading k8s resources into stores per selected namespaces -- part 1

Signed-off-by: Roman <ixrock@gmail.com>

* loading k8s resources into stores per selected namespaces -- part 2
- fix: generating helm chart id

Signed-off-by: Roman <ixrock@gmail.com>

* loading k8s resources into stores per selected namespaces -- part 3

Signed-off-by: Roman <ixrock@gmail.com>

* fixes

Signed-off-by: Roman <ixrock@gmail.com>

* fixes / responding to comments

Signed-off-by: Roman <ixrock@gmail.com>

* chore / small fixes

Signed-off-by: Roman <ixrock@gmail.com>

* Watch api does not work for non-admins with lots of namespaces #1898 -- part 1

Signed-off-by: Roman <ixrock@gmail.com>

* fixes & refactoring

Signed-off-by: Roman <ixrock@gmail.com>

* make lint happy

Signed-off-by: Roman <ixrock@gmail.com>

* reset store on loading error

Signed-off-by: Roman <ixrock@gmail.com>

* added new cluster method: cluster.isAllowedResource

Signed-off-by: Roman <ixrock@gmail.com>

* fix: loading namespaces optimizations

Signed-off-by: Roman <ixrock@gmail.com>

* fixes & refactoring

Signed-off-by: Roman <ixrock@gmail.com>

* fix: parse multiple kube-events from stream's chunk

Signed-off-by: Roman <ixrock@gmail.com>

* fix: mobx issue with accessing empty observable array by index (removes warning), use common logger

Signed-off-by: Roman <ixrock@gmail.com>

* fine-tuning

Signed-off-by: Roman <ixrock@gmail.com>

* fix: parse json stream chunks at client-side (might be partial, depends on network speed)

Signed-off-by: Roman <ixrock@gmail.com>

* store subscribing refactoring -- part 1

Signed-off-by: Roman <ixrock@gmail.com>

* store subscribing refactoring -- part 2

Signed-off-by: Roman <ixrock@gmail.com>

* store subscribing refactoring -- part 3

Signed-off-by: Roman <ixrock@gmail.com>

* store subscribing refactoring -- part 4

Signed-off-by: Roman <ixrock@gmail.com>

* auto-reconnect on online/offline status change, interval connection check

Signed-off-by: Roman <ixrock@gmail.com>

* check connection every 5m

Signed-off-by: Roman <ixrock@gmail.com>

* split concurrent watch-api requests by 10 at a time + 150ms delay before next call

Signed-off-by: Roman <ixrock@gmail.com>

* refactoring / clean up

Signed-off-by: Roman <ixrock@gmail.com>

* use `plimit` + delay for k8s watch requests

Signed-off-by: Roman <ixrock@gmail.com>

* lint fix

Signed-off-by: Roman <ixrock@gmail.com>

* added explicit `preload: true` when subscribing stores

Signed-off-by: Roman <ixrock@gmail.com>

* kubeWatchApi refactoring / fine-tuning

Signed-off-by: Roman <ixrock@gmail.com>

* clean up

Signed-off-by: Roman <ixrock@gmail.com>

src/common/utils/delay.ts

@@ -0,0 +1,6 @@
+// Create async delay for provided timeout in milliseconds
+
+export async function delay(timeoutMs = 1000) {
+  if (!timeoutMs) return;
+  await new Promise(resolve => setTimeout(resolve, timeoutMs));
+}

src/common/utils/index.ts

@@ -7,6 +7,7 @@ export * from "./autobind";
 export * from "./base64";
 export * from "./camelCase";
 export * from "./cloneJson";
+export * from "./delay";
 export * from "./debouncePromise";
 export * from "./defineGlobal";
 export * from "./getRandId";