Refactor watches to use native k8s api (#2095)

* fix lint

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

* fixes & refactoring

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

* fix lint, micro-refactoring

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

* more refactoring, clean up, responding to comments

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

* fix: remove extra check for cluster.allowedApi from processing buffered watch-api events

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

* refactoring, detaching NamespaceStore from KubeObjectStore

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

* fix: wait for contextReady in NamespaceStore

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

* refactoring & fixes

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

* fix lint

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

* fixes: reloading context stores on NamespaceSelect-change

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

* optimize loading all resources when "all namespaces" selected -> single request per resource (when have rights)

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

* use native k8s api watches

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

* retry watch when it makes sense

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

* workaround for browser connection limits

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

* cleanup

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

* cleanup

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

* use always random subdomain for getResponse

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

* resubscribe stores on contextNamespace change

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

* fix

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

* modify watch event before calling callback

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

Co-authored-by: Roman <ixrock@gmail.com>

src/renderer/components/+workloads-overview/overview-statuses.tsx

@@ -6,7 +6,6 @@ import { OverviewWorkloadStatus } from "./overview-workload-status";
 import { Link } from "react-router-dom";
 import { workloadURL, workloadStores } from "../+workloads";
 import { namespaceStore } from "../+namespaces/namespace.store";
-import { PageFiltersList } from "../item-object-list/page-filters-list";
 import { NamespaceSelectFilter } from "../+namespaces/namespace-select";
 import { isAllowedResource, KubeResource } from "../../../common/rbac";
 import { ResourceNames } from "../../../renderer/utils/rbac";
@@ -27,7 +26,7 @@ export class OverviewStatuses extends React.Component {
   @autobind()
   renderWorkload(resource: KubeResource): React.ReactElement {
     const store = workloadStores[resource];
-    const items = store.getAllByNs(namespaceStore.getContextNamespaces());
+    const items = store.getAllByNs(namespaceStore.contextNamespaces);
 
     return (
       <div className="workload" key={resource}>
@@ -50,7 +49,6 @@ export class OverviewStatuses extends React.Component {
           <h5 className="box grow">Overview</h5>
           <NamespaceSelectFilter />
         </div>
-        <PageFiltersList />
         <div className="workloads">
           {workloads}
         </div>

src/renderer/components/+workloads-overview/overview.tsx

@@ -16,6 +16,7 @@ import { cronJobStore } from "../+workloads-cronjobs/cronjob.store";
 import { Events } from "../+events";
 import { isAllowedResource } from "../../../common/rbac";
 import { kubeWatchApi } from "../../api/kube-watch-api";
+import { clusterContext } from "../context";
 
 interface Props extends RouteComponentProps<IWorkloadsOverviewRouteParams> {
 }
@@ -29,6 +30,7 @@ export class WorkloadsOverview extends React.Component<Props> {
         jobStore, cronJobStore, eventStore,
       ], {
         preload: true,
+        namespaces: clusterContext.contextNamespaces,
       }),
     ]);
   }