feat: Containers kube tab

Author: starpit

plugins/plugin-kubectl/src/lib/model/resource.ts

@@ -32,7 +32,7 @@ export interface KubeStatusCondition {
   phase?: string
 }
 
-interface KubeContainerStatus {
+export interface KubeContainerStatus {
   name: string
   containerID: string
   restartCount: number
@@ -304,7 +304,7 @@ interface ContainerSpec {
   image: string
   imagePullPolicy: string
   name: string
-  resource: Record<string, any> // eslint-disable-line @typescript-eslint/no-explicit-any
+  resources: Record<string, unknown>
   terminationMessagePath: string
   terminationMessagePolicy: string
   volumeMounts: { mountPath: string; name: string }[]

plugins/plugin-kubectl/src/lib/view/modes/Containers.ts

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2023 The Kubernetes Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import type { ModeRegistration, Tab } from '@kui-shell/core'
+
+import { KubeContainerStatus, Pod, isPod } from '../../model/resource'
+
+async function content(_: Tab, resource: Pod) {
+  // this module is expensive to load, so we defer that expense
+  const { dump } = await import('js-yaml')
+
+  // helps with unified just below
+  const statuses = resource.status.containerStatuses.reduce((M, _) => {
+    const status = Object.assign({}, _)
+    delete status.name // no need to say this twice, once for spec, once for status
+    M[_.name] = status
+    return M
+  }, {} as Record<string, KubeContainerStatus>)
+
+  // unify spec and status
+  const unified = resource.spec.containers.reduce((M, _) => {
+    const combo = Object.assign(
+      {
+        args: _.args,
+        resources: _.resources,
+        status: statuses[_.name] || 'missing status'
+      },
+      _
+    )
+    delete combo.name
+    M[_.name] = combo
+    return M
+  }, {})
+
+  return {
+    contentType: 'yaml',
+    content: dump(unified)
+  }
+}
+
+/**
+ * The Summary mode applies to all KubeResources, and uses
+ * `renderContent` to render the view.
+ *
+ */
+const logsReg: ModeRegistration<Pod> = {
+  when: isPod,
+  mode: {
+    mode: 'containers',
+    label: 'Containers',
+    content
+  }
+}
+
+export default logsReg

plugins/plugin-kubectl/src/lib/view/modes/yaml.ts

@@ -39,7 +39,12 @@ async function content(_, resource: WithRawData) {
     content: dump(
       JSON.parse(
         JSON.stringify(load(resource.kuiRawData), (key, value) =>
-          key === 'managedFields' || key === 'annotations' /* || key === 'labels' */ ? undefined : value
+          key === 'managedFields' ||
+          key === 'annotations' ||
+          key === 'containers' ||
+          key === 'containerStatuses' /* || key === 'labels' */
+            ? undefined
+            : value
         )
       )
     )

plugins/plugin-kubectl/src/non-headless-preload.ts

@@ -23,6 +23,7 @@ import yamlMode from './lib/view/modes/yaml'
 import summaryMode from './lib/view/modes/Summary'
 import crdSummaryMode from './lib/view/modes/crd-summary'
 import configmapSummaryMode from './lib/view/modes/configmap-summary'
+import containersMode from './lib/view/modes/Containers'
 import logsMode from './lib/view/modes/logs-mode'
 import ExecIntoPad from './lib/view/modes/ExecIntoPod'
 import lastAppliedMode from './lib/view/modes/last-applied'
@@ -58,6 +59,7 @@ export default async (registrar: PreloadRegistrar) => {
     logsMode,
     ExecIntoPad,
     lastAppliedMode,
+    containersMode,
     EditButton,
     // managedFieldsMode,
     showCRDResources,