fix: avoid using kui-custom command for switching kubectl namespace

Fixes #4806

Author: starpit

plugins/plugin-kubectl/src/controller/kubectl/get-namespaces.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import Debug from 'debug'
 import {
   Arguments,
   Registrar,
@@ -35,8 +34,6 @@ import { doGet, doGetAsMMR, getFlags as flags } from './get'
 import { isKubeResource } from '../../lib/model/resource'
 import { KubeOptions, isTableRequest, isWatchRequest } from './options'
 
-const debug = Debug('plugin-kubectl/controller/kubectl/get/namespace')
-
 /**
  * Summarize the resources in the namespace indicated by the last
  * positional argument into a table, where resources are histogrammed
@@ -89,33 +86,6 @@ function doSummarizeNamespace(args: Arguments<KubeOptions>): Promise<Table> {
   return doSummarizeNamedNamespace(args.tab, ns)
 }
 
-/**
- * Switch to the namespace indicated by the last positional argument,
- * then summarize the resources in that namespace in a table.
- *
- */
-async function doSwitchNamespace(args: Arguments<KubeOptions>): Promise<true | Table> {
-  // switch to this namespace
-  const ns = args.argvNoOptions[args.argvNoOptions.length - 1]
-
-  // this does the actual switch
-  await args.REPL.qexec(`kubectl config set-context --current --namespace=${ns}`)
-
-  let summarizeNamespaceOnSwitch = false
-  try {
-    summarizeNamespaceOnSwitch = require('@kui-shell/client/config.d/kubectl.json').summarizeNamespaceOnSwitch
-  } catch (err) {
-    debug('using default value for summarizeNamespaceOnSwitch', err)
-  }
-
-  if (!summarizeNamespaceOnSwitch) {
-    // client config told us not to summarize namespace on switch
-    return true
-  }
-
-  return doSummarizeNamespace(args)
-}
-
 /**
  * @return the currently active namespace in the currently selected context
  *
@@ -178,7 +148,7 @@ async function asRadioTable(args: Arguments<KubeOptions>, { header, body }: Tabl
       Object.assign(rtRow, {
         onSelect: () => {
           const ns = radioTableCellToString(rtRow.cells[rtRow.nameIdx])
-          args.REPL.pexec(`namespace switch ns ${ns}`)
+          args.REPL.pexec(`kubectl config set-context --current --namespace=${ns}`)
         }
       })
     )
@@ -232,6 +202,4 @@ export default (commandTree: Registrar) => {
 
   commandTree.listen(`/${commandPrefix}/namespace/current`, doGetCurrentNamespace, flags)
   commandTree.listen(`/${commandPrefix}/namespace/summarize`, doSummarizeNamespace, flags)
-  commandTree.listen(`/${commandPrefix}/namespace/switch`, doSwitchNamespace, flags)
-  commandTree.listen(`/${commandPrefix}/ns/switch`, doSwitchNamespace, flags)
 }

plugins/plugin-kubectl/src/test/k8s1/namespace.ts

@@ -62,7 +62,7 @@ describe(`kubectl namespace ${process.env.MOCHA_RUN_TARGET || ''}`, function(thi
     /** switch to default context via command */
     const switchToDefault = () => {
       it('should switch back to default via command', () => {
-        return CLI.command(`namespace switch default`, this.app)
+        return CLI.command(`kubectl config set-context --current --namespace=default`, this.app)
           .then(ReplExpect.okWithAny)
           .catch(Common.oops(this, true))
       })