add vm name completion

Signed-off-by: Yaroslav Borbat <[email protected]>

Author: yaroslavborbat

src/cli/internal/comp/virtualmachine.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2025 Flant JSC
+
+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.
+*/
+
+package comp
+
+import (
+	"strings"
+
+	"github.com/spf13/cobra"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/deckhouse/virtualization/src/cli/internal/clientconfig"
+)
+
+func VirtualMachineNameCompletionFunc(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+	directive := cobra.ShellCompDirectiveNoFileComp
+
+	if len(args) > 0 {
+		return nil, directive
+	}
+
+	client, namespace, _, err := clientconfig.ClientAndNamespaceFromContext(cmd.Context())
+	if err != nil {
+		return nil, directive
+	}
+
+	vms, err := client.VirtualMachines(namespace).List(cmd.Context(), metav1.ListOptions{})
+	if err != nil {
+		return nil, directive
+	}
+
+	var comps []string
+	for _, vm := range vms.Items {
+		if strings.HasPrefix(vm.Name, toComplete) {
+			comps = append(comps, vm.Name)
+		}
+	}
+
+	return comps, directive
+}

src/cli/pkg/command/virtualization.go

@@ -37,6 +37,7 @@ import (
 	"github.com/deckhouse/virtualization/src/cli/internal/cmd/scp"
 	"github.com/deckhouse/virtualization/src/cli/internal/cmd/ssh"
 	"github.com/deckhouse/virtualization/src/cli/internal/cmd/vnc"
+	"github.com/deckhouse/virtualization/src/cli/internal/comp"
 	"github.com/deckhouse/virtualization/src/cli/internal/templates"
 )
 
@@ -100,6 +101,7 @@ func NewCommand(programName string) *cobra.Command {
 	virtCmd.SetContext(ctxWithClient)
 	for _, cmd := range virtCmd.Commands() {
 		cmd.SetContext(ctxWithClient)
+		cmd.ValidArgsFunction = comp.VirtualMachineNameCompletionFunc
 	}
 
 	return virtCmd