/
completion.go
129 lines (107 loc) · 3.44 KB
/
completion.go
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// Copyright Istio 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.
package cmd
import (
"context"
"strings"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"istio.io/istio/istioctl/pkg/util/handlers"
)
func getPodsNameInDefaultNamespace(toComplete string) ([]string, error) {
kubeClient, err := kubeClient(kubeconfig, configContext)
if err != nil {
return nil, err
}
ctx := context.Background()
ns := handlers.HandleNamespace(namespace, defaultNamespace)
podList, err := kubeClient.CoreV1().Pods(ns).List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}
var podsName []string
for _, pod := range podList.Items {
if toComplete == "" || strings.HasPrefix(pod.Name, toComplete) {
podsName = append(podsName, pod.Name)
}
}
return podsName, nil
}
func validPodsNameArgs(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
podsName, err := getPodsNameInDefaultNamespace(toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return podsName, cobra.ShellCompDirectiveNoFileComp
}
func getServicesName(toComplete string) ([]string, error) {
kubeClient, err := kubeClient(kubeconfig, configContext)
if err != nil {
return nil, err
}
ctx := context.Background()
ns := handlers.HandleNamespace(namespace, defaultNamespace)
serviceList, err := kubeClient.CoreV1().Services(ns).List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}
var serviceNameList []string
for _, service := range serviceList.Items {
if toComplete == "" || strings.HasPrefix(service.Name, toComplete) {
serviceNameList = append(serviceNameList, service.Name)
}
}
return serviceNameList, nil
}
func validServiceArgs(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
servicesName, err := getServicesName(toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return servicesName, cobra.ShellCompDirectiveNoFileComp
}
func getNamespacesName(toComplete string) ([]string, error) {
kubeClient, err := kubeClient(kubeconfig, configContext)
if err != nil {
return nil, err
}
ctx := context.Background()
nsList, err := getNamespaces(ctx, kubeClient)
if err != nil {
return nil, err
}
var nsNameList []string
for _, ns := range nsList {
if toComplete == "" || strings.HasPrefix(ns.Name, toComplete) {
nsNameList = append(nsNameList, ns.Name)
}
}
return nsNameList, nil
}
func validNamespaceArgs(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
nsName, err := getNamespacesName(toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return nsName, cobra.ShellCompDirectiveNoFileComp
}