-
Notifications
You must be signed in to change notification settings - Fork 7.6k
/
completion.go
167 lines (144 loc) · 4.87 KB
/
completion.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
// 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 completion
import (
"context"
"strings"
"github.com/spf13/cobra"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"istio.io/istio/istioctl/pkg/cli"
"istio.io/istio/pkg/kube"
)
func getPodsNameInDefaultNamespace(ctx cli.Context, toComplete string) ([]string, error) {
client, err := ctx.CLIClient()
if err != nil {
return nil, err
}
ns := ctx.NamespaceOrDefault(ctx.Namespace())
podList, err := client.Kube().CoreV1().Pods(ns).List(context.Background(), 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(ctx cli.Context) func(_ *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
return func(_ *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
podsName, err := getPodsNameInDefaultNamespace(ctx, toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return podsName, cobra.ShellCompDirectiveNoFileComp
}
}
func getServicesName(ctx cli.Context, toComplete string) ([]string, error) {
client, err := ctx.CLIClient()
if err != nil {
return nil, err
}
ns := ctx.NamespaceOrDefault(ctx.Namespace())
serviceList, err := client.Kube().CoreV1().Services(ns).List(context.Background(), 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(_ *cobra.Command, ctx cli.Context, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
servicesName, err := getServicesName(ctx, toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return servicesName, cobra.ShellCompDirectiveNoFileComp
}
func getNamespacesName(kubeClient kube.CLIClient, toComplete string) ([]string, error) {
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 getNamespaces(ctx context.Context, client kube.CLIClient) ([]corev1.Namespace, error) {
nslist, err := client.Kube().CoreV1().Namespaces().List(ctx, metav1.ListOptions{})
if err != nil {
return []corev1.Namespace{}, err
}
return nslist.Items, nil
}
func ValidNamespaceArgs(_ *cobra.Command, ctx cli.Context, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
client, err := ctx.CLIClient()
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
nsName, err := getNamespacesName(client, toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return nsName, cobra.ShellCompDirectiveNoFileComp
}
func ValidServiceAccountArgs(_ *cobra.Command, ctx cli.Context, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
if len(args) != 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
client, err := ctx.CLIClient()
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
saName, err := getServiceAccountsName(client, toComplete, ctx.NamespaceOrDefault(ctx.Namespace()))
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
return saName, cobra.ShellCompDirectiveNoFileComp
}
func getServiceAccountsName(kubeClient kube.CLIClient, toComplete, ns string) ([]string, error) {
ctx := context.Background()
saList, err := kubeClient.Kube().CoreV1().ServiceAccounts(ns).List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}
var saNameList []string
for _, sa := range saList.Items {
if toComplete == "" || strings.HasPrefix(sa.Name, toComplete) {
saNameList = append(saNameList, sa.Name)
}
}
return saNameList, nil
}