229 lines
6.8 KiB
Go
229 lines
6.8 KiB
Go
/*
|
|
Copyright 2017 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.
|
|
*/
|
|
|
|
package config
|
|
|
|
import (
|
|
"bytes"
|
|
"os"
|
|
"testing"
|
|
|
|
utiltesting "k8s.io/client-go/util/testing"
|
|
|
|
"k8s.io/client-go/tools/clientcmd"
|
|
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
|
|
)
|
|
|
|
type setClusterTest struct {
|
|
description string
|
|
config clientcmdapi.Config
|
|
args []string
|
|
flags []string
|
|
expected string
|
|
expectedConfig clientcmdapi.Config
|
|
}
|
|
|
|
func TestCreateCluster(t *testing.T) {
|
|
conf := clientcmdapi.Config{}
|
|
test := setClusterTest{
|
|
description: "Testing 'kubectl config set-cluster' with a new cluster",
|
|
config: conf,
|
|
args: []string{"my-cluster"},
|
|
flags: []string{
|
|
"--server=http://192.168.0.1",
|
|
"--tls-server-name=my-cluster-name",
|
|
},
|
|
expected: `Cluster "my-cluster" set.` + "\n",
|
|
expectedConfig: clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "http://192.168.0.1", TLSServerName: "my-cluster-name"},
|
|
},
|
|
},
|
|
}
|
|
test.run(t)
|
|
}
|
|
|
|
func TestCreateClusterWithProxy(t *testing.T) {
|
|
conf := clientcmdapi.Config{}
|
|
test := setClusterTest{
|
|
description: "Testing 'kubectl config set-cluster' with a new cluster",
|
|
config: conf,
|
|
args: []string{"my-cluster"},
|
|
flags: []string{
|
|
"--server=http://192.168.0.1",
|
|
"--tls-server-name=my-cluster-name",
|
|
"--proxy-url=http://192.168.0.2",
|
|
},
|
|
expected: `Cluster "my-cluster" set.` + "\n",
|
|
expectedConfig: clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {
|
|
Server: "http://192.168.0.1",
|
|
TLSServerName: "my-cluster-name",
|
|
ProxyURL: "http://192.168.0.2",
|
|
},
|
|
},
|
|
},
|
|
}
|
|
test.run(t)
|
|
}
|
|
|
|
func TestModifyCluster(t *testing.T) {
|
|
conf := clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.1", TLSServerName: "to-be-cleared"},
|
|
},
|
|
}
|
|
test := setClusterTest{
|
|
description: "Testing 'kubectl config set-cluster' with an existing cluster",
|
|
config: conf,
|
|
args: []string{"my-cluster"},
|
|
flags: []string{
|
|
"--server=https://192.168.0.99",
|
|
},
|
|
expected: `Cluster "my-cluster" set.` + "\n",
|
|
expectedConfig: clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.99"},
|
|
},
|
|
},
|
|
}
|
|
test.run(t)
|
|
}
|
|
|
|
// TestModifyClusterWithProxy tests setting proxy-url in kubeconfig
|
|
func TestModifyClusterWithProxy(t *testing.T) {
|
|
conf := clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.1", TLSServerName: "to-be-cleared"},
|
|
},
|
|
}
|
|
test := setClusterTest{
|
|
description: "Testing 'kubectl config set-cluster' with an existing cluster",
|
|
config: conf,
|
|
args: []string{"my-cluster"},
|
|
flags: []string{
|
|
"--server=https://192.168.0.99",
|
|
"--proxy-url=https://192.168.0.100",
|
|
},
|
|
expected: `Cluster "my-cluster" set.` + "\n",
|
|
expectedConfig: clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.99", ProxyURL: "https://192.168.0.100"},
|
|
},
|
|
},
|
|
}
|
|
test.run(t)
|
|
}
|
|
|
|
// TestModifyClusterWithProxyOverride tests updating proxy-url
|
|
// in kubeconfig which already exists
|
|
func TestModifyClusterWithProxyOverride(t *testing.T) {
|
|
conf := clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {
|
|
Server: "https://192.168.0.1",
|
|
TLSServerName: "to-be-cleared",
|
|
ProxyURL: "https://192.168.0.2",
|
|
},
|
|
},
|
|
}
|
|
test := setClusterTest{
|
|
description: "Testing 'kubectl config set-cluster' with an existing cluster",
|
|
config: conf,
|
|
args: []string{"my-cluster"},
|
|
flags: []string{
|
|
"--server=https://192.168.0.99",
|
|
"--proxy-url=https://192.168.0.100",
|
|
},
|
|
expected: `Cluster "my-cluster" set.` + "\n",
|
|
expectedConfig: clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.99", ProxyURL: "https://192.168.0.100"},
|
|
},
|
|
},
|
|
}
|
|
test.run(t)
|
|
}
|
|
|
|
func TestModifyClusterServerAndTLS(t *testing.T) {
|
|
conf := clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.1"},
|
|
},
|
|
}
|
|
test := setClusterTest{
|
|
description: "Testing 'kubectl config set-cluster' with an existing cluster",
|
|
config: conf,
|
|
args: []string{"my-cluster"},
|
|
flags: []string{
|
|
"--server=https://192.168.0.99",
|
|
"--tls-server-name=my-cluster-name",
|
|
},
|
|
expected: `Cluster "my-cluster" set.` + "\n",
|
|
expectedConfig: clientcmdapi.Config{
|
|
Clusters: map[string]*clientcmdapi.Cluster{
|
|
"my-cluster": {Server: "https://192.168.0.99", TLSServerName: "my-cluster-name"},
|
|
},
|
|
},
|
|
}
|
|
test.run(t)
|
|
}
|
|
|
|
func (test setClusterTest) run(t *testing.T) {
|
|
fakeKubeFile, err := os.CreateTemp(os.TempDir(), "")
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
defer utiltesting.CloseAndRemove(t, fakeKubeFile)
|
|
err = clientcmd.WriteToFile(test.config, fakeKubeFile.Name())
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
pathOptions := clientcmd.NewDefaultPathOptions()
|
|
pathOptions.GlobalFile = fakeKubeFile.Name()
|
|
pathOptions.EnvVar = ""
|
|
buf := bytes.NewBuffer([]byte{})
|
|
cmd := NewCmdConfigSetCluster(buf, pathOptions)
|
|
cmd.SetArgs(test.args)
|
|
cmd.Flags().Parse(test.flags)
|
|
if err := cmd.Execute(); err != nil {
|
|
t.Fatalf("unexpected error executing command: %v, args: %v, flags: %v", err, test.args, test.flags)
|
|
}
|
|
config, err := clientcmd.LoadFromFile(fakeKubeFile.Name())
|
|
if err != nil {
|
|
t.Fatalf("unexpected error loading kubeconfig file: %v", err)
|
|
}
|
|
if len(test.expected) != 0 {
|
|
if buf.String() != test.expected {
|
|
t.Errorf("Failed in %q\n expected %v\n but got %v", test.description, test.expected, buf.String())
|
|
}
|
|
}
|
|
if len(test.args) > 0 {
|
|
cluster, ok := config.Clusters[test.args[0]]
|
|
if !ok {
|
|
t.Errorf("expected cluster %v, but got nil", test.args[0])
|
|
return
|
|
}
|
|
if cluster.Server != test.expectedConfig.Clusters[test.args[0]].Server {
|
|
t.Errorf("Fail in %q\n expected cluster server %v\n but got %v\n ", test.description, test.expectedConfig.Clusters[test.args[0]].Server, cluster.Server)
|
|
}
|
|
if cluster.TLSServerName != test.expectedConfig.Clusters[test.args[0]].TLSServerName {
|
|
t.Errorf("Fail in %q\n expected cluster TLS server name %q\n but got %q\n ", test.description, test.expectedConfig.Clusters[test.args[0]].TLSServerName, cluster.TLSServerName)
|
|
}
|
|
}
|
|
}
|