Files
kubernetes/cmd/kubeadm/app/phases/uploadconfig/uploadconfig_test.go

115 lines
3.8 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 uploadconfig
import (
"testing"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
clientsetfake "k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
kubeadmapiext "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1alpha1"
kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
"k8s.io/kubernetes/pkg/api"
)
func TestUploadConfiguration(t *testing.T) {
tests := []struct {
name string
errOnCreate error
errOnUpdate error
updateExisting bool
errExpected bool
verifyResult bool
}{
{
name: "basic validation with correct key",
verifyResult: true,
},
{
name: "update existing should report no error",
updateExisting: true,
verifyResult: true,
},
{
name: "unexpected errors for create should be returned",
errOnCreate: apierrors.NewUnauthorized(""),
errExpected: true,
},
{
name: "update existing show report error if unexpected error for update is returned",
errOnUpdate: apierrors.NewUnauthorized(""),
updateExisting: true,
errExpected: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cfg := &kubeadmapi.MasterConfiguration{
KubernetesVersion: "1.7.3",
}
client := clientsetfake.NewSimpleClientset()
if tt.errOnCreate != nil {
client.PrependReactor("create", "configmaps", func(action core.Action) (bool, runtime.Object, error) {
return true, nil, tt.errOnCreate
})
}
// For idempotent test, we check the result of the second call.
if err := UploadConfiguration(cfg, client); !tt.updateExisting && (err != nil) != tt.errExpected {
t.Errorf("UploadConfiguration() error = %v, wantErr %v", err, tt.errExpected)
}
if tt.updateExisting {
if tt.errOnUpdate != nil {
client.PrependReactor("update", "configmaps", func(action core.Action) (bool, runtime.Object, error) {
return true, nil, tt.errOnUpdate
})
}
if err := UploadConfiguration(cfg, client); (err != nil) != tt.errExpected {
t.Errorf("UploadConfiguration() error = %v", err)
}
}
if tt.verifyResult {
masterCfg, err := client.CoreV1().ConfigMaps(metav1.NamespaceSystem).Get(kubeadmconstants.MasterConfigurationConfigMap, metav1.GetOptions{})
if err != nil {
t.Errorf("Fail to query ConfigMap error = %v", err)
}
configData := masterCfg.Data[kubeadmconstants.MasterConfigurationConfigMapKey]
if configData == "" {
t.Errorf("Fail to find ConfigMap key")
}
decodedExtCfg := &kubeadmapiext.MasterConfiguration{}
decodedCfg := &kubeadmapi.MasterConfiguration{}
if err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), []byte(configData), decodedExtCfg); err != nil {
t.Errorf("unable to decode config from bytes: %v", err)
}
// Default and convert to the internal version
api.Scheme.Default(decodedExtCfg)
api.Scheme.Convert(decodedExtCfg, decodedCfg, nil)
if decodedCfg.KubernetesVersion != cfg.KubernetesVersion {
t.Errorf("Decoded value doesn't match, decoded = %#v, expected = %#v", decodedCfg.KubernetesVersion, cfg.KubernetesVersion)
}
}
})
}
}