forked from IBM/vpc-node-label-updater
/
fake.go
170 lines (154 loc) · 4.85 KB
/
fake.go
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/**
* Copyright 2020 IBM Corp.
*
* 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 nodeupdater ...
package nodeupdater
import (
"bytes"
"context"
errors "errors"
"fmt"
"net/url"
"strings"
"testing"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
// MockVPCNodeLabelUpdater ...
type MockVPCNodeLabelUpdater struct {
Node *v1.Node
K8sClient *kubernetes.Clientset
Logger *zap.Logger
StorageSecretConfig *StorageSecretConfig
}
// GetTestLogger ...
func GetTestLogger(t *testing.T) (logger *zap.Logger, teardown func()) {
atom := zap.NewAtomicLevel()
atom.SetLevel(zap.DebugLevel)
encoderCfg := zap.NewProductionEncoderConfig()
encoderCfg.TimeKey = "timestamp"
encoderCfg.EncodeTime = zapcore.ISO8601TimeEncoder
buf := &bytes.Buffer{}
logger = zap.New(
zapcore.NewCore(
zapcore.NewJSONEncoder(encoderCfg),
zapcore.AddSync(buf),
atom,
),
zap.AddCaller(),
)
teardown = func() {
_ = logger.Sync() // #nosec G104: flush any buffered log entries only on best-effort basis.Error cannot be usefully handled.
if t.Failed() {
t.Log(buf)
}
}
return
}
func initMockNodeLabelUpdater(t *testing.T) *MockVPCNodeLabelUpdater {
logger, teardown := GetTestLogger(t)
defer teardown()
mockVPCNodeLabelUpdater := &MockVPCNodeLabelUpdater{
Node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: "fake-node",
Namespace: "fake",
Labels: map[string]string{"test": "test"},
},
},
Logger: logger,
StorageSecretConfig: &StorageSecretConfig{},
K8sClient: nil,
}
return mockVPCNodeLabelUpdater
}
// GetWorkerDetails ...
func (m *MockVPCNodeLabelUpdater) GetWorkerDetails(workerNodeName string) (*NodeInfo, error) {
if strings.Contains(workerNodeName, "ip") {
return m.GetInstanceByIP(workerNodeName)
}
return m.GetInstanceByName(workerNodeName)
}
// GetInstancesFromVPC ...
func (m *MockVPCNodeLabelUpdater) GetInstancesFromVPC(riaasInstanceURL *url.URL) ([]*Instance, error) {
fmt.Println(m.StorageSecretConfig.IAMAccessToken)
if m.StorageSecretConfig.IAMAccessToken == "" {
return nil, errors.New("failed to get worker details as instance list is empty")
}
if riaasInstanceURL.Scheme == "" {
return nil, errors.New("get \"\": unsupported protocol scheme \"\"")
}
if strings.Contains(riaasInstanceURL.Host, "invalid") {
return nil, errors.New("get \"https://invalid\": dial tcp: lookup invalid")
}
ins := &Instance{
Name: "valid-worker",
ID: "valid-instance-id",
PrimaryNetworkInterface: &NetworkInterface{
PrimaryIpv4Address: "valid-worker-ip",
},
}
insL := []*Instance{ins}
return insL, nil
}
// GetInstanceByName ...
func (m *MockVPCNodeLabelUpdater) GetInstanceByName(workerNodeName string) (*NodeInfo, error) {
if strings.Contains(workerNodeName, "invalid") {
return nil, errors.New("failed to get worker details as instance list is empty")
}
insL, err := m.GetInstancesFromVPC(m.StorageSecretConfig.RiaasEndpointURL)
if err != nil {
return nil, err
}
return m.getNodeInfo(insL[0])
}
// GetInstanceByIP ...
func (m *MockVPCNodeLabelUpdater) GetInstanceByIP(workerNodeName string) (*NodeInfo, error) {
if strings.Contains(workerNodeName, "invalid-ip") {
return nil, errors.New("failed to get worker details as instance list is empty")
}
if m.StorageSecretConfig.IAMAccessToken == "" {
return nil, errors.New("failed to get worker details as instance list is empty")
}
if m.StorageSecretConfig.RiaasEndpointURL.Scheme == "" {
return nil, errors.New("get \"\": unsupported protocol scheme \"\"")
}
if strings.Contains(m.StorageSecretConfig.RiaasEndpointURL.Host, "invalid") {
return nil, errors.New("get \"https://invalid\": dial tcp: lookup invalid")
}
if strings.Contains(workerNodeName, "valid-worker-ip") {
return &NodeInfo{}, nil
}
return nil, errors.New("")
}
func (m *MockVPCNodeLabelUpdater) getNodeInfo(instance *Instance) (*NodeInfo, error) {
if instance == nil {
return nil, errors.New("instance is nil")
}
return &NodeInfo{
InstanceID: instance.ID,
Zone: "valid-zone",
}, nil
}
// UpdateNodeLabel ...
func (m *MockVPCNodeLabelUpdater) UpdateNodeLabel(ctx context.Context, workerNodeName string) (done bool, err error) {
if strings.Contains(workerNodeName, "valid") {
return true, nil
}
return false, errors.New("")
}