polardbxoperator/test/framework/context.go

110 lines
2.8 KiB
Go

/*
Copyright 2021 Alibaba Group Holding Limited.
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 framework
import (
"context"
"flag"
promv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
"time"
"k8s.io/apimachinery/pkg/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
polardbxv1 "github.com/alibaba/polardbx-operator/api/v1"
)
var scheme = runtime.NewScheme()
func init() {
_ = clientgoscheme.AddToScheme(scheme)
_ = polardbxv1.AddToScheme(scheme)
_ = promv1.AddToScheme(scheme)
}
type TestContextType struct {
TimeoutInSeconds int
Namespace string
}
type testContext struct {
Ctx context.Context
CancelFn context.CancelFunc
Namespace string
KubeConfig *rest.Config
Client client.Client
KubeConfigFile string
}
func (t *TestContextType) RegisterAndParse() {
flag.IntVar(&t.TimeoutInSeconds, "timeout", 0, "Timeout in seconds.")
flag.StringVar(&t.Namespace, "namespace", "default", "Namespace.")
flag.Parse()
}
var (
testContextType TestContextType
TestContext *testContext
)
func RegisterFlagsAndParse() {
testContextType.RegisterAndParse()
TestContext = newTestContext(&testContextType)
}
func (t *TestContextType) NewContext() (context.Context, context.CancelFunc) {
if t.TimeoutInSeconds > 0 {
return context.WithTimeout(context.Background(), time.Duration(t.TimeoutInSeconds)*time.Second)
} else {
return context.WithCancel(context.Background())
}
}
func newClient(config *rest.Config) (client.Client, error) {
mapper, err := apiutil.NewDynamicRESTMapper(config)
if err != nil {
return nil, err
}
return client.New(config, client.Options{
Scheme: scheme,
Mapper: mapper,
Opts: client.WarningHandlerOptions{},
})
}
func newTestContext(t *TestContextType) *testContext {
ctx, cancel := t.NewContext()
tc := &testContext{
Ctx: ctx,
CancelFn: cancel,
Namespace: t.Namespace,
KubeConfigFile: flag.Lookup("kubeconfig").Value.String(),
KubeConfig: ctrl.GetConfigOrDie(),
}
c, err := newClient(tc.KubeConfig)
if err != nil {
panic("failed to new test client")
}
tc.Client = c
return tc
}