73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package framework
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import (
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"fmt"
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"math/rand"
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etcd "github.com/coreos/etcd/client"
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"github.com/golang/glog"
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"golang.org/x/net/context"
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"k8s.io/kubernetes/pkg/util/env"
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)
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// If you need to start an etcd instance by hand, you also need to insert a key
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// for this check to pass (*any* key will do, eg:
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//curl -L http://127.0.0.1:2379/v2/keys/message -XPUT -d value="Hello world").
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var testing_etcd = false
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func GetEtcdURLFromEnv() string {
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url := env.GetEnvAsStringOrFallback("KUBE_INTEGRATION_ETCD_URL", "http://127.0.0.1:2379")
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glog.V(4).Infof("Using KUBE_INTEGRATION_ETCD_URL=%q", url)
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return url
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}
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func NewEtcdClient() etcd.Client {
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// gaurded to avoid infinite recursion, check etcd.
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if testing_etcd {
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RequireEtcd()
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}
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cfg := etcd.Config{
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Endpoints: []string{GetEtcdURLFromEnv()},
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}
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client, err := etcd.New(cfg)
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if err != nil {
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glog.Fatalf("unable to connect to etcd for testing: %v", err)
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}
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return client
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}
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func RequireEtcd() {
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testing_etcd = true
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defer func() {
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testing_etcd = false
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}()
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if _, err := etcd.NewKeysAPI(NewEtcdClient()).Get(context.TODO(), "/", nil); err != nil {
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glog.Fatalf("unable to connect to etcd for testing: %v", err)
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}
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}
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func WithEtcdKey(f func(string)) {
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prefix := fmt.Sprintf("/test-%d", rand.Int63())
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defer etcd.NewKeysAPI(NewEtcdClient()).Delete(context.TODO(), prefix, &etcd.DeleteOptions{Recursive: true})
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f(prefix)
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}
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