kubernetes/test/integration/framework/etcd.go
dhilipkumars fd8758b047 Extend apiserver testserver such that in can be used in integration tests
abstract out etcd server creation
test/integration/framework: cleanup master_utils.go
kube-apiserver: move StartTestServer tests into test/integration/master
Fix the failing scale test
kube-apiserver's TestServer now returns a struct instead of individual values
2017-11-22 15:16:25 +05:30

110 lines
2.5 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 framework
import (
"fmt"
"hash/adler32"
"io"
"io/ioutil"
"math/rand"
"os"
"os/exec"
"path/filepath"
"sync"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/util/env"
)
var (
etcdSetup sync.Once
etcdURL = ""
)
func setupETCD() {
etcdSetup.Do(func() {
if os.Getenv("RUNFILES_DIR") == "" {
etcdURL = env.GetEnvAsStringOrFallback("KUBE_INTEGRATION_ETCD_URL", "http://127.0.0.1:2379")
return
}
etcdPath := filepath.Join(os.Getenv("RUNFILES_DIR"), "com_coreos_etcd/etcd")
// give every test the same random port each run
etcdPort := 20000 + rand.New(rand.NewSource(int64(adler32.Checksum([]byte(os.Args[0]))))).Intn(5000)
etcdURL = fmt.Sprintf("http://127.0.0.1:%d", etcdPort)
info, err := os.Stat(etcdPath)
if err != nil {
glog.Fatalf("Unable to stat etcd: %v", err)
}
if info.IsDir() {
glog.Fatalf("Did not expect %q to be a directory", etcdPath)
}
etcdDataDir, err := ioutil.TempDir(os.TempDir(), "integration_test_etcd_data")
if err != nil {
glog.Fatalf("Unable to make temp etcd data dir: %v", err)
}
glog.Infof("storing etcd data in: %v", etcdDataDir)
etcdCmd := exec.Command(
etcdPath,
"--data-dir",
etcdDataDir,
"--listen-client-urls",
GetEtcdURL(),
"--advertise-client-urls",
GetEtcdURL(),
"--listen-peer-urls",
"http://127.0.0.1:0",
)
stdout, err := etcdCmd.StdoutPipe()
if err != nil {
glog.Fatalf("Failed to run etcd: %v", err)
}
stderr, err := etcdCmd.StderrPipe()
if err != nil {
glog.Fatalf("Failed to run etcd: %v", err)
}
if err := etcdCmd.Start(); err != nil {
glog.Fatalf("Failed to run etcd: %v", err)
}
go io.Copy(os.Stdout, stdout)
go io.Copy(os.Stderr, stderr)
go func() {
if err := etcdCmd.Wait(); err != nil {
glog.Fatalf("Failed to run etcd: %v", err)
}
glog.Fatalf("etcd should not have succeeded")
}()
})
}
func EtcdMain(tests func() int) {
setupETCD()
os.Exit(tests())
}
// return the EtcdURL
func GetEtcdURL() string {
return etcdURL
}