func (etcd *ETCDClusterRunner) detectRunningEtcd(index int) bool {
var client *etcdclient.Client
if etcd.serverSSL == nil {
client = etcdclient.NewClient([]string{})
} else {
var err error
client, err = etcdstoreadapter.NewETCDTLSClient(
[]string{etcd.clientURL(index)},
etcd.serverSSL.CertFile,
etcd.serverSSL.KeyFile,
etcd.serverSSL.CAFile,
)
Expect(err).NotTo(HaveOccurred())
}
return client.SetCluster([]string{etcd.clientURL(index)})
}
func (etcd *ETCDClusterRunner) start(nuke bool) {
etcd.mutex.RLock()
running := etcd.running
etcd.mutex.RUnlock()
if running {
return
}
etcd.mutex.Lock()
defer etcd.mutex.Unlock()
etcd.etcdProcesses = make([]ifrit.Process, etcd.numNodes)
clusterURLs := make([]string, etcd.numNodes)
for i := 0; i < etcd.numNodes; i++ {
clusterURLs[i] = etcd.nodeName(i) + "=" + etcd.serverURL(i)
}
for i := 0; i < etcd.numNodes; i++ {
if nuke {
etcd.nukeArtifacts(i)
}
if etcd.detectRunningEtcd(i) {
log.Fatalf("Detected an ETCD already running on %s", etcd.clientURL(i))
}
var args []string
if etcd.serverSSL != nil {
args = append(args,
"--cert-file="+etcd.serverSSL.CertFile,
"--key-file="+etcd.serverSSL.KeyFile,
)
if etcd.serverSSL.CAFile != "" {
args = append(args, "--ca-file="+etcd.serverSSL.CAFile)
}
}
os.MkdirAll(etcd.tmpPath(i), 0700)
process := ginkgomon.Invoke(ginkgomon.New(ginkgomon.Config{
Name: "etcd_cluster",
AnsiColorCode: "33m",
StartCheck: "etcdserver: published",
StartCheckTimeout: 10 * time.Second,
Command: exec.Command(
"etcd",
append([]string{
"--name", etcd.nodeName(i),
"--data-dir", etcd.tmpPath(i),
"--listen-client-urls", etcd.clientURL(i),
"--listen-peer-urls", etcd.serverURL(i),
"--initial-cluster", strings.Join(clusterURLs, ","),
"--initial-advertise-peer-urls", etcd.serverURL(i),
"--initial-cluster-state", "new",
"--advertise-client-urls", etcd.clientURL(i),
}, args...)...,
),
}))
etcd.etcdProcesses[i] = process
Eventually(func() bool {
defer func() {
// https://github.com/coreos/go-etcd/issues/114
recover()
}()
return etcd.detectRunningEtcd(i)
}, 10, 0.05).Should(BeTrue(), "Expected ETCD to be up and running")
}
var client *etcdclient.Client
if etcd.serverSSL == nil {
client = etcdclient.NewClient(etcd.NodeURLS())
} else {
var err error
client, err = etcdstoreadapter.NewETCDTLSClient(
etcd.NodeURLS(),
etcd.serverSSL.CertFile,
etcd.serverSSL.KeyFile,
etcd.serverSSL.CAFile,
)
Expect(err).NotTo(HaveOccurred())
}
etcd.client = client
etcd.running = true
}