mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
// Copyright 2018 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package main
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/url"
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"os"
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"strings"
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"time"
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clientv3 "go.etcd.io/etcd/client/v3"
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"go.etcd.io/etcd/server/v3/embed"
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"go.uber.org/zap"
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)
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func newEmbedURLs(n int) (urls []url.URL) {
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urls = make([]url.URL, n)
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for i := 0; i < n; i++ {
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u, _ := url.Parse(fmt.Sprintf("unix://localhost:%d%06d", os.Getpid(), i))
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urls[i] = *u
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}
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return urls
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}
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func setupEmbedCfg(cfg *embed.Config, curls, purls, ics []url.URL) {
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cfg.Logger = "zap"
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cfg.LogOutputs = []string{"/dev/null"}
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// []string{"stderr"} to enable server logging
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var err error
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cfg.Dir, err = ioutil.TempDir(os.TempDir(), fmt.Sprintf("%016X", time.Now().UnixNano()))
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if err != nil {
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panic(err)
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}
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os.RemoveAll(cfg.Dir)
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cfg.ClusterState = "new"
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cfg.ListenClientUrls, cfg.AdvertiseClientUrls = curls, curls
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cfg.ListenPeerUrls, cfg.AdvertisePeerUrls = purls, purls
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cfg.InitialCluster = ""
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for i := range ics {
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cfg.InitialCluster += fmt.Sprintf(",%d=%s", i, ics[i].String())
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}
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cfg.InitialCluster = cfg.InitialCluster[1:]
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}
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func getCommand(exec, name, dir, cURL, pURL, cluster string) (args []string) {
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if !strings.Contains(exec, "etcd") {
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panic(fmt.Errorf("%q doesn't seem like etcd binary", exec))
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}
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return []string{
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exec,
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"--name", name,
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"--data-dir", dir,
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"--listen-client-urls", cURL,
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"--advertise-client-urls", cURL,
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"--listen-peer-urls", pURL,
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"--initial-advertise-peer-urls", pURL,
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"--initial-cluster", cluster,
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"--initial-cluster-token=tkn",
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"--initial-cluster-state=new",
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}
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}
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func write(ep string) {
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cli, err := clientv3.New(clientv3.Config{Endpoints: []string{strings.Replace(ep, "/metrics", "", 1)}})
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if err != nil {
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lg.Panic("failed to create client", zap.Error(err))
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}
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defer cli.Close()
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_, err = cli.Put(ctx, "____test", "")
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if err != nil {
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lg.Panic("failed to write test key", zap.Error(err))
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}
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_, err = cli.Get(ctx, "____test")
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if err != nil {
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lg.Panic("failed to read test key", zap.Error(err))
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}
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_, err = cli.Delete(ctx, "____test")
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if err != nil {
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lg.Panic("failed to delete test key", zap.Error(err))
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}
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cli.Watch(ctx, "____test", clientv3.WithCreatedNotify())
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}
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