mirror of https://github.com/etcd-io/dbtester.git
130 lines
3.8 KiB
Go
130 lines
3.8 KiB
Go
// Copyright 2017 CoreOS, Inc.
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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 agent
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"github.com/coreos/dbtester/dbtesterpb"
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)
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// startEtcd starts etcd v3.
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func startEtcd(fs *flags, t *transporterServer) error {
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if !exist(fs.etcdExec) {
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return fmt.Errorf("etcd binary %q does not exist", globalFlags.etcdExec)
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}
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if err := os.RemoveAll(fs.etcdDataDir); err != nil {
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return err
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}
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peerIPs := strings.Split(t.req.PeerIPsString, "___")
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names := make([]string, len(peerIPs))
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clientURLs := make([]string, len(peerIPs))
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peerURLs := make([]string, len(peerIPs))
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members := make([]string, len(peerIPs))
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for i, u := range peerIPs {
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names[i] = fmt.Sprintf("etcd-%d", i+1)
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clientURLs[i] = fmt.Sprintf("http://%s:2379", u)
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peerURLs[i] = fmt.Sprintf("http://%s:2380", u)
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members[i] = fmt.Sprintf("%s=%s", names[i], peerURLs[i])
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}
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var flags []string
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switch t.req.DatabaseID {
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case dbtesterpb.DatabaseID_etcd__v3_1:
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flags = []string{
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"--name", names[t.req.IPIndex],
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"--data-dir", fs.etcdDataDir,
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"--quota-backend-bytes", fmt.Sprintf("%d", t.req.Flag_Etcd_Tip.QuotaSizeBytes),
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"--snapshot-count", fmt.Sprintf("%d", t.req.Flag_Etcd_Tip.SnapshotCount),
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"--listen-client-urls", clientURLs[t.req.IPIndex],
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"--advertise-client-urls", clientURLs[t.req.IPIndex],
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"--listen-peer-urls", peerURLs[t.req.IPIndex],
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"--initial-advertise-peer-urls", peerURLs[t.req.IPIndex],
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"--initial-cluster-token", "mytoken",
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"--initial-cluster", strings.Join(members, ","),
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"--initial-cluster-state", "new",
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}
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case dbtesterpb.DatabaseID_etcd__v3_2:
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flags = []string{
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"--name", names[t.req.IPIndex],
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"--data-dir", fs.etcdDataDir,
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"--quota-backend-bytes", fmt.Sprintf("%d", t.req.Flag_Etcd_Tip.QuotaSizeBytes),
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"--snapshot-count", fmt.Sprintf("%d", t.req.Flag_Etcd_Tip.SnapshotCount),
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"--listen-client-urls", clientURLs[t.req.IPIndex],
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"--advertise-client-urls", clientURLs[t.req.IPIndex],
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"--listen-peer-urls", peerURLs[t.req.IPIndex],
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"--initial-advertise-peer-urls", peerURLs[t.req.IPIndex],
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"--initial-cluster-token", "mytoken",
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"--initial-cluster", strings.Join(members, ","),
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"--initial-cluster-state", "new",
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}
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case dbtesterpb.DatabaseID_etcd__tip:
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flags = []string{
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"--name", names[t.req.IPIndex],
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"--data-dir", fs.etcdDataDir,
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"--quota-backend-bytes", fmt.Sprintf("%d", t.req.Flag_Etcd_Tip.QuotaSizeBytes),
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"--snapshot-count", fmt.Sprintf("%d", t.req.Flag_Etcd_Tip.SnapshotCount),
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"--listen-client-urls", clientURLs[t.req.IPIndex],
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"--advertise-client-urls", clientURLs[t.req.IPIndex],
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"--listen-peer-urls", peerURLs[t.req.IPIndex],
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"--initial-advertise-peer-urls", peerURLs[t.req.IPIndex],
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"--initial-cluster-token", "mytoken",
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"--initial-cluster", strings.Join(members, ","),
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"--initial-cluster-state", "new",
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}
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default:
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return fmt.Errorf("database ID %q is not supported", t.req.DatabaseID)
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}
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flagString := strings.Join(flags, " ")
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cmd := exec.Command(fs.etcdExec, flags...)
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cmd.Stdout = t.databaseLogFile
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cmd.Stderr = t.databaseLogFile
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cs := fmt.Sprintf("%s %s", cmd.Path, flagString)
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plog.Infof("starting database %q", cs)
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if err := cmd.Start(); err != nil {
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return err
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}
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t.cmd = cmd
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t.cmdWait = make(chan struct{})
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t.pid = int64(cmd.Process.Pid)
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plog.Infof("started database %q (PID: %d)", cs, t.pid)
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return nil
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}
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