mirror of
https://github.com/etcd-io/etcd.git
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041b9069a2
- Add/Document "logger" to support structured logging.
- This makes functional tests run easier, since zap logger
provides built-in log redirect to files.
- "etcd --logger-option=zap" to enable structured logging.
- Current "capnslog" will still be used as "default".
- We may switch the default or deprecate "capnslog" in v3.5.
- Either way, will clearly be documented.
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
// Copyright 2015 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 etcdmain
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import (
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"fmt"
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"os"
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"strings"
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"github.com/coreos/go-systemd/daemon"
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systemdutil "github.com/coreos/go-systemd/util"
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"go.uber.org/zap"
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)
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func Main() {
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checkSupportArch()
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if len(os.Args) > 1 {
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cmd := os.Args[1]
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if covArgs := os.Getenv("ETCDCOV_ARGS"); len(covArgs) > 0 {
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args := strings.Split(os.Getenv("ETCDCOV_ARGS"), "\xe7\xcd")[1:]
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rootCmd.SetArgs(args)
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cmd = "grpc-proxy"
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}
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switch cmd {
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case "gateway", "grpc-proxy":
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if err := rootCmd.Execute(); err != nil {
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fmt.Fprint(os.Stderr, err)
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os.Exit(1)
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}
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return
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}
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}
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startEtcdOrProxyV2()
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}
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func notifySystemd(lg *zap.Logger) {
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if !systemdutil.IsRunningSystemd() {
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return
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}
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if lg != nil {
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lg.Info("host was booted with systemd, sends READY=1 message to init daemon")
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}
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sent, err := daemon.SdNotify(false, "READY=1")
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if err != nil {
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if lg != nil {
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lg.Error("failed to notify systemd for readiness", zap.Error(err))
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} else {
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plog.Errorf("failed to notify systemd for readiness: %v", err)
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}
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}
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if !sent {
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if lg != nil {
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lg.Warn("forgot to set Type=notify in systemd service file?")
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} else {
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plog.Errorf("forgot to set Type=notify in systemd service file?")
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}
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}
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}
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