124 lines
3.5 KiB
Go
124 lines
3.5 KiB
Go
/*
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Copyright 2013 CoreOS Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package main
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import (
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"fmt"
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"os"
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"github.com/coreos/etcd/log"
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"github.com/coreos/etcd/server"
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"github.com/coreos/etcd/store"
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"github.com/coreos/raft"
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)
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func main() {
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// Load configuration.
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var config = server.NewConfig()
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if err := config.Load(os.Args[1:]); err != nil {
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fmt.Println(server.Usage() + "\n")
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fmt.Println(err.Error() + "\n")
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os.Exit(1)
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} else if config.ShowVersion {
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fmt.Println(server.ReleaseVersion)
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os.Exit(0)
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} else if config.ShowHelp {
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fmt.Println(server.Usage() + "\n")
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os.Exit(0)
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}
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// Enable options.
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if config.VeryVerbose {
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log.Verbose = true
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raft.SetLogLevel(raft.Debug)
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} else if config.Verbose {
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log.Verbose = true
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}
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if config.CPUProfileFile != "" {
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profile(config.CPUProfileFile)
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}
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// Setup a default directory based on the machine name
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if config.DataDir == "" {
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config.DataDir = config.Name + ".etcd"
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log.Warnf("Using the directory %s as the etcd configuration directory because a directory was not specified. ", config.DataDir)
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}
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// Create data directory if it doesn't already exist.
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if err := os.MkdirAll(config.DataDir, 0744); err != nil {
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log.Fatalf("Unable to create path: %s", err)
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}
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// Load info object.
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info, err := config.Info()
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if err != nil {
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log.Fatal("info:", err)
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}
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if info.Name == "" {
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host, err := os.Hostname()
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if err != nil || host == "" {
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log.Fatal("Node name required and hostname not set. e.g. '-name=name'")
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}
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log.Warnf("Using hostname %s as the node name. You must ensure this name is unique among etcd nodes.", host)
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info.Name = host
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}
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// Setup a default directory based on the node name
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if config.DataDir == "" {
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config.DataDir = info.Name + ".etcd"
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log.Warnf("Using the directory %s as the etcd configuration directory because a directory was not specified. ", config.DataDir)
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}
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// Create data directory if it doesn't already exist.
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if err := os.MkdirAll(config.DataDir, 0744); err != nil {
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log.Fatalf("Unable to create path: %s", err)
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}
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// Retrieve TLS configuration.
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tlsConfig, err := info.EtcdTLS.Config()
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if err != nil {
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log.Fatal("Client TLS:", err)
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}
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peerTLSConfig, err := info.RaftTLS.Config()
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if err != nil {
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log.Fatal("Peer TLS:", err)
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}
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// Create etcd key-value store and registry.
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store := store.New()
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registry := server.NewRegistry(store)
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// Create peer server.
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ps := server.NewPeerServer(info.Name, config.DataDir, info.RaftURL, info.RaftListenHost, &peerTLSConfig, &info.RaftTLS, registry, store, config.SnapshotCount)
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ps.MaxClusterSize = config.MaxClusterSize
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ps.RetryTimes = config.MaxRetryAttempts
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// Create client server.
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s := server.New(info.Name, info.EtcdURL, info.EtcdListenHost, &tlsConfig, &info.EtcdTLS, ps, registry, store)
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if err := s.AllowOrigins(config.CorsOrigins); err != nil {
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panic(err)
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}
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ps.SetServer(s)
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// Run peer server in separate thread while the client server blocks.
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go func() {
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log.Fatal(ps.ListenAndServe(config.Snapshot, config.Peers))
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}()
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log.Fatal(s.ListenAndServe())
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}
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