added etcd support
This commit is contained in:
parent
59d44932a4
commit
85a8ba23bd
21 changed files with 767 additions and 247 deletions
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@ -1,19 +1,17 @@
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package main
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import (
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"context"
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"flag"
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"os"
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"os/exec"
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"os/signal"
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"path/filepath"
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"syscall"
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"time"
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"git.giftfish.de/ston1th/vipman/pkg/cluster"
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"git.giftfish.de/ston1th/vipman/pkg/config"
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"git.giftfish.de/ston1th/vipman/pkg/controller"
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"git.giftfish.de/ston1th/vipman/pkg/etcd"
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"git.giftfish.de/ston1th/vipman/pkg/raft"
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"git.giftfish.de/ston1th/vipman/pkg/vip"
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"github.com/go-logr/logr"
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"k8s.io/klog/v2"
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"k8s.io/klog/v2/klogr"
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)
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@ -21,105 +19,40 @@ import (
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var (
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configFile string
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version string
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log logr.Logger
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)
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func AddIPs(n *vip.Network, cidrs []string) error {
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for _, cidr := range cidrs {
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err := n.AddIP(cidr)
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if err != nil {
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klog.Infof("error adding ip %s to interface %s: %s", cidr, n.Interface(), err)
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}
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}
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return nil
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}
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func DeleteIPs(n *vip.Network, cidrs []string) error {
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for _, cidr := range cidrs {
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err := n.DeleteIP(cidr)
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if err != nil {
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klog.Infof("error deleting ip %s from interface %s: %s", cidr, n.Interface(), err)
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}
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}
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return nil
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}
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func main() {
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klog.InitFlags(nil)
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flag.StringVar(&configFile, "config", "vipman.yaml", "vipman config file")
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flag.Parse()
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log = klogr.New().WithName("main")
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log.Info("starting vipman", "version", version)
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cfg, err := config.ParseFile(configFile)
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if err != nil {
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klog.Fatalf("Initialization failed: %s", err)
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klog.Fatalf("init failed: %s", err)
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}
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n, err := vip.NewNetworkWithLabel(cfg.Interface, cfg.IPLabel)
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if err != nil {
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klog.Fatalf("Initialization failed: %s", err)
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}
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cc := cfg.Cluster.Raft
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c, err := raft.NewCluster(cluster.Callbacks{
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Leader: func(ctx context.Context, _ cluster.KV) {
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t := time.NewTicker(time.Second * 10)
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if cfg.LeaderHook != "" {
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if !filepath.IsAbs(cfg.LeaderHook) {
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klog.Infof("error running leaderHook %s: path is not absolute", cfg.LeaderHook)
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} else {
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var c cluster.Cluster
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if cfg.Cluster.Raft != nil {
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log.Info("creating cluster", "mode", "raft")
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c = raft.NewCluster(klogr.New().WithName("raft"))
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} else if cfg.Cluster.Etcd != nil {
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log.Info("creating cluster", "mode", "etcd")
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c = etcd.NewCluster(klogr.New().WithName("etcd"))
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}
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callbacks, err := controller.NewVIPController(cfg)
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if err != nil {
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klog.Fatalf("init failed: %s", err)
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}
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err = c.SetCallbacks(callbacks)
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if err != nil {
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klog.Fatalf("init failed: %s", err)
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}
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go func() {
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err := exec.CommandContext(ctx, cfg.LeaderHook).Run()
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err = c.Start(cfg)
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if err != nil {
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klog.Infof("error running leaderHook %s: %s", cfg.LeaderHook, err)
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}
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}()
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}
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}
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for {
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klog.Infof("[%s] leading", cc.ID)
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AddIPs(n, cfg.VirtualIPs)
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select {
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case <-ctx.Done():
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t.Stop()
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DeleteIPs(n, cfg.VirtualIPs)
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klog.Infof("[%s] leading canceled", cc.ID)
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return
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case <-t.C:
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}
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}
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},
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Follower: func(ctx context.Context, _ cluster.KV) {
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t := time.NewTicker(time.Second * 10)
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if cfg.FollowerHook != "" {
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if !filepath.IsAbs(cfg.FollowerHook) {
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klog.Infof("error running followerHook %s: path is not absolute", cfg.FollowerHook)
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} else {
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go func() {
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err := exec.CommandContext(ctx, cfg.FollowerHook).Run()
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if err != nil {
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klog.Infof("error running FollowerHook %s: %s", cfg.FollowerHook, err)
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}
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}()
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}
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}
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for {
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klog.Infof("[%s] following", cc.ID)
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//DeleteIPs(n, cfg.VirtualIPs)
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select {
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case <-ctx.Done():
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t.Stop()
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klog.Infof("[%s] following canceled", cc.ID)
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return
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case <-t.C:
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}
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}
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},
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})
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if err != nil {
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klog.Fatalf("Initialization failed: %s", err)
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}
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log := klogr.New()
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go func() {
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err = c.Start(log, cfg)
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if err != nil {
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klog.Fatalf("Initialization failed: %s", err)
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klog.Fatalf("init failed: %s", err)
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}
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}()
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go func() {
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@ -133,8 +66,9 @@ func main() {
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sigs := make(chan os.Signal)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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<-sigs
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log.Info("stopping vipman")
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c.Stop()
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DeleteIPs(n, cfg.VirtualIPs)
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//DeleteIPs(n, cfg.VirtualIPs)
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}
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/*
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12
etcd.sh
Executable file
12
etcd.sh
Executable file
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@ -0,0 +1,12 @@
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REGISTRY=gcr.io/etcd-development/etcd
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NODE1=127.0.0.1
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docker run \
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--rm -ti \
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-p 2379:2379 \
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-p 2380:2380 \
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--name etcd ${REGISTRY}:latest \
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/usr/local/bin/etcd \
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--data-dir=/etcd-data --name node1 \
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--initial-advertise-peer-urls http://${NODE1}:2380 --listen-peer-urls http://0.0.0.0:2380 \
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--advertise-client-urls http://${NODE1}:2379 --listen-client-urls http://0.0.0.0:2379 \
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--initial-cluster node1=http://${NODE1}:2380
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16
go.mod
16
go.mod
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@ -4,12 +4,24 @@ go 1.15
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require (
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git.giftfish.de/ston1th/raftbbolt v0.0.0-20201114165203-b85c94bfc9b0
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github.com/fatih/color v1.10.0 // indirect
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github.com/coreos/etcd v3.3.25+incompatible
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github.com/coreos/go-semver v0.3.0 // indirect
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github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
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github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
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github.com/envoyproxy/go-control-plane v0.9.4 // indirect
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github.com/go-logr/logr v0.3.0
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github.com/gogo/protobuf v1.3.1 // indirect
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github.com/golang/protobuf v1.4.3 // indirect
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github.com/google/go-cmp v0.5.0 // indirect
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github.com/google/uuid v1.1.2 // indirect
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github.com/hashicorp/go-hclog v0.15.0
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github.com/hashicorp/raft v1.2.0
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github.com/vishvananda/netlink v1.1.0
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golang.org/x/sys v0.0.0-20201113233024-12cec1faf1ba // indirect
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go.etcd.io/etcd v3.3.25+incompatible
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go.uber.org/zap v1.16.0
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google.golang.org/grpc v1.26.0 // indirect
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gopkg.in/yaml.v2 v2.3.0
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k8s.io/klog/v2 v2.4.0
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)
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replace github.com/coreos/bbolt => go.etcd.io/bbolt v1.3.5
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140
go.sum
140
go.sum
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@ -1,66 +1,100 @@
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cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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git.giftfish.de/ston1th/raftbbolt v0.0.0-20201114165203-b85c94bfc9b0 h1:DU0PVdA2EHz2LFGEdkwgJopL9HQh5nFC9GJ7oqzZ300=
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git.giftfish.de/ston1th/raftbbolt v0.0.0-20201114165203-b85c94bfc9b0/go.mod h1:9dF/aHYkXts6/6oVyJ+vzXCn7NURDaoREaanX0aspx0=
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github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
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github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 h1:EFSB7Zo9Eg91v7MJPVsifUysc/wPdN+NOnVe6bWbdBM=
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github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
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github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
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github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
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github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
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github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
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github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
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github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
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github.com/coreos/etcd v0.5.0-alpha.5 h1:0Qi6Jzjk2CDuuGlIeecpu+em2nrjhOgz2wsIwCmQHmc=
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github.com/coreos/etcd v3.3.25+incompatible h1:0GQEw6h3YnuOVdtwygkIfJ+Omx0tZ8/QkVyXI4LkbeY=
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github.com/coreos/etcd v3.3.25+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
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github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf h1:iW4rZ826su+pqaw19uhpSCzhj44qo35pNgKFGqzDKkU=
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github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
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github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg=
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github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
|
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github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
|
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github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
|
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github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
|
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github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
|
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github.com/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg=
|
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github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
|
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github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
|
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github.com/go-logr/logr v0.3.0 h1:q4c+kbcR0d5rSurhBR8dIgieOaYpXtsdTYfx22Cu6rs=
|
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github.com/go-logr/logr v0.3.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
|
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github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
|
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github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
|
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github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
|
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github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
|
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github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
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github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
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github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
|
||||
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
|
||||
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
|
||||
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
|
||||
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
|
||||
github.com/golang/protobuf v1.4.1 h1:ZFgWrT+bLgsYPirOnRfKLYJLvssAegOj/hgyMFdJZe0=
|
||||
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
|
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github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
|
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github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
|
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github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
|
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github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
|
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github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
|
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github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
|
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github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
|
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github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
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github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
|
||||
github.com/hashicorp/go-hclog v0.9.1 h1:9PZfAcVEvez4yhLH2TBU64/h/z4xlFI80cWXRrxuKuM=
|
||||
github.com/hashicorp/go-hclog v0.9.1/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
|
||||
github.com/hashicorp/go-hclog v0.15.0 h1:qMuK0wxsoW4D0ddCCYwPSTm4KQv1X1ke3WmPWZ0Mvsk=
|
||||
github.com/hashicorp/go-hclog v0.15.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
|
||||
github.com/hashicorp/go-immutable-radix v1.0.0 h1:AKDB1HM5PWEA7i4nhcpwOrO2byshxBjXVn/J/3+z5/0=
|
||||
github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
|
||||
github.com/hashicorp/go-msgpack v0.5.5 h1:i9R9JSrqIz0QVLz3sz+i3YJdT7TTSLcfLLzJi9aZTuI=
|
||||
github.com/hashicorp/go-msgpack v0.5.5/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
|
||||
github.com/hashicorp/go-msgpack v1.1.5 h1:9byZdVjKTe5mce63pRVNP1L7UAmdHOTEMGehn6KvJWs=
|
||||
github.com/hashicorp/go-msgpack v1.1.5/go.mod h1:gWVc3sv/wbDmR3rQsj1CAktEZzoz1YNK9NfGLXJ69/4=
|
||||
github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
|
||||
github.com/hashicorp/go-uuid v1.0.0 h1:RS8zrF7PhGwyNPOtxSClXXj9HA8feRnJzgnI1RJCSnM=
|
||||
github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
|
||||
github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCOH9wdo=
|
||||
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
|
||||
github.com/hashicorp/raft v1.2.0 h1:mHzHIrF0S91d3A7RPBvuqkgB4d/7oFJZyvf1Q4m7GA0=
|
||||
github.com/hashicorp/raft v1.2.0/go.mod h1:vPAJM8Asw6u8LxC3eJCUZmRP/E4QmUGE1R7g7k8sG/8=
|
||||
github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea/go.mod h1:pNv7Wc3ycL6F5oOWn+tPGo2gWD4a5X+yp/ntwdKLjRk=
|
||||
github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
|
||||
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
|
||||
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
|
||||
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
|
||||
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
|
||||
github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
|
||||
github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
|
||||
github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
|
||||
github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
|
||||
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
|
||||
github.com/mattn/go-isatty v0.0.10 h1:qxFzApOv4WsAL965uUPIsXzAKCZxN2p9UqdhFS4ZW10=
|
||||
github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
|
||||
github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
|
||||
github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
|
||||
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
|
||||
github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
|
||||
github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
|
||||
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=
|
||||
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
|
||||
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
|
||||
github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
|
||||
github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
|
||||
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
||||
github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
|
||||
github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
|
||||
github.com/vishvananda/netlink v1.1.0 h1:1iyaYNBLmP6L0220aDnYQpo1QEV4t4hJ+xEEhhJH8j0=
|
||||
github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
|
||||
|
|
@ -68,27 +102,95 @@ github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df h1:OviZH7qLw/7Zo
|
|||
github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
|
||||
go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
|
||||
go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
|
||||
go.etcd.io/etcd v0.5.0-alpha.5 h1:VOolFSo3XgsmnYDLozjvZ6JL6AAwIDu1Yx1y+4EYLDo=
|
||||
go.etcd.io/etcd v3.3.25+incompatible h1:V1RzkZJj9LqsJRy+TUBgpWSbZXITLB819lstuTFoZOY=
|
||||
go.etcd.io/etcd v3.3.25+incompatible/go.mod h1:yaeTdrJi5lOmYerz05bd8+V7KubZs8YSFZfzsF9A6aI=
|
||||
go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
|
||||
go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
|
||||
go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
|
||||
go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
|
||||
go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
|
||||
go.uber.org/zap v1.16.0 h1:uFRZXykJGK9lLY4HtgSw44DnIcAM+kRBP7x5m+NpAOM=
|
||||
go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
|
||||
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
|
||||
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
|
||||
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
|
||||
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
|
||||
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
|
||||
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
|
||||
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
|
||||
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
|
||||
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20190523142557-0e01d883c5c5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 h1:LfCXLvNmTYH9kEmVgqbnsWfruoXZIrh4YBgqVHtDvw0=
|
||||
golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20201113233024-12cec1faf1ba h1:xmhUJGQGbxlod18iJGqVEp9cHIPLl7QiX2aA3to708s=
|
||||
golang.org/x/sys v0.0.0-20201113233024-12cec1faf1ba/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
|
||||
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
|
||||
golang.org/x/tools v0.0.0-20190424220101-1e8e1cfdf96b/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
|
||||
golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
|
||||
golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
|
||||
golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
|
||||
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
|
||||
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
|
||||
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
|
||||
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
|
||||
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
|
||||
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
|
||||
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
|
||||
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
|
||||
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
|
||||
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
|
||||
google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg=
|
||||
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
|
||||
google.golang.org/grpc v1.27.0 h1:rRYRFMVgRv6E0D70Skyfsr28tDXIuuPZyWGMPdMcnXg=
|
||||
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
|
||||
google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
|
||||
google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
|
||||
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
|
||||
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
|
||||
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
|
||||
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
|
||||
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
|
||||
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
|
||||
google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
|
||||
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
|
||||
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
|
||||
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
|
||||
google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
|
||||
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
|
||||
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
|
||||
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
|
||||
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
|
||||
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
|
||||
k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
|
||||
k8s.io/klog/v2 v2.4.0 h1:7+X0fUguPyrKEC4WjH8iGDg3laWgMo5tMnRTIGTTxGQ=
|
||||
k8s.io/klog/v2 v2.4.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
|
||||
|
|
|
|||
|
|
@ -8,7 +8,8 @@ import (
|
|||
)
|
||||
|
||||
type Cluster interface {
|
||||
Start(logr.Logger, *config.Config) error
|
||||
Start(*config.Config) error
|
||||
SetCallbacks(Callbacks) error
|
||||
Stepdown()
|
||||
Stop()
|
||||
}
|
||||
|
|
@ -19,7 +20,13 @@ type KV interface {
|
|||
Delete(k string) error
|
||||
}
|
||||
|
||||
type Callbacks struct {
|
||||
Leader func(context.Context, KV)
|
||||
Follower func(context.Context, KV)
|
||||
type CallbackContext interface {
|
||||
logr.Logger
|
||||
KV
|
||||
ID() string
|
||||
}
|
||||
|
||||
type Callbacks struct {
|
||||
Leader func(context.Context, CallbackContext)
|
||||
Follower func(context.Context, CallbackContext)
|
||||
}
|
||||
|
|
|
|||
19
pkg/config/ca.go
Normal file
19
pkg/config/ca.go
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
package config
|
||||
|
||||
import (
|
||||
"crypto/x509"
|
||||
"io/ioutil"
|
||||
)
|
||||
|
||||
func LoadCertPool(file string) (p *x509.CertPool, err error) {
|
||||
if file == "" {
|
||||
return
|
||||
}
|
||||
buf, err := ioutil.ReadFile(file)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
p = x509.NewCertPool()
|
||||
p.AppendCertsFromPEM(buf)
|
||||
return
|
||||
}
|
||||
|
|
@ -4,6 +4,8 @@ import (
|
|||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
|
||||
"gopkg.in/yaml.v2"
|
||||
)
|
||||
|
|
@ -11,6 +13,10 @@ import (
|
|||
const (
|
||||
RaftDir = "raft"
|
||||
RaftPort = 7001
|
||||
RaftLogLevel = "off"
|
||||
|
||||
EtcdLogLevel = "error"
|
||||
EtcdPrefix = "/vipman"
|
||||
)
|
||||
|
||||
func ParseFile(file string) (cfg *Config, err error) {
|
||||
|
|
@ -35,14 +41,24 @@ func Validate(c *Config) error {
|
|||
if len(c.VirtualIPs) == 0 {
|
||||
return errors.New("missing virtualIPs config")
|
||||
}
|
||||
if c.LeaderHook != "" {
|
||||
if !filepath.IsAbs(c.LeaderHook) {
|
||||
return errors.New("leaderHook path must be absolute")
|
||||
}
|
||||
}
|
||||
if c.FollowerHook != "" {
|
||||
if !filepath.IsAbs(c.FollowerHook) {
|
||||
return errors.New("followerHook path must be absolute")
|
||||
}
|
||||
}
|
||||
raft := c.Cluster.Raft
|
||||
if raft != nil {
|
||||
if raft.LogLevel == "" {
|
||||
raft.LogLevel = RaftLogLevel
|
||||
}
|
||||
if raft.Dir == "" {
|
||||
raft.Dir = RaftDir
|
||||
}
|
||||
if raft.Level == "" {
|
||||
raft.Level = "off"
|
||||
}
|
||||
if raft.ID == "" {
|
||||
return errors.New("missing raft.id config")
|
||||
}
|
||||
|
|
@ -63,7 +79,29 @@ func Validate(c *Config) error {
|
|||
}
|
||||
etcd := c.Cluster.Etcd
|
||||
if etcd != nil {
|
||||
|
||||
if etcd.LogLevel == "" {
|
||||
etcd.LogLevel = EtcdLogLevel
|
||||
}
|
||||
if len(etcd.Endpoints) == 0 {
|
||||
return errors.New("missing etcd.endpoints config")
|
||||
}
|
||||
if etcd.Prefix == "" {
|
||||
etcd.Prefix = EtcdPrefix
|
||||
} else {
|
||||
if !strings.HasPrefix(etcd.Prefix, "/") {
|
||||
etcd.Prefix = "/" + etcd.Prefix
|
||||
}
|
||||
if strings.HasSuffix(etcd.Prefix, "/") {
|
||||
etcd.Prefix = strings.TrimSuffix(etcd.Prefix, "/")
|
||||
}
|
||||
}
|
||||
if etcd.ClusterName == "" {
|
||||
return errors.New("missing etcd.clusterName config")
|
||||
} else {
|
||||
if strings.HasSuffix(etcd.ClusterName, "/") {
|
||||
etcd.ClusterName = strings.TrimSuffix(etcd.ClusterName, "/")
|
||||
}
|
||||
}
|
||||
}
|
||||
if raft == nil && etcd == nil {
|
||||
return errors.New("missing cluster config: raft or etcd")
|
||||
|
|
@ -76,15 +114,10 @@ func Validate(c *Config) error {
|
|||
|
||||
type Config struct {
|
||||
VirtualIPs []string `yaml:"virtualIPs"`
|
||||
|
||||
Interface string `yaml:"interface,omitempty"`
|
||||
|
||||
IPLabel string `yaml:"label,omitempty"`
|
||||
|
||||
Label string `yaml:"label,omitempty"`
|
||||
LeaderHook string `yaml:"leaderHook,omitempty"`
|
||||
|
||||
FollowerHook string `yaml:"followerHook,omitempty"`
|
||||
|
||||
Cluster Cluster `yaml:"cluster"`
|
||||
}
|
||||
|
||||
|
|
@ -97,14 +130,14 @@ type Raft struct {
|
|||
Dir string `yaml:"dir,omitempty"`
|
||||
ID string `yaml:"id"`
|
||||
Address string `yaml:"address"`
|
||||
Level string `yaml:"level"`
|
||||
Peers []RaftPeer `yaml:"peers"`
|
||||
TLS *TLS `yaml:"tls,omitempty"`
|
||||
LogLevel string `yaml:"logLevel,omitempty"`
|
||||
}
|
||||
|
||||
type TLS struct {
|
||||
Cert string `yaml:"cert"`
|
||||
Key string `yaml:"key"`
|
||||
Cert string `yaml:"cert,omitempty"`
|
||||
Key string `yaml:"key,omitempty"`
|
||||
CA string `yaml:"ca,omitempty"`
|
||||
Insecure bool `yaml:"insecure,omitempty"`
|
||||
}
|
||||
|
|
@ -119,4 +152,8 @@ type Etcd struct {
|
|||
Endpoints []string `yaml:"endpoints"`
|
||||
Prefix string `yaml:"prefix"`
|
||||
ClusterName string `yaml:"clusterName"`
|
||||
Username string `yaml:"username,omitempty"`
|
||||
Password string `yaml:"password,omitempty"`
|
||||
TLS *TLS `yaml:"tls,omitempty"`
|
||||
LogLevel string `yaml:"logLevel,omitempty"`
|
||||
}
|
||||
|
|
|
|||
88
pkg/controller/vip.go
Normal file
88
pkg/controller/vip.go
Normal file
|
|
@ -0,0 +1,88 @@
|
|||
package controller
|
||||
|
||||
import (
|
||||
"context"
|
||||
"os/exec"
|
||||
"time"
|
||||
|
||||
"git.giftfish.de/ston1th/vipman/pkg/cluster"
|
||||
"git.giftfish.de/ston1th/vipman/pkg/config"
|
||||
"git.giftfish.de/ston1th/vipman/pkg/vip"
|
||||
"github.com/go-logr/logr"
|
||||
)
|
||||
|
||||
func NewVIPController(cfg *config.Config) (callbacks cluster.Callbacks, err error) {
|
||||
n, err := vip.NewNetworkWithLabel(cfg.Interface, cfg.Label)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
callbacks = cluster.Callbacks{
|
||||
Leader: func(ctx context.Context, cc cluster.CallbackContext) {
|
||||
t := time.NewTicker(time.Second * 10)
|
||||
if cfg.LeaderHook != "" {
|
||||
go func() {
|
||||
err := exec.CommandContext(ctx, cfg.LeaderHook).Run()
|
||||
if err != nil {
|
||||
cc.Error(err, "error running hook", "leaderHook", cfg.LeaderHook)
|
||||
}
|
||||
}()
|
||||
}
|
||||
for {
|
||||
cc.Info("leading", "id", cc.ID())
|
||||
addIPs(cc, n, cfg.VirtualIPs)
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
t.Stop()
|
||||
deleteIPs(cc, n, cfg.VirtualIPs)
|
||||
cc.Info("leading canceled", "id", cc.ID())
|
||||
return
|
||||
case <-t.C:
|
||||
}
|
||||
}
|
||||
},
|
||||
Follower: func(ctx context.Context, cc cluster.CallbackContext) {
|
||||
t := time.NewTicker(time.Second * 10)
|
||||
if cfg.FollowerHook != "" {
|
||||
go func() {
|
||||
err := exec.CommandContext(ctx, cfg.FollowerHook).Run()
|
||||
if err != nil {
|
||||
cc.Error(err, "error running hook", "followerHook", cfg.FollowerHook)
|
||||
}
|
||||
}()
|
||||
}
|
||||
for {
|
||||
cc.Info("following", "id", cc.ID())
|
||||
//TODO
|
||||
//deleteIPs(cc, n, cfg.VirtualIPs)
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
t.Stop()
|
||||
cc.Info("following canceled", "id", cc.ID())
|
||||
return
|
||||
case <-t.C:
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func addIPs(log logr.Logger, n *vip.Network, cidrs []string) error {
|
||||
for _, cidr := range cidrs {
|
||||
err := n.AddIP(cidr)
|
||||
if err != nil {
|
||||
log.Error(err, "adding ip", "interface", n.Interface(), "ip", cidr)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func deleteIPs(log logr.Logger, n *vip.Network, cidrs []string) error {
|
||||
for _, cidr := range cidrs {
|
||||
err := n.DeleteIP(cidr)
|
||||
if err != nil {
|
||||
log.Error(err, "deleting ip", "interface", n.Interface(), "ip", cidr)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
55
pkg/etcd/cluster.go
Normal file
55
pkg/etcd/cluster.go
Normal file
|
|
@ -0,0 +1,55 @@
|
|||
package etcd
|
||||
|
||||
import (
|
||||
"errors"
|
||||
|
||||
"git.giftfish.de/ston1th/vipman/pkg/cluster"
|
||||
//"go.etcd.io/etcd/clientv3"
|
||||
"github.com/coreos/etcd/clientv3"
|
||||
"github.com/go-logr/logr"
|
||||
)
|
||||
|
||||
type Cluster struct {
|
||||
logr.Logger
|
||||
cluster.KV
|
||||
cli *clientv3.Client
|
||||
|
||||
stepdown chan struct{}
|
||||
stop chan struct{}
|
||||
done chan struct{}
|
||||
callbacks cluster.Callbacks
|
||||
|
||||
id string
|
||||
keyID string
|
||||
session bool
|
||||
cancelSession func()
|
||||
}
|
||||
|
||||
func NewCluster(log logr.Logger) cluster.Cluster {
|
||||
return &Cluster{
|
||||
Logger: log,
|
||||
KV: &kv{},
|
||||
stepdown: make(chan struct{}, 1),
|
||||
stop: make(chan struct{}, 1),
|
||||
done: make(chan struct{}, 1),
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Cluster) SetCallbacks(callbacks cluster.Callbacks) error {
|
||||
c.callbacks = callbacks
|
||||
return c.checkConfig()
|
||||
}
|
||||
|
||||
func (c *Cluster) ID() string {
|
||||
return c.id
|
||||
}
|
||||
|
||||
func (c *Cluster) checkConfig() error {
|
||||
if c.callbacks.Leader == nil {
|
||||
return errors.New("Leader callback is nil")
|
||||
}
|
||||
if c.callbacks.Follower == nil {
|
||||
return errors.New("Follower callback is nil")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
217
pkg/etcd/etcd.go
Normal file
217
pkg/etcd/etcd.go
Normal file
|
|
@ -0,0 +1,217 @@
|
|||
package etcd
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"git.giftfish.de/ston1th/vipman/pkg/config"
|
||||
"git.giftfish.de/ston1th/vipman/pkg/util"
|
||||
"github.com/coreos/etcd/clientv3"
|
||||
"go.uber.org/zap"
|
||||
"go.uber.org/zap/zapcore"
|
||||
//"go.etcd.io/etcd/clientv3"
|
||||
"go.etcd.io/etcd/clientv3/concurrency"
|
||||
)
|
||||
|
||||
func (c *Cluster) Start(etcdcfg *config.Config) error {
|
||||
err := c.checkConfig()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
cfg := etcdcfg.Cluster.Etcd
|
||||
var level zapcore.Level
|
||||
err = level.Set(cfg.LogLevel)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
al := zap.NewAtomicLevel()
|
||||
al.SetLevel(level)
|
||||
var tlsConfig *tls.Config
|
||||
if cfg.TLS != nil {
|
||||
ca, err := config.LoadCertPool(cfg.TLS.CA)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
tlsConfig = &tls.Config{
|
||||
MinVersion: tls.VersionTLS12,
|
||||
InsecureSkipVerify: cfg.TLS.Insecure,
|
||||
RootCAs: ca,
|
||||
}
|
||||
}
|
||||
|
||||
c.cli, err = clientv3.New(clientv3.Config{
|
||||
Endpoints: cfg.Endpoints,
|
||||
TLS: tlsConfig,
|
||||
DialTimeout: time.Second * 5,
|
||||
Username: cfg.Username,
|
||||
Password: cfg.Password,
|
||||
LogConfig: &zap.Config{
|
||||
Level: al,
|
||||
Encoding: "console",
|
||||
DisableCaller: true,
|
||||
DisableStacktrace: true,
|
||||
EncoderConfig: zap.NewDevelopmentEncoderConfig(),
|
||||
OutputPaths: []string{"stderr"},
|
||||
ErrorOutputPaths: []string{"stderr"},
|
||||
},
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ctxSsession, cancelSession := context.WithCancel(context.Background())
|
||||
c.cancelSession = cancelSession
|
||||
s, err := concurrency.NewSession(c.cli,
|
||||
concurrency.WithContext(ctxSsession),
|
||||
concurrency.WithTTL(10),
|
||||
)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
c.session = true
|
||||
|
||||
prefix := cfg.Prefix + "/" + cfg.ClusterName
|
||||
c.id = fmt.Sprintf("%x", s.Lease())
|
||||
c.keyID = fmt.Sprintf("%s/%s", prefix, c.id)
|
||||
|
||||
e := concurrency.NewElection(s, prefix)
|
||||
ctxCampaign, cancelCampaign := context.WithCancel(context.Background())
|
||||
go func() {
|
||||
errc := make(chan error, 1)
|
||||
for {
|
||||
go func() {
|
||||
errc <- e.Campaign(ctxCampaign, "leader")
|
||||
}()
|
||||
select {
|
||||
case err := <-errc:
|
||||
if err != nil {
|
||||
time.Sleep(time.Second)
|
||||
}
|
||||
case <-ctxCampaign.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
t := time.NewTicker(time.Second)
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
ctxObserve, cancelObserve := context.WithCancel(context.Background())
|
||||
leading := false
|
||||
following := false
|
||||
leaderChan := c.observe(ctxObserve, e.Observe(ctxObserve))
|
||||
for {
|
||||
if !leading && c.leaderID(e.Leader(ctxObserve)) == c.keyID {
|
||||
leading = true
|
||||
go c.leader(ctx)
|
||||
} else if !following && !leading {
|
||||
following = true
|
||||
go c.follower(ctx)
|
||||
}
|
||||
|
||||
select {
|
||||
case <-t.C:
|
||||
case leader := <-leaderChan:
|
||||
if leader {
|
||||
if following {
|
||||
cancel()
|
||||
following = false
|
||||
ctx, cancel = context.WithCancel(context.Background())
|
||||
}
|
||||
if !leading {
|
||||
leading = true
|
||||
go c.leader(ctx)
|
||||
}
|
||||
} else {
|
||||
if leading {
|
||||
cancel()
|
||||
leading = false
|
||||
ctx, cancel = context.WithCancel(context.Background())
|
||||
}
|
||||
if !following {
|
||||
following = true
|
||||
go c.follower(ctx)
|
||||
}
|
||||
}
|
||||
case <-c.stepdown:
|
||||
cancel()
|
||||
ctx, cancel = context.WithCancel(context.Background())
|
||||
ctxResign, _ := context.WithTimeout(context.Background(), time.Second*2)
|
||||
e.Resign(ctxResign)
|
||||
case <-c.stop:
|
||||
t.Stop()
|
||||
cancelObserve()
|
||||
cancelCampaign()
|
||||
cancel()
|
||||
if leading {
|
||||
ctxResign, _ := context.WithTimeout(context.Background(), time.Second*2)
|
||||
e.Resign(ctxResign)
|
||||
}
|
||||
s.Close()
|
||||
close(c.done)
|
||||
return nil
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Cluster) leaderID(r *clientv3.GetResponse, err error) string {
|
||||
if err != nil {
|
||||
return ""
|
||||
}
|
||||
if len(r.Kvs) == 0 {
|
||||
return ""
|
||||
}
|
||||
return string(r.Kvs[0].Key)
|
||||
}
|
||||
|
||||
func (c *Cluster) observe(ctx context.Context, resp <-chan clientv3.GetResponse) <-chan bool {
|
||||
leader := make(chan bool)
|
||||
go func() {
|
||||
for {
|
||||
select {
|
||||
case r := <-resp:
|
||||
if c.leaderID(&r, nil) == c.keyID {
|
||||
leader <- true
|
||||
} else {
|
||||
leader <- false
|
||||
}
|
||||
case <-ctx.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
return leader
|
||||
}
|
||||
|
||||
func (c *Cluster) Stepdown() {
|
||||
select {
|
||||
case c.stepdown <- struct{}{}:
|
||||
case <-time.After(time.Second * 2):
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Cluster) Stop() {
|
||||
if !c.session {
|
||||
c.cancelSession()
|
||||
return
|
||||
}
|
||||
close(c.stop)
|
||||
<-c.done
|
||||
c.cli.Close()
|
||||
}
|
||||
|
||||
func (c *Cluster) leader(ctx context.Context) {
|
||||
defer func() {
|
||||
util.HandleCrash()
|
||||
}()
|
||||
c.callbacks.Leader(ctx, c)
|
||||
}
|
||||
|
||||
func (c *Cluster) follower(ctx context.Context) {
|
||||
defer func() {
|
||||
util.HandleCrash()
|
||||
}()
|
||||
c.callbacks.Follower(ctx, c)
|
||||
}
|
||||
18
pkg/etcd/kv.go
Normal file
18
pkg/etcd/kv.go
Normal file
|
|
@ -0,0 +1,18 @@
|
|||
package etcd
|
||||
|
||||
//TODO
|
||||
|
||||
type kv struct {
|
||||
}
|
||||
|
||||
func (kv *kv) Get(k string) []byte {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (kv *kv) Set(k string, v []byte) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (kv *kv) Delete(k string) error {
|
||||
return nil
|
||||
}
|
||||
|
|
@ -4,33 +4,53 @@ import (
|
|||
"errors"
|
||||
|
||||
"git.giftfish.de/ston1th/vipman/pkg/cluster"
|
||||
"github.com/go-logr/logr"
|
||||
"github.com/hashicorp/raft"
|
||||
)
|
||||
|
||||
type Cluster struct {
|
||||
kv *KV
|
||||
logr.Logger
|
||||
cluster.KV
|
||||
r *raft.Raft
|
||||
|
||||
kvm *kv
|
||||
stepdown chan struct{}
|
||||
stop chan struct{}
|
||||
done chan struct{}
|
||||
Callbacks cluster.Callbacks
|
||||
callbacks cluster.Callbacks
|
||||
|
||||
id string
|
||||
}
|
||||
|
||||
func NewCluster(callbacks cluster.Callbacks) (cluster.Cluster, error) {
|
||||
if callbacks.Leader == nil {
|
||||
return nil, errors.New("Leader is nil")
|
||||
}
|
||||
if callbacks.Follower == nil {
|
||||
return nil, errors.New("Follower is nil")
|
||||
func NewCluster(log logr.Logger) cluster.Cluster {
|
||||
kvm := &kv{
|
||||
m: make(map[string][]byte),
|
||||
}
|
||||
return &Cluster{
|
||||
kv: &KV{
|
||||
m: make(map[string][]byte),
|
||||
},
|
||||
Logger: log,
|
||||
KV: kvm,
|
||||
kvm: kvm,
|
||||
stepdown: make(chan struct{}, 1),
|
||||
stop: make(chan struct{}, 1),
|
||||
done: make(chan struct{}, 1),
|
||||
Callbacks: callbacks,
|
||||
}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Cluster) ID() string {
|
||||
return c.id
|
||||
}
|
||||
|
||||
func (c *Cluster) SetCallbacks(callbacks cluster.Callbacks) error {
|
||||
c.callbacks = callbacks
|
||||
return c.checkConfig()
|
||||
}
|
||||
|
||||
func (c *Cluster) checkConfig() error {
|
||||
if c.callbacks.Leader == nil {
|
||||
return errors.New("Leader callback is nil")
|
||||
}
|
||||
if c.callbacks.Follower == nil {
|
||||
return errors.New("Follower callback is nil")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -27,7 +27,7 @@ type raftCmd struct {
|
|||
V []byte
|
||||
}
|
||||
|
||||
type fsm KV
|
||||
type fsm kv
|
||||
|
||||
func (f *fsm) Apply(l *raft.Log) interface{} {
|
||||
var c raftCmd
|
||||
|
|
@ -49,7 +49,7 @@ func (f *fsm) Apply(l *raft.Log) interface{} {
|
|||
func (f *fsm) Snapshot() (raft.FSMSnapshot, error) {
|
||||
f.mu.Lock()
|
||||
defer f.mu.Unlock()
|
||||
m := make(kv)
|
||||
m := make(kvm)
|
||||
for k, v := range f.m {
|
||||
m[k] = v
|
||||
}
|
||||
|
|
@ -57,7 +57,7 @@ func (f *fsm) Snapshot() (raft.FSMSnapshot, error) {
|
|||
}
|
||||
|
||||
func (f *fsm) Restore(rc io.ReadCloser) error {
|
||||
o := make(kv)
|
||||
o := make(kvm)
|
||||
if err := msgpack.NewDecoder(rc).Decode(&o); err != nil {
|
||||
return err
|
||||
}
|
||||
|
|
@ -78,7 +78,7 @@ func (f *fsm) applyDelete(k string) {
|
|||
}
|
||||
|
||||
type fsmSnapshot struct {
|
||||
m kv
|
||||
m kvm
|
||||
}
|
||||
|
||||
func (f *fsmSnapshot) Persist(sink raft.SnapshotSink) error {
|
||||
|
|
|
|||
|
|
@ -10,21 +10,21 @@ import (
|
|||
|
||||
var ErrNotLeader = errors.New("not leader")
|
||||
|
||||
type kv map[string][]byte
|
||||
type kvm map[string][]byte
|
||||
|
||||
type KV struct {
|
||||
type kv struct {
|
||||
mu sync.Mutex
|
||||
m kv
|
||||
m kvm
|
||||
r *raft.Raft
|
||||
}
|
||||
|
||||
func (kv *KV) Get(k string) []byte {
|
||||
func (kv *kv) Get(k string) []byte {
|
||||
kv.mu.Lock()
|
||||
defer kv.mu.Unlock()
|
||||
return kv.m[k]
|
||||
}
|
||||
|
||||
func (kv *KV) Set(k string, v []byte) error {
|
||||
func (kv *kv) Set(k string, v []byte) error {
|
||||
if kv.r.State() != raft.Leader {
|
||||
return ErrNotLeader
|
||||
}
|
||||
|
|
@ -40,7 +40,7 @@ func (kv *KV) Set(k string, v []byte) error {
|
|||
}
|
||||
|
||||
// Delete deletes the given key.
|
||||
func (kv *KV) Delete(k string) error {
|
||||
func (kv *kv) Delete(k string) error {
|
||||
if kv.r.State() != raft.Leader {
|
||||
return ErrNotLeader
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,32 +4,27 @@ import (
|
|||
"context"
|
||||
"fmt"
|
||||
"net"
|
||||
"net/http"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"runtime"
|
||||
"time"
|
||||
|
||||
"git.giftfish.de/ston1th/raftbbolt"
|
||||
"git.giftfish.de/ston1th/vipman/pkg/config"
|
||||
"git.giftfish.de/ston1th/vipman/pkg/raft/tls"
|
||||
"github.com/go-logr/logr"
|
||||
"git.giftfish.de/ston1th/vipman/pkg/util"
|
||||
hclog "github.com/hashicorp/go-hclog"
|
||||
"github.com/hashicorp/raft"
|
||||
"k8s.io/klog/v2"
|
||||
)
|
||||
|
||||
type raftLog string
|
||||
|
||||
func (r *raftLog) Write(p []byte) (n int, err error) {
|
||||
return os.Stdout.Write(append([]byte(*r), p...))
|
||||
}
|
||||
|
||||
func (c *Cluster) Start(log logr.Logger, raftcfg *config.Config) error {
|
||||
func (c *Cluster) Start(raftcfg *config.Config) error {
|
||||
err := c.checkConfig()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
cfg := raftcfg.Cluster.Raft
|
||||
hcl := hclog.New(&hclog.LoggerOptions{
|
||||
Name: "raft",
|
||||
Level: hclog.LevelFromString(cfg.Level),
|
||||
Level: hclog.LevelFromString(cfg.LogLevel),
|
||||
Output: hclog.DefaultOutput,
|
||||
TimeFormat: "I0102 15:04:05.000000",
|
||||
})
|
||||
|
|
@ -38,19 +33,20 @@ func (c *Cluster) Start(log logr.Logger, raftcfg *config.Config) error {
|
|||
rc.ProtocolVersion = 3
|
||||
rc.LocalID = raft.ServerID(cfg.ID)
|
||||
rc.Logger = hcl
|
||||
c.id = cfg.ID
|
||||
|
||||
pool := 3
|
||||
timeout := 10 * time.Second
|
||||
var transport *raft.NetworkTransport
|
||||
if cfg.TLS != nil {
|
||||
log.Info("transport: tls")
|
||||
c.V(1).Info("setup", "transport", "tls")
|
||||
s, err := tls.NewStream(cfg)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
transport = raft.NewNetworkTransportWithLogger(s, pool, timeout, hcl)
|
||||
} else {
|
||||
log.Info("transport: tcp")
|
||||
c.V(1).Info("setup", "transport", "tcp")
|
||||
address, err := net.ResolveTCPAddr("tcp", cfg.Address)
|
||||
if err != nil {
|
||||
return err
|
||||
|
|
@ -104,16 +100,13 @@ func (c *Cluster) Start(log logr.Logger, raftcfg *config.Config) error {
|
|||
}
|
||||
}
|
||||
|
||||
// Create RAFT instance
|
||||
c.r, err = raft.NewRaft(rc, (*fsm)(c.kv), logStore, stableStore, snapshots, transport)
|
||||
c.r, err = raft.NewRaft(rc, (*fsm)(c.kvm), logStore, stableStore, snapshots, transport)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
c.kv.r = c.r
|
||||
c.kvm.r = c.r
|
||||
|
||||
t := time.NewTicker(time.Second)
|
||||
time.Sleep(time.Second * 3)
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
defer cancel()
|
||||
leading := false
|
||||
|
|
@ -128,6 +121,7 @@ func (c *Cluster) Start(log logr.Logger, raftcfg *config.Config) error {
|
|||
}
|
||||
|
||||
select {
|
||||
case <-t.C:
|
||||
case leader := <-c.r.LeaderCh():
|
||||
if leader {
|
||||
if following {
|
||||
|
|
@ -163,7 +157,6 @@ func (c *Cluster) Start(log logr.Logger, raftcfg *config.Config) error {
|
|||
}
|
||||
close(c.done)
|
||||
return nil
|
||||
case <-t.C:
|
||||
}
|
||||
}
|
||||
return nil
|
||||
|
|
@ -171,49 +164,16 @@ func (c *Cluster) Start(log logr.Logger, raftcfg *config.Config) error {
|
|||
|
||||
func (c *Cluster) leader(ctx context.Context) {
|
||||
defer func() {
|
||||
handleCrash()
|
||||
util.HandleCrash()
|
||||
}()
|
||||
c.Callbacks.Leader(ctx, c.kv)
|
||||
c.callbacks.Leader(ctx, c)
|
||||
}
|
||||
|
||||
func (c *Cluster) follower(ctx context.Context) {
|
||||
defer func() {
|
||||
handleCrash()
|
||||
util.HandleCrash()
|
||||
}()
|
||||
c.Callbacks.Follower(ctx, c.kv)
|
||||
}
|
||||
|
||||
var reallyCrash = false
|
||||
|
||||
func handleCrash() {
|
||||
if r := recover(); r != nil {
|
||||
logPanic(r)
|
||||
if reallyCrash {
|
||||
panic(r)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// logPanic logs the caller tree when a panic occurs (except in the special case of http.ErrAbortHandler).
|
||||
func logPanic(r interface{}) {
|
||||
if r == http.ErrAbortHandler {
|
||||
// honor the http.ErrAbortHandler sentinel panic value:
|
||||
// ErrAbortHandler is a sentinel panic value to abort a handler.
|
||||
// While any panic from ServeHTTP aborts the response to the client,
|
||||
// panicking with ErrAbortHandler also suppresses logging of a stack trace to the server's error log.
|
||||
return
|
||||
}
|
||||
|
||||
// Same as stdlib http server code. Manually allocate stack trace buffer size
|
||||
// to prevent excessively large logs
|
||||
const size = 64 << 10
|
||||
stacktrace := make([]byte, size)
|
||||
stacktrace = stacktrace[:runtime.Stack(stacktrace, false)]
|
||||
if _, ok := r.(string); ok {
|
||||
klog.Errorf("Observed a panic: %s\n%s", r, stacktrace)
|
||||
} else {
|
||||
klog.Errorf("Observed a panic: %#v (%v)\n%s", r, r, stacktrace)
|
||||
}
|
||||
c.callbacks.Follower(ctx, c)
|
||||
}
|
||||
|
||||
func (c *Cluster) Stepdown() {
|
||||
|
|
|
|||
|
|
@ -3,7 +3,6 @@ package tls
|
|||
import (
|
||||
"crypto/tls"
|
||||
"crypto/x509"
|
||||
"io/ioutil"
|
||||
"net"
|
||||
"time"
|
||||
|
||||
|
|
@ -20,19 +19,6 @@ var (
|
|||
}
|
||||
)
|
||||
|
||||
func loadCertPool(file string) (p *x509.CertPool, err error) {
|
||||
if file == "" {
|
||||
return
|
||||
}
|
||||
buf, err := ioutil.ReadFile(file)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
p = x509.NewCertPool()
|
||||
p.AppendCertsFromPEM(buf)
|
||||
return
|
||||
}
|
||||
|
||||
type stream struct {
|
||||
net.Listener
|
||||
insecure bool
|
||||
|
|
@ -44,7 +30,7 @@ func NewStream(cfg *config.Raft) (s *stream, err error) {
|
|||
if err != nil {
|
||||
return
|
||||
}
|
||||
ca, err := loadCertPool(cfg.TLS.CA)
|
||||
ca, err := config.LoadCertPool(cfg.TLS.CA)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
|
|
|||
41
pkg/util/crash.go
Normal file
41
pkg/util/crash.go
Normal file
|
|
@ -0,0 +1,41 @@
|
|||
package util
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
"runtime"
|
||||
|
||||
"k8s.io/klog/v2"
|
||||
)
|
||||
|
||||
var reallyCrash = true
|
||||
|
||||
func HandleCrash() {
|
||||
if r := recover(); r != nil {
|
||||
logPanic(r)
|
||||
if reallyCrash {
|
||||
panic(r)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// logPanic logs the caller tree when a panic occurs (except in the special case of http.ErrAbortHandler).
|
||||
func logPanic(r interface{}) {
|
||||
if r == http.ErrAbortHandler {
|
||||
// honor the http.ErrAbortHandler sentinel panic value:
|
||||
// ErrAbortHandler is a sentinel panic value to abort a handler.
|
||||
// While any panic from ServeHTTP aborts the response to the client,
|
||||
// panicking with ErrAbortHandler also suppresses logging of a stack trace to the server's error log.
|
||||
return
|
||||
}
|
||||
|
||||
// Same as stdlib http server code. Manually allocate stack trace buffer size
|
||||
// to prevent excessively large logs
|
||||
const size = 64 << 10
|
||||
stacktrace := make([]byte, size)
|
||||
stacktrace = stacktrace[:runtime.Stack(stacktrace, false)]
|
||||
if _, ok := r.(string); ok {
|
||||
klog.Errorf("Observed a panic: %s\n%s", r, stacktrace)
|
||||
} else {
|
||||
klog.Errorf("Observed a panic: %#v (%v)\n%s", r, r, stacktrace)
|
||||
}
|
||||
}
|
||||
7
run.sh
7
run.sh
|
|
@ -1,7 +0,0 @@
|
|||
#!/bin/sh
|
||||
|
||||
cd data
|
||||
rm -rf node*
|
||||
../vipman -config config1.yaml &
|
||||
../vipman -config config2.yaml &
|
||||
../vipman -config config3.yaml
|
||||
6
run_etcd.sh
Executable file
6
run_etcd.sh
Executable file
|
|
@ -0,0 +1,6 @@
|
|||
#!/bin/sh
|
||||
|
||||
cd data
|
||||
../vipman -config etcd.yaml &
|
||||
../vipman -config etcd.yaml &
|
||||
../vipman -config etcd.yaml
|
||||
7
run_raft.sh
Executable file
7
run_raft.sh
Executable file
|
|
@ -0,0 +1,7 @@
|
|||
#!/bin/sh
|
||||
|
||||
cd data
|
||||
rm -rf node*
|
||||
../vipman -config raft1.yaml &
|
||||
../vipman -config raft2.yaml &
|
||||
../vipman -config raft3.yaml
|
||||
10
vipman.yaml
10
vipman.yaml
|
|
@ -9,7 +9,6 @@ cluster:
|
|||
dir: ""
|
||||
id: ""
|
||||
address: ""
|
||||
level: ""
|
||||
peers:
|
||||
- id: ""
|
||||
address: ""
|
||||
|
|
@ -19,7 +18,8 @@ cluster:
|
|||
cert: ""
|
||||
key: ""
|
||||
ca: ""
|
||||
insecure: true
|
||||
insecure: false
|
||||
logLevel: ""
|
||||
etcd:
|
||||
endpoints:
|
||||
- ""
|
||||
|
|
@ -27,3 +27,9 @@ cluster:
|
|||
- ""
|
||||
prefix: ""
|
||||
clusterName: ""
|
||||
username: ""
|
||||
password: ""
|
||||
tls:
|
||||
ca: ""
|
||||
insecure: false
|
||||
logLevel: ""
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue