func main() {
// Instruct Go to use all CPU cores.
// TODO(spencer): this may be excessive and result in worse
// performance. We should keep an eye on this as we move to
// production workloads.
numCPU := runtime.NumCPU()
runtime.GOMAXPROCS(numCPU)
rand.Seed(util.NewPseudoSeed())
if log.V(1) {
log.Infof("running using %d processor cores", numCPU)
}
if len(os.Args) == 1 {
os.Args = append(os.Args, "help")
}
if err := cli.Run(os.Args[1:]); err != nil {
fmt.Fprintf(os.Stderr, "Failed running command %q: %v\n", os.Args[1:], err)
os.Exit(1)
}
}
func TestGossipPeerings(t *testing.T) {
l := localcluster.Create(*numNodes, stopper)
l.Events = make(chan localcluster.Event, 10)
l.Start()
defer l.Stop()
checkGossip(t, l, 20*time.Second, hasPeers(len(l.Nodes)))
// Restart the first node.
log.Infof("restarting node 0")
if err := l.Nodes[0].Restart(5); err != nil {
t.Fatal(err)
}
checkGossip(t, l, 20*time.Second, hasPeers(len(l.Nodes)))
// Restart another node.
rand.Seed(util.NewPseudoSeed())
pickedNode := rand.Intn(len(l.Nodes)-1) + 1
log.Infof("restarting node %d", pickedNode)
if err := l.Nodes[pickedNode].Restart(5); err != nil {
t.Fatal(err)
}
checkGossip(t, l, 20*time.Second, hasPeers(len(l.Nodes)))
}
func main() {
// Instruct Go to use all CPU cores.
// TODO(spencer): this may be excessive and result in worse
// performance. We should keep an eye on this as we move to
// production workloads.
numCPU := runtime.NumCPU()
runtime.GOMAXPROCS(numCPU)
rand.Seed(util.NewPseudoSeed())
log.V(1).Infof("running using %d processor cores", numCPU)
c := commander.Commander{
Name: "cockroach",
Commands: []*commander.Command{
cli.CmdInit,
cli.CmdGetZone,
cli.CmdLsZones,
cli.CmdRmZone,
cli.CmdSetZone,
cli.CmdStart,
{
UsageLine: "listparams",
Short: "list all available parameters and their default values",
Long: `
List all available parameters and their default values.
Note that parameter parsing stops after the first non-
option after the command name. Hence, the options need
to precede any additional arguments,
cockroach <command> [options] [arguments].`,
Run: func(cmd *commander.Command, args []string) {
flag.CommandLine.PrintDefaults()
},
},
{
UsageLine: "version",
Short: "output version information",
Long: `
Output build version information.
`,
Run: func(cmd *commander.Command, args []string) {
info := util.GetBuildInfo()
w := &tabwriter.Writer{}
w.Init(os.Stdout, 2, 1, 2, ' ', 0)
fmt.Fprintf(w, "Build Vers: %s\n", info.Vers)
fmt.Fprintf(w, "Build Tag: %s\n", info.Tag)
fmt.Fprintf(w, "Build Time: %s\n", info.Time)
fmt.Fprintf(w, "Build Deps:\n\t%s\n",
strings.Replace(strings.Replace(info.Deps, " ", "\n\t", -1), ":", "\t", -1))
w.Flush()
},
},
},
}
cli.InitFlags(cli.Context)
if len(os.Args) == 1 {
os.Args = append(os.Args, "help")
}
if err := c.Run(os.Args[1:]); err != nil {
log.Fatalf("Failed running command %q: %v\n", os.Args[1:], err)
}
}