mirror of
https://github.com/featurebasedb/featurebase.git
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92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
package cmd
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import (
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"fmt"
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"io"
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"os"
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"os/signal"
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"runtime/pprof"
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"time"
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"github.com/spf13/cobra"
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"github.com/pilosa/pilosa/server"
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)
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// Serve is global so that tests can control and verify it.
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var Serve *server.Command
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func NewServeCmd(stdin io.Reader, stdout, stderr io.Writer) *cobra.Command {
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Serve = server.NewCommand()
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Serve.Stdin, Serve.Stdout, Serve.Stderr = stdin, stdout, stderr
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serveCmd := &cobra.Command{
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Use: "server",
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Short: "Run Pilosa.",
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Long: `pilosa server runs Pilosa.
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It will load existing data from the configured
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directory, and start listening client connections
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on the configured port.`,
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RunE: func(cmd *cobra.Command, args []string) error {
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Serve.Server.Handler.Version = Version
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fmt.Fprintf(Serve.Stderr, "Pilosa %s, build time %s\n", Version, BuildTime)
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// Start CPU profiling.
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if Serve.CPUProfile != "" {
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f, err := os.Create(Serve.CPUProfile)
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if err != nil {
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return fmt.Errorf("create cpu profile: %v", err)
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}
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defer f.Close()
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fmt.Fprintln(Serve.Stderr, "Starting cpu profile")
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pprof.StartCPUProfile(f)
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time.AfterFunc(Serve.CPUTime, func() {
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fmt.Fprintln(Serve.Stderr, "Stopping cpu profile")
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pprof.StopCPUProfile()
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f.Close()
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})
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}
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// Execute the program.
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if err := Serve.Run(); err != nil {
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return err
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}
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// First SIGKILL causes server to shut down gracefully.
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c := make(chan os.Signal, 2)
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signal.Notify(c, os.Interrupt)
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select {
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case sig := <-c:
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fmt.Fprintf(Serve.Stderr, "Received %s; gracefully shutting down...\n", sig.String())
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// Second signal causes a hard shutdown.
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go func() { <-c; os.Exit(1) }()
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if err := Serve.Close(); err != nil {
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return err
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}
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case <-Serve.Done:
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fmt.Fprintf(Serve.Stderr, "Server closed externally")
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}
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return nil
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},
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}
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flags := serveCmd.Flags()
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flags.StringVarP(&Serve.ConfigPath, "config", "c", "", "Configuration file to read from.")
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flags.StringVarP(&Serve.Config.DataDir, "data-dir", "d", "~/.pilosa", "Directory to store pilosa data files.")
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flags.StringVarP(&Serve.Config.Host, "bind", "", ":10101", "Default URI on which pilosa should listen.")
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flags.IntVarP(&Serve.Config.Cluster.ReplicaN, "cluster.replicas", "", 1, "Number hosts each piece of data should be stored on.")
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flags.StringSliceVarP(&Serve.Config.Cluster.Nodes, "cluster.hosts", "", []string{}, "Comma separated list of hosts in cluster.")
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flags.DurationVarP((*time.Duration)(&Serve.Config.Cluster.PollingInterval), "cluster.poll-interval", "", time.Minute, "Polling interval for cluster.") // TODO what actually is this?
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flags.StringVarP(&Serve.Config.Plugins.Path, "plugins.path", "", "", "Path to plugin directory.")
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flags.StringVarP(&Serve.CPUProfile, "cpu-profile", "", "", "Where to store CPU profile.")
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flags.DurationVarP(&Serve.CPUTime, "cpu-time", "", 30*time.Second, "CPU profile duration.")
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return serveCmd
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}
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func init() {
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subcommandFns["server"] = NewServeCmd
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}
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