forked from boyska/circolog
90 lines
1.7 KiB
Go
90 lines
1.7 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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"os"
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)
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var globalOpts struct {
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ctlSock string
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verbose bool
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}
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type commandFunc func([]string) error
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var cmdMap map[string]commandFunc
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func init() {
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cmdMap = map[string]commandFunc{
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// TODO: implement set and get of config at runtime
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//"set": setCmd,
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//"get": getCmd,
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"pause": pauseCmd,
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"reload": reloadCmd,
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"restart": restartCmd,
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"help": helpCmd,
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}
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}
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//func setCmd(ctlSock string, args []string) error {}
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//func getCmd(ctlSock string, args []string) error {}
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func pauseCmd(args []string) error {
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return nil
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}
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func reloadCmd(args []string) error {
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return nil
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}
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func restartCmd(args []string) error {
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return nil
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}
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func helpCmd(args []string) error {
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usage(os.Stdout)
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os.Exit(0)
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return nil
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}
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func usage(w io.Writer) {
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fmt.Fprintf(w, "USAGE: %s [globalOpts] [SUBCOMMAND] [opts]\n", os.Args[0])
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fmt.Fprintf(w, "\nSUBCOMMANDS:\n\n")
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for command := range cmdMap {
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fmt.Fprintf(w, "\t%s\n", command)
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}
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}
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func parseAndRun(args []string) {
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cmdName := args[0]
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cmdToRun, ok := cmdMap[cmdName]
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if !ok {
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fmt.Fprintf(os.Stderr, "Unknown subcommand: %s\n", cmdName)
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usage(os.Stderr)
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os.Exit(2)
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}
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err := cmdToRun(args)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error:\n%s\n", err)
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os.Exit(1)
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}
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}
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func main() {
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flag.StringVar(&globalOpts.ctlSock, "ctl-socket", "/tmp/circologd-ctl.sock",
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"Path to a unix domain socket for the control server; leave empty to disable")
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flag.BoolVar(&globalOpts.verbose, "verbose", false, "Print more output")
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flag.Parse()
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args := flag.Args()
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if globalOpts.verbose {
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fmt.Fprintf(os.Stdout, "Args: %v", args)
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}
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if len(args) == 0 {
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usage(os.Stderr)
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os.Exit(-1)
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}
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parseAndRun(args)
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}
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