57 lines
1014 B
Go
57 lines
1014 B
Go
/* weaveutil: collection of operations required by weave script */
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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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)
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var commands map[string]func([]string) error
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func init() {
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commands = map[string]func([]string) error{
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"help": help,
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"netcheck": netcheck,
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"docker-tls-args": dockerTLSArgs,
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}
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}
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func main() {
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if len(os.Args) < 2 {
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usage()
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os.Exit(1)
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}
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cmd, found := commands[os.Args[1]]
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if !found {
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usage()
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os.Exit(1)
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}
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if err := cmd(os.Args[2:]); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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func help(args []string) error {
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if len(args) > 0 {
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cmdUsage("help", "")
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}
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usage()
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return nil
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}
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func usage() {
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fmt.Fprintln(os.Stderr, "usage: weaveutil <command> <arg>...")
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fmt.Fprintln(os.Stderr)
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fmt.Fprintln(os.Stderr, "where <command> is one of:")
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fmt.Fprintln(os.Stderr)
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for cmd := range commands {
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fmt.Fprintln(os.Stderr, cmd)
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}
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}
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func cmdUsage(cmd string, usage string) {
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fmt.Fprintf(os.Stderr, "usage: weaveutil %s %s\n", cmd, usage)
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os.Exit(1)
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}
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