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57 lines
1.3 KiB
57 lines
1.3 KiB
package main
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import (
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"log"
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"github.com/brettlangdon/realm"
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"github.com/codegangsta/cli"
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)
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func main() {
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// Setup our CLI app
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var app *cli.App = cli.NewApp()
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app.Name = "realm"
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app.Version = "0.1.0"
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app.Author = "Brett Langdon"
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app.Email = "me@brett.is"
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "zone, z",
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EnvVar: "REALM_ZONE",
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Usage: "location to DNS zone file [required]",
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},
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cli.StringFlag{
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Name: "bind, b",
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EnvVar: "REALM_BIND",
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Value: ":53",
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Usage: "'[<host>]:<port>' to bind too",
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},
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}
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// This action is called for all commands
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app.Action = func(c *cli.Context) {
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// Ensure that a zone filename was provided
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var filename string = c.String("zone")
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if filename == "" {
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log.Fatal("must supply zone file via \"--zone\" flag or \"REALM_ZONE\" environment variable")
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}
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// Load and parse the zone file
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var zone *realm.Zone
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var err error
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log.Printf("parsing zone file \"%s\"\n", filename)
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zone, err = realm.ParseZone(filename)
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if err != nil {
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log.Fatal(err)
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}
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// Create and start the server
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var bind string = c.String("bind")
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log.Printf("starting the server on \"%s\"\n", bind)
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var server *realm.Server = realm.NewServer(bind, zone)
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log.Fatal(server.ListenAndServe())
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}
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// Parse command arguments and run `app.Action`
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app.RunAndExitOnError()
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}
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