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49 lines
1021 B
Go
49 lines
1021 B
Go
package main
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import (
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"encoding/json"
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"net"
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"os"
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log "github.com/sirupsen/logrus"
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"github.com/devplayer0/docker-net-dhcp/pkg/udhcpc"
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)
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func main() {
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if len(os.Args) != 2 {
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log.Fatalf("Usage: %v <event type>", os.Args[0])
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return
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}
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event := udhcpc.Event{
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Type: os.Args[1],
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}
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switch event.Type {
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case "bound", "renew":
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if v6, ok := os.LookupEnv("ipv6"); ok {
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// Clean up the IP (udhcpc6 emits a _lot_ of zeros)
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_, netV6, err := net.ParseCIDR(v6 + "/128")
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if err != nil {
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log.WithError(err).Warn("Failed to parse IPv6 address")
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}
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event.Data.IP = netV6.String()
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} else {
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event.Data.IP = os.Getenv("ip") + "/" + os.Getenv("mask")
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event.Data.Gateway = os.Getenv("router")
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event.Data.Domain = os.Getenv("domain")
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}
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case "deconfig", "leasefail", "nak":
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default:
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log.Warnf("Ignoring unknown event type `%v`", event.Type)
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return
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}
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if err := json.NewEncoder(os.Stdout).Encode(event); err != nil {
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log.Fatalf("Failed to encode udhcpc event: %w", err)
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return
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}
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}
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