コード例 #1
0
ファイル: validator.go プロジェクト: vestel/bosh-init
func (v *validator) validateGateway(idx int, gateway string, ipNet maybeIPNet) []error {
	if v.isBlank(gateway) {
		return []error{bosherr.Errorf("networks[%d].subnets[0].gateway must be provided", idx)}
	} else {
		errors := []error{}
		ipNet.Try(func(ipNet *net.IPNet) error {
			gatewayIp := net.ParseIP(gateway)
			if gatewayIp == nil {
				errors = append(errors, bosherr.Errorf("networks[%d].subnets[0].gateway must be an ip", idx))
			}

			if !ipNet.Contains(gatewayIp) {
				errors = append(errors, bosherr.Errorf("subnet gateway '%s' must be within the specified range '%s'", gateway, ipNet))
			}

			if ipNet.IP.Equal(gatewayIp) {
				errors = append(errors, bosherr.Errorf("subnet gateway can't be the network address '%s'", gatewayIp))
			}

			if binet.LastAddress(ipNet).Equal(gatewayIp) {
				errors = append(errors, bosherr.Errorf("subnet gateway can't be the broadcast address '%s'", gatewayIp))
			}

			return nil
		})

		return errors
	}
}
コード例 #2
0
ファイル: ip_helper_test.go プロジェクト: mattcui/bosh-init
package net_test

import (
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"net"

	binet "github.com/cloudfoundry/bosh-init/common/net"
)

var _ = Describe("common.net ip helpers", func() {
	Describe("LastAddress", func() {
		It("Returns the last address in the network range", func() {
			Expect(
				binet.LastAddress(netFor("10.0.0.0/24")),
			).To(Equal(net.ParseIP("10.0.0.255")))

			Expect(
				binet.LastAddress(netFor("10.0.0.20/24")),
			).To(Equal(net.ParseIP("10.0.0.255")))

			Expect(
				binet.LastAddress(netFor("10.1.0.0/24")),
			).To(Equal(net.ParseIP("10.1.0.255")))

			Expect(
				binet.LastAddress(netFor("10.10.0.0/8")),
			).To(Equal(net.ParseIP("10.255.255.255")))

			Expect(
				binet.LastAddress(netFor("2001:db8:1234::/48")),