83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
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package common
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import (
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"io/ioutil"
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"os"
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"testing"
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)
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func TestDHCPLeaseGuestLookup_impl(t *testing.T) {
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var _ GuestIPFinder = new(DHCPLeaseGuestLookup)
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}
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func TestDHCPLeaseGuestLookup(t *testing.T) {
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tf, err := ioutil.TempFile("", "packer")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if _, err := tf.Write([]byte(testLeaseContents)); err != nil {
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t.Fatalf("err: %s", err)
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}
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tf.Close()
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defer os.Remove(tf.Name())
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driver := new(DriverMock)
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driver.DhcpLeasesPathResult = tf.Name()
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finder := &DHCPLeaseGuestLookup{
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Driver: driver,
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Device: "vmnet8",
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MACAddress: "00:0c:29:59:91:02",
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}
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ip, err := finder.GuestIP()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if !driver.DhcpLeasesPathCalled {
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t.Fatal("should ask for DHCP leases path")
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}
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if driver.DhcpLeasesPathDevice != "vmnet8" {
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t.Fatal("should be vmnet8")
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}
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if ip != "192.168.126.130" {
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t.Fatalf("bad: %#v", ip)
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}
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}
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const testLeaseContents = `
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# All times in this file are in UTC (GMT), not your local timezone. This is
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# not a bug, so please don't ask about it. There is no portable way to
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# store leases in the local timezone, so please don't request this as a
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# feature. If this is inconvenient or confusing to you, we sincerely
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# apologize. Seriously, though - don't ask.
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# The format of this file is documented in the dhcpd.leases(5) manual page.
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lease 192.168.126.129 {
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starts 0 2013/09/15 23:58:51;
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ends 1 2013/09/16 00:28:51;
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hardware ethernet 00:0c:29:59:91:02;
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client-hostname "precise64";
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}
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lease 192.168.126.130 {
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starts 2 2013/09/17 21:39:07;
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ends 2 2013/09/17 22:09:07;
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hardware ethernet 00:0c:29:59:91:02;
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client-hostname "precise64";
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}
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lease 192.168.126.128 {
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starts 0 2013/09/15 20:09:59;
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ends 0 2013/09/15 20:21:58;
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hardware ethernet 00:0c:29:59:91:02;
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client-hostname "precise64";
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}
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lease 192.168.126.127 {
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starts 0 2013/09/15 20:09:59;
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ends 0 2013/09/15 20:21:58;
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hardware ethernet 01:0c:29:59:91:02;
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client-hostname "precise64";
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`
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