c55a4ac779
The io/ioutil package has been deprecated in Go 1.16. This commit replaces the existing io/ioutil functions with their new definitions in io and os packages. Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
//go:build !windows
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// +build !windows
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package libnetwork
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import (
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"os"
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"testing"
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"github.com/docker/docker/libnetwork/ipamapi"
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"github.com/docker/docker/libnetwork/osl"
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"github.com/docker/docker/libnetwork/testutils"
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)
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func TestHostsEntries(t *testing.T) {
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if !testutils.IsRunningInContainer() {
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defer testutils.SetupTestOSContext(t)()
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}
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expectedHostsFile := `127.0.0.1 localhost
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::1 localhost ip6-localhost ip6-loopback
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fe00::0 ip6-localnet
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ff00::0 ip6-mcastprefix
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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192.168.222.2 somehost.example.com somehost
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fe90::2 somehost.example.com somehost
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`
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opts := []NetworkOption{NetworkOptionEnableIPv6(true), NetworkOptionIpam(ipamapi.DefaultIPAM, "",
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[]*IpamConf{{PreferredPool: "192.168.222.0/24", Gateway: "192.168.222.1"}},
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[]*IpamConf{{PreferredPool: "fe90::/64", Gateway: "fe90::1"}},
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nil)}
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c, nws := getTestEnv(t, opts)
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ctrlr := c.(*controller)
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hostsFile, err := os.CreateTemp("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(hostsFile.Name())
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sbx, err := ctrlr.NewSandbox("sandbox1", OptionHostsPath(hostsFile.Name()), OptionHostname("somehost.example.com"))
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if err != nil {
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t.Fatal(err)
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}
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ep1, err := nws[0].CreateEndpoint("ep1")
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if err != nil {
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t.Fatal(err)
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}
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if err := ep1.Join(sbx, JoinOptionPriority(1)); err != nil {
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t.Fatal(err)
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}
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data, err := os.ReadFile(hostsFile.Name())
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if err != nil {
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t.Fatal(err)
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}
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if string(data) != expectedHostsFile {
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t.Fatalf("expected the hosts file to read:\n%q\nbut instead got the following:\n%q\n", expectedHostsFile, string(data))
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}
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if err := sbx.Delete(); err != nil {
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t.Fatal(err)
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}
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if len(ctrlr.sandboxes) != 0 {
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t.Fatalf("controller sandboxes is not empty. len = %d", len(ctrlr.sandboxes))
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}
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osl.GC()
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}
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