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|
//go:build !windows
// +build !windows
package libnetwork
import (
"os"
"testing"
"github.com/docker/docker/libnetwork/ipamapi"
"github.com/docker/docker/libnetwork/osl"
"github.com/docker/docker/libnetwork/testutils"
)
func TestHostsEntries(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
expectedHostsFile := `127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
192.168.222.2 somehost.example.com somehost
fe90::2 somehost.example.com somehost
`
opts := []NetworkOption{NetworkOptionEnableIPv6(true), NetworkOptionIpam(ipamapi.DefaultIPAM, "",
[]*IpamConf{{PreferredPool: "192.168.222.0/24", Gateway: "192.168.222.1"}},
[]*IpamConf{{PreferredPool: "fe90::/64", Gateway: "fe90::1"}},
nil)}
ctrlr, nws := getTestEnv(t, opts)
hostsFile, err := os.CreateTemp("", "")
if err != nil {
t.Fatal(err)
}
defer os.Remove(hostsFile.Name())
sbx, err := ctrlr.NewSandbox("sandbox1", OptionHostsPath(hostsFile.Name()), OptionHostname("somehost.example.com"))
if err != nil {
t.Fatal(err)
}
ep1, err := nws[0].CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
if err := ep1.Join(sbx, JoinOptionPriority(1)); err != nil {
t.Fatal(err)
}
data, err := os.ReadFile(hostsFile.Name())
if err != nil {
t.Fatal(err)
}
if string(data) != expectedHostsFile {
t.Fatalf("expected the hosts file to read:\n%q\nbut instead got the following:\n%q\n", expectedHostsFile, string(data))
}
if err := sbx.Delete(); err != nil {
t.Fatal(err)
}
if len(ctrlr.sandboxes) != 0 {
t.Fatalf("controller sandboxes is not empty. len = %d", len(ctrlr.sandboxes))
}
osl.GC()
}
|
