1d90c6d537
Use iptables --wait (if available) to avoid race conditions with util.iptables failing if it tries to modify the tables at the same time as another process.
642 lines
22 KiB
Go
642 lines
22 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package iptables
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import (
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"strings"
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"testing"
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"k8s.io/kubernetes/pkg/util"
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"k8s.io/kubernetes/pkg/util/exec"
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)
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func getIptablesCommand(protocol Protocol) string {
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if protocol == ProtocolIpv4 {
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return cmdIptables
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}
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if protocol == ProtocolIpv6 {
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return cmdIp6tables
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}
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panic("Unknown protocol")
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}
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func testEnsureChain(t *testing.T, protocol Protocol) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Success.
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func() ([]byte, error) { return []byte{}, nil },
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// Exists.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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// Failure.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 2} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, protocol)
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// Success.
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exists, err := runner.EnsureChain(TableNAT, Chain("FOOBAR"))
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if exists {
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t.Errorf("expected exists = false")
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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cmd := getIptablesCommand(protocol)
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if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll(cmd, "-t", "nat", "-N", "FOOBAR") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
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}
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// Exists.
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exists, err = runner.EnsureChain(TableNAT, Chain("FOOBAR"))
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if !exists {
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t.Errorf("expected exists = true")
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}
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// Failure.
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_, err = runner.EnsureChain(TableNAT, Chain("FOOBAR"))
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if err == nil {
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t.Errorf("expected failure")
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}
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}
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func TestEnsureChainIpv4(t *testing.T) {
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testEnsureChain(t, ProtocolIpv4)
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}
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func TestEnsureChainIpv6(t *testing.T) {
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testEnsureChain(t, ProtocolIpv6)
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}
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func TestFlushChain(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Success.
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func() ([]byte, error) { return []byte{}, nil },
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// Failure.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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// Success.
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err := runner.FlushChain(TableNAT, Chain("FOOBAR"))
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll("iptables", "-t", "nat", "-F", "FOOBAR") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
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}
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// Failure.
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err = runner.FlushChain(TableNAT, Chain("FOOBAR"))
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if err == nil {
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t.Errorf("expected failure")
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}
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}
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func TestDeleteChain(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Success.
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func() ([]byte, error) { return []byte{}, nil },
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// Failure.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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// Success.
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err := runner.DeleteChain(TableNAT, Chain("FOOBAR"))
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll("iptables", "-t", "nat", "-X", "FOOBAR") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
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}
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// Failure.
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err = runner.DeleteChain(TableNAT, Chain("FOOBAR"))
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if err == nil {
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t.Errorf("expected failure")
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}
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}
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func TestEnsureRuleAlreadyExists(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Success.
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func() ([]byte, error) { return []byte{}, nil },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Success of that exec means "done".
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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exists, err := runner.EnsureRule(Append, TableNAT, ChainOutput, "abc", "123")
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if !exists {
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t.Errorf("expected exists = true")
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll("iptables", "-t", "nat", "-C", "OUTPUT", "abc", "123") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
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}
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}
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func TestEnsureRuleNew(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Status 1 on the first call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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// Success on the second call.
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func() ([]byte, error) { return []byte{}, nil },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Failure of that means create it.
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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exists, err := runner.EnsureRule(Append, TableNAT, ChainOutput, "abc", "123")
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if exists {
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t.Errorf("expected exists = false")
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}
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if fcmd.CombinedOutputCalls != 3 {
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t.Errorf("expected 3 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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if !util.NewStringSet(fcmd.CombinedOutputLog[2]...).HasAll("iptables", "-t", "nat", "-A", "OUTPUT", "abc", "123") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[2])
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}
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}
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func TestEnsureRuleErrorChecking(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Status 2 on the first call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 2} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Failure of that means create it.
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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_, err := runner.EnsureRule(Append, TableNAT, ChainOutput, "abc", "123")
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if err == nil {
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t.Errorf("expected failure")
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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}
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func TestEnsureRuleErrorCreating(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Status 1 on the first call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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// Status 1 on the second call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Failure of that means create it.
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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_, err := runner.EnsureRule(Append, TableNAT, ChainOutput, "abc", "123")
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if err == nil {
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t.Errorf("expected failure")
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}
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if fcmd.CombinedOutputCalls != 3 {
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t.Errorf("expected 3 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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}
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func TestDeleteRuleAlreadyExists(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Status 1 on the first call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Failure of that exec means "does not exist".
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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err := runner.DeleteRule(TableNAT, ChainOutput, "abc", "123")
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll("iptables", "-t", "nat", "-C", "OUTPUT", "abc", "123") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
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}
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}
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func TestDeleteRuleNew(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Success on the first call.
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func() ([]byte, error) { return []byte{}, nil },
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// Success on the second call.
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func() ([]byte, error) { return []byte{}, nil },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Success of that means delete it.
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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err := runner.DeleteRule(TableNAT, ChainOutput, "abc", "123")
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if err != nil {
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t.Errorf("expected success, got %v", err)
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}
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if fcmd.CombinedOutputCalls != 3 {
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t.Errorf("expected 3 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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if !util.NewStringSet(fcmd.CombinedOutputLog[2]...).HasAll("iptables", "-t", "nat", "-D", "OUTPUT", "abc", "123") {
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t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[2])
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}
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}
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func TestDeleteRuleErrorChecking(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Status 2 on the first call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 2} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Failure of that means create it.
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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err := runner.DeleteRule(TableNAT, ChainOutput, "abc", "123")
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if err == nil {
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t.Errorf("expected failure")
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}
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if fcmd.CombinedOutputCalls != 2 {
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t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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}
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func TestDeleteRuleErrorCreating(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// iptables version check
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func() ([]byte, error) { return []byte("iptables v1.9.22"), nil },
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// Success on the first call.
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func() ([]byte, error) { return []byte{}, nil },
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// Status 1 on the second call.
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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// iptables version check
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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// The second Command() call is checking the rule. Success of that means delete it.
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec, ProtocolIpv4)
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err := runner.DeleteRule(TableNAT, ChainOutput, "abc", "123")
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if err == nil {
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t.Errorf("expected failure")
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}
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if fcmd.CombinedOutputCalls != 3 {
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t.Errorf("expected 3 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
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}
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}
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func TestGetIptablesHasCheckCommand(t *testing.T) {
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testCases := []struct {
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Version string
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Err bool
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Expected bool
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}{
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{"iptables v1.4.7", false, false},
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{"iptables v1.4.11", false, true},
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{"iptables v1.4.19.1", false, true},
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{"iptables v2.0.0", false, true},
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{"total junk", true, false},
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}
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for _, testCase := range testCases {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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func() ([]byte, error) { return []byte(testCase.Version), nil },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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|
}
|
|
version, err := GetIptablesVersionString(&fexec)
|
|
if (err != nil) != testCase.Err {
|
|
t.Errorf("Expected error: %v, Got error: %v", testCase.Err, err)
|
|
}
|
|
if err == nil {
|
|
check := getIptablesHasCheckCommand(version)
|
|
if testCase.Expected != check {
|
|
t.Errorf("Expected result: %v, Got result: %v", testCase.Expected, check)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCheckRuleWithoutCheckPresent(t *testing.T) {
|
|
iptables_save_output := `# Generated by iptables-save v1.4.7 on Wed Oct 29 14:56:01 2014
|
|
*nat
|
|
:PREROUTING ACCEPT [2136997:197881818]
|
|
:POSTROUTING ACCEPT [4284525:258542680]
|
|
:OUTPUT ACCEPT [5901660:357267963]
|
|
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
|
|
COMMIT
|
|
# Completed on Wed Oct 29 14:56:01 2014`
|
|
|
|
fcmd := exec.FakeCmd{
|
|
CombinedOutputScript: []exec.FakeCombinedOutputAction{
|
|
// Success.
|
|
func() ([]byte, error) { return []byte(iptables_save_output), nil },
|
|
},
|
|
}
|
|
fexec := exec.FakeExec{
|
|
CommandScript: []exec.FakeCommandAction{
|
|
// The first Command() call is checking the rule. Success of that exec means "done".
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
},
|
|
}
|
|
runner := &runner{exec: &fexec}
|
|
exists, err := runner.checkRuleWithoutCheck(TableNAT, ChainPrerouting, "-m", "addrtype", "-j", "DOCKER", "--dst-type", "LOCAL")
|
|
if err != nil {
|
|
t.Errorf("expected success, got %v", err)
|
|
}
|
|
if !exists {
|
|
t.Errorf("expected exists = true")
|
|
}
|
|
if fcmd.CombinedOutputCalls != 1 {
|
|
t.Errorf("expected 1 CombinedOutput() call, got %d", fcmd.CombinedOutputCalls)
|
|
}
|
|
if !util.NewStringSet(fcmd.CombinedOutputLog[0]...).HasAll("iptables-save", "-t", "nat") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[0])
|
|
}
|
|
}
|
|
|
|
func TestCheckRuleWithoutCheckAbsent(t *testing.T) {
|
|
iptables_save_output := `# Generated by iptables-save v1.4.7 on Wed Oct 29 14:56:01 2014
|
|
*nat
|
|
:PREROUTING ACCEPT [2136997:197881818]
|
|
:POSTROUTING ACCEPT [4284525:258542680]
|
|
:OUTPUT ACCEPT [5901660:357267963]
|
|
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
|
|
COMMIT
|
|
# Completed on Wed Oct 29 14:56:01 2014`
|
|
|
|
fcmd := exec.FakeCmd{
|
|
CombinedOutputScript: []exec.FakeCombinedOutputAction{
|
|
// Success.
|
|
func() ([]byte, error) { return []byte(iptables_save_output), nil },
|
|
},
|
|
}
|
|
fexec := exec.FakeExec{
|
|
CommandScript: []exec.FakeCommandAction{
|
|
// The first Command() call is checking the rule. Success of that exec means "done".
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
},
|
|
}
|
|
runner := &runner{exec: &fexec}
|
|
exists, err := runner.checkRuleWithoutCheck(TableNAT, ChainPrerouting, "-m", "addrtype", "-j", "DOCKER")
|
|
if err != nil {
|
|
t.Errorf("expected success, got %v", err)
|
|
}
|
|
if exists {
|
|
t.Errorf("expected exists = false")
|
|
}
|
|
if fcmd.CombinedOutputCalls != 1 {
|
|
t.Errorf("expected 1 CombinedOutput() call, got %d", fcmd.CombinedOutputCalls)
|
|
}
|
|
if !util.NewStringSet(fcmd.CombinedOutputLog[0]...).HasAll("iptables-save", "-t", "nat") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[0])
|
|
}
|
|
}
|
|
|
|
func TestIptablesWaitFlag(t *testing.T) {
|
|
testCases := []struct {
|
|
Version string
|
|
Result string
|
|
}{
|
|
{"0.55.55", ""},
|
|
{"1.0.55", ""},
|
|
{"1.4.19", ""},
|
|
{"1.4.20", "-w"},
|
|
{"1.4.21", "-w"},
|
|
{"1.4.22", "-w2"},
|
|
{"1.5.0", "-w2"},
|
|
{"2.0.0", "-w2"},
|
|
}
|
|
|
|
for _, testCase := range testCases {
|
|
result := getIptablesWaitFlag(testCase.Version)
|
|
if strings.Join(result, "") != testCase.Result {
|
|
t.Errorf("For %s expected %v got %v", testCase.Version, testCase.Result, result)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWaitFlagUnavailable(t *testing.T) {
|
|
fcmd := exec.FakeCmd{
|
|
CombinedOutputScript: []exec.FakeCombinedOutputAction{
|
|
// iptables version check
|
|
func() ([]byte, error) { return []byte("iptables v1.4.19"), nil },
|
|
// Success.
|
|
func() ([]byte, error) { return []byte{}, nil },
|
|
},
|
|
}
|
|
fexec := exec.FakeExec{
|
|
CommandScript: []exec.FakeCommandAction{
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
},
|
|
}
|
|
runner := New(&fexec, ProtocolIpv4)
|
|
err := runner.DeleteChain(TableNAT, Chain("FOOBAR"))
|
|
if err != nil {
|
|
t.Errorf("expected success, got %v", err)
|
|
}
|
|
if fcmd.CombinedOutputCalls != 2 {
|
|
t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
|
|
}
|
|
if util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAny("-w", "-w2") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
|
|
}
|
|
}
|
|
|
|
func TestWaitFlagOld(t *testing.T) {
|
|
fcmd := exec.FakeCmd{
|
|
CombinedOutputScript: []exec.FakeCombinedOutputAction{
|
|
// iptables version check
|
|
func() ([]byte, error) { return []byte("iptables v1.4.20"), nil },
|
|
// Success.
|
|
func() ([]byte, error) { return []byte{}, nil },
|
|
},
|
|
}
|
|
fexec := exec.FakeExec{
|
|
CommandScript: []exec.FakeCommandAction{
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
},
|
|
}
|
|
runner := New(&fexec, ProtocolIpv4)
|
|
err := runner.DeleteChain(TableNAT, Chain("FOOBAR"))
|
|
if err != nil {
|
|
t.Errorf("expected success, got %v", err)
|
|
}
|
|
if fcmd.CombinedOutputCalls != 2 {
|
|
t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
|
|
}
|
|
if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll("iptables", "-w") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
|
|
}
|
|
if util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAny("-w2") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
|
|
}
|
|
}
|
|
|
|
func TestWaitFlagNew(t *testing.T) {
|
|
fcmd := exec.FakeCmd{
|
|
CombinedOutputScript: []exec.FakeCombinedOutputAction{
|
|
// iptables version check
|
|
func() ([]byte, error) { return []byte("iptables v1.4.22"), nil },
|
|
// Success.
|
|
func() ([]byte, error) { return []byte{}, nil },
|
|
},
|
|
}
|
|
fexec := exec.FakeExec{
|
|
CommandScript: []exec.FakeCommandAction{
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
|
|
},
|
|
}
|
|
runner := New(&fexec, ProtocolIpv4)
|
|
err := runner.DeleteChain(TableNAT, Chain("FOOBAR"))
|
|
if err != nil {
|
|
t.Errorf("expected success, got %v", err)
|
|
}
|
|
if fcmd.CombinedOutputCalls != 2 {
|
|
t.Errorf("expected 2 CombinedOutput() calls, got %d", fcmd.CombinedOutputCalls)
|
|
}
|
|
if !util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAll("iptables", "-w2") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
|
|
}
|
|
if util.NewStringSet(fcmd.CombinedOutputLog[1]...).HasAny("-w") {
|
|
t.Errorf("wrong CombinedOutput() log, got %s", fcmd.CombinedOutputLog[1])
|
|
}
|
|
}
|