summaryrefslogtreecommitdiffhomepage
path: root/test/iptables/iptables_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'test/iptables/iptables_test.go')
-rw-r--r--test/iptables/iptables_test.go227
1 files changed, 0 insertions, 227 deletions
diff --git a/test/iptables/iptables_test.go b/test/iptables/iptables_test.go
deleted file mode 100644
index 679a29bef..000000000
--- a/test/iptables/iptables_test.go
+++ /dev/null
@@ -1,227 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package iptables
-
-import (
- "flag"
- "fmt"
- "net"
- "os"
- "path"
- "testing"
- "time"
-
- "gvisor.dev/gvisor/pkg/log"
- "gvisor.dev/gvisor/runsc/dockerutil"
- "gvisor.dev/gvisor/runsc/testutil"
-)
-
-const timeout = 18 * time.Second
-
-var image = flag.String("image", "bazel/test/iptables/runner:runner", "image to run tests in")
-
-type result struct {
- output string
- err error
-}
-
-// singleTest runs a TestCase. Each test follows a pattern:
-// - Create a container.
-// - Get the container's IP.
-// - Send the container our IP.
-// - Start a new goroutine running the local action of the test.
-// - Wait for both the container and local actions to finish.
-//
-// Container output is logged to $TEST_UNDECLARED_OUTPUTS_DIR if it exists, or
-// to stderr.
-func singleTest(test TestCase) error {
- if _, ok := Tests[test.Name()]; !ok {
- return fmt.Errorf("no test found with name %q. Has it been registered?", test.Name())
- }
-
- // Create and start the container.
- cont := dockerutil.MakeDocker("gvisor-iptables")
- defer cont.CleanUp()
- resultChan := make(chan *result)
- go func() {
- output, err := cont.RunFg("--cap-add=NET_ADMIN", *image, "-name", test.Name())
- logContainer(output, err)
- resultChan <- &result{output, err}
- }()
-
- // Get the container IP.
- ip, err := getIP(cont)
- if err != nil {
- return fmt.Errorf("failed to get container IP: %v", err)
- }
-
- // Give the container our IP.
- if err := sendIP(ip); err != nil {
- return fmt.Errorf("failed to send IP to container: %v", err)
- }
-
- // Run our side of the test.
- errChan := make(chan error)
- go func() {
- errChan <- test.LocalAction(ip)
- }()
-
- // Wait for both the container and local tests to finish.
- var res *result
- to := time.After(timeout)
- for localDone := false; res == nil || !localDone; {
- select {
- case res = <-resultChan:
- log.Infof("Container finished.")
- case err, localDone = <-errChan:
- log.Infof("Local finished.")
- if err != nil {
- return fmt.Errorf("local test failed: %v", err)
- }
- case <-to:
- return fmt.Errorf("timed out after %f seconds", timeout.Seconds())
- }
- }
-
- return res.err
-}
-
-func getIP(cont dockerutil.Docker) (net.IP, error) {
- // The container might not have started yet, so retry a few times.
- var ipStr string
- to := time.After(timeout)
- for ipStr == "" {
- ipStr, _ = cont.FindIP()
- select {
- case <-to:
- return net.IP{}, fmt.Errorf("timed out getting IP after %f seconds", timeout.Seconds())
- default:
- time.Sleep(250 * time.Millisecond)
- }
- }
- ip := net.ParseIP(ipStr)
- if ip == nil {
- return net.IP{}, fmt.Errorf("invalid IP: %q", ipStr)
- }
- log.Infof("Container has IP of %s", ipStr)
- return ip, nil
-}
-
-func sendIP(ip net.IP) error {
- contAddr := net.TCPAddr{
- IP: ip,
- Port: IPExchangePort,
- }
- var conn *net.TCPConn
- // The container may not be listening when we first connect, so retry
- // upon error.
- cb := func() error {
- c, err := net.DialTCP("tcp4", nil, &contAddr)
- conn = c
- return err
- }
- if err := testutil.Poll(cb, timeout); err != nil {
- return fmt.Errorf("timed out waiting to send IP, most recent error: %v", err)
- }
- if _, err := conn.Write([]byte{0}); err != nil {
- return fmt.Errorf("error writing to container: %v", err)
- }
- return nil
-}
-
-func logContainer(output string, err error) {
- msg := fmt.Sprintf("Container error: %v\nContainer output:\n%v", err, output)
- if artifactsDir := os.Getenv("TEST_UNDECLARED_OUTPUTS_DIR"); artifactsDir != "" {
- fpath := path.Join(artifactsDir, "container.log")
- if file, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE, 0644); err != nil {
- log.Warningf("Failed to open log file %q: %v", fpath, err)
- } else {
- defer file.Close()
- if _, err := file.Write([]byte(msg)); err == nil {
- return
- }
- log.Warningf("Failed to write to log file %s: %v", fpath, err)
- }
- }
-
- // We couldn't write to the output directory -- just log to stderr.
- log.Infof(msg)
-}
-
-func TestFilterInputDropUDP(t *testing.T) {
- if err := singleTest(FilterInputDropUDP{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterInputDropUDPPort(t *testing.T) {
- if err := singleTest(FilterInputDropUDPPort{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterInputDropDifferentUDPPort(t *testing.T) {
- if err := singleTest(FilterInputDropDifferentUDPPort{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterInputDropAll(t *testing.T) {
- if err := singleTest(FilterInputDropAll{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterInputDropOnlyUDP(t *testing.T) {
- if err := singleTest(FilterInputDropOnlyUDP{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestNATRedirectUDPPort(t *testing.T) {
- if err := singleTest(NATRedirectUDPPort{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestNATDropUDP(t *testing.T) {
- if err := singleTest(NATDropUDP{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterInputDropTCPDestPort(t *testing.T) {
- if err := singleTest(FilterInputDropTCPDestPort{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterInputDropTCPSrcPort(t *testing.T) {
- if err := singleTest(FilterInputDropTCPSrcPort{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterOutputDropTCPDestPort(t *testing.T) {
- if err := singleTest(FilterOutputDropTCPDestPort{}); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestFilterOutputDropTCPSrcPort(t *testing.T) {
- if err := singleTest(FilterOutputDropTCPSrcPort{}); err != nil {
- t.Fatal(err)
- }
-}