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Remove legacy DERP tests

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This commit is contained in:
Juan Font 2023-04-24 10:21:15 +00:00
parent 96f9680afd
commit 1d2b4bca8a
3 changed files with 0 additions and 498 deletions
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35
.github/workflows/test-integration-derp.yml vendored
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@ -1,35 +0,0 @@
name: Integration Test DERP
on: [pull_request]
jobs:
integration-test-derp:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
with:
fetch-depth: 2
- name: Set Swap Space
uses: pierotofy/set-swap-space@master
with:
swap-size-gb: 10
- name: Get changed files
id: changed-files
uses: tj-actions/changed-files@v34
with:
files: |
*.nix
go.*
**/*.go
integration_test/
config-example.yaml
- uses: cachix/install-nix-action@v16
if: steps.changed-files.outputs.any_changed == 'true'
- name: Run Embedded DERP server integration tests
if: steps.changed-files.outputs.any_changed == 'true'
run: nix develop --command -- make test_integration_derp

10
Makefile
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@ -38,16 +38,6 @@ test_integration_cli:
-v /var/run/docker.sock:/var/run/docker.sock golang:1 \
go run gotest.tools/gotestsum@latest -- $(TAGS) -failfast -timeout 30m -count=1 -run IntegrationCLI ./...
test_integration_derp:
docker network rm $$(docker network ls --filter name=headscale --quiet) || true
docker network create headscale-test || true
docker run -t --rm \
--network headscale-test \
-v ~/.cache/hs-integration-go:/go \
-v $$PWD:$$PWD -w $$PWD \
-v /var/run/docker.sock:/var/run/docker.sock golang:1 \
go run gotest.tools/gotestsum@latest -- $(TAGS) -failfast -timeout 30m -count=1 -run IntegrationDERP ./...
test_integration_v2_general:
docker run \
-t --rm \

453
integration_embedded_derp_test.go
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@ -1,453 +0,0 @@
// nolint
package headscale
import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"fmt"
"log"
"net/http"
"os"
"path"
"strings"
"sync"
"testing"
"time"
"github.com/ccding/go-stun/stun"
v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
"github.com/ory/dockertest/v3"
"github.com/ory/dockertest/v3/docker"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
const (
headscaleDerpHostname = "headscale-derp"
userName = "derpuser"
totalContainers = 3
)
type IntegrationDERPTestSuite struct {
suite.Suite
stats *suite.SuiteInformation
pool dockertest.Pool
network dockertest.Network
containerNetworks map[int]dockertest.Network // so we keep the containers isolated
headscale dockertest.Resource
saveLogs bool
tailscales map[string]dockertest.Resource
joinWaitGroup sync.WaitGroup
}
func TestIntegrationDERPTestSuite(t *testing.T) {
if testing.Short() {
t.Skip("skipping integration tests due to short flag")
}
saveLogs, err := GetEnvBool("HEADSCALE_INTEGRATION_SAVE_LOG")
if err != nil {
saveLogs = false
}
s := new(IntegrationDERPTestSuite)
s.tailscales = make(map[string]dockertest.Resource)
s.containerNetworks = make(map[int]dockertest.Network)
s.saveLogs = saveLogs
suite.Run(t, s)
// HandleStats, which allows us to check if we passed and save logs
// is called after TearDown, so we cannot tear down containers before
// we have potentially saved the logs.
if s.saveLogs {
for _, tailscale := range s.tailscales {
if err := s.pool.Purge(&tailscale); err != nil {
log.Printf("Could not purge resource: %s\n", err)
}
}
if !s.stats.Passed() {
err := s.saveLog(&s.headscale, "test_output")
if err != nil {
log.Printf("Could not save log: %s\n", err)
}
}
if err := s.pool.Purge(&s.headscale); err != nil {
log.Printf("Could not purge resource: %s\n", err)
}
for _, network := range s.containerNetworks {
if err := network.Close(); err != nil {
log.Printf("Could not close network: %s\n", err)
}
}
}
}
func (s *IntegrationDERPTestSuite) SetupSuite() {
if ppool, err := dockertest.NewPool(""); err == nil {
s.pool = *ppool
} else {
s.FailNow(fmt.Sprintf("Could not connect to docker: %s", err), "")
}
network, err := GetFirstOrCreateNetwork(&s.pool, headscaleNetwork)
if err != nil {
s.FailNow(fmt.Sprintf("Failed to create or get network: %s", err), "")
}
s.network = network
for i := 0; i < totalContainers; i++ {
if pnetwork, err := s.pool.CreateNetwork(fmt.Sprintf("headscale-derp-%d", i)); err == nil {
s.containerNetworks[i] = *pnetwork
} else {
s.FailNow(fmt.Sprintf("Could not create network: %s", err), "")
}
}
headscaleBuildOptions := &dockertest.BuildOptions{
Dockerfile: "Dockerfile",
ContextDir: ".",
}
currentPath, err := os.Getwd()
if err != nil {
s.FailNow(fmt.Sprintf("Could not determine current path: %s", err), "")
}
headscaleOptions := &dockertest.RunOptions{
Name: headscaleDerpHostname,
Mounts: []string{
fmt.Sprintf(
"%s/integration_test/etc_embedded_derp:/etc/headscale",
currentPath,
),
},
Cmd: []string{"headscale", "serve"},
Networks: []*dockertest.Network{&s.network},
ExposedPorts: []string{"8443/tcp", "3478/udp"},
PortBindings: map[docker.Port][]docker.PortBinding{
"8443/tcp": {{HostPort: "8443"}},
"3478/udp": {{HostPort: "3478"}},
},
}
err = s.pool.RemoveContainerByName(headscaleDerpHostname)
if err != nil {
s.FailNow(
fmt.Sprintf(
"Could not remove existing container before building test: %s",
err,
),
"",
)
}
log.Println("Creating headscale container for DERP integration tests")
if pheadscale, err := s.pool.BuildAndRunWithBuildOptions(headscaleBuildOptions, headscaleOptions, DockerRestartPolicy); err == nil {
s.headscale = *pheadscale
} else {
s.FailNow(fmt.Sprintf("Could not start headscale container: %s", err), "")
}
log.Println("Created headscale container for embedded DERP tests")
log.Println("Creating tailscale containers for embedded DERP tests")
for i := 0; i < totalContainers; i++ {
version := tailscaleVersions[i%len(tailscaleVersions)]
hostname, container := s.tailscaleContainer(
fmt.Sprint(i),
version,
s.containerNetworks[i],
)
s.tailscales[hostname] = *container
}
log.Println("Waiting for headscale to be ready for embedded DERP tests")
hostEndpoint := fmt.Sprintf("%s:%s",
s.headscale.GetIPInNetwork(&s.network),
s.headscale.GetPort("8443/tcp"))
if err := s.pool.Retry(func() error {
url := fmt.Sprintf("https://%s/health", hostEndpoint)
insecureTransport := http.DefaultTransport.(*http.Transport).Clone()
insecureTransport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
client := &http.Client{Transport: insecureTransport}
resp, err := client.Get(url)
if err != nil {
fmt.Printf("headscale for embedded DERP tests is not ready: %s\n", err)
return err
}
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("status code not OK")
}
return nil
}); err != nil {
// TODO(kradalby): If we cannot access headscale, or any other fatal error during
// test setup, we need to abort and tear down. However, testify does not seem to
// support that at the moment:
// https://github.com/stretchr/testify/issues/849
return // fmt.Errorf("Could not connect to headscale: %s", err)
}
log.Println("headscale container is ready for embedded DERP tests")
log.Printf("Creating headscale user: %s\n", userName)
result, _, err := ExecuteCommand(
&s.headscale,
[]string{"headscale", "users", "create", userName},
[]string{},
)
log.Println("headscale create user result: ", result)
assert.Nil(s.T(), err)
log.Printf("Creating pre auth key for %s\n", userName)
preAuthResult, _, err := ExecuteCommand(
&s.headscale,
[]string{
"headscale",
"--user",
userName,
"preauthkeys",
"create",
"--reusable",
"--expiration",
"24h",
"--output",
"json",
},
[]string{"LOG_LEVEL=error"},
)
assert.Nil(s.T(), err)
var preAuthKey v1.PreAuthKey
err = json.Unmarshal([]byte(preAuthResult), &preAuthKey)
assert.Nil(s.T(), err)
assert.True(s.T(), preAuthKey.Reusable)
headscaleEndpoint := fmt.Sprintf(
"https://headscale:%s",
s.headscale.GetPort("8443/tcp"),
)
log.Printf(
"Joining tailscale containers to headscale at %s\n",
headscaleEndpoint,
)
for hostname, tailscale := range s.tailscales {
s.joinWaitGroup.Add(1)
go s.Join(headscaleEndpoint, preAuthKey.Key, hostname, tailscale)
}
s.joinWaitGroup.Wait()
// The nodes need a bit of time to get their updated maps from headscale
// TODO: See if we can have a more deterministic wait here.
time.Sleep(60 * time.Second)
}
func (s *IntegrationDERPTestSuite) Join(
endpoint, key, hostname string,
tailscale dockertest.Resource,
) {
defer s.joinWaitGroup.Done()
command := []string{
"tailscale",
"up",
"-login-server",
endpoint,
"--authkey",
key,
"--hostname",
hostname,
}
log.Println("Join command:", command)
log.Printf("Running join command for %s\n", hostname)
_, _, err := ExecuteCommand(
&tailscale,
command,
[]string{},
)
assert.Nil(s.T(), err)
log.Printf("%s joined\n", hostname)
}
func (s *IntegrationDERPTestSuite) tailscaleContainer(
identifier, version string,
network dockertest.Network,
) (string, *dockertest.Resource) {
tailscaleBuildOptions := getDockerBuildOptions(version)
hostname := fmt.Sprintf(
"tailscale-%s-%s",
strings.Replace(version, ".", "-", -1),
identifier,
)
tailscaleOptions := &dockertest.RunOptions{
Name: hostname,
Networks: []*dockertest.Network{&network},
Cmd: []string{
"tailscaled", "--tun=tsdev",
},
// expose the host IP address, so we can access it from inside the container
ExtraHosts: []string{
"host.docker.internal:host-gateway",
"headscale:host-gateway",
},
}
pts, err := s.pool.BuildAndRunWithBuildOptions(
tailscaleBuildOptions,
tailscaleOptions,
DockerRestartPolicy,
DockerAllowLocalIPv6,
DockerAllowNetworkAdministration,
)
if err != nil {
log.Fatalf("Could not start tailscale container version %s: %s", version, err)
}
log.Printf("Created %s container\n", hostname)
return hostname, pts
}
func (s *IntegrationDERPTestSuite) TearDownSuite() {
if !s.saveLogs {
for _, tailscale := range s.tailscales {
if err := s.pool.Purge(&tailscale); err != nil {
log.Printf("Could not purge resource: %s\n", err)
}
}
if err := s.pool.Purge(&s.headscale); err != nil {
log.Printf("Could not purge resource: %s\n", err)
}
for _, network := range s.containerNetworks {
if err := network.Close(); err != nil {
log.Printf("Could not close network: %s\n", err)
}
}
}
}
func (s *IntegrationDERPTestSuite) HandleStats(
suiteName string,
stats *suite.SuiteInformation,
) {
s.stats = stats
}
func (s *IntegrationDERPTestSuite) saveLog(
resource *dockertest.Resource,
basePath string,
) error {
err := os.MkdirAll(basePath, os.ModePerm)
if err != nil {
return err
}
var stdout bytes.Buffer
var stderr bytes.Buffer
err = s.pool.Client.Logs(
docker.LogsOptions{
Context: context.TODO(),
Container: resource.Container.ID,
OutputStream: &stdout,
ErrorStream: &stderr,
Tail: "all",
RawTerminal: false,
Stdout: true,
Stderr: true,
Follow: false,
Timestamps: false,
},
)
if err != nil {
return err
}
log.Printf("Saving logs for %s to %s\n", resource.Container.Name, basePath)
err = os.WriteFile(
path.Join(basePath, resource.Container.Name+".stdout.log"),
stderr.Bytes(),
0o644,
)
if err != nil {
return err
}
err = os.WriteFile(
path.Join(basePath, resource.Container.Name+".stderr.log"),
stderr.Bytes(),
0o644,
)
if err != nil {
return err
}
return nil
}
func (s *IntegrationDERPTestSuite) TestPingAllPeersByHostname() {
hostnames, err := getDNSNames(&s.headscale)
assert.Nil(s.T(), err)
log.Printf("Hostnames: %#v\n", hostnames)
for hostname, tailscale := range s.tailscales {
for _, peername := range hostnames {
if strings.Contains(peername, hostname) {
continue
}
s.T().Run(fmt.Sprintf("%s-%s", hostname, peername), func(t *testing.T) {
command := []string{
"tailscale", "ping",
"--timeout=10s",
"--c=5",
"--until-direct=false",
peername,
}
log.Printf(
"Pinging using hostname from %s to %s\n",
hostname,
peername,
)
log.Println(command)
result, _, err := ExecuteCommand(
&tailscale,
command,
[]string{},
)
assert.Nil(t, err)
log.Printf("Result for %s: %s\n", hostname, result)
assert.Contains(t, result, "via DERP(headscale)")
})
}
}
}
func (s *IntegrationDERPTestSuite) TestDERPSTUN() {
headscaleSTUNAddr := fmt.Sprintf("%s:%s",
s.headscale.GetIPInNetwork(&s.network),
s.headscale.GetPort("3478/udp"))
client := stun.NewClient()
client.SetVerbose(true)
client.SetVVerbose(true)
client.SetServerAddr(headscaleSTUNAddr)
_, _, err := client.Discover()
assert.Nil(s.T(), err)
}