mirror of
https://github.com/juanfont/headscale.git
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558 lines
14 KiB
Go
558 lines
14 KiB
Go
//nolint
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package headscale
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import (
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"bytes"
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"context"
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"crypto/tls"
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"fmt"
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"io"
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"log"
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"net/http"
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"net/url"
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"os"
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"path"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/ory/dockertest/v3"
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"github.com/ory/dockertest/v3/docker"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/suite"
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)
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const (
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oidcHeadscaleHostname = "headscale-oidc"
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oidcMockHostname = "headscale-mock-oidc"
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oidcNamespaceName = "oidcnamespace"
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totalOidcContainers = 3
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)
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type IntegrationOIDCTestSuite struct {
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suite.Suite
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stats *suite.SuiteInformation
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pool dockertest.Pool
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network dockertest.Network
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headscale dockertest.Resource
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mockOidc dockertest.Resource
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saveLogs bool
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tailscales map[string]dockertest.Resource
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joinWaitGroup sync.WaitGroup
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}
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func TestIntegrationOIDCTestSuite(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping integration tests due to short flag")
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}
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saveLogs, err := GetEnvBool("HEADSCALE_INTEGRATION_SAVE_LOG")
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if err != nil {
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saveLogs = false
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}
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s := new(IntegrationOIDCTestSuite)
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s.tailscales = make(map[string]dockertest.Resource)
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s.saveLogs = saveLogs
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suite.Run(t, s)
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// HandleStats, which allows us to check if we passed and save logs
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// is called after TearDown, so we cannot tear down containers before
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// we have potentially saved the logs.
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if s.saveLogs {
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for _, tailscale := range s.tailscales {
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if err := s.pool.Purge(&tailscale); err != nil {
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log.Printf("Could not purge resource: %s\n", err)
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}
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}
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if !s.stats.Passed() {
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err := s.saveLog(&s.headscale, "test_output")
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if err != nil {
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log.Printf("Could not save log: %s\n", err)
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}
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}
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if err := s.pool.Purge(&s.mockOidc); err != nil {
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log.Printf("Could not purge resource: %s\n", err)
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}
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if err := s.pool.Purge(&s.headscale); err != nil {
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t.Logf("Could not purge resource: %s\n", err)
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}
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if err := s.network.Close(); err != nil {
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log.Printf("Could not close network: %s\n", err)
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}
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}
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}
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func (s *IntegrationOIDCTestSuite) SetupSuite() {
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if ppool, err := dockertest.NewPool(""); err == nil {
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s.pool = *ppool
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} else {
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s.FailNow(fmt.Sprintf("Could not connect to docker: %s", err), "")
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}
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network, err := GetFirstOrCreateNetwork(&s.pool, headscaleNetwork)
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if err != nil {
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s.FailNow(fmt.Sprintf("Failed to create or get network: %s", err), "")
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}
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s.network = network
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log.Printf("Network config: %v", s.network.Network.IPAM.Config[0])
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s.Suite.T().Log("Setting up mock OIDC")
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mockOidcOptions := &dockertest.RunOptions{
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Name: oidcMockHostname,
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Cmd: []string{"headscale", "mockoidc"},
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ExposedPorts: []string{"10000/tcp"},
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PortBindings: map[docker.Port][]docker.PortBinding{
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"10000/tcp": {{HostPort: "10000"}},
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},
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Networks: []*dockertest.Network{&s.network},
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Env: []string{
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fmt.Sprintf("MOCKOIDC_ADDR=%s", oidcMockHostname),
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"MOCKOIDC_PORT=10000",
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"MOCKOIDC_CLIENT_ID=superclient",
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"MOCKOIDC_CLIENT_SECRET=supersecret",
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},
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}
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headscaleBuildOptions := &dockertest.BuildOptions{
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Dockerfile: "Dockerfile.debug",
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ContextDir: ".",
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}
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err = s.pool.RemoveContainerByName(oidcMockHostname)
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if err != nil {
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s.FailNow(
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fmt.Sprintf(
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"Could not remove existing container before building test: %s",
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err,
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),
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"",
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)
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}
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if pmockoidc, err := s.pool.BuildAndRunWithBuildOptions(
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headscaleBuildOptions,
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mockOidcOptions,
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DockerRestartPolicy); err == nil {
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s.mockOidc = *pmockoidc
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} else {
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s.FailNow(fmt.Sprintf("Could not start mockOIDC container: %s", err), "")
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}
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s.Suite.T().Logf("Waiting for headscale mock oidc to be ready for tests")
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hostEndpoint := fmt.Sprintf(
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"%s:%s",
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s.mockOidc.GetIPInNetwork(&s.network),
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s.mockOidc.GetPort("10000/tcp"),
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)
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if err := s.pool.Retry(func() error {
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url := fmt.Sprintf("http://%s/oidc/.well-known/openid-configuration", hostEndpoint)
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resp, err := http.Get(url)
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if err != nil {
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log.Printf("headscale mock OIDC tests is not ready: %s\n", err)
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("status code not OK")
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}
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return nil
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}); err != nil {
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// TODO(kradalby): If we cannot access headscale, or any other fatal error during
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// test setup, we need to abort and tear down. However, testify does not seem to
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// support that at the moment:
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// https://github.com/stretchr/testify/issues/849
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return // fmt.Errorf("Could not connect to headscale: %s", err)
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}
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s.Suite.T().Log("headscale-mock-oidc container is ready for embedded OIDC tests")
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oidcCfg := fmt.Sprintf(`
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oidc:
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issuer: http://%s:10000/oidc
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client_id: superclient
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client_secret: supersecret
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strip_email_domain: true`, s.mockOidc.GetIPInNetwork(&s.network))
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currentPath, err := os.Getwd()
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if err != nil {
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s.FailNow(fmt.Sprintf("Could not determine current path: %s", err), "")
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}
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baseConfig, err := os.ReadFile(
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path.Join(currentPath, "integration_test/etc_oidc/base_config.yaml"))
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if err != nil {
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s.FailNow(fmt.Sprintf("Could not read base config: %s", err), "")
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}
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config := string(baseConfig) + oidcCfg
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log.Println(config)
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configPath := path.Join(currentPath, "integration_test/etc_oidc/config.yaml")
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err = os.WriteFile(configPath, []byte(config), 0o644)
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if err != nil {
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s.FailNow(fmt.Sprintf("Could not write config: %s", err), "")
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}
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headscaleOptions := &dockertest.RunOptions{
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Name: oidcHeadscaleHostname,
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Networks: []*dockertest.Network{&s.network},
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Mounts: []string{
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path.Join(currentPath,
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"integration_test/etc_oidc:/etc/headscale",
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),
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},
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Cmd: []string{"headscale", "serve"},
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ExposedPorts: []string{"8443/tcp", "3478/udp"},
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PortBindings: map[docker.Port][]docker.PortBinding{
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"8443/tcp": {{HostPort: "8443"}},
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"3478/udp": {{HostPort: "3478"}},
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},
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}
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err = s.pool.RemoveContainerByName(oidcHeadscaleHostname)
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if err != nil {
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s.FailNow(
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fmt.Sprintf(
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"Could not remove existing container before building test: %s",
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err,
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),
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"",
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)
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}
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s.Suite.T().Logf("Creating headscale container for OIDC integration tests")
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if pheadscale, err := s.pool.BuildAndRunWithBuildOptions(headscaleBuildOptions, headscaleOptions, DockerRestartPolicy); err == nil {
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s.headscale = *pheadscale
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} else {
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s.FailNow(fmt.Sprintf("Could not start headscale container: %s", err), "")
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}
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s.Suite.T().Logf("Created headscale container for embedded OIDC tests")
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s.Suite.T().Logf("Creating tailscale containers for embedded OIDC tests")
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for i := 0; i < totalOidcContainers; i++ {
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version := tailscaleVersions[i%len(tailscaleVersions)]
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hostname, container := s.tailscaleContainer(
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fmt.Sprint(i),
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version,
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)
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s.tailscales[hostname] = *container
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}
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s.Suite.T().Logf("Waiting for headscale to be ready for embedded OIDC tests")
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hostMockEndpoint := fmt.Sprintf(
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"%s:%s",
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s.headscale.GetIPInNetwork(&s.network),
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s.headscale.GetPort("8443/tcp"),
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)
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if err := s.pool.Retry(func() error {
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url := fmt.Sprintf("https://%s/health", hostMockEndpoint)
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insecureTransport := http.DefaultTransport.(*http.Transport).Clone()
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insecureTransport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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client := &http.Client{Transport: insecureTransport}
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resp, err := client.Get(url)
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if err != nil {
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log.Printf("headscale for embedded OIDC tests is not ready: %s\n", err)
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("status code not OK")
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}
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return nil
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}); err != nil {
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// TODO(kradalby): If we cannot access headscale, or any other fatal error during
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// test setup, we need to abort and tear down. However, testify does not seem to
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// support that at the moment:
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// https://github.com/stretchr/testify/issues/849
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return // fmt.Errorf("Could not connect to headscale: %s", err)
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}
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s.Suite.T().Log("headscale container is ready for embedded OIDC tests")
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s.Suite.T().Logf("Creating headscale namespace: %s\n", oidcNamespaceName)
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result, _, err := ExecuteCommand(
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&s.headscale,
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[]string{"headscale", "namespaces", "create", oidcNamespaceName},
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[]string{},
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)
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log.Println("headscale create namespace result: ", result)
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assert.Nil(s.T(), err)
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headscaleEndpoint := fmt.Sprintf(
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"https://headscale:%s",
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s.headscale.GetPort("8443/tcp"),
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)
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log.Printf(
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"Joining tailscale containers to headscale at %s\n",
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headscaleEndpoint,
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)
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for hostname, tailscale := range s.tailscales {
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s.joinWaitGroup.Add(1)
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go s.AuthenticateOIDC(headscaleEndpoint, hostname, tailscale)
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// TODO(juan): Workaround for https://github.com/juanfont/headscale/issues/814
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time.Sleep(1 * time.Second)
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}
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s.joinWaitGroup.Wait()
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// The nodes need a bit of time to get their updated maps from headscale
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// TODO: See if we can have a more deterministic wait here.
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time.Sleep(60 * time.Second)
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}
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func (s *IntegrationOIDCTestSuite) AuthenticateOIDC(
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endpoint, hostname string,
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tailscale dockertest.Resource,
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) {
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defer s.joinWaitGroup.Done()
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loginURL, err := s.joinOIDC(endpoint, hostname, tailscale)
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if err != nil {
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s.FailNow(fmt.Sprintf("Could not join OIDC node: %s", err), "")
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}
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insecureTransport := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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client := &http.Client{Transport: insecureTransport}
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resp, err := client.Get(loginURL.String())
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assert.Nil(s.T(), err)
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log.Printf("auth body, err: %#v, %s", resp, err)
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body, err := io.ReadAll(resp.Body)
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assert.Nil(s.T(), err)
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if err != nil {
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s.FailNow(fmt.Sprintf("Could not read login page: %s", err), "")
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}
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log.Printf("Login page for %s: %s", hostname, string(body))
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}
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func (s *IntegrationOIDCTestSuite) joinOIDC(
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endpoint, hostname string,
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tailscale dockertest.Resource,
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) (*url.URL, error) {
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command := []string{
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"tailscale",
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"up",
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"-login-server",
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endpoint,
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"--hostname",
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hostname,
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}
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log.Println("Join command:", command)
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log.Printf("Running join command for %s\n", hostname)
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_, stderr, _ := ExecuteCommand(
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&tailscale,
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command,
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[]string{},
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)
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// This piece of code just gets the login URL out of the stderr of the tailscale client.
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// See https://github.com/tailscale/tailscale/blob/main/cmd/tailscale/cli/up.go#L584.
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urlStr := strings.ReplaceAll(stderr, "\nTo authenticate, visit:\n\n\t", "")
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urlStr = strings.TrimSpace(urlStr)
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// parse URL
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loginUrl, err := url.Parse(urlStr)
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if err != nil {
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log.Printf("Could not parse login URL: %s", err)
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log.Printf("Original join command result: %s", stderr)
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return nil, err
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}
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return loginUrl, nil
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}
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func (s *IntegrationOIDCTestSuite) tailscaleContainer(
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identifier, version string,
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) (string, *dockertest.Resource) {
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tailscaleBuildOptions := getDockerBuildOptions(version)
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hostname := fmt.Sprintf(
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"tailscale-%s-%s",
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strings.Replace(version, ".", "-", -1),
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identifier,
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)
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tailscaleOptions := &dockertest.RunOptions{
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Name: hostname,
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Networks: []*dockertest.Network{&s.network},
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Cmd: []string{
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"tailscaled", "--tun=tsdev",
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},
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// expose the host IP address, so we can access it from inside the container
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ExtraHosts: []string{
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"host.docker.internal:host-gateway",
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"headscale:host-gateway",
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},
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}
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pts, err := s.pool.BuildAndRunWithBuildOptions(
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tailscaleBuildOptions,
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tailscaleOptions,
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DockerRestartPolicy,
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DockerAllowLocalIPv6,
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DockerAllowNetworkAdministration,
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)
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if err != nil {
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s.FailNow(
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fmt.Sprintf(
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"Could not start tailscale container version %s: %s",
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version,
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err,
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),
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)
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}
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log.Printf("Created %s container\n", hostname)
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return hostname, pts
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}
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func (s *IntegrationOIDCTestSuite) TearDownSuite() {
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if !s.saveLogs {
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for _, tailscale := range s.tailscales {
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if err := s.pool.Purge(&tailscale); err != nil {
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log.Printf("Could not purge resource: %s\n", err)
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}
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}
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if err := s.pool.Purge(&s.headscale); err != nil {
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log.Printf("Could not purge resource: %s\n", err)
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}
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if err := s.pool.Purge(&s.mockOidc); err != nil {
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log.Printf("Could not purge resource: %s\n", err)
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}
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if err := s.network.Close(); err != nil {
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log.Printf("Could not close network: %s\n", err)
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}
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}
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}
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func (s *IntegrationOIDCTestSuite) HandleStats(
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suiteName string,
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stats *suite.SuiteInformation,
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) {
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s.stats = stats
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}
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func (s *IntegrationOIDCTestSuite) saveLog(
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resource *dockertest.Resource,
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basePath string,
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) error {
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err := os.MkdirAll(basePath, os.ModePerm)
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if err != nil {
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return err
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}
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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err = s.pool.Client.Logs(
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docker.LogsOptions{
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Context: context.TODO(),
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Container: resource.Container.ID,
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OutputStream: &stdout,
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ErrorStream: &stderr,
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Tail: "all",
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RawTerminal: false,
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Stdout: true,
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Stderr: true,
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Follow: false,
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Timestamps: false,
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},
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)
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if err != nil {
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return err
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}
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log.Printf("Saving logs for %s to %s\n", resource.Container.Name, basePath)
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err = os.WriteFile(
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path.Join(basePath, resource.Container.Name+".stdout.log"),
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[]byte(stdout.String()),
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0o644,
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)
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if err != nil {
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return err
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}
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err = os.WriteFile(
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path.Join(basePath, resource.Container.Name+".stderr.log"),
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[]byte(stdout.String()),
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0o644,
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)
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if err != nil {
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return err
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}
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return nil
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}
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|
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func (s *IntegrationOIDCTestSuite) TestPingAllPeersByAddress() {
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for hostname, tailscale := range s.tailscales {
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ips, err := getIPs(s.tailscales)
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assert.Nil(s.T(), err)
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for peername, peerIPs := range ips {
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for i, ip := range peerIPs {
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// We currently cant ping ourselves, so skip that.
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if peername == hostname {
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continue
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}
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s.T().
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Run(fmt.Sprintf("%s-%s-%d", hostname, peername, i), func(t *testing.T) {
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// We are only interested in "direct ping" which means what we
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// might need a couple of more attempts before reaching the node.
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command := []string{
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"tailscale", "ping",
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"--timeout=1s",
|
|
"--c=10",
|
|
"--until-direct=true",
|
|
ip.String(),
|
|
}
|
|
|
|
log.Printf(
|
|
"Pinging from %s to %s (%s)\n",
|
|
hostname,
|
|
peername,
|
|
ip,
|
|
)
|
|
stdout, stderr, err := ExecuteCommand(
|
|
&tailscale,
|
|
command,
|
|
[]string{},
|
|
)
|
|
assert.Nil(t, err)
|
|
log.Printf(
|
|
"result for %s: stdout: %s, stderr: %s\n",
|
|
hostname,
|
|
stdout,
|
|
stderr,
|
|
)
|
|
assert.Contains(t, stdout, "pong")
|
|
})
|
|
}
|
|
}
|
|
}
|
|
}
|