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Merge pull request #887 from kradalby/integration-v2-taildrop

This commit is contained in:
Kristoffer Dalby 2022-10-23 16:32:11 +02:00 committed by GitHub
parent ae189c03ac 018b1d68f2
commit 9c30939e3f
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 189 additions and 39 deletions
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143
integration/general_test.go
View File

@ -1,7 +1,11 @@
package integration
import (
"fmt"
"testing"
"time"
"github.com/rs/zerolog/log"
)
func TestPingAllByIP(t *testing.T) {
@ -112,3 +116,142 @@ func TestPingAllByHostname(t *testing.T) {
t.Errorf("failed to tear down scenario: %s", err)
}
}
func TestTaildrop(t *testing.T) {
IntegrationSkip(t)
retry := func(times int, sleepInverval time.Duration, doWork func() error) error {
var err error
for attempts := 0; attempts < times; attempts++ {
err = doWork()
if err == nil {
return nil
}
time.Sleep(sleepInverval)
}
return err
}
scenario, err := NewScenario()
if err != nil {
t.Errorf("failed to create scenario: %s", err)
}
spec := map[string]int{
// Omit 1.16.2 (-1) because it does not have the FQDN field
"taildrop": len(TailscaleVersions) - 1,
}
err = scenario.CreateHeadscaleEnv(spec)
if err != nil {
t.Errorf("failed to create headscale environment: %s", err)
}
allClients, err := scenario.ListTailscaleClients()
if err != nil {
t.Errorf("failed to get clients: %s", err)
}
err = scenario.WaitForTailscaleSync()
if err != nil {
t.Errorf("failed wait for tailscale clients to be in sync: %s", err)
}
// This will essentially fetch and cache all the FQDNs
_, err = scenario.ListTailscaleClientsFQDNs()
if err != nil {
t.Errorf("failed to get FQDNs: %s", err)
}
for _, client := range allClients {
command := []string{"touch", fmt.Sprintf("/tmp/file_from_%s", client.Hostname())}
if _, err := client.Execute(command); err != nil {
t.Errorf("failed to create taildrop file on %s, err: %s", client.Hostname(), err)
}
for _, peer := range allClients {
if client.Hostname() == peer.Hostname() {
continue
}
// It is safe to ignore this error as we handled it when caching it
peerFQDN, _ := peer.FQDN()
t.Run(fmt.Sprintf("%s-%s", client.Hostname(), peer.Hostname()), func(t *testing.T) {
command := []string{
"tailscale", "file", "cp",
fmt.Sprintf("/tmp/file_from_%s", client.Hostname()),
fmt.Sprintf("%s:", peerFQDN),
}
err := retry(10, 1*time.Second, func() error {
t.Logf(
"Sending file from %s to %s\n",
client.Hostname(),
peer.Hostname(),
)
_, err := client.Execute(command)
return err
})
if err != nil {
t.Errorf(
"failed to send taildrop file on %s, err: %s",
client.Hostname(),
err,
)
}
})
}
}
for _, client := range allClients {
command := []string{
"tailscale", "file",
"get",
"/tmp/",
}
if _, err := client.Execute(command); err != nil {
t.Errorf("failed to get taildrop file on %s, err: %s", client.Hostname(), err)
}
for _, peer := range allClients {
if client.Hostname() == peer.Hostname() {
continue
}
t.Run(fmt.Sprintf("%s-%s", client.Hostname(), peer.Hostname()), func(t *testing.T) {
command := []string{
"ls",
fmt.Sprintf("/tmp/file_from_%s", peer.Hostname()),
}
log.Printf(
"Checking file in %s from %s\n",
client.Hostname(),
peer.Hostname(),
)
result, err := client.Execute(command)
if err != nil {
t.Errorf("failed to execute command to ls taildrop: %s", err)
}
log.Printf("Result for %s: %s\n", peer.Hostname(), result)
if fmt.Sprintf("/tmp/file_from_%s\n", peer.Hostname()) != result {
t.Errorf(
"taildrop result is not correct %s, wanted %s",
result,
fmt.Sprintf("/tmp/file_from_%s\n", peer.Hostname()),
)
}
})
}
}
err = scenario.Shutdown()
if err != nil {
t.Errorf("failed to tear down scenario: %s", err)
}
}

1
integration/tailscale.go
View File

@ -10,6 +10,7 @@ type TailscaleClient interface {
Hostname() string
Shutdown() error
Version() string
Execute(command []string) (string, error)
Up(loginServer, authKey string) error
IPs() ([]netip.Addr, error)
FQDN() (string, error)

84
integration/tsic/tsic.go
View File

@ -34,6 +34,10 @@ type TailscaleInContainer struct {
pool *dockertest.Pool
container *dockertest.Resource
network *dockertest.Network
// "cache"
ips []netip.Addr
fqdn string
}
func New(
@ -104,6 +108,33 @@ func (t *TailscaleInContainer) Version() string {
return t.version
}
func (t *TailscaleInContainer) Execute(
command []string,
) (string, error) {
log.Println("command", command)
log.Printf("running command for %s\n", t.hostname)
stdout, stderr, err := dockertestutil.ExecuteCommand(
t.container,
command,
[]string{},
)
if err != nil {
log.Printf("command stderr: %s\n", stderr)
if strings.Contains(stderr, "NeedsLogin") {
return "", errTailscaleNotLoggedIn
}
return "", err
}
if stdout != "" {
log.Printf("command stdout: %s\n", stdout)
}
return stdout, nil
}
func (t *TailscaleInContainer) Up(
loginServer, authKey string,
) error {
@ -118,30 +149,19 @@ func (t *TailscaleInContainer) Up(
t.hostname,
}
log.Println("Join command:", command)
log.Printf("Running join command for %s\n", t.hostname)
stdout, stderr, err := dockertestutil.ExecuteCommand(
t.container,
command,
[]string{},
)
if err != nil {
log.Printf("tailscale join stderr: %s\n", stderr)
return err
if _, err := t.Execute(command); err != nil {
return fmt.Errorf("failed to join tailscale client: %w", err)
}
if stdout != "" {
log.Printf("tailscale join stdout: %s\n", stdout)
}
log.Printf("%s joined\n", t.hostname)
return nil
}
// TODO(kradalby): Make cached/lazy.
func (t *TailscaleInContainer) IPs() ([]netip.Addr, error) {
if t.ips != nil && len(t.ips) != 0 {
return t.ips, nil
}
ips := make([]netip.Addr, 0)
command := []string{
@ -149,19 +169,9 @@ func (t *TailscaleInContainer) IPs() ([]netip.Addr, error) {
"ip",
}
result, stderr, err := dockertestutil.ExecuteCommand(
t.container,
command,
[]string{},
)
result, err := t.Execute(command)
if err != nil {
log.Printf("failed commands stderr: %s\n", stderr)
if strings.Contains(stderr, "NeedsLogin") {
return []netip.Addr{}, errTailscaleNotLoggedIn
}
return []netip.Addr{}, err
return []netip.Addr{}, fmt.Errorf("failed to join tailscale client: %w", err)
}
for _, address := range strings.Split(result, "\n") {
@ -186,11 +196,7 @@ func (t *TailscaleInContainer) Status() (*ipnstate.Status, error) {
"--json",
}
result, _, err := dockertestutil.ExecuteCommand(
t.container,
command,
[]string{},
)
result, err := t.Execute(command)
if err != nil {
return nil, fmt.Errorf("failed to execute tailscale status command: %w", err)
}
@ -205,6 +211,10 @@ func (t *TailscaleInContainer) Status() (*ipnstate.Status, error) {
}
func (t *TailscaleInContainer) FQDN() (string, error) {
if t.fqdn != "" {
return t.fqdn, nil
}
status, err := t.Status()
if err != nil {
return "", fmt.Errorf("failed to get FQDN: %w", err)
@ -239,11 +249,7 @@ func (t *TailscaleInContainer) Ping(hostnameOrIP string) error {
hostnameOrIP,
}
result, _, err := dockertestutil.ExecuteCommand(
t.container,
command,
[]string{},
)
result, err := t.Execute(command)
if err != nil {
log.Printf(
"failed to run ping command from %s to %s, err: %s",