313 lines
8.2 KiB
Go
313 lines
8.2 KiB
Go
package file
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/containous/traefik/safe"
|
|
"github.com/containous/traefik/types"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestProvideSingleFileAndWatch(t *testing.T) {
|
|
tempDir := createTempDir(t, "testfile")
|
|
defer os.RemoveAll(tempDir)
|
|
|
|
expectedNumFrontends := 2
|
|
expectedNumBackends := 2
|
|
expectedNumTLSConf := 2
|
|
|
|
tempFile := createFile(t,
|
|
tempDir, "simple.toml",
|
|
createFrontendConfiguration(expectedNumFrontends),
|
|
createBackendConfiguration(expectedNumBackends),
|
|
createTLS(expectedNumTLSConf))
|
|
|
|
configurationChan, signal := createConfigurationRoutine(t, &expectedNumFrontends, &expectedNumBackends, &expectedNumTLSConf)
|
|
|
|
provide(configurationChan, watch, withFile(tempFile))
|
|
|
|
// Wait for initial message to be tested
|
|
err := waitForSignal(signal, 2*time.Second, "initial config")
|
|
assert.NoError(t, err)
|
|
|
|
// Now test again with single frontend and backend
|
|
expectedNumFrontends = 1
|
|
expectedNumBackends = 1
|
|
expectedNumTLSConf = 1
|
|
|
|
createFile(t,
|
|
tempDir, "simple.toml",
|
|
createFrontendConfiguration(expectedNumFrontends),
|
|
createBackendConfiguration(expectedNumBackends),
|
|
createTLS(expectedNumTLSConf))
|
|
|
|
err = waitForSignal(signal, 2*time.Second, "single frontend, backend, TLS configuration")
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
func TestProvideSingleFileAndNotWatch(t *testing.T) {
|
|
tempDir := createTempDir(t, "testfile")
|
|
defer os.RemoveAll(tempDir)
|
|
|
|
expectedNumFrontends := 2
|
|
expectedNumBackends := 2
|
|
expectedNumTLSConf := 2
|
|
|
|
tempFile := createFile(t,
|
|
tempDir, "simple.toml",
|
|
createFrontendConfiguration(expectedNumFrontends),
|
|
createBackendConfiguration(expectedNumBackends),
|
|
createTLS(expectedNumTLSConf))
|
|
|
|
configurationChan, signal := createConfigurationRoutine(t, &expectedNumFrontends, &expectedNumBackends, &expectedNumTLSConf)
|
|
|
|
provide(configurationChan, withFile(tempFile))
|
|
|
|
// Wait for initial message to be tested
|
|
err := waitForSignal(signal, 2*time.Second, "initial config")
|
|
assert.NoError(t, err)
|
|
|
|
// Now test again with single frontend and backend
|
|
expectedNumFrontends = 1
|
|
expectedNumBackends = 1
|
|
expectedNumTLSConf = 1
|
|
|
|
createFile(t,
|
|
tempDir, "simple.toml",
|
|
createFrontendConfiguration(expectedNumFrontends),
|
|
createBackendConfiguration(expectedNumBackends),
|
|
createTLS(expectedNumTLSConf))
|
|
|
|
// Must fail because we don't watch the changes
|
|
err = waitForSignal(signal, 2*time.Second, "single frontend, backend and TLS configuration")
|
|
assert.Error(t, err)
|
|
}
|
|
|
|
func TestProvideDirectoryAndWatch(t *testing.T) {
|
|
tempDir := createTempDir(t, "testdir")
|
|
defer os.RemoveAll(tempDir)
|
|
|
|
expectedNumFrontends := 2
|
|
expectedNumBackends := 2
|
|
expectedNumTLSConf := 2
|
|
|
|
tempFile1 := createRandomFile(t, tempDir, createFrontendConfiguration(expectedNumFrontends))
|
|
tempFile2 := createRandomFile(t, tempDir, createBackendConfiguration(expectedNumBackends))
|
|
tempFile3 := createRandomFile(t, tempDir, createTLS(expectedNumTLSConf))
|
|
|
|
configurationChan, signal := createConfigurationRoutine(t, &expectedNumFrontends, &expectedNumBackends, &expectedNumTLSConf)
|
|
|
|
provide(configurationChan, watch, withDirectory(tempDir))
|
|
|
|
// Wait for initial config message to be tested
|
|
err := waitForSignal(signal, 2*time.Second, "initial config")
|
|
assert.NoError(t, err)
|
|
|
|
// Now remove the backends file
|
|
expectedNumFrontends = 2
|
|
expectedNumBackends = 0
|
|
expectedNumTLSConf = 2
|
|
os.Remove(tempFile2.Name())
|
|
err = waitForSignal(signal, 2*time.Second, "remove the backends file")
|
|
assert.NoError(t, err)
|
|
|
|
// Now remove the frontends file
|
|
expectedNumFrontends = 0
|
|
expectedNumBackends = 0
|
|
expectedNumTLSConf = 2
|
|
os.Remove(tempFile1.Name())
|
|
err = waitForSignal(signal, 2*time.Second, "remove the frontends file")
|
|
assert.NoError(t, err)
|
|
|
|
// Now remove the TLS configuration file
|
|
expectedNumFrontends = 0
|
|
expectedNumBackends = 0
|
|
expectedNumTLSConf = 0
|
|
os.Remove(tempFile3.Name())
|
|
err = waitForSignal(signal, 2*time.Second, "remove the TLS configuration file")
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
func TestProvideDirectoryAndNotWatch(t *testing.T) {
|
|
tempDir := createTempDir(t, "testdir")
|
|
tempTLSDir := createSubDir(t, tempDir, "tls")
|
|
defer os.RemoveAll(tempDir)
|
|
|
|
expectedNumFrontends := 2
|
|
expectedNumBackends := 2
|
|
expectedNumTLSConf := 2
|
|
|
|
createRandomFile(t, tempDir, createFrontendConfiguration(expectedNumFrontends))
|
|
tempFile2 := createRandomFile(t, tempDir, createBackendConfiguration(expectedNumBackends))
|
|
createRandomFile(t, tempTLSDir, createTLS(expectedNumTLSConf))
|
|
|
|
configurationChan, signal := createConfigurationRoutine(t, &expectedNumFrontends, &expectedNumBackends, &expectedNumTLSConf)
|
|
|
|
provide(configurationChan, withDirectory(tempDir))
|
|
|
|
// Wait for initial config message to be tested
|
|
err := waitForSignal(signal, 2*time.Second, "initial config")
|
|
assert.NoError(t, err)
|
|
|
|
// Now remove the backends file
|
|
expectedNumFrontends = 2
|
|
expectedNumBackends = 0
|
|
expectedNumTLSConf = 2
|
|
os.Remove(tempFile2.Name())
|
|
|
|
// Must fail because we don't watch the changes
|
|
err = waitForSignal(signal, 2*time.Second, "remove the backends file")
|
|
assert.Error(t, err)
|
|
|
|
}
|
|
|
|
func createConfigurationRoutine(t *testing.T, expectedNumFrontends *int, expectedNumBackends *int, expectedNumTLSes *int) (chan types.ConfigMessage, chan interface{}) {
|
|
configurationChan := make(chan types.ConfigMessage)
|
|
signal := make(chan interface{})
|
|
|
|
safe.Go(func() {
|
|
for {
|
|
data := <-configurationChan
|
|
assert.Equal(t, "file", data.ProviderName)
|
|
assert.Len(t, data.Configuration.Frontends, *expectedNumFrontends)
|
|
assert.Len(t, data.Configuration.Backends, *expectedNumBackends)
|
|
assert.Len(t, data.Configuration.TLS, *expectedNumTLSes)
|
|
signal <- nil
|
|
}
|
|
})
|
|
|
|
return configurationChan, signal
|
|
}
|
|
|
|
func waitForSignal(signal chan interface{}, timeout time.Duration, caseName string) error {
|
|
timer := time.NewTimer(timeout)
|
|
defer timer.Stop()
|
|
|
|
select {
|
|
case <-signal:
|
|
|
|
case <-timer.C:
|
|
return fmt.Errorf("Timed out waiting for assertions to be tested: %s", caseName)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func provide(configurationChan chan types.ConfigMessage, builders ...func(p *Provider)) {
|
|
pvd := &Provider{}
|
|
|
|
for _, builder := range builders {
|
|
builder(pvd)
|
|
}
|
|
|
|
pvd.Provide(configurationChan, safe.NewPool(context.Background()), nil)
|
|
}
|
|
|
|
func watch(pvd *Provider) {
|
|
pvd.Watch = true
|
|
}
|
|
|
|
func withDirectory(name string) func(*Provider) {
|
|
return func(pvd *Provider) {
|
|
pvd.Directory = name
|
|
}
|
|
}
|
|
|
|
func withFile(tempFile *os.File) func(*Provider) {
|
|
return func(p *Provider) {
|
|
p.Filename = tempFile.Name()
|
|
}
|
|
}
|
|
|
|
// createRandomFile Helper
|
|
func createRandomFile(t *testing.T, tempDir string, contents ...string) *os.File {
|
|
return createFile(t, tempDir, fmt.Sprintf("temp%d.toml", time.Now().UnixNano()), contents...)
|
|
}
|
|
|
|
// createFile Helper
|
|
func createFile(t *testing.T, tempDir string, name string, contents ...string) *os.File {
|
|
t.Helper()
|
|
fileName := path.Join(tempDir, name)
|
|
|
|
tempFile, err := os.Create(fileName)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, content := range contents {
|
|
_, err := tempFile.WriteString(content)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
err = tempFile.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return tempFile
|
|
}
|
|
|
|
// createTempDir Helper
|
|
func createTempDir(t *testing.T, dir string) string {
|
|
t.Helper()
|
|
d, err := ioutil.TempDir("", dir)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return d
|
|
}
|
|
|
|
// createDir Helper
|
|
func createSubDir(t *testing.T, rootDir, dir string) string {
|
|
t.Helper()
|
|
err := os.Mkdir(rootDir+"/"+dir, 0775)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return rootDir + "/" + dir
|
|
}
|
|
|
|
// createFrontendConfiguration Helper
|
|
func createFrontendConfiguration(n int) string {
|
|
conf := "[frontends]\n"
|
|
for i := 1; i <= n; i++ {
|
|
conf += fmt.Sprintf(` [frontends.frontend%[1]d]
|
|
backend = "backend%[1]d"
|
|
`, i)
|
|
}
|
|
return conf
|
|
}
|
|
|
|
// createBackendConfiguration Helper
|
|
func createBackendConfiguration(n int) string {
|
|
conf := "[backends]\n"
|
|
for i := 1; i <= n; i++ {
|
|
conf += fmt.Sprintf(` [backends.backend%[1]d]
|
|
[backends.backend%[1]d.servers.server1]
|
|
url = "http://172.17.0.%[1]d:80"
|
|
`, i)
|
|
}
|
|
return conf
|
|
}
|
|
|
|
// createTLS Helper
|
|
func createTLS(n int) string {
|
|
var conf string
|
|
for i := 1; i <= n; i++ {
|
|
conf += fmt.Sprintf(`[[TLS]]
|
|
EntryPoints = ["https"]
|
|
[TLS.Certificate]
|
|
CertFile = "integration/fixtures/https/snitest%[1]d.com.cert"
|
|
KeyFile = "integration/fixtures/https/snitest%[1]d.com.key"
|
|
`, i)
|
|
}
|
|
return conf
|
|
}
|