324 lines
10 KiB
Go
324 lines
10 KiB
Go
package kv
|
|
|
|
import (
|
|
"errors"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/docker/docker/pkg/discovery"
|
|
"github.com/docker/libkv"
|
|
"github.com/docker/libkv/store"
|
|
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
// Hook up gocheck into the "go test" runner.
|
|
func Test(t *testing.T) { check.TestingT(t) }
|
|
|
|
type DiscoverySuite struct{}
|
|
|
|
var _ = check.Suite(&DiscoverySuite{})
|
|
|
|
func (ds *DiscoverySuite) TestInitialize(c *check.C) {
|
|
storeMock := &FakeStore{
|
|
Endpoints: []string{"127.0.0.1"},
|
|
}
|
|
d := &Discovery{backend: store.CONSUL}
|
|
d.Initialize("127.0.0.1", 0, 0, nil)
|
|
d.store = storeMock
|
|
|
|
s := d.store.(*FakeStore)
|
|
c.Assert(s.Endpoints, check.HasLen, 1)
|
|
c.Assert(s.Endpoints[0], check.Equals, "127.0.0.1")
|
|
c.Assert(d.path, check.Equals, defaultDiscoveryPath)
|
|
|
|
storeMock = &FakeStore{
|
|
Endpoints: []string{"127.0.0.1:1234"},
|
|
}
|
|
d = &Discovery{backend: store.CONSUL}
|
|
d.Initialize("127.0.0.1:1234/path", 0, 0, nil)
|
|
d.store = storeMock
|
|
|
|
s = d.store.(*FakeStore)
|
|
c.Assert(s.Endpoints, check.HasLen, 1)
|
|
c.Assert(s.Endpoints[0], check.Equals, "127.0.0.1:1234")
|
|
c.Assert(d.path, check.Equals, "path/"+defaultDiscoveryPath)
|
|
|
|
storeMock = &FakeStore{
|
|
Endpoints: []string{"127.0.0.1:1234", "127.0.0.2:1234", "127.0.0.3:1234"},
|
|
}
|
|
d = &Discovery{backend: store.CONSUL}
|
|
d.Initialize("127.0.0.1:1234,127.0.0.2:1234,127.0.0.3:1234/path", 0, 0, nil)
|
|
d.store = storeMock
|
|
|
|
s = d.store.(*FakeStore)
|
|
c.Assert(s.Endpoints, check.HasLen, 3)
|
|
c.Assert(s.Endpoints[0], check.Equals, "127.0.0.1:1234")
|
|
c.Assert(s.Endpoints[1], check.Equals, "127.0.0.2:1234")
|
|
c.Assert(s.Endpoints[2], check.Equals, "127.0.0.3:1234")
|
|
|
|
c.Assert(d.path, check.Equals, "path/"+defaultDiscoveryPath)
|
|
}
|
|
|
|
// Extremely limited mock store so we can test initialization
|
|
type Mock struct {
|
|
// Endpoints passed to InitializeMock
|
|
Endpoints []string
|
|
|
|
// Options passed to InitializeMock
|
|
Options *store.Config
|
|
}
|
|
|
|
func NewMock(endpoints []string, options *store.Config) (store.Store, error) {
|
|
s := &Mock{}
|
|
s.Endpoints = endpoints
|
|
s.Options = options
|
|
return s, nil
|
|
}
|
|
func (s *Mock) Put(key string, value []byte, opts *store.WriteOptions) error {
|
|
return errors.New("Put not supported")
|
|
}
|
|
func (s *Mock) Get(key string) (*store.KVPair, error) {
|
|
return nil, errors.New("Get not supported")
|
|
}
|
|
func (s *Mock) Delete(key string) error {
|
|
return errors.New("Delete not supported")
|
|
}
|
|
|
|
// Exists mock
|
|
func (s *Mock) Exists(key string) (bool, error) {
|
|
return false, errors.New("Exists not supported")
|
|
}
|
|
|
|
// Watch mock
|
|
func (s *Mock) Watch(key string, stopCh <-chan struct{}) (<-chan *store.KVPair, error) {
|
|
return nil, errors.New("Watch not supported")
|
|
}
|
|
|
|
// WatchTree mock
|
|
func (s *Mock) WatchTree(prefix string, stopCh <-chan struct{}) (<-chan []*store.KVPair, error) {
|
|
return nil, errors.New("WatchTree not supported")
|
|
}
|
|
|
|
// NewLock mock
|
|
func (s *Mock) NewLock(key string, options *store.LockOptions) (store.Locker, error) {
|
|
return nil, errors.New("NewLock not supported")
|
|
}
|
|
|
|
// List mock
|
|
func (s *Mock) List(prefix string) ([]*store.KVPair, error) {
|
|
return nil, errors.New("List not supported")
|
|
}
|
|
|
|
// DeleteTree mock
|
|
func (s *Mock) DeleteTree(prefix string) error {
|
|
return errors.New("DeleteTree not supported")
|
|
}
|
|
|
|
// AtomicPut mock
|
|
func (s *Mock) AtomicPut(key string, value []byte, previous *store.KVPair, opts *store.WriteOptions) (bool, *store.KVPair, error) {
|
|
return false, nil, errors.New("AtomicPut not supported")
|
|
}
|
|
|
|
// AtomicDelete mock
|
|
func (s *Mock) AtomicDelete(key string, previous *store.KVPair) (bool, error) {
|
|
return false, errors.New("AtomicDelete not supported")
|
|
}
|
|
|
|
// Close mock
|
|
func (s *Mock) Close() {
|
|
return
|
|
}
|
|
|
|
func (ds *DiscoverySuite) TestInitializeWithCerts(c *check.C) {
|
|
cert := `-----BEGIN CERTIFICATE-----
|
|
MIIDCDCCAfKgAwIBAgIICifG7YeiQOEwCwYJKoZIhvcNAQELMBIxEDAOBgNVBAMT
|
|
B1Rlc3QgQ0EwHhcNMTUxMDAxMjMwMDAwWhcNMjAwOTI5MjMwMDAwWjASMRAwDgYD
|
|
VQQDEwdUZXN0IENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1wRC
|
|
O+flnLTK5ImjTurNRHwSejuqGbc4CAvpB0hS+z0QlSs4+zE9h80aC4hz+6caRpds
|
|
+J908Q+RvAittMHbpc7VjbZP72G6fiXk7yPPl6C10HhRSoSi3nY+B7F2E8cuz14q
|
|
V2e+ejhWhSrBb/keyXpcyjoW1BOAAJ2TIclRRkICSCZrpXUyXxAvzXfpFXo1RhSb
|
|
UywN11pfiCQzDUN7sPww9UzFHuAHZHoyfTr27XnJYVUerVYrCPq8vqfn//01qz55
|
|
Xs0hvzGdlTFXhuabFtQnKFH5SNwo/fcznhB7rePOwHojxOpXTBepUCIJLbtNnWFT
|
|
V44t9gh5IqIWtoBReQIDAQABo2YwZDAOBgNVHQ8BAf8EBAMCAAYwEgYDVR0TAQH/
|
|
BAgwBgEB/wIBAjAdBgNVHQ4EFgQUZKUI8IIjIww7X/6hvwggQK4bD24wHwYDVR0j
|
|
BBgwFoAUZKUI8IIjIww7X/6hvwggQK4bD24wCwYJKoZIhvcNAQELA4IBAQDES2cz
|
|
7sCQfDCxCIWH7X8kpi/JWExzUyQEJ0rBzN1m3/x8ySRxtXyGekimBqQwQdFqlwMI
|
|
xzAQKkh3ue8tNSzRbwqMSyH14N1KrSxYS9e9szJHfUasoTpQGPmDmGIoRJuq1h6M
|
|
ej5x1SCJ7GWCR6xEXKUIE9OftXm9TdFzWa7Ja3OHz/mXteii8VXDuZ5ACq6EE5bY
|
|
8sP4gcICfJ5fTrpTlk9FIqEWWQrCGa5wk95PGEj+GJpNogjXQ97wVoo/Y3p1brEn
|
|
t5zjN9PAq4H1fuCMdNNA+p1DHNwd+ELTxcMAnb2ajwHvV6lKPXutrTFc4umJToBX
|
|
FpTxDmJHEV4bzUzh
|
|
-----END CERTIFICATE-----
|
|
`
|
|
key := `-----BEGIN RSA PRIVATE KEY-----
|
|
MIIEpQIBAAKCAQEA1wRCO+flnLTK5ImjTurNRHwSejuqGbc4CAvpB0hS+z0QlSs4
|
|
+zE9h80aC4hz+6caRpds+J908Q+RvAittMHbpc7VjbZP72G6fiXk7yPPl6C10HhR
|
|
SoSi3nY+B7F2E8cuz14qV2e+ejhWhSrBb/keyXpcyjoW1BOAAJ2TIclRRkICSCZr
|
|
pXUyXxAvzXfpFXo1RhSbUywN11pfiCQzDUN7sPww9UzFHuAHZHoyfTr27XnJYVUe
|
|
rVYrCPq8vqfn//01qz55Xs0hvzGdlTFXhuabFtQnKFH5SNwo/fcznhB7rePOwHoj
|
|
xOpXTBepUCIJLbtNnWFTV44t9gh5IqIWtoBReQIDAQABAoIBAHSWipORGp/uKFXj
|
|
i/mut776x8ofsAxhnLBARQr93ID+i49W8H7EJGkOfaDjTICYC1dbpGrri61qk8sx
|
|
qX7p3v/5NzKwOIfEpirgwVIqSNYe/ncbxnhxkx6tXtUtFKmEx40JskvSpSYAhmmO
|
|
1XSx0E/PWaEN/nLgX/f1eWJIlxlQkk3QeqL+FGbCXI48DEtlJ9+MzMu4pAwZTpj5
|
|
5qtXo5JJ0jRGfJVPAOznRsYqv864AhMdMIWguzk6EGnbaCWwPcfcn+h9a5LMdony
|
|
MDHfBS7bb5tkF3+AfnVY3IBMVx7YlsD9eAyajlgiKu4zLbwTRHjXgShy+4Oussz0
|
|
ugNGnkECgYEA/hi+McrZC8C4gg6XqK8+9joD8tnyDZDz88BQB7CZqABUSwvjDqlP
|
|
L8hcwo/lzvjBNYGkqaFPUICGWKjeCtd8pPS2DCVXxDQX4aHF1vUur0uYNncJiV3N
|
|
XQz4Iemsa6wnKf6M67b5vMXICw7dw0HZCdIHD1hnhdtDz0uVpeevLZ8CgYEA2KCT
|
|
Y43lorjrbCgMqtlefkr3GJA9dey+hTzCiWEOOqn9RqGoEGUday0sKhiLofOgmN2B
|
|
LEukpKIey8s+Q/cb6lReajDVPDsMweX8i7hz3Wa4Ugp4Xa5BpHqu8qIAE2JUZ7bU
|
|
t88aQAYE58pUF+/Lq1QzAQdrjjzQBx6SrBxieecCgYEAvukoPZEC8mmiN1VvbTX+
|
|
QFHmlZha3QaDxChB+QUe7bMRojEUL/fVnzkTOLuVFqSfxevaI/km9n0ac5KtAchV
|
|
xjp2bTnBb5EUQFqjopYktWA+xO07JRJtMfSEmjZPbbay1kKC7rdTfBm961EIHaRj
|
|
xZUf6M+rOE8964oGrdgdLlECgYEA046GQmx6fh7/82FtdZDRQp9tj3SWQUtSiQZc
|
|
qhO59Lq8mjUXz+MgBuJXxkiwXRpzlbaFB0Bca1fUoYw8o915SrDYf/Zu2OKGQ/qa
|
|
V81sgiVmDuEgycR7YOlbX6OsVUHrUlpwhY3hgfMe6UtkMvhBvHF/WhroBEIJm1pV
|
|
PXZ/CbMCgYEApNWVktFBjOaYfY6SNn4iSts1jgsQbbpglg3kT7PLKjCAhI6lNsbk
|
|
dyT7ut01PL6RaW4SeQWtrJIVQaM6vF3pprMKqlc5XihOGAmVqH7rQx9rtQB5TicL
|
|
BFrwkQE4HQtQBV60hYQUzzlSk44VFDz+jxIEtacRHaomDRh2FtOTz+I=
|
|
-----END RSA PRIVATE KEY-----
|
|
`
|
|
certFile, err := ioutil.TempFile("", "cert")
|
|
c.Assert(err, check.IsNil)
|
|
defer os.Remove(certFile.Name())
|
|
certFile.Write([]byte(cert))
|
|
certFile.Close()
|
|
keyFile, err := ioutil.TempFile("", "key")
|
|
c.Assert(err, check.IsNil)
|
|
defer os.Remove(keyFile.Name())
|
|
keyFile.Write([]byte(key))
|
|
keyFile.Close()
|
|
|
|
libkv.AddStore("mock", NewMock)
|
|
d := &Discovery{backend: "mock"}
|
|
err = d.Initialize("127.0.0.3:1234", 0, 0, map[string]string{
|
|
"kv.cacertfile": certFile.Name(),
|
|
"kv.certfile": certFile.Name(),
|
|
"kv.keyfile": keyFile.Name(),
|
|
})
|
|
c.Assert(err, check.IsNil)
|
|
s := d.store.(*Mock)
|
|
c.Assert(s.Options.TLS, check.NotNil)
|
|
c.Assert(s.Options.TLS.RootCAs, check.NotNil)
|
|
c.Assert(s.Options.TLS.Certificates, check.HasLen, 1)
|
|
}
|
|
|
|
func (ds *DiscoverySuite) TestWatch(c *check.C) {
|
|
mockCh := make(chan []*store.KVPair)
|
|
|
|
storeMock := &FakeStore{
|
|
Endpoints: []string{"127.0.0.1:1234"},
|
|
mockKVChan: mockCh,
|
|
}
|
|
|
|
d := &Discovery{backend: store.CONSUL}
|
|
d.Initialize("127.0.0.1:1234/path", 0, 0, nil)
|
|
d.store = storeMock
|
|
|
|
expected := discovery.Entries{
|
|
&discovery.Entry{Host: "1.1.1.1", Port: "1111"},
|
|
&discovery.Entry{Host: "2.2.2.2", Port: "2222"},
|
|
}
|
|
kvs := []*store.KVPair{
|
|
{Key: path.Join("path", defaultDiscoveryPath, "1.1.1.1"), Value: []byte("1.1.1.1:1111")},
|
|
{Key: path.Join("path", defaultDiscoveryPath, "2.2.2.2"), Value: []byte("2.2.2.2:2222")},
|
|
}
|
|
|
|
stopCh := make(chan struct{})
|
|
ch, errCh := d.Watch(stopCh)
|
|
|
|
// It should fire an error since the first WatchTree call failed.
|
|
c.Assert(<-errCh, check.ErrorMatches, "test error")
|
|
// We have to drain the error channel otherwise Watch will get stuck.
|
|
go func() {
|
|
for range errCh {
|
|
}
|
|
}()
|
|
|
|
// Push the entries into the store channel and make sure discovery emits.
|
|
mockCh <- kvs
|
|
c.Assert(<-ch, check.DeepEquals, expected)
|
|
|
|
// Add a new entry.
|
|
expected = append(expected, &discovery.Entry{Host: "3.3.3.3", Port: "3333"})
|
|
kvs = append(kvs, &store.KVPair{Key: path.Join("path", defaultDiscoveryPath, "3.3.3.3"), Value: []byte("3.3.3.3:3333")})
|
|
mockCh <- kvs
|
|
c.Assert(<-ch, check.DeepEquals, expected)
|
|
|
|
close(mockCh)
|
|
// Give it enough time to call WatchTree.
|
|
time.Sleep(3 * time.Second)
|
|
|
|
// Stop and make sure it closes all channels.
|
|
close(stopCh)
|
|
c.Assert(<-ch, check.IsNil)
|
|
c.Assert(<-errCh, check.IsNil)
|
|
}
|
|
|
|
// FakeStore implements store.Store methods. It mocks all store
|
|
// function in a simple, naive way.
|
|
type FakeStore struct {
|
|
Endpoints []string
|
|
Options *store.Config
|
|
mockKVChan <-chan []*store.KVPair
|
|
|
|
watchTreeCallCount int
|
|
}
|
|
|
|
func (s *FakeStore) Put(key string, value []byte, options *store.WriteOptions) error {
|
|
return nil
|
|
}
|
|
|
|
func (s *FakeStore) Get(key string) (*store.KVPair, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (s *FakeStore) Delete(key string) error {
|
|
return nil
|
|
}
|
|
|
|
func (s *FakeStore) Exists(key string) (bool, error) {
|
|
return true, nil
|
|
}
|
|
|
|
func (s *FakeStore) Watch(key string, stopCh <-chan struct{}) (<-chan *store.KVPair, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
// WatchTree will fail the first time, and return the mockKVchan afterwards.
|
|
// This is the behavior we need for testing.. If we need 'moar', should update this.
|
|
func (s *FakeStore) WatchTree(directory string, stopCh <-chan struct{}) (<-chan []*store.KVPair, error) {
|
|
if s.watchTreeCallCount == 0 {
|
|
s.watchTreeCallCount = 1
|
|
return nil, errors.New("test error")
|
|
}
|
|
// First calls error
|
|
return s.mockKVChan, nil
|
|
}
|
|
|
|
func (s *FakeStore) NewLock(key string, options *store.LockOptions) (store.Locker, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (s *FakeStore) List(directory string) ([]*store.KVPair, error) {
|
|
return []*store.KVPair{}, nil
|
|
}
|
|
|
|
func (s *FakeStore) DeleteTree(directory string) error {
|
|
return nil
|
|
}
|
|
|
|
func (s *FakeStore) AtomicPut(key string, value []byte, previous *store.KVPair, options *store.WriteOptions) (bool, *store.KVPair, error) {
|
|
return true, nil, nil
|
|
}
|
|
|
|
func (s *FakeStore) AtomicDelete(key string, previous *store.KVPair) (bool, error) {
|
|
return true, nil
|
|
}
|
|
|
|
func (s *FakeStore) Close() {
|
|
}
|