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package tvmtool_test
import (
"context"
"encoding/json"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/ydb-platform/ydb/library/go/core/log"
"github.com/ydb-platform/ydb/library/go/core/log/zap"
"github.com/ydb-platform/ydb/library/go/yandex/tvm"
"github.com/ydb-platform/ydb/library/go/yandex/tvm/tvmtool"
"go.uber.org/atomic"
)
func newMockClient(upstream string, options ...tvmtool.Option) (*tvmtool.Client, error) {
zlog, _ := zap.New(zap.ConsoleConfig(log.DebugLevel))
options = append(options, tvmtool.WithLogger(zlog), tvmtool.WithAuthToken("token"))
return tvmtool.NewClient(upstream, options...)
}
// TestClientBackgroundUpdate_Updatable checks that TVMTool client updates tickets state
func TestClientBackgroundUpdate_Updatable(t *testing.T) {
type TestCase struct {
client func(ctx context.Context, t *testing.T, url string) *tvmtool.Client
}
cases := map[string]TestCase{
"async": {
client: func(ctx context.Context, t *testing.T, url string) *tvmtool.Client {
tvmClient, err := newMockClient(url, tvmtool.WithRefreshFrequency(500*time.Millisecond))
require.NoError(t, err)
return tvmClient
},
},
"background": {
client: func(ctx context.Context, t *testing.T, url string) *tvmtool.Client {
tvmClient, err := newMockClient(
url,
tvmtool.WithRefreshFrequency(1*time.Second),
tvmtool.WithBackgroundUpdate(ctx),
)
require.NoError(t, err)
return tvmClient
},
},
}
tester := func(name string, tc TestCase) {
t.Run(name, func(t *testing.T) {
t.Parallel()
var (
testDstAlias = "test"
testDstID = tvm.ClientID(2002456)
testTicket = atomic.NewString("3:serv:original-test-ticket:signature")
testFooDstAlias = "test_foo"
testFooDstID = tvm.ClientID(2002457)
testFooTicket = atomic.NewString("3:serv:original-test-foo-ticket:signature")
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, "/tvm/tickets", r.URL.Path)
assert.Equal(t, "token", r.Header.Get("Authorization"))
switch r.URL.RawQuery {
case "dsts=test", "dsts=test_foo", "dsts=test%2Ctest_foo", "dsts=test_foo%2Ctest":
// ok
case "dsts=2002456", "dsts=2002457", "dsts=2002456%2C2002457", "dsts=2002457%2C2002456":
// ok
default:
t.Errorf("unknown tvm-request query: %q", r.URL.RawQuery)
}
w.Header().Set("Content-Type", "application/json")
rsp := map[string]struct {
Ticket string `json:"ticket"`
TVMID tvm.ClientID `json:"tvm_id"`
}{
testDstAlias: {
Ticket: testTicket.Load(),
TVMID: testDstID,
},
testFooDstAlias: {
Ticket: testFooTicket.Load(),
TVMID: testFooDstID,
},
}
err := json.NewEncoder(w).Encode(rsp)
assert.NoError(t, err)
}))
defer srv.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
tvmClient := tc.client(ctx, t, srv.URL)
requestTickets := func(mustEquals bool) {
ticket, err := tvmClient.GetServiceTicketForAlias(context.Background(), testDstAlias)
require.NoError(t, err)
if mustEquals {
require.Equal(t, testTicket.Load(), ticket)
}
ticket, err = tvmClient.GetServiceTicketForID(context.Background(), testDstID)
require.NoError(t, err)
if mustEquals {
require.Equal(t, testTicket.Load(), ticket)
}
ticket, err = tvmClient.GetServiceTicketForAlias(context.Background(), testFooDstAlias)
require.NoError(t, err)
if mustEquals {
require.Equal(t, testFooTicket.Load(), ticket)
}
ticket, err = tvmClient.GetServiceTicketForID(context.Background(), testFooDstID)
require.NoError(t, err)
if mustEquals {
require.Equal(t, testFooTicket.Load(), ticket)
}
}
// populate tickets cache
requestTickets(true)
// now change tickets
newTicket := "3:serv:changed-test-ticket:signature"
testTicket.Store(newTicket)
testFooTicket.Store("3:serv:changed-test-foo-ticket:signature")
// wait some time
time.Sleep(2 * time.Second)
// request new tickets
requestTickets(false)
// and wait updates some time
for idx := 0; idx < 250; idx++ {
time.Sleep(100 * time.Millisecond)
ticket, _ := tvmClient.GetServiceTicketForAlias(context.Background(), testDstAlias)
if ticket == newTicket {
break
}
}
// now out tvmclient MUST returns new tickets
requestTickets(true)
})
}
for name, tc := range cases {
tester(name, tc)
}
}
// TestClientBackgroundUpdate_NotTooOften checks that TVMTool client request tvmtool not too often
func TestClientBackgroundUpdate_NotTooOften(t *testing.T) {
type TestCase struct {
client func(ctx context.Context, t *testing.T, url string) *tvmtool.Client
}
cases := map[string]TestCase{
"async": {
client: func(ctx context.Context, t *testing.T, url string) *tvmtool.Client {
tvmClient, err := newMockClient(url, tvmtool.WithRefreshFrequency(20*time.Second))
require.NoError(t, err)
return tvmClient
},
},
"background": {
client: func(ctx context.Context, t *testing.T, url string) *tvmtool.Client {
tvmClient, err := newMockClient(
url,
tvmtool.WithRefreshFrequency(20*time.Second),
tvmtool.WithBackgroundUpdate(ctx),
)
require.NoError(t, err)
return tvmClient
},
},
}
tester := func(name string, tc TestCase) {
t.Run(name, func(t *testing.T) {
t.Parallel()
var (
reqCount = atomic.NewUint32(0)
testDstAlias = "test"
testDstID = tvm.ClientID(2002456)
testTicket = "3:serv:original-test-ticket:signature"
testFooDstAlias = "test_foo"
testFooDstID = tvm.ClientID(2002457)
testFooTicket = "3:serv:original-test-foo-ticket:signature"
)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
reqCount.Add(1)
assert.Equal(t, "/tvm/tickets", r.URL.Path)
assert.Equal(t, "token", r.Header.Get("Authorization"))
switch r.URL.RawQuery {
case "dsts=test", "dsts=test_foo", "dsts=test%2Ctest_foo", "dsts=test_foo%2Ctest":
// ok
case "dsts=2002456", "dsts=2002457", "dsts=2002456%2C2002457", "dsts=2002457%2C2002456":
// ok
default:
t.Errorf("unknown tvm-request query: %q", r.URL.RawQuery)
}
w.Header().Set("Content-Type", "application/json")
rsp := map[string]struct {
Ticket string `json:"ticket"`
TVMID tvm.ClientID `json:"tvm_id"`
}{
testDstAlias: {
Ticket: testTicket,
TVMID: testDstID,
},
testFooDstAlias: {
Ticket: testFooTicket,
TVMID: testFooDstID,
},
}
err := json.NewEncoder(w).Encode(rsp)
assert.NoError(t, err)
}))
defer srv.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
tvmClient := tc.client(ctx, t, srv.URL)
requestTickets := func() {
ticket, err := tvmClient.GetServiceTicketForAlias(context.Background(), testDstAlias)
require.NoError(t, err)
require.Equal(t, testTicket, ticket)
ticket, err = tvmClient.GetServiceTicketForID(context.Background(), testDstID)
require.NoError(t, err)
require.Equal(t, testTicket, ticket)
ticket, err = tvmClient.GetServiceTicketForAlias(context.Background(), testFooDstAlias)
require.NoError(t, err)
require.Equal(t, testFooTicket, ticket)
ticket, err = tvmClient.GetServiceTicketForID(context.Background(), testFooDstID)
require.NoError(t, err)
require.Equal(t, testFooTicket, ticket)
}
// populate cache
requestTickets()
// requests tickets some time that lower than refresh frequency
for i := 0; i < 10; i++ {
requestTickets()
time.Sleep(200 * time.Millisecond)
}
require.Equal(t, uint32(2), reqCount.Load(), "tvmtool client calls tvmtool too many times")
})
}
for name, tc := range cases {
tester(name, tc)
}
}
func TestClient_RefreshFrequency(t *testing.T) {
cases := map[string]struct {
freq time.Duration
err bool
}{
"too_high": {
freq: 20 * time.Minute,
err: true,
},
"ok": {
freq: 2 * time.Minute,
err: false,
},
}
for name, cs := range cases {
t.Run(name, func(t *testing.T) {
_, err := tvmtool.NewClient("fake", tvmtool.WithRefreshFrequency(cs.freq))
if cs.err {
require.Error(t, err)
} else {
require.NoError(t, err)
}
})
}
}
func TestClient_MultipleAliases(t *testing.T) {
reqCount := atomic.NewUint32(0)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
reqCount.Add(1)
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`{
"test": {"ticket": "3:serv:CNVRELOq1O0FIggIwON6EJiceg:signature","tvm_id": 2002456},
"test_alias": {"ticket": "3:serv:CNVRELOq1O0FIggIwON6EJiceg:signature","tvm_id": 2002456}
}`))
}))
defer srv.Close()
bgCtx, bgCancel := context.WithCancel(context.Background())
defer bgCancel()
tvmClient, err := newMockClient(
srv.URL,
tvmtool.WithRefreshFrequency(2*time.Second),
tvmtool.WithBackgroundUpdate(bgCtx),
)
require.NoError(t, err)
requestTickets := func(t *testing.T) {
ticket, err := tvmClient.GetServiceTicketForAlias(context.Background(), "test")
require.NoError(t, err)
require.Equal(t, "3:serv:CNVRELOq1O0FIggIwON6EJiceg:signature", ticket)
ticket, err = tvmClient.GetServiceTicketForAlias(context.Background(), "test_alias")
require.NoError(t, err)
require.Equal(t, "3:serv:CNVRELOq1O0FIggIwON6EJiceg:signature", ticket)
ticket, err = tvmClient.GetServiceTicketForID(context.Background(), tvm.ClientID(2002456))
require.NoError(t, err)
require.Equal(t, "3:serv:CNVRELOq1O0FIggIwON6EJiceg:signature", ticket)
}
t.Run("first", requestTickets)
t.Run("check_requests", func(t *testing.T) {
// reqCount must be 2 - one for each aliases
require.Equal(t, uint32(2), reqCount.Load())
})
// now wait GC
reqCount.Store(0)
time.Sleep(3 * time.Second)
t.Run("after_gc", requestTickets)
t.Run("check_requests", func(t *testing.T) {
// reqCount must be 1
require.Equal(t, uint32(1), reqCount.Load())
})
}
|
