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presence_test.go
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/*
* Teleport
* Copyright (C) 2023 Gravitational, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package local
import (
"context"
"fmt"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/google/uuid"
"github.com/gravitational/trace"
"github.com/jonboulle/clockwork"
"github.com/stretchr/testify/require"
"github.com/gravitational/teleport"
"github.com/gravitational/teleport/api/client/proto"
apidefaults "github.com/gravitational/teleport/api/defaults"
"github.com/gravitational/teleport/api/internalutils/stream"
"github.com/gravitational/teleport/api/types"
"github.com/gravitational/teleport/lib/backend"
"github.com/gravitational/teleport/lib/backend/lite"
"github.com/gravitational/teleport/lib/backend/memory"
"github.com/gravitational/teleport/lib/defaults"
"github.com/gravitational/teleport/lib/services/suite"
)
// TestApplicationServersCRUD verifies backend operations on app servers.
func TestApplicationServersCRUD(t *testing.T) {
t.Parallel()
ctx := context.Background()
clock := clockwork.NewFakeClock()
backend, err := lite.NewWithConfig(ctx, lite.Config{
Path: t.TempDir(),
Clock: clock,
})
require.NoError(t, err)
presence := NewPresenceService(backend)
// Make an app and an app server.
appA, err := types.NewAppV3(types.Metadata{Name: "a"},
types.AppSpecV3{URI: "http://localhost:8080"})
require.NoError(t, err)
serverA, err := types.NewAppServerV3(types.Metadata{
Name: appA.GetName(),
}, types.AppServerSpecV3{
Hostname: "localhost",
HostID: uuid.New().String(),
App: appA,
})
require.NoError(t, err)
// Make another app and an app server.
appB, err := types.NewAppV3(types.Metadata{Name: "b"},
types.AppSpecV3{URI: "http://localhost:8081"})
require.NoError(t, err)
serverB, err := types.NewAppServerV3(types.Metadata{
Name: appB.GetName(),
}, types.AppServerSpecV3{
Hostname: "localhost",
HostID: uuid.New().String(),
App: appB,
})
require.NoError(t, err)
// No app servers should be registered initially
out, err := presence.GetApplicationServers(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, out)
// Create app servers.
lease, err := presence.UpsertApplicationServer(ctx, serverA)
require.NoError(t, err)
require.Equal(t, &types.KeepAlive{}, lease)
lease, err = presence.UpsertApplicationServer(ctx, serverB)
require.NoError(t, err)
require.Equal(t, &types.KeepAlive{}, lease)
// Make sure all app servers are registered.
out, err = presence.GetApplicationServers(ctx, serverA.GetNamespace())
require.NoError(t, err)
servers := types.AppServers(out)
require.NoError(t, servers.SortByCustom(types.SortBy{Field: types.ResourceMetadataName}))
require.Empty(t, cmp.Diff([]types.AppServer{serverA, serverB}, out,
cmpopts.IgnoreFields(types.Metadata{}, "Revision")))
// Delete an app server.
err = presence.DeleteApplicationServer(ctx, serverA.GetNamespace(), serverA.GetHostID(), serverA.GetName())
require.NoError(t, err)
// Expect only one to return.
out, err = presence.GetApplicationServers(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, cmp.Diff([]types.AppServer{serverB}, out,
cmpopts.IgnoreFields(types.Metadata{}, "Revision")))
// Upsert server with TTL.
serverA.SetExpiry(clock.Now().UTC().Add(time.Hour))
lease, err = presence.UpsertApplicationServer(ctx, serverA)
require.NoError(t, err)
require.Equal(t, &types.KeepAlive{
Type: types.KeepAlive_APP,
Name: serverA.GetName(),
Namespace: serverA.GetNamespace(),
HostID: serverA.GetHostID(),
Expires: serverA.Expiry(),
}, lease)
// Delete all app servers.
err = presence.DeleteAllApplicationServers(ctx, serverA.GetNamespace())
require.NoError(t, err)
// Expect no servers to return.
out, err = presence.GetApplicationServers(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, out)
}
func mustCreateDatabase(t *testing.T, name, protocol, uri string) *types.DatabaseV3 {
database, err := types.NewDatabaseV3(
types.Metadata{
Name: name,
},
types.DatabaseSpecV3{
Protocol: protocol,
URI: uri,
},
)
require.NoError(t, err)
return database
}
func TestDatabaseServersCRUD(t *testing.T) {
t.Parallel()
ctx := context.Background()
clock := clockwork.NewFakeClock()
backend, err := lite.NewWithConfig(ctx, lite.Config{
Path: t.TempDir(),
Clock: clock,
})
require.NoError(t, err)
presence := NewPresenceService(backend)
// Create a database server.
server, err := types.NewDatabaseServerV3(types.Metadata{
Name: "foo",
}, types.DatabaseServerSpecV3{
Database: mustCreateDatabase(t, "foo", defaults.ProtocolPostgres, "localhost:5432"),
Hostname: "localhost",
HostID: uuid.New().String(),
})
require.NoError(t, err)
// Initially expect not to be returned any servers.
out, err := presence.GetDatabaseServers(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, out)
// Upsert server.
lease, err := presence.UpsertDatabaseServer(ctx, server)
require.NoError(t, err)
require.Equal(t, &types.KeepAlive{}, lease)
// Check again, expect a single server to be found.
out, err = presence.GetDatabaseServers(ctx, server.GetNamespace())
require.NoError(t, err)
require.Empty(t, cmp.Diff([]types.DatabaseServer{server}, out, cmpopts.IgnoreFields(types.Metadata{}, "Revision")))
// Make sure can't delete with empty namespace or host ID or name.
err = presence.DeleteDatabaseServer(ctx, server.GetNamespace(), server.GetHostID(), "")
require.Error(t, err)
require.IsType(t, trace.BadParameter(""), err)
err = presence.DeleteDatabaseServer(ctx, server.GetNamespace(), "", server.GetName())
require.Error(t, err)
require.IsType(t, trace.BadParameter(""), err)
err = presence.DeleteDatabaseServer(ctx, "", server.GetHostID(), server.GetName())
require.Error(t, err)
require.IsType(t, trace.BadParameter(""), err)
// Remove the server.
err = presence.DeleteDatabaseServer(ctx, server.GetNamespace(), server.GetHostID(), server.GetName())
require.NoError(t, err)
// Now expect no servers to be returned.
out, err = presence.GetDatabaseServers(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, out)
// Upsert server with TTL.
server.SetExpiry(clock.Now().UTC().Add(time.Hour))
lease, err = presence.UpsertDatabaseServer(ctx, server)
require.NoError(t, err)
require.Equal(t, &types.KeepAlive{
Type: types.KeepAlive_DATABASE,
Name: server.GetName(),
Namespace: server.GetNamespace(),
HostID: server.GetHostID(),
Expires: server.Expiry(),
}, lease)
// Make sure can't delete all with empty namespace.
err = presence.DeleteAllDatabaseServers(ctx, "")
require.Error(t, err)
require.IsType(t, trace.BadParameter(""), err)
// Delete all.
err = presence.DeleteAllDatabaseServers(ctx, server.GetNamespace())
require.NoError(t, err)
// Now expect no servers to be returned.
out, err = presence.GetDatabaseServers(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, out)
}
func TestNodeCRUD(t *testing.T) {
t.Parallel()
ctx := context.Background()
lite, err := lite.NewWithConfig(ctx, lite.Config{Path: t.TempDir()})
require.NoError(t, err)
presence := NewPresenceService(lite)
node1, err := types.NewServerWithLabels("node1", types.KindNode, types.ServerSpecV2{}, nil)
require.NoError(t, err)
node2, err := types.NewServerWithLabels("node2", types.KindNode, types.ServerSpecV2{}, nil)
require.NoError(t, err)
t.Run("CreateNode", func(t *testing.T) {
// Initially expect no nodes to be returned.
nodes, err := presence.GetNodes(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, nodes)
// Create nodes
_, err = presence.UpsertNode(ctx, node1)
require.NoError(t, err)
_, err = presence.UpsertNode(ctx, node2)
require.NoError(t, err)
})
t.Run("UpdateNode", func(t *testing.T) {
node1, err = presence.GetNode(ctx, apidefaults.Namespace, node1.GetName())
require.NoError(t, err)
node1.SetAddr("1.2.3.4:8080")
node2, err = presence.GetNode(ctx, apidefaults.Namespace, node2.GetName())
require.NoError(t, err)
node1, err = presence.UpdateNode(ctx, node1)
require.NoError(t, err)
require.Equal(t, "1.2.3.4:8080", node1.GetAddr())
rev := node2.GetRevision()
node2.SetAddr("1.2.3.4:9090")
node2.SetRevision(node1.GetRevision())
_, err = presence.UpdateNode(ctx, node2)
require.True(t, trace.IsCompareFailed(err))
node2.SetRevision(rev)
node2, err = presence.UpdateNode(ctx, node2)
require.NoError(t, err)
require.Equal(t, "1.2.3.4:9090", node2.GetAddr())
})
// Run NodeGetters in nested subtests to allow parallelization.
t.Run("NodeGetters", func(t *testing.T) {
t.Run("GetNodes", func(t *testing.T) {
t.Parallel()
// Get all nodes, transparently handle limit exceeded errors
nodes, err := presence.GetNodes(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Len(t, nodes, 2)
require.Empty(t, cmp.Diff([]types.Server{node1, node2}, nodes,
cmpopts.IgnoreFields(types.Metadata{}, "Revision")))
// GetNodes should fail if namespace isn't provided
_, err = presence.GetNodes(ctx, "")
require.True(t, trace.IsBadParameter(err))
})
t.Run("GetNode", func(t *testing.T) {
t.Parallel()
// Get Node
node, err := presence.GetNode(ctx, apidefaults.Namespace, "node1")
require.NoError(t, err)
require.Empty(t, cmp.Diff(node1, node,
cmpopts.IgnoreFields(types.Metadata{}, "Revision")))
// GetNode should fail if node name isn't provided
_, err = presence.GetNode(ctx, apidefaults.Namespace, "")
require.True(t, trace.IsBadParameter(err))
// GetNode should fail if namespace isn't provided
_, err = presence.GetNode(ctx, "", "node1")
require.True(t, trace.IsBadParameter(err))
})
})
t.Run("DeleteNode", func(t *testing.T) {
// Delete node.
err = presence.DeleteNode(ctx, apidefaults.Namespace, node1.GetName())
require.NoError(t, err)
// Expect node not found
_, err := presence.GetNode(ctx, apidefaults.Namespace, "node1")
require.IsType(t, trace.NotFound(""), err)
})
t.Run("DeleteAllNodes", func(t *testing.T) {
// Delete nodes
err = presence.DeleteAllNodes(ctx, apidefaults.Namespace)
require.NoError(t, err)
// Now expect no nodes to be returned.
nodes, err := presence.GetNodes(ctx, apidefaults.Namespace)
require.NoError(t, err)
require.Empty(t, nodes)
})
}
func TestListResources(t *testing.T) {
t.Parallel()
ctx := context.Background()
clock := clockwork.NewFakeClock()
tests := map[string]struct {
resourceType string
createResourceFunc func(context.Context, *PresenceService, string, map[string]string) error
deleteAllResourcesFunc func(context.Context, *PresenceService) error
expectedType types.Resource
}{
"DatabaseServers": {
resourceType: types.KindDatabaseServer,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
db := mustCreateDatabase(t, name, defaults.ProtocolPostgres, "localhost:5432")
db.SetStaticLabels(labels)
server, err := types.NewDatabaseServerV3(types.Metadata{
Name: name,
Labels: labels,
}, types.DatabaseServerSpecV3{
Database: db,
Hostname: "localhost",
HostID: uuid.New().String(),
})
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertDatabaseServer(ctx, server)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllDatabaseServers(ctx, apidefaults.Namespace)
},
},
"DatabaseServersSameHost": {
resourceType: types.KindDatabaseServer,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
db := mustCreateDatabase(t, name, defaults.ProtocolPostgres, "localhost:5432")
db.SetStaticLabels(labels)
server, err := types.NewDatabaseServerV3(types.Metadata{
Name: name,
Labels: labels,
}, types.DatabaseServerSpecV3{
Database: db,
Hostname: "localhost",
HostID: "some-host",
})
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertDatabaseServer(ctx, server)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllDatabaseServers(ctx, apidefaults.Namespace)
},
},
"AppServers": {
resourceType: types.KindAppServer,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
app, err := types.NewAppV3(types.Metadata{
Name: name,
Labels: labels,
}, types.AppSpecV3{
URI: "localhost",
})
if err != nil {
return err
}
server, err := types.NewAppServerV3(types.Metadata{
Name: name,
Labels: labels,
}, types.AppServerSpecV3{
Hostname: "localhost",
HostID: uuid.New().String(),
App: app,
})
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertApplicationServer(ctx, server)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllApplicationServers(ctx, apidefaults.Namespace)
},
},
"AppServersSameHost": {
resourceType: types.KindAppServer,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
app, err := types.NewAppV3(types.Metadata{
Name: name,
Labels: labels,
}, types.AppSpecV3{
URI: "localhost",
})
if err != nil {
return err
}
server, err := types.NewAppServerV3(types.Metadata{
Name: name,
Labels: labels,
}, types.AppServerSpecV3{
Hostname: "localhost",
HostID: "some-host",
App: app,
})
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertApplicationServer(ctx, server)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllApplicationServers(ctx, apidefaults.Namespace)
},
},
"KubeServer": {
resourceType: types.KindKubeServer,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
kube, err := types.NewKubernetesClusterV3(
types.Metadata{
Name: name,
Labels: labels,
},
types.KubernetesClusterSpecV3{},
)
if err != nil {
return err
}
kubeServer, err := types.NewKubernetesServerV3FromCluster(kube, "host", "hostID")
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertKubernetesServer(ctx, kubeServer)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllKubernetesServers(ctx)
},
},
"Node": {
resourceType: types.KindNode,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
server, err := types.NewServerWithLabels(name, types.KindNode, types.ServerSpecV2{}, labels)
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertNode(ctx, server)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllNodes(ctx, apidefaults.Namespace)
},
},
"NodeWithDynamicLabels": {
resourceType: types.KindNode,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
dynamicLabels := make(map[string]types.CommandLabelV2)
for name, value := range labels {
dynamicLabels[name] = types.CommandLabelV2{
Period: types.NewDuration(time.Second),
Command: []string{name},
Result: value,
}
}
server, err := types.NewServer(name, types.KindNode, types.ServerSpecV2{
CmdLabels: dynamicLabels,
})
if err != nil {
return err
}
// Upsert server.
_, err = presence.UpsertNode(ctx, server)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllNodes(ctx, apidefaults.Namespace)
},
},
"WindowsDesktopService": {
resourceType: types.KindWindowsDesktopService,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
desktop, err := types.NewWindowsDesktopServiceV3(
types.Metadata{
Name: name,
Labels: labels,
},
types.WindowsDesktopServiceSpecV3{
Addr: "localhost:1234",
TeleportVersion: teleport.Version,
})
if err != nil {
return err
}
_, err = presence.UpsertWindowsDesktopService(ctx, desktop)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
return presence.DeleteAllWindowsDesktopServices(ctx)
},
},
"WindowsDesktop": {
resourceType: types.KindWindowsDesktop,
createResourceFunc: func(ctx context.Context, presence *PresenceService, name string, labels map[string]string) error {
desktopService := NewWindowsDesktopService(presence.Backend)
desktop, err := types.NewWindowsDesktopV3(name, labels, types.WindowsDesktopSpecV3{
Addr: "localhost:1234",
})
if err != nil {
return err
}
err = desktopService.UpsertWindowsDesktop(ctx, desktop)
return err
},
deleteAllResourcesFunc: func(ctx context.Context, presence *PresenceService) error {
desktopService := NewWindowsDesktopService(presence.Backend)
return desktopService.DeleteAllWindowsDesktops(ctx)
},
},
}
for testName, test := range tests {
testName := testName
test := test
t.Run(testName, func(t *testing.T) {
t.Parallel()
backend, err := lite.NewWithConfig(ctx, lite.Config{
Path: t.TempDir(),
Clock: clock,
})
require.NoError(t, err)
presence := NewPresenceService(backend)
resp, err := presence.ListResources(ctx, proto.ListResourcesRequest{
Limit: 1,
ResourceType: test.resourceType,
StartKey: "",
})
require.NoError(t, err)
require.Empty(t, resp.Resources)
require.Empty(t, resp.NextKey)
require.Empty(t, resp.TotalCount)
resourcesPerPage := 4
totalWithLabels := 7
totalWithoutLabels := 8
labels := map[string]string{"env": "test"}
totalResources := totalWithLabels + totalWithoutLabels
// with labels
for i := 0; i < totalWithLabels; i++ {
err = test.createResourceFunc(ctx, presence, fmt.Sprintf("foo-%d", i), labels)
require.NoError(t, err)
}
// without labels
for i := 0; i < totalWithoutLabels; i++ {
err = test.createResourceFunc(ctx, presence, fmt.Sprintf("foo-label-%d", i), map[string]string{})
require.NoError(t, err)
}
resultResourcesLen := 0
require.Eventually(t, func() bool {
resp, err = presence.ListResources(ctx, proto.ListResourcesRequest{
Limit: int32(resourcesPerPage),
Namespace: apidefaults.Namespace,
ResourceType: test.resourceType,
StartKey: resp.NextKey,
})
require.NoError(t, err)
require.Empty(t, resp.TotalCount)
resultResourcesLen += len(resp.Resources)
if resultResourcesLen == totalResources {
require.Empty(t, resp.NextKey)
}
return resultResourcesLen == totalResources
}, time.Second, 100*time.Millisecond)
// list resources only with matching labels
resultResourcesWithLabelsLen := 0
require.Eventually(t, func() bool {
resp, err = presence.ListResources(ctx, proto.ListResourcesRequest{
Limit: int32(resourcesPerPage),
Namespace: apidefaults.Namespace,
ResourceType: test.resourceType,
StartKey: resp.NextKey,
Labels: labels,
})
require.NoError(t, err)
require.Empty(t, resp.TotalCount)
resultResourcesWithLabelsLen += len(resp.Resources)
if resultResourcesWithLabelsLen == totalWithLabels {
require.Empty(t, resp.NextKey)
}
return resultResourcesWithLabelsLen == totalWithLabels
}, time.Second, 100*time.Millisecond)
// list resources only with matching search keywords
resultResourcesWithSearchKeywordsLen := 0
require.Eventually(t, func() bool {
resp, err = presence.ListResources(ctx, proto.ListResourcesRequest{
Limit: int32(resourcesPerPage),
Namespace: apidefaults.Namespace,
ResourceType: test.resourceType,
StartKey: resp.NextKey,
SearchKeywords: []string{"env", "test"},
})
require.NoError(t, err)
require.Empty(t, resp.TotalCount)
resultResourcesWithSearchKeywordsLen += len(resp.Resources)
if resultResourcesWithSearchKeywordsLen == totalWithLabels {
require.Empty(t, resp.NextKey)
}
return resultResourcesWithSearchKeywordsLen == totalWithLabels
}, time.Second, 100*time.Millisecond)
// list resources only with matching expression
resultResourcesWithMatchExprsLen := 0
require.Eventually(t, func() bool {
resp, err = presence.ListResources(ctx, proto.ListResourcesRequest{
Limit: int32(resourcesPerPage),
Namespace: apidefaults.Namespace,
ResourceType: test.resourceType,
StartKey: resp.NextKey,
PredicateExpression: `labels.env == "test"`,
})
require.NoError(t, err)
require.Empty(t, resp.TotalCount)
resultResourcesWithMatchExprsLen += len(resp.Resources)
if resultResourcesWithMatchExprsLen == totalWithLabels {
require.Empty(t, resp.NextKey)
}
return resultResourcesWithMatchExprsLen == totalWithLabels
}, time.Second, 100*time.Millisecond)
// delete everything
err = test.deleteAllResourcesFunc(ctx, presence)
require.NoError(t, err)
resp, err = presence.ListResources(ctx, proto.ListResourcesRequest{
Limit: 1,
Namespace: apidefaults.Namespace,
ResourceType: test.resourceType,
StartKey: "",
})
require.NoError(t, err)
require.Empty(t, resp.NextKey)
require.Empty(t, resp.Resources)
require.Empty(t, resp.TotalCount)
})
}
}
func TestListResources_Helpers(t *testing.T) {
t.Parallel()
ctx := context.Background()
clock := clockwork.NewFakeClock()
namespace := apidefaults.Namespace
bend, err := lite.NewWithConfig(ctx, lite.Config{
Path: t.TempDir(),
Clock: clock,
})
require.NoError(t, err)
presence := NewPresenceService(bend)
tests := []struct {
name string
fetch func(proto.ListResourcesRequest) (*types.ListResourcesResponse, error)
}{
{
name: "listResources",
fetch: func(req proto.ListResourcesRequest) (*types.ListResourcesResponse, error) {
return presence.listResources(ctx, req)
},
},
{
name: "listResourcesWithSort",
fetch: func(req proto.ListResourcesRequest) (*types.ListResourcesResponse, error) {
return presence.listResourcesWithSort(ctx, req)
},
},
{
name: "FakePaginate",
fetch: func(req proto.ListResourcesRequest) (*types.ListResourcesResponse, error) {
nodes, err := presence.GetNodes(ctx, namespace)
require.NoError(t, err)
return FakePaginate(types.Servers(nodes).AsResources(), FakePaginateParams{
ResourceType: req.ResourceType,
Limit: req.Limit,
Labels: req.Labels,
SearchKeywords: req.SearchKeywords,
StartKey: req.StartKey,
})
},
},
}
t.Run("test fetching when there is 0 upserted nodes", func(t *testing.T) {
req := proto.ListResourcesRequest{
ResourceType: types.KindNode,
Limit: 5,
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
resp, err := tc.fetch(req)
require.NoError(t, err)
require.Empty(t, resp.NextKey)
require.Empty(t, resp.Resources)
require.Empty(t, resp.TotalCount)
})
}
})
// Add some test servers.
for i := 0; i < 20; i++ {
server := suite.NewServer(types.KindNode, uuid.New().String(), "127.0.0.1:2022", namespace)
_, err = presence.UpsertNode(ctx, server)
require.NoError(t, err)
}
// Test servers have been inserted.
nodes, err := presence.GetNodes(ctx, namespace)
require.NoError(t, err)
require.Len(t, nodes, 20)
t.Run("test invalid limit value", func(t *testing.T) {
req := proto.ListResourcesRequest{
ResourceType: types.KindNode,
Namespace: namespace,
Limit: -1,
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
_, err := tc.fetch(req)
require.True(t, trace.IsBadParameter(err))
})
}
})
t.Run("test retrieving entire list upfront", func(t *testing.T) {
req := proto.ListResourcesRequest{
ResourceType: types.KindNode,
Namespace: namespace,
Limit: int32(len(nodes)),
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
resp, err := tc.fetch(req)
require.NoError(t, err)
require.Empty(t, resp.NextKey)
fetchedNodes, err := types.ResourcesWithLabels(resp.Resources).AsServers()
require.NoError(t, err)
require.Equal(t, nodes, fetchedNodes)
})
}
})
t.Run("test first, middle, last fetching", func(t *testing.T) {
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
// First fetch.
resp, err := tc.fetch(proto.ListResourcesRequest{
ResourceType: types.KindNode,
Namespace: namespace,
Limit: 10,
})
require.NoError(t, err)
require.Len(t, resp.Resources, 10)
fetchedNodes, err := types.ResourcesWithLabels(resp.Resources).AsServers()
require.NoError(t, err)
require.Equal(t, nodes[:10], fetchedNodes)
require.Equal(t, backend.GetPaginationKey(nodes[10]), resp.NextKey) // 11th item
// Middle fetch.
resp, err = tc.fetch(proto.ListResourcesRequest{
ResourceType: types.KindNode,
Namespace: namespace,
StartKey: resp.NextKey,
Limit: 5,
})
require.NoError(t, err)
require.Len(t, resp.Resources, 5)
fetchedNodes, err = types.ResourcesWithLabels(resp.Resources).AsServers()
require.NoError(t, err)
require.Equal(t, nodes[10:15], fetchedNodes)
require.Equal(t, backend.GetPaginationKey(nodes[15]), resp.NextKey) // 16th item
// Last fetch.
resp, err = tc.fetch(proto.ListResourcesRequest{
ResourceType: types.KindNode,
Namespace: namespace,
StartKey: resp.NextKey,
Limit: 5,
})
require.NoError(t, err)
require.Len(t, resp.Resources, 5)
fetchedNodes, err = types.ResourcesWithLabels(resp.Resources).AsServers()
require.NoError(t, err)
require.Equal(t, nodes[15:20], fetchedNodes)
require.Empty(t, resp.NextKey)
})
}
})
t.Run("test one result filter", func(t *testing.T) {
targetVal := nodes[14].GetName()
req := proto.ListResourcesRequest{
ResourceType: types.KindNode,
Namespace: namespace,
StartKey: "",
Limit: 5,
SearchKeywords: []string{targetVal},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
resp, err := tc.fetch(req)
require.NoError(t, err)
require.Len(t, resp.Resources, 1)
require.Equal(t, targetVal, resp.Resources[0].GetName())
require.Empty(t, resp.NextKey)
})
}
})
}
func TestFakePaginate_TotalCount(t *testing.T) {
t.Parallel()
ctx := context.Background()
clock := clockwork.NewFakeClock()
namespace := apidefaults.Namespace
bend, err := lite.NewWithConfig(ctx, lite.Config{
Path: t.TempDir(),
Clock: clock,
})
require.NoError(t, err)
presence := NewPresenceService(bend)
// Add some control servers.
server := suite.NewServer(types.KindNode, "foo-bar", "127.0.0.1:2022", namespace)
_, err = presence.UpsertNode(ctx, server)
require.NoError(t, err)
server = suite.NewServer(types.KindNode, "foo-baz", "127.0.0.1:2022", namespace)
_, err = presence.UpsertNode(ctx, server)
require.NoError(t, err)
server = suite.NewServer(types.KindNode, "foo-qux", "127.0.0.1:2022", namespace)
_, err = presence.UpsertNode(ctx, server)
require.NoError(t, err)
// Add some test servers.
for i := 0; i < 10; i++ {
server := suite.NewServer(types.KindNode, uuid.New().String(), "127.0.0.1:2022", namespace)
_, err = presence.UpsertNode(ctx, server)
require.NoError(t, err)
}
// Test servers have been inserted.
nodes, err := presence.GetNodes(ctx, namespace)
require.NoError(t, err)
require.Len(t, nodes, 13)
// Convert to resources.
resources := types.Servers(nodes).AsResources()
t.Run("total count without filter", func(t *testing.T) {
t.Parallel()
tests := []struct {
name string
limit int
}{
{
name: "single",
limit: 1,
},
{
name: "even",
limit: 4,
},
{
name: "odd",
limit: 5,
},
{
name: "max",
limit: len(nodes),
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
req := FakePaginateParams{
ResourceType: types.KindNode,
Limit: int32(tc.limit),
NeedTotalCount: true,
}
// First fetch.
resp, err := FakePaginate(resources, req)
require.NoError(t, err)
require.Len(t, resp.Resources, tc.limit)
require.Equal(t, resources[0:tc.limit], resp.Resources)
require.Len(t, nodes, resp.TotalCount)
// Next fetch should return same amount of totals.
if tc.limit != len(nodes) {
require.NotEmpty(t, resp.NextKey)
req.StartKey = resp.NextKey
resp, err = FakePaginate(resources, req)
require.NoError(t, err)
require.Len(t, resp.Resources, tc.limit)
require.Equal(t, resources[tc.limit:tc.limit*2], resp.Resources)
require.Len(t, nodes, resp.TotalCount)
} else {