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package praefect
import (
"context"
"crypto/tls"
"crypto/x509"
"io/ioutil"
"net"
"os"
"testing"
"time"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/client"
"gitlab.com/gitlab-org/gitaly/internal/bootstrap/starter"
gconfig "gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/service/setup"
"gitlab.com/gitlab-org/gitaly/internal/helper/text"
"gitlab.com/gitlab-org/gitaly/internal/praefect/config"
"gitlab.com/gitlab-org/gitaly/internal/praefect/datastore"
"gitlab.com/gitlab-org/gitaly/internal/praefect/nodes"
"gitlab.com/gitlab-org/gitaly/internal/praefect/protoregistry"
"gitlab.com/gitlab-org/gitaly/internal/praefect/transactions"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/promtest"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testserver"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
healthpb "google.golang.org/grpc/health/grpc_health_v1"
)
func TestServerFactory(t *testing.T) {
cfg, repo, repoPath := testcfg.BuildWithRepo(t)
gitalyAddr := testserver.RunGitalyServer(t, cfg, nil, setup.RegisterAll, testserver.WithDisablePraefect())
certFile, keyFile := testhelper.GenerateCerts(t)
conf := config.Config{
TLS: gconfig.TLS{
CertPath: certFile,
KeyPath: keyFile,
},
VirtualStorages: []*config.VirtualStorage{
{
Name: "praefect",
Nodes: []*config.Node{
{
Storage: cfg.Storages[0].Name,
Address: gitalyAddr,
Token: cfg.Auth.Token,
},
},
},
},
Failover: config.Failover{Enabled: true},
}
repo.StorageName = conf.VirtualStorages[0].Name // storage must be re-written to virtual to be properly redirected by praefect
revision := text.ChompBytes(testhelper.MustRunCommand(t, nil, "git", "-C", repoPath, "rev-parse", "HEAD"))
logger := testhelper.DiscardTestEntry(t)
queue := datastore.NewMemoryReplicationEventQueue(conf)
rs := datastore.MockRepositoryStore{}
nodeMgr, err := nodes.NewManager(logger, conf, nil, rs, &promtest.MockHistogramVec{}, protoregistry.GitalyProtoPreregistered, nil, nil)
require.NoError(t, err)
nodeMgr.Start(0, time.Second)
txMgr := transactions.NewManager(conf)
registry := protoregistry.GitalyProtoPreregistered
coordinator := NewCoordinator(
queue,
rs,
NewNodeManagerRouter(nodeMgr, rs),
txMgr,
conf,
registry,
)
checkOwnRegisteredServices := func(ctx context.Context, t *testing.T, cc *grpc.ClientConn) healthpb.HealthClient {
t.Helper()
healthClient := healthpb.NewHealthClient(cc)
resp, err := healthClient.Check(ctx, &healthpb.HealthCheckRequest{})
require.NoError(t, err)
require.Equal(t, healthpb.HealthCheckResponse_SERVING, resp.Status)
return healthClient
}
checkProxyingOntoGitaly := func(ctx context.Context, t *testing.T, cc *grpc.ClientConn) {
t.Helper()
commitClient := gitalypb.NewCommitServiceClient(cc)
resp, err := commitClient.CommitLanguages(ctx, &gitalypb.CommitLanguagesRequest{Repository: repo, Revision: []byte(revision)})
require.NoError(t, err)
require.Len(t, resp.Languages, 4)
}
t.Run("insecure", func(t *testing.T) {
praefectServerFactory := NewServerFactory(conf, logger, coordinator.StreamDirector, nodeMgr, txMgr, queue, rs, datastore.AssignmentStore{}, registry, nil, nil)
defer praefectServerFactory.Stop()
listener, err := net.Listen(starter.TCP, "localhost:0")
require.NoError(t, err)
defer func() { require.NoError(t, listener.Close()) }()
go praefectServerFactory.Serve(listener, false)
praefectAddr, err := starter.ComposeEndpoint(listener.Addr().Network(), listener.Addr().String())
require.NoError(t, err)
cc, err := client.Dial(praefectAddr, nil)
require.NoError(t, err)
defer func() { require.NoError(t, cc.Close()) }()
ctx, cancel := testhelper.Context()
defer cancel()
t.Run("handles registered RPCs", func(t *testing.T) {
checkOwnRegisteredServices(ctx, t, cc)
})
t.Run("proxies RPCs onto gitaly server", func(t *testing.T) {
checkProxyingOntoGitaly(ctx, t, cc)
})
})
t.Run("secure", func(t *testing.T) {
praefectServerFactory := NewServerFactory(conf, logger, coordinator.StreamDirector, nodeMgr, txMgr, queue, rs, datastore.AssignmentStore{}, registry, nil, nil)
defer praefectServerFactory.Stop()
listener, err := net.Listen(starter.TCP, "localhost:0")
require.NoError(t, err)
defer func() { require.NoError(t, listener.Close()) }()
go praefectServerFactory.Serve(listener, true)
ctx, cancel := testhelper.Context()
defer cancel()
certPool, err := x509.SystemCertPool()
require.NoError(t, err)
pem, err := ioutil.ReadFile(conf.TLS.CertPath)
require.NoError(t, err)
require.True(t, certPool.AppendCertsFromPEM(pem))
creds := credentials.NewTLS(&tls.Config{
RootCAs: certPool,
MinVersion: tls.VersionTLS12,
})
cc, err := grpc.DialContext(ctx, listener.Addr().String(), grpc.WithTransportCredentials(creds))
require.NoError(t, err)
defer func() { require.NoError(t, cc.Close()) }()
t.Run("handles registered RPCs", func(t *testing.T) {
checkOwnRegisteredServices(ctx, t, cc)
})
t.Run("proxies RPCs onto gitaly server", func(t *testing.T) {
checkProxyingOntoGitaly(ctx, t, cc)
})
})
t.Run("stops all listening servers", func(t *testing.T) {
ctx, cancel := testhelper.Context()
defer cancel()
praefectServerFactory := NewServerFactory(conf, logger, coordinator.StreamDirector, nodeMgr, txMgr, queue, rs, datastore.AssignmentStore{}, registry, nil, nil)
defer praefectServerFactory.Stop()
// start with tcp address
tcpListener, err := net.Listen(starter.TCP, "localhost:0")
require.NoError(t, err)
defer tcpListener.Close()
go praefectServerFactory.Serve(tcpListener, false)
praefectTCPAddr, err := starter.ComposeEndpoint(tcpListener.Addr().Network(), tcpListener.Addr().String())
require.NoError(t, err)
tcpCC, err := client.Dial(praefectTCPAddr, nil)
require.NoError(t, err)
defer func() { require.NoError(t, tcpCC.Close()) }()
tcpHealthClient := checkOwnRegisteredServices(ctx, t, tcpCC)
// start with tls address
tlsListener, err := net.Listen(starter.TCP, "localhost:0")
require.NoError(t, err)
defer tlsListener.Close()
go praefectServerFactory.Serve(tlsListener, true)
praefectTLSAddr, err := starter.ComposeEndpoint(tcpListener.Addr().Network(), tcpListener.Addr().String())
require.NoError(t, err)
tlsCC, err := client.Dial(praefectTLSAddr, nil)
require.NoError(t, err)
defer func() { require.NoError(t, tlsCC.Close()) }()
tlsHealthClient := checkOwnRegisteredServices(ctx, t, tlsCC)
// start with socket address
socketPath := testhelper.GetTemporaryGitalySocketFileName(t)
defer func() { require.NoError(t, os.RemoveAll(socketPath)) }()
socketListener, err := net.Listen(starter.Unix, socketPath)
require.NoError(t, err)
defer socketListener.Close()
go praefectServerFactory.Serve(socketListener, false)
praefectSocketAddr, err := starter.ComposeEndpoint(socketListener.Addr().Network(), socketListener.Addr().String())
require.NoError(t, err)
socketCC, err := client.Dial(praefectSocketAddr, nil)
require.NoError(t, err)
defer func() { require.NoError(t, socketCC.Close()) }()
unixHealthClient := checkOwnRegisteredServices(ctx, t, socketCC)
praefectServerFactory.GracefulStop()
_, err = tcpHealthClient.Check(ctx, nil)
require.Error(t, err)
_, err = tlsHealthClient.Check(ctx, nil)
require.Error(t, err)
_, err = unixHealthClient.Check(ctx, nil)
require.Error(t, err)
})
t.Run("tls key path invalid", func(t *testing.T) {
badTLSKeyPath := conf
badTLSKeyPath.TLS.KeyPath = "invalid"
praefectServerFactory := NewServerFactory(badTLSKeyPath, logger, coordinator.StreamDirector, nodeMgr, txMgr, queue, rs, datastore.AssignmentStore{}, registry, nil, nil)
err := praefectServerFactory.Serve(nil, true)
require.EqualError(t, err, "load certificate key pair: open invalid: no such file or directory")
})
t.Run("tls cert path invalid", func(t *testing.T) {
badTLSKeyPath := conf
badTLSKeyPath.TLS.CertPath = "invalid"
praefectServerFactory := NewServerFactory(badTLSKeyPath, logger, coordinator.StreamDirector, nodeMgr, txMgr, queue, rs, datastore.AssignmentStore{}, registry, nil, nil)
err := praefectServerFactory.Serve(nil, true)
require.EqualError(t, err, "load certificate key pair: open invalid: no such file or directory")
})
}
|
