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package praefect
import (
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/git/gittest"
gconfig "gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/service"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/service/repository"
"gitlab.com/gitlab-org/gitaly/internal/praefect/config"
"gitlab.com/gitlab-org/gitaly/internal/praefect/nodes"
"gitlab.com/gitlab-org/gitaly/internal/praefect/protoregistry"
"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"
)
func TestInfoService_RepositoryReplicas(t *testing.T) {
var cfgs []gconfig.Cfg
var cfgNodes []*config.Node
var testRepo *gitalypb.Repository
for i, storage := range []string{"g-1", "g-2", "g-3"} {
cfg, repo, _ := testcfg.BuildWithRepo(t, testcfg.WithStorages(storage))
if testRepo == nil {
testRepo = repo
}
cfgs = append(cfgs, cfg)
cfgs[i].SocketPath = testserver.RunGitalyServer(t, cfgs[i], nil, func(srv *grpc.Server, deps *service.Dependencies) {
gitalypb.RegisterRepositoryServiceServer(srv, repository.NewServer(
deps.GetCfg(),
deps.GetRubyServer(),
deps.GetLocator(),
deps.GetTxManager(),
deps.GetGitCmdFactory(),
deps.GetCatfileCache(),
))
}, testserver.WithDisablePraefect())
cfgNodes = append(cfgNodes, &config.Node{
Storage: cfgs[i].Storages[0].Name,
Address: cfgs[i].SocketPath,
Token: cfgs[i].Auth.Token,
})
}
conf := config.Config{
VirtualStorages: []*config.VirtualStorage{{Name: "default", Nodes: cfgNodes}},
Failover: config.Failover{Enabled: true},
}
// create a commit in the second replica so we can check that its checksum is different than the primary
gittest.WriteCommit(t, cfgs[1], filepath.Join(cfgs[1].Storages[0].Path, testRepo.GetRelativePath()), gittest.WithBranch("master"))
nodeManager, err := nodes.NewManager(testhelper.DiscardTestEntry(t), conf, nil, nil, promtest.NewMockHistogramVec(), protoregistry.GitalyProtoPreregistered, nil, nil)
require.NoError(t, err)
nodeManager.Start(0, time.Hour)
cc, _, cleanup := runPraefectServer(t, conf, buildOptions{
withPrimaryGetter: nodeManager,
withConnections: NodeSetFromNodeManager(nodeManager).Connections(),
})
defer cleanup()
client := gitalypb.NewPraefectInfoServiceClient(cc)
ctx, cancel := testhelper.Context()
defer cancel()
// CalculateChecksum through praefect will get the checksum of the primary
repoClient := gitalypb.NewRepositoryServiceClient(cc)
checksum, err := repoClient.CalculateChecksum(ctx, &gitalypb.CalculateChecksumRequest{
Repository: &gitalypb.Repository{
StorageName: conf.VirtualStorages[0].Name,
RelativePath: testRepo.GetRelativePath(),
},
})
require.NoError(t, err)
resp, err := client.RepositoryReplicas(ctx, &gitalypb.RepositoryReplicasRequest{
Repository: &gitalypb.Repository{
StorageName: conf.VirtualStorages[0].Name,
RelativePath: testRepo.GetRelativePath(),
},
})
require.NoError(t, err)
require.Equal(t, checksum.Checksum, resp.Primary.Checksum)
var checked []string
for _, secondary := range resp.GetReplicas() {
switch storage := secondary.GetRepository().GetStorageName(); storage {
case conf.VirtualStorages[0].Nodes[1].Storage:
require.NotEqual(t, checksum.Checksum, secondary.Checksum, "should not be equal since we added a commit")
checked = append(checked, storage)
case conf.VirtualStorages[0].Nodes[2].Storage:
require.Equal(t, checksum.Checksum, secondary.Checksum)
checked = append(checked, storage)
default:
require.FailNow(t, "unexpected storage: %q", storage)
}
}
require.ElementsMatch(t, []string{conf.VirtualStorages[0].Nodes[1].Storage, conf.VirtualStorages[0].Nodes[2].Storage}, checked)
}
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