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package info
import (
"context"
"fmt"
"io"
"net"
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v14/client"
"gitlab.com/gitlab-org/gitaly/v14/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/service/setup"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect/config"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect/datastore"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect/nodes"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper/testserver"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func TestServer_ConsistencyCheck_repositorySpecificPrimariesUnsupported(t *testing.T) {
require.Equal(
t,
errRepositorySpecificPrimariesUnsupported,
NewServer(nil,
config.Config{
Failover: config.Failover{ElectionStrategy: config.ElectionStrategyPerRepository},
}, nil, nil, nil, nil, nil,
).ConsistencyCheck(nil, nil),
)
}
func TestServer_ConsistencyCheck(t *testing.T) {
const (
firstRepoPath = "1.git"
secondRepoPath = "2.git"
thirdRepoPath = "3.git"
checksum = "13d09299a4516e741be34e3252e3a35041b6b062"
targetStorageName = "target"
referenceStorageName = "reference"
virtualStorage = "virtualStorage"
)
referenceCfg := testcfg.Build(t, testcfg.WithStorages(referenceStorageName))
targetCfg := testcfg.Build(t, testcfg.WithStorages(targetStorageName))
// firstRepoPath exists on both storages and has same state
gittest.CloneRepoAtStorage(t, referenceCfg, referenceCfg.Storages[0], firstRepoPath)
gittest.CloneRepoAtStorage(t, targetCfg, targetCfg.Storages[0], firstRepoPath)
referenceAddr := testserver.RunGitalyServer(t, referenceCfg, nil, setup.RegisterAll, testserver.WithDisablePraefect())
targetGitaly := testserver.StartGitalyServer(t, targetCfg, nil, setup.RegisterAll, testserver.WithDisablePraefect())
conf := config.Config{VirtualStorages: []*config.VirtualStorage{{
Name: virtualStorage,
Nodes: []*config.Node{
{Storage: referenceCfg.Storages[0].Name, Address: referenceAddr},
{Storage: targetCfg.Storages[0].Name, Address: targetGitaly.Address()},
},
}}}
ctx, cancel := testhelper.Context()
defer cancel()
referenceConn, err := client.Dial(referenceAddr, nil)
require.NoError(t, err)
targetConn, err := client.Dial(targetGitaly.Address(), nil)
require.NoError(t, err)
nm := &nodes.MockManager{
GetShardFunc: func(s string) (nodes.Shard, error) {
if s != conf.VirtualStorages[0].Name {
return nodes.Shard{}, nodes.ErrVirtualStorageNotExist
}
return nodes.Shard{
Primary: &nodes.MockNode{
GetStorageMethod: func() string { return referenceCfg.Storages[0].Name },
Conn: referenceConn,
Healthy: true,
},
Secondaries: []nodes.Node{&nodes.MockNode{
GetStorageMethod: func() string { return targetCfg.Storages[0].Name },
Conn: targetConn,
Healthy: true,
}},
}, nil
},
}
praefectAddr := testhelper.GetTemporaryGitalySocketFileName(t)
praefectListener, err := net.Listen("unix", praefectAddr)
require.NoError(t, err)
defer praefectListener.Close()
queue := datastore.NewReplicationEventQueueInterceptor(datastore.NewMemoryReplicationEventQueue(conf))
queue.OnEnqueue(func(ctx context.Context, e datastore.ReplicationEvent, q datastore.ReplicationEventQueue) (datastore.ReplicationEvent, error) {
if e.Job.RelativePath == secondRepoPath {
return datastore.ReplicationEvent{}, assert.AnError
}
return datastore.ReplicationEvent{ID: 1}, nil
})
// praefect instance setup
praefectSrv := grpc.NewServer()
defer praefectSrv.Stop()
gitalypb.RegisterPraefectInfoServiceServer(praefectSrv, NewServer(nm, conf, queue, nil, nil, nil, nil))
go praefectSrv.Serve(praefectListener)
praefectConn, err := client.Dial("unix://"+praefectAddr, nil)
require.NoError(t, err)
defer praefectConn.Close()
infoClient := gitalypb.NewPraefectInfoServiceClient(praefectConn)
execAndVerify := func(t *testing.T, req gitalypb.ConsistencyCheckRequest, verify func(*testing.T, []*gitalypb.ConsistencyCheckResponse, error)) {
t.Helper()
response, err := infoClient.ConsistencyCheck(ctx, &req)
require.NoError(t, err)
var results []*gitalypb.ConsistencyCheckResponse
var result *gitalypb.ConsistencyCheckResponse
for {
result, err = response.Recv()
if err != nil {
break
}
results = append(results, result)
}
if err == io.EOF {
err = nil
}
verify(t, results, err)
}
t.Run("all in sync", func(t *testing.T) {
req := gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: targetStorageName,
ReferenceStorage: referenceStorageName,
DisableReconcilliation: true,
}
execAndVerify(t, req, func(t *testing.T, responses []*gitalypb.ConsistencyCheckResponse, err error) {
require.NoError(t, err)
require.Equal(t, []*gitalypb.ConsistencyCheckResponse{
{
RepoRelativePath: firstRepoPath,
ReferenceStorage: referenceStorageName,
TargetChecksum: checksum,
ReferenceChecksum: checksum,
},
}, responses)
})
})
// secondRepoPath generates an error, but it should not stop other repositories from being processed.
// Order does matter for the test to verify the flow.
gittest.CloneRepoAtStorage(t, referenceCfg, referenceCfg.Storages[0], secondRepoPath)
// thirdRepoPath exists only on the reference storage (where traversal happens).
gittest.CloneRepoAtStorage(t, referenceCfg, referenceCfg.Storages[0], thirdRepoPath)
// not.git is a folder on the reference storage that should be skipped as it is not a git repository.
require.NoError(t, os.MkdirAll(filepath.Join(referenceCfg.Storages[0].Path, "not.git"), os.ModePerm))
expErrStatus := status.Error(codes.Internal, errReconciliationInternal.Error())
for _, tc := range []struct {
desc string
req gitalypb.ConsistencyCheckRequest
verify func(*testing.T, []*gitalypb.ConsistencyCheckResponse, error)
}{
{
desc: "with replication event created",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: targetStorageName,
ReferenceStorage: referenceStorageName,
DisableReconcilliation: false,
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
require.Equal(t, expErrStatus, err)
require.Equal(t, []*gitalypb.ConsistencyCheckResponse{
{
RepoRelativePath: firstRepoPath,
TargetChecksum: checksum,
ReferenceChecksum: checksum,
ReplJobId: 0,
ReferenceStorage: referenceStorageName,
},
{
RepoRelativePath: secondRepoPath,
TargetChecksum: "",
ReferenceChecksum: checksum,
ReplJobId: 0,
ReferenceStorage: referenceStorageName,
Errors: []string{assert.AnError.Error()},
},
{
RepoRelativePath: thirdRepoPath,
TargetChecksum: "",
ReferenceChecksum: checksum,
ReplJobId: 1,
ReferenceStorage: referenceStorageName,
},
}, resp)
},
},
{
desc: "without replication event",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: targetStorageName,
ReferenceStorage: referenceStorageName,
DisableReconcilliation: true,
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
require.NoError(t, err)
require.Equal(t, []*gitalypb.ConsistencyCheckResponse{
{
RepoRelativePath: firstRepoPath,
TargetChecksum: checksum,
ReferenceChecksum: checksum,
ReplJobId: 0,
ReferenceStorage: referenceStorageName,
},
{
RepoRelativePath: secondRepoPath,
TargetChecksum: "",
ReferenceChecksum: checksum,
ReplJobId: 0,
ReferenceStorage: referenceStorageName,
},
{
RepoRelativePath: thirdRepoPath,
TargetChecksum: "",
ReferenceChecksum: checksum,
ReplJobId: 0,
ReferenceStorage: referenceStorageName,
},
}, resp)
},
},
{
desc: "no target",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: "",
ReferenceStorage: targetStorageName,
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
require.Equal(t, status.Error(codes.InvalidArgument, "missing target storage"), err)
},
},
{
desc: "unknown target",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: "unknown",
ReferenceStorage: targetStorageName,
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
require.Equal(t, status.Error(codes.NotFound, `unable to find target storage "unknown"`), err)
},
},
{
desc: "no reference",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: referenceStorageName,
ReferenceStorage: "",
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
expErr := status.Error(
codes.InvalidArgument,
fmt.Sprintf(`target storage %q is same as current primary, must provide alternate reference`, referenceStorageName),
)
require.Equal(t, expErr, err)
},
},
{
desc: "unknown reference",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: referenceStorageName,
ReferenceStorage: "unknown",
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
expErr := status.Error(
codes.NotFound,
fmt.Sprintf(`unable to find reference storage "unknown" in nodes for shard %q`, virtualStorage),
)
require.Equal(t, expErr, err)
},
},
{
desc: "same storage",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: referenceStorageName,
ReferenceStorage: referenceStorageName,
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
expErr := status.Error(
codes.InvalidArgument,
fmt.Sprintf(`target storage %q cannot match reference storage %q`, referenceStorageName, referenceStorageName),
)
require.Equal(t, expErr, err)
},
},
{
desc: "no virtual",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: "",
TargetStorage: referenceStorageName,
ReferenceStorage: targetStorageName,
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
require.Equal(t, status.Error(codes.InvalidArgument, "missing virtual storage"), err)
},
},
{
desc: "unknown virtual",
req: gitalypb.ConsistencyCheckRequest{
VirtualStorage: "unknown",
TargetStorage: referenceStorageName,
ReferenceStorage: "unknown",
},
verify: func(t *testing.T, resp []*gitalypb.ConsistencyCheckResponse, err error) {
require.Equal(t, status.Error(codes.NotFound, "virtual storage does not exist"), err)
},
},
} {
t.Run(tc.desc, func(t *testing.T) {
execAndVerify(t, tc.req, tc.verify)
})
}
// this case needs to be the last as it terminates one of the gitaly instances
t.Run("one of gitalies is unreachable", func(t *testing.T) {
targetGitaly.Shutdown()
req := gitalypb.ConsistencyCheckRequest{
VirtualStorage: virtualStorage,
TargetStorage: targetStorageName,
ReferenceStorage: referenceStorageName,
DisableReconcilliation: true,
}
execAndVerify(t, req, func(t *testing.T, responses []*gitalypb.ConsistencyCheckResponse, err error) {
t.Helper()
require.Equal(t, expErrStatus, err)
errs := []string{
fmt.Sprintf("rpc error: code = Unavailable desc = connection error: desc = \"transport: Error while dialing dial unix //%s: connect: no such file or directory\"", strings.TrimPrefix(targetGitaly.Address(), "unix://")),
"rpc error: code = Canceled desc = context canceled",
}
require.Equal(t, []*gitalypb.ConsistencyCheckResponse{
{
RepoRelativePath: firstRepoPath,
ReferenceStorage: referenceStorageName,
Errors: errs,
},
{
RepoRelativePath: secondRepoPath,
ReferenceStorage: referenceStorageName,
Errors: errs,
},
{
RepoRelativePath: thirdRepoPath,
ReferenceStorage: referenceStorageName,
Errors: errs,
},
}, responses)
})
})
}
|