etcdserver: Rename membershipStore to membershipBackend
parent
2f31cc3fbc
commit
6cd3633543
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@ -311,7 +311,7 @@ func saveDB(lg *zap.Logger, destDB, srcDB string, idx uint64, term uint64, desir
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be := backend.NewDefaultBackend(destDB)
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defer be.Close()
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ms := schema.NewMembershipStore(lg, be)
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ms := schema.NewMembershipBackend(lg, be)
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if err := ms.TrimClusterFromBackend(); err != nil {
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lg.Fatal("bbolt tx.Membership failed", zap.Error(err))
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}
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@ -306,7 +306,7 @@ func (s *v3Manager) saveDB() error {
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be := backend.NewDefaultBackend(s.outDbPath())
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defer be.Close()
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err = schema.NewMembershipStore(s.lg, be).TrimMembershipFromBackend()
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err = schema.NewMembershipBackend(s.lg, be).TrimMembershipFromBackend()
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if err != nil {
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return err
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}
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@ -403,7 +403,7 @@ func (s *v3Manager) saveWALAndSnap() (*raftpb.HardState, error) {
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s.cl.SetStore(st)
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be := backend.NewDefaultBackend(s.outDbPath())
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defer be.Close()
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s.cl.SetBackend(schema.NewMembershipStore(s.lg, be))
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s.cl.SetBackend(schema.NewMembershipBackend(s.lg, be))
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for _, m := range s.cl.Members() {
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s.cl.AddMember(m, true)
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}
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@ -200,7 +200,7 @@ func bootstrapExistingClusterNoWAL(cfg config.ServerConfig, prt http.RoundTrippe
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remotes := existingCluster.Members()
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cl.SetID(types.ID(0), existingCluster.ID())
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cl.SetStore(st)
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cl.SetBackend(schema.NewMembershipStore(cfg.Logger, be))
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cl.SetBackend(schema.NewMembershipBackend(cfg.Logger, be))
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br := bootstrapRaftFromCluster(cfg, cl, nil)
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cl.SetID(br.wal.id, existingCluster.ID())
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return &bootstrappedServer{
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@ -240,7 +240,7 @@ func bootstrapNewClusterNoWAL(cfg config.ServerConfig, prt http.RoundTripper, st
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}
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}
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cl.SetStore(st)
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cl.SetBackend(schema.NewMembershipStore(cfg.Logger, be))
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cl.SetBackend(schema.NewMembershipBackend(cfg.Logger, be))
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br := bootstrapRaftFromCluster(cfg, cl, cl.MemberIDs())
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cl.SetID(br.wal.id, cl.ID())
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return &bootstrappedServer{
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@ -330,7 +330,7 @@ func bootstrapWithWAL(cfg config.ServerConfig, st v2store.Store, be backend.Back
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}
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r.raft.cl.SetStore(st)
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r.raft.cl.SetBackend(schema.NewMembershipStore(cfg.Logger, be))
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r.raft.cl.SetBackend(schema.NewMembershipBackend(cfg.Logger, be))
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r.raft.cl.Recover(api.UpdateCapability)
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if r.raft.cl.Version() != nil && !r.raft.cl.Version().LessThan(semver.Version{Major: 3}) && !beExist {
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bepath := cfg.BackendPath()
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@ -1075,7 +1075,7 @@ func (s *EtcdServer) applySnapshot(ep *etcdProgress, apply *apply) {
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lg.Info("restored v2 store")
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s.cluster.SetBackend(schema.NewMembershipStore(lg, newbe))
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s.cluster.SetBackend(schema.NewMembershipBackend(lg, newbe))
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lg.Info("restoring cluster configuration")
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@ -31,19 +31,19 @@ const (
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MemberRaftAttributesSuffix = "raftAttributes"
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)
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type membershipStore struct {
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type membershipBackend struct {
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lg *zap.Logger
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be backend.Backend
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}
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func NewMembershipStore(lg *zap.Logger, be backend.Backend) *membershipStore {
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return &membershipStore{
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func NewMembershipBackend(lg *zap.Logger, be backend.Backend) *membershipBackend {
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return &membershipBackend{
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lg: lg,
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be: be,
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}
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}
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func (s *membershipStore) MustSaveMemberToBackend(m *membership.Member) {
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func (s *membershipBackend) MustSaveMemberToBackend(m *membership.Member) {
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mkey := BackendMemberKey(m.ID)
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mvalue, err := json.Marshal(m)
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if err != nil {
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@ -58,7 +58,7 @@ func (s *membershipStore) MustSaveMemberToBackend(m *membership.Member) {
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// TrimClusterFromBackend removes all information about cluster (versions)
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// from the v3 backend.
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func (s *membershipStore) TrimClusterFromBackend() error {
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func (s *membershipBackend) TrimClusterFromBackend() error {
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tx := s.be.BatchTx()
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tx.Lock()
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defer tx.Unlock()
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@ -66,7 +66,7 @@ func (s *membershipStore) TrimClusterFromBackend() error {
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return nil
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}
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func (s *membershipStore) MustDeleteMemberFromBackend(id types.ID) {
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func (s *membershipBackend) MustDeleteMemberFromBackend(id types.ID) {
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mkey := BackendMemberKey(id)
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tx := s.be.BatchTx()
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@ -76,7 +76,7 @@ func (s *membershipStore) MustDeleteMemberFromBackend(id types.ID) {
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tx.UnsafePut(MembersRemoved, mkey, []byte("removed"))
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}
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func (s *membershipStore) MustReadMembersFromBackend() (map[types.ID]*membership.Member, map[types.ID]bool) {
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func (s *membershipBackend) MustReadMembersFromBackend() (map[types.ID]*membership.Member, map[types.ID]bool) {
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members, removed, err := s.readMembersFromBackend()
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if err != nil {
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s.lg.Panic("couldn't read members from backend", zap.Error(err))
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@ -84,7 +84,7 @@ func (s *membershipStore) MustReadMembersFromBackend() (map[types.ID]*membership
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return members, removed
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}
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func (s *membershipStore) readMembersFromBackend() (map[types.ID]*membership.Member, map[types.ID]bool, error) {
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func (s *membershipBackend) readMembersFromBackend() (map[types.ID]*membership.Member, map[types.ID]bool, error) {
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members := make(map[types.ID]*membership.Member)
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removed := make(map[types.ID]bool)
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@ -117,7 +117,7 @@ func (s *membershipStore) readMembersFromBackend() (map[types.ID]*membership.Mem
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// TrimMembershipFromBackend removes all information about members &
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// removed_members from the v3 backend.
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func (s *membershipStore) TrimMembershipFromBackend() error {
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func (s *membershipBackend) TrimMembershipFromBackend() error {
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s.lg.Info("Trimming membership information from the backend...")
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tx := s.be.BatchTx()
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tx.Lock()
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@ -141,7 +141,7 @@ func (s *membershipStore) TrimMembershipFromBackend() error {
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// MustSaveClusterVersionToBackend saves cluster version to backend.
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// The field is populated since etcd v3.5.
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func (s *membershipStore) MustSaveClusterVersionToBackend(ver *semver.Version) {
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func (s *membershipBackend) MustSaveClusterVersionToBackend(ver *semver.Version) {
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ckey := ClusterClusterVersionKeyName
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tx := s.be.BatchTx()
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@ -152,7 +152,7 @@ func (s *membershipStore) MustSaveClusterVersionToBackend(ver *semver.Version) {
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// MustSaveDowngradeToBackend saves downgrade info to backend.
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// The field is populated since etcd v3.5.
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func (s *membershipStore) MustSaveDowngradeToBackend(downgrade *membership.DowngradeInfo) {
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func (s *membershipBackend) MustSaveDowngradeToBackend(downgrade *membership.DowngradeInfo) {
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dkey := ClusterDowngradeKeyName
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dvalue, err := json.Marshal(downgrade)
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if err != nil {
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@ -164,7 +164,7 @@ func (s *membershipStore) MustSaveDowngradeToBackend(downgrade *membership.Downg
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tx.UnsafePut(Cluster, dkey, dvalue)
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}
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func (s *membershipStore) MustCreateBackendBuckets() {
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func (s *membershipBackend) MustCreateBackendBuckets() {
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tx := s.be.BatchTx()
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tx.Lock()
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defer tx.Unlock()
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@ -183,7 +183,7 @@ func mustParseMemberIDFromBytes(lg *zap.Logger, key []byte) types.ID {
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// ClusterVersionFromBackend reads cluster version from backend.
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// The field is populated since etcd v3.5.
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func (s *membershipStore) ClusterVersionFromBackend() *semver.Version {
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func (s *membershipBackend) ClusterVersionFromBackend() *semver.Version {
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ckey := ClusterClusterVersionKeyName
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tx := s.be.ReadTx()
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tx.RLock()
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@ -203,7 +203,7 @@ func (s *membershipStore) ClusterVersionFromBackend() *semver.Version {
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// DowngradeInfoFromBackend reads downgrade info from backend.
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// The field is populated since etcd v3.5.
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func (s *membershipStore) DowngradeInfoFromBackend() *membership.DowngradeInfo {
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func (s *membershipBackend) DowngradeInfoFromBackend() *membership.DowngradeInfo {
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dkey := ClusterDowngradeKeyName
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tx := s.be.ReadTx()
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tx.Lock()
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