praefect

package
v14.10.5 Latest Latest
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 Go to latest Published: Jun 30, 2022 License: MIT Imports: 77 Imported by: 0

Documentation

Overview

Package praefect is a Gitaly reverse proxy for transparently routing gRPC calls to a set of Gitaly services.

Index

Constants

This section is empty.

Variables

View Source 
var ErrNoHealthyNodes = errors.New("no healthy nodes")

ErrNoHealthyNodes is returned when there are no healthy nodes to serve a request.

View Source 
var ErrNoSuitableNode = errors.New("no suitable node to serve the request")

ErrNoSuitableNode is returned when there is not suitable node to serve a request.

View Source 
var ErrRepositoryReadOnly = helper.ErrFailedPreconditionf("repository is in read-only mode")

ErrRepositoryReadOnly is returned when the repository is in read-only mode. This happens if the primary does not have the latest changes.

Functions

func DeleteObjectPoolHandler added in v14.10.0 

func DeleteObjectPoolHandler(rs datastore.RepositoryStore, conns Connections) grpc.StreamHandler

DeleteObjectPoolHandler intercepts DeleteObjectPool calls, deletes the database records and deletes the object pool from every backing Gitaly node.

func GetBuildTime 

func GetBuildTime() string

GetBuildTime returns the time at which the build took place

func GetVersion 

func GetVersion() string

GetVersion returns the semver compatible version number

func GetVersionString 

func GetVersionString() string

GetVersionString returns a standard version header

func NewBackchannelServerFactory 

func NewBackchannelServerFactory(logger *logrus.Entry, refSvc gitalypb.RefTransactionServer, registry *sidechannel.Registry) backchannel.ServerFactory

NewBackchannelServerFactory returns a ServerFactory that serves the RefTransactionServer on the backchannel connection.

func NewClockSyncCheck added in v14.8.0 

func NewClockSyncCheck(clockDriftCheck func(ntpHost string, driftThreshold time.Duration) (bool, error)) func(_ config.Config, _ io.Writer, _ bool) *Check

NewClockSyncCheck returns a function that returns a check that verifies if system clock is in sync.

func NewGRPCServer 

func NewGRPCServer(
	conf config.Config,
	logger *logrus.Entry,
	registry *protoregistry.Registry,
	director proxy.StreamDirector,
	txMgr *transactions.Manager,
	rs datastore.RepositoryStore,
	assignmentStore AssignmentStore,
	conns Connections,
	primaryGetter PrimaryGetter,
	creds credentials.TransportCredentials,
	grpcOpts ...grpc.ServerOption,
) *grpc.Server

NewGRPCServer returns gRPC server with registered proxy-handler and actual services praefect serves on its own. It includes a set of unary and stream interceptors required to add logging, authentication, etc.

func RemoveRepositoryHandler added in v14.5.0 

func RemoveRepositoryHandler(rs datastore.RepositoryStore, conns Connections) grpc.StreamHandler

RemoveRepositoryHandler intercepts RemoveRepository calls, deletes the database records and deletes the repository from every backing Gitaly node.

func RepositoryExistsHandler added in v14.4.0 

func RepositoryExistsHandler(rs datastore.RepositoryStore) grpc.StreamHandler

RepositoryExistsHandler handles /gitaly.RepositoryService/RepositoryExists calls by checking whether there is a record of the repository in the database.

func WithDelayMetric 

func WithDelayMetric(h prommetrics.HistogramVec) func(*ReplMgr)

WithDelayMetric is an option to set the delay prometheus metric

func WithDequeueBatchSize 

func WithDequeueBatchSize(size uint) func(*ReplMgr)

WithDequeueBatchSize configures the number of events to dequeue in a single batch.

func WithLatencyMetric 

func WithLatencyMetric(h prommetrics.HistogramVec) func(*ReplMgr)

WithLatencyMetric is an option to set the latency prometheus metric

func WithParallelStorageProcessingWorkers added in v14.4.0 

func WithParallelStorageProcessingWorkers(n uint) func(*ReplMgr)

WithParallelStorageProcessingWorkers configures the number of workers used to process replication events per virtual storage.

Types

type AssignmentGetter 

type AssignmentGetter interface {
	// GetHostAssignments returns the names of the storages assigned to host the repository.
	// The primary node must always be assigned.
	GetHostAssignments(ctx context.Context, virtualStorage string, repositoryID int64) ([]string, error)
}

AssignmentGetter is an interface for getting repository host node assignments.

type AssignmentStore 

type AssignmentStore interface {
	AssignmentGetter
	// SetReplicationFactor sets a repository's replication factor to the desired value and returns the
	// resulting assignments.
	SetReplicationFactor(ctx context.Context, virtualStorage, relativePath string, replicationFactor int) ([]string, error)
}

AssignmentStore is the interface which Praefect uses to operate on repository assignments.

func NewDisabledAssignmentStore 

func NewDisabledAssignmentStore(storages map[string][]string) AssignmentStore

NewDisabledAssignmentStore returns an assignments store that can be used if no database is configured. It returns every configured storage as assigned and errors when trying to set assignments.

type Backoff added in v14.4.0 

type Backoff func() time.Duration

Backoff returns next backoff.

type BackoffFactory added in v14.4.0 

type BackoffFactory interface {
	// Create return new backoff provider and a reset function for it.
	Create() (Backoff, BackoffReset)
}

BackoffFactory creates backoff function and a reset pair for it.

type BackoffReset added in v14.4.0 

type BackoffReset func()

BackoffReset resets backoff provider.

type Check added in v14.5.0 

type Check struct {
	Run         func(ctx context.Context) error
	Name        string
	Description string
	Severity    Severity
}

Check is a struct representing a check on the health of a Gitaly cluster's setup. These are separate from the "healthcheck" concept which is more concerned with the health of the praefect service. These checks are meant to diagnose any issues with the praefect cluster setup itself and will be run on startup/restarts.

func NewGitalyNodeConnectivityCheck added in v14.5.0 

func NewGitalyNodeConnectivityCheck(conf config.Config, w io.Writer, quiet bool) *Check

NewGitalyNodeConnectivityCheck returns a check that ensures Praefect can talk to all nodes of all virtual storages

func NewPostgresReadWriteCheck added in v14.6.0 

func NewPostgresReadWriteCheck(conf config.Config, w io.Writer, quiet bool) *Check

NewPostgresReadWriteCheck returns a check that ensures Praefect can read and write to the database

func NewPraefectMigrationCheck added in v14.5.0 

func NewPraefectMigrationCheck(conf config.Config, w io.Writer, quiet bool) *Check

NewPraefectMigrationCheck returns a Check that checks if all praefect migrations have run

func NewUnavailableReposCheck added in v14.7.0 

func NewUnavailableReposCheck(conf config.Config, w io.Writer, quiet bool) *Check

NewUnavailableReposCheck returns a check that finds the number of repositories without a valid primary

type CheckFunc added in v14.5.0 

type CheckFunc func(conf config.Config, w io.Writer, quiet bool) *Check

CheckFunc is a function type that takes a praefect config and returns a Check

type Connections 

type Connections map[string]map[string]*grpc.ClientConn

Connections is a set of connections to configured storage nodes by their virtual storages.

type Coordinator 

type Coordinator struct {
	// contains filtered or unexported fields
}

Coordinator takes care of directing client requests to the appropriate downstream server. The coordinator is thread safe; concurrent calls to register nodes are safe.

func NewCoordinator 

func NewCoordinator(
	queue datastore.ReplicationEventQueue,
	rs datastore.RepositoryStore,
	router Router,
	txMgr *transactions.Manager,
	conf config.Config,
	r *protoregistry.Registry,
) *Coordinator

NewCoordinator returns a new Coordinator that utilizes the provided logger

func (*Coordinator) Collect 

func (c *Coordinator) Collect(metrics chan<- prometheus.Metric)

nolint: revive,stylecheck // This is unintentionally missing documentation.

func (*Coordinator) Describe 

func (c *Coordinator) Describe(descs chan<- *prometheus.Desc)

nolint: revive,stylecheck // This is unintentionally missing documentation.

func (*Coordinator) StreamDirector 

func (c *Coordinator) StreamDirector(ctx context.Context, fullMethodName string, peeker proxy.StreamPeeker) (*proxy.StreamParameters, error)

StreamDirector determines which downstream servers receive requests

type ExpBackoffFactory added in v14.4.0 

type ExpBackoffFactory struct {
	Start, Max time.Duration
}

ExpBackoffFactory creates exponentially growing durations.

func (ExpBackoffFactory) Create added in v14.4.0 

func (b ExpBackoffFactory) Create() (Backoff, BackoffReset)

Create returns a backoff function based on Start and Max time durations.

type HealthChecker 

type HealthChecker interface {
	// HealthyNodes gets a list of healthy storages by their virtual storage.
	HealthyNodes() map[string][]string
}

HealthChecker manages information of locally healthy nodes.

type MetadataVerifier added in v14.10.0 

type MetadataVerifier struct {
	// contains filtered or unexported fields
}

MetadataVerifier verifies the repository metadata against the actual replicas on the Gitaly nodes. It queries the database for replicas that haven't been verified in a given time and checks whether the Gitalys still have them. If a Gitaly doesn't have a replica, the replica's metadata record is removed and the removal logged. The repository's record is still left in place even if all of the replicas are lost to ensure the data loss doesn't go unnoticed.

func NewMetadataVerifier added in v14.10.0 

func NewMetadataVerifier(
	log logrus.FieldLogger,
	db glsql.Querier,
	conns Connections,
	healthChecker HealthChecker,
	verificationInterval time.Duration,
) *MetadataVerifier

NewMetadataVerifier creates a new MetadataVerifier.

func (*MetadataVerifier) Run added in v14.10.0 

func (v *MetadataVerifier) Run(ctx context.Context, ticker helper.Ticker) error

Run runs the metadata verifier. It keeps running until the context is canceled.

type Node 

type Node struct {
	// Storage is the name of the storage node.
	Storage string
	// Address is the address of the node.
	Address string
	// Token is the authentication token of the node.
	Token string
	// Connection is a gRPC connection to the storage node.
	Connection *grpc.ClientConn
}

Node is a storage node in a virtual storage.

type NodeSet 

type NodeSet map[string]map[string]Node

NodeSet contains nodes by their virtual storage and storage names.

func DialNodes 

func DialNodes(
	ctx context.Context,
	virtualStorages []*config.VirtualStorage,
	registry *protoregistry.Registry,
	errorTracker tracker.ErrorTracker,
	handshaker client.Handshaker,
	sidechannelRegistry *sidechannel.Registry,
) (NodeSet, error)

DialNodes dials the configured storage nodes.

func NodeSetFromNodeManager 

func NodeSetFromNodeManager(mgr nodes.Manager) NodeSet

NodeSetFromNodeManager converts connections set up by the node manager in to a NodeSet. This is a temporary adapter required due to cyclic imports between the praefect and nodes packages.

func (NodeSet) Close 

func (set NodeSet) Close()

Close closes the connections in the NodeSet. Errors on closing are ignored.

func (NodeSet) Connections 

func (set NodeSet) Connections() Connections

Connections is a convenience method to return the connections from the NodeSet.

func (NodeSet) HealthClients 

func (set NodeSet) HealthClients() nodes.HealthClients

HealthClients is a convenience method to return the HealthClients from the NodeSet.

type PerRepositoryRouter 

type PerRepositoryRouter struct {
	// contains filtered or unexported fields
}

PerRepositoryRouter implements a router that routes requests respecting per repository primary nodes.

func NewPerRepositoryRouter 

func NewPerRepositoryRouter(
	conns Connections,
	pg PrimaryGetter,
	hc HealthChecker,
	rand Random,
	csg datastore.ConsistentStoragesGetter,
	ag AssignmentGetter,
	rs datastore.RepositoryStore,
	defaultReplicationFactors map[string]int,
) *PerRepositoryRouter

NewPerRepositoryRouter returns a new PerRepositoryRouter using the passed configuration.

func (*PerRepositoryRouter) RouteRepositoryAccessor 

func (r *PerRepositoryRouter) RouteRepositoryAccessor(ctx context.Context, virtualStorage, relativePath string, forcePrimary bool) (RepositoryAccessorRoute, error)

nolint: revive,stylecheck // This is unintentionally missing documentation.

func (*PerRepositoryRouter) RouteRepositoryCreation 

func (r *PerRepositoryRouter) RouteRepositoryCreation(ctx context.Context, virtualStorage, relativePath, additionalRelativePath string) (RepositoryMutatorRoute, error)

RouteRepositoryCreation picks a random healthy node to act as the primary node and selects the secondary nodes if assignments are enabled. Healthy secondaries take part in the transaction, unhealthy secondaries are set as replication targets.

func (*PerRepositoryRouter) RouteRepositoryMaintenance added in v14.10.0 

func (r *PerRepositoryRouter) RouteRepositoryMaintenance(ctx context.Context, virtualStorage, relativePath string) (RepositoryMaintenanceRoute, error)

RouteRepositoryMaintenance will route the maintenance call to all healthy nodes in a best-effort strategy. We do not raise an error in case the primary node is unhealthy, but will in case all nodes are unhealthy.

func (*PerRepositoryRouter) RouteRepositoryMutator 

func (r *PerRepositoryRouter) RouteRepositoryMutator(ctx context.Context, virtualStorage, relativePath, additionalRelativePath string) (RepositoryMutatorRoute, error)

nolint: revive,stylecheck // This is unintentionally missing documentation.

func (*PerRepositoryRouter) RouteStorageAccessor 

func (r *PerRepositoryRouter) RouteStorageAccessor(ctx context.Context, virtualStorage string) (RouterNode, error)

RouteStorageAccessor routes requests for storage-scoped accessor RPCs. The only storage scoped accessor RPC is RemoteService/FindRemoteRepository, which in turn executes a command without a repository. This can be done by any Gitaly server as it doesn't depend on the state on the server.

func (*PerRepositoryRouter) RouteStorageMutator 

func (r *PerRepositoryRouter) RouteStorageMutator(ctx context.Context, virtualStorage string) (StorageMutatorRoute, error)

RouteStorageMutator is not implemented here. The only storage scoped mutator RPC is related to namespace operations. These are not relevant anymore, given hashed storage is default everywhere, and should be eventually removed.

type PrimaryGetter 

type PrimaryGetter interface {
	// GetPrimary returns the primary storage for a given repository.
	GetPrimary(ctx context.Context, virtualStorage string, repositoryID int64) (string, error)
}

PrimaryGetter is an interface for getting a primary of a repository.

type Random 

type Random interface {
	// Intn returns a random integer in the range [0,n).
	Intn(n int) int
	// Shuffle pseudo-randomizes the order of elements. n is the number of elements.
	// Shuffle panics if n < 0. swap swaps the elements with indexes i and j.
	Shuffle(n int, swap func(i, j int))
}

Random is the interface of the Go random number generator.

func NewLockedRandom 

func NewLockedRandom(r Random) Random

NewLockedRandom wraps the passed in Random to make it safe for concurrent use.

type ReplMgr 

type ReplMgr struct {
	// contains filtered or unexported fields
}

ReplMgr is a replication manager for handling replication jobs

func NewReplMgr 

func NewReplMgr(log logrus.FieldLogger, storageNames map[string][]string, queue datastore.ReplicationEventQueue, rs datastore.RepositoryStore, hc HealthChecker, nodes NodeSet, opts ...ReplMgrOpt) ReplMgr

NewReplMgr initializes a replication manager with the provided dependencies and options

func (ReplMgr) Collect 

func (r ReplMgr) Collect(ch chan<- prometheus.Metric)

nolint: revive,stylecheck // This is unintentionally missing documentation.

func (ReplMgr) Describe 

func (r ReplMgr) Describe(ch chan<- *prometheus.Desc)

nolint: revive,stylecheck // This is unintentionally missing documentation.

func (ReplMgr) ProcessBacklog 

func (r ReplMgr) ProcessBacklog(ctx context.Context, b BackoffFactory)

ProcessBacklog starts processing of queued jobs. It will be processing jobs until ctx is Done. ProcessBacklog blocks until all backlog processing goroutines have returned

func (ReplMgr) ProcessReplicationEvent added in v14.6.0 

func (r ReplMgr) ProcessReplicationEvent(ctx context.Context, event datastore.ReplicationEvent, targetCC *grpc.ClientConn) error

ProcessReplicationEvent processes a single replication event given the target client connection

func (ReplMgr) ProcessStale 

func (r ReplMgr) ProcessStale(ctx context.Context, ticker helper.Ticker, staleAfter time.Duration) chan struct{}

ProcessStale starts a background process to acknowledge stale replication jobs. It will process jobs until ctx is Done.

type ReplMgrOpt 

type ReplMgrOpt func(*ReplMgr)

ReplMgrOpt allows a replicator to be configured with additional options

type Replicator 

type Replicator interface {
	// Replicate propagates changes from the source to the target
	Replicate(ctx context.Context, event datastore.ReplicationEvent, source, target *grpc.ClientConn) error
	// Destroy will remove the target repo on the specified target connection
	Destroy(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// Rename will rename(move) the target repo on the specified target connection
	Rename(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// GarbageCollect will run gc on the target repository
	GarbageCollect(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// RepackFull will do a full repack on the target repository
	RepackFull(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// RepackIncremental will do an incremental repack on the target repository
	RepackIncremental(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// Cleanup will do a cleanup on the target repository
	Cleanup(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// PackRefs will optimize references on the target repository
	PackRefs(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// WriteCommitGraph will optimize references on the target repository
	WriteCommitGraph(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// MidxRepack will optimize references on the target repository
	MidxRepack(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// OptimizeRepository will optimize the target repository
	OptimizeRepository(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
	// PruneUnreachableObjects prunes unreachable objects from the target repository
	PruneUnreachableObjects(ctx context.Context, event datastore.ReplicationEvent, target *grpc.ClientConn) error
}

Replicator performs the actual replication logic between two nodes

type RepositoryAccessorRoute added in v14.5.0 

type RepositoryAccessorRoute struct {
	// ReplicaPath is the disk path where the replicas are stored.
	ReplicaPath string
	// Node contains the details of the node that should handle the request.
	Node RouterNode
}

RepositoryAccessorRoute describes how to route a repository scoped accessor call.

type RepositoryMaintenanceRoute added in v14.10.0 

type RepositoryMaintenanceRoute struct {
	// RepositoryID is the repository's ID as Praefect identifies it.
	RepositoryID int64
	// ReplicaPath is the disk path where the replicas are stored.
	ReplicaPath string
	// Nodes contains all the nodes the call should be routed to.
	Nodes []RouterNode
}

RepositoryMaintenanceRoute describes how to route a repository scoped maintenance call.

type RepositoryMutatorRoute 

type RepositoryMutatorRoute struct {
	// RepositoryID is the repository's ID as Praefect identifies it.
	RepositoryID int64
	// ReplicaPath is the disk path where the replicas are stored.
	ReplicaPath string
	// AdditionalReplicaPath is the disk path where the possible additional repository in the request
	// is stored. This is only used for object pools.
	AdditionalReplicaPath string
	// Primary is the primary node of the transaction.
	Primary RouterNode
	// Secondaries are the secondary participating in a transaction.
	Secondaries []RouterNode
	// ReplicationTargets are additional nodes that do not participate in a transaction
	// but need the changes replicated.
	ReplicationTargets []string
}

RepositoryMutatorRoute describes how to route a repository scoped mutator call.

type Router 

type Router interface {
	// RouteStorageAccessor returns the node which should serve the storage accessor request.
	RouteStorageAccessor(ctx context.Context, virtualStorage string) (RouterNode, error)
	// RouteStorageAccessor returns the primary and secondaries that should handle the storage
	// mutator request.
	RouteStorageMutator(ctx context.Context, virtualStorage string) (StorageMutatorRoute, error)
	// RouteRepositoryAccessor returns the node that should serve the repository accessor
	// request. If forcePrimary is set to `true`, it returns the primary node.
	RouteRepositoryAccessor(ctx context.Context, virtualStorage, relativePath string, forcePrimary bool) (RepositoryAccessorRoute, error)
	// RouteRepositoryMutatorTransaction returns the primary and secondaries that should handle the repository mutator request.
	// Additionally, it returns nodes which should have the change replicated to. RouteRepositoryMutator should only be used
	// with existing repositories.
	RouteRepositoryMutator(ctx context.Context, virtualStorage, relativePath, additionalRepoRelativePath string) (RepositoryMutatorRoute, error)
	// RouteRepositoryCreation decides returns the primary and secondaries that should handle the repository creation
	// request. It is up to the caller to store the assignments and primary information after finishing the RPC.
	RouteRepositoryCreation(ctx context.Context, virtualStorage, relativePath, additionalRepoRelativePath string) (RepositoryMutatorRoute, error)
	// RouteRepositoryMaintenance routes the given maintenance-style RPC to all nodes which
	// should perform maintenance. This would typically include all online nodes, regardless of
	// whether the repository hosted by them is up-to-date or not. Maintenance tasks should
	// never be replicated.
	RouteRepositoryMaintenance(ctx context.Context, virtualStorage, relativePath string) (RepositoryMaintenanceRoute, error)
}

Router decides which nodes to direct accessor and mutator RPCs to.

func NewNodeManagerRouter 

func NewNodeManagerRouter(mgr nodes.Manager, rs datastore.RepositoryStore) Router

NewNodeManagerRouter returns a router that uses the NodeManager to make routing decisions.

type RouterNode 

type RouterNode struct {
	// Storage is storage of the node.
	Storage string
	// Connection is the connection to the node.
	Connection *grpc.ClientConn
}

RouterNode is a subset of a node's configuration needed to perform request routing.

type ServerFactory 

type ServerFactory struct {
	// contains filtered or unexported fields
}

ServerFactory is a factory of praefect grpc servers

func NewServerFactory 

func NewServerFactory(
	conf config.Config,
	logger *logrus.Entry,
	director proxy.StreamDirector,
	nodeMgr nodes.Manager,
	txMgr *transactions.Manager,
	queue datastore.ReplicationEventQueue,
	rs datastore.RepositoryStore,
	assignmentStore AssignmentStore,
	registry *protoregistry.Registry,
	conns Connections,
	primaryGetter PrimaryGetter,
) *ServerFactory

NewServerFactory returns factory object for initialization of praefect gRPC servers.

func (*ServerFactory) Create 

func (s *ServerFactory) Create(secure bool) (*grpc.Server, error)

Create returns newly instantiated and initialized with interceptors instance of the gRPC server.

func (*ServerFactory) GracefulStop 

func (s *ServerFactory) GracefulStop()

GracefulStop stops both the secure and insecure servers gracefully.

func (*ServerFactory) Serve 

func (s *ServerFactory) Serve(l net.Listener, secure bool) error

Serve starts serving on the provided listener with newly created grpc.Server

func (*ServerFactory) Stop 

func (s *ServerFactory) Stop()

Stop stops all servers created by the factory.

type Severity added in v14.5.0 

type Severity string

Severity is a type that indicates the severity of a check 

const (
	// Warning indicates a severity level of warning
	Warning Severity = "warning"
	// Fatal indicates a severity level of fatal
	// any checks that are Fatal will prevent Praefect from starting up
	Fatal = "fatal"
)

type StaticHealthChecker 

type StaticHealthChecker map[string][]string

StaticHealthChecker returns the nodes as always healthy.

func (StaticHealthChecker) HealthyNodes 

func (healthyNodes StaticHealthChecker) HealthyNodes() map[string][]string

nolint: revive,stylecheck // This is unintentionally missing documentation.

type StorageMutatorRoute 

type StorageMutatorRoute struct {
	// Primary is the primary node of the routing decision.
	Primary RouterNode
	// Secondaries are the secondary nodes of the routing decision.
	Secondaries []RouterNode
}

StorageMutatorRoute describes how to route a storage scoped mutator call.

Source Files

View all Source files

Directories

Path Synopsis
Package commonerr contains common errors between different Praefect components.
 Package commonerr contains common errors between different Praefect components.
Package datastore provides data models and datastore persistence abstractions for tracking the state of repository replicas.
 Package datastore provides data models and datastore persistence abstractions for tracking the state of repository replicas.
advisorylock
Package advisorylock contains the lock IDs of all advisory locks used in Praefect.
 Package advisorylock contains the lock IDs of all advisory locks used in Praefect.
glsql
Package glsql (Gitaly SQL) is a helper package to work with plain SQL queries.
 Package glsql (Gitaly SQL) is a helper package to work with plain SQL queries.
migrations
grpc-proxy
proxy
Package proxy provides a reverse proxy handler for gRPC.
 Package proxy provides a reverse proxy handler for gRPC.
tracker
info
server
transaction

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