cluster

package
v5.0.0-preview.1+incom... Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 13, 2022 License: Apache-2.0 Imports: 29 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ClusterNotifyAdd = iota
	ClusterNotifyModify
	ClusterNotifyDelete
	ClusterNotifyStateOnline
	ClusterNotifyStateOffline
)
View Source 
const (
	NodeRoleServer = iota
	NodeRoleClient
)
View Source 
const (
	NodeStateAlive = iota
	NodeStateLeft
	NodeStateFail
)
View Source 
const CLUSUniackStore string = "uniack/"
View Source 
const CLUSUnicastStore string = "unicast/"
View Source 
const CONSUL_KV_BASE_URL = "http://localhost:8500/v1/kv"
View Source 
const DefaultAgentGRPCPort = 18401
View Source 
const DefaultControllerGRPCPort = 18400
View Source 
const DefaultDataCenter string = "neuvector"
View Source 
const DefaultMaxQLen = 4096
View Source 
const DefaultScannerGRPCPort = 18402
View Source 
const GRPCMaxMsgSize = 1024 * 1024 * 32

Variables

View Source 
var ClusterNotifyName = []string{
	ClusterNotifyAdd:          "add",
	ClusterNotifyModify:       "modify",
	ClusterNotifyDelete:       "delete",
	ClusterNotifyStateOnline:  "connect",
	ClusterNotifyStateOffline: "disconnect",
}
View Source 
var ErrEmptyStore error = errors.New("Empty store")
View Source 
var ErrKeyNotFound error = errors.New("Key not found")
View Source 
var ErrQueueFull = errors.New("Queue full")
View Source 
var KVValueSizeMax = 512 * 1024

Functions

func CreateGRPCClient 

func CreateGRPCClient(key, endpoint string, autoRemove bool, create CreateService) error

func Delete 

func Delete(key string) error

func DeleteGRPCClient 

func DeleteGRPCClient(key string)

func DeleteTree 

func DeleteTree(keyPrefix string) error

func Exist 

func Exist(key string) bool

func FillClusterAddrs 

func FillClusterAddrs(cfg *ClusterConfig, sys *system.SystemTools) error

func ForceLeave 

func ForceLeave(node string, server bool)

func Get 

func Get(key string) ([]byte, error)

func GetClusterLead 

func GetClusterLead() string

func GetGRPCClient 

func GetGRPCClient(key string, isCompressed IsCompressedFunc, cb GRPCCallback) (interface{}, error)

func GetGRPCClientEndpoint 

func GetGRPCClientEndpoint(key string) string

func GetRev 

func GetRev(key string) ([]byte, uint64, error)

func GetSelfAddress 

func GetSelfAddress() string

func GetStoreKeys 

func GetStoreKeys(store string) ([]string, error)

func IsControllerGRPCCommpressed 

func IsControllerGRPCCommpressed(endpoint string) bool

func IsEnforcerGRPCCommpressed 

func IsEnforcerGRPCCommpressed(endpoint string) bool

func LeaveCluster 

func LeaveCluster(server bool)

func List 

func List(keyPrefix string) (consulapi.KVPairs, error)

func PauseAllWatchers 

func PauseAllWatchers(includeMonitorWatch bool)

func PauseWatcher 

func PauseWatcher(key string)

func Put 

func Put(key string, value []byte) error

func PutBinary 

func PutBinary(key string, value []byte) error

func PutIfNotExist 

func PutIfNotExist(key string, value []byte, logKeyOnly bool) error

The difference between putRev(k, v, 0) and PutIfNotExist(k, v) is the later return nil error when the key exists

func PutQuiet 

func PutQuiet(key string, value []byte) error

func PutQuietRev 

func PutQuietRev(key string, value []byte, rev uint64) error

func PutRev 

func PutRev(key string, value []byte, rev uint64) error

func RegisterKeyWatcher 

func RegisterKeyWatcher(key string, f KeyWatcher)

func RegisterLeadChangeWatcher 

func RegisterLeadChangeWatcher(fn LeadChangeCallback, lead string)

func RegisterNodeWatcher 

func RegisterNodeWatcher(f NodeWatcher)

func RegisterStateWatcher 

func RegisterStateWatcher(f StateWatcher)

func RegisterStoreWatcher 

func RegisterStoreWatcher(store string, f StoreWatcher, bCongestCtl bool)

func RegisterWatcherMonitor 

func RegisterWatcherMonitor(failFunc func() bool, recoverFunc func())

func ResolveJoinAndBindAddr 

func ResolveJoinAndBindAddr(joinAddr string, sys *system.SystemTools) (string, string, error)

func ResumeAllWatchers 

func ResumeAllWatchers()

func ResumeWatcher 

func ResumeWatcher(key string)

func SetLogLevel 

func SetLogLevel(level log.Level)

func SetWatcherCongestionCtl 

func SetWatcherCongestionCtl(key string, enabled bool)

func StartCluster 

func StartCluster(cc *ClusterConfig) (string, error)

Types

type CLUSUnicast 

type CLUSUnicast struct {
	Expect string `json:"expect"`
	Data   []byte `json:"data"`
}

type ClusterConfig 

type ClusterConfig struct {
	ID       string
	Server   bool
	Debug    bool
	Ifaces   map[string][]share.CLUSIPAddr
	JoinAddr string

	BindAddr      string
	AdvertiseAddr string
	DataCenter    string
	RPCPort       uint
	LANPort       uint
	WANPort       uint
	EnableDebug   bool
	// contains filtered or unexported fields
}

type ClusterDriver 

type ClusterDriver interface {
	Start(cc *ClusterConfig, eCh chan error, recover bool)
	Join(cc *ClusterConfig) error
	Leave(server bool) error
	ForceLeave(node string, server bool) error
	Reload(cc *ClusterConfig) error

	GetSelfAddress() string
	GetLead() (string, error)
	ServerAlive() (bool, error)
	GetAllMembers() []ClusterMemberInfo

	NewLock(key string, wait time.Duration) (LockInterface, error)
	NewSession(name string, ttl time.Duration) (SessionInterface, error)

	// KV
	Exist(key string) bool
	Get(key string) ([]byte, error)
	GetRev(key string) ([]byte, uint64, error)
	GetStoreKeys(store string) ([]string, error)
	Put(key string, value []byte) error
	PutRev(key string, value []byte, rev uint64) error
	PutIfNotExist(key string, value []byte) error
	Delete(key string) error
	List(keyPrefix string) (consulapi.KVPairs, error)
	DeleteTree(keyPrefix string) error
	Transact([]transactEntry) (bool, error)

	// Watcher
	RegisterKeyWatcher(key string, watcher KeyWatcher)
	RegisterStoreWatcher(store string, watcher StoreWatcher, bCongestCtl bool)
	RegisterStateWatcher(watcher StateWatcher)
	RegisterNodeWatcher(watcher NodeWatcher)
	RegisterWatcherMonitor(failFunc func() bool, recoverFunc func())
	RegisterExistingWatchers()

	StopAllWatchers()
	PauseAllWatchers(includeMonitorWatch bool)
	ResumeAllWatchers()
	PauseWatcher(key string)
	ResumeWatcher(key string)
	SetWatcherCongestionCtl(key string, enabled bool)
}

type ClusterMemberInfo 

type ClusterMemberInfo struct {
	Name  string
	Role  int
	State int
}

func GetAllMembers 

func GetAllMembers() []ClusterMemberInfo

type ClusterNotifyType 

type ClusterNotifyType int

type ClusterTransact 

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

func Transact 

func Transact() *ClusterTransact

func (*ClusterTransact) Apply 

func (t *ClusterTransact) Apply() (bool, error)

func (*ClusterTransact) CheckRev 

func (t *ClusterTransact) CheckRev(key string, rev uint64)

func (*ClusterTransact) Close 

func (t *ClusterTransact) Close()

func (*ClusterTransact) Delete 

func (t *ClusterTransact) Delete(key string)

func (*ClusterTransact) DeleteRev 

func (t *ClusterTransact) DeleteRev(key string, rev uint64)

func (*ClusterTransact) HasData 

func (t *ClusterTransact) HasData() bool

func (*ClusterTransact) Put 

func (t *ClusterTransact) Put(key string, value []byte)

func (*ClusterTransact) PutBinary 

func (t *ClusterTransact) PutBinary(key string, value []byte)

func (*ClusterTransact) PutQuiet 

func (t *ClusterTransact) PutQuiet(key string, value []byte)

func (*ClusterTransact) PutRev 

func (t *ClusterTransact) PutRev(key string, value []byte, rev uint64)

func (*ClusterTransact) Reset 

func (t *ClusterTransact) Reset()

func (*ClusterTransact) Size 

func (t *ClusterTransact) Size() int

type CreateService 

type CreateService func(conn *grpc.ClientConn) Service

type GRPCCallback 

type GRPCCallback interface {
	Shutdown()
}

type GRPCClient 

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

func (*GRPCClient) Close 

func (c *GRPCClient) Close()

func (*GRPCClient) GetClient 

func (c *GRPCClient) GetClient() *grpc.ClientConn

type GRPCServer 

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

func NewGRPCServerTCP 

func NewGRPCServerTCP(endpoint string) (*GRPCServer, error)

func NewGRPCServerUnix 

func NewGRPCServerUnix(socket string) (*GRPCServer, error)

func (*GRPCServer) GetServer 

func (s *GRPCServer) GetServer() *grpc.Server

func (*GRPCServer) GracefulStop 

func (s *GRPCServer) GracefulStop()

func (*GRPCServer) Start 

func (s *GRPCServer) Start()

func (*GRPCServer) Stop 

func (s *GRPCServer) Stop()

type IsCompressedFunc 

type IsCompressedFunc func(endpoint string) bool

type KeyWatcher 

type KeyWatcher func(ClusterNotifyType, string, []byte, uint64)

type LeadChangeCallback 

type LeadChangeCallback func(string, string)

type LockInterface 

type LockInterface interface {
	Lock(stopCh <-chan struct{}) (<-chan struct{}, error)
	Unlock() error
	Key() string
}

func NewLock 

func NewLock(key string, wait time.Duration) (LockInterface, error)

type MessengerInterface 

type MessengerInterface interface {
	Unicast(target string, subject string, data []byte,
		cb UnicastCallback, timeout int, args ...interface{}) error
	UnicastStore(target string) string
	UnicastKey2Subject(key string) string
	UniackStore() string
	UniackUpdateHandler(nType ClusterNotifyType, key string, value []byte, unused uint64)
}

func NewMessenger 

func NewMessenger(hostID string, devID string) MessengerInterface

type MockEvQueue 

type MockEvQueue struct {
}

func (*MockEvQueue) Append 

func (evq *MockEvQueue) Append(interface{}) error

func (*MockEvQueue) Flush 

func (evq *MockEvQueue) Flush() error

type MockMessenger 

type MockMessenger struct {
}

func (*MockMessenger) UniackStore 

func (msgr *MockMessenger) UniackStore() string

func (*MockMessenger) UniackUpdateHandler 

func (msgr *MockMessenger) UniackUpdateHandler(nType ClusterNotifyType, key string, value []byte, unused uint64)

func (*MockMessenger) Unicast 

func (msgr *MockMessenger) Unicast(target string, subject string, data []byte,
	cb UnicastCallback, timeout int, args ...interface{}) error

func (*MockMessenger) UnicastKey2Subject 

func (msgr *MockMessenger) UnicastKey2Subject(key string) string

func (*MockMessenger) UnicastStore 

func (msgr *MockMessenger) UnicastStore(target string) string

type NodeWatcher 

type NodeWatcher func(ClusterNotifyType, string, string)

type ObjectQueueInterface 

type ObjectQueueInterface interface {
	Append(obj interface{}) error
	Flush() error
}

func NewObjectQueue 

func NewObjectQueue(key string, maxQLen int) ObjectQueueInterface

type Service 

type Service interface{}

* ---------------------------------------------------- * ---------- Client management ----------------------- * ----------------------------------------------------

type SessionInterface 

type SessionInterface interface {
	Associate(key string) error
	Disassociate(key string) error
}

Session is a mechanism to implement short-lived keys. When the session is created, a TTL value is given. Keys are "associated" with the session will be deleted when the session expires.

func NewSession 

func NewSession(name string, ttl time.Duration) (SessionInterface, error)

type StateWatcher 

type StateWatcher func(ClusterNotifyType, string, string)

type StoreWatcher 

type StoreWatcher func(ClusterNotifyType, string, []byte, uint64)

type UnicastCallback 

type UnicastCallback func(string, []byte, ...interface{})

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