util

package
v0.0.0-...-2416616 Latest Latest
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 Go to latest Published: Apr 15, 2024 License: Apache-2.0 Imports: 44 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	EVENTING_ADMIN_SERVICE = "eventingAdminPort"
	EVENTING_SSL_SERVICE   = "eventingSSL"
)
View Source 
const (
	SYSTEM_EVENT_COMPONENT = "eventing"

	SUB_COMPONENT_EVENTING_PRODUCER = "eventing-producer"

	DEFAULT_TIMEOUT_SECS = 2
)
View Source 
const (
	EVENTID_PRODUCER_STARTUP systemeventlog.EventId = 4096

	EVENTID_CONSUMER_STARTUP systemeventlog.EventId = 4097
	EVENTID_CONSUMER_CRASH   systemeventlog.EventId = 4098

	EVENTID_START_TRACING systemeventlog.EventId = 4099
	EVENTID_STOP_TRACING  systemeventlog.EventId = 4100

	EVENTID_START_DEBUGGER systemeventlog.EventId = 4101
	EVENTID_STOP_DEBUGGER  systemeventlog.EventId = 4102

	EVENTID_CREATE_FUNCTION   systemeventlog.EventId = 4103
	EVENTID_DELETE_FUNCTION   systemeventlog.EventId = 4104
	EVENTID_IMPORT_FUNCTIONS  systemeventlog.EventId = 4105
	EVENTID_EXPORT_FUNCTIONS  systemeventlog.EventId = 4106
	EVENTID_BACKUP_FUNCTION   systemeventlog.EventId = 4107
	EVENTID_RESTORE_FUNCTION  systemeventlog.EventId = 4108
	EVENTID_DEPLOY_FUNCTION   systemeventlog.EventId = 4109
	EVENTID_UNDEPLOY_FUNCTION systemeventlog.EventId = 4110
	EVENTID_PAUSE_FUNCTION    systemeventlog.EventId = 4111
	EVENTID_RESUME_FUNCTION   systemeventlog.EventId = 4112

	EVENTID_CLEANUP_EVENTING systemeventlog.EventId = 4113
	EVENTID_DIE              systemeventlog.EventId = 4114
	EVENTID_TRIGGER_GC       systemeventlog.EventId = 4115
	EVENTID_FREE_OS_MEMORY   systemeventlog.EventId = 4116

	EVENTID_UPDATE_CONFIG    systemeventlog.EventId = 4117
	EVENTID_CLEAR_STATISTICS systemeventlog.EventId = 4118
)
View Source 
const (
	Stop time.Duration = -1

	DefaultInitialInterval     = 1 * time.Second
	DefaultRandomizationFactor = 0.5
	DefaultMultiplier          = 1.5
	DefaultMaxInterval         = 10 * time.Second
	DefaultMaxElapsedTime      = time.Minute
)
View Source 
const (
	EventingAdminService = "eventingAdminPort"
	EventingAdminSSL     = "eventingSSL"
	DataService          = "kv"
	DataServiceSSL       = "kvSSL"
	MgmtService          = "mgmt"
	MgmtServiceSSL       = "mgmtSSL"

	EPSILON = 1e-5
)
View Source 
const BUCKET_UUID_NIL = ""
View Source 
const CLUSTER_INFO_INIT_RETRIES = 5
View Source 
const CLUSTER_INFO_VALIDATION_RETRIES = 10
View Source 
const CLUSTER_VERSION_7 uint32 = 7
View Source 
const (
	MAX_AUTH_RETRIES = 10
)
View Source 
const OBOAuthHeader = "cb-on-behalf-of"

Variables

View Source 
var (
	ErrInvalidNodeId       = errors.New("Invalid NodeId")
	ErrInvalidService      = errors.New("Invalid service")
	ErrNodeNotBucketMember = errors.New("Node is not a member of bucket")
	ErrValidationFailed    = errors.New("ClusterInfo Validation Failed")
)
View Source 
var (
	ErrNodeServicesConnect = errors.New("Internal services API connection closed")
	ErrNodeServicesCancel  = errors.New("Cancelled services change notifier")
	ErrNotifierInvalid     = errors.New("Notifier invalidated due to internal error")
)
View Source 
var (
	CrcTable *crc32.Table
	TCP_REQ  = "required"
	TCP_OPT  = "optional"
	TCP_OFF  = "off"

	HTTPRequestTimeout = 10 * time.Second
)
View Source 
var AppNotExist = errors.New("App content doesn't exist or is empty")
View Source 
var DefaultClient = &Client{}
View Source 
var ErrWildcardNotAllowed = errors.New("Wildcard not allowed")
View Source 
var ErrorClosed = errors.New("bounded_queue is closed")
View Source 
var ErrorSize = errors.New("element size is more than max memory quota")
View Source 
var GocbCredsRequestCounter = 0
View Source 
var ServiceAddrMap map[string]string
View Source 
var SingletonServicesContainer struct {
	sync.Mutex
	Notifiers map[string]*serviceNotifierInstance
}

Implements nodeServices change notifier system

View Source 
var SystemClock = systemClock{}

Functions

func AppendCredentials 

func AppendCredentials(path, appLocation string, payload []byte) ([]byte, error)

func AppendLangCompat 

func AppendLangCompat(path, appLocation string, payload []byte) ([]byte, error)

func Assert 

func Assert(stmt func() bool)

func BreakpadOn 

func BreakpadOn() bool

func BucketSeqnos 

func BucketSeqnos(cluster, pooln, bucketn string) (l_seqnos []uint64, err error)

BucketSeqnos return list of {{vbno,seqno}..} for all vbuckets. this call might fail due to,

  • concurrent access that can preserve a deleted/failed bucket object.
  • pollForDeletedBuckets() did not get a chance to cleanup a deleted bucket.

in both the cases if the call is retried it should get fixed, provided a valid bucket exists.

func CPUCount 

func CPUCount(log bool) int

func CheckAndGetBktAndScopeIDs 

func CheckAndGetBktAndScopeIDs(fG *common.FunctionScope, restPort string) (string, uint32, error)

func CheckBucketExist 

func CheckBucketExist(bucket, hostaddress string) bool

func CheckIfAppBootstrapOngoing 

func CheckIfAppBootstrapOngoing(urlSuffix string, nodeAddrs []string, query string) (bool, error)

func CheckIfBootstrapOngoing 

func CheckIfBootstrapOngoing(urlSuffix string, nodeAddrs []string) (bool, error)

func CheckIfRebalanceOngoing 

func CheckIfRebalanceOngoing(urlSuffix string, nodeAddrs []string) (bool, error)

func CheckTLSandReplaceProtocol 

func CheckTLSandReplaceProtocol(connStr string, args ...interface{}) string

func ClusterUrl 

func ClusterUrl(cluster string) (string, error)

func CollectSeqnos 

func CollectSeqnos(kvfeeds map[string]*kvConn, bucketLevel bool, cid uint32) (l_seqnos []uint64, err error)

func CollectionAware 

func CollectionAware(hostaddress string) (bool, error)

func CompareSlices 

func CompareSlices(s1, s2 []uint16) bool

func CompareStringSlices 

func CompareStringSlices(s1, s2 []string) bool

func ComposeOBOAuthInfo 

func ComposeOBOAuthInfo(user, domain string) (oboAuthInfo string)

func ComputeMD5 

func ComputeMD5(data []byte) ([]byte, error)

func Condense 

func Condense(vbs []uint16) string

func ConnectBucket 

func ConnectBucket(cluster, pooln, bucketn string) (*couchbase.Bucket,
	uint32, error)

ConnectBucket will instantiate a couchbase-bucket instance with cluster. caller's responsibility to close the bucket. It also returns clusterVersion

func Console 

func Console(clusterAddr string, format string, v ...interface{}) error

Write to the admin console

func Contains 

func Contains(needle interface{}, haystack interface{}) bool

func ContainsIgnoreCase 

func ContainsIgnoreCase(needle string, haystack []string) bool

func ConvertBigEndianToUint64 

func ConvertBigEndianToUint64(cas []byte) (uint64, error)

func CountActiveKVNodes 

func CountActiveKVNodes(bucket, hostaddress string) int

func CurrentEventingNodeAddress 

func CurrentEventingNodeAddress(hostaddress string) (string, error)

func DeepCopy 

func DeepCopy(kv map[string]interface{}) (newKv map[string]interface{})

func DeleteAppContent 

func DeleteAppContent(appPath, checksumPath, appLocation string) error

DeleteAppContent delete handler code

func DeleteStaleAppContent 

func DeleteStaleAppContent(appPath, appLocation string) error

Delete stale app fragments

func Do 

func Do(req *http.Request) (*http.Response, error)

func EncodeAppPayload 

func EncodeAppPayload(app *cm.Application) []byte

func EventingNodesAddresses 

func EventingNodesAddresses(hostaddress string) ([]string, error)

func EventingVer 

func EventingVer() string

func FloatEquals 

func FloatEquals(a, b float64) bool

func GenerateFunctionID 

func GenerateFunctionID() (uint32, error)

func GenerateFunctionInstanceID 

func GenerateFunctionInstanceID() (string, error)

func GenerateRandomNameSuffix 

func GenerateRandomNameSuffix() string

func Get 

func Get(url string) (resp *http.Response, err error)

func GetAggBootstrapAppStatus 

func GetAggBootstrapAppStatus(nodeAddr string, query string, isLocalhost bool) (bool, error)

func GetAggBootstrapStatus 

func GetAggBootstrapStatus(nodeAddr string) (bool, error)

func GetAggBootstrappingApps 

func GetAggBootstrappingApps(urlSuffix string, nodeAddrs []string) (bool, error)

func GetAggPausingApps 

func GetAggPausingApps(urlSuffix string, nodeAddrs []string) (bool, error)

func GetAppNameFromPath 

func GetAppNameFromPath(path string) (string, error)

func GetAppStatus 

func GetAppStatus(urlSuffix string, nodeAddrs []string) (map[string]map[string]string, error)

func GetCluster 

func GetCluster(caller, connstr string, s common.EventingSuperSup) (*gocb.Cluster, error)

func GetConnectionStr 

func GetConnectionStr(kvVBMap map[uint16]string) string

func GetEventProcessingStats 

func GetEventProcessingStats(urlSuffix string, nodeAddrs []string) (map[string]int64, error)

func GetEventingVersion 

func GetEventingVersion(urlSuffix string, nodeAddrs []string) ([]string, error)

func GetHash 

func GetHash(appCode string) string

func GetIPMode 

func GetIPMode() string

func GetLogLevel 

func GetLogLevel(logLevel string) logging.LogLevel

func GetNetworkProtocol 

func GetNetworkProtocol() string

func GetNodeUUIDs 

func GetNodeUUIDs(urlSuffix string, nodeAddrs []string) (map[string]string, error)

func GetProgress 

func GetProgress(urlSuffix string, nodeAddrs []string) (*cm.RebalanceProgress, map[string]interface{}, map[string]error)

func GetRestPort 

func GetRestPort() string

func GetSecurityConfig 

func GetSecurityConfig() *common.SecuritySetting

func GetSeqnos 

func GetSeqnos(args ...interface{}) error

func GetSystemEventInfo 

func GetSystemEventInfo(eventId systemeventlog.EventId) (systemeventlog.SystemEventInfo, error)
func Head(url string) (resp *http.Response, err error)

func IgnorePurgeSeqFlagAvailable 

func IgnorePurgeSeqFlagAvailable(hostaddress string) (bool, error)

func InitialiseSystemEventLogger 

func InitialiseSystemEventLogger(restPort string)

func IsIPv6 

func IsIPv6() bool

func IsSyncGatewayEnabled 

func IsSyncGatewayEnabled(caller string, keySpace *common.Keyspace, restPort string, s common.EventingSuperSup) (enabled bool, err error)

func KVNodesAddresses 

func KVNodesAddresses(hostaddress, bucket string) ([]string, error)

func KVVbMap 

func KVVbMap(bucket, hostaddress string) (map[uint16]string, error)

func KillProcess 

func KillProcess(pid int) error

func ListChildren 

func ListChildren(path string) ([]string, error)

func LocalEventingServiceHost 

func LocalEventingServiceHost(hostaddress string) (string, error)

func LocalKey 

func LocalKey() (usr, key string)

func Localhost 

func Localhost() string

func LogSystemEvent 

func LogSystemEvent(eventId systemeventlog.EventId,
	severity systemeventlog.EventSeverity, extraAttributes interface{})

func MaxFunctionSize 

func MaxFunctionSize() int

func MaybeCompress 

func MaybeCompress(payload []byte, compressPayload bool) ([]byte, error)

func MaybeDecompress 

func MaybeDecompress(payload []byte) ([]byte, error)

func MemcachedErrCode 

func MemcachedErrCode(err error) gomemcached.Status

func MetaKvDelete 

func MetaKvDelete(path string, rev interface{}) error

func MetaKvMaxDocSize 

func MetaKvMaxDocSize() int

func MetakvGet 

func MetakvGet(path string) ([]byte, error)

func MetakvRecursiveDelete 

func MetakvRecursiveDelete(dirpath string) error

func MetakvSet 

func MetakvSet(path string, value []byte, rev interface{}) error

func MetakvSetSensitive 

func MetakvSetSensitive(path string, value []byte, rev interface{}) error

func NewRequest 

func NewRequest(method, url string, body io.Reader) (*http.Request, error)

func NsServerNodesAddresses 

func NsServerNodesAddresses(hostaddress string) ([]string, error)

func ParseFunctionPayload 

func ParseFunctionPayload(data []byte, fnName string) cm.Application

func ParseXattrData 

func ParseXattrData(xattrPrefix string, data []byte) (body, xattr []byte, err error)

func Post 

func Post(url string, contentType string, body io.Reader) (resp *http.Response, err error)

func PostForm 

func PostForm(url string, data url.Values) (resp *http.Response, err error)

func ReadAppContent 

func ReadAppContent(appsPath, checksumPath, appLocation string) ([]byte, error)

ReadAppContent reads function code

func ResetStatsCounters 

func ResetStatsCounters(urlSuffix string, nodeAddrs []string) ([]byte, error)

func Retry 

func Retry(b Backoff, retryCount *int64, callback CallbackFunc, args ...interface{}) error

func RoundUpToNearestPowerOf2 

func RoundUpToNearestPowerOf2(number float64) int

func ScopeOrCollectionSeqnos 

func ScopeOrCollectionSeqnos(cluster, pooln, bucketn string,
	id uint32) (l_seqnos []uint64, locationFound bool, err error)

func SeedProcess 

func SeedProcess()

func SetBreakpad 

func SetBreakpad(val bool)

func SetDcpMemcachedTimeout 

func SetDcpMemcachedTimeout(val uint32)

func SetIPFlags 

func SetIPFlags(ipv6Flag, ipv4Flag string)

func SetMaxFunctionSize 

func SetMaxFunctionSize(size int)

func SetMetaKvMaxDocSize 

func SetMetaKvMaxDocSize(size int)

func SetRestPort 

func SetRestPort(flagRestPort string)

One time call

func SetSecurityConfig 

func SetSecurityConfig(config *common.SecuritySetting)

func SetServicePorts 

func SetServicePorts(portMap map[string]string)

func SetUseTLS 

func SetUseTLS(value bool)

func SprintDCPCounts 

func SprintDCPCounts(counts map[mcd.CommandCode]uint64) (string, uint64, time.Time)

func SprintV8Counts 

func SprintV8Counts(counts map[string]uint64) string

func StopDebugger 

func StopDebugger(nodeAddr, appLocation string)

func StrSliceDiff 

func StrSliceDiff(kv1, kv2 []string) []string

func StripCurlCredentials 

func StripCurlCredentials(path, appLocation string, payload []byte) ([]byte, error)

func StripScheme 

func StripScheme(endpoint string) string

func SuperImpose 

func SuperImpose(source, on map[string]interface{}) map[string]interface{}

func ToStr 

func ToStr(value bool) (strValue string)

func ToStringArray 

func ToStringArray(from interface{}) (to []string)

func Uint16SliceDiff 

func Uint16SliceDiff(kv1, kv2 []uint16) []uint16

func ValidateAndCheckKeyspaceExist 

func ValidateAndCheckKeyspaceExist(bucket, scope, collection, hostaddress string, wildcardAllowed bool) error

empty scope and collection argument will check for bucket existence

func VbsSliceDiff 

func VbsSliceDiff(X, Y []uint16) []uint16

func VbucketByKey 

func VbucketByKey(key []byte, numVbuckets int) uint16

VbucketByKey returns doc_id to vbucket mapping

func VbucketDistribution 

func VbucketDistribution(vbs []uint16, numWorkers int) map[int][]uint16

VbucketDistribution is used by vbucket ownership give up and takeover routines during rebalance

func VbucketNodeAssignment 

func VbucketNodeAssignment(vbs []uint16, numWorkers int) map[int][]uint16

VbucketNodeAssignment will be used as generic partitioning scheme for vbucket assignment to Eventing.Consumer and Eventing.Producer instances

func WriteAppContent 

func WriteAppContent(appsPath, checksumPath, appLocation string, payload []byte, compressPayload bool) error

WriteAppContent fragments the payload and store it to metakv

Types

type Backoff 

type Backoff interface {
	NextBackoff() time.Duration
	Reset()
}

type BoundedQueue 

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

func NewBoundedQueue 

func NewBoundedQueue(maxcount, maxsize uint64) *BoundedQueue

func (*BoundedQueue) Close 

func (q *BoundedQueue) Close()

func (*BoundedQueue) Count 

func (q *BoundedQueue) Count() uint64

func (*BoundedQueue) IsClosed 

func (q *BoundedQueue) IsClosed() bool

func (*BoundedQueue) Pop 

func (q *BoundedQueue) Pop() (Element, error)

func (*BoundedQueue) Push 

func (q *BoundedQueue) Push(elem Element) error

type CallbackFunc 

type CallbackFunc func(arg ...interface{}) error

type CbAuthHandler 

type CbAuthHandler struct {
	Hostport string
	Bucket   string
}

cbauth admin authentication helper Uses default cbauth env variables internally to provide auth creds

func (*CbAuthHandler) AuthenticateMemcachedConn 

func (ah *CbAuthHandler) AuthenticateMemcachedConn(host string, conn *memcached.Client) error

func (*CbAuthHandler) GetCredentials 

func (ah *CbAuthHandler) GetCredentials() (string, string)

type Client 

type Client struct {
	http.Client
}

func CheckTLSandGetClient 

func CheckTLSandGetClient(HTTPRequestTimeout time.Duration) *Client

func NewClient 

func NewClient(timeout time.Duration) *Client

func NewTLSClient 

func NewTLSClient(timeout time.Duration, config *common.SecuritySetting) *Client

func (*Client) Delete 

func (c *Client) Delete(url string) (resp *http.Response, err error)

func (*Client) Do 

func (c *Client) Do(req *http.Request) (*http.Response, error)

func (*Client) Get 

func (c *Client) Get(url string) (resp *http.Response, err error)

func (*Client) Head 

func (c *Client) Head(url string) (resp *http.Response, err error)

func (*Client) Post 

func (c *Client) Post(url string, contentType string, body io.Reader) (resp *http.Response, err error)

func (*Client) PostForm 

func (c *Client) PostForm(url string, data url.Values) (resp *http.Response, err error)

type Clock 

type Clock interface {
	Now() time.Time
}

type ClusterInfoCache 

type ClusterInfoCache struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

Helper object for fetching cluster information Can be used by services running on a cluster node to connect with local management service for obtaining cluster information. Info cache can be updated by using Refresh() method.

func FetchNewClusterInfoCache 

func FetchNewClusterInfoCache(clusterUrl string) (*ClusterInfoCache, error)

func (*ClusterInfoCache) Fetch 

func (c *ClusterInfoCache) Fetch(np *couchbase.Pool) error

func (*ClusterInfoCache) FetchManifestInfo 

func (c *ClusterInfoCache) FetchManifestInfo(bucketName string) error

func (*ClusterInfoCache) FetchWithLock 

func (c *ClusterInfoCache) FetchWithLock(np *couchbase.Pool) error

func (*ClusterInfoCache) GetActiveEventingNodes 

func (c *ClusterInfoCache) GetActiveEventingNodes() (nodes []couchbase.Node)

func (*ClusterInfoCache) GetAddressOfActiveKVNodes 

func (c *ClusterInfoCache) GetAddressOfActiveKVNodes() (addresses []string, err error)

func (*ClusterInfoCache) GetAllNodes 

func (c *ClusterInfoCache) GetAllNodes() []*Node

func (*ClusterInfoCache) GetBucketUUID 

func (c *ClusterInfoCache) GetBucketUUID(bucket string) (uuid string)

Return UUID of a given bucket.

func (*ClusterInfoCache) GetBuckets 

func (c *ClusterInfoCache) GetBuckets() []string

func (*ClusterInfoCache) GetClusterVersion 

func (c *ClusterInfoCache) GetClusterVersion() (int, int)

func (*ClusterInfoCache) GetCollectionID 

func (c *ClusterInfoCache) GetCollectionID(bucket, scope, collection string) (uint32, error)

func (*ClusterInfoCache) GetCollectionManifest 

func (c *ClusterInfoCache) GetCollectionManifest(bucketName string) *collections.CollectionManifest

func (*ClusterInfoCache) GetCurrentNode 

func (c *ClusterInfoCache) GetCurrentNode() NodeId

func (*ClusterInfoCache) GetExternalIPOfThisNode 

func (c *ClusterInfoCache) GetExternalIPOfThisNode(hostnames []string) (string, error)

func (*ClusterInfoCache) GetFailedEventingNodes 

func (c *ClusterInfoCache) GetFailedEventingNodes() (nodes []couchbase.Node)

func (*ClusterInfoCache) GetLocalHostAddress 

func (c *ClusterInfoCache) GetLocalHostAddress() (string, error)

func (*ClusterInfoCache) GetLocalHostname 

func (c *ClusterInfoCache) GetLocalHostname() (string, error)

func (*ClusterInfoCache) GetLocalServiceAddress 

func (c *ClusterInfoCache) GetLocalServiceAddress(srvc string) (string, error)

func (*ClusterInfoCache) GetLocalServiceHost 

func (c *ClusterInfoCache) GetLocalServiceHost(srvc string) (string, error)

func (*ClusterInfoCache) GetLocalServicePort 

func (c *ClusterInfoCache) GetLocalServicePort(srvc string) (string, error)

func (*ClusterInfoCache) GetManifestID 

func (c *ClusterInfoCache) GetManifestID(bucket string) (string, error)

func (*ClusterInfoCache) GetNewEventingNodes 

func (c *ClusterInfoCache) GetNewEventingNodes() (nodes []couchbase.Node)

func (*ClusterInfoCache) GetNodeCompatVersion 

func (c *ClusterInfoCache) GetNodeCompatVersion() (uint32, uint32)

func (*ClusterInfoCache) GetNodeStatus 

func (c *ClusterInfoCache) GetNodeStatus(nid NodeId) (string, error)

func (*ClusterInfoCache) GetNodesByBucket 

func (c *ClusterInfoCache) GetNodesByBucket(bucket string) (nids []NodeId, err error)

func (*ClusterInfoCache) GetNodesByServiceType 

func (c *ClusterInfoCache) GetNodesByServiceType(srvc string) (nids []NodeId)

func (*ClusterInfoCache) GetNumVbucketsForBucket 

func (c *ClusterInfoCache) GetNumVbucketsForBucket(bucketName string) int

func (*ClusterInfoCache) GetScopes 

func (c *ClusterInfoCache) GetScopes(bucketName string) map[string][]string

func (*ClusterInfoCache) GetServiceAddress 

func (c *ClusterInfoCache) GetServiceAddress(nid NodeId, srvc string) (addr string, err error)

func (*ClusterInfoCache) GetUniqueBSCIds 

func (c *ClusterInfoCache) GetUniqueBSCIds(bucket, scope, collection string) (string, uint32, uint32, error)

func (*ClusterInfoCache) GetVBuckets 

func (c *ClusterInfoCache) GetVBuckets(nid NodeId, bucket string) (vbs []uint32, err error)

func (*ClusterInfoCache) IsEphemeral 

func (c *ClusterInfoCache) IsEphemeral(bucket string) (bool, error)

func (*ClusterInfoCache) IsMemcached 

func (c *ClusterInfoCache) IsMemcached(bucket string) (bool, error)

func (*ClusterInfoCache) IsNodeHealthy 

func (c *ClusterInfoCache) IsNodeHealthy(nid NodeId) (bool, error)

func (*ClusterInfoCache) SetLogPrefix 

func (c *ClusterInfoCache) SetLogPrefix(p string)

func (*ClusterInfoCache) SetMaxRetries 

func (c *ClusterInfoCache) SetMaxRetries(r int)

func (*ClusterInfoCache) SetServicePorts 

func (c *ClusterInfoCache) SetServicePorts(portMap map[string]string)

func (*ClusterInfoCache) StorageEngine 

func (c *ClusterInfoCache) StorageEngine(bucketName string) (common.StorageEngine, error)

type ClusterInfoClient 

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

func FetchClusterInfoClient 

func FetchClusterInfoClient(clusterURL string) (c *ClusterInfoClient, err error)

func (*ClusterInfoClient) Close 

func (c *ClusterInfoClient) Close()

func (*ClusterInfoClient) GetClusterInfoCache 

func (c *ClusterInfoClient) GetClusterInfoCache() *ClusterInfoCache

Consumer must lock returned cinfo before using it

type Config 

type Config map[string]interface{}

func NewConfig 

func NewConfig(data interface{}) (Config, error)

func (Config) Set 

func (config Config) Set(key string, value interface{}) Config

func (Config) Update 

func (config Config) Update(data interface{}) error

type ConfigHolder 

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

func (*ConfigHolder) Load 

func (h *ConfigHolder) Load() Config

func (*ConfigHolder) Store 

func (h *ConfigHolder) Store(conf Config)

type DynamicAuthenticator 

type DynamicAuthenticator struct {
	Caller string
}

func (*DynamicAuthenticator) Certificate 

func (dynAuth *DynamicAuthenticator) Certificate(req gocb.AuthCertRequest) (*tls.Certificate, error)

func (*DynamicAuthenticator) Credentials 

func (dynAuth *DynamicAuthenticator) Credentials(req gocb.AuthCredsRequest) ([]gocb.UserPassPair, error)

func (*DynamicAuthenticator) SupportsNonTLS 

func (dynAuth *DynamicAuthenticator) SupportsNonTLS() bool

func (*DynamicAuthenticator) SupportsTLS 

func (dynAuth *DynamicAuthenticator) SupportsTLS() bool

type Element 

type Element interface {
	Size() uint64
}

type ExponentialBackoff 

type ExponentialBackoff struct {
	InitialInterval     time.Duration
	RandomizationFactor float64
	Multiplier          float64
	MaxInterval         time.Duration

	// After MaxElapsedTime the ExponentialBackoff stops.
	// It never stops if MaxElapsedTime == 0.
	MaxElapsedTime time.Duration
	Clock          Clock
	// contains filtered or unexported fields
}

func NewExponentialBackoff 

func NewExponentialBackoff() *ExponentialBackoff

func (*ExponentialBackoff) GetElapsedTime 

func (b *ExponentialBackoff) GetElapsedTime() time.Duration

func (*ExponentialBackoff) NextBackoff 

func (b *ExponentialBackoff) NextBackoff() time.Duration

func (*ExponentialBackoff) Reset 

func (b *ExponentialBackoff) Reset()

type FixedBackoff 

type FixedBackoff struct {
	Interval time.Duration
}

func NewFixedBackoff 

func NewFixedBackoff(d time.Duration) *FixedBackoff

func (*FixedBackoff) NextBackoff 

func (b *FixedBackoff) NextBackoff() time.Duration

func (*FixedBackoff) Reset 

func (b *FixedBackoff) Reset()

type GocbLogger 

type GocbLogger struct{}

func (*GocbLogger) Log 

func (r *GocbLogger) Log(level gocb.LogLevel, offset int, format string, v ...interface{}) error

type Node 

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

func NewNode 

func NewNode(hostname string) (*Node, error)

func NewNodeWithScheme 

func NewNodeWithScheme(hostname, scheme string) (*Node, error)

func (Node) HasLoopbackAddress 

func (n Node) HasLoopbackAddress() bool

func (*Node) IsEqual 

func (n *Node) IsEqual(node *Node) bool

type NodeId 

type NodeId int

type Notification 

type Notification struct {
	Type NotificationType
	Msg  interface{}
}

func (Notification) String 

func (n Notification) String() string

type NotificationType 

type NotificationType int
const (
	ServiceChangeNotification NotificationType = iota
	PoolChangeNotification
	CollectionManifestChangeNotification
	EncryptionLevelChangeNotification
)

type PayloadHash 

type PayloadHash struct {
	Fragmentcnt  int      `json:"fragment_count"`
	Fragmenthash [][]byte `json:"fragment_hash"`
}

func (*PayloadHash) Update 

func (payloadhash *PayloadHash) Update(payload []byte, fragmentSize int) error

type RetryHelper 

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

Helper object to execute a function with retries and exponential backoff

func NewRetryHelper 

func NewRetryHelper(
	maxRetries int,
	interval time.Duration,
	factor int,
	call retryFunc) *RetryHelper

func (*RetryHelper) Run 

func (r *RetryHelper) Run() error

type ServicesChangeNotifier 

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

func NewServicesChangeNotifier 

func NewServicesChangeNotifier(clusterUrl, pool string) (*ServicesChangeNotifier, error)

Initialize change notifier object for a clusterUrl

func (*ServicesChangeNotifier) Close 

func (sn *ServicesChangeNotifier) Close()

Consumer can cancel and invalidate notifier object by calling Close()

func (*ServicesChangeNotifier) GarbageCollect 

func (sn *ServicesChangeNotifier) GarbageCollect(bucketlist map[string]struct{})

func (*ServicesChangeNotifier) Get 

func (sn *ServicesChangeNotifier) Get() (n Notification, err error)

Call Get() method to block wait and obtain next services Config

func (*ServicesChangeNotifier) GetNotifyCh 

func (sn *ServicesChangeNotifier) GetNotifyCh() chan Notification

func (*ServicesChangeNotifier) RunObserveCollectionManifestChanges 

func (sn *ServicesChangeNotifier) RunObserveCollectionManifestChanges(bucketName string)

func (*ServicesChangeNotifier) StopObserveCollectionManifestChanges 

func (sn *ServicesChangeNotifier) StopObserveCollectionManifestChanges(bucketName string)

type Stack 

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

func NewStack 

func NewStack() *Stack

func (*Stack) Pop 

func (st *Stack) Pop() interface{}

func (*Stack) Push 

func (st *Stack) Push(value interface{})

func (*Stack) Size 

func (st *Stack) Size() int

func (*Stack) Top 

func (st *Stack) Top() interface{}

type Stats 

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

func NewStats 

func NewStats() *Stats

func (*Stats) Append 

func (s *Stats) Append(deltas common.StatsData)

func (*Stats) Close 

func (s *Stats) Close()

func (*Stats) Get 

func (s *Stats) Get() common.StatsData

type UUID 

type UUID []byte

func NewUUID 

func NewUUID() (UUID, error)

func (UUID) Str 

func (u UUID) Str() string

func (UUID) Uint64 

func (u UUID) Uint64() uint64

type Uint16Slice 

type Uint16Slice []uint16

func (Uint16Slice) Len 

func (s Uint16Slice) Len() int

func (Uint16Slice) Less 

func (s Uint16Slice) Less(i, j int) bool

func (Uint16Slice) Swap 

func (s Uint16Slice) Swap(i, j int)

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