general

package
v0.2.0 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jun 13, 2023 License: Apache-2.0 Imports: 25 Imported by: 66

Documentation

Index

Constants

View Source 
const (
	FlockCoolingInterval = 6 * time.Second
	FlockTryLockMaxTimes = 10
)

Variables

View Source 
var (
	// NativeEndian is the native endian
	NativeEndian binary.ByteOrder
)

Functions

func CheckHealthz added in v0.2.0 

func CheckHealthz() map[HealthzCheckName]HealthzCheckResponse

CheckHealthz walks through the registered healthz functions to provide an insight about the running states of current process. if functions failed, returns HealthzCheckStateFailed as the returned state.

func CheckMapEqual 

func CheckMapEqual(pre, cur map[string]string) bool

func CmpBool 

func CmpBool(a, b bool) int

CmpBool compares booleans, placing true before false

func CmpError 

func CmpError(err1, err2 error) int

CmpError compares errors, placing not nil before nil

func CmpFloat64 

func CmpFloat64(a, b float64) int

CmpFloat64 compares float64s, placing greater before smaller

func CmpInt32 

func CmpInt32(a, b int32) int

CmpInt32 compares int32s, placing greater before smaller

func CovertInt64ToInt added in v0.2.0 

func CovertInt64ToInt(numInt64 int64) (int, error)

func CovertUInt64ToInt added in v0.2.0 

func CovertUInt64ToInt(numUInt64 uint64) (int, error)

func DeepCopyMap 

func DeepCopyMap(origin map[string]string) map[string]string

func EnsureDirectory 

func EnsureDirectory(dir string) error

func ErrorS added in v0.2.0 

func ErrorS(err error, message string, params ...interface{})

func Errorf added in v0.2.0 

func Errorf(message string, params ...interface{})

func Fatalf added in v0.2.0 

func Fatalf(message string, params ...interface{})

func GenerateHash 

func GenerateHash(data []byte, length int) string

func GetInt64PointerFromUint64Pointer 

func GetInt64PointerFromUint64Pointer(v *uint64) (*int64, error)

func GetOneExistPath 

func GetOneExistPath(paths []string) string

GetOneExistPath is to get one of exist paths

func GetSortedMapKeys added in v0.2.0 

func GetSortedMapKeys(m map[string]int) []string

GetSortedMapKeys returns a slice containing sorted keys for the given map

func GetStringValueFromMap 

func GetStringValueFromMap(m map[string]string, key string) string

func GetValueWithDefault 

func GetValueWithDefault(m map[string]string, key, defaultV string) string

GetValueWithDefault gets value from the given map, and returns default if key not exist

func InfoS added in v0.2.0 

func InfoS(message string, params ...interface{})

func Infof added in v0.2.0 

func Infof(message string, params ...interface{})

func InfofV added in v0.2.0 

func InfofV(level int, message string, params ...interface{})

func IntFractionMultiply added in v0.2.0 

func IntFractionMultiply(origin int, numerator int, denominator int) int

IntFractionMultiply is a wrapper for this kind of operation: ceil(origin * numerator / denominator)

func IntSliceToStringSlice 

func IntSliceToStringSlice(a []int) []string

func IsNameEnabled 

func IsNameEnabled(name string, disabledByDefault sets.String, enableNames []string) bool

IsNameEnabled check if a specified name enabled or not.

func IsPathExists 

func IsPathExists(path string) bool

IsPathExists is to check this path whether exists

func IsUnmarshalTypeError added in v0.2.0 

func IsUnmarshalTypeError(err error) bool

IsUnmarshalTypeError check whether is json unmarshal type error

func JsonPathEmpty 

func JsonPathEmpty(str []byte) bool

JsonPathEmpty is used to check whether the given str is empty for json-patch

func Max 

func Max(a, b int) int

func MaxInt64 

func MaxInt64(a, b int64) int64

func MaxUInt64 

func MaxUInt64(a, b uint64) uint64

func MergeMap 

func MergeMap(src, override map[string]string) map[string]string

MergeMap merges the contents from override into the src

func MergeMapInt added in v0.2.0 

func MergeMapInt(src, override map[string]int) map[string]int

MergeMapInt merges the contents from override into the src

func Min 

func Min(a, b int) int

func MinUInt64 

func MinUInt64(a, b uint64) uint64

func ParseMapWithPrefix 

func ParseMapWithPrefix(prefix, selector string) (map[string]string, error)

ParseMapWithPrefix converts selector string to label map and validates keys and values

func ParseStringToUint64Pointer 

func ParseStringToUint64Pointer(s string) (*uint64, error)

func ParseUint64PointerToString 

func ParseUint64PointerToString(v *uint64) string

func ReadFileIntoInt added in v0.2.0 

func ReadFileIntoInt(filepath string) (int, error)

ReadFileIntoInt read contents from the given file, and parse them into integer

func ReadFileIntoLines added in v0.2.0 

func ReadFileIntoLines(filepath string) ([]string, error)

ReadFileIntoLines read contents from the given file, and parse them into string slice; each string indicates a line in the file

func RegisterFileEventWatcher 

func RegisterFileEventWatcher(stop <-chan struct{}, fileWatcherInfo FileWatcherInfo) (<-chan struct{}, error)

RegisterFileEventWatcher inotify the given file and report the changed information to the caller through returned channel

func RegisterHealthzCheckRules added in v0.2.0 

func RegisterHealthzCheckRules(name HealthzCheckName, f HealthzCheckFunc)

RegisterHealthzCheckRules supports to register healthz check functions.

func ReleaseUniqueLock 

func ReleaseUniqueLock(lock *Flock)

ReleaseUniqueLock release the given file lock

func SumUpMapValues added in v0.2.0 

func SumUpMapValues(m map[string]int) int

SumUpMapValues accumulates total values for the given map

func SumUpMultipleMapValues added in v0.2.0 

func SumUpMultipleMapValues(m map[string]map[string]int) int

SumUpMultipleMapValues accumulates total values for the given multi-level map

func ToString 

func ToString(in interface{}) string

ToString transform to string for better display etc. in log

func UInt64PointerToFloat64 

func UInt64PointerToFloat64(p *uint64) float64

func UIntPointerToFloat64 

func UIntPointerToFloat64(p *uint) float64

func Warningf added in v0.2.0 

func Warningf(message string, params ...interface{})

Types

type CappedSmoothWindow 

type CappedSmoothWindow struct {
	sync.Mutex

	SmoothWindow
	// contains filtered or unexported fields
}

func NewCappedSmoothWindow 

func NewCappedSmoothWindow(minStep resource.Quantity, maxStep resource.Quantity, smoothWindow SmoothWindow) *CappedSmoothWindow

NewCappedSmoothWindow creates a capped SmoothWindow, which

func (*CappedSmoothWindow) GetWindowedResources 

func (m *CappedSmoothWindow) GetWindowedResources(value resource.Quantity) *resource.Quantity

GetWindowedResources cap the value return by smooth window min to max

type CmpFunc 

type CmpFunc func(i1, i2 interface{}) int

func ReverseCmpFunc 

func ReverseCmpFunc(cmpFunc CmpFunc) CmpFunc

type FileWatcherInfo 

type FileWatcherInfo struct {
	// if Filename is empty, it means that we should watch all file events in all paths,
	// otherwise, watch this specific file in all paths
	Filename string
	Path     []string
	Op       fsnotify.Op
}

type Flock 

type Flock struct {
	LockFile string
	// contains filtered or unexported fields
}

func GetUniqueLock 

func GetUniqueLock(filename string) (*Flock, error)

GetUniqueLock is a wrapper function for getUniqueLockWithTimeout with default configurations

func (*Flock) Lock 

func (f *Flock) Lock() (e error)

func (*Flock) Release 

func (f *Flock) Release()

func (*Flock) Unlock 

func (f *Flock) Unlock()

type HealthzCheckFunc added in v0.2.0 

type HealthzCheckFunc func() (HealthzCheckResponse, error)

HealthzCheckFunc defined as a common function to define whether the corresponding component is healthy.

type HealthzCheckName added in v0.2.0 

type HealthzCheckName string

HealthzCheckName describes which rule name for this check

type HealthzCheckResponse added in v0.2.0 

type HealthzCheckResponse struct {
	State   HealthzCheckState `json:"state"`
	Message string            `json:"message"`
}

type HealthzCheckState added in v0.2.0 

type HealthzCheckState string

HealthzCheckState describes the checking results 

const (
	HealthzCheckStateReady    HealthzCheckState = "Ready"
	HealthzCheckStateNotReady HealthzCheckState = "NotReady"
	HealthzCheckStateUnknown  HealthzCheckState = "Unknown"
	HealthzCheckStateFailed   HealthzCheckState = "Failed"
)

type Logger added in v0.2.0 

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

func LoggerWithPrefix added in v0.2.0 

func LoggerWithPrefix(prefix string, pkg LoggingPKG) Logger

func (Logger) ErrorS added in v0.2.0 

func (l Logger) ErrorS(err error, message string, params ...interface{})

func (Logger) Errorf added in v0.2.0 

func (l Logger) Errorf(message string, params ...interface{})

func (Logger) Fatalf added in v0.2.0 

func (l Logger) Fatalf(message string, params ...interface{})

func (Logger) InfoS added in v0.2.0 

func (l Logger) InfoS(message string, params ...interface{})

func (Logger) Infof added in v0.2.0 

func (l Logger) Infof(message string, params ...interface{})

func (Logger) InfofV added in v0.2.0 

func (l Logger) InfofV(level int, message string, params ...interface{})

func (Logger) Warningf added in v0.2.0 

func (l Logger) Warningf(message string, params ...interface{})

type LoggingPKG added in v0.2.0 

type LoggingPKG int
const (
	LoggingPKGNone LoggingPKG = iota
	LoggingPKGShort
	LoggingPKGFull
)

type MultiSorter 

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

MultiSorter implements the Sort interface, sorting changes within.

func NewMultiSorter 

func NewMultiSorter(cmp ...CmpFunc) *MultiSorter

NewMultiSorter returns a Sorter that sorts using the cmp functions, in order. Call its Sort method to sort the data.

func (*MultiSorter) Sort 

func (ms *MultiSorter) Sort(sources SourceList)

Sort sorts the argument slice according to the Less functions passed to NewMultiSorter.

type Pair added in v0.2.0 

type Pair struct {
	Key   string
	Value int
}

func TraverseMapByValueDescending added in v0.2.0 

func TraverseMapByValueDescending(m map[string]int) []Pair

type ResourceList 

type ResourceList v1.ResourceList

func (*ResourceList) Set 

func (r *ResourceList) Set(value string) error

func (*ResourceList) String 

func (r *ResourceList) String() string

func (*ResourceList) Type 

func (r *ResourceList) Type() string

type SmoothWindow 

type SmoothWindow interface {
	// GetWindowedResources receives a sample and returns the result after smoothing,
	// it can return nil if there are not enough samples in this window
	GetWindowedResources(value resource.Quantity) *resource.Quantity
}

SmoothWindow is used to smooth the resource

func NewAverageWithTTLSmoothWindow 

func NewAverageWithTTLSmoothWindow(windowSize int, ttl time.Duration, usedMillValue bool) SmoothWindow

NewAverageWithTTLSmoothWindow create a smooth window with ttl and window size, and the window size is the sample count while the ttl is the valid lifetime of each sample, and the usedMillValue means whether calculate the result with milli-value.

type SourceList 

type SourceList interface {
	Len() int
	GetSource(index int) interface{}
	SetSource(index int, s interface{})
}

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.