util

package
v1.1.3-rc3 Latest Latest
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 Go to latest Published: Dec 9, 2021 License: Apache-2.0 Imports: 36 Imported by: 12

Documentation

Index

Constants

View Source 
const (
	VolumeStackPrefix     = "volume-"
	ControllerServiceName = "controller"
	ReplicaServiceName    = "replica"

	HostProcPath                 = "/host/proc"
	ReplicaDirectory             = "/replicas/"
	DeviceDirectory              = "/dev/longhorn/"
	TemporaryMountPointDirectory = "/tmp/mnt/"

	DefaultKubernetesTolerationKey = "kubernetes.io"

	DiskConfigFile = "longhorn-disk.cfg"

	SizeAlignment     = 2 * 1024 * 1024
	MinimalVolumeSize = 10 * 1024 * 1024
)

Variables

View Source 
var (
	ConflictRetryInterval = 20 * time.Millisecond
	ConflictRetryCounts   = 100
)

Functions

func AddFinalizer 

func AddFinalizer(name string, obj runtime.Object) error

func AutoCorrectName added in v1.1.1 

func AutoCorrectName(name string, maxLength int) string

AutoCorrectName converts name to lowercase, and correct overlength name by replaces the name suffix with 8 char from its checksum to ensure uniquenedoss.

func Backoff 

func Backoff(maxDuration time.Duration, timeoutMessage string, f func() (bool, error)) error

func CheckBackupType 

func CheckBackupType(backupTarget string) (string, error)

func CmdOutLines 

func CmdOutLines(cmd *exec.Cmd, cancel <-chan interface{}) (<-chan string, <-chan error)

func ConvertSize 

func ConvertSize(size interface{}) (int64, error)

func CopyHostDirectoryContent added in v0.8.0 

func CopyHostDirectoryContent(src, dest string) (err error)

func CopyReq 

func CopyReq(req *http.Request) *http.Request

func CreateDiskPathReplicaSubdirectory added in v0.8.1 

func CreateDiskPathReplicaSubdirectory(path string) error

func DeleteDiskPathReplicaSubdirectoryAndDiskCfgFile added in v1.0.0 

func DeleteDiskPathReplicaSubdirectoryAndDiskCfgFile(
	nsExec *iscsi_util.NamespaceExecutor, path string) error

func DetectFileSystem added in v0.8.0 

func DetectFileSystem(volumeName string) (string, error)

func Execute 

func Execute(envs []string, binary string, args ...string) (string, error)

func ExecuteWithTimeout 

func ExecuteWithTimeout(timeout time.Duration, envs []string, binary string, args ...string) (string, error)

func ExecuteWithoutTimeout added in v0.6.0 

func ExecuteWithoutTimeout(envs []string, binary string, args ...string) (string, error)

func ExpandFileSystem added in v0.8.0 

func ExpandFileSystem(volumeName string) (err error)

func FilteredLoggingHandler added in v0.4.1 

func FilteredLoggingHandler(filteredPaths map[string]struct{}, writer io.Writer, router http.Handler) http.Handler

func FinalizerExists 

func FinalizerExists(name string, obj runtime.Object) bool

func FormatLocalTime 

func FormatLocalTime(t time.Time, loc *time.Location) string

func FormatTimeZ 

func FormatTimeZ(t time.Time) string

func FromMillis 

func FromMillis(t int64) time.Time

func GetAnnotation added in v1.1.0 

func GetAnnotation(obj runtime.Object, annotationKey string) (string, error)

func GetBackupID 

func GetBackupID(backupURL string) (string, error)

func GetChecksumSHA512 

func GetChecksumSHA512(data []byte) string

func GetDistinctTolerations added in v1.1.0 

func GetDistinctTolerations(tolerationList []v1.Toleration) []v1.Toleration

func GetLocalIPs 

func GetLocalIPs() ([]string, error)

func GetRequiredEnv 

func GetRequiredEnv(key string) (string, error)

func GetSortedKeysFromMap added in v1.1.2 

func GetSortedKeysFromMap(maps interface{}) []string

func GetStringChecksum 

func GetStringChecksum(data string) string

func GetTolerationChecksum added in v1.1.0 

func GetTolerationChecksum(t v1.Toleration) string

func IsKubernetesDefaultToleration added in v0.6.0 

func IsKubernetesDefaultToleration(toleration v1.Toleration) bool

func IsKubernetesVersionAtLeast added in v0.8.0 

func IsKubernetesVersionAtLeast(kubeClient clientset.Interface, vers string) (bool, error)

func IsSupportedFileSystem added in v0.8.0 

func IsSupportedFileSystem(fsType string) bool

func LimitToPeriod 

func LimitToPeriod(p, t [2]time.Time) [2]time.Time

func MinInt added in v1.1.1 

func MinInt(a, b int) int

func Now 

func Now() string

func ParseLabels 

func ParseLabels(labels []string) (map[string]string, error)

ParseLabels parses the provided Labels based on longhorn-engine's implementation: https://github.com/longhorn/longhorn-engine/blob/master/util/util.go

func ParseLocalTime 

func ParseLocalTime(ts string, loc *time.Location) (time.Time, error)

func ParsePeriod 

func ParsePeriod(s string, loc *time.Location) ([2]time.Time, error)

func ParseTime 

func ParseTime(t string) (time.Time, error)

func ParseTimeZ 

func ParseTimeZ(s string) (time.Time, error)

func RandomID 

func RandomID() string

func RegisterShutdownChannel 

func RegisterShutdownChannel(done chan struct{})

func RemoveFinalizer 

func RemoveFinalizer(name string, obj runtime.Object) error

func RemoveHostDirectoryContent added in v0.3.3 

func RemoveHostDirectoryContent(directory string) (err error)

func RetryOnConflictCause 

func RetryOnConflictCause(fn func() (interface{}, error)) (obj interface{}, err error)

func RoundUpSize 

func RoundUpSize(size int64) int64

func RunAsync added in v0.3.1 

func RunAsync(wg *sync.WaitGroup, f func())

func SetAnnotation added in v1.1.0 

func SetAnnotation(obj runtime.Object, annotationKey, annotationValue string) error

func SplitStringToMap 

func SplitStringToMap(str, separator string) map[string]struct{}

func TimestampAfterTimeout 

func TimestampAfterTimeout(ts string, timeout time.Duration) bool

func TimestampWithinLimit added in v0.8.0 

func TimestampWithinLimit(latest time.Time, ts string, limit time.Duration) bool

func TolerationListToMap added in v0.6.0 

func TolerationListToMap(tolerationList []v1.Toleration) map[string]v1.Toleration

func UUID 

func UUID() string

func ValidateName 

func ValidateName(name string) bool

func ValidateSnapshotLabels added in v0.6.0 

func ValidateSnapshotLabels(labels map[string]string) (map[string]string, error)

func ValidateTags added in v0.6.0 

func ValidateTags(inputTags []string) ([]string, error)

func WaitForAPI 

func WaitForAPI(url string, timeout int) error

WaitForAPI timeout in second

func WaitForDevice 

func WaitForDevice(dev string, timeout int) error

WaitForDevice timeout in second

Types

type DiskConfig added in v0.8.1 

type DiskConfig struct {
	DiskUUID string `json:"diskUUID"`
}

func GenerateDiskConfig added in v0.8.1 

func GenerateDiskConfig(path string) (*DiskConfig, error)

func GetDiskConfig added in v0.8.1 

func GetDiskConfig(path string) (*DiskConfig, error)

type DiskInfo 

type DiskInfo struct {
	Fsid             string
	Path             string
	Type             string
	FreeBlock        int64
	TotalBlock       int64
	BlockSize        int64
	StorageMaximum   int64
	StorageAvailable int64
}

func GetDiskInfo 

func GetDiskInfo(directory string) (info *DiskInfo, err error)

type MetadataConfig 

type MetadataConfig struct {
	DriverName          string
	Image               string
	OrcImage            string
	DriverContainerName string
}

Source Files

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