utils

package

v0.0.0-...-b022d11 Latest Latest Go to latest Published: Oct 11, 2023 License: MIT Imports: 30 Imported by: 4

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Repository

github.com/projecteru2/agent

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Documentation ¶

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Index ¶

Variables
func BackoffRetry(ctx context.Context, maxAttempts int, f func() error) error
func CheckHTTP(ctx context.Context, ID string, backends []string, code int, ...) bool
func CheckTCP(ctx context.Context, ID string, backends []string, timeout time.Duration) bool
func GetAppInfo(containerName string) (name, entrypoint, ident string, err error)
func GetDevicePath(major, minor uint64) (devPath string, err error)
func GetIP(daemonHost string) string
func GetMaxAttemptsByTTL(ttl int64) int
func IsDockerized() bool
func MakeDockerClient(config *types.Config) (*engineapi.Client, error)
func MakeYavirtClient(config *types.Config) (yavirtclient.Client, error)
func NewBufPipe(bufCap int64) (*PipeReader, *PipeWriter)
func ReplaceNonUtf8(str string) string
func UseLabelAsFilter() bool
func WithTimeout(ctx context.Context, timeout time.Duration, f func(ctx2 context.Context))
func WritePid(path string)
type GroupCAS
- func NewGroupCAS() *GroupCAS
- func (g *GroupCAS) Acquire(key string) (free func(), acquired bool)
type HashBackends
- func NewHashBackends(data []string) *HashBackends
- func (s *HashBackends) Get(v string, offset int) string
- func (s *HashBackends) Len() uint32
type PipeReader
- func (r *PipeReader) Close() error
- func (r *PipeReader) CloseWithError(err error) error
- func (r *PipeReader) Read(data []byte) (int, error)
type PipeWriter
- func (w *PipeWriter) Close() error
- func (w *PipeWriter) CloseWithError(err error) error
- func (w *PipeWriter) Write(data []byte) (int, error)
type RetryTask
- func NewRetryTask(ctx context.Context, maxAttempts int, f func() error) *RetryTask
- func (r *RetryTask) Run(ctx context.Context) error
- func (r *RetryTask) Stop(context.Context)

Constants ¶

This section is empty.

Variables ¶

View Source

var Pool *ants.Pool

Pool .

Functions ¶

func BackoffRetry ¶

func BackoffRetry(ctx context.Context, maxAttempts int, f func() error) error

BackoffRetry retries up to `maxAttempts` times, and the interval will grow exponentially

func CheckHTTP ¶

func CheckHTTP(ctx context.Context, ID string, backends []string, code int, timeout time.Duration) bool

CheckHTTP 检查一个workload的所有URL CheckHTTP 事实上一般也就一个

func CheckTCP ¶

func CheckTCP(ctx context.Context, ID string, backends []string, timeout time.Duration) bool

CheckTCP 检查一个TCP 这里不支持ctx?

func GetAppInfo ¶

func GetAppInfo(containerName string) (name, entrypoint, ident string, err error)

GetAppInfo return app info

func GetDevicePath ¶

func GetDevicePath(major, minor uint64) (devPath string, err error)

func GetIP ¶

func GetIP(daemonHost string) string

GetIP Get hostIP

func GetMaxAttemptsByTTL ¶

func GetMaxAttemptsByTTL(ttl int64) int

GetMaxAttemptsByTTL .

func IsDockerized ¶

func IsDockerized() bool

IsDockerized returns if the agent is running in docker

func MakeDockerClient ¶

func MakeDockerClient(config *types.Config) (*engineapi.Client, error)

MakeDockerClient make a docker client

func MakeYavirtClient ¶

func MakeYavirtClient(config *types.Config) (yavirtclient.Client, error)

MakeYavirtClient make a yavirt client

func NewBufPipe ¶

func NewBufPipe(bufCap int64) (*PipeReader, *PipeWriter)

NewBufPipe creates a synchronous pipe with capacity

func ReplaceNonUtf8 ¶

func ReplaceNonUtf8(str string) string

ReplaceNonUtf8 replaces non-utf8 characters in \x format.

func UseLabelAsFilter ¶

func UseLabelAsFilter() bool

UseLabelAsFilter return if use label as filter

func WithTimeout ¶

func WithTimeout(ctx context.Context, timeout time.Duration, f func(ctx2 context.Context))

WithTimeout runs a function with given timeout

func WritePid ¶

func WritePid(path string)

WritePid write pid

Types ¶

type GroupCAS ¶

type GroupCAS struct {
	*haxmap.Map[string, struct{}]
}

GroupCAS indicates cas locks which are grouped by keys.

func NewGroupCAS ¶

func NewGroupCAS() *GroupCAS

NewGroupCAS .

func (*GroupCAS) Acquire ¶

func (g *GroupCAS) Acquire(key string) (free func(), acquired bool)

Acquire tries to acquire a cas lock.

type HashBackends ¶

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

HashBackends is a simple hash backend

func NewHashBackends ¶

func NewHashBackends(data []string) *HashBackends

NewHashBackends new a hash backends

func (*HashBackends) Get ¶

func (s *HashBackends) Get(v string, offset int) string

Get get a backend

func (*HashBackends) Len ¶

func (s *HashBackends) Len() uint32

Len get len of backends

type PipeReader ¶

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

A PipeReader is the read half of a pipe.

func (*PipeReader) Close ¶

func (r *PipeReader) Close() error

Close closes the reader

func (*PipeReader) CloseWithError ¶

func (r *PipeReader) CloseWithError(err error) error

CloseWithError closes the reader; subsequent writes to the write half of the pipe will return the error err.

func (*PipeReader) Read ¶

func (r *PipeReader) Read(data []byte) (int, error)

Read implements the standard Read interface

type PipeWriter ¶

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

A PipeWriter is the write half of a pipe.

func (*PipeWriter) Close ¶

func (w *PipeWriter) Close() error

Close closes the writer

func (*PipeWriter) CloseWithError ¶

func (w *PipeWriter) CloseWithError(err error) error

CloseWithError closes the writer

func (*PipeWriter) Write ¶

func (w *PipeWriter) Write(data []byte) (int, error)

Write implements the standard Write interface: discard if current length exceeds capacity

type RetryTask ¶

type RetryTask struct {
	Func        func() error
	MaxAttempts int
	// contains filtered or unexported fields
}

RetryTask .

func NewRetryTask ¶

func NewRetryTask(ctx context.Context, maxAttempts int, f func() error) *RetryTask

NewRetryTask .

func (*RetryTask) Run ¶

func (r *RetryTask) Run(ctx context.Context) error

Run start running retry task

func (*RetryTask) Stop ¶

func (r *RetryTask) Stop(context.Context)

Stop stops running task

Source Files ¶

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