package retry

import "github.com/google/go-containerregistry/internal/retry"

Package retry provides methods for retrying operations. It is a thin wrapper around k8s.io/apimachinery/pkg/util/wait to make certain operations easier.

Index ¶

• func Ever(ctx context.Context) bool
• func IsNotNil(err error) bool
• func IsTemporary(err error) bool
• func Never(ctx context.Context) context.Context
• func Retry(f func() error, p Predicate, backoff wait.Backoff) (err error)
• type Backoff
• type Predicate

Functions ¶

func Ever ¶

func Ever(ctx context.Context) bool

Ever returns true if the context was wrapped by Never.

func IsNotNil ¶

func IsNotNil(err error) bool

IsNotNil returns true if err is not nil.

func IsTemporary ¶

func IsTemporary(err error) bool

IsTemporary returns true if err implements Temporary() and it returns true.

func Never ¶

func Never(ctx context.Context) context.Context

Never returns a context that signals something should not be retried. This is a hack and can be used to communicate across package boundaries to avoid retry amplification.

func Retry ¶

func Retry(f func() error, p Predicate, backoff wait.Backoff) (err error)

Retry retries a given function, f, until a predicate is satisfied, using exponential backoff. If the predicate is never satisfied, it will return the last error returned by f.

Types ¶

type Backoff ¶

type Backoff = wait.Backoff

Backoff is an alias of our own wait.Backoff to avoid name conflicts with the kubernetes wait package. Typing retry.Backoff is aesier than fixing the wrong import every time you use wait.Backoff.

type Predicate ¶

type Predicate func(error) (retry bool)

Predicate determines whether an error should be retried.

Source Files ¶

retry.go

Directories ¶