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istio.io/istio/tests/util

package util

v0.0.0 (abe510f)
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Published: 0 hours ago | License: Apache-2.0 | Module: istio.io/istio

Index

Variables

var (
	// MockPilotGrpcAddr is the address to be used for grpc connections.
	MockPilotGrpcAddr string

	MockPilotSGrpcAddr string

	// MockPilotHTTPPort is the dynamic port for pilot http
	MockPilotHTTPPort int

	// MockPilotGrpcPort is the dynamic port for pilot grpc
	MockPilotGrpcPort int
)

func Backoff

func Backoff(baseDelay, maxDelay time.Duration, retries int) time.Duration

Backoff returns a random value in [0, maxDelay] that increases exponentially with retries, starting from baseDelay. It is the Go equivalent to C++'s //util/time/backoff.cc.

func Compare

func Compare(out, model []byte) error

Compare compares two byte slices. It returns an error with a contextual diff if they are not equal.

func RandomString

func RandomString(n int) string

RandomString returns a random string of size n (letters only)

type Break

type Break struct {
	Err error
}

Break the retry loop if the error returned is of this type.

func (Break) Error

func (e Break) Error() string

type Retrier

type Retrier struct {
	// BaseDelay is the minimum delay between retry attempts.
	BaseDelay time.Duration
	// MaxDelay is the maximum delay allowed between retry attempts.
	MaxDelay time.Duration
	// MaxDuration is the maximum cumulative duration allowed for all retries
	MaxDuration time.Duration
	// Retries defines number of retry attempts
	Retries int
}

Retrier contains the retry configuration parameters.

func (Retrier) Retry

func (r Retrier) Retry(ctx context.Context, fn func(ctx context.Context, retryIndex int) error) (int, error)

Retry calls the given function a number of times, unless it returns a nil or a Break

type TearDownFunc

type TearDownFunc func()

TearDownFunc is to be called to tear down a test server.

func EnsureTestServer

func EnsureTestServer(args ...func(*bootstrap.PilotArgs)) (*bootstrap.Server, TearDownFunc)

EnsureTestServer will ensure a pilot server is running in process and initializes the MockPilotUrl and MockPilotGrpcAddr to allow connections to the test pilot.

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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