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https://github.com/open-policy-agent/opa.git
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mikaelcabot
47ecd762d7
A new flag introduced `ready-timeout`. This flag controls if and for how long OPA server will wait for configured bundles and plugins to be activated/ready before listening for traffic. A value of 0 or less means no wait is exercised. Signed-off-by: mikaelcabot <mikaelcabot@gmail.com>
35 lines
742 B
Go
35 lines
742 B
Go
// Copyright 2020 The OPA Authors. All rights reserved.
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// Use of this source code is governed by an Apache2
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// license that can be found in the LICENSE file.
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package util
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import (
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"fmt"
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"time"
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)
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// WaitFunc will call passed function at an interval and return nil
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// as soon this function returns true.
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// If timeout is reached before the passed in function returns true
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// an error is returned.
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func WaitFunc(fun func() bool, interval, timeout time.Duration) error {
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if fun() {
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return nil
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}
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ticker := time.NewTicker(interval)
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timer := time.NewTimer(timeout)
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defer ticker.Stop()
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defer timer.Stop()
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for {
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select {
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case <-timer.C:
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return fmt.Errorf("timeout")
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case <-ticker.C:
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if fun() {
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return nil
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}
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}
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}
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}
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