50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// Copyright 2024 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utils
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import (
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"context"
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"time"
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"github.com/pingcap/errors"
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)
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func WaitUntil(ctx context.Context, condition func() bool, checkInterval, maxTimeout time.Duration) error {
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// do a quick check before starting the ticker
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if condition() {
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return nil
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}
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timeoutCtx, cancel := context.WithTimeout(ctx, maxTimeout)
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defer cancel()
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ticker := time.NewTicker(checkInterval)
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defer ticker.Stop()
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for {
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select {
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case <-timeoutCtx.Done():
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if ctx.Err() != nil {
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return ctx.Err()
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}
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return errors.Errorf("waitUntil timed out after waiting for %v", maxTimeout)
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case <-ticker.C:
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if condition() {
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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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