/
multi.go
47 lines (38 loc) · 1012 Bytes
/
multi.go
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package wait
import (
"context"
"fmt"
"time"
)
// Implement interface
var _ Strategy = (*MultiStrategy)(nil)
type MultiStrategy struct {
// all Strategies should have a startupTimeout to avoid waiting infinitely
startupTimeout time.Duration
// additional properties
Strategies []Strategy
}
func (ms *MultiStrategy) WithStartupTimeout(startupTimeout time.Duration) *MultiStrategy {
ms.startupTimeout = startupTimeout
return ms
}
func ForAll(strategies ...Strategy) *MultiStrategy {
return &MultiStrategy{
startupTimeout: defaultStartupTimeout(),
Strategies: strategies,
}
}
func (ms *MultiStrategy) WaitUntilReady(ctx context.Context, target StrategyTarget) (err error) {
ctx, cancelContext := context.WithTimeout(ctx, ms.startupTimeout)
defer cancelContext()
if len(ms.Strategies) == 0 {
return fmt.Errorf("no wait strategy supplied")
}
for _, strategy := range ms.Strategies {
err := strategy.WaitUntilReady(ctx, target)
if err != nil {
return err
}
}
return nil
}