forked from mystiq/dex
47 lines
1,012 B
Go
47 lines
1,012 B
Go
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
|
|
}
|