83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package wait
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import (
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"context"
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"fmt"
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"time"
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)
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// Implement interface
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var (
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_ Strategy = (*MultiStrategy)(nil)
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_ StrategyTimeout = (*MultiStrategy)(nil)
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)
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type MultiStrategy struct {
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// all Strategies should have a startupTimeout to avoid waiting infinitely
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timeout *time.Duration
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deadline *time.Duration
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// additional properties
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Strategies []Strategy
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}
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// WithStartupTimeoutDefault sets the default timeout for all inner wait strategies
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func (ms *MultiStrategy) WithStartupTimeoutDefault(timeout time.Duration) *MultiStrategy {
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ms.timeout = &timeout
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return ms
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}
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// WithStartupTimeout sets a time.Duration which limits all wait strategies
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//
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// Deprecated: use WithDeadline
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func (ms *MultiStrategy) WithStartupTimeout(timeout time.Duration) Strategy {
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return ms.WithDeadline(timeout)
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}
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// WithDeadline sets a time.Duration which limits all wait strategies
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func (ms *MultiStrategy) WithDeadline(deadline time.Duration) *MultiStrategy {
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ms.deadline = &deadline
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return ms
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}
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func ForAll(strategies ...Strategy) *MultiStrategy {
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return &MultiStrategy{
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Strategies: strategies,
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}
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}
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func (ms *MultiStrategy) Timeout() *time.Duration {
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return ms.timeout
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}
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func (ms *MultiStrategy) WaitUntilReady(ctx context.Context, target StrategyTarget) error {
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var cancel context.CancelFunc
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if ms.deadline != nil {
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ctx, cancel = context.WithTimeout(ctx, *ms.deadline)
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defer cancel()
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}
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if len(ms.Strategies) == 0 {
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return fmt.Errorf("no wait strategy supplied")
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}
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for _, strategy := range ms.Strategies {
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strategyCtx := ctx
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// Set default Timeout when strategy implements StrategyTimeout
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if st, ok := strategy.(StrategyTimeout); ok {
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if ms.Timeout() != nil && st.Timeout() == nil {
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strategyCtx, cancel = context.WithTimeout(ctx, *ms.Timeout())
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defer cancel()
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}
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}
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err := strategy.WaitUntilReady(strategyCtx, target)
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if err != nil {
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return err
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}
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}
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return nil
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}
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