31 lines
586 B
Go
31 lines
586 B
Go
package children
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import (
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"context"
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"time"
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"dev.mediocregopher.com/mediocre-go-lib.git/mlog"
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)
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// until keeps trying fn until it returns nil, returning true. If the context is
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// canceled then until returns false.
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func until(
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ctx context.Context,
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logger *mlog.Logger,
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descr string,
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fn func(context.Context) error,
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) bool {
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for {
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logger.Info(ctx, descr)
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err := fn(ctx)
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if err == nil {
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return true
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} else if ctxErr := ctx.Err(); ctxErr != nil {
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return false
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}
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logger.Warn(ctx, descr+" failed, retrying in one second", err)
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time.Sleep(1 * time.Second)
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}
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}
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