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package redis
import (
"time"
"github.com/scaleway/scaleway-sdk-go/internal/async"
"github.com/scaleway/scaleway-sdk-go/internal/errors"
"github.com/scaleway/scaleway-sdk-go/scw"
)
const (
defaultRetryInterval = 15 * time.Second
defaultTimeout = 15 * time.Minute
)
// WaitForClusterRequest is used by WaitForCluster method.
type WaitForClusterRequest struct {
ClusterID string
Zone scw.Zone
Timeout *time.Duration
RetryInterval *time.Duration
}
// WaitForCluster waits for the cluster to be in a "terminal state" before returning.
// This function can be used to wait for a cluster to be ready for example.
func (s *API) WaitForCluster(req *WaitForClusterRequest, opts ...scw.RequestOption) (*Cluster, error) {
timeout := defaultTimeout
if req.Timeout != nil {
timeout = *req.Timeout
}
retryInterval := defaultRetryInterval
if req.RetryInterval != nil {
retryInterval = *req.RetryInterval
}
terminalStatus := map[ClusterStatus]struct{}{
ClusterStatusReady: {},
ClusterStatusLocked: {},
ClusterStatusError: {},
ClusterStatusSuspended: {},
}
cluster, err := async.WaitSync(&async.WaitSyncConfig{
Get: func() (interface{}, bool, error) {
res, err := s.GetCluster(&GetClusterRequest{
Zone: req.Zone,
ClusterID: req.ClusterID,
}, opts...)
if err != nil {
return nil, false, err
}
_, isTerminal := terminalStatus[res.Status]
return res, isTerminal, nil
},
Timeout: timeout,
IntervalStrategy: async.LinearIntervalStrategy(retryInterval),
})
if err != nil {
return nil, errors.Wrap(err, "waiting for cluster failed")
}
return cluster.(*Cluster), nil
}
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