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dataproc_cluster_operation.go
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dataproc_cluster_operation.go
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package google
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/resource"
"google.golang.org/api/dataproc/v1"
)
type DataprocClusterOperationWaiter struct {
Service *dataproc.Service
Op *dataproc.Operation
}
func (w *DataprocClusterOperationWaiter) Conf() *resource.StateChangeConf {
return &resource.StateChangeConf{
Pending: []string{"false"},
Target: []string{"true"},
Refresh: w.RefreshFunc(),
}
}
func (w *DataprocClusterOperationWaiter) RefreshFunc() resource.StateRefreshFunc {
return func() (interface{}, string, error) {
op, err := w.Service.Projects.Regions.Operations.Get(w.Op.Name).Do()
if err != nil {
return nil, "", err
}
log.Printf("[DEBUG] Got %v while polling for operation %s's 'done' status", op.Done, w.Op.Name)
return op, fmt.Sprint(op.Done), nil
}
}
func dataprocClusterOperationWait(config *Config, op *dataproc.Operation, activity string, timeoutMinutes, minTimeoutSeconds int) error {
if op.Done {
if op.Error != nil {
return fmt.Errorf("Error code %v, message: %s", op.Error.Code, op.Error.Message)
}
return nil
}
w := &DataprocClusterOperationWaiter{
Service: config.clientDataproc,
Op: op,
}
state := w.Conf()
state.Timeout = time.Duration(timeoutMinutes) * time.Minute
state.MinTimeout = time.Duration(minTimeoutSeconds) * time.Second
opRaw, err := state.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for %s: %s", activity, err)
}
op = opRaw.(*dataproc.Operation)
if op.Error != nil {
return fmt.Errorf("Error code %v, message: %s", op.Error.Code, op.Error.Message)
}
return nil
}