terraform/builtin/providers/google/sqladmin_operation.go

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package google
import (
"bytes"
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/resource"
"google.golang.org/api/sqladmin/v1beta4"
)
type SqlAdminOperationWaiter struct {
Service *sqladmin.Service
Op *sqladmin.Operation
Project string
}
func (w *SqlAdminOperationWaiter) RefreshFunc() resource.StateRefreshFunc {
return func() (interface{}, string, error) {
var op *sqladmin.Operation
var err error
log.Printf("[DEBUG] self_link: %s", w.Op.SelfLink)
op, err = w.Service.Operations.Get(w.Project, w.Op.Name).Do()
if err != nil {
return nil, "", err
}
log.Printf("[DEBUG] Got %q when asking for operation %q", op.Status, w.Op.Name)
return op, op.Status, nil
}
}
func (w *SqlAdminOperationWaiter) Conf() *resource.StateChangeConf {
return &resource.StateChangeConf{
Pending: []string{"PENDING", "RUNNING"},
Target: "DONE",
Refresh: w.RefreshFunc(),
}
}
// SqlAdminOperationError wraps sqladmin.OperationError and implements the
// error interface so it can be returned.
type SqlAdminOperationError sqladmin.OperationErrors
func (e SqlAdminOperationError) Error() string {
var buf bytes.Buffer
for _, err := range e.Errors {
buf.WriteString(err.Message + "\n")
}
return buf.String()
}
func sqladminOperationWait(config *Config, op *sqladmin.Operation, activity string) error {
w := &SqlAdminOperationWaiter{
Service: config.clientSqlAdmin,
Op: op,
Project: config.Project,
}
state := w.Conf()
state.Timeout = 5 * time.Minute
state.MinTimeout = 2 * time.Second
opRaw, err := state.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for %s: %s", activity, err)
}
op = opRaw.(*sqladmin.Operation)
if op.Error != nil {
return SqlAdminOperationError(*op.Error)
}
return nil
}