80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
package google
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import (
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"bytes"
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"fmt"
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"code.google.com/p/google-api-go-client/compute/v1"
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"github.com/hashicorp/terraform/helper/resource"
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)
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// OperationWaitType is an enum specifying what type of operation
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// we're waiting on.
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type OperationWaitType byte
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const (
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OperationWaitInvalid OperationWaitType = iota
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OperationWaitGlobal
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OperationWaitRegion
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OperationWaitZone
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)
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type OperationWaiter struct {
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Service *compute.Service
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Op *compute.Operation
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Project string
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Region string
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Zone string
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Type OperationWaitType
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}
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func (w *OperationWaiter) RefreshFunc() resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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var op *compute.Operation
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var err error
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switch w.Type {
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case OperationWaitGlobal:
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op, err = w.Service.GlobalOperations.Get(
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w.Project, w.Op.Name).Do()
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case OperationWaitRegion:
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op, err = w.Service.RegionOperations.Get(
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w.Project, w.Region, w.Op.Name).Do()
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case OperationWaitZone:
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op, err = w.Service.ZoneOperations.Get(
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w.Project, w.Zone, w.Op.Name).Do()
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default:
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return nil, "bad-type", fmt.Errorf(
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"Invalid wait type: %#v", w.Type)
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}
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if err != nil {
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return nil, "", err
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}
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return op, op.Status, nil
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}
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}
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func (w *OperationWaiter) Conf() *resource.StateChangeConf {
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return &resource.StateChangeConf{
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Pending: []string{"PENDING", "RUNNING"},
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Target: "DONE",
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Refresh: w.RefreshFunc(),
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}
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}
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// OperationError wraps compute.OperationError and implements the
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// error interface so it can be returned.
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type OperationError compute.OperationError
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func (e OperationError) Error() string {
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var buf bytes.Buffer
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for _, err := range e.Errors {
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buf.WriteString(err.Message + "\n")
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}
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return buf.String()
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}
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