forked from vmware/govmomi
/
task.go
109 lines (85 loc) · 2.68 KB
/
task.go
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/*
Copyright (c) 2017 VMware, Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package simulator
import (
"fmt"
"reflect"
"strings"
"time"
"github.com/vmware/govmomi/vim25/mo"
"github.com/vmware/govmomi/vim25/types"
)
const vTaskSuffix = "_Task" // vmomi suffix
const sTaskSuffix = "Task" // simulator suffix (avoiding golint warning)
type Task struct {
mo.Task
Execute func(*Task) (types.AnyType, types.BaseMethodFault)
}
func NewTask(runner TaskRunner) *Task {
ref := runner.Reference()
name := reflect.TypeOf(runner).Elem().Name()
name = strings.Replace(name, "VM", "Vm", 1) // "VM" for the type to make go-lint happy, but "Vm" for the vmodl ID
return CreateTask(ref, name, runner.Run)
}
func CreateTask(e mo.Reference, name string, run func(*Task) (types.AnyType, types.BaseMethodFault)) *Task {
ref := e.Reference()
id := name
if strings.HasSuffix(id, sTaskSuffix) {
id = id[:len(id)-len(sTaskSuffix)]
name = id + vTaskSuffix
}
task := &Task{
Execute: run,
}
task.Self = Map.newReference(task)
task.Info.Key = task.Self.Value
task.Info.Task = task.Self
task.Info.Name = ucFirst(name)
task.Info.DescriptionId = fmt.Sprintf("%s.%s", ref.Type, id)
task.Info.Entity = &ref
task.Info.EntityName = ref.Value
task.Info.Reason = &types.TaskReasonUser{UserName: "vcsim"} // TODO: Context.Session.User
task.Info.QueueTime = time.Now()
task.Info.State = types.TaskInfoStateQueued
Map.Put(task)
return task
}
type TaskRunner interface {
mo.Reference
Run(*Task) (types.AnyType, types.BaseMethodFault)
}
func (t *Task) Run() types.ManagedObjectReference {
now := time.Now()
Map.Update(t, []types.PropertyChange{
{Name: "info.startTime", Val: now},
{Name: "info.state", Val: types.TaskInfoStateRunning},
})
res, err := t.Execute(t)
state := types.TaskInfoStateSuccess
var fault interface{}
if err != nil {
state = types.TaskInfoStateError
fault = types.LocalizedMethodFault{
Fault: err,
LocalizedMessage: fmt.Sprintf("%T", err),
}
}
now = time.Now()
Map.Update(t, []types.PropertyChange{
{Name: "info.completeTime", Val: now},
{Name: "info.state", Val: state},
{Name: "info.result", Val: res},
{Name: "info.error", Val: fault},
})
return t.Self
}