func newTask(cluster *api.Cluster, service *api.Service, slot uint64, nodeID string) *api.Task {
var logDriver *api.Driver
if service.Spec.Task.LogDriver != nil {
// use the log driver specific to the task, if we have it.
logDriver = service.Spec.Task.LogDriver
} else if cluster != nil {
// pick up the cluster default, if available.
logDriver = cluster.Spec.TaskDefaults.LogDriver // nil is okay here.
}
taskID := identity.NewID()
task := api.Task{
ID: taskID,
ServiceAnnotations: service.Spec.Annotations,
Spec: service.Spec.Task,
ServiceID: service.ID,
Slot: slot,
Status: api.TaskStatus{
State: api.TaskStateNew,
Timestamp: ptypes.MustTimestampProto(time.Now()),
Message: "created",
},
Endpoint: &api.Endpoint{
Spec: service.Spec.Endpoint.Copy(),
},
DesiredState: api.TaskStateRunning,
LogDriver: logDriver,
}
// In global mode we also set the NodeID
if nodeID != "" {
task.NodeID = nodeID
}
// Assign name based on task name schema
name := store.TaskName(&task)
task.Annotations = api.Annotations{Name: name}
return &task
}
// ListTasks returns a list of all tasks.
func (s *Server) ListTasks(ctx context.Context, request *api.ListTasksRequest) (*api.ListTasksResponse, error) {
var (
tasks []*api.Task
err error
)
s.store.View(func(tx store.ReadTx) {
switch {
case request.Filters != nil && len(request.Filters.Names) > 0:
tasks, err = store.FindTasks(tx, buildFilters(store.ByName, request.Filters.Names))
case request.Filters != nil && len(request.Filters.NamePrefixes) > 0:
tasks, err = store.FindTasks(tx, buildFilters(store.ByNamePrefix, request.Filters.NamePrefixes))
case request.Filters != nil && len(request.Filters.IDPrefixes) > 0:
tasks, err = store.FindTasks(tx, buildFilters(store.ByIDPrefix, request.Filters.IDPrefixes))
case request.Filters != nil && len(request.Filters.ServiceIDs) > 0:
tasks, err = store.FindTasks(tx, buildFilters(store.ByServiceID, request.Filters.ServiceIDs))
case request.Filters != nil && len(request.Filters.NodeIDs) > 0:
tasks, err = store.FindTasks(tx, buildFilters(store.ByNodeID, request.Filters.NodeIDs))
case request.Filters != nil && len(request.Filters.DesiredStates) > 0:
filters := make([]store.By, 0, len(request.Filters.DesiredStates))
for _, v := range request.Filters.DesiredStates {
filters = append(filters, store.ByDesiredState(v))
}
tasks, err = store.FindTasks(tx, store.Or(filters...))
default:
tasks, err = store.FindTasks(tx, store.All)
}
})
if err != nil {
return nil, err
}
if request.Filters != nil {
tasks = filterTasks(tasks,
func(e *api.Task) bool {
return filterContains(store.TaskName(e), request.Filters.Names)
},
func(e *api.Task) bool {
return filterContainsPrefix(store.TaskName(e), request.Filters.NamePrefixes)
},
func(e *api.Task) bool {
return filterContainsPrefix(e.ID, request.Filters.IDPrefixes)
},
func(e *api.Task) bool {
return filterMatchLabels(e.ServiceAnnotations.Labels, request.Filters.Labels)
},
func(e *api.Task) bool {
return filterContains(e.ServiceID, request.Filters.ServiceIDs)
},
func(e *api.Task) bool {
return filterContains(e.NodeID, request.Filters.NodeIDs)
},
func(e *api.Task) bool {
if len(request.Filters.DesiredStates) == 0 {
return true
}
for _, c := range request.Filters.DesiredStates {
if c == e.DesiredState {
return true
}
}
return false
},
)
}
return &api.ListTasksResponse{
Tasks: tasks,
}, nil
}