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mesoscommand.go
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mesoscommand.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2018 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
package controlcommands
import (
"github.com/mesos/mesos-go/api/v1/lib"
"github.com/rs/xid"
"time"
)
const (
defaultResponseTimeout = 45 * time.Second
)
type MesosCommand interface {
GetName() string
GetId() xid.ID
IsMultiCmd() bool
MakeSingleTarget(target MesosCommandTarget) MesosCommand
IsMutator() bool
GetResponseTimeout() time.Duration
targets() []MesosCommandTarget
}
type MesosCommandTarget struct {
AgentId mesos.AgentID
ExecutorId mesos.ExecutorID
TaskId mesos.TaskID
}
type PropertyMap map[string]string
type PropertyMapsMap map[MesosCommandTarget]PropertyMap
type MesosCommandBase struct {
Name string `json:"name"`
Id xid.ID `json:"id"`
ResponseTimeout time.Duration `json:"timeout"`
Arguments PropertyMap `json:"arguments"`
TargetList []MesosCommandTarget `json:"targetList"`
argMap PropertyMapsMap `json:"-"`
}
func NewMesosCommand(name string, receivers []MesosCommandTarget, argMap PropertyMapsMap) (*MesosCommandBase) {
return &MesosCommandBase{
Name: name,
Id: xid.New(),
ResponseTimeout: defaultResponseTimeout,
TargetList: receivers,
argMap: argMap,
}
}
func (m *MesosCommandBase) GetName() string {
if m != nil {
return m.Name
}
return ""
}
func (m *MesosCommandBase) GetId() xid.ID {
if m != nil {
return m.Id
}
return xid.NilID()
}
func (m *MesosCommandBase) IsMultiCmd() bool {
if m != nil {
return len(m.TargetList) > 1
}
return false
}
func (m *MesosCommandBase) MakeSingleTarget(receiver MesosCommandTarget) (cmd MesosCommand) {
if m == nil {
return
}
rcvOk := false
for _, rcv := range m.TargetList {
if rcv == receiver {
rcvOk = true
break
}
}
if !rcvOk {
return
}
argMap := make(PropertyMapsMap)
if args, ok := m.argMap[receiver]; ok {
argMap[receiver] = args
} else {
argMap[receiver] = make(PropertyMap)
}
cmd = &MesosCommandBase{
Name: m.Name,
Id: m.Id,
ResponseTimeout: m.ResponseTimeout,
TargetList: []MesosCommandTarget{receiver},
argMap: argMap,
Arguments: argMap[receiver],
}
return
}
func (m *MesosCommandBase) IsMutator() bool {
return true
}
func (m *MesosCommandBase) GetResponseTimeout() time.Duration {
if m != nil {
return m.ResponseTimeout
}
return defaultResponseTimeout
}
func (m *MesosCommandBase) targets() []MesosCommandTarget {
if m != nil {
return m.TargetList
}
return nil
}