docs/cluster/mesos/driver.go

108 lines
3.3 KiB
Go

package mesos
import (
"fmt"
log "github.com/Sirupsen/logrus"
"github.com/docker/swarm/cluster"
"github.com/mesos/mesos-go/mesosproto"
mesosscheduler "github.com/mesos/mesos-go/scheduler"
)
// Registered method for registered mesos framework
func (c *Cluster) Registered(driver mesosscheduler.SchedulerDriver, fwID *mesosproto.FrameworkID, masterInfo *mesosproto.MasterInfo) {
log.WithFields(log.Fields{"name": "mesos", "frameworkId": fwID.GetValue()}).Debug("Framework registered")
}
// Reregistered method for registered mesos framework
func (c *Cluster) Reregistered(mesosscheduler.SchedulerDriver, *mesosproto.MasterInfo) {
log.WithFields(log.Fields{"name": "mesos"}).Debug("Framework re-registered")
}
// Disconnected method
func (c *Cluster) Disconnected(mesosscheduler.SchedulerDriver) {
log.WithFields(log.Fields{"name": "mesos"}).Debug("Framework disconnected")
}
// ResourceOffers method
func (c *Cluster) ResourceOffers(_ mesosscheduler.SchedulerDriver, offers []*mesosproto.Offer) {
log.WithFields(log.Fields{"name": "mesos", "offers": len(offers)}).Debug("Offers received")
for _, offer := range offers {
slaveID := offer.SlaveId.GetValue()
dockerPort := c.dockerEnginePort
for _, attribute := range offer.GetAttributes() {
if attribute.GetName() == dockerPortAttribute {
switch attribute.GetType() {
case mesosproto.Value_SCALAR:
dockerPort = fmt.Sprintf("%d", int(attribute.GetScalar().GetValue()))
case mesosproto.Value_TEXT:
dockerPort = attribute.GetText().GetValue()
}
}
}
s, ok := c.slaves[slaveID]
if !ok {
engine := cluster.NewEngine(*offer.Hostname+":"+dockerPort, 0, c.engineOpts)
if err := engine.Connect(c.TLSConfig); err != nil {
log.Error(err)
} else {
s = newSlave(slaveID, engine)
c.slaves[slaveID] = s
if err := s.engine.RegisterEventHandler(c); err != nil {
log.Error(err)
}
}
}
c.addOffer(offer)
}
go c.pendingTasks.Process()
}
// OfferRescinded method
func (c *Cluster) OfferRescinded(mesosscheduler.SchedulerDriver, *mesosproto.OfferID) {
}
// StatusUpdate method
func (c *Cluster) StatusUpdate(_ mesosscheduler.SchedulerDriver, taskStatus *mesosproto.TaskStatus) {
log.WithFields(log.Fields{"name": "mesos", "state": taskStatus.State.String()}).Debug("Status update")
taskID := taskStatus.TaskId.GetValue()
slaveID := taskStatus.SlaveId.GetValue()
s, ok := c.slaves[slaveID]
if !ok {
return
}
if task, ok := s.tasks[taskID]; ok {
task.sendStatus(taskStatus)
} else {
var reason = ""
if taskStatus.Reason != nil {
reason = taskStatus.GetReason().String()
}
log.WithFields(log.Fields{
"name": "mesos",
"state": taskStatus.State.String(),
"slaveId": taskStatus.SlaveId.GetValue(),
"reason": reason,
}).Warn("Status update received for unknown slave")
}
}
// FrameworkMessage method
func (c *Cluster) FrameworkMessage(mesosscheduler.SchedulerDriver, *mesosproto.ExecutorID, *mesosproto.SlaveID, string) {
}
// SlaveLost method
func (c *Cluster) SlaveLost(mesosscheduler.SchedulerDriver, *mesosproto.SlaveID) {
}
// ExecutorLost method
func (c *Cluster) ExecutorLost(mesosscheduler.SchedulerDriver, *mesosproto.ExecutorID, *mesosproto.SlaveID, int) {
}
// Error method
func (c *Cluster) Error(d mesosscheduler.SchedulerDriver, msg string) {
log.WithFields(log.Fields{"name": "mesos"}).Error(msg)
}