134 lines
3.4 KiB
Go
134 lines
3.4 KiB
Go
package schedulers
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import (
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"bitbucket.org/sunybingcloud/elektron/constants"
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"bitbucket.org/sunybingcloud/elektron/def"
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elecLogDef "bitbucket.org/sunybingcloud/elektron/logging/def"
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"bitbucket.org/sunybingcloud/elektron/utilities"
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"bitbucket.org/sunybingcloud/elektron/utilities/mesosUtils"
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mesos "github.com/mesos/mesos-go/api/v0/mesosproto"
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sched "github.com/mesos/mesos-go/api/v0/scheduler"
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"github.com/pkg/errors"
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)
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func coLocated(tasks map[string]bool, s BaseScheduler) {
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for task := range tasks {
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s.Log(elecLogDef.GENERAL, task)
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}
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s.Log(elecLogDef.GENERAL, "---------------------")
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}
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// Get the powerClass of the given hostname.
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func hostToPowerClass(hostName string) string {
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for powerClass, hosts := range constants.PowerClasses {
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if _, ok := hosts[hostName]; ok {
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return powerClass
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}
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}
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return ""
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}
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// scheduler policy options to help initialize schedulers
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type schedPolicyOption func(e ElectronScheduler) error
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func WithSchedPolicy(schedPolicyName string) schedPolicyOption {
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return func(s ElectronScheduler) error {
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if schedPolicy, ok := SchedPolicies[schedPolicyName]; !ok {
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return errors.New("Incorrect scheduling policy.")
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} else {
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s.(*BaseScheduler).curSchedPolicy = schedPolicy
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return nil
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}
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}
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}
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func WithTasks(ts []def.Task) schedPolicyOption {
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return func(s ElectronScheduler) error {
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if ts == nil {
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return errors.New("Task[] is empty.")
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} else {
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s.(*BaseScheduler).tasks = ts
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return nil
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}
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}
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}
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func WithWattsAsAResource(waar bool) schedPolicyOption {
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return func(s ElectronScheduler) error {
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s.(*BaseScheduler).wattsAsAResource = waar
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return nil
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}
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}
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func WithClassMapWatts(cmw bool) schedPolicyOption {
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return func(s ElectronScheduler) error {
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s.(*BaseScheduler).classMapWatts = cmw
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return nil
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}
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}
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func WithRecordPCP(recordPCP *bool) schedPolicyOption {
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return func(s ElectronScheduler) error {
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s.(*BaseScheduler).RecordPCP = recordPCP
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return nil
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}
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}
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func WithShutdown(shutdown chan struct{}) schedPolicyOption {
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return func(s ElectronScheduler) error {
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if shutdown == nil {
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return errors.New("Shutdown channel is nil.")
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} else {
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s.(*BaseScheduler).Shutdown = shutdown
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return nil
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}
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}
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}
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func WithDone(done chan struct{}) schedPolicyOption {
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return func(s ElectronScheduler) error {
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if done == nil {
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return errors.New("Done channel is nil.")
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} else {
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s.(*BaseScheduler).Done = done
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return nil
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}
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}
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}
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func WithPCPLog(pcpLog chan struct{}) schedPolicyOption {
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return func(s ElectronScheduler) error {
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if pcpLog == nil {
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return errors.New("PCPLog channel is nil.")
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} else {
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s.(*BaseScheduler).PCPLog = pcpLog
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return nil
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}
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}
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}
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func WithLoggingChannels(lmt chan elecLogDef.LogMessageType, msg chan string) schedPolicyOption {
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return func(s ElectronScheduler) error {
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s.(*BaseScheduler).logMsgType = lmt
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s.(*BaseScheduler).logMsg = msg
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return nil
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}
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}
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func WithSchedPolSwitchEnabled(enableSchedPolicySwitch bool) schedPolicyOption {
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return func(s ElectronScheduler) error {
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s.(*BaseScheduler).schedPolSwitchEnabled = enableSchedPolicySwitch
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return nil
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}
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}
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// Launch tasks.
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func LaunchTasks(offerIDs []*mesos.OfferID, tasksToLaunch []*mesos.TaskInfo, driver sched.SchedulerDriver) {
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driver.LaunchTasks(offerIDs, tasksToLaunch, mesosUtils.DefaultFilter)
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// Update resource availability
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for _, task := range tasksToLaunch {
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utilities.ResourceAvailabilityUpdate("ON_TASK_ACTIVE_STATE", *task.TaskId, *task.SlaveId)
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}
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}
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