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Fixed the comments to be capitalized at the start and also terminate with a period.

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This commit is contained in:
Pradyumna Kaushik 2017-09-28 15:36:47 -04:00
parent 577120ae7c
commit b807625b78
19 changed files with 194 additions and 201 deletions
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31
schedulers/first-fit.go
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@ -13,7 +13,7 @@ import (
"time"
)
// Decides if to take an offer or not
// Decides if to take an offer or not.
func (s *FirstFit) takeOffer(offer *mesos.Offer, task def.Task) bool {
cpus, mem, watts := offerUtils.OfferAgg(offer)
@ -22,7 +22,7 @@ func (s *FirstFit) takeOffer(offer *mesos.Offer, task def.Task) bool {
wattsConsideration, err := def.WattsToConsider(task, s.classMapWatts, offer)
if err != nil {
// Error in determining wattsConsideration
// Error in determining wattsConsideration.
log.Fatal(err)
}
if cpus >= task.CPU && mem >= task.RAM && (!s.wattsAsAResource || watts >= wattsConsideration) {
@ -32,12 +32,12 @@ func (s *FirstFit) takeOffer(offer *mesos.Offer, task def.Task) bool {
return false
}
// elektronScheduler implements the Scheduler interface
// Elektron scheduler implements the Scheduler interface.
type FirstFit struct {
base // Type embedded to inherit common functions
}
// Initialization
// Initialization.
func (s *FirstFit) init(opts ...schedPolicyOption) {
s.base.init(opts...)
}
@ -47,17 +47,17 @@ func (s *FirstFit) newTask(offer *mesos.Offer, task def.Task) *mesos.TaskInfo {
s.tasksCreated++
if !*s.RecordPCP {
// Turn on logging
// Turn on logging.
*s.RecordPCP = true
time.Sleep(1 * time.Second) // Make sure we're recording by the time the first task starts
time.Sleep(1 * time.Second) // Make sure we're recording by the time the first task starts.
}
// If this is our first time running into this Agent
// If this is our first time running into this Agent.
if _, ok := s.running[offer.GetSlaveId().GoString()]; !ok {
s.running[offer.GetSlaveId().GoString()] = make(map[string]bool)
}
// Add task to list of tasks running on node
// Add task to list of tasks running on node.
s.running[offer.GetSlaveId().GoString()][taskName] = true
resources := []*mesos.Resource{
@ -70,7 +70,7 @@ func (s *FirstFit) newTask(offer *mesos.Offer, task def.Task) *mesos.TaskInfo {
log.Printf("Watts considered for host[%s] and task[%s] = %f", *offer.Hostname, task.Name, wattsToConsider)
resources = append(resources, mesosutil.NewScalarResource("watts", wattsToConsider))
} else {
// Error in determining wattsConsideration
// Error in determining wattsConsideration.
log.Fatal(err)
}
}
@ -112,18 +112,17 @@ func (s *FirstFit) ResourceOffers(driver sched.SchedulerDriver, offers []*mesos.
tasks := []*mesos.TaskInfo{}
// First fit strategy
// First fit strategy.
offerTaken := false
for i := 0; i < len(s.tasks); i++ {
task := s.tasks[i]
// Don't take offer if it doesn't match our task's host requirement
// Don't take offer if it doesn't match our task's host requirement.
if offerUtils.HostMismatch(*offer.Hostname, task.Host) {
continue
}
// Decision to take the offer or not
// Decision to take the offer or not.
if s.takeOffer(offer, task) {
log.Println("Co-Located with: ")
@ -142,7 +141,7 @@ func (s *FirstFit) ResourceOffers(driver sched.SchedulerDriver, offers []*mesos.
*task.Instances--
if *task.Instances <= 0 {
// All instances of task have been scheduled, remove it
// All instances of task have been scheduled, remove it.
s.tasks[i] = s.tasks[len(s.tasks)-1]
s.tasks = s.tasks[:len(s.tasks)-1]
@ -151,11 +150,11 @@ func (s *FirstFit) ResourceOffers(driver sched.SchedulerDriver, offers []*mesos.
close(s.Shutdown)
}
}
break // Offer taken, move on
break // Offer taken, move on.
}
}
// If there was no match for the task
// If there was no match for the task.
if !offerTaken {
fmt.Println("There is not enough resources to launch a task:")
cpus, mem, watts := offerUtils.OfferAgg(offer)