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Added a HostMismatch(...) in offerUtils that checks whether a task's host requirement matches the host corresponding to the offer. Made sure all schedulers call takeOffer(...) that is defined in each scheduler, to maintain consistency.

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This commit is contained in:
Pradyumna Kaushik 2017-02-09 22:48:34 -05:00
commit 6c62b5326f
20 changed files with 175 additions and 239 deletions

28
schedulers/bpswClassMapWatts.go
View file

@ -12,21 +12,20 @@ import (
"log"
"os"
"sort"
"strings"
"time"
)
// Decides if to take an offer or not
func (*BPSWClassMapWatts) takeOffer(offer *mesos.Offer, task def.Task) bool {
cpus, mem, watts := offerUtils.OfferAgg(offer)
func (s *BPSWClassMapWatts) takeOffer(offer *mesos.Offer, totalCPU, totalRAM,
totalWatts float64, powerClass string, task def.Task) bool {
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
//TODO: Insert watts calculation here instead of taking them as a parameter
if cpus >= task.CPU && mem >= task.RAM && watts >= task.Watts {
if (s.ignoreWatts || (offerWatts >= (totalWatts + task.ClassToWatts[powerClass]))) &&
(offerCPU >= (totalCPU + task.CPU)) &&
(offerRAM >= (totalRAM + task.RAM)) {
return true
}
return false
}
@ -141,8 +140,6 @@ func (s *BPSWClassMapWatts) ResourceOffers(driver sched.SchedulerDriver, offers
tasks := []*mesos.TaskInfo{}
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
offerTaken := false
totalWatts := 0.0
totalCPU := 0.0
@ -150,12 +147,9 @@ func (s *BPSWClassMapWatts) ResourceOffers(driver sched.SchedulerDriver, offers
for i := 0; i < len(s.tasks); i++ {
task := s.tasks[i]
// Check host if it exists
if task.Host != "" {
// Don't take offer if it doesn't match our task's host requirement
if !strings.HasPrefix(*offer.Hostname, task.Host) {
continue
}
// Don't take offer if it doesn't match our task's host requirement
if offerUtils.HostMismatch(*offer.Hostname, task.Host) {
continue
}
for *task.Instances > 0 {
@ -163,9 +157,7 @@ func (s *BPSWClassMapWatts) ResourceOffers(driver sched.SchedulerDriver, offers
// Does the task fit
// OR lazy evaluation. If ignore watts is set to true, second statement won't
// be evaluated.
if (s.ignoreWatts || (offerWatts >= (totalWatts + task.ClassToWatts[powerClass]))) &&
(offerCPU >= (totalCPU + task.CPU)) &&
(offerRAM >= (totalRAM + task.RAM)) {
if s.takeOffer(offer, totalCPU, totalRAM, totalWatts, powerClass, task) {
fmt.Println("Watts being used: ", task.ClassToWatts[powerClass])
offerTaken = true