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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
parent aabdd716dd
commit 6c62b5326f
20 changed files with 175 additions and 239 deletions
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28
schedulers/firstfitSortedWattsClassMapWatts.go
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@ -12,10 +12,22 @@ import (
"log"
"os"
"sort"
"strings"
"time"
)
// Decides if to take an offer or not
func (s *FirstFitSortedWattsClassMapWatts) takeOffer(offer *mesos.Offer, powerClass string, task def.Task) bool {
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
//TODO: Insert watts calculation here instead of taking them as a parameter
// Decision to take the offer or not
if (s.ignoreWatts || (offerWatts >= task.ClassToWatts[powerClass])) &&
(offerCPU >= task.CPU) && (offerRAM >= task.RAM) {
return true
}
return false
}
// electron scheduler implements the Scheduler interface
type FirstFitSortedWattsClassMapWatts struct {
base // Type embedded to inherit common features.
@ -126,26 +138,20 @@ func (s *FirstFitSortedWattsClassMapWatts) ResourceOffers(driver sched.Scheduler
default:
}
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
// First fit strategy
offerTaken := false
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 doens'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
}
// retrieving the powerClass from the offer
powerClass := offerUtils.PowerClass(offer)
// Decision to take the offer or not
if (s.ignoreWatts || (offerWatts >= task.ClassToWatts[powerClass])) &&
(offerCPU >= task.CPU) && (offerRAM >= task.RAM) {
if s.takeOffer(offer, powerClass, task) {
fmt.Println("Watts being used: ", task.ClassToWatts[powerClass])
log.Println("Co-Located with: ")
coLocated(s.running[offer.GetSlaveId().GoString()])