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Added AddHostIfNew(..) utility function which is responsible to populate the constants.Hosts and constants.PowerClasses

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This commit is contained in:
Abhishek Jain 2017-03-24 16:27:14 -04:00
parent ed8799566b
commit 841c7d5ee8
1 changed files with 26 additions and 0 deletions
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26
utilities/offerUtils/offerUtils.go
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@ -1,8 +1,11 @@
package offerUtils
import (
"bitbucket.org/sunybingcloud/electron/constants"
mesos "github.com/mesos/mesos-go/mesosproto"
"strings"
"log"
"bitbucket.org/sunybingcloud/electron-archive/utilities/offerUtils"
)
func OfferAgg(offer *mesos.Offer) (float64, float64, float64) {
@ -60,3 +63,26 @@ func HostMismatch(offerHost string, taskHost string) bool {
}
return false
}
// If the host in the offer is a new host, add the host to the set of Hosts and
// register the powerclass of this host.
func AddHostIfNew(offer *mesos.Offer) {
var host = offer.GetHostname()
// If this host is not present in the set of hosts.
if _, ok := constants.Hosts[host]; !ok {
log.Printf("New host found. Adding host [%s]", host)
// Add this host.
constants.Hosts[host] = struct{}{}
// Get the power class of this host.
var class = offerUtils.PowerClass(offer)
log.Printf("Registering the power class of this host [%s] --> [%s]", host, class)
// If this class is a new power class, create a map for this class.
if _, ok := constants.PowerClasses[class]; !ok {
constants.PowerClasses[class] = make(map[string]struct{})
}
// If the host of this class is not yet present in PowerClasses[class], add it.
if _, ok:= constants.PowerClasses[class][host]; !ok{
constants.PowerClasses[class][host] = struct{}{}
}
}
}