func (t *T) AcceptOffer(offer *mesos.Offer) bool {
if offer == nil {
return false
}
// if the user has specified a target host, make sure this offer is for that host
if t.Pod.Spec.NodeName != "" && offer.GetHostname() != t.Pod.Spec.NodeName {
return false
}
// check ports
if _, err := t.mapper.Generate(t, offer); err != nil {
log.V(3).Info(err)
return false
}
// find offered cpu and mem
var (
offeredCpus mresource.CPUShares
offeredMem mresource.MegaBytes
)
for _, resource := range offer.Resources {
if resource.GetName() == "cpus" {
offeredCpus = mresource.CPUShares(*resource.GetScalar().Value)
}
if resource.GetName() == "mem" {
offeredMem = mresource.MegaBytes(*resource.GetScalar().Value)
}
}
// calculate cpu and mem sum over all containers of the pod
// TODO (@sttts): also support pod.spec.resources.limit.request
// TODO (@sttts): take into account the executor resources
cpu := mresource.PodCPULimit(&t.Pod)
mem := mresource.PodMemLimit(&t.Pod)
log.V(4).Infof("trying to match offer with pod %v/%v: cpus: %.2f mem: %.2f MB", t.Pod.Namespace, t.Pod.Name, cpu, mem)
if (cpu > offeredCpus) || (mem > offeredMem) {
log.V(3).Infof("not enough resources for pod %v/%v: cpus: %.2f mem: %.2f MB", t.Pod.Namespace, t.Pod.Name, cpu, mem)
return false
}
return true
}
mutil "github.com/mesos/mesos-go/mesosutil"
bindings "github.com/mesos/mesos-go/scheduler"
"github.com/prometheus/client_golang/prometheus"
"github.com/spf13/pflag"
"golang.org/x/net/context"
)
const (
defaultMesosMaster = "localhost:5050"
defaultMesosUser = "******" // should have privs to execute docker and iptables commands
defaultReconcileInterval = 300 // 5m default task reconciliation interval
defaultReconcileCooldown = 15 * time.Second
defaultFrameworkName = "Kubernetes"
executorCPUs = mresource.CPUShares(0.25) // initial CPU allocated for executor
executorMem = mresource.MegaBytes(64.0) // initial memory allocated for executor
)
type SchedulerServer struct {
Port int
Address util.IP
EnableProfiling bool
AuthPath string
APIServerList util.StringList
EtcdServerList util.StringList
EtcdConfigFile string
AllowPrivileged bool
ExecutorPath string
ProxyPath string
MesosMaster string
MesosUser string