func NewPodFitsResourcesPredicate(c mresource.CPUShares, m mresource.MegaBytes) func(t *T, offer *mesos.Offer, _ *api.Node) bool {
return func(t *T, offer *mesos.Offer, _ *api.Node) bool {
// 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.CPUForPod(&t.Pod, c)
mem := mresource.MemForPod(&t.Pod, m)
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
}
}
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 the NodeSelector
if len(t.Pod.Spec.NodeSelector) > 0 {
slaveLabels := map[string]string{}
for _, a := range offer.Attributes {
if a.GetType() == mesos.Value_TEXT {
slaveLabels[a.GetName()] = a.GetText().GetValue()
}
}
selector := labels.SelectorFromSet(t.Pod.Spec.NodeSelector)
if !selector.Matches(labels.Set(slaveLabels)) {
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
}
clientauth "k8s.io/kubernetes/pkg/client/unversioned/auth"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/healthz"
"k8s.io/kubernetes/pkg/master/ports"
etcdstorage "k8s.io/kubernetes/pkg/storage/etcd"
"k8s.io/kubernetes/pkg/tools"
)
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
defaultNodeRelistPeriod = 5 * time.Minute
defaultFrameworkName = "Kubernetes"
defaultExecutorCPUs = mresource.CPUShares(0.25) // initial CPU allocated for executor
defaultExecutorMem = mresource.MegaBytes(128.0) // initial memory allocated for executor
)
type SchedulerServer struct {
Port int
Address net.IP
EnableProfiling bool
AuthPath string
APIServerList []string
EtcdServerList []string
EtcdConfigFile string
AllowPrivileged bool
ExecutorPath string
ProxyPath string
MesosMaster string