func NewCPMd(port int, mgr *metamgr.MetadataManager) *CEPM {
c := setupCPMd(port)
var err error
c.mgr = mgr
mgr.GetRootNode().CreateChildIfNotExists("cepmd")
c.cepmdNode, err = mgr.GetRootNode().GetChild("cepmd")
if err != nil {
log.Panic("Could not get cepmd child")
}
return c
}
func GetSchedulerState(mm *metadata_manager.MetadataManager) *SchedulerState {
var zkNode *metadata_manager.ZkNode
var err error
zkNode, err = mm.GetRootNode().GetChild("SchedulerState")
if err == zk.ErrNoNode {
ess := emptySchedulerState()
zkNode, err = mm.GetRootNode().MakeChildWithData("SchedulerState", ess.serialize(), false)
if err != nil {
log.Panic(err)
}
ess.zkNode = zkNode
return ess
} else {
ss, err := DeserializeSchedulerState(zkNode.GetData())
if err != nil {
log.Panic(err)
}
ss.zkNode = zkNode
return ss
}
}