70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package executor
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import (
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mesos "github.com/mesos/mesos-go/mesosproto"
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)
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type NodeInfo struct {
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Cores int
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Mem uint64 // in bytes
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}
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func nodeInfo(si *mesos.SlaveInfo, ei *mesos.ExecutorInfo) NodeInfo {
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var executorCPU, executorMem float64
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// get executor resources
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if ei != nil {
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for _, r := range ei.GetResources() {
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if r == nil || r.GetType() != mesos.Value_SCALAR {
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continue
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}
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switch r.GetName() {
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case "cpus":
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executorCPU += r.GetScalar().GetValue()
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case "mem":
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executorMem += r.GetScalar().GetValue()
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}
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}
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}
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// get resource capacity of the node
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ni := NodeInfo{}
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for _, r := range si.GetResources() {
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if r == nil || r.GetType() != mesos.Value_SCALAR {
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continue
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}
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switch r.GetName() {
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case "cpus":
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// We intentionally take the floor of executorCPU because cores are integers
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// and we would loose a complete cpu here if the value is <1.
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// TODO(sttts): switch to float64 when "Machine Allocables" are implemented
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ni.Cores += int(r.GetScalar().GetValue())
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case "mem":
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ni.Mem += uint64(r.GetScalar().GetValue()) * 1024 * 1024
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}
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}
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// TODO(sttts): subtract executorCPU/Mem from static pod resources before subtracting them from the capacity
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ni.Cores -= int(executorCPU)
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ni.Mem -= uint64(executorMem) * 1024 * 1024
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return ni
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}
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