mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-07-01 19:04:19 +08:00
86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
// Copyright 2019 Yunion
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package guest
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import (
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"yunion.io/x/onecloud/pkg/apis"
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"yunion.io/x/onecloud/pkg/scheduler/algorithm/predicates"
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"yunion.io/x/onecloud/pkg/scheduler/core"
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)
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// CPUPredicate check the current resources of the CPU is available,
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// it returns the maximum available capacity.
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type CPUPredicate struct {
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predicates.BasePredicate
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}
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func (f *CPUPredicate) Name() string {
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return "host_cpu"
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}
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func (f *CPUPredicate) Clone() core.FitPredicate {
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return &CPUPredicate{}
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}
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func (f *CPUPredicate) PreExecute(u *core.Unit, cs []core.Candidater) (bool, error) {
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if !u.GetHypervisorDriver().DoScheduleCPUFilter() {
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return false, nil
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}
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data := u.SchedData()
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if data.Ncpu <= 0 {
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return false, nil
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}
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return true, nil
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}
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func (f *CPUPredicate) Execute(u *core.Unit, c core.Candidater) (bool, []core.PredicateFailureReason, error) {
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h := predicates.NewPredicateHelper(f, u, c)
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d := u.SchedData()
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useRsvd := h.UseReserved()
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getter := c.Getter()
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archMatch := true
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isArmHost := getter.IsArmHost()
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if apis.IsARM(d.OsArch) {
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// process arm64 host
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if !isArmHost {
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archMatch = false
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}
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} else {
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// process x86_64 host
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if isArmHost {
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archMatch = false
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}
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}
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if !archMatch {
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h.Exclude2(predicates.ErrHostCpuArchitectureNotMatch, getter.CPUArch(), d.OsArch)
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return h.GetResult()
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}
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freeCPUCount := getter.FreeCPUCount(useRsvd)
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reqCPUCount := int64(d.Ncpu)
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if freeCPUCount < reqCPUCount {
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totalCPUCount := getter.TotalCPUCount(useRsvd)
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h.AppendInsufficientResourceError(reqCPUCount, totalCPUCount, freeCPUCount)
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}
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h.SetCapacity(freeCPUCount / reqCPUCount)
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return h.GetResult()
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}
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