mirror of
https://github.com/yunionio/cloudpods.git
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78 lines
2.1 KiB
Go
78 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/compute/models"
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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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const (
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ExpectedStatus = "running"
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ExpectedHostStatus = "online"
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ExpectedEnableStatus = "enable"
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)
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// StatusPredicate is to filter the current state of host is available,
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// not available host's capacity will be set to 0 and filtered out.
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type StatusPredicate struct {
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predicates.BasePredicate
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}
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func (p *StatusPredicate) Name() string {
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return "host_status"
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}
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func (p *StatusPredicate) Clone() core.FitPredicate {
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return &StatusPredicate{}
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}
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func (p *StatusPredicate) Execute(u *core.Unit, c core.Candidater) (bool, []core.PredicateFailureReason, error) {
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h := predicates.NewPredicateHelper(p, u, c)
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hc, err := h.HostCandidate()
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if err != nil {
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return false, nil, err
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}
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curStatus := hc.Status
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curHostStatus := hc.HostStatus
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curEnableStatus := hc.Enabled
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if curStatus != ExpectedStatus {
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h.Exclude2("status", curStatus, ExpectedStatus)
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}
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if curHostStatus != ExpectedHostStatus {
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h.Exclude2("host_status", curHostStatus, ExpectedHostStatus)
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}
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if !curEnableStatus {
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h.Exclude2("enable_status", curEnableStatus, true)
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}
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if hc.Zone.Status != ExpectedEnableStatus {
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h.Exclude2("zone_status", hc.Zone.Status, ExpectedEnableStatus)
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}
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if hc.Cloudprovider != nil {
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if hc.Cloudprovider.Status != models.CLOUD_PROVIDER_CONNECTED {
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h.Exclude2("cloud_provider_status", hc.Cloudprovider.Status, models.CLOUD_PROVIDER_CONNECTED)
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}
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}
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return h.GetResult()
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}
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