Files
cloudpods/pkg/scheduler/algorithm/predicates/guest/status_predicate.go
2019-06-14 13:38:13 +08:00

82 lines
2.4 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package guest
import (
"yunion.io/x/pkg/utils"
api "yunion.io/x/onecloud/pkg/apis/compute"
"yunion.io/x/onecloud/pkg/scheduler/algorithm/predicates"
"yunion.io/x/onecloud/pkg/scheduler/core"
)
const (
ExpectedStatus = "running"
ExpectedHostStatus = "online"
ExpectedEnableStatus = "enable"
)
// StatusPredicate is to filter the current state of host is available,
// not available host's capacity will be set to 0 and filtered out.
type StatusPredicate struct {
predicates.BasePredicate
}
func (p *StatusPredicate) Name() string {
return "host_status"
}
func (p *StatusPredicate) Clone() core.FitPredicate {
return &StatusPredicate{}
}
func (p *StatusPredicate) Execute(u *core.Unit, c core.Candidater) (bool, []core.PredicateFailureReason, error) {
h := predicates.NewPredicateHelper(p, u, c)
getter := c.Getter()
curStatus := getter.Status()
curHostStatus := getter.HostStatus()
curEnableStatus := getter.Enabled()
if curStatus != ExpectedStatus {
h.Exclude2("status", curStatus, ExpectedStatus)
}
if curHostStatus != ExpectedHostStatus {
h.Exclude2("host_status", curHostStatus, ExpectedHostStatus)
}
if !curEnableStatus {
h.Exclude2("enable_status", curEnableStatus, true)
}
zone := getter.Zone()
if zone.Status != ExpectedEnableStatus {
h.Exclude2("zone_status", zone.Status, ExpectedEnableStatus)
}
cloudprovider := getter.Cloudprovider()
if cloudprovider != nil {
if !utils.IsInStringArray(cloudprovider.Status, api.CLOUD_PROVIDER_VALID_STATUS) {
h.Exclude2("cloud_provider_status", cloudprovider.Status, api.CLOUD_PROVIDER_VALID_STATUS)
}
if !utils.IsInStringArray(cloudprovider.HealthStatus, api.CLOUD_PROVIDER_VALID_HEALTH_STATUS) {
h.Exclude2("cloud_provider_health_status", cloudprovider.HealthStatus, api.CLOUD_PROVIDER_VALID_HEALTH_STATUS)
}
}
return h.GetResult()
}