/
gameserversets.go
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/
gameserversets.go
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// Copyright 2018 Google LLC All Rights Reserved.
//
// 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 gameserversets
import (
"sort"
agonesv1 "agones.dev/agones/pkg/apis/agones/v1"
listerv1 "agones.dev/agones/pkg/client/listers/agones/v1"
"agones.dev/agones/pkg/gameservers"
"github.com/pkg/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
// sortGameServersByLeastFullNodes sorts the list of gameservers by which gameservers reside on the least full nodes
func sortGameServersByLeastFullNodes(list []*agonesv1.GameServer, count map[string]gameservers.NodeCount) []*agonesv1.GameServer {
sort.Slice(list, func(i, j int) bool {
a := list[i]
b := list[j]
// not scheduled yet/node deleted, put them first
ac, ok := count[a.Status.NodeName]
if !ok {
return true
}
bc, ok := count[b.Status.NodeName]
if !ok {
return false
}
return (ac.Allocated + ac.Ready) < (bc.Allocated + bc.Ready)
})
return list
}
// sortGameServersByNewFirst sorts by newest gameservers first, and returns them
func sortGameServersByNewFirst(list []*agonesv1.GameServer) []*agonesv1.GameServer {
sort.Slice(list, func(i, j int) bool {
a := list[i]
b := list[j]
return a.ObjectMeta.CreationTimestamp.Before(&b.ObjectMeta.CreationTimestamp)
})
return list
}
// ListGameServersByGameServerSetOwner lists the GameServers for a given GameServerSet
func ListGameServersByGameServerSetOwner(gameServerLister listerv1.GameServerLister,
gsSet *agonesv1.GameServerSet) ([]*agonesv1.GameServer, error) {
list, err := gameServerLister.List(labels.SelectorFromSet(labels.Set{agonesv1.GameServerSetGameServerLabel: gsSet.ObjectMeta.Name}))
if err != nil {
return list, errors.Wrapf(err, "error listing gameservers for gameserverset %s", gsSet.ObjectMeta.Name)
}
var result []*agonesv1.GameServer
for _, gs := range list {
if metav1.IsControlledBy(gs, gsSet) {
result = append(result, gs)
}
}
return result, nil
}