Files
kubesphere/pkg/models/resources/deployments.go
hongming 05e949103e refactor resources API
Signed-off-by: hongming <talonwan@yunify.com>
2020-01-10 10:28:14 +08:00

136 lines
3.4 KiB
Go

/*
Copyright 2019 The KubeSphere Authors.
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 resources
import (
"kubesphere.io/kubesphere/pkg/informers"
"kubesphere.io/kubesphere/pkg/server/params"
"sort"
"strings"
"time"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/api/apps/v1"
)
type deploymentSearcher struct {
}
func (*deploymentSearcher) get(namespace, name string) (interface{}, error) {
return informers.SharedInformerFactory().Apps().V1().Deployments().Lister().Deployments(namespace).Get(name)
}
func deploymentStatus(item *v1.Deployment) string {
if item.Spec.Replicas != nil {
if item.Status.ReadyReplicas == 0 && *item.Spec.Replicas == 0 {
return StatusStopped
} else if item.Status.ReadyReplicas == *item.Spec.Replicas {
return StatusRunning
} else {
return StatusUpdating
}
}
return StatusStopped
}
// Exactly Match
func (*deploymentSearcher) match(kv map[string]string, item *v1.Deployment) bool {
for k, v := range kv {
switch k {
case Status:
if deploymentStatus(item) != v {
return false
}
default:
if !match(k, v, item.ObjectMeta) {
return false
}
}
}
return true
}
func (*deploymentSearcher) fuzzy(kv map[string]string, item *v1.Deployment) bool {
for k, v := range kv {
if !fuzzy(k, v, item.ObjectMeta) {
return false
}
}
return true
}
func (s *deploymentSearcher) compare(a, b *v1.Deployment, orderBy string) bool {
switch orderBy {
case UpdateTime:
aLastUpdateTime := s.lastUpdateTime(a)
bLastUpdateTime := s.lastUpdateTime(b)
if aLastUpdateTime.Equal(bLastUpdateTime) {
return strings.Compare(a.Name, b.Name) <= 0
}
return aLastUpdateTime.Before(bLastUpdateTime)
default:
return compare(a.ObjectMeta, b.ObjectMeta, orderBy)
}
}
func (s *deploymentSearcher) lastUpdateTime(deployment *v1.Deployment) time.Time {
lastUpdateTime := deployment.CreationTimestamp.Time
for _, condition := range deployment.Status.Conditions {
if condition.LastUpdateTime.After(lastUpdateTime) {
lastUpdateTime = condition.LastUpdateTime.Time
}
}
return lastUpdateTime
}
func (s *deploymentSearcher) search(namespace string, conditions *params.Conditions, orderBy string, reverse bool) ([]interface{}, error) {
deployments, err := informers.SharedInformerFactory().Apps().V1().Deployments().Lister().Deployments(namespace).List(labels.Everything())
if err != nil {
return nil, err
}
result := make([]*v1.Deployment, 0)
if len(conditions.Match) == 0 && len(conditions.Fuzzy) == 0 {
result = deployments
} else {
for _, item := range deployments {
if s.match(conditions.Match, item) && s.fuzzy(conditions.Fuzzy, item) {
result = append(result, item)
}
}
}
sort.Slice(result, func(i, j int) bool {
if reverse {
tmp := i
i = j
j = tmp
}
return s.compare(result[i], result[j], orderBy)
})
r := make([]interface{}, 0)
for _, i := range result {
r = append(r, i)
}
return r, nil
}