Files
kubesphere/pkg/models/resources/clusterroles.go
hongming 4144404b0b use go 1.12
Signed-off-by: hongming <talonwan@yunify.com>
2019-03-15 18:24:00 +08:00

122 lines
2.9 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/params"
"sort"
"strings"
rbac "k8s.io/api/rbac/v1"
"k8s.io/apimachinery/pkg/labels"
)
type clusterRoleSearcher struct {
}
// exactly Match
func (*clusterRoleSearcher) match(match map[string]string, item *rbac.ClusterRole) bool {
for k, v := range match {
switch k {
case name:
if item.Name != v && item.Labels[displayName] != v {
return false
}
default:
return false
}
}
return true
}
// Fuzzy searchInNamespace
func (*clusterRoleSearcher) fuzzy(fuzzy map[string]string, item *rbac.ClusterRole) bool {
for k, v := range fuzzy {
switch k {
case name:
if !strings.Contains(item.Name, v) && !strings.Contains(item.Labels[displayName], v) {
return false
}
case label:
if !searchFuzzy(item.Labels, "", v) {
return false
}
case annotation:
if !searchFuzzy(item.Annotations, "", v) {
return false
}
return false
case keyword:
if !strings.Contains(item.Name, v) && !searchFuzzy(item.Labels, "", v) && !searchFuzzy(item.Annotations, "", v) {
return false
}
default:
if !searchFuzzy(item.Labels, k, v) && !searchFuzzy(item.Annotations, k, v) {
return false
}
}
}
return true
}
func (*clusterRoleSearcher) compare(a, b *rbac.ClusterRole, orderBy string) bool {
switch orderBy {
case createTime:
return a.CreationTimestamp.Time.Before(b.CreationTimestamp.Time)
case name:
fallthrough
default:
return strings.Compare(a.Name, b.Name) <= 0
}
}
func (s *clusterRoleSearcher) search(conditions *params.Conditions, orderBy string, reverse bool) ([]interface{}, error) {
clusterRoles, err := informers.SharedInformerFactory().Rbac().V1().ClusterRoles().Lister().List(labels.Everything())
if err != nil {
return nil, err
}
result := make([]*rbac.ClusterRole, 0)
if len(conditions.Match) == 0 && len(conditions.Fuzzy) == 0 {
result = clusterRoles
} else {
for _, item := range clusterRoles {
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
}