forked from google/cadvisor
/
filter.go
93 lines (81 loc) · 2.39 KB
/
filter.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
// Copyright 2014 Google Inc. 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 container
import (
"strings"
"github.com/google/cadvisor/info"
)
type containerListFilter struct {
filter func(string) bool
handler ContainerHandler
}
func (self *containerListFilter) ContainerReference() (info.ContainerReference, error) {
return self.handler.ContainerReference()
}
func (self *containerListFilter) GetSpec() (*info.ContainerSpec, error) {
return self.handler.GetSpec()
}
func (self *containerListFilter) GetStats() (*info.ContainerStats, error) {
return self.handler.GetStats()
}
func (self *containerListFilter) ListContainers(listType ListType) ([]info.ContainerReference, error) {
containers, err := self.handler.ListContainers(listType)
if err != nil {
return nil, err
}
if len(containers) == 0 {
return nil, nil
}
ret := make([]info.ContainerReference, 0, len(containers))
for _, c := range containers {
if self.filter(c.Name) {
ret = append(ret, c)
}
}
return ret, nil
}
func (self *containerListFilter) ListThreads(listType ListType) ([]int, error) {
return self.handler.ListThreads(listType)
}
func (self *containerListFilter) ListProcesses(listType ListType) ([]int, error) {
return self.handler.ListProcesses(listType)
}
func NewWhiteListFilter(handler ContainerHandler, acceptedPaths ...string) ContainerHandler {
filter := func(p string) bool {
for _, path := range acceptedPaths {
if strings.HasPrefix(p, path) {
return true
}
}
return false
}
return &containerListFilter{
filter: filter,
handler: handler,
}
}
func NewBlackListFilter(handler ContainerHandler, forbiddenPaths ...string) ContainerHandler {
filter := func(p string) bool {
for _, path := range forbiddenPaths {
if strings.HasPrefix(p, path) {
return false
}
}
return true
}
return &containerListFilter{
filter: filter,
handler: handler,
}
}