-
Notifications
You must be signed in to change notification settings - Fork 804
/
ipset.go
74 lines (62 loc) · 2.18 KB
/
ipset.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
// Copyright 2020 Chaos Mesh 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package ipset
import (
"context"
"fmt"
v1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
"github.com/chaos-mesh/chaos-mesh/controllers/podnetworkchaos/netutils"
"github.com/chaos-mesh/chaos-mesh/controllers/utils"
pb "github.com/chaos-mesh/chaos-mesh/pkg/chaosdaemon/pb"
)
// BuildIPSet builds an ipset with provided pod ip list
func BuildIPSet(pods []v1.Pod, externalCidrs []string, networkchaos *v1alpha1.NetworkChaos, namePostFix string, source string) v1alpha1.RawIPSet {
name := GenerateIPSetName(networkchaos, namePostFix)
cidrs := externalCidrs
for _, pod := range pods {
if len(pod.Status.PodIP) > 0 {
cidrs = append(cidrs, netutils.IPToCidr(pod.Status.PodIP))
}
}
return v1alpha1.RawIPSet{
Name: name,
Cidrs: cidrs,
RawRuleSource: v1alpha1.RawRuleSource{
Source: source,
},
}
}
// GenerateIPSetName generates name for ipset
func GenerateIPSetName(networkchaos *v1alpha1.NetworkChaos, namePostFix string) string {
return netutils.CompressName(networkchaos.Name, 27, namePostFix)
}
// FlushIPSets makes grpc calls to chaosdaemon to save ipset
func FlushIPSets(ctx context.Context, c client.Client, pod *v1.Pod, ipsets []*pb.IPSet) error {
pbClient, err := utils.NewChaosDaemonClient(ctx, c, pod)
if err != nil {
return err
}
defer pbClient.Close()
if len(pod.Status.ContainerStatuses) == 0 {
return fmt.Errorf("%s %s can't get the state of container", pod.Namespace, pod.Name)
}
containerID := pod.Status.ContainerStatuses[0].ContainerID
_, err = pbClient.FlushIPSets(ctx, &pb.IPSetsRequest{
Ipsets: ipsets,
ContainerId: containerID,
EnterNS: true,
})
return err
}