/
inject.go
71 lines (57 loc) · 2.09 KB
/
inject.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
// Copyright 2019 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 webhook
import (
"context"
"net/http"
"github.com/chaos-mesh/chaos-mesh/controllers/metrics"
controllerCfg "github.com/chaos-mesh/chaos-mesh/pkg/config"
"github.com/chaos-mesh/chaos-mesh/pkg/webhook/config"
"github.com/chaos-mesh/chaos-mesh/pkg/webhook/inject"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
v1 "k8s.io/api/core/v1"
)
var log = ctrl.Log.WithName("inject-webhook")
// +kubebuilder:webhook:path=/inject-v1-pod,mutating=false,failurePolicy=fail,groups="",resources=pods,verbs=create;update,versions=v1,name=vpod.kb.io
// PodInjector is pod template config injector
type PodInjector struct {
client client.Client
decoder *admission.Decoder
Config *config.Config
ControllerCfg *controllerCfg.ChaosControllerConfig
Metrics *metrics.ChaosCollector
}
// Handle is pod injector handler
func (v *PodInjector) Handle(ctx context.Context, req admission.Request) admission.Response {
pod := &v1.Pod{}
err := v.decoder.Decode(req, pod)
if err != nil {
return admission.Errored(http.StatusBadRequest, err)
}
log.Info("Get request from pod:", "pod", pod)
return admission.Response{
AdmissionResponse: *inject.Inject(&req.AdmissionRequest, v.client, v.Config, v.ControllerCfg, v.Metrics),
}
}
// InjectClient is pod injector client
func (v *PodInjector) InjectClient(c client.Client) error {
v.client = c
return nil
}
// InjectDecoder is pod injector decoder
func (v *PodInjector) InjectDecoder(d *admission.Decoder) error {
v.decoder = d
return nil
}