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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
Copyright 2023 The KubeEdge 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 controller
import (
"context"
"encoding/json"
"fmt"
"strings"
jsonpatch "github.com/evanphx/json-patch"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
apimachineryType "k8s.io/apimachinery/pkg/types"
"k8s.io/klog/v2"
"github.com/kubeedge/kubeedge/cloud/pkg/common/util"
"github.com/kubeedge/kubeedge/common/constants"
"github.com/kubeedge/kubeedge/pkg/apis/operations/v1alpha1"
crdClientset "github.com/kubeedge/kubeedge/pkg/client/clientset/versioned"
)
const ImagePrePull = "prepull"
func validateNode(node *v1.Node) bool {
if !util.IsEdgeNode(node) {
klog.Warningf("Node(%s) is not edge node", node.Name)
return false
}
// if node is in NotReady state, cannot prepull images
for _, condition := range node.Status.Conditions {
if condition.Type == v1.NodeReady && condition.Status != v1.ConditionTrue {
klog.Warningf("Node(%s) is in NotReady state", node.Name)
return false
}
}
return true
}
// buildPrePullResource build prepull resource in msg send to edge node
func buildPrePullResource(imagePrePullName, nodeName string) string {
resource := fmt.Sprintf("%s/%s/%s/%s", "node", nodeName, ImagePrePull, imagePrePullName)
return resource
}
func parsePrePullresource(resource string) (string, string, error) {
var nodeName, jobName string
sli := strings.Split(resource, constants.ResourceSep)
if len(sli) != 4 {
return nodeName, jobName, fmt.Errorf("the resource %s is not the standard type", resource)
}
return sli[1], sli[3], nil
}
func patchImagePrePullStatus(crdClient crdClientset.Interface, imagePrePull *v1alpha1.ImagePrePullJob, status *v1alpha1.ImagePrePullStatus) error {
oldValue := imagePrePull.DeepCopy()
newValue := updateNodeImagePrePullStatus(oldValue, status)
var completeFlag int
var failedFlag bool
newValue.Status.State = v1alpha1.PrePulling
for _, statusValue := range newValue.Status.Status {
if statusValue.State == v1alpha1.PrePullFailed {
failedFlag = true
completeFlag++
}
if statusValue.State == v1alpha1.PrePullSuccessful {
completeFlag++
}
}
if completeFlag == len(newValue.Status.Status) {
if failedFlag {
newValue.Status.State = v1alpha1.PrePullFailed
} else {
newValue.Status.State = v1alpha1.PrePullSuccessful
}
}
oldData, err := json.Marshal(oldValue)
if err != nil {
return fmt.Errorf("failed to marshal the old ImagePrePullJob(%s): %v", oldValue.Name, err)
}
newData, err := json.Marshal(newValue)
if err != nil {
return fmt.Errorf("failed to marshal the new ImagePrePullJob(%s): %v", newValue.Name, err)
}
patchBytes, err := jsonpatch.CreateMergePatch(oldData, newData)
if err != nil {
return fmt.Errorf("failed to create a merge patch: %v", err)
}
_, err = crdClient.OperationsV1alpha1().ImagePrePullJobs().Patch(context.TODO(), newValue.Name, apimachineryType.MergePatchType, patchBytes, metav1.PatchOptions{}, "status")
if err != nil {
return fmt.Errorf("failed to patch update ImagePrePullJob status: %v", err)
}
return nil
}
func updateNodeImagePrePullStatus(imagePrePull *v1alpha1.ImagePrePullJob, status *v1alpha1.ImagePrePullStatus) *v1alpha1.ImagePrePullJob {
// return value imageprepull cannot populate the input parameter old
newValue := imagePrePull.DeepCopy()
for index, nodeStatus := range newValue.Status.Status {
if nodeStatus.NodeName == status.NodeName {
newValue.Status.Status[index] = *status
return newValue
}
}
newValue.Status.Status = append(newValue.Status.Status, *status)
return newValue
}
|
