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
package childapplication
import (
"cmp"
"crypto/sha256"
"encoding/hex"
"strings"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
commonv1 "github.com/johnandersen777/socialweb-computer-kcp/api/common/v1alpha1"
"github.com/johnandersen777/socialweb-computer-kcp/api/v1alpha1"
)
const (
NetworkLabel = "childapplication.socialweb.computer/network"
AppLabel = "childapplication.socialweb.computer/app"
childNameMax = 63
childHashLen = 8
)
func Children(network *v1alpha1.MarketNetwork) []*v1alpha1.ChildApplication {
if network == nil {
return nil
}
profiles := map[string]string{}
for _, app := range network.Spec.Apps {
profiles[app.Name] = app.Profile
}
owner := metav1.OwnerReference{APIVersion: v1alpha1.GroupVersion.String(), Kind: "MarketNetwork", Name: network.Name, UID: network.UID}
seen := map[string]bool{}
var out []*v1alpha1.ChildApplication
for _, app := range network.Status.Apps {
if app.Name == "" || seen[app.Name] {
continue
}
seen[app.Name] = true
child := &v1alpha1.ChildApplication{
ObjectMeta: metav1.ObjectMeta{Name: ChildName(network.Name, app.Name), Labels: map[string]string{NetworkLabel: network.Name, AppLabel: app.Name}},
Spec: v1alpha1.ChildApplicationSpec{NetworkRef: commonv1.LocalObjectRef{Name: network.Name}, App: app.Name, Profile: profiles[app.Name]},
}
if network.UID != "" {
child.OwnerReferences = []metav1.OwnerReference{owner}
}
out = append(out, child)
}
return out
}
func ChildName(network, app string) string {
sum := sha256.Sum256([]byte(network + "\x00" + app))
suffix := hex.EncodeToString(sum[:])[:childHashLen]
base := sanitizeName(network + "-" + app)
limit := childNameMax - childHashLen - 1
if len(base) > limit {
base = strings.Trim(base[:limit], "-")
}
base = cmp.Or(base, "child")
return base + "-" + suffix
}
func sanitizeName(s string) string {
s = strings.ToLower(s)
var b strings.Builder
for _, r := range s {
switch {
case r >= 'a' && r <= 'z', r >= '0' && r <= '9':
b.WriteRune(r)
default:
b.WriteByte('-')
}
}
return strings.Trim(b.String(), "-")
}
