/
distribution.go
62 lines (52 loc) · 1.6 KB
/
distribution.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
// Copyright (c) 2021, and 2022 Cisco and/or its affiliates. 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 clustermeta
import (
"context"
"errors"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
var knownDistributions = []IsDistribution{
IsEKS,
IsPKE,
IsGKE,
IsAKS,
IsKIND,
IsIKS,
IsOpenShift,
}
type IsDistribution func(ctx context.Context, client client.Client, node *corev1.Node) (bool, string, error)
type UnknownDistributionError struct{}
func (UnknownDistributionError) Error() string {
return "unknown distribution"
}
func IsUnknownDistributionError(err error) bool {
return errors.As(err, &UnknownDistributionError{})
}
func DetectDistribution(ctx context.Context, client client.Client, node *corev1.Node) (string, error) {
for _, f := range knownDistributions {
select {
case <-ctx.Done():
return "", UnknownDistributionError{}
default:
if ok, distributionName, err := f(ctx, client, node); err != nil {
return "", err
} else if ok {
return distributionName, nil
}
}
}
return "", UnknownDistributionError{}
}