-
Notifications
You must be signed in to change notification settings - Fork 96
/
worker.go
122 lines (100 loc) · 4.68 KB
/
worker.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
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
// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 validation
import (
"fmt"
apisaws "github.com/gardener/gardener-extension-provider-aws/pkg/apis/aws"
apisawshelper "github.com/gardener/gardener-extension-provider-aws/pkg/apis/aws/helper"
"github.com/gardener/gardener/pkg/apis/core"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/validation/field"
)
// ValidateWorkerConfig validates a WorkerConfig object.
func ValidateWorkerConfig(workerConfig *apisaws.WorkerConfig, volume *core.Volume, dataVolumes []core.DataVolume, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if volume != nil && volume.Type != nil {
allErrs = append(allErrs, validateVolumeConfig(workerConfig.Volume, *volume.Type, fldPath.Child("volume"))...)
}
var (
dataVolumeNames = sets.NewString()
dataVolumeConfigNames = sets.NewString()
)
for i, dv := range dataVolumes {
if dv.Type != nil {
dataVolumeNames.Insert(dv.Name)
var vol *apisaws.Volume
if dvConfig := apisawshelper.FindDataVolumeByName(workerConfig.DataVolumes, dv.Name); dvConfig != nil {
vol = &dvConfig.Volume
}
allErrs = append(allErrs, validateVolumeConfig(vol, *dv.Type, fldPath.Child("dataVolumes").Index(i))...)
}
}
for i, dv := range workerConfig.DataVolumes {
idxPath := fldPath.Child("dataVolumes").Index(i)
if !dataVolumeNames.Has(dv.Name) {
allErrs = append(allErrs, field.Invalid(idxPath.Child("name"), dv.Name, fmt.Sprintf("%s not found in data volumes configured in worker pool", dv.Name)))
}
if dataVolumeConfigNames.Has(dv.Name) {
allErrs = append(allErrs, field.Duplicate(idxPath.Child("name"), dv.Name))
} else {
dataVolumeConfigNames.Insert(dv.Name)
}
}
if iam := workerConfig.IAMInstanceProfile; iam != nil {
if (iam.Name == nil && iam.ARN == nil) || (iam.Name != nil && iam.ARN != nil) {
allErrs = append(allErrs, field.Invalid(fldPath.Child("iamInstanceProfile"), iam, "either <name> or <arn> must be provided"))
}
if iam.Name != nil && len(*iam.Name) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("iamInstanceProfile", "name"), "name must not be empty"))
}
if iam.ARN != nil && len(*iam.ARN) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("iamInstanceProfile", "arn"), "arn must not be empty"))
}
}
if nodeTemplate := workerConfig.NodeTemplate; nodeTemplate != nil {
for _, capacityAttribute := range []corev1.ResourceName{"cpu", "gpu", "memory"} {
value, ok := nodeTemplate.Capacity[capacityAttribute]
if !ok {
allErrs = append(allErrs, field.Required(fldPath.Child("nodeTemplate").Child("capacity"), fmt.Sprintf("%s is a mandatory field", capacityAttribute)))
continue
}
allErrs = append(allErrs, validateResourceQuantityValue(capacityAttribute, value, fldPath.Child("nodeTemplate").Child("capacity").Child(string(capacityAttribute)))...)
}
}
return allErrs
}
func validateResourceQuantityValue(key corev1.ResourceName, value resource.Quantity, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if value.Cmp(resource.Quantity{}) < 0 {
allErrs = append(allErrs, field.Invalid(fldPath, value.String(), fmt.Sprintf("%s value must not be negative", key)))
}
return allErrs
}
func validateVolumeConfig(volume *apisaws.Volume, volumeType string, fldPath *field.Path) field.ErrorList {
var allErrs field.ErrorList
iopsPath := fldPath.Child("iops")
if volume != nil && volume.IOPS != nil {
if *volume.IOPS <= 0 {
allErrs = append(allErrs, field.Forbidden(iopsPath, "iops must be a positive value"))
}
} else if volumeType == string(apisaws.VolumeTypeIO1) {
allErrs = append(allErrs, field.Required(iopsPath, fmt.Sprintf("iops must be provided when using %s volumes", apisaws.VolumeTypeIO1)))
}
if volume != nil && volume.Throughput != nil && *volume.Throughput <= 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("throughput"), *volume.Throughput, "throughput must be a positive value"))
}
return allErrs
}