forked from kubernetes/kops
/
conversion.go
303 lines (258 loc) · 8.2 KB
/
conversion.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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
/*
Copyright 2016 The Kubernetes 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 v1alpha1
import (
"fmt"
"reflect"
"sort"
"strings"
"k8s.io/apimachinery/pkg/conversion"
"k8s.io/kops/pkg/apis/kops"
)
func Convert_v1alpha1_BastionSpec_To_kops_BastionSpec(in *BastionSpec, out *kops.BastionSpec, s conversion.Scope) error {
out.BastionPublicName = in.PublicName
out.IdleTimeoutSeconds = in.IdleTimeout
if !in.Enable {
out.BastionPublicName = ""
out.IdleTimeoutSeconds = nil
}
return nil
}
func Convert_kops_BastionSpec_To_v1alpha1_BastionSpec(in *kops.BastionSpec, out *BastionSpec, s conversion.Scope) error {
out.PublicName = in.BastionPublicName
out.IdleTimeout = in.IdleTimeoutSeconds
out.Enable = true
out.MachineType = ""
return nil
}
func Convert_v1alpha1_ClusterSpec_To_kops_ClusterSpec(in *ClusterSpec, out *kops.ClusterSpec, s conversion.Scope) error {
topologyPrivate := false
if in.Topology != nil && in.Topology.Masters == TopologyPrivate {
topologyPrivate = true
}
if in.Zones != nil {
for _, z := range in.Zones {
if topologyPrivate {
// A private zone is mapped to a private- and a utility- subnet
if z.PrivateCIDR != "" {
out.Subnets = append(out.Subnets, kops.ClusterSubnetSpec{
Name: z.Name,
CIDR: z.PrivateCIDR,
ProviderID: z.ProviderID,
Zone: z.Name,
Type: kops.SubnetTypePrivate,
Egress: z.Egress,
})
}
if z.CIDR != "" {
out.Subnets = append(out.Subnets, kops.ClusterSubnetSpec{
Name: "utility-" + z.Name,
CIDR: z.CIDR,
Zone: z.Name,
Type: kops.SubnetTypeUtility,
Egress: z.Egress,
})
}
} else {
out.Subnets = append(out.Subnets, kops.ClusterSubnetSpec{
Name: z.Name,
CIDR: z.CIDR,
ProviderID: z.ProviderID,
Zone: z.Name,
Type: kops.SubnetTypePublic,
Egress: z.Egress,
})
}
}
} else {
out.Subnets = nil
}
adminAccess := in.AdminAccess
if len(adminAccess) == 0 {
// The default in v1alpha1 was 0.0.0.0/0
adminAccess = []string{"0.0.0.0/0"}
}
out.SSHAccess = adminAccess
out.KubernetesAPIAccess = adminAccess
return autoConvert_v1alpha1_ClusterSpec_To_kops_ClusterSpec(in, out, s)
}
// ByName implements sort.Interface for []*ClusterZoneSpec on the Name field.
type ByName []*ClusterZoneSpec
func (a ByName) Len() int {
return len(a)
}
func (a ByName) Swap(i, j int) {
a[i], a[j] = a[j], a[i]
}
func (a ByName) Less(i, j int) bool {
return a[i].Name < a[j].Name
}
func Convert_kops_ClusterSpec_To_v1alpha1_ClusterSpec(in *kops.ClusterSpec, out *ClusterSpec, s conversion.Scope) error {
topologyPrivate := false
if in.Topology != nil && in.Topology.Masters == TopologyPrivate {
topologyPrivate = true
}
if in.Subnets != nil {
zoneMap := make(map[string]*ClusterZoneSpec)
for _, s := range in.Subnets {
zoneName := s.Name
if s.Type == kops.SubnetTypeUtility {
if !strings.HasPrefix(zoneName, "utility-") {
return fmt.Errorf("cannot convert subnet to v1alpha1 when subnet with Type=utility does not have name starting with utility-: %q", zoneName)
}
zoneName = strings.TrimPrefix(zoneName, "utility-")
}
if s.Zone != zoneName {
return fmt.Errorf("cannot convert to v1alpha1 when subnet Zone != Name: %q != %q", s.Zone, s.Name)
}
zone := zoneMap[zoneName]
if zone == nil {
zone = &ClusterZoneSpec{
Name: s.Zone,
}
zoneMap[zoneName] = zone
}
if topologyPrivate {
subnetType := s.Type
if subnetType == "" {
subnetType = kops.SubnetTypePrivate
}
switch subnetType {
case kops.SubnetTypePrivate:
if zone.PrivateCIDR != "" || zone.ProviderID != "" {
return fmt.Errorf("cannot convert to v1alpha1: duplicate zone: %v", zone)
}
zone.PrivateCIDR = s.CIDR
zone.Egress = s.Egress
zone.ProviderID = s.ProviderID
case kops.SubnetTypeUtility:
if zone.CIDR != "" {
return fmt.Errorf("cannot convert to v1alpha1: duplicate zone: %v", zone)
}
zone.CIDR = s.CIDR
// We simple can't express this in v1alpha1
if s.ProviderID != "" {
return fmt.Errorf("cannot convert to v1alpha1: utility subnet had ProviderID %v", s.Name)
}
case kops.SubnetTypePublic:
return fmt.Errorf("cannot convert to v1alpha1 when subnet type is public")
default:
return fmt.Errorf("unknown SubnetType: %v", subnetType)
}
} else {
if zone.CIDR != "" || zone.ProviderID != "" {
return fmt.Errorf("cannot convert to v1alpha1: duplicate zone: %v", zone)
}
zone.CIDR = s.CIDR
zone.Egress = s.Egress
zone.ProviderID = s.ProviderID
}
}
for _, z := range zoneMap {
out.Zones = append(out.Zones, z)
}
sort.Sort(ByName(out.Zones))
} else {
out.Zones = nil
}
if !reflect.DeepEqual(in.SSHAccess, in.KubernetesAPIAccess) {
return fmt.Errorf("cannot convert to v1alpha1: SSHAccess != KubernetesAPIAccess")
}
out.AdminAccess = in.SSHAccess
return autoConvert_kops_ClusterSpec_To_v1alpha1_ClusterSpec(in, out, s)
}
func Convert_v1alpha1_EtcdMemberSpec_To_kops_EtcdMemberSpec(in *EtcdMemberSpec, out *kops.EtcdMemberSpec, s conversion.Scope) error {
if in.Zone != nil {
instanceGroup := "master-" + *in.Zone
out.InstanceGroup = &instanceGroup
} else {
out.InstanceGroup = nil
}
return autoConvert_v1alpha1_EtcdMemberSpec_To_kops_EtcdMemberSpec(in, out, s)
}
func Convert_kops_EtcdMemberSpec_To_v1alpha1_EtcdMemberSpec(in *kops.EtcdMemberSpec, out *EtcdMemberSpec, s conversion.Scope) error {
err := autoConvert_kops_EtcdMemberSpec_To_v1alpha1_EtcdMemberSpec(in, out, s)
if err != nil {
return err
}
if in.InstanceGroup != nil {
zone := *in.InstanceGroup
if !strings.HasPrefix(zone, "master-") {
return fmt.Errorf("cannot convert etc instance group name %q to v1alpha1: need master- prefix", zone)
}
zone = strings.TrimPrefix(zone, "master-")
out.Zone = &zone
} else {
out.Zone = nil
}
return nil
}
func Convert_v1alpha1_InstanceGroupSpec_To_kops_InstanceGroupSpec(in *InstanceGroupSpec, out *kops.InstanceGroupSpec, s conversion.Scope) error {
err := autoConvert_v1alpha1_InstanceGroupSpec_To_kops_InstanceGroupSpec(in, out, s)
if err != nil {
return err
}
out.Subnets = in.Zones
out.Zones = nil // Those zones are not the same as v1alpha1 zones
return nil
}
func Convert_kops_InstanceGroupSpec_To_v1alpha1_InstanceGroupSpec(in *kops.InstanceGroupSpec, out *InstanceGroupSpec, s conversion.Scope) error {
err := autoConvert_kops_InstanceGroupSpec_To_v1alpha1_InstanceGroupSpec(in, out, s)
if err != nil {
return err
}
out.Zones = in.Subnets
return nil
}
func Convert_v1alpha1_TopologySpec_To_kops_TopologySpec(in *TopologySpec, out *kops.TopologySpec, s conversion.Scope) error {
out.Masters = in.Masters
out.Nodes = in.Nodes
if in.Bastion != nil && in.Bastion.Enable {
out.Bastion = new(kops.BastionSpec)
if err := Convert_v1alpha1_BastionSpec_To_kops_BastionSpec(in.Bastion, out.Bastion, s); err != nil {
return err
}
} else {
out.Bastion = nil
}
if in.DNS != nil {
out.DNS = new(kops.DNSSpec)
if err := Convert_v1alpha1_DNSSpec_To_kops_DNSSpec(in.DNS, out.DNS, s); err != nil {
return err
}
} else {
out.DNS = nil
}
return nil
}
func Convert_kops_TopologySpec_To_v1alpha1_TopologySpec(in *kops.TopologySpec, out *TopologySpec, s conversion.Scope) error {
out.Masters = in.Masters
out.Nodes = in.Nodes
if in.Bastion != nil {
out.Bastion = new(BastionSpec)
if err := Convert_kops_BastionSpec_To_v1alpha1_BastionSpec(in.Bastion, out.Bastion, s); err != nil {
return err
}
} else {
out.Bastion = nil
}
if in.DNS != nil {
out.DNS = new(DNSSpec)
if err := Convert_kops_DNSSpec_To_v1alpha1_DNSSpec(in.DNS, out.DNS, s); err != nil {
return err
}
} else {
out.DNS = nil
}
return nil
}