-
Notifications
You must be signed in to change notification settings - Fork 4.6k
/
master_volumes.go
321 lines (270 loc) · 10.5 KB
/
master_volumes.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
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
/*
Copyright 2019 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 model
import (
"fmt"
"sort"
"strings"
"k8s.io/klog"
"k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/pkg/apis/kops/model"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/alitasks"
"k8s.io/kops/upup/pkg/fi/cloudup/aliup"
"k8s.io/kops/upup/pkg/fi/cloudup/awstasks"
"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
"k8s.io/kops/upup/pkg/fi/cloudup/do"
"k8s.io/kops/upup/pkg/fi/cloudup/dotasks"
"k8s.io/kops/upup/pkg/fi/cloudup/gce"
"k8s.io/kops/upup/pkg/fi/cloudup/gcetasks"
"k8s.io/kops/upup/pkg/fi/cloudup/openstack"
"k8s.io/kops/upup/pkg/fi/cloudup/openstacktasks"
)
const (
DefaultEtcdVolumeSize = 20
DefaultAWSEtcdVolumeType = "gp2"
DefaultAWSEtcdVolumeIops = 100
DefaultGCEEtcdVolumeType = "pd-ssd"
DefaultALIEtcdVolumeType = "cloud_ssd"
)
// MasterVolumeBuilder builds master EBS volumes
type MasterVolumeBuilder struct {
*KopsModelContext
Lifecycle *fi.Lifecycle
}
var _ fi.ModelBuilder = &MasterVolumeBuilder{}
func (b *MasterVolumeBuilder) Build(c *fi.ModelBuilderContext) error {
for _, etcd := range b.Cluster.Spec.EtcdClusters {
for _, m := range etcd.Members {
// EBS volume for each member of the each etcd cluster
name := m.Name + ".etcd-" + etcd.Name + "." + b.ClusterName()
igName := fi.StringValue(m.InstanceGroup)
if igName == "" {
return fmt.Errorf("InstanceGroup not set on etcd %s/%s", m.Name, etcd.Name)
}
ig := b.FindInstanceGroup(igName)
if ig == nil {
return fmt.Errorf("InstanceGroup not found (for etcd %s/%s): %q", m.Name, etcd.Name, igName)
}
zones, err := model.FindZonesForInstanceGroup(b.Cluster, ig)
if err != nil {
return err
}
if len(zones) == 0 {
return fmt.Errorf("must specify a zone for instancegroup %q used by etcd %s/%s", igName, m.Name, etcd.Name)
}
if len(zones) != 1 {
return fmt.Errorf("must specify a unique zone for instancegroup %q used by etcd %s/%s", igName, m.Name, etcd.Name)
}
zone := zones[0]
volumeSize := fi.Int32Value(m.VolumeSize)
if volumeSize == 0 {
volumeSize = DefaultEtcdVolumeSize
}
var allMembers []string
for _, m := range etcd.Members {
allMembers = append(allMembers, m.Name)
}
sort.Strings(allMembers)
switch kops.CloudProviderID(b.Cluster.Spec.CloudProvider) {
case kops.CloudProviderAWS:
err = b.addAWSVolume(c, name, volumeSize, zone, etcd, m, allMembers)
if err != nil {
return err
}
case kops.CloudProviderDO:
b.addDOVolume(c, name, volumeSize, zone, etcd, m, allMembers)
case kops.CloudProviderGCE:
b.addGCEVolume(c, name, volumeSize, zone, etcd, m, allMembers)
case kops.CloudProviderBareMetal:
klog.Fatalf("BareMetal not implemented")
case kops.CloudProviderOpenstack:
err = b.addOpenstackVolume(c, name, volumeSize, zone, etcd, m, allMembers)
if err != nil {
return err
}
case kops.CloudProviderALI:
b.addALIVolume(c, name, volumeSize, zone, etcd, m, allMembers)
default:
return fmt.Errorf("unknown cloudprovider %q", b.Cluster.Spec.CloudProvider)
}
}
}
return nil
}
func (b *MasterVolumeBuilder) addAWSVolume(c *fi.ModelBuilderContext, name string, volumeSize int32, zone string, etcd *kops.EtcdClusterSpec, m *kops.EtcdMemberSpec, allMembers []string) error {
volumeType := fi.StringValue(m.VolumeType)
volumeIops := fi.Int32Value(m.VolumeIops)
switch volumeType {
case "io1":
if volumeIops <= 0 {
volumeIops = DefaultAWSEtcdVolumeIops
}
default:
volumeType = DefaultAWSEtcdVolumeType
}
// The tags are how protokube knows to mount the volume and use it for etcd
tags := make(map[string]string)
// Apply all user defined labels on the volumes
for k, v := range b.Cluster.Spec.CloudLabels {
tags[k] = v
}
//tags[awsup.TagClusterName] = b.C.cluster.Name
// This is the configuration of the etcd cluster
tags[awsup.TagNameEtcdClusterPrefix+etcd.Name] = m.Name + "/" + strings.Join(allMembers, ",")
// This says "only mount on a master"
tags[awsup.TagNameRolePrefix+"master"] = "1"
// We always add an owned tags (these can't be shared)
tags["kubernetes.io/cluster/"+b.Cluster.ObjectMeta.Name] = "owned"
encrypted := fi.BoolValue(m.EncryptedVolume)
t := &awstasks.EBSVolume{
Name: s(name),
Lifecycle: b.Lifecycle,
AvailabilityZone: s(zone),
SizeGB: fi.Int64(int64(volumeSize)),
VolumeType: s(volumeType),
KmsKeyId: m.KmsKeyId,
Encrypted: fi.Bool(encrypted),
Tags: tags,
}
if volumeType == "io1" {
t.VolumeIops = i64(int64(volumeIops))
// https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html
if float64(*t.VolumeIops)/float64(*t.SizeGB) > 50.0 {
return fmt.Errorf("volumeIops to volumeSize ratio must be lower than 50. For %s ratio is %f", *t.Name, float64(*t.VolumeIops)/float64(*t.SizeGB))
}
}
c.AddTask(t)
return nil
}
func (b *MasterVolumeBuilder) addDOVolume(c *fi.ModelBuilderContext, name string, volumeSize int32, zone string, etcd *kops.EtcdClusterSpec, m *kops.EtcdMemberSpec, allMembers []string) {
// required that names start with a lower case and only contains letters, numbers and hyphens
name = "kops-" + do.SafeClusterName(name)
// DO has a 64 character limit for volume names
if len(name) >= 64 {
name = name[:64]
}
tags := make(map[string]string)
tags[do.TagNameEtcdClusterPrefix+etcd.Name] = do.SafeClusterName(m.Name)
tags[do.TagKubernetesClusterIndex] = do.SafeClusterName(m.Name)
// We always add an owned tags (these can't be shared)
tags[do.TagKubernetesClusterNamePrefix] = do.SafeClusterName(b.Cluster.ObjectMeta.Name)
t := &dotasks.Volume{
Name: s(name),
Lifecycle: b.Lifecycle,
SizeGB: fi.Int64(int64(volumeSize)),
Region: s(zone),
Tags: tags,
}
c.AddTask(t)
}
func (b *MasterVolumeBuilder) addGCEVolume(c *fi.ModelBuilderContext, name string, volumeSize int32, zone string, etcd *kops.EtcdClusterSpec, m *kops.EtcdMemberSpec, allMembers []string) {
volumeType := fi.StringValue(m.VolumeType)
if volumeType == "" {
volumeType = DefaultGCEEtcdVolumeType
}
// TODO: Should no longer be needed because we trim prefixes
//// On GCE we are close to the length limits. So,we remove the dashes from the keys
//// The name is normally something like "us-east1-a", and the dashes are particularly expensive
//// because of the escaping needed (3 characters for each dash)
//switch tf.cluster.Spec.CloudProvider {
//case string(kops.CloudProviderGCE):
// // TODO: If we're still struggling for size, we don't need to put ourselves in the allmembers list
// for i := range allMembers {
// allMembers[i] = strings.Replace(allMembers[i], "-", "", -1)
// }
// meName = strings.Replace(meName, "-", "", -1)
//}
// This is the configuration of the etcd cluster
clusterSpec := m.Name + "/" + strings.Join(allMembers, ",")
// The tags are how protokube knows to mount the volume and use it for etcd
tags := make(map[string]string)
tags[gce.GceLabelNameKubernetesCluster] = gce.SafeClusterName(b.ClusterName())
tags[gce.GceLabelNameRolePrefix+"master"] = "master" // Can't start with a number
tags[gce.GceLabelNameEtcdClusterPrefix+etcd.Name] = gce.EncodeGCELabel(clusterSpec)
// GCE disk names must match the following regular expression: '[a-z](?:[-a-z0-9]{0,61}[a-z0-9])?'
name = strings.Replace(name, ".", "-", -1)
if strings.IndexByte("0123456789-", name[0]) != -1 {
name = "d" + name
}
t := &gcetasks.Disk{
Name: s(name),
Lifecycle: b.Lifecycle,
Zone: s(zone),
SizeGB: fi.Int64(int64(volumeSize)),
VolumeType: s(volumeType),
Labels: tags,
}
c.AddTask(t)
}
func (b *MasterVolumeBuilder) addOpenstackVolume(c *fi.ModelBuilderContext, name string, volumeSize int32, zone string, etcd *kops.EtcdClusterSpec, m *kops.EtcdMemberSpec, allMembers []string) error {
volumeType := fi.StringValue(m.VolumeType)
if volumeType == "" {
return fmt.Errorf("must set ETCDMemberSpec.VolumeType on Openstack platform")
}
// The tags are how protokube knows to mount the volume and use it for etcd
tags := make(map[string]string)
// Apply all user defined labels on the volumes
for k, v := range b.Cluster.Spec.CloudLabels {
tags[k] = v
}
// This is the configuration of the etcd cluster
tags[openstack.TagNameEtcdClusterPrefix+etcd.Name] = m.Name + "/" + strings.Join(allMembers, ",")
// This says "only mount on a master"
tags[openstack.TagNameRolePrefix+"master"] = "1"
// override zone
if b.Cluster.Spec.CloudConfig.Openstack.BlockStorage != nil && b.Cluster.Spec.CloudConfig.Openstack.BlockStorage.OverrideAZ != nil {
zone = fi.StringValue(b.Cluster.Spec.CloudConfig.Openstack.BlockStorage.OverrideAZ)
}
t := &openstacktasks.Volume{
Name: s(name),
AvailabilityZone: s(zone),
VolumeType: s(volumeType),
SizeGB: fi.Int64(int64(volumeSize)),
Tags: tags,
Lifecycle: b.Lifecycle,
}
c.AddTask(t)
return nil
}
func (b *MasterVolumeBuilder) addALIVolume(c *fi.ModelBuilderContext, name string, volumeSize int32, zone string, etcd *kops.EtcdClusterSpec, m *kops.EtcdMemberSpec, allMembers []string) {
//Alicloud does not support volumeName starts with number
name = "v" + name
volumeType := fi.StringValue(m.VolumeType)
if volumeType == "" {
volumeType = DefaultALIEtcdVolumeType
}
// The tags are how protokube knows to mount the volume and use it for etcd
tags := make(map[string]string)
// Apply all user defined labels on the volumes
for k, v := range b.Cluster.Spec.CloudLabels {
tags[k] = v
}
// This is the configuration of the etcd cluster
tags[aliup.TagNameEtcdClusterPrefix+etcd.Name] = m.Name + "/" + strings.Join(allMembers, ",")
// This says "only mount on a master"
tags[aliup.TagNameRolePrefix+"master"] = "1"
// We always add an owned tags (these can't be shared)
tags["kubernetes.io/cluster/"+b.Cluster.ObjectMeta.Name] = "owned"
encrypted := fi.BoolValue(m.EncryptedVolume)
t := &alitasks.Disk{
Lifecycle: b.Lifecycle,
Name: s(name),
ZoneId: s(zone),
SizeGB: fi.Int(int(volumeSize)),
DiskCategory: s(volumeType),
Encrypted: fi.Bool(encrypted),
Tags: tags,
}
c.AddTask(t)
}