-
Notifications
You must be signed in to change notification settings - Fork 273
/
azure_storageaccount.go
304 lines (263 loc) · 10.1 KB
/
azure_storageaccount.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
/*
Copyright 2020 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 provider
import (
"fmt"
"strings"
"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2019-06-01/storage"
"github.com/Azure/go-autorest/autorest/to"
"k8s.io/klog/v2"
"sigs.k8s.io/cloud-provider-azure/pkg/consts"
"sigs.k8s.io/cloud-provider-azure/pkg/retry"
)
// SkipMatchingTag skip account matching tag
const SkipMatchingTag = "skip-matching"
// AccountOptions contains the fields which are used to create storage account.
type AccountOptions struct {
Name, Type, Kind, ResourceGroup, Location string
// indicate whether create new account when Name is empty
EnableHTTPSTrafficOnly bool
CreateAccount bool
DisableFileServiceDeleteRetentionPolicy bool
Tags map[string]string
VirtualNetworkResourceIDs []string
}
type accountWithLocation struct {
Name, StorageType, Location string
}
// getStorageAccounts get matching storage accounts
func (az *Cloud) getStorageAccounts(accountOptions *AccountOptions) ([]accountWithLocation, error) {
if az.StorageAccountClient == nil {
return nil, fmt.Errorf("StorageAccountClient is nil")
}
ctx, cancel := getContextWithCancel()
defer cancel()
result, rerr := az.StorageAccountClient.ListByResourceGroup(ctx, accountOptions.ResourceGroup)
if rerr != nil {
return nil, rerr.Error()
}
accounts := []accountWithLocation{}
for _, acct := range result {
if acct.Name != nil && acct.Location != nil && acct.Sku != nil {
storageType := string((*acct.Sku).Name)
if accountOptions.Type != "" && !strings.EqualFold(accountOptions.Type, storageType) {
continue
}
if accountOptions.Kind != "" && !strings.EqualFold(accountOptions.Kind, string(acct.Kind)) {
continue
}
location := *acct.Location
if accountOptions.Location != "" && !strings.EqualFold(accountOptions.Location, location) {
continue
}
if len(accountOptions.VirtualNetworkResourceIDs) > 0 {
if acct.AccountProperties == nil || acct.AccountProperties.NetworkRuleSet == nil ||
acct.AccountProperties.NetworkRuleSet.VirtualNetworkRules == nil {
continue
}
found := false
for _, subnetID := range accountOptions.VirtualNetworkResourceIDs {
for _, rule := range *acct.AccountProperties.NetworkRuleSet.VirtualNetworkRules {
if strings.EqualFold(to.String(rule.VirtualNetworkResourceID), subnetID) && rule.Action == storage.Allow {
found = true
break
}
}
}
if !found {
continue
}
}
if acct.Tags != nil {
// skip account with SkipMatchingTag tag
if _, ok := acct.Tags[SkipMatchingTag]; ok {
klog.V(2).Infof("found %s tag for account %s, skip matching", SkipMatchingTag, *acct.Name)
continue
}
}
accounts = append(accounts, accountWithLocation{Name: *acct.Name, StorageType: storageType, Location: location})
}
}
return accounts, nil
}
// GetStorageAccesskey gets the storage account access key
func (az *Cloud) GetStorageAccesskey(account, resourceGroup string) (string, error) {
if az.StorageAccountClient == nil {
return "", fmt.Errorf("StorageAccountClient is nil")
}
ctx, cancel := getContextWithCancel()
defer cancel()
result, rerr := az.StorageAccountClient.ListKeys(ctx, resourceGroup, account)
if rerr != nil {
return "", rerr.Error()
}
if result.Keys == nil {
return "", fmt.Errorf("empty keys")
}
for _, k := range *result.Keys {
if k.Value != nil && *k.Value != "" {
v := *k.Value
if ind := strings.LastIndex(v, " "); ind >= 0 {
v = v[(ind + 1):]
}
return v, nil
}
}
return "", fmt.Errorf("no valid keys")
}
// EnsureStorageAccount search storage account, create one storage account(with genAccountNamePrefix) if not found, return accountName, accountKey
func (az *Cloud) EnsureStorageAccount(accountOptions *AccountOptions, genAccountNamePrefix string) (string, string, error) {
if accountOptions == nil {
return "", "", fmt.Errorf("account options is nil")
}
accountName := accountOptions.Name
accountType := accountOptions.Type
accountKind := accountOptions.Kind
resourceGroup := accountOptions.ResourceGroup
location := accountOptions.Location
enableHTTPSTrafficOnly := accountOptions.EnableHTTPSTrafficOnly
if len(accountName) == 0 {
if !accountOptions.CreateAccount {
// find a storage account that matches accountType
accounts, err := az.getStorageAccounts(accountOptions)
if err != nil {
return "", "", fmt.Errorf("could not list storage accounts for account type %s: %w", accountType, err)
}
if len(accounts) > 0 {
accountName = accounts[0].Name
klog.V(4).Infof("found a matching account %s type %s location %s", accounts[0].Name, accounts[0].StorageType, accounts[0].Location)
}
}
if len(accountName) == 0 {
// set network rules for storage account
var networkRuleSet *storage.NetworkRuleSet
virtualNetworkRules := []storage.VirtualNetworkRule{}
for i, subnetID := range accountOptions.VirtualNetworkResourceIDs {
vnetRule := storage.VirtualNetworkRule{
VirtualNetworkResourceID: &accountOptions.VirtualNetworkResourceIDs[i],
Action: storage.Allow,
}
virtualNetworkRules = append(virtualNetworkRules, vnetRule)
klog.V(4).Infof("subnetID(%s) has been set", subnetID)
}
if len(virtualNetworkRules) > 0 {
networkRuleSet = &storage.NetworkRuleSet{
VirtualNetworkRules: &virtualNetworkRules,
DefaultAction: storage.DefaultActionDeny,
}
}
// not found a matching account, now create a new account in current resource group
accountName = generateStorageAccountName(genAccountNamePrefix)
if location == "" {
location = az.Location
}
if accountType == "" {
accountType = consts.DefaultStorageAccountType
}
// use StorageV2 by default per https://docs.microsoft.com/en-us/azure/storage/common/storage-account-options
kind := consts.DefaultStorageAccountKind
if accountKind != "" {
kind = storage.Kind(accountKind)
}
if len(accountOptions.Tags) == 0 {
accountOptions.Tags = make(map[string]string)
}
accountOptions.Tags["created-by"] = "azure"
tags := convertMapToMapPointer(accountOptions.Tags)
klog.V(2).Infof("azure - no matching account found, begin to create a new account %s in resource group %s, location: %s, accountType: %s, accountKind: %s, tags: %+v",
accountName, resourceGroup, location, accountType, kind, accountOptions.Tags)
cp := storage.AccountCreateParameters{
Sku: &storage.Sku{Name: storage.SkuName(accountType)},
Kind: kind,
AccountPropertiesCreateParameters: &storage.AccountPropertiesCreateParameters{
EnableHTTPSTrafficOnly: &enableHTTPSTrafficOnly,
NetworkRuleSet: networkRuleSet,
},
Tags: tags,
Location: &location}
if az.StorageAccountClient == nil {
return "", "", fmt.Errorf("StorageAccountClient is nil")
}
ctx, cancel := getContextWithCancel()
defer cancel()
rerr := az.StorageAccountClient.Create(ctx, resourceGroup, accountName, cp)
if rerr != nil {
return "", "", fmt.Errorf("failed to create storage account %s, error: %v", accountName, rerr)
}
if accountOptions.DisableFileServiceDeleteRetentionPolicy {
klog.V(2).Infof("disable DisableFileServiceDeleteRetentionPolicy on account(%s), resource group(%s)", accountName, resourceGroup)
prop, err := az.FileClient.GetServiceProperties(resourceGroup, accountName)
if err != nil {
return "", "", err
}
if prop.FileServicePropertiesProperties == nil {
return "", "", fmt.Errorf("FileServicePropertiesProperties of account(%s), resource group(%s) is nil", accountName, resourceGroup)
}
prop.FileServicePropertiesProperties.ShareDeleteRetentionPolicy = &storage.DeleteRetentionPolicy{Enabled: to.BoolPtr(false)}
if _, err := az.FileClient.SetServiceProperties(resourceGroup, accountName, prop); err != nil {
return "", "", err
}
}
}
}
// find the access key with this account
accountKey, err := az.GetStorageAccesskey(accountName, resourceGroup)
if err != nil {
return "", "", fmt.Errorf("could not get storage key for storage account %s: %w", accountName, err)
}
return accountName, accountKey, nil
}
// AddStorageAccountTags add tags to storage account
func (az *Cloud) AddStorageAccountTags(resourceGroup, account string, tags map[string]*string) *retry.Error {
if az.StorageAccountClient == nil {
return retry.NewError(false, fmt.Errorf("StorageAccountClient is nil"))
}
ctx, cancel := getContextWithCancel()
defer cancel()
result, rerr := az.StorageAccountClient.GetProperties(ctx, resourceGroup, account)
if rerr != nil {
return rerr
}
newTags := result.Tags
if newTags == nil {
newTags = make(map[string]*string)
}
// merge two tag map
for k, v := range tags {
newTags[k] = v
}
updateParams := storage.AccountUpdateParameters{Tags: newTags}
return az.StorageAccountClient.Update(ctx, resourceGroup, account, updateParams)
}
// RemoveStorageAccountTag remove tag from storage account
func (az *Cloud) RemoveStorageAccountTag(resourceGroup, account, key string) *retry.Error {
if az.StorageAccountClient == nil {
return retry.NewError(false, fmt.Errorf("StorageAccountClient is nil"))
}
ctx, cancel := getContextWithCancel()
defer cancel()
result, rerr := az.StorageAccountClient.GetProperties(ctx, resourceGroup, account)
if rerr != nil {
return rerr
}
if len(result.Tags) == 0 {
return nil
}
originalLen := len(result.Tags)
delete(result.Tags, key)
if originalLen != len(result.Tags) {
updateParams := storage.AccountUpdateParameters{Tags: result.Tags}
return az.StorageAccountClient.Update(ctx, resourceGroup, account, updateParams)
}
return nil
}