-
Notifications
You must be signed in to change notification settings - Fork 127
/
common_konnect.go
357 lines (318 loc) · 9.22 KB
/
common_konnect.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
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
package cmd
import (
"context"
"fmt"
"net/url"
"os"
"strings"
"github.com/kong/deck/diff"
"github.com/kong/deck/dump"
"github.com/kong/deck/file"
"github.com/kong/deck/konnect"
"github.com/kong/deck/state"
"github.com/kong/deck/utils"
"github.com/kong/go-kong/kong"
"golang.org/x/sync/errgroup"
)
const (
defaultLegacyKonnectURL = "https://konnect.konghq.com"
defaultRuntimeGroupName = "default"
konnectWithRuntimeGroupsDomain = "api.konghq"
)
var addresses = []string{
defaultKonnectURL,
defaultLegacyKonnectURL,
}
func authenticate(ctx context.Context, client *konnect.Client, host string) (konnect.AuthResponse, error) {
if strings.Contains(host, konnectWithRuntimeGroupsDomain) {
return client.Auth.LoginV2(ctx, konnectConfig.Email,
konnectConfig.Password, konnectConfig.Token)
}
return client.Auth.Login(ctx, konnectConfig.Email,
konnectConfig.Password)
}
// getKongClientForKonnectMode abstracts the different cloud environments users
// may be using, creating a Konnect client with the proper attributes set.
// This also includes a fallback mechanism using an address pool to establish
// a session with Konnect, making the different cloud environments completely
// transparent to users.
func getKongClientForKonnectMode(ctx context.Context) (*kong.Client, error) {
httpClient := utils.HTTPClient()
if konnectConfig.Address != defaultKonnectURL {
addresses = []string{konnectConfig.Address}
}
if konnectConfig.Token != "" {
konnectConfig.Headers = append(
konnectConfig.Headers, "Authorization:Bearer "+konnectConfig.Token,
)
}
// authenticate with konnect
var err error
var konnectClient *konnect.Client
var parsedAddress *url.URL
var konnectAddress string
for _, address := range addresses {
// get Konnect client
konnectConfig.Address = address
konnectClient, err = utils.GetKonnectClient(httpClient, konnectConfig)
if err != nil {
return nil, err
}
parsedAddress, err = url.Parse(address)
if err != nil {
return nil, fmt.Errorf("parsing %s address: %v", address, err)
}
_, err = authenticate(ctx, konnectClient, parsedAddress.Host)
if err == nil {
break
}
// Personal Access Token authentication is not supported with the
// legacy Konnect, so we don't need to fallback in case of 401s.
if konnect.IsUnauthorizedErr(err) && konnectConfig.Token != "" {
return nil, fmt.Errorf("authenticating with Konnect: %w", err)
}
if konnect.IsUnauthorizedErr(err) {
continue
}
}
if err != nil {
return nil, fmt.Errorf("authenticating with Konnect: %w", err)
}
if strings.Contains(parsedAddress.Host, konnectWithRuntimeGroupsDomain) {
// get kong runtime group ID
kongRGID, err := fetchKongRuntimeGroupID(ctx, konnectClient)
if err != nil {
return nil, err
}
// set the kong runtime group ID in the client
konnectClient.SetRuntimeGroupID(kongRGID)
konnectAddress = konnectConfig.Address + "/konnect-api/api/runtime_groups/" + kongRGID
} else {
// get kong control plane ID
kongCPID, err := fetchKongControlPlaneID(ctx, konnectClient)
if err != nil {
return nil, err
}
// set the kong control plane ID in the client
konnectClient.SetControlPlaneID(kongCPID)
konnectAddress = konnectConfig.Address + "/api/control_planes/" + kongCPID
}
// initialize kong client
return utils.GetKongClient(utils.KongClientConfig{
Address: konnectAddress,
HTTPClient: httpClient,
Debug: konnectConfig.Debug,
Headers: konnectConfig.Headers,
Retryable: true,
})
}
func resetKonnectV2(ctx context.Context) error {
client, err := getKongClientForKonnectMode(ctx)
if err != nil {
return err
}
currentState, err := fetchCurrentState(ctx, client, dumpConfig)
if err != nil {
return err
}
targetState, err := state.NewKongState()
if err != nil {
return err
}
_, err = performDiff(ctx, currentState, targetState, false, 10, 0, client)
if err != nil {
return err
}
return nil
}
func dumpKonnectV2(ctx context.Context) error {
client, err := getKongClientForKonnectMode(ctx)
if err != nil {
return err
}
if dumpCmdKongStateFile == "-" {
return fmt.Errorf("writing to stdout is not supported in Konnect mode")
}
rawState, err := dump.Get(ctx, client, dumpConfig)
if err != nil {
return fmt.Errorf("reading configuration from Kong: %w", err)
}
ks, err := state.Get(rawState)
if err != nil {
return fmt.Errorf("building state: %w", err)
}
return file.KongStateToFile(ks, file.WriteConfig{
SelectTags: dumpConfig.SelectorTags,
Filename: dumpCmdKongStateFile,
FileFormat: file.Format(strings.ToUpper(konnectDumpCmdStateFormat)),
WithID: dumpWithID,
RuntimeGroupName: konnectRuntimeGroup,
KongVersion: defaultFetchedKongVersion,
})
}
func syncKonnect(ctx context.Context,
filenames []string, dry bool, parallelism int,
) error {
httpClient := utils.HTTPClient()
// read target file
targetContent, err := file.GetContentFromFiles(filenames)
if err != nil {
return err
}
err = targetContent.PopulateDocumentContent(filenames)
if err != nil {
return fmt.Errorf("reading documents: %w", err)
}
targetContent.StripLocalDocumentPath()
// get Konnect client
konnectClient, err := utils.GetKonnectClient(httpClient, konnectConfig)
if err != nil {
return err
}
// authenticate with konnect
_, err = konnectClient.Auth.Login(ctx,
konnectConfig.Email,
konnectConfig.Password)
if err != nil {
return fmt.Errorf("authenticating with Konnect: %w", err)
}
// get kong control plane ID
kongCPID, err := fetchKongControlPlaneID(ctx, konnectClient)
if err != nil {
return err
}
// set the kong control plane ID in the client
konnectClient.SetControlPlaneID(kongCPID)
// initialize kong client
kongClient, err := utils.GetKongClient(utils.KongClientConfig{
Address: konnectConfig.Address + "/api/control_planes/" + kongCPID,
HTTPClient: httpClient,
Debug: konnectConfig.Debug,
Headers: konnectConfig.Headers,
})
if err != nil {
return err
}
currentState, err := getKonnectState(ctx, kongClient, konnectClient, kongCPID,
!konnectDumpIncludeConsumers)
if err != nil {
return err
}
targetKongState, targetKonnectState, err := file.GetForKonnect(ctx, targetContent, file.RenderConfig{
CurrentState: currentState,
}, kongClient)
if err != nil {
return err
}
targetState, err := state.GetKonnectState(targetKongState, targetKonnectState)
if err != nil {
return err
}
s, err := diff.NewSyncer(diff.SyncerOpts{
CurrentState: currentState,
TargetState: targetState,
KongClient: kongClient,
KonnectClient: konnectClient,
})
if err != nil {
return err
}
stats, errs := s.Solve(ctx, parallelism, dry)
// print stats before error to report completed operations
printStats(stats)
if errs != nil {
return utils.ErrArray{Errors: errs}
}
if diffCmdNonZeroExitCode &&
stats.CreateOps.Count()+stats.UpdateOps.Count()+stats.DeleteOps.Count() != 0 {
os.Exit(exitCodeDiffDetection)
}
return nil
}
func fetchKongControlPlaneID(ctx context.Context,
client *konnect.Client,
) (string, error) {
controlPlanes, _, err := client.ControlPlanes.List(ctx, nil)
if err != nil {
return "", fmt.Errorf("fetching control planes: %w", err)
}
return singleOutKongCP(controlPlanes)
}
func fetchKongRuntimeGroupID(ctx context.Context,
client *konnect.Client,
) (string, error) {
runtimeGroups, _, err := client.RuntimeGroups.List(ctx, nil)
if err != nil {
return "", fmt.Errorf("fetching runtime groups: %w", err)
}
if konnectRuntimeGroup == "" {
konnectRuntimeGroup = defaultRuntimeGroupName
}
for _, rg := range runtimeGroups {
if *rg.Name == konnectRuntimeGroup {
return *rg.ID, nil
}
}
return "", fmt.Errorf("runtime groups not found: %s", konnectRuntimeGroup)
}
func singleOutKongCP(controlPlanes []konnect.ControlPlane) (string, error) {
kongCPCount := 0
kongCPID := ""
for _, controlPlane := range controlPlanes {
if controlPlane.Type != nil &&
!utils.Empty(controlPlane.ID) &&
!utils.Empty(controlPlane.Type.Name) &&
*controlPlane.Type.Name == "kong-ee" {
kongCPCount++
kongCPID = *controlPlane.ID
}
}
if kongCPCount == 0 {
return "", fmt.Errorf("found no Kong EE control-planes")
}
if kongCPCount > 1 {
return "", fmt.Errorf("found multiple Kong EE control-planes, " +
"decK expected a single control-plane")
}
return kongCPID, nil
}
func getKonnectState(ctx context.Context,
kongClient *kong.Client,
konnectClient *konnect.Client,
kongCPID string,
skipConsumers bool,
) (*state.KongState, error) {
var kongState *utils.KongRawState
var konnectState *utils.KonnectRawState
group, ctx := errgroup.WithContext(ctx)
group.Go(func() error {
var err error
// get export of Kong resources
kongState, err = dump.Get(ctx, kongClient, dump.Config{
SkipConsumers: skipConsumers,
})
if err != nil {
return fmt.Errorf("reading configuration from Kong: %w", err)
}
return nil
})
group.Go(func() error {
// get export of Konnect resources
var err error
konnectState, err = dump.GetFromKonnect(ctx, konnectClient,
dump.KonnectConfig{ControlPlaneID: kongCPID})
if err != nil {
return err
}
return nil
})
err := group.Wait()
if err != nil {
return nil, err
}
ks, err := state.GetKonnectState(kongState, konnectState)
if err != nil {
return nil, fmt.Errorf("building state: %w", err)
}
return ks, nil
}