-
Notifications
You must be signed in to change notification settings - Fork 153
/
upgrade.go
321 lines (266 loc) · 9.34 KB
/
upgrade.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
package upgrade
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"path/filepath"
"strings"
"time"
helmv2 "github.com/fluxcd/helm-controller/api/v2beta1"
kustomizev2 "github.com/fluxcd/kustomize-controller/api/v1beta2"
"github.com/fluxcd/pkg/apis/meta"
sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
"github.com/helm/helm/pkg/strvals"
"github.com/weaveworks/weave-gitops/pkg/git"
"github.com/weaveworks/weave-gitops/pkg/gitproviders"
"github.com/weaveworks/weave-gitops/pkg/kube"
"github.com/weaveworks/weave-gitops/pkg/logger"
"github.com/weaveworks/weave-gitops/pkg/models"
"github.com/weaveworks/weave-gitops/pkg/services/gitrepo"
"github.com/weaveworks/weave-gitops/pkg/utils"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/yaml"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
type UpgradeValues struct {
ConfigRepo string
ClusterPath string
Version string
BaseBranch string
HeadBranch string
CommitMessage string
Namespace string
Values []string
DryRun bool
}
const EnterpriseChartURL string = "https://charts.dev.wkp.weave.works/releases/charts-v3"
const CredentialsSecretName string = "weave-gitops-enterprise-credentials"
const WegoEnterpriseName string = "weave-gitops-enterprise.yaml"
func Upgrade(ctx context.Context, gitClient git.Git, gitProvider gitproviders.GitProvider, upgradeValues UpgradeValues, logger logger.Logger, w io.Writer) error {
kube, kubeClient, err := kube.NewKubeHTTPClient()
if err != nil {
return fmt.Errorf("error creating client for cluster %v", err)
}
return upgrade(ctx, upgradeValues, kube, gitClient, kubeClient, gitProvider, logger, w)
}
func upgrade(ctx context.Context, uv UpgradeValues, kube kube.Kube, gitClient git.Git, kubeClient client.Client, gitProvider gitproviders.GitProvider, logger logger.Logger, w io.Writer) error {
cname, err := kube.GetClusterName(ctx)
if err != nil {
return fmt.Errorf("failed to get cluster name: %w", err)
}
resources, err := makeHelmResources(uv.Namespace, uv.Version, cname, uv.ConfigRepo, uv.Values)
if err != nil {
return fmt.Errorf("error creating helm resources: %w", err)
}
appResources, err := makeAppsCapiKustomization(uv.Namespace, uv.ConfigRepo)
if err != nil {
return fmt.Errorf("error creating app resources: %w", err)
}
resources = append(resources, appResources...)
out, err := marshalToYamlStream(resources)
if err != nil {
return fmt.Errorf("error marshalling helm resources: %w", err)
}
stringOut := string(out)
if uv.DryRun {
_, _ = w.Write([]byte(stringOut + "\n"))
return nil
}
err = getBasicAuth(ctx, kubeClient, uv.Namespace)
if err != nil {
return fmt.Errorf("failed to load credentials for profiles repo from cluster: %v", err)
}
normalizedURL, err := gitproviders.NewRepoURL(uv.ConfigRepo)
if err != nil {
return fmt.Errorf("failed to normalize URL %q: %w", uv.ConfigRepo, err)
}
configBranch := uv.BaseBranch
if configBranch == "" {
configBranch, err = gitProvider.GetDefaultBranch(ctx, normalizedURL)
if err != nil {
return fmt.Errorf("could not determine default branch for config repository: %q %w", uv.ConfigRepo, err)
}
}
remover, repoDir, err := gitrepo.CloneRepo(ctx, gitClient, normalizedURL, configBranch)
if err != nil {
return fmt.Errorf("failed to clone configuration repo: %w", err)
}
defer remover()
err = gitClient.Checkout(uv.HeadBranch)
if err != nil {
return fmt.Errorf("failed to create new branch %s: %w", uv.HeadBranch, err)
}
err = upgradeGitManifests(gitClient, repoDir, uv.ClusterPath, cname, stringOut, logger)
if err != nil {
return fmt.Errorf("failed to write update manifest in clone repo: %w", err)
}
err = gitrepo.CommitAndPush(ctx, gitClient, uv.CommitMessage, logger)
if err != nil {
return fmt.Errorf("failed to commit and push: %w", err)
}
pri := gitproviders.PullRequestInfo{
Title: uv.CommitMessage,
Description: "Pull request to upgrade to Weave GitOps Enterprise",
SkipAddingFilesOnCreation: true,
TargetBranch: configBranch,
NewBranch: uv.HeadBranch,
}
pr, err := gitProvider.CreatePullRequest(ctx, normalizedURL, pri)
if err != nil {
return err
}
logger.Successf("Pull Request created: %s", pr.Get().WebURL)
return nil
}
func marshalToYamlStream(objects []runtime.Object) ([]byte, error) {
out := [][]byte{}
for _, obj := range objects {
b, err := yaml.Marshal(obj)
if err != nil {
return nil, fmt.Errorf("failed to marshal HelmRepository object to YAML: %w", err)
}
out = append(out, b)
}
return bytes.Join(out, []byte("---\n")), nil
}
func makeAppsCapiKustomization(namespace, repoURL string) ([]runtime.Object, error) {
normalizedURL, err := gitproviders.NewRepoURL(repoURL)
if err != nil {
return nil, fmt.Errorf("failed to normalize URL %q: %w", repoURL, err)
}
gitRepositoryName := models.CreateClusterSourceName(normalizedURL)
appsCapiKustomization := &kustomizev2.Kustomization{
ObjectMeta: metav1.ObjectMeta{
Name: "apps-capi",
Namespace: namespace,
},
TypeMeta: metav1.TypeMeta{
Kind: kustomizev2.KustomizationKind,
APIVersion: kustomizev2.GroupVersion.String(),
},
Spec: kustomizev2.KustomizationSpec{
Interval: metav1.Duration{Duration: time.Minute},
Path: "./.weave-gitops/apps/capi",
Prune: true,
SourceRef: kustomizev2.CrossNamespaceSourceReference{
Kind: "GitRepository",
Name: gitRepositoryName,
},
},
}
return []runtime.Object{appsCapiKustomization}, nil
}
func makeHelmResources(namespace, version, clusterName, repoURL string, values []string) ([]runtime.Object, error) {
helmRepository := &sourcev1.HelmRepository{
ObjectMeta: metav1.ObjectMeta{
Name: "weave-gitops-enterprise-charts",
Namespace: namespace,
},
TypeMeta: metav1.TypeMeta{
Kind: sourcev1.HelmRepositoryKind,
APIVersion: sourcev1.GroupVersion.String(),
},
Spec: sourcev1.HelmRepositorySpec{
Interval: metav1.Duration{Duration: time.Minute},
URL: EnterpriseChartURL,
SecretRef: &meta.LocalObjectReference{
Name: CredentialsSecretName,
},
},
}
// default helmrelease values
base := map[string]interface{}{
"config": map[string]interface{}{
"cluster": map[string]interface{}{
"name": clusterName,
},
"capi": map[string]interface{}{
"repositoryURL": repoURL,
},
},
}
// User specified a value via --set
for _, value := range values {
if err := strvals.ParseInto(value, base); err != nil {
return nil, fmt.Errorf("failed parsing --set data: %w", err)
}
}
valuesJson, err := json.Marshal(base)
if err != nil {
return nil, fmt.Errorf("error marshalling values object: %w", err)
}
helmRelease := &helmv2.HelmRelease{
ObjectMeta: metav1.ObjectMeta{
Name: "weave-gitops-enterprise",
Namespace: namespace,
},
TypeMeta: metav1.TypeMeta{
Kind: helmv2.HelmReleaseKind,
APIVersion: helmv2.GroupVersion.String(),
},
Spec: helmv2.HelmReleaseSpec{
Interval: metav1.Duration{Duration: time.Minute},
Chart: helmv2.HelmChartTemplate{
Spec: helmv2.HelmChartTemplateSpec{
Chart: "mccp",
SourceRef: helmv2.CrossNamespaceObjectReference{
Kind: sourcev1.HelmRepositoryKind,
Name: helmRepository.GetName(),
Namespace: helmRepository.GetNamespace(),
},
Version: version,
},
},
Values: &v1.JSON{Raw: valuesJson},
},
}
return []runtime.Object{helmRepository, helmRelease}, nil
}
func upgradeGitManifests(gitClient git.Git, repoDir, clusterPath, cname, wegoEnterpriseManifests string, logger logger.Logger) error {
wegoEnterprisePath := filepath.Join(clusterPath, WegoEnterpriseName)
if err := gitClient.Write(wegoEnterprisePath, []byte(wegoEnterpriseManifests)); err != nil {
return fmt.Errorf("failed to write out manifest to %s: %w", wegoEnterprisePath, err)
}
configRoot := clusterPath
if !strings.HasPrefix(configRoot, "/") {
configRoot = filepath.Join(repoDir, configRoot)
}
findResult := utils.FindCoreConfig(configRoot)
switch findResult.Status {
case utils.Valid:
relativePath := strings.TrimPrefix(findResult.Path, repoDir)
err := gitClient.Remove(relativePath)
if err != nil {
logger.Warningf("Failed to remove existing core configuration: %q, skipping.\n", relativePath)
}
case utils.Embedded:
logger.Warningf("The core configuration manifests are contained in a file: %q that also contains other manifests, skipping deletion.\n", findResult.Path)
case utils.Partial:
logger.Warningf("The core configuration manifests are not contained in a single file; skipping deletion.\n")
case utils.Missing:
logger.Warningf("Could not find existing core configuration manifests.\n")
}
return nil
}
func getBasicAuth(ctx context.Context, kubeClient client.Client, ns string) error {
deployKeySecret := &corev1.Secret{}
err := kubeClient.Get(ctx, client.ObjectKey{
Namespace: ns,
Name: CredentialsSecretName,
}, deployKeySecret)
if err != nil {
return fmt.Errorf("failed to get entitlement: %v", err)
}
username := string(deployKeySecret.Data["username"])
password := string(deployKeySecret.Data["password"])
if username == "" || password == "" {
return errors.New("username or password missing in entitlement secret, may be an old entitlement file")
}
return nil
}