/
bundle.go
233 lines (194 loc) · 8.06 KB
/
bundle.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
package chart_extender
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"text/template"
"helm.sh/helm/v3/pkg/chart"
"helm.sh/helm/v3/pkg/chart/loader"
"helm.sh/helm/v3/pkg/chartutil"
"helm.sh/helm/v3/pkg/cli"
"helm.sh/helm/v3/pkg/postrender"
"helm.sh/helm/v3/pkg/registry"
"sigs.k8s.io/yaml"
"github.com/werf/logboek"
"github.com/werf/werf/pkg/deploy/helm"
"github.com/werf/werf/pkg/deploy/helm/chart_extender/helpers"
"github.com/werf/werf/pkg/deploy/helm/chart_extender/helpers/secrets"
"github.com/werf/werf/pkg/deploy/helm/command_helpers"
"github.com/werf/werf/pkg/deploy/secrets_manager"
)
type BundleOptions struct {
SecretValueFiles []string
BuildChartDependenciesOpts command_helpers.BuildChartDependenciesOptions
ExtraAnnotations map[string]string
ExtraLabels map[string]string
IgnoreInvalidAnnotationsAndLabels bool
DisableDefaultValues bool
}
func NewBundle(ctx context.Context, dir string, helmEnvSettings *cli.EnvSettings, registryClient *registry.Client, secretsManager *secrets_manager.SecretsManager, opts BundleOptions) (*Bundle, error) {
bundle := &Bundle{
Dir: dir,
SecretValueFiles: opts.SecretValueFiles,
HelmEnvSettings: helmEnvSettings,
RegistryClient: registryClient,
BuildChartDependenciesOpts: opts.BuildChartDependenciesOpts,
ChartExtenderServiceValuesData: helpers.NewChartExtenderServiceValuesData(),
ChartExtenderContextData: helpers.NewChartExtenderContextData(ctx),
secretsManager: secretsManager,
DisableDefaultValues: opts.DisableDefaultValues,
}
extraAnnotationsAndLabelsPostRenderer := helm.NewExtraAnnotationsAndLabelsPostRenderer(nil, nil, opts.IgnoreInvalidAnnotationsAndLabels)
if dataMap, err := readBundleJsonMap(filepath.Join(bundle.Dir, "extra_annotations.json")); err != nil {
return nil, err
} else {
extraAnnotationsAndLabelsPostRenderer.Add(dataMap, nil)
}
if dataMap, err := readBundleJsonMap(filepath.Join(bundle.Dir, "extra_labels.json")); err != nil {
return nil, err
} else {
extraAnnotationsAndLabelsPostRenderer.Add(nil, dataMap)
}
extraAnnotationsAndLabelsPostRenderer.Add(opts.ExtraAnnotations, opts.ExtraLabels)
bundle.extraAnnotationsAndLabelsPostRenderer = extraAnnotationsAndLabelsPostRenderer
return bundle, nil
}
/*
* Bundle object is chart.ChartExtender compatible object
* which could be used during helm install/upgrade process
*/
type Bundle struct {
Dir string
SecretValueFiles []string
HelmChart *chart.Chart
HelmEnvSettings *cli.EnvSettings
RegistryClient *registry.Client
BuildChartDependenciesOpts command_helpers.BuildChartDependenciesOptions
DisableDefaultValues bool
extraAnnotationsAndLabelsPostRenderer *helm.ExtraAnnotationsAndLabelsPostRenderer
secretsManager *secrets_manager.SecretsManager
*secrets.SecretsRuntimeData
*helpers.ChartExtenderServiceValuesData
*helpers.ChartExtenderContextData
}
func (bundle *Bundle) ChainPostRenderer(postRenderer postrender.PostRenderer) postrender.PostRenderer {
var chain []postrender.PostRenderer
if postRenderer != nil {
chain = append(chain, postRenderer)
}
chain = append(chain, bundle.extraAnnotationsAndLabelsPostRenderer)
return helm.NewPostRendererChain(chain...)
}
// ChartCreated method for the chart.Extender interface
func (bundle *Bundle) ChartCreated(c *chart.Chart) error {
bundle.HelmChart = c
bundle.SecretsRuntimeData = secrets.NewSecretsRuntimeData()
return nil
}
// ChartLoaded method for the chart.Extender interface
func (bundle *Bundle) ChartLoaded(files []*chart.ChartExtenderBufferedFile) error {
if bundle.secretsManager != nil {
wd, err := os.Getwd()
if err != nil {
return fmt.Errorf("unable to get current working dir: %w", err)
}
if err := bundle.SecretsRuntimeData.DecodeAndLoadSecrets(bundle.ChartExtenderContext, files, bundle.Dir, wd, bundle.secretsManager, secrets.DecodeAndLoadSecretsOptions{
LoadFromLocalFilesystem: true,
CustomSecretValueFiles: bundle.SecretValueFiles,
WithoutDefaultSecretValues: false,
}); err != nil {
return fmt.Errorf("error decoding secrets: %w", err)
}
}
if bundle.DisableDefaultValues {
logboek.Context(bundle.ChartExtenderContext).Info().LogF("Disable default werf chart values\n")
bundle.HelmChart.Values = nil
}
return nil
}
// ChartDependenciesLoaded method for the chart.Extender interface
func (bundle *Bundle) ChartDependenciesLoaded() error {
return nil
}
// MakeValues method for the chart.Extender interface
func (bundle *Bundle) MakeValues(inputVals map[string]interface{}) (map[string]interface{}, error) {
vals := make(map[string]interface{})
debugPrintValues(bundle.ChartExtenderContext, "service", bundle.ServiceValues)
chartutil.CoalesceTables(vals, bundle.ServiceValues)
if debugSecretValues() {
debugPrintValues(bundle.ChartExtenderContext, "secret", bundle.SecretsRuntimeData.DecryptedSecretValues)
}
chartutil.CoalesceTables(vals, bundle.SecretsRuntimeData.DecryptedSecretValues)
debugPrintValues(bundle.ChartExtenderContext, "input", inputVals)
chartutil.CoalesceTables(vals, inputVals)
if debugSecretValues() {
// Only print all values with secrets when secret values debug enabled
debugPrintValues(bundle.ChartExtenderContext, "all", vals)
}
data, err := yaml.Marshal(vals)
logboek.Context(bundle.ChartExtenderContext).Debug().LogF("-- Bundle.MakeValues result (err=%v):\n%s\n---\n", err, data)
return vals, nil
}
// SetupTemplateFuncs method for the chart.Extender interface
func (bundle *Bundle) SetupTemplateFuncs(t *template.Template, funcMap template.FuncMap) {
helpers.SetupIncludeWrapperFuncs(funcMap)
helpers.SetupWerfImageDeprecationFunc(bundle.ChartExtenderContext, funcMap)
}
func convertBufferedFilesForChartExtender(files []*loader.BufferedFile) []*chart.ChartExtenderBufferedFile {
var res []*chart.ChartExtenderBufferedFile
for _, f := range files {
f1 := new(chart.ChartExtenderBufferedFile)
*f1 = chart.ChartExtenderBufferedFile(*f)
res = append(res, f1)
}
return res
}
// LoadDir method for the chart.Extender interface
func (bundle *Bundle) LoadDir(dir string) (bool, []*chart.ChartExtenderBufferedFile, error) {
files, err := loader.GetFilesFromLocalFilesystem(dir)
if err != nil {
return true, nil, err
}
res, err := LoadChartDependencies(bundle.ChartExtenderContext, func(ctx context.Context, dir string) ([]*chart.ChartExtenderBufferedFile, error) {
files, err := loader.GetFilesFromLocalFilesystem(dir)
if err != nil {
return nil, err
}
return convertBufferedFilesForChartExtender(files), nil
}, dir, convertBufferedFilesForChartExtender(files), bundle.HelmEnvSettings, bundle.RegistryClient, bundle.BuildChartDependenciesOpts)
return true, res, err
}
// LocateChart method for the chart.Extender interface
func (bundle *Bundle) LocateChart(name string, settings *cli.EnvSettings) (bool, string, error) {
return false, "", nil
}
// ReadFile method for the chart.Extender interface
func (bundle *Bundle) ReadFile(filePath string) (bool, []byte, error) {
return false, nil, nil
}
func writeBundleJsonMap(dataMap map[string]string, path string) error {
if data, err := json.Marshal(dataMap); err != nil {
return fmt.Errorf("unable to prepare %q data: %w", path, err)
} else if err := ioutil.WriteFile(path, append(data, []byte("\n")...), os.ModePerm); err != nil {
return fmt.Errorf("unable to write %q: %w", path, err)
} else {
return nil
}
}
func readBundleJsonMap(path string) (map[string]string, error) {
var res map[string]string
if _, err := os.Stat(path); os.IsNotExist(err) {
return nil, nil
} else if err != nil {
return nil, fmt.Errorf("error accessing %q: %w", path, err)
} else if data, err := ioutil.ReadFile(path); err != nil {
return nil, fmt.Errorf("error reading %q: %w", path, err)
} else if err := json.Unmarshal(data, &res); err != nil {
return nil, fmt.Errorf("error unmarshalling json from %q: %w", path, err)
} else {
return res, nil
}
}