forked from hashicorp/packer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
provisioner.go
462 lines (388 loc) · 13.8 KB
/
provisioner.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
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
// Package puppetmasterless implements a provisioner for Packer that executes
// Puppet on the remote machine, configured to apply a local manifest
// versus connecting to a Puppet master.
package puppetmasterless
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/config"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/provisioner"
"github.com/hashicorp/packer/template/interpolate"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
ctx interpolate.Context
// If true, staging directory is removed after executing puppet.
CleanStagingDir bool `mapstructure:"clean_staging_directory"`
// The Guest OS Type (unix or windows)
GuestOSType string `mapstructure:"guest_os_type"`
// The command used to execute Puppet.
ExecuteCommand string `mapstructure:"execute_command"`
// Additional arguments to pass when executing Puppet
ExtraArguments []string `mapstructure:"extra_arguments"`
// Additional facts to set when executing Puppet
Facter map[string]string
// Path to a hiera configuration file to upload and use.
HieraConfigPath string `mapstructure:"hiera_config_path"`
// If true, packer will ignore all exit-codes from a puppet run
IgnoreExitCodes bool `mapstructure:"ignore_exit_codes"`
// An array of local paths of modules to upload.
ModulePaths []string `mapstructure:"module_paths"`
// The main manifest file to apply to kick off the entire thing.
ManifestFile string `mapstructure:"manifest_file"`
// A directory of manifest files that will be uploaded to the remote
// machine.
ManifestDir string `mapstructure:"manifest_dir"`
// If true, `sudo` will NOT be used to execute Puppet.
PreventSudo bool `mapstructure:"prevent_sudo"`
// The directory that contains the puppet binary.
// E.g. if it can't be found on the standard path.
PuppetBinDir string `mapstructure:"puppet_bin_dir"`
// The directory where files will be uploaded. Packer requires write
// permissions in this directory.
StagingDir string `mapstructure:"staging_directory"`
// The directory from which the command will be executed.
// Packer requires the directory to exist when running puppet.
WorkingDir string `mapstructure:"working_directory"`
}
type guestOSTypeConfig struct {
executeCommand string
facterVarsFmt string
facterVarsJoiner string
modulePathJoiner string
stagingDir string
tempDir string
}
// FIXME assumes both Packer host and target are same OS
var guestOSTypeConfigs = map[string]guestOSTypeConfig{
provisioner.UnixOSType: {
tempDir: "/tmp",
stagingDir: "/tmp/packer-puppet-masterless",
executeCommand: "cd {{.WorkingDir}} && " +
`{{if ne .FacterVars ""}}{{.FacterVars}} {{end}}` +
"{{if .Sudo}}sudo -E {{end}}" +
`{{if ne .PuppetBinDir ""}}{{.PuppetBinDir}}/{{end}}` +
"puppet apply --detailed-exitcodes " +
"{{if .Debug}}--debug {{end}}" +
`{{if ne .ModulePath ""}}--modulepath='{{.ModulePath}}' {{end}}` +
`{{if ne .HieraConfigPath ""}}--hiera_config='{{.HieraConfigPath}}' {{end}}` +
`{{if ne .ManifestDir ""}}--manifestdir='{{.ManifestDir}}' {{end}}` +
`{{if ne .ExtraArguments ""}}{{.ExtraArguments}} {{end}}` +
"{{.ManifestFile}}",
facterVarsFmt: "FACTER_%s='%s'",
facterVarsJoiner: " ",
modulePathJoiner: ":",
},
provisioner.WindowsOSType: {
tempDir: filepath.ToSlash(os.Getenv("TEMP")),
stagingDir: filepath.ToSlash(os.Getenv("SYSTEMROOT")) + "/Temp/packer-puppet-masterless",
executeCommand: "cd {{.WorkingDir}} && " +
`{{if ne .FacterVars ""}}{{.FacterVars}} && {{end}}` +
`{{if ne .PuppetBinDir ""}}{{.PuppetBinDir}}/{{end}}` +
"puppet apply --detailed-exitcodes " +
"{{if .Debug}}--debug {{end}}" +
`{{if ne .ModulePath ""}}--modulepath='{{.ModulePath}}' {{end}}` +
`{{if ne .HieraConfigPath ""}}--hiera_config='{{.HieraConfigPath}}' {{end}}` +
`{{if ne .ManifestDir ""}}--manifestdir='{{.ManifestDir}}' {{end}}` +
`{{if ne .ExtraArguments ""}}{{.ExtraArguments}} {{end}}` +
"{{.ManifestFile}}",
facterVarsFmt: `SET "FACTER_%s=%s"`,
facterVarsJoiner: " & ",
modulePathJoiner: ";",
},
}
type Provisioner struct {
config Config
guestOSTypeConfig guestOSTypeConfig
guestCommands *provisioner.GuestCommands
}
type ExecuteTemplate struct {
Debug bool
ExtraArguments string
FacterVars string
HieraConfigPath string
ModulePath string
ModulePathJoiner string
ManifestFile string
ManifestDir string
PuppetBinDir string
Sudo bool
WorkingDir string
}
func (p *Provisioner) Prepare(raws ...interface{}) error {
err := config.Decode(&p.config, &config.DecodeOpts{
Interpolate: true,
InterpolateContext: &p.config.ctx,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{
"execute_command",
"extra_arguments",
},
},
}, raws...)
if err != nil {
return err
}
// Set some defaults
if p.config.GuestOSType == "" {
p.config.GuestOSType = provisioner.DefaultOSType
}
p.config.GuestOSType = strings.ToLower(p.config.GuestOSType)
var ok bool
p.guestOSTypeConfig, ok = guestOSTypeConfigs[p.config.GuestOSType]
if !ok {
return fmt.Errorf("Invalid guest_os_type: \"%s\"", p.config.GuestOSType)
}
p.guestCommands, err = provisioner.NewGuestCommands(p.config.GuestOSType, !p.config.PreventSudo)
if err != nil {
return fmt.Errorf("Invalid guest_os_type: \"%s\"", p.config.GuestOSType)
}
if p.config.ExecuteCommand == "" {
p.config.ExecuteCommand = p.guestOSTypeConfig.executeCommand
}
if p.config.StagingDir == "" {
p.config.StagingDir = p.guestOSTypeConfig.stagingDir
}
if p.config.WorkingDir == "" {
p.config.WorkingDir = p.config.StagingDir
}
if p.config.Facter == nil {
p.config.Facter = make(map[string]string)
}
p.config.Facter["packer_build_name"] = p.config.PackerBuildName
p.config.Facter["packer_builder_type"] = p.config.PackerBuilderType
// Validation
var errs *packer.MultiError
if p.config.HieraConfigPath != "" {
info, err := os.Stat(p.config.HieraConfigPath)
if err != nil {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("hiera_config_path is invalid: %s", err))
} else if info.IsDir() {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("hiera_config_path must point to a file"))
}
}
if p.config.ManifestDir != "" {
info, err := os.Stat(p.config.ManifestDir)
if err != nil {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("manifest_dir is invalid: %s", err))
} else if !info.IsDir() {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("manifest_dir must point to a directory"))
}
}
if p.config.ManifestFile == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("A manifest_file must be specified."))
} else {
_, err := os.Stat(p.config.ManifestFile)
if err != nil {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("manifest_file is invalid: %s", err))
}
}
for i, path := range p.config.ModulePaths {
info, err := os.Stat(path)
if err != nil {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("module_path[%d] is invalid: %s", i, err))
} else if !info.IsDir() {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("module_path[%d] must point to a directory", i))
}
}
if errs != nil && len(errs.Errors) > 0 {
return errs
}
return nil
}
func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
ui.Say("Provisioning with Puppet...")
ui.Message("Creating Puppet staging directory...")
if err := p.createDir(ui, comm, p.config.StagingDir); err != nil {
return fmt.Errorf("Error creating staging directory: %s", err)
}
// Upload hiera config if set
remoteHieraConfigPath := ""
if p.config.HieraConfigPath != "" {
var err error
remoteHieraConfigPath, err = p.uploadHieraConfig(ui, comm)
if err != nil {
return fmt.Errorf("Error uploading hiera config: %s", err)
}
}
// Upload manifest dir if set
remoteManifestDir := ""
if p.config.ManifestDir != "" {
ui.Message(fmt.Sprintf(
"Uploading manifest directory from: %s", p.config.ManifestDir))
remoteManifestDir = fmt.Sprintf("%s/manifests", p.config.StagingDir)
err := p.uploadDirectory(ui, comm, remoteManifestDir, p.config.ManifestDir)
if err != nil {
return fmt.Errorf("Error uploading manifest dir: %s", err)
}
}
// Upload all modules
modulePaths := make([]string, 0, len(p.config.ModulePaths))
for i, path := range p.config.ModulePaths {
ui.Message(fmt.Sprintf("Uploading local modules from: %s", path))
targetPath := fmt.Sprintf("%s/module-%d", p.config.StagingDir, i)
if err := p.uploadDirectory(ui, comm, targetPath, path); err != nil {
return fmt.Errorf("Error uploading modules: %s", err)
}
modulePaths = append(modulePaths, targetPath)
}
// Upload manifests
remoteManifestFile, err := p.uploadManifests(ui, comm)
if err != nil {
return fmt.Errorf("Error uploading manifests: %s", err)
}
// Compile the facter variables
facterVars := make([]string, 0, len(p.config.Facter))
for k, v := range p.config.Facter {
facterVars = append(facterVars, fmt.Sprintf(p.guestOSTypeConfig.facterVarsFmt, k, v))
}
data := ExecuteTemplate{
ExtraArguments: "",
FacterVars: strings.Join(facterVars, p.guestOSTypeConfig.facterVarsJoiner),
HieraConfigPath: remoteHieraConfigPath,
ManifestDir: remoteManifestDir,
ManifestFile: remoteManifestFile,
ModulePath: strings.Join(modulePaths, p.guestOSTypeConfig.modulePathJoiner),
ModulePathJoiner: p.guestOSTypeConfig.modulePathJoiner,
PuppetBinDir: p.config.PuppetBinDir,
Sudo: !p.config.PreventSudo,
WorkingDir: p.config.WorkingDir,
}
p.config.ctx.Data = &data
_ExtraArguments, err := interpolate.Render(strings.Join(p.config.ExtraArguments, " "), &p.config.ctx)
if err != nil {
return err
}
data.ExtraArguments = _ExtraArguments
command, err := interpolate.Render(p.config.ExecuteCommand, &p.config.ctx)
if err != nil {
return err
}
cmd := &packer.RemoteCmd{
Command: command,
}
ui.Message(fmt.Sprintf("Running Puppet: %s", command))
if err := cmd.StartWithUi(comm, ui); err != nil {
return fmt.Errorf("Got an error starting command: %s", err)
}
if cmd.ExitStatus != 0 && cmd.ExitStatus != 2 && !p.config.IgnoreExitCodes {
return fmt.Errorf("Puppet exited with a non-zero exit status: %d", cmd.ExitStatus)
}
if p.config.CleanStagingDir {
if err := p.removeDir(ui, comm, p.config.StagingDir); err != nil {
return fmt.Errorf("Error removing staging directory: %s", err)
}
}
return nil
}
func (p *Provisioner) Cancel() {
// Just hard quit. It isn't a big deal if what we're doing keeps
// running on the other side.
os.Exit(0)
}
func (p *Provisioner) uploadHieraConfig(ui packer.Ui, comm packer.Communicator) (string, error) {
ui.Message("Uploading hiera configuration...")
f, err := os.Open(p.config.HieraConfigPath)
if err != nil {
return "", err
}
defer f.Close()
path := fmt.Sprintf("%s/hiera.yaml", p.config.StagingDir)
if err := comm.Upload(path, f, nil); err != nil {
return "", err
}
return path, nil
}
func (p *Provisioner) uploadManifests(ui packer.Ui, comm packer.Communicator) (string, error) {
// Create the remote manifests directory...
ui.Message("Uploading manifests...")
remoteManifestsPath := fmt.Sprintf("%s/manifests", p.config.StagingDir)
if err := p.createDir(ui, comm, remoteManifestsPath); err != nil {
return "", fmt.Errorf("Error creating manifests directory: %s", err)
}
// NOTE! manifest_file may either be a directory or a file, as puppet apply
// now accepts either one.
fi, err := os.Stat(p.config.ManifestFile)
if err != nil {
return "", fmt.Errorf("Error inspecting manifest file: %s", err)
}
if fi.IsDir() {
// If manifest_file is a directory we'll upload the whole thing
ui.Message(fmt.Sprintf(
"Uploading manifest directory from: %s", p.config.ManifestFile))
remoteManifestDir := fmt.Sprintf("%s/manifests", p.config.StagingDir)
err := p.uploadDirectory(ui, comm, remoteManifestDir, p.config.ManifestFile)
if err != nil {
return "", fmt.Errorf("Error uploading manifest dir: %s", err)
}
return remoteManifestDir, nil
}
// Otherwise manifest_file is a file and we'll upload it
ui.Message(fmt.Sprintf(
"Uploading manifest file from: %s", p.config.ManifestFile))
f, err := os.Open(p.config.ManifestFile)
if err != nil {
return "", err
}
defer f.Close()
manifestFilename := filepath.Base(p.config.ManifestFile)
remoteManifestFile := fmt.Sprintf("%s/%s", remoteManifestsPath, manifestFilename)
if err := comm.Upload(remoteManifestFile, f, nil); err != nil {
return "", err
}
return remoteManifestFile, nil
}
func (p *Provisioner) createDir(ui packer.Ui, comm packer.Communicator, dir string) error {
ui.Message(fmt.Sprintf("Creating directory: %s", dir))
cmd := &packer.RemoteCmd{Command: p.guestCommands.CreateDir(dir)}
if err := cmd.StartWithUi(comm, ui); err != nil {
return err
}
if cmd.ExitStatus != 0 {
return fmt.Errorf("Non-zero exit status.")
}
// Chmod the directory to 0777 just so that we can access it as our user
cmd = &packer.RemoteCmd{Command: p.guestCommands.Chmod(dir, "0777")}
if err := cmd.StartWithUi(comm, ui); err != nil {
return err
}
if cmd.ExitStatus != 0 {
return fmt.Errorf("Non-zero exit status. See output above for more info.")
}
return nil
}
func (p *Provisioner) removeDir(ui packer.Ui, comm packer.Communicator, dir string) error {
cmd := &packer.RemoteCmd{
Command: fmt.Sprintf("rm -fr '%s'", dir),
}
if err := cmd.StartWithUi(comm, ui); err != nil {
return err
}
if cmd.ExitStatus != 0 {
return fmt.Errorf("Non-zero exit status.")
}
return nil
}
func (p *Provisioner) uploadDirectory(ui packer.Ui, comm packer.Communicator, dst string, src string) error {
if err := p.createDir(ui, comm, dst); err != nil {
return err
}
// Make sure there is a trailing "/" so that the directory isn't
// created on the other side.
if src[len(src)-1] != '/' {
src = src + "/"
}
return comm.UploadDir(dst, src, nil)
}