1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* this file is part of pipelines */ |
4
|
|
|
|
5
|
|
|
namespace Ktomk\Pipelines\Runner; |
6
|
|
|
|
7
|
|
|
use Ktomk\Pipelines\Cli\Docker; |
8
|
|
|
use Ktomk\Pipelines\DestructibleString; |
9
|
|
|
use Ktomk\Pipelines\File\Pipeline\Step; |
10
|
|
|
use Ktomk\Pipelines\Lib; |
11
|
|
|
use Ktomk\Pipelines\LibFs; |
12
|
|
|
use Ktomk\Pipelines\LibFsPath; |
13
|
|
|
use Ktomk\Pipelines\LibTmp; |
14
|
|
|
use Ktomk\Pipelines\Runner\Containers\StepContainer; |
15
|
|
|
use Ktomk\Pipelines\Runner\Docker\ArtifactSource; |
16
|
|
|
use Ktomk\Pipelines\Runner\Docker\Binary\Repository; |
17
|
|
|
use Ktomk\Pipelines\Runner\Docker\ImageLogin; |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* Runner for a single step of a pipeline |
21
|
|
|
*/ |
22
|
|
|
class StepRunner |
23
|
|
|
{ |
24
|
|
|
/** |
25
|
|
|
* list of temporary directory destructible markers |
26
|
|
|
* |
27
|
|
|
* @var array |
28
|
|
|
*/ |
29
|
|
|
private $temporaryDirectories = array(); |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* @var Runner |
33
|
|
|
*/ |
34
|
|
|
private $runner; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* DockerSession constructor. |
38
|
|
|
* |
39
|
|
|
* @param Runner $runner |
40
|
|
|
*/ |
41
|
27 |
|
public function __construct(Runner $runner) |
42
|
|
|
{ |
43
|
27 |
|
$this->runner = $runner; |
44
|
27 |
|
} |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* @param Step $step |
48
|
|
|
* |
49
|
|
|
* @return null|int exist status of step script or null if the run operation failed |
50
|
|
|
*/ |
51
|
25 |
|
public function runStep(Step $step) |
52
|
|
|
{ |
53
|
25 |
|
$dir = $this->runner->getDirectories()->getProjectDirectory(); |
54
|
25 |
|
$env = $this->runner->getEnv(); |
55
|
25 |
|
$exec = $this->runner->getExec(); |
|
|
|
|
56
|
25 |
|
$streams = $this->runner->getStreams(); |
57
|
|
|
|
58
|
25 |
|
$containers = new Containers($this->runner); |
59
|
|
|
|
60
|
25 |
|
$env->setPipelinesProjectPath($dir); |
61
|
|
|
|
62
|
25 |
|
$container = $containers->createStepContainer($step); |
63
|
|
|
|
64
|
25 |
|
$env->setContainerName($container->getName()); |
65
|
|
|
|
66
|
25 |
|
$image = $step->getImage(); |
67
|
|
|
|
68
|
|
|
# launch container |
69
|
25 |
|
$streams->out(sprintf( |
70
|
25 |
|
"\x1D+++ step #%d\n\n name...........: %s\n effective-image: %s\n container......: %s\n", |
71
|
25 |
|
$step->getIndex() + 1, |
72
|
25 |
|
$step->getName() ? '"' . $step->getName() . '"' : '(unnamed)', |
73
|
25 |
|
$image->getName(), |
74
|
25 |
|
$container->getName() |
75
|
|
|
)); |
76
|
|
|
|
77
|
25 |
|
$id = $container->keepOrKill(); |
78
|
|
|
|
79
|
25 |
|
$deployCopy = $this->runner->getFlags()->deployCopy(); |
80
|
|
|
|
81
|
25 |
|
if (null === $id) { |
82
|
23 |
|
list($id, $status, $out, $err) = $this->runNewContainer($container, $dir, $deployCopy, $step); |
83
|
22 |
|
if (null === $id) { |
84
|
3 |
|
$streams->out(" container-id...: *failure*\n\n"); |
85
|
3 |
|
$streams->err("pipelines: setting up the container failed\n"); |
86
|
3 |
|
empty($err) || $streams->err("${err}\n"); |
87
|
3 |
|
empty($out) || $streams->out("${out}\n"); |
88
|
3 |
|
$streams->out(sprintf("exit status: %d\n", $status)); |
89
|
|
|
|
90
|
3 |
|
return $status; |
91
|
|
|
} |
92
|
|
|
} |
93
|
|
|
|
94
|
21 |
|
$streams->out(sprintf(" container-id...: %s\n\n", substr($id, 0, 12))); |
95
|
|
|
|
96
|
|
|
# TODO: different deployments, mount (default), mount-ro, copy |
97
|
21 |
|
if (null !== $result = $this->deployCopy($deployCopy, $id, $dir)) { |
98
|
2 |
|
$streams->err('pipelines: deploy copy failure\n'); |
99
|
|
|
|
100
|
2 |
|
return $result; |
101
|
|
|
} |
102
|
|
|
|
103
|
19 |
|
$deployCopy && $streams(''); |
104
|
|
|
|
105
|
19 |
|
$status = StepScriptRunner::createRunStepScript($this->runner, $container->getName(), $step); |
106
|
|
|
|
107
|
19 |
|
$this->captureStepArtifacts($step, $deployCopy && 0 === $status, $id, $dir); |
108
|
|
|
|
109
|
19 |
|
$container->shutdown($status); |
110
|
|
|
|
111
|
19 |
|
return $status; |
112
|
|
|
} |
113
|
|
|
|
114
|
|
|
/** |
115
|
|
|
* method to wrap new to have a test-point |
116
|
|
|
* |
117
|
|
|
* @return Repository |
118
|
|
|
*/ |
119
|
|
|
public function getDockerBinaryRepository() |
120
|
|
|
{ |
121
|
2 |
|
$repo = Repository::create($this->runner->getExec(), $this->runner->getDirectories()); |
122
|
2 |
|
$repo->resolve($this->runner->getRunOpts()->getBinaryPackage()); |
123
|
|
|
|
124
|
1 |
|
return $repo; |
125
|
|
|
} |
126
|
|
|
|
127
|
|
|
/** |
128
|
|
|
* @param Step $step |
129
|
|
|
* @param bool $copy |
130
|
|
|
* @param string $id container id |
131
|
|
|
* @param string $dir to put artifacts in (project directory) |
132
|
|
|
* |
133
|
|
|
* @throws \RuntimeException |
134
|
|
|
* |
135
|
|
|
* @return void |
136
|
|
|
*/ |
137
|
|
|
private function captureStepArtifacts(Step $step, $copy, $id, $dir) |
138
|
|
|
{ |
139
|
|
|
# capturing artifacts is only supported for deploy copy |
140
|
19 |
|
if (!$copy) { |
141
|
14 |
|
return; |
142
|
|
|
} |
143
|
|
|
|
144
|
5 |
|
$artifacts = $step->getArtifacts(); |
145
|
|
|
|
146
|
5 |
|
if (null === $artifacts) { |
147
|
2 |
|
return; |
148
|
|
|
} |
149
|
|
|
|
150
|
3 |
|
$exec = $this->runner->getExec(); |
151
|
3 |
|
$streams = $this->runner->getStreams(); |
152
|
|
|
|
153
|
3 |
|
$streams->out("\x1D+++ copying artifacts from container...\n"); |
154
|
|
|
|
155
|
3 |
|
$source = new ArtifactSource($exec, $id, $dir); |
156
|
|
|
|
157
|
3 |
|
$patterns = $artifacts->getPatterns(); |
158
|
3 |
|
foreach ($patterns as $pattern) { |
159
|
3 |
|
$this->captureArtifactPattern($source, $pattern, $dir); |
160
|
|
|
} |
161
|
|
|
|
162
|
3 |
|
$streams(''); |
163
|
3 |
|
} |
164
|
|
|
|
165
|
|
|
/** |
166
|
|
|
* capture artifact pattern |
167
|
|
|
* |
168
|
|
|
* @param ArtifactSource $source |
169
|
|
|
* @param string $pattern |
170
|
|
|
* @param string $dir |
171
|
|
|
* |
172
|
|
|
* @throws \RuntimeException |
173
|
|
|
* |
174
|
|
|
* @return void |
175
|
|
|
* |
176
|
|
|
* @see Runner::captureStepArtifacts() |
177
|
|
|
* |
178
|
|
|
*/ |
179
|
|
|
private function captureArtifactPattern(ArtifactSource $source, $pattern, $dir) |
180
|
|
|
{ |
181
|
3 |
|
$exec = $this->runner->getExec(); |
182
|
3 |
|
$streams = $this->runner->getStreams(); |
183
|
|
|
|
184
|
3 |
|
$id = $source->getId(); |
185
|
3 |
|
$paths = $source->findByPattern($pattern); |
186
|
3 |
|
if (empty($paths)) { |
187
|
1 |
|
return; |
188
|
|
|
} |
189
|
|
|
|
190
|
2 |
|
$chunks = Lib::arrayChunkByStringLength($paths, 131072, 4); |
191
|
|
|
|
192
|
2 |
|
foreach ($chunks as $paths) { |
193
|
2 |
|
$docker = Lib::cmd('docker', array('exec', '-w', '/app', $id)); |
194
|
2 |
|
$tar = Lib::cmd('tar', array('c', '-f', '-', $paths)); |
195
|
2 |
|
$unTar = Lib::cmd('tar', array('x', '-f', '-', '-C', $dir)); |
196
|
|
|
|
197
|
2 |
|
$command = $docker . ' ' . $tar . ' | ' . $unTar; |
198
|
2 |
|
$status = $exec->pass($command, array()); |
199
|
|
|
|
200
|
2 |
|
if (0 !== $status) { |
201
|
1 |
|
$streams->err(sprintf( |
202
|
1 |
|
"pipelines: Artifact failure: '%s' (%d, %d paths, %d bytes)\n", |
203
|
|
|
$pattern, |
204
|
|
|
$status, |
205
|
1 |
|
count($paths), |
206
|
1 |
|
strlen($command) |
207
|
|
|
)); |
208
|
|
|
} |
209
|
|
|
} |
210
|
2 |
|
} |
211
|
|
|
|
212
|
|
|
/** |
213
|
|
|
* @param bool $copy |
214
|
|
|
* @param string $id container id |
215
|
|
|
* @param string $dir directory to copy contents into container |
216
|
|
|
* |
217
|
|
|
* @throws \RuntimeException |
218
|
|
|
* |
219
|
|
|
* @return null|int null if all clear, integer for exit status |
220
|
|
|
*/ |
221
|
|
|
private function deployCopy($copy, $id, $dir) |
222
|
|
|
{ |
223
|
21 |
|
if (!$copy) { |
224
|
14 |
|
return null; |
225
|
|
|
} |
226
|
|
|
|
227
|
7 |
|
$streams = $this->runner->getStreams(); |
228
|
7 |
|
$exec = $this->runner->getExec(); |
229
|
|
|
|
230
|
7 |
|
$streams->out("\x1D+++ copying files into container...\n"); |
231
|
|
|
|
232
|
7 |
|
$tmpDir = LibTmp::tmpDir('pipelines-cp.'); |
233
|
7 |
|
$this->temporaryDirectories[] = DestructibleString::rmDir($tmpDir); |
234
|
7 |
|
LibFs::symlink($dir, $tmpDir . '/app'); |
235
|
7 |
|
$cd = Lib::cmd('cd', array($tmpDir . '/.')); |
236
|
7 |
|
$tar = Lib::cmd('tar', array('c', '-h', '-f', '-', '--no-recursion', 'app')); |
237
|
7 |
|
$dockerCp = Lib::cmd('docker ', array('cp', '-', $id . ':/.')); |
238
|
7 |
|
$status = $exec->pass("${cd} && echo 'app' | ${tar} | ${dockerCp}", array()); |
239
|
7 |
|
LibFs::unlink($tmpDir . '/app'); |
240
|
7 |
|
if (0 !== $status) { |
241
|
1 |
|
return $status; |
242
|
|
|
} |
243
|
|
|
|
244
|
6 |
|
$cd = Lib::cmd('cd', array($dir . '/.')); |
245
|
6 |
|
$tar = Lib::cmd('tar', array('c', '-f', '-', '.')); |
246
|
6 |
|
$dockerCp = Lib::cmd('docker ', array('cp', '-', $id . ':/app')); |
247
|
6 |
|
$status = $exec->pass("${cd} && ${tar} | ${dockerCp}", array()); |
248
|
6 |
|
if (0 !== $status) { |
249
|
1 |
|
return $status; |
250
|
|
|
} |
251
|
|
|
|
252
|
5 |
|
return null; |
253
|
|
|
} |
254
|
|
|
|
255
|
|
|
/** |
256
|
|
|
* @param StepContainer $container |
257
|
|
|
* @param string $dir |
258
|
|
|
* @param bool $copy |
259
|
|
|
* @param Step $step |
260
|
|
|
* |
261
|
|
|
* @return array array(string|null $id, int $status, string $out, string $err) |
262
|
|
|
*/ |
263
|
|
|
private function runNewContainer(StepContainer $container, $dir, $copy, Step $step) |
264
|
|
|
{ |
265
|
23 |
|
$env = $this->runner->getEnv(); |
266
|
|
|
|
267
|
23 |
|
$mountDockerSock = $this->obtainDockerSocketMount(); |
268
|
|
|
|
269
|
23 |
|
$mountDockerClient = $this->obtainDockerClientMount($step); |
270
|
|
|
|
271
|
22 |
|
$mountWorkingDirectory = $this->obtainWorkingDirMount($copy, $dir, $mountDockerSock); |
272
|
22 |
|
if ($mountWorkingDirectory && is_int($mountWorkingDirectory[1])) { |
273
|
2 |
|
return $mountWorkingDirectory + array(2 => '', 3 => ''); |
274
|
|
|
} |
275
|
|
|
|
276
|
20 |
|
$network = $container->getServiceContainers()->obtainNetwork(); |
277
|
|
|
|
278
|
|
|
# process docker login if image demands so, but continue on failure |
279
|
20 |
|
$image = $step->getImage(); |
280
|
20 |
|
ImageLogin::loginImage($this->runner->getExec(), $this->runner->getEnv()->getResolver(), null, $image); |
281
|
|
|
|
282
|
20 |
|
list($status, $out, $err) = $container->run( |
283
|
|
|
array( |
284
|
20 |
|
$network, |
285
|
20 |
|
'-i', '--name', $container->getName(), |
286
|
20 |
|
$env->getArgs('-e'), |
287
|
20 |
|
$env::createArgVarDefinitions('-e', $step->getEnv()), |
288
|
20 |
|
$mountWorkingDirectory, '-e', 'BITBUCKET_CLONE_DIR=/app', |
289
|
20 |
|
$mountDockerSock, |
290
|
20 |
|
$mountDockerClient, |
291
|
20 |
|
$container->obtainUserOptions(), |
292
|
20 |
|
$container->obtainSshOptions(), |
293
|
20 |
|
'--workdir', '/app', '--detach', '--entrypoint=/bin/sh', $image->getName(), |
294
|
|
|
) |
295
|
|
|
); |
296
|
20 |
|
$id = $status ? null : $container->getDisplayId(); |
297
|
|
|
|
298
|
20 |
|
return array($id, $status, $out, $err); |
299
|
|
|
} |
300
|
|
|
|
301
|
|
|
/** |
302
|
|
|
* @param Step $step |
303
|
|
|
* |
304
|
|
|
* @return string[] |
305
|
|
|
*/ |
306
|
|
|
private function obtainDockerClientMount(Step $step) |
307
|
|
|
{ |
308
|
23 |
|
if (!$step->getServices()->has('docker')) { |
309
|
20 |
|
return array(); |
310
|
|
|
} |
311
|
|
|
|
312
|
3 |
|
$path = $this->runner->getRunOpts()->getOption('docker.client.path'); |
313
|
|
|
|
314
|
|
|
// prefer pip mount over package |
315
|
3 |
|
$hostPath = $this->pipHostConfigBind($path); |
316
|
3 |
|
if (null !== $hostPath) { |
317
|
1 |
|
return array('-v', sprintf('%s:%s:ro', $hostPath, $path)); |
318
|
|
|
} |
319
|
|
|
|
320
|
2 |
|
$local = $this->getDockerBinaryRepository()->getBinaryPath(); |
321
|
1 |
|
chmod($local, 0755); |
322
|
|
|
|
323
|
1 |
|
return array('-v', sprintf('%s:%s:ro', $local, $path)); |
324
|
|
|
} |
325
|
|
|
|
326
|
|
|
/** |
327
|
|
|
* enable docker client inside docker by mounting docker socket |
328
|
|
|
* |
329
|
|
|
* @return array docker socket volume args for docker run, empty if not mounting |
330
|
|
|
*/ |
331
|
|
|
private function obtainDockerSocketMount() |
332
|
|
|
{ |
333
|
23 |
|
$args = array(); |
334
|
|
|
|
335
|
|
|
// FIXME give more controlling options, this is serious /!\ |
336
|
23 |
|
if (!$this->runner->getFlags()->useDockerSocket()) { |
337
|
1 |
|
return $args; |
338
|
|
|
} |
339
|
|
|
|
340
|
22 |
|
$defaultSocketPath = $this->runner->getRunOpts()->getOption('docker.socket.path'); |
341
|
22 |
|
$hostPathDockerSocket = $defaultSocketPath; |
342
|
|
|
|
343
|
|
|
// pipelines inside pipelines |
344
|
22 |
|
$hostPath = $this->pipHostConfigBind($defaultSocketPath); |
345
|
22 |
|
if (null !== $hostPath) { |
346
|
|
|
return array( |
347
|
1 |
|
'-v', sprintf('%s:%s', $hostPath, $defaultSocketPath), |
348
|
|
|
); |
349
|
|
|
} |
350
|
|
|
|
351
|
21 |
|
$dockerHost = $this->runner->getEnv()->getInheritValue('DOCKER_HOST'); |
352
|
21 |
|
if (null !== $dockerHost && 0 === strpos($dockerHost, 'unix://')) { |
353
|
1 |
|
$hostPathDockerSocket = LibFsPath::normalize(substr($dockerHost, 7)); |
354
|
|
|
} |
355
|
|
|
|
356
|
21 |
|
$pathDockerSock = $defaultSocketPath; |
357
|
|
|
|
358
|
21 |
|
if (file_exists($hostPathDockerSocket)) { |
359
|
|
|
$args = array( |
360
|
18 |
|
'-v', sprintf('%s:%s', $hostPathDockerSocket, $pathDockerSock), |
361
|
|
|
); |
362
|
|
|
} |
363
|
|
|
|
364
|
21 |
|
return $args; |
365
|
|
|
} |
366
|
|
|
|
367
|
|
|
/** |
368
|
|
|
* @param bool $copy |
369
|
|
|
* @param string $dir |
370
|
|
|
* @param array $mountDockerSock |
371
|
|
|
* |
372
|
|
|
* @return array mount options or array(null, int $status) for error handling |
373
|
|
|
*/ |
374
|
|
|
private function obtainWorkingDirMount($copy, $dir, array $mountDockerSock) |
375
|
|
|
{ |
376
|
22 |
|
if ($copy) { |
377
|
7 |
|
return array(); |
378
|
|
|
} |
379
|
|
|
|
380
|
15 |
|
$parentName = $this->runner->getEnv()->getValue('PIPELINES_PARENT_CONTAINER_NAME'); |
381
|
15 |
|
$hostDeviceDir = $this->pipHostConfigBind($dir); |
382
|
15 |
|
$checkMount = $mountDockerSock && null !== $parentName; |
383
|
15 |
|
$deviceDir = $hostDeviceDir ?: $dir; |
384
|
15 |
|
if ($checkMount && '/app' === $dir && null === $hostDeviceDir) { // FIXME(tk): hard encoded /app |
385
|
2 |
|
$deviceDir = $this->runner->getEnv()->getValue('PIPELINES_PROJECT_PATH'); |
386
|
2 |
|
if ($deviceDir === $dir || null === $deviceDir) { |
387
|
2 |
|
$this->runner->getStreams()->err("pipelines: fatal: can not detect ${dir} mount point\n"); |
388
|
|
|
|
389
|
2 |
|
return array(null, 1); |
390
|
|
|
} |
391
|
|
|
} |
392
|
|
|
|
393
|
|
|
// FIXME(tk): Never mount anything not matching /home/[a-zA-Z][a-zA-Z0-9]*/[^.].*/... |
394
|
|
|
// + do realpath checking |
395
|
|
|
// + prevent dot path injections (logical fix first) |
396
|
13 |
|
return array('-v', "${deviceDir}:/app"); // FIXME(tk): hard encoded /app |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
/** |
400
|
|
|
* get host path from mount point if in pip level 2+ |
401
|
|
|
* |
402
|
|
|
* @param mixed $mountPoint |
403
|
|
|
* |
404
|
|
|
* @return null|string |
405
|
|
|
*/ |
406
|
|
|
private function pipHostConfigBind($mountPoint) |
407
|
|
|
{ |
408
|
|
|
// if there is a parent name, this is level 2+ |
409
|
23 |
|
if (null === $pipName = $this->runner->getEnv()->getValue('PIPELINES_PIP_CONTAINER_NAME')) { |
410
|
20 |
|
return null; |
411
|
|
|
} |
412
|
|
|
|
413
|
3 |
|
return Docker::create($this->runner->getExec())->hostConfigBind($pipName, $mountPoint); |
414
|
|
|
} |
415
|
|
|
} |
416
|
|
|
|