StepRunner::runStepScript() - Code Metrics - Inspection of "squash! add --docker-client-pkgs to list built-in..." - ktomk/pipelines - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — test ( ccd17d...b5a64e )

by Tom

created 2019-12-20 23:57 UTC

StepRunner::runStepScript() A

↳ Parent: StepRunner

Complexity

Conditions	4
Paths	6

Size

Total Lines	23
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	4

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	4
eloc	14
c	2
b	0
f	0
nc	6
nop	4
dl	0
loc	23
ccs	14
cts	14
cp	1
crap	4
rs	9.7998

<?php

/* this file is part of pipelines */

namespace Ktomk\Pipelines\Runner;

use Ktomk\Pipelines\Cli\Docker;
use Ktomk\Pipelines\Cli\Exec;
use Ktomk\Pipelines\Cli\Streams;
use Ktomk\Pipelines\DestructibleString;
use Ktomk\Pipelines\File\Image;
use Ktomk\Pipelines\File\Step;
use Ktomk\Pipelines\Lib;
use Ktomk\Pipelines\LibFs;
use Ktomk\Pipelines\LibTmp;
use Ktomk\Pipelines\Runner\Docker\Binary\Repository;

/**
 * Runner for a single step of a pipeline
 */
class StepRunner
{
    /**
     * @var RunOpts
     */
    private $runOpts;

    /**
     * @var Directories
     */
    private $directories;

    /**
     * @var Exec
     */
    private $exec;

    /**
     * @var Flags
     */
    private $flags;

    /**
     * @var Env
     */
    private $env;

    /**
     * @var Streams
     */
    private $streams;

    /**
     * list of temporary directory destructible markers
     *
     * @var array
     */
    private $temporaryDirectories = array();

    /**
     * DockerSession constructor.
     *
     * @param RunOpts $runOpts
     * @param Directories $directories source repository root directory based directories object
     * @param Exec $exec
     * @param Flags $flags
     * @param Env $env
     * @param Streams $streams
     */
    public function __construct(
        RunOpts $runOpts,
        Directories $directories,
        Exec $exec,
        Flags $flags,
        Env $env,
        Streams $streams
    )
    {
        $this->runOpts = $runOpts;
        $this->directories = $directories;
        $this->exec = $exec;
        $this->flags = $flags;
        $this->env = $env;
        $this->streams = $streams;
    }

    /**
     * @param Step $step
     * @return null|int exist status of step script or null if the run operation failed
     */
    public function runStep(Step $step)
    {
        $dir = $this->directories->getProjectDirectory();
        $env = $this->env;
        $exec = $this->exec;
        $streams = $this->streams;

        $env->setPipelinesProjectPath($dir);

        $reuseContainer = $this->flags->reuseContainer();
        $deployCopy = $this->flags->deployCopy();

        $name = $this->generateContainerName($step);

        if (false === $reuseContainer) {
            $this->zapContainerByName($name);
        }
        $image = $step->getImage();
        $env->setContainerName($name);

        # launch container
        $streams->out(sprintf(
            "\x1D+++ step #%d\n\n    name...........: %s\n    effective-image: %s\n    container......: %s\n",
            $step->getIndex() + 1,
            $step->getName() ? '"' . $step->getName() . '"' : '(unnamed)',
            $image->getName(),
            $name
        ));

        $id = null;
        if ($reuseContainer) {
            $id = $this->dockerGetContainerIdByName($name);
        }

        if (null === $id) {
            list($id, $status) = $this->runNewContainer($name, $dir, $deployCopy, $step);
            if (null === $id) {
                return $status;
            }
        }

        $streams->out(sprintf("    container-id...: %s\n\n", substr($id, 0, 12)));

        # TODO: different deployments, mount (default), mount-ro, copy
        if (null !== $result = $this->deployCopy($deployCopy, $id, $dir)) {
            return $result;
        }

        list($status, $message) = $this->deployDockerClient($step, $id);
        if (0 !== $status) {
            $this->streams->err(rtrim($message, "\n") . "\n");

            return $status;
        }

        $status = $this->runStepScript($step, $streams, $exec, $name);

        $this->captureStepArtifacts($step, $deployCopy && 0 === $status, $id, $dir);

        $this->shutdownStepContainer($status, $id, $exec, $name);

        return $status;
    }

    /**
     * method to wrap new to have a test-point
     *
     * @return Repository
     */
    public function getDockerBinaryRepository()
    {
        $repo = Repository::create($this->exec, $this->directories);
        $repo->resolve($this->runOpts->getBinaryPackage());

        return $repo;
    }

    /**
     * @param Step $step
     * @param bool $copy
     * @param string $id container id
     * @param string $dir to put artifacts in (project directory)
     * @throws \RuntimeException
     */
    private function captureStepArtifacts(Step $step, $copy, $id, $dir)
    {
        # capturing artifacts is only supported for deploy copy
        if (!$copy) {
            return;
        }

        $artifacts = $step->getArtifacts();

        if (null === $artifacts) {
            return;
        }

        $exec = $this->exec;
        $streams = $this->streams;

        $streams->out("\x1D+++ copying artifacts from container...\n");

        $source = new ArtifactSource($exec, $id, $dir);

        $patterns = $artifacts->getPatterns();
        foreach ($patterns as $pattern) {
            $this->captureArtifactPattern($source, $pattern, $dir);
        }

        $streams('');
    }

    /**
     * @see Runner::captureStepArtifacts()
     *
     * @param ArtifactSource $source
     * @param string $pattern
     * @param string $dir
     * @throws \RuntimeException
     */
    private function captureArtifactPattern(ArtifactSource $source, $pattern, $dir)
    {
        $exec = $this->exec;
        $streams = $this->streams;

        $id = $source->getId();
        $paths = $source->findByPattern($pattern);
        if (empty($paths)) {
            return;
        }

        $chunks = Lib::arrayChunkByStringLength($paths, 131072, 4);

        foreach ($chunks as $paths) {
            $docker = Lib::cmd('docker', array('exec', '-w', '/app', $id));
            $tar = Lib::cmd('tar', array('c', '-f', '-', $paths));
            $unTar = Lib::cmd('tar', array('x', '-f', '-', '-C', $dir));

            $command = $docker . ' ' . $tar . ' | ' . $unTar;
            $status = $exec->pass($command, array());

            if (0 !== $status) {
                $streams->err(sprintf(
                    "pipelines: Artifact failure: '%s' (%d, %d paths, %d bytes)\n",
                    $pattern,
                    $status,
                    count($paths),
                    strlen($command)
                ));
            }
        }
    }

    /**
     * @param bool $copy
     * @param string $id container id
     * @param string $dir directory to copy contents into container
     * @throws \RuntimeException
     * @return null|int null if all clear, integer for exit status
     */
    private function deployCopy($copy, $id, $dir)
    {
        if (!$copy) {
            return null;
        }

        $streams = $this->streams;
        $exec = $this->exec;

        $streams->out("\x1D+++ copying files into container...\n");

        $tmpDir = LibTmp::tmpDir('pipelines-cp.');
        $this->temporaryDirectories[] = DestructibleString::rmDir($tmpDir);
        LibFs::symlink($dir, $tmpDir . '/app');
        $cd = Lib::cmd('cd', array($tmpDir . '/.'));
        $tar = Lib::cmd('tar', array('c', '-h', '-f', '-', '--no-recursion', 'app'));
        $dockerCp = Lib::cmd('docker ', array('cp', '-', $id . ':/.'));
        $status = $exec->pass("${cd} && echo 'app' | ${tar} | ${dockerCp}", array());
        LibFs::unlink($tmpDir . '/app');
        if (0 !== $status) {
            $streams->err('pipelines: deploy copy failure\n');

            return $status;
        }

        $cd = Lib::cmd('cd', array($dir . '/.'));
        $tar = Lib::cmd('tar', array('c', '-f', '-', '.'));
        $dockerCp = Lib::cmd('docker ', array('cp', '-', $id . ':/app'));
        $status = $exec->pass("${cd} && ${tar} | ${dockerCp}", array());
        if (0 !== $status) {
            $streams->err('pipelines: deploy copy failure\n');

            return $status;
        }

        $streams('');

        return null;
    }

    /**
     * if there is the docker service in the step, deploy the
     * docker client
     *
     * @param Step $step
     * @param string $id
     * @throws
     * @return array array(int $status, string $message)
     */
    private function deployDockerClient(Step $step, $id)
    {
        if (!$step->getServices()->has('docker')) {
            return array(0, '');
        }

        $this->streams->out(' +++ docker client install...: ');

        try {
            list($status, $message) = $this->getDockerBinaryRepository()->inject($id);
        } catch (\Exception $e) {
            $this->streams->out("pipelines internal failure.\n");

            throw new \InvalidArgumentException('inject docker client failed: ' . $e->getMessage(), 1, $e);
        }

        $this->streams->out("${message}\n");

        return array($status, $message);
    }

    /**
     * @param string $name
     * @return null|string
     */
    private function dockerGetContainerIdByName($name)
    {
        $ids = null;

        $status = $this->exec->capture(
            'docker',
            array(
                'ps', '-qa', '--filter',
                "name=^/${name}$"
            ),
            $result
        );

        $status || $ids = Lib::lines($result);

        if ($status || !(is_array($ids) && 1 === count($ids))) {
            return null;
        }

        return $ids[0];
    }

    /**
     * @param Step $step
     * @return string
     */
    private function generateContainerName(Step $step)
    {
        $project = $this->directories->getName();
        $idContainerSlug = preg_replace('([^a-zA-Z0-9_.-]+)', '-', $step->getPipeline()->getId());
        if ('' === $idContainerSlug) {
            $idContainerSlug = 'null';
        }
        $nameSlug = preg_replace(array('( )', '([^a-zA-Z0-9_.-]+)'), array('-', ''), $step->getName());
        if ('' === $nameSlug) {
            $nameSlug = 'no-name';
        }

        return $this->runOpts->getPrefix() . '-' . implode(
            '.',
            array_reverse(
                array(
                        $project,
                        trim($idContainerSlug, '-'),
                        $nameSlug,
                        $step->getIndex() + 1,
                    )
            )
        );
    }

    /**
     * @param Image $image
     * @throws \RuntimeException
     * @throws \InvalidArgumentException
     */
    private function imageLogin(Image $image)
    {
        $login = new DockerLogin($this->exec, $this->env->getResolver());
        $login->byImage($image);
    }

    /**
     * @param string $name
     * @param string $dir
     * @param bool $copy
     * @param Step $step
     * @return array array(string|null $id, int $status)
     */
    private function runNewContainer($name, $dir, $copy, Step $step)
    {
        $env = $this->env;
        $exec = $this->exec;
        $streams = $this->streams;

        $image = $step->getImage();

        # process docker login if image demands so, but continue on failure
        $this->imageLogin($image);

        // enable docker client inside docker by mounting docker socket
        // FIXME give controlling options, this is serious /!\
        $mountDockerSock = array();
        $pathDockerSock = $this->runOpts->getOption('docker.socket.path');
        if ($this->flags->useDockerSocket() && file_exists($pathDockerSock)) {
            $mountDockerSock = array(
                '-v', sprintf('%s:%s', $pathDockerSock, $pathDockerSock),
            );
        }

        $parentName = $env->getValue('PIPELINES_PARENT_CONTAINER_NAME');
        $checkMount = $mountDockerSock && null !== $parentName;
        $deviceDir = $dir;
        if ($checkMount && '/app' === $dir) { // FIXME(tk): hard encoded /app
            $docker = new Docker($exec);
            $deviceDir = $docker->hostDevice($parentName, $dir);
            unset($docker);
            if ($deviceDir === $dir) {
                $deviceDir = $env->getPipelinesProjectPath($deviceDir);
            }
            if ($deviceDir === $dir) {
                $streams->err("pipelines: fatal: can not detect ${dir} mount point. preventing new container.\n");

                return array(null, 1);
            }
        }

        $mountWorkingDirectory = $copy
            ? array()
            // FIXME(tk): Never mount anything not matching /home/[a-zA-Z][a-zA-Z0-9]*/[^.].*/...
            //   + do realpath checking
            //   + prevent dot path injections (logical fix first)
            : array('--volume', "${deviceDir}:/app"); // FIXME(tk): hard encoded /app

        $status = $exec->capture('docker', array(
            'run', '-i', '--name', $name,
            $env->getArgs('-e'),
            $mountWorkingDirectory, '-e', 'BITBUCKET_CLONE_DIR=/app',
            $mountDockerSock,
            '--workdir', '/app', '--detach', '--entrypoint=/bin/sh', $image->getName()
        ), $out, $err);
        if (0 !== $status) {
            $streams->out("    container-id...: *failure*\n\n");
            $streams->err("pipelines: setting up the container failed\n");
            $streams->err("${err}\n");
            $streams->out("${out}\n");
            $streams->out(sprintf("exit status: %d\n", $status));

            return array(null, $status);
        }
        $id = rtrim($out) ?: '*dry-run*'; # side-effect: internal exploit of no output with true exit status

        return array($id, 0);
    }

    /**
     * @param Step $step
     * @param Streams $streams
     * @param Exec $exec
     * @param string $name container name
     * @return null|int should never be null, status, non-zero if a command failed
     */
    private function runStepScript(Step $step, Streams $streams, Exec $exec, $name)
    {
        $script = $step->getScript();

        $buffer = Lib::cmd("<<'SCRIPT' docker", array(
            'exec', '-i', $name, '/bin/sh'
        ));
        $buffer .= "\n# this /bin/sh script is generated from a pipelines pipeline:\n";
        $buffer .= "set -e\n";
        foreach ($script as $line => $command) {
            $line && $buffer .= 'printf \'\\n\'' . "\n";
            $buffer .= 'printf \'\\035+ %s\\n\' ' . Lib::quoteArg($command) . "\n";
            $buffer .= $command . "\n";
        }
        $buffer .= "SCRIPT\n";

        $status = $exec->pass($buffer, array());

        if (0 !== $status) {
            $streams->err(sprintf("script non-zero exit status: %d\n", $status));
        }

        return $status;
    }

    /**
     * @param int $status
     * @param string $id container id
     * @param Exec $exec
     * @param string $name container name
     * @throws \RuntimeException
     */
    private function shutdownStepContainer($status, $id, Exec $exec, $name)
    {
        $flags = $this->flags;

        # keep container on error
        if (0 !== $status && $flags->keepOnError()) {
            $this->streams->err(sprintf(
                "error, keeping container id %s\n",
                substr($id, 0, 12)
            ));

            return;
        }

        # keep or remove container
        if ($flags->killContainer()) {
            $exec->capture('docker', array('kill', $name));
        }

        if ($flags->removeContainer()) {
            $exec->capture('docker', array('rm', $name));
        }

        if ($flags->keep()) {
            $this->streams->out(sprintf(
                "keeping container id %s\n",
                substr($id, 0, 12)
            ));
        }
    }

    /**
     * @param string $name
     */
    private function zapContainerByName($name)
    {
        $ids = null;

        $status = $this->exec->capture(
            'docker',
            array(
                'ps', '-qa', '--filter',
                "name=^/${name}$"
            ),
            $result
        );

        $status || $ids = Lib::lines($result);

        if ($status || !(is_array($ids) && 1 === count($ids))) {
            return;
        }

        $this->exec->capture('docker', Lib::merge('kill', $ids));
        $this->exec->capture('docker', Lib::merge('rm', $ids));
    }
}


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\Cli\Exec;
9		use Ktomk\Pipelines\Cli\Streams;
10		use Ktomk\Pipelines\DestructibleString;
11		use Ktomk\Pipelines\File\Image;
12		use Ktomk\Pipelines\File\Step;
13		use Ktomk\Pipelines\Lib;
14		use Ktomk\Pipelines\LibFs;
15		use Ktomk\Pipelines\LibTmp;
16		use Ktomk\Pipelines\Runner\Docker\Binary\Repository;
17
18		/**
19		* Runner for a single step of a pipeline
20		*/
21		class StepRunner
22		{
23		/**
24		* @var RunOpts
25		*/
26		private $runOpts;
27
28		/**
29		* @var Directories
30		*/
31		private $directories;
32
33		/**
34		* @var Exec
35		*/
36		private $exec;
37
38		/**
39		* @var Flags
40		*/
41		private $flags;
42
43		/**
44		* @var Env
45		*/
46		private $env;
47
48		/**
49		* @var Streams
50		*/
51		private $streams;
52
53		/**
54		* list of temporary directory destructible markers
55		*
56		* @var array
57		*/
58		private $temporaryDirectories = array();
59
60		/**
61		* DockerSession constructor.
62		*
63		* @param RunOpts $runOpts
64		* @param Directories $directories source repository root directory based directories object
65		* @param Exec $exec
66		* @param Flags $flags
67		* @param Env $env
68		* @param Streams $streams
69		*/
70	18	public function __construct(
71		RunOpts $runOpts,
72		Directories $directories,
73		Exec $exec,
74		Flags $flags,
75		Env $env,
76		Streams $streams
77		)
78		{
79	18	$this->runOpts = $runOpts;
80	18	$this->directories = $directories;
81	18	$this->exec = $exec;
82	18	$this->flags = $flags;
83	18	$this->env = $env;
84	18	$this->streams = $streams;
85	18	}
86
87		/**
88		* @param Step $step
89		* @return null\|int exist status of step script or null if the run operation failed
90		*/
91	17	public function runStep(Step $step)
92		{
93	17	$dir = $this->directories->getProjectDirectory();
94	17	$env = $this->env;
95	17	$exec = $this->exec;
96	17	$streams = $this->streams;
97
98	17	$env->setPipelinesProjectPath($dir);
99
100	17	$reuseContainer = $this->flags->reuseContainer();
101	17	$deployCopy = $this->flags->deployCopy();
102
103	17	$name = $this->generateContainerName($step);
104
105	17	if (false === $reuseContainer) {
106	14	$this->zapContainerByName($name);
107		}
108	17	$image = $step->getImage();
109	17	$env->setContainerName($name);
110
111		# launch container
112	17	$streams->out(sprintf(
113	17	"\x1D+++ step #%d\n\n name...........: %s\n effective-image: %s\n container......: %s\n",
114	17	$step->getIndex() + 1,
115	17	$step->getName() ? '"' . $step->getName() . '"' : '(unnamed)',
116	17	$image->getName(),
117	17	$name
118		));
119
120	17	$id = null;
121	17	if ($reuseContainer) {
122	3	$id = $this->dockerGetContainerIdByName($name);
123		}
124
125	17	if (null === $id) {
126	15	list($id, $status) = $this->runNewContainer($name, $dir, $deployCopy, $step);
127	15	if (null === $id) {
128	2	return $status;
129		}
130		}
131
132	15	$streams->out(sprintf(" container-id...: %s\n\n", substr($id, 0, 12)));
133
134		# TODO: different deployments, mount (default), mount-ro, copy
135	15	if (null !== $result = $this->deployCopy($deployCopy, $id, $dir)) {
136	2	return $result;
137		}
138
139	13	list($status, $message) = $this->deployDockerClient($step, $id);
140	12	if (0 !== $status) {
141	1	$this->streams->err(rtrim($message, "\n") . "\n");
142
143	1	return $status;
144		}
145
146	11	$status = $this->runStepScript($step, $streams, $exec, $name);
147
148	11	$this->captureStepArtifacts($step, $deployCopy && 0 === $status, $id, $dir);
149
150	11	$this->shutdownStepContainer($status, $id, $exec, $name);
151
152	11	return $status;
153		}
154
155		/**
156		* method to wrap new to have a test-point
157		*
158		* @return Repository
159		*/
160	2	public function getDockerBinaryRepository()
161		{
162	2	$repo = Repository::create($this->exec, $this->directories);
163	2	$repo->resolve($this->runOpts->getBinaryPackage());
164
165	1	return $repo;
166		}
167
168		/**
169		* @param Step $step
170		* @param bool $copy
171		* @param string $id container id
172		* @param string $dir to put artifacts in (project directory)
173		* @throws \RuntimeException
174		*/
175	11	private function captureStepArtifacts(Step $step, $copy, $id, $dir)
176		{
177		# capturing artifacts is only supported for deploy copy
178	11	if (!$copy) {
179	6	return;
180		}
181
182	5	$artifacts = $step->getArtifacts();
183
184	5	if (null === $artifacts) {
185	2	return;
186		}
187
188	3	$exec = $this->exec;
189	3	$streams = $this->streams;
190
191	3	$streams->out("\x1D+++ copying artifacts from container...\n");
192
193	3	$source = new ArtifactSource($exec, $id, $dir);
194
195	3	$patterns = $artifacts->getPatterns();
196	3	foreach ($patterns as $pattern) {
197	3	$this->captureArtifactPattern($source, $pattern, $dir);
198		}
199
200	3	$streams('');
201	3	}
202
203		/**
204		* @see Runner::captureStepArtifacts()
205		*
206		* @param ArtifactSource $source
207		* @param string $pattern
208		* @param string $dir
209		* @throws \RuntimeException
210		*/
211	3	private function captureArtifactPattern(ArtifactSource $source, $pattern, $dir)
212		{
213	3	$exec = $this->exec;
214	3	$streams = $this->streams;
215
216	3	$id = $source->getId();
217	3	$paths = $source->findByPattern($pattern);
218	3	if (empty($paths)) {
219	1	return;
220		}
221
222	2	$chunks = Lib::arrayChunkByStringLength($paths, 131072, 4);
223
224	2	foreach ($chunks as $paths) {
225	2	$docker = Lib::cmd('docker', array('exec', '-w', '/app', $id));
226	2	$tar = Lib::cmd('tar', array('c', '-f', '-', $paths));
227	2	$unTar = Lib::cmd('tar', array('x', '-f', '-', '-C', $dir));
228
229	2	$command = $docker . ' ' . $tar . ' \| ' . $unTar;
230	2	$status = $exec->pass($command, array());
231
232	2	if (0 !== $status) {
233	1	$streams->err(sprintf(
234	1	"pipelines: Artifact failure: '%s' (%d, %d paths, %d bytes)\n",
235	1	$pattern,
236	1	$status,
237	1	count($paths),
238	1	strlen($command)
239		));
240		}
241		}
242	2	}
243
244		/**
245		* @param bool $copy
246		* @param string $id container id
247		* @param string $dir directory to copy contents into container
248		* @throws \RuntimeException
249		* @return null\|int null if all clear, integer for exit status
250		*/
251	15	private function deployCopy($copy, $id, $dir)
252		{
253	15	if (!$copy) {
254	8	return null;
255		}
256
257	7	$streams = $this->streams;
258	7	$exec = $this->exec;
259
260	7	$streams->out("\x1D+++ copying files into container...\n");
261
262	7	$tmpDir = LibTmp::tmpDir('pipelines-cp.');
263	7	$this->temporaryDirectories[] = DestructibleString::rmDir($tmpDir);
264	7	LibFs::symlink($dir, $tmpDir . '/app');
265	7	$cd = Lib::cmd('cd', array($tmpDir . '/.'));
266	7	$tar = Lib::cmd('tar', array('c', '-h', '-f', '-', '--no-recursion', 'app'));
267	7	$dockerCp = Lib::cmd('docker ', array('cp', '-', $id . ':/.'));
268		$status = $exec->pass("${cd} && echo 'app' \| ${tar} \| ${dockerCp}", array());
269		LibFs::unlink($tmpDir . '/app');
270	7	if (0 !== $status) {
271	1	$streams->err('pipelines: deploy copy failure\n');
272
273	1	return $status;
274		}
275
276	6	$cd = Lib::cmd('cd', array($dir . '/.'));
277	6	$tar = Lib::cmd('tar', array('c', '-f', '-', '.'));
278	6	$dockerCp = Lib::cmd('docker ', array('cp', '-', $id . ':/app'));
279	6	$status = $exec->pass("${cd} && ${tar} \| ${dockerCp}", array());
280	6	if (0 !== $status) {
281	1	$streams->err('pipelines: deploy copy failure\n');
282
283	1	return $status;
284		}
285
286	5	$streams('');
287
288	5	return null;
289		}
290
291		/**
292		* if there is the docker service in the step, deploy the
293		* docker client
294		*
295		* @param Step $step
296		* @param string $id
297		* @throws
298		* @return array array(int $status, string $message)
299		*/
300		private function deployDockerClient(Step $step, $id)
301		{
302	13	if (!$step->getServices()->has('docker')) {
303	10	return array(0, '');
304		}
305
306	3	$this->streams->out(' +++ docker client install...: ');
307
308		try {
309	3	list($status, $message) = $this->getDockerBinaryRepository()->inject($id);
310	1	} catch (\Exception $e) {
311	1	$this->streams->out("pipelines internal failure.\n");
312
313	1	throw new \InvalidArgumentException('inject docker client failed: ' . $e->getMessage(), 1, $e);
314		}
315
316	2	$this->streams->out("${message}\n");
317
318	2	return array($status, $message);
319		}
320
321		/**
322		* @param string $name
323		* @return null\|string
324		*/
325		private function dockerGetContainerIdByName($name)
326		{
327	3	$ids = null;
328
329	3	$status = $this->exec->capture(
330	3	'docker',
331		array(
332	3	'ps', '-qa', '--filter',
333	3	"name=^/${name}$"
334		),
335	3	$result
336		);
337
338	3	$status \|\| $ids = Lib::lines($result);
339
340	3	if ($status \|\| !(is_array($ids) && 1 === count($ids))) {
341	1	return null;
342		}
343
344	2	return $ids[0];
345		}
346
347		/**
348		* @param Step $step
349		* @return string
350		*/
351		private function generateContainerName(Step $step)
352		{
353	17	$project = $this->directories->getName();
354	17	$idContainerSlug = preg_replace('([^a-zA-Z0-9_.-]+)', '-', $step->getPipeline()->getId());
355	17	if ('' === $idContainerSlug) {
356	17	$idContainerSlug = 'null';
357		}
358	17	$nameSlug = preg_replace(array('( )', '([^a-zA-Z0-9_.-]+)'), array('-', ''), $step->getName());
359	17	if ('' === $nameSlug) {
360	17	$nameSlug = 'no-name';
361		}
362
363	17	return $this->runOpts->getPrefix() . '-' . implode(
364	17	'.',
365	17	array_reverse(
366		array(
367	17	$project,
368	17	trim($idContainerSlug, '-'),
369	17	$nameSlug,
370	17	$step->getIndex() + 1,
371		)
372		)
373		);
374		}
375
376		/**
377		* @param Image $image
378		* @throws \RuntimeException
379		* @throws \InvalidArgumentException
380		*/
381		private function imageLogin(Image $image)
382		{
383	15	$login = new DockerLogin($this->exec, $this->env->getResolver());
384	15	$login->byImage($image);
385	15	}
386
387		/**
388		* @param string $name
389		* @param string $dir
390		* @param bool $copy
391		* @param Step $step
392		* @return array array(string\|null $id, int $status)
393		*/
394		private function runNewContainer($name, $dir, $copy, Step $step)
395		{
396	15	$env = $this->env;
397	15	$exec = $this->exec;
398	15	$streams = $this->streams;
399
400	15	$image = $step->getImage();
401
402		# process docker login if image demands so, but continue on failure
403	15	$this->imageLogin($image);
404
405		// enable docker client inside docker by mounting docker socket
406		// FIXME give controlling options, this is serious /!\
407	15	$mountDockerSock = array();
408	15	$pathDockerSock = $this->runOpts->getOption('docker.socket.path');
409	15	if ($this->flags->useDockerSocket() && file_exists($pathDockerSock)) {
410		$mountDockerSock = array(
411	12	'-v', sprintf('%s:%s', $pathDockerSock, $pathDockerSock),
412		);
413		}
414
415	15	$parentName = $env->getValue('PIPELINES_PARENT_CONTAINER_NAME');
416	15	$checkMount = $mountDockerSock && null !== $parentName;
417	15	$deviceDir = $dir;
418	15	if ($checkMount && '/app' === $dir) { // FIXME(tk): hard encoded /app
419	1	$docker = new Docker($exec);
420	1	$deviceDir = $docker->hostDevice($parentName, $dir);
421	1	unset($docker);
422	1	if ($deviceDir === $dir) {
423	1	$deviceDir = $env->getPipelinesProjectPath($deviceDir);
424		}
425	1	if ($deviceDir === $dir) {
426	1	$streams->err("pipelines: fatal: can not detect ${dir} mount point. preventing new container.\n");
427
428	1	return array(null, 1);
429		}
430		}
431
432	14	$mountWorkingDirectory = $copy
433	7	? array()
434		// FIXME(tk): Never mount anything not matching /home/[a-zA-Z][a-zA-Z0-9]/[^.]./...
435		// + do realpath checking
436		// + prevent dot path injections (logical fix first)
437	14	: array('--volume', "${deviceDir}:/app"); // FIXME(tk): hard encoded /app
438
439	14	$status = $exec->capture('docker', array(
440	14	'run', '-i', '--name', $name,
441	14	$env->getArgs('-e'),
442	14	$mountWorkingDirectory, '-e', 'BITBUCKET_CLONE_DIR=/app',
443	14	$mountDockerSock,
444	14	'--workdir', '/app', '--detach', '--entrypoint=/bin/sh', $image->getName()
445	14	), $out, $err);
446	14	if (0 !== $status) {
447	1	$streams->out(" container-id...: failure\n\n");
448	1	$streams->err("pipelines: setting up the container failed\n");
449	1	$streams->err("${err}\n");
450	1	$streams->out("${out}\n");
451	1	$streams->out(sprintf("exit status: %d\n", $status));
452
453	1	return array(null, $status);
454		}
455	13	$id = rtrim($out) ?: 'dry-run'; # side-effect: internal exploit of no output with true exit status
456
457	13	return array($id, 0);
458		}
459
460		/**
461		* @param Step $step
462		* @param Streams $streams
463		* @param Exec $exec
464		* @param string $name container name
465		* @return null\|int should never be null, status, non-zero if a command failed
466		*/
467		private function runStepScript(Step $step, Streams $streams, Exec $exec, $name)
468		{
469	11	$script = $step->getScript();
470
471	11	$buffer = Lib::cmd("<<'SCRIPT' docker", array(
472	11	'exec', '-i', $name, '/bin/sh'
473		));
474	11	$buffer .= "\n# this /bin/sh script is generated from a pipelines pipeline:\n";
475	11	$buffer .= "set -e\n";
476	11	foreach ($script as $line => $command) {
477	11	$line && $buffer .= 'printf \'\\n\'' . "\n";
478	11	$buffer .= 'printf \'\\035+ %s\\n\' ' . Lib::quoteArg($command) . "\n";
479	11	$buffer .= $command . "\n";
480		}
481	11	$buffer .= "SCRIPT\n";
482
483	11	$status = $exec->pass($buffer, array());
484
485	11	if (0 !== $status) {
486	2	$streams->err(sprintf("script non-zero exit status: %d\n", $status));
487		}
488
489	11	return $status;
490		}
491
492		/**
493		* @param int $status
494		* @param string $id container id
495		* @param Exec $exec
496		* @param string $name container name
497		* @throws \RuntimeException
498		*/
499		private function shutdownStepContainer($status, $id, Exec $exec, $name)
500		{
501	11	$flags = $this->flags;
502
503		# keep container on error
504	11	if (0 !== $status && $flags->keepOnError()) {
505	2	$this->streams->err(sprintf(
506	2	"error, keeping container id %s\n",
507	2	substr($id, 0, 12)
508		));
509
510	2	return;
511		}
512
513		# keep or remove container
514	9	if ($flags->killContainer()) {
515	8	$exec->capture('docker', array('kill', $name));
516		}
517
518	9	if ($flags->removeContainer()) {
519	8	$exec->capture('docker', array('rm', $name));
520		}
521
522	9	if ($flags->keep()) {
523	1	$this->streams->out(sprintf(
524	1	"keeping container id %s\n",
525	1	substr($id, 0, 12)
526		));
527		}
528	9	}
529
530		/**
531		* @param string $name
532		*/
533		private function zapContainerByName($name)
534		{
535	14	$ids = null;
536
537	14	$status = $this->exec->capture(
538	14	'docker',
539		array(
540	14	'ps', '-qa', '--filter',
541	14	"name=^/${name}$"
542		),
543	14	$result
544		);
545
546	14	$status \|\| $ids = Lib::lines($result);
547
548	14	if ($status \|\| !(is_array($ids) && 1 === count($ids))) {
549	13	return;
550		}
551
552	1	$this->exec->capture('docker', Lib::merge('kill', $ids));
553	1	$this->exec->capture('docker', Lib::merge('rm', $ids));
554	1	}
555		}
556

ktomk / pipelines

Push — test ( ccd17d...b5a64e )

StepRunner::runStepScript() A

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