Module::add() - Code Metrics - Inspection of "Add the tag of the image to the VERSION environmen..." - SAM-IT/yii2-phpfpm - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9a387d...a8e4c8 )

by Sam

created 2018-10-09 08:45 UTC

Module::add() A

↳ Parent: Module

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	2.0625

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	7
ccs	3
cts	4
cp	0.75
rs	10
cc	2
nc	2
nop	2
crap	2.0625

<?php
declare(strict_types=1);

namespace SamIT\Yii2\PhpFpm;

use Docker\Context\Context;
use Docker\Context\ContextBuilder;
use yii\base\InvalidConfigException;
use yii\base\UnknownPropertyException;
use yii\helpers\ArrayHelper;
use yii\helpers\Console;
use yii\mutex\Mutex;

/**
 * Class Module
 * @package SamIT\Yii2\PhpFpm
 * @property-write string[] $additionalPackages
 * @property-write string[] $additionalExtensions
 * @property-write string|int[] $additionalPoolConfig
 * @property-write string[] $additionalPhpConfig
 * @property-write string[] $additionalFpmConfig
 */
class Module extends \yii\base\Module
{

    /**
     * @var bool Whether the container should attempt to run migrations on launch.
     */
    public $runMigrations = false;

    /**
     * @var bool whether migrations should acquire a lock.
     * It must be configured in the 'mutex' component of this module or the application
     * Note that this mutex must be shared between all instances of your application.
     * Consider using something like redis or mysql mutex.
     */
    public $migrationsUseMutex = true;

    /**
     * The variables will be written to /runtime/env.json as JSON, where your application can read them.
     * @var string[] List of required environment variables. If one is missing the container will exit.
     *
     */
    public $environmentVariables = [];

    /**
     * @var array Pool directives
     * @see http://php.net/manual/en/install.fpm.configuration.php
     *
     */
    public $poolConfig = [
        'user' => 'nobody',
        'group' => 'nobody',
        'listen' => 9000,
        'pm' => 'dynamic',
        'pm.max_children' => 40,
        'pm.start_servers' => 3,
        'pm.min_spare_servers' => 1,
        'pm.max_spare_servers' => 3,
        'access.log' => '/proc/self/fd/2',
        'clear_env' => 'yes',
        'catch_workers_output' => 'yes'
    ];

    /**
     * @var array PHP configuration, supplied via php_admin_value in fpm config.
     */
    public $phpConfig = [
        'upload_max_filesize' => '20M',
        'post_max_size' => '25M'
    ];

    /**
     * @var array Global directives
     * @see http://php.net/manual/en/install.fpm.configuration.php
     *
     */
    public $fpmConfig = [
        'error_log' => '/proc/self/fd/2',
        'daemonize' => 'no',
    ];

    /**
     * List of OS packages to install
     */
    public $packages = [
        'php7',
        'php7-fpm',
        'tini',
        'ca-certificates',
        /**
         * @see https://stedolan.github.io/jq/
         * This is used for converting the env to JSON.
         */
        'jq'
    ];

    /**
     * List of php extensions to install
     */
    public $extensions = [
        'ctype',
        'gd',
        'iconv',
        'intl',
        'json',
        'mbstring',
        'session',
        'pdo_mysql',
        'session',
        'curl'
    ];

    /**
     * @var string The name of the created image.
     */
    public $image;

    /**
     * @var string The tag of the created image.
     */
    public $tag = 'latest';

    /**
     * @var bool wheter to push successful builds.
     */
    public $push = false;

    /**
     * @var string Location of composer.json / composer.lock
     */
    public $composerFilePath = '@app/../';

    /**
     * @var string[] List of console commands that are executed upon container launch.
     */
    public $initializationCommands = [];
    /**
     * @return string A PHP-FPM config file.
     */
    protected function createFpmConfig()
    {
        $config = [];
        // Add global directives.
        $config[] = '[global]';
        foreach ($this->fpmConfig as $key => $value) {
            $config[] = "$key = $value";
        }

        // Add pool directives.
        $poolConfig = $this->poolConfig;
        foreach($this->phpConfig as $key => $value) {
            $poolConfig["php_admin_value[$key]"] = $value;
        }

        $config[] = '[www]';
        foreach ($poolConfig as $key => $value) {
            $config[] = "$key = $value";
        }

        return \implode("\n", $config);
    }

    /**
     * @return string A shell script that checks for existence of (non-empty) variables and runs php-fpm.
     */
    protected function createEntrypoint(): string
    {
        // Get the route.
        $route = "{$this->getUniqueId()}/migrate/up";
        $script = "/project/{$this->getConsoleEntryScript()}";
        $result = [];
        $result[] = '#!/bin/sh';
        // Check for variables.
        foreach($this->environmentVariables as $name) {
            $result[] = \strtr('if [ -z "${name}" ]; then echo "Variable \${name} is required."; exit 1; fi', [
                '{name}' => $name
            ]);
        }

        // Check if runtime directory is writable.
        $result[] = <<<SH
    su nobody -s /bin/touch /runtime/testfile && rm /runtime/testfile;
    if [ $? -ne 0 ]; then
      echo Runtime directory is not writable;
      exit 1
    fi
SH;



        // Check if runtime is a tmpfs.
        $message = Console::ansiFormat('/runtime should really be a tmpfs.', [Console::FG_RED]);
        $result[] = <<<SH
mount | grep '/runtime type tmpfs';
if [ $? -ne 0 ]; then
  echo $message; 
fi
SH;
        $result[] = 'jq -n env > /runtime/env.json';

        if ($this->runMigrations) {
            $result[] = <<<SH
ATTEMPTS=0
while [ \$ATTEMPTS -lt 10 ]; do
  # First run migrations.
  $script $route --interactive=0
  if [ $? -eq 0 ]; then
    echo "Migrations done";
    break;
  fi 
  echo "Failed to run migrations, retrying in 10s.";
  sleep 10;
  let ATTEMPTS=ATTEMPTS+1
done

if [ \$ATTEMPTS -gt 9 ]; then
  echo "Migrations failed.."
  exit 1;
fi
SH;
        }

        foreach($this->initializationCommands as $route) {
            $result[] = "$script $route --interactive=0 || exit";
        }
        $result[] = 'exec php-fpm7 --force-stderr --fpm-config /php-fpm.conf';
        return \implode("\n", $result);
    }

    /**
     * @param string $version This is stored in the VERSION environment variable.
     * @return Context
     * @throws InvalidConfigException
     */
    public function createBuildContext(string $version): Context
    {
        $builder = new ContextBuilder();

        /**
         * BEGIN COMPOSER
         */
        $builder->from('composer');
        $builder->addFile('/build/composer.json', \Yii::getAlias($this->composerFilePath) .'/composer.json');
        if (\file_exists(\Yii::getAlias($this->composerFilePath) . '/composer.lock')) {
            $builder->addFile('/build/composer.lock', \Yii::getAlias($this->composerFilePath) . '/composer.lock');
        }

        $builder->run('composer global require hirak/prestissimo');

        $builder->run('cd /build && composer install --no-dev --no-autoloader --ignore-platform-reqs --prefer-dist && rm -rf /root/.composer');


        // Add the actual source code.
        $root = \Yii::getAlias('@app');
        if (!\is_string($root)) {
            throw new \Exception('Alias @app must be defined.');
        }

        $builder->addFile('/build/' . \basename($root), $root);
        $builder->run('cd /build && composer dumpautoload -o');
        /**
         * END COMPOSER
         */


        $builder->from('alpine:edge');
        $packages = $this->packages;

        foreach ($this->extensions as $extension) {
            $packages[] = "php7-$extension";
        }
        $builder->run('apk add --update --no-cache ' . \implode(' ', $packages));
        $builder->run('mkdir /runtime && chown nobody:nobody /runtime');
        $builder->volume('/runtime');
        $builder->copy('--from=0 /build', '/project');
        $builder->add('/entrypoint.sh', $this->createEntrypoint());
        $builder->run('chmod +x /entrypoint.sh');
        $builder->add('/php-fpm.conf', $this->createFpmConfig());
        $builder->run("php-fpm7 --force-stderr --fpm-config /php-fpm.conf -t");
        $builder->entrypoint('["/sbin/tini", "--", "/entrypoint.sh"]');
        $builder->env('VERSION', $version);

        // Test if we can run a console command.
        if (\stripos($this->getConsoleEntryScript(), 'codecept') === false) {
            $script = "[ -f /project/{$this->getConsoleEntryScript()} ]";
            $builder->run($script);
        }
        return $builder->getContext();
    }

    public function getLock(int $timeout = 0)
    {
        if ($this->has('mutex')) {
            $mutex = $this->get('mutex');
            if ($mutex instanceof Mutex
                && $mutex->acquire(__CLASS__, $timeout)
            ) {
                \register_shutdown_function(function() use ($mutex): void {
                    $mutex->release(__CLASS__);
                });
                return true;
            }
        }
        return false;
    }

    /**
     * @throws InvalidConfigException in case the app is not configured as expected
     * @return string the relative path of the (console) entry script with respect to the project (not app) root.
     */
    public function getConsoleEntryScript(): string
    {
        $full = \array_slice(\debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), -1)[0]['file'];
        $relative = \strtr($full, [\dirname(\Yii::getAlias('@app')) => '']);
        if ($relative === $full){
            throw new InvalidConfigException("The console entry script must be located inside the @app directory.");
        }
        return \ltrim($relative, '/');
    }


    public function __set($name, $value): void
    {
        if (\strncmp($name, 'additional', 10) === 0) {
            $this->add(\lcfirst(\substr($name, 10)), $value);
        } else {
            parent::__set($name, $value);
        }
    }

    private function add($name, array $value): void
    {
        if (!\property_exists($this, $name)) {
            throw new UnknownPropertyException("Unknown property $name");
        }
        $this->$name = ArrayHelper::merge($this->$name, $value);
    }
}


1		<?php
2		declare(strict_types=1);
3
4		namespace SamIT\Yii2\PhpFpm;
5
6		use Docker\Context\Context;
7		use Docker\Context\ContextBuilder;
8		use yii\base\InvalidConfigException;
9		use yii\base\UnknownPropertyException;
10		use yii\helpers\ArrayHelper;
11		use yii\helpers\Console;
12		use yii\mutex\Mutex;
13
14		/**
15		* Class Module
16		* @package SamIT\Yii2\PhpFpm
17		* @property-write string[] $additionalPackages
18		* @property-write string[] $additionalExtensions
19		* @property-write string\|int[] $additionalPoolConfig
20		* @property-write string[] $additionalPhpConfig
21		* @property-write string[] $additionalFpmConfig
22		*/
23		class Module extends \yii\base\Module
24		{
25
26		/**
27		* @var bool Whether the container should attempt to run migrations on launch.
28		*/
29		public $runMigrations = false;
30
31		/**
32		* @var bool whether migrations should acquire a lock.
33		* It must be configured in the 'mutex' component of this module or the application
34		* Note that this mutex must be shared between all instances of your application.
35		* Consider using something like redis or mysql mutex.
36		*/
37		public $migrationsUseMutex = true;
38
39		/**
40		* The variables will be written to /runtime/env.json as JSON, where your application can read them.
41		* @var string[] List of required environment variables. If one is missing the container will exit.
42		*
43		*/
44		public $environmentVariables = [];
45
46		/**
47		* @var array Pool directives
48		* @see http://php.net/manual/en/install.fpm.configuration.php
49		*
50		*/
51		public $poolConfig = [
52		'user' => 'nobody',
53		'group' => 'nobody',
54		'listen' => 9000,
55		'pm' => 'dynamic',
56		'pm.max_children' => 40,
57		'pm.start_servers' => 3,
58		'pm.min_spare_servers' => 1,
59		'pm.max_spare_servers' => 3,
60		'access.log' => '/proc/self/fd/2',
61		'clear_env' => 'yes',
62		'catch_workers_output' => 'yes'
63		];
64
65		/**
66		* @var array PHP configuration, supplied via php_admin_value in fpm config.
67		*/
68		public $phpConfig = [
69		'upload_max_filesize' => '20M',
70		'post_max_size' => '25M'
71		];
72
73		/**
74		* @var array Global directives
75		* @see http://php.net/manual/en/install.fpm.configuration.php
76		*
77		*/
78		public $fpmConfig = [
79		'error_log' => '/proc/self/fd/2',
80		'daemonize' => 'no',
81		];
82
83		/**
84		* List of OS packages to install
85		*/
86		public $packages = [
87		'php7',
88		'php7-fpm',
89		'tini',
90		'ca-certificates',
91		/**
92		* @see https://stedolan.github.io/jq/
93		* This is used for converting the env to JSON.
94		*/
95		'jq'
96		];
97
98		/**
99		* List of php extensions to install
100		*/
101		public $extensions = [
102		'ctype',
103		'gd',
104		'iconv',
105		'intl',
106		'json',
107		'mbstring',
108		'session',
109		'pdo_mysql',
110		'session',
111		'curl'
112		];
113
114		/**
115		* @var string The name of the created image.
116		*/
117		public $image;
118
119		/**
120		* @var string The tag of the created image.
121		*/
122		public $tag = 'latest';
123
124		/**
125		* @var bool wheter to push successful builds.
126		*/
127		public $push = false;
128
129		/**
130		* @var string Location of composer.json / composer.lock
131		*/
132		public $composerFilePath = '@app/../';
133
134		/**
135		* @var string[] List of console commands that are executed upon container launch.
136		*/
137		public $initializationCommands = [];
138		/**
139		* @return string A PHP-FPM config file.
140		*/
141	3	protected function createFpmConfig()
142		{
143	3	$config = [];
144		// Add global directives.
145	3	$config[] = '[global]';
146	3	foreach ($this->fpmConfig as $key => $value) {
147	3	$config[] = "$key = $value";
148		}
149
150		// Add pool directives.
151	3	$poolConfig = $this->poolConfig;
152	3	foreach($this->phpConfig as $key => $value) {
153	3	$poolConfig["php_admin_value[$key]"] = $value;
154		}
155
156	3	$config[] = '[www]';
157	3	foreach ($poolConfig as $key => $value) {
158	3	$config[] = "$key = $value";
159		}
160
161	3	return \implode("\n", $config);
162		}
163
164		/**
165		* @return string A shell script that checks for existence of (non-empty) variables and runs php-fpm.
166		*/
167	3	protected function createEntrypoint(): string
168		{
169		// Get the route.
170	3	$route = "{$this->getUniqueId()}/migrate/up";
171	3	$script = "/project/{$this->getConsoleEntryScript()}";
172	3	$result = [];
173	3	$result[] = '#!/bin/sh';
174		// Check for variables.
175	3	foreach($this->environmentVariables as $name) {
176		$result[] = \strtr('if [ -z "${name}" ]; then echo "Variable \${name} is required."; exit 1; fi', [
177		'{name}' => $name
178		]);
179		}
180
181		// Check if runtime directory is writable.
182	3	$result[] = <<<SH
183		su nobody -s /bin/touch /runtime/testfile && rm /runtime/testfile;
184		if [ $? -ne 0 ]; then
185		echo Runtime directory is not writable;
186		exit 1
187		fi
188		SH;
189
190
191
192		// Check if runtime is a tmpfs.
193	3	$message = Console::ansiFormat('/runtime should really be a tmpfs.', [Console::FG_RED]);
194	3	$result[] = <<<SH
195		mount \| grep '/runtime type tmpfs';
196		if [ $? -ne 0 ]; then
197	3	echo $message;
198		fi
199		SH;
200	3	$result[] = 'jq -n env > /runtime/env.json';
201
202	3	if ($this->runMigrations) {
203		$result[] = <<<SH
204		ATTEMPTS=0
205		while [ \$ATTEMPTS -lt 10 ]; do
206		# First run migrations.
207		$script $route --interactive=0
208		if [ $? -eq 0 ]; then
209		echo "Migrations done";
210		break;
211		fi
212		echo "Failed to run migrations, retrying in 10s.";
213		sleep 10;
214		let ATTEMPTS=ATTEMPTS+1
215		done
216
217		if [ \$ATTEMPTS -gt 9 ]; then
218		echo "Migrations failed.."
219		exit 1;
220		fi
221		SH;
222		}
223
224	3	foreach($this->initializationCommands as $route) {
225		$result[] = "$script $route --interactive=0 \|\| exit";
226		}
227	3	$result[] = 'exec php-fpm7 --force-stderr --fpm-config /php-fpm.conf';
228	3	return \implode("\n", $result);
229		}
230
231		/**
232		* @param string $version This is stored in the VERSION environment variable.
233		* @return Context
234		* @throws InvalidConfigException
235		*/
236	3	public function createBuildContext(string $version): Context
237		{
238	3	$builder = new ContextBuilder();
239
240		/**
241		* BEGIN COMPOSER
242		*/
243	3	$builder->from('composer');
244	3	$builder->addFile('/build/composer.json', \Yii::getAlias($this->composerFilePath) .'/composer.json');
245	3	if (\file_exists(\Yii::getAlias($this->composerFilePath) . '/composer.lock')) {
246	3	$builder->addFile('/build/composer.lock', \Yii::getAlias($this->composerFilePath) . '/composer.lock');
247		}
248
249	3	$builder->run('composer global require hirak/prestissimo');
250
251	3	$builder->run('cd /build && composer install --no-dev --no-autoloader --ignore-platform-reqs --prefer-dist && rm -rf /root/.composer');
252
253
254		// Add the actual source code.
255	3	$root = \Yii::getAlias('@app');
256	3	if (!\is_string($root)) {
257		throw new \Exception('Alias @app must be defined.');
258		}
259
260	3	$builder->addFile('/build/' . \basename($root), $root);
261	3	$builder->run('cd /build && composer dumpautoload -o');
262		/**
263		* END COMPOSER
264		*/
265
266
267	3	$builder->from('alpine:edge');
268	3	$packages = $this->packages;
269
270	3	foreach ($this->extensions as $extension) {
271		$packages[] = "php7-$extension";
272		}
273	3	$builder->run('apk add --update --no-cache ' . \implode(' ', $packages));
274	3	$builder->run('mkdir /runtime && chown nobody:nobody /runtime');
275	3	$builder->volume('/runtime');
276	3	$builder->copy('--from=0 /build', '/project');
277	3	$builder->add('/entrypoint.sh', $this->createEntrypoint());
278	3	$builder->run('chmod +x /entrypoint.sh');
279	3	$builder->add('/php-fpm.conf', $this->createFpmConfig());
280	3	$builder->run("php-fpm7 --force-stderr --fpm-config /php-fpm.conf -t");
281	3	$builder->entrypoint('["/sbin/tini", "--", "/entrypoint.sh"]');
282	3	$builder->env('VERSION', $version);
283
284		// Test if we can run a console command.
285	3	if (\stripos($this->getConsoleEntryScript(), 'codecept') === false) {
286		$script = "[ -f /project/{$this->getConsoleEntryScript()} ]";
287		$builder->run($script);
288		}
289	3	return $builder->getContext();
290		}
291
292	3	public function getLock(int $timeout = 0)
293		{
294	3	if ($this->has('mutex')) {
295	1	$mutex = $this->get('mutex');
296	1	if ($mutex instanceof Mutex
297	1	&& $mutex->acquire(__CLASS__, $timeout)
298		) {
299		\register_shutdown_function(function() use ($mutex): void {
300		$mutex->release(__CLASS__);
301	1	});
302	1	return true;
303		}
304		}
305	3	return false;
306		}
307
308		/**
309		* @throws InvalidConfigException in case the app is not configured as expected
310		* @return string the relative path of the (console) entry script with respect to the project (not app) root.
311		*/
312	3	public function getConsoleEntryScript(): string
313		{
314	3	$full = \array_slice(\debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), -1)[0]['file'];
315	3	$relative = \strtr($full, [\dirname(\Yii::getAlias('@app')) => '']);
316	3	if ($relative === $full){
317		throw new InvalidConfigException("The console entry script must be located inside the @app directory.");
318		}
319	3	return \ltrim($relative, '/');
320		}
321
322
323	1	public function __set($name, $value): void
324		{
325	1	if (\strncmp($name, 'additional', 10) === 0) {
326	1	$this->add(\lcfirst(\substr($name, 10)), $value);
327		} else {
328		parent::__set($name, $value);
329		}
330		}
331
332	1	private function add($name, array $value): void
333		{
334	1	if (!\property_exists($this, $name)) {
335		throw new UnknownPropertyException("Unknown property $name");
336		}
337	1	$this->$name = ArrayHelper::merge($this->$name, $value);
338		}
339		}
340

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Module::add() A

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