Module::createFpmConfig() - Code Metrics - Inspection of "feat: make base image configurable" - SAM-IT/yii2-phpfpm - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c90021...83c566 )

by Sam

created 2021-06-18 10:46 UTC

Module::createFpmConfig() A

↳ Parent: Project

Complexity

Conditions	4
Paths	8

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	12
CRAP Score	4

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	22
ccs	12
cts	12
cp	1
rs	9.568
cc	4
nc	8
nop	0
crap	4

<?php
declare(strict_types=1);

namespace SamIT\Yii2\PhpFpm;

use SamIT\Docker\Context;
use yii\base\InvalidConfigException;
use yii\base\UnknownPropertyException;
use yii\helpers\ArrayHelper;
use yii\helpers\Console;

/**
 * Class Module
 * @package SamIT\Yii2\PhpFpm
 * @property-write string[] $additionalExtensions
 * @property-write string|int[] $additionalPoolConfig
 * @property-write string[] $additionalPhpConfig
 * @property-write string[] $additionalFpmConfig
 */
class Module extends \yii\base\Module
{
    /**
     * 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 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 name of the base image to use for the container. Should contain php-fpm
     */
    public string $baseImage = 'php:7.4-fpm-alpine';

    /**
     * @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.
     */
    private function createEntrypoint(string $entryScript): string
    {
        // Get the route.
        $result = [];
        $result[] = '#!/bin/sh';
        // Check for variables.
        foreach ($this->environmentVariables as $name) {
            $result[] = \strtr('if [ -z "${name}" -a ! -f "$SECRET_DIR/{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
grep 'tmpfs /runtime' /proc/mounts;
if [ $? -ne 0 ]; then
  echo $message;
fi
SH;
        $result[] = <<<SH
su nobody -s /bin/touch /runtime/env.json
(test -d \$SECRET_DIR && cd \$SECRET_DIR && find * -type f -exec jq -sR '{(input_filename):.}' {} \; ) | jq -s 'env+add' > /runtime/env.json
if [ $? -ne 0 ]; then
  echo "failed to store env in /runtime/env.json";
  exit 1
fi
SH;


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

    /**
     * @param Context $context The context to use
     * @param string $version This is stored in the VERSION environment variable.
     * @param string $sourcePath This is the path where app source is stored, it must be a top level dir, the project root is derived from it
     * @throws InvalidConfigException
     */
    public function createBuildContext(
        Context $context,
        string $version,
        string $sourcePath
    ): void {
        if (!is_dir($sourcePath)) {
            throw new \InvalidArgumentException("$sourcePath does not exist or is not a directory");
        }

        $entryScript = "/project/{$this->getConsoleEntryScript($sourcePath)}";

        /**
         * BEGIN COMPOSER
         */
        $context->command('FROM composer');
        $context->addFile('/build/composer.json', \Yii::getAlias($this->composerFilePath) .'/composer.json');

        if (\file_exists(\Yii::getAlias($this->composerFilePath) . '/composer.lock')) {
            $context->addFile('/build/composer.lock', \Yii::getAlias($this->composerFilePath) . '/composer.lock');
        }

        $context->run('cd /build && composer install --no-dev --no-autoloader --ignore-platform-reqs --prefer-dist');

        // Add the actual source code.
        $context->addFile('/build/' . \basename($sourcePath), $sourcePath);
        $context->run('cd /build && composer dumpautoload -o --no-dev');
        /**
         * END COMPOSER
         */

        $context->from($this->baseImage);
        $context->run('apk add --update --no-cache jq');
        $context->addUrl("/usr/local/bin/", "https://raw.githubusercontent.com/mlocati/docker-php-extension-installer/master/install-php-extensions");
        $context->run("chmod +x /usr/local/bin/install-php-extensions");
        $context->run('install-php-extensions ' . implode(' ', $this->extensions));
        $context->run('mkdir /runtime && chown nobody:nobody /runtime');
        $context->volume('/runtime');
        $context->copyFromLayer("/project", "0", "/build");

        $context->add('/entrypoint.sh', $this->createEntrypoint($entryScript));

        $context->run('chmod +x /entrypoint.sh');

        $context->add('/php-fpm.conf', $this->createFpmConfig());

        $context->run("php-fpm --force-stderr --fpm-config /php-fpm.conf -t");

        $context->entrypoint(["/entrypoint.sh"]);

        $context->env('VERSION', $version);
        // Test if we can run a console command.
        $context->run("[ -f $entryScript ]");
    }

    /**
     * @throws \InvalidArgumentException in case the app is not configured as expected
     * @param string $sourcePath the path to the soruce files
     * @return string the relative path of the (console) entry script with respect to the project (not app) root.
     */
    private function getConsoleEntryScript(string $sourcePath): string
    {
        $full = \array_slice(\debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), -1)[0]['file'];
        $projectRoot = dirname($sourcePath);
        if (strncmp($projectRoot, $full, strlen($projectRoot)) !== 0) {
            throw new \InvalidArgumentException("The console entry script must be located inside the project root; $full is not in $projectRoot");
        }
        return \ltrim(substr($full, strlen($projectRoot)), '/');
    }


    public function __set($name, $value): void
    {
        if (\strncmp($name, 'additional', 10) !== 0) {
            parent::__set($name, $value);
            return;
        }


        $this->add(\lcfirst(\substr($name, 10)), $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 SamIT\Docker\Context;
7		use yii\base\InvalidConfigException;
8		use yii\base\UnknownPropertyException;
9		use yii\helpers\ArrayHelper;
10		use yii\helpers\Console;
11
12		/**
13		* Class Module
14		* @package SamIT\Yii2\PhpFpm
15		* @property-write string[] $additionalExtensions
16		* @property-write string\|int[] $additionalPoolConfig
17		* @property-write string[] $additionalPhpConfig
18		* @property-write string[] $additionalFpmConfig
19		*/
20		class Module extends \yii\base\Module
21		{
22		/**
23		* The variables will be written to /runtime/env.json as JSON, where your application can read them.
24		* @var string[] List of required environment variables. If one is missing the container will exit.
25		*
26		*/
27		public $environmentVariables = [];
28
29		/**
30		* @var array Pool directives
31		* @see http://php.net/manual/en/install.fpm.configuration.php
32		*
33		*/
34		public $poolConfig = [
35		'user' => 'nobody',
36		'group' => 'nobody',
37		'listen' => 9000,
38		'pm' => 'dynamic',
39		'pm.max_children' => 40,
40		'pm.start_servers' => 3,
41		'pm.min_spare_servers' => 1,
42		'pm.max_spare_servers' => 3,
43		'access.log' => '/proc/self/fd/2',
44		'clear_env' => 'yes',
45		'catch_workers_output' => 'yes'
46		];
47
48		/**
49		* @var array PHP configuration, supplied via php_admin_value in fpm config.
50		*/
51		public $phpConfig = [
52		'upload_max_filesize' => '20M',
53		'post_max_size' => '25M'
54		];
55
56		/**
57		* @var array Global directives
58		* @see http://php.net/manual/en/install.fpm.configuration.php
59		*
60		*/
61		public $fpmConfig = [
62		'error_log' => '/proc/self/fd/2',
63		'daemonize' => 'no',
64		];
65
66		/**
67		* List of php extensions to install
68		*/
69		public $extensions = [
70		'ctype',
71		'gd',
72		'iconv',
73		'intl',
74		'json',
75		'mbstring',
76		'session',
77		'pdo_mysql',
78		'session',
79		'curl'
80		];
81
82		/**
83		* @var string The name of the created image.
84		*/
85		public $image;
86
87		/**
88		* @var string The name of the base image to use for the container. Should contain php-fpm
89		*/
90		public string $baseImage = 'php:7.4-fpm-alpine';
		0 ignored issues – show Bug introduced 2021-06-18 10:50 UTC by Report Bug Copy Issue Report This code did not parse for me. Apparently, there is an error somewhere around this line: Syntax error, unexpected T_STRING, expecting T_FUNCTION or T_CONST Loading history...
91		/**
92		* @var string The tag of the created image.
93		*/
94		public $tag = 'latest';
95
96		/**
97		* @var bool wheter to push successful builds.
98		*/
99		public $push = false;
100
101		/**
102		* @var string Location of composer.json / composer.lock
103		*/
104		public $composerFilePath = '@app/../';
105
106		/**
107		* @var string[] List of console commands that are executed upon container launch.
108		*/
109		public $initializationCommands = [];
110		/**
111		* @return string A PHP-FPM config file.
112		*/
113	4	protected function createFpmConfig()
114		{
115	4	$config = [];
116		// Add global directives.
117	4	$config[] = '[global]';
118	4	foreach ($this->fpmConfig as $key => $value) {
119	4	$config[] = "$key = $value";
120		}
121
122		// Add pool directives.
123	4	$poolConfig = $this->poolConfig;
124	4	foreach ($this->phpConfig as $key => $value) {
125	4	$poolConfig["php_admin_value[$key]"] = $value;
126		}
127
128	4	$config[] = '[www]';
129	4	foreach ($poolConfig as $key => $value) {
130	4	$config[] = "$key = $value";
131		}
132
133	4	return \implode("\n", $config);
134		}
135
136		/**
137		* @return string A shell script that checks for existence of (non-empty) variables and runs php-fpm.
138		*/
139	4	private function createEntrypoint(string $entryScript): string
140		{
141		// Get the route.
142	4	$result = [];
143	4	$result[] = '#!/bin/sh';
144		// Check for variables.
145	4	foreach ($this->environmentVariables as $name) {
146	1	$result[] = \strtr('if [ -z "${name}" -a ! -f "$SECRET_DIR/{name}" ]; then echo "Variable \${name} is required."; exit 1; fi', [
147	1	'{name}' => $name
148		]);
149		}
150
151		// Check if runtime directory is writable.
152	4	$result[] = <<<SH
153		su nobody -s /bin/touch /runtime/testfile && rm /runtime/testfile;
154		if [ $? -ne 0 ]; then
155		echo Runtime directory is not writable;
156		exit 1
157		fi
158		SH;
159
160
161
162		// Check if runtime is a tmpfs.
163	4	$message = Console::ansiFormat('/runtime should really be a tmpfs.', [Console::FG_RED]);
164	4	$result[] = <<<SH
165	4	grep 'tmpfs /runtime' /proc/mounts;
166		if [ $? -ne 0 ]; then
167	4	echo $message;
168		fi
169		SH;
170	4	$result[] = <<<SH
171		su nobody -s /bin/touch /runtime/env.json
172		(test -d \$SECRET_DIR && cd \$SECRET_DIR && find * -type f -exec jq -sR '{(input_filename):.}' {} \; ) \| jq -s 'env+add' > /runtime/env.json
173		if [ $? -ne 0 ]; then
174		echo "failed to store env in /runtime/env.json";
175		exit 1
176		fi
177		SH;
178
179
180	4	foreach ($this->initializationCommands as $route) {
181	1	$result[] = "$entryScript $route --interactive=0 \|\| exit";
182		}
183	4	$result[] = 'exec php-fpm --force-stderr --fpm-config /php-fpm.conf';
184	4	return \implode("\n", $result);
185		}
186
187		/**
188		* @param Context $context The context to use
189		* @param string $version This is stored in the VERSION environment variable.
190		* @param string $sourcePath This is the path where app source is stored, it must be a top level dir, the project root is derived from it
191		* @throws InvalidConfigException
192		*/
193	6	public function createBuildContext(
194		Context $context,
195		string $version,
196		string $sourcePath
197		): void {
198	6	if (!is_dir($sourcePath)) {
199	1	throw new \InvalidArgumentException("$sourcePath does not exist or is not a directory");
200		}
201
202	5	$entryScript = "/project/{$this->getConsoleEntryScript($sourcePath)}";
203
204		/**
205		* BEGIN COMPOSER
206		*/
207	4	$context->command('FROM composer');
208	4	$context->addFile('/build/composer.json', \Yii::getAlias($this->composerFilePath) .'/composer.json');
209
210	4	if (\file_exists(\Yii::getAlias($this->composerFilePath) . '/composer.lock')) {
211	4	$context->addFile('/build/composer.lock', \Yii::getAlias($this->composerFilePath) . '/composer.lock');
212		}
213
214	4	$context->run('cd /build && composer install --no-dev --no-autoloader --ignore-platform-reqs --prefer-dist');
215
216		// Add the actual source code.
217	4	$context->addFile('/build/' . \basename($sourcePath), $sourcePath);
218	4	$context->run('cd /build && composer dumpautoload -o --no-dev');
219		/**
220		* END COMPOSER
221		*/
222
223	4	$context->from($this->baseImage);
224	4	$context->run('apk add --update --no-cache jq');
225	4	$context->addUrl("/usr/local/bin/", "https://raw.githubusercontent.com/mlocati/docker-php-extension-installer/master/install-php-extensions");
226	4	$context->run("chmod +x /usr/local/bin/install-php-extensions");
227	4	$context->run('install-php-extensions ' . implode(' ', $this->extensions));
228	4	$context->run('mkdir /runtime && chown nobody:nobody /runtime');
229	4	$context->volume('/runtime');
230	4	$context->copyFromLayer("/project", "0", "/build");
231
232	4	$context->add('/entrypoint.sh', $this->createEntrypoint($entryScript));
233
234	4	$context->run('chmod +x /entrypoint.sh');
235
236	4	$context->add('/php-fpm.conf', $this->createFpmConfig());
237
238	4	$context->run("php-fpm --force-stderr --fpm-config /php-fpm.conf -t");
239
240	4	$context->entrypoint(["/entrypoint.sh"]);
241
242	4	$context->env('VERSION', $version);
243		// Test if we can run a console command.
244	4	$context->run("[ -f $entryScript ]");
245	4	}
246
247		/**
248		* @throws \InvalidArgumentException in case the app is not configured as expected
249		* @param string $sourcePath the path to the soruce files
250		* @return string the relative path of the (console) entry script with respect to the project (not app) root.
251		*/
252	5	private function getConsoleEntryScript(string $sourcePath): string
253		{
254	5	$full = \array_slice(\debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), -1)[0]['file'];
255	5	$projectRoot = dirname($sourcePath);
256	5	if (strncmp($projectRoot, $full, strlen($projectRoot)) !== 0) {
257	1	throw new \InvalidArgumentException("The console entry script must be located inside the project root; $full is not in $projectRoot");
258		}
259	4	return \ltrim(substr($full, strlen($projectRoot)), '/');
260		}
261
262
263	3	public function __set($name, $value): void
264		{
265	3	if (\strncmp($name, 'additional', 10) !== 0) {
266	1	parent::__set($name, $value);
267	1	return;
268		}
269
270
271	3	$this->add(\lcfirst(\substr($name, 10)), $value);
272	2	}
273
274	3	private function add($name, array $value): void
275		{
276	3	if (!\property_exists($this, $name)) {
277	1	throw new UnknownPropertyException("Unknown property $name");
278		}
279	2	$this->$name = ArrayHelper::merge($this->$name, $value);
280	2	}
281		}
282

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Module::createFpmConfig() A

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Code Coverage

Importance

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