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Push — master ( 2e6646...d21bed )
by Alec
02:36
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System::inContainer()   A

↳ Parent: System

Complexity

Conditions 4
Paths 2

Size

Total Lines 8
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 4.074

Importance

Changes 0
Metric Value
cc 4
eloc 5
nc 2
nop 0
dl 0
loc 8
ccs 5
cts 6
cp 0.8333
crap 4.074
rs 10
c 0
b 0
f 0
1 
<?php declare(strict_types=1);
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namespace AlecRabbit\Helpers\Classes;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Class System

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @internal

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class System

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected const CGROUP_FILE = '/proc/1/cgroup';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected const CGROUP_PATTERN = '(lxc|docker|kubepods)';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Determine if run in container

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return bool

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @link https://stackoverflow.com/a/20012536

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function inContainer(): bool

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (file_exists(self::CGROUP_FILE)

            


            
                                                                        
                            
            
                                    
            
            

                
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            && ($content = file_get_contents(self::CGROUP_FILE))

            


            
                                                                        
                            
            
                                    
            
            

                
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            && preg_match(self::CGROUP_PATTERN, $content)) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            return true;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return false;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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