30 lines
		
	
	
		
			449 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			449 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| const fs = require('fs');
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| 
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| let isDocker;
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| 
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| function hasDockerEnv() {
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| 	try {
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| 		fs.statSync('/.dockerenv');
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| 		return true;
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| 	} catch (_) {
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| 		return false;
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| 	}
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| }
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| 
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| function hasDockerCGroup() {
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| 	try {
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| 		return fs.readFileSync('/proc/self/cgroup', 'utf8').includes('docker');
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| 	} catch (_) {
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| 		return false;
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| 	}
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| }
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| 
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| module.exports = () => {
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| 	if (isDocker === undefined) {
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| 		isDocker = hasDockerEnv() || hasDockerCGroup();
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| 	}
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| 
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| 	return isDocker;
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| };
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