Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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100644
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File size:
449 bytes
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1 | 'use strict';
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2 | const fs = require('fs');
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3 |
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4 | let isDocker;
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5 |
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6 | function hasDockerEnv() {
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7 | try {
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8 | fs.statSync('/.dockerenv');
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9 | return true;
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10 | } catch (_) {
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11 | return false;
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12 | }
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13 | }
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14 |
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15 | function hasDockerCGroup() {
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16 | try {
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17 | return fs.readFileSync('/proc/self/cgroup', 'utf8').includes('docker');
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18 | } catch (_) {
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19 | return false;
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20 | }
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21 | }
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22 |
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23 | module.exports = () => {
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24 | if (isDocker === undefined) {
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25 | isDocker = hasDockerEnv() || hasDockerCGroup();
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26 | }
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27 |
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28 | return isDocker;
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29 | };
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