docker-node/stackbrew.js at main · nodejs/docker-node · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
#!/usr/bin/env node

const fs = require('fs');
const path = require('path');

// Grab last git commit
function getCommitHasForPath(path) {
  return require('child_process')
    .execSync(`git log -1 --format=%H HEAD -- ${path}`)
    .toString()
    .trim();
}

const stackbrewPath = path.basename(__filename);

// Header
let stackbrew = `# this file is generated via https://github.com/nodejs/docker-node/blob/${getCommitHasForPath(stackbrewPath)}/${stackbrewPath}

Maintainers: The Node.js Docker Team <https://github.com/nodejs/docker-node> (@nodejs)
GitRepo: https://github.com/nodejs/docker-node.git
GitFetch: refs/heads/main\n`;

// Loop versions

const config = require('./versions.json');

const versions = Object.keys(config).reverse();

let midnight = new Date();
midnight.setHours(0, 0, 0, 0);
const now = midnight.getTime();
const alpineRE = new RegExp(/alpine*/);
const slimRE = new RegExp(/\*-slim/);
let foundLTS = false;
let foundCurrent = false;

for (const version of versions) {
  let lts = new Date(`${config[version].lts}T00:00:00.00`).getTime();
  let isCurrent = foundCurrent ? false : isNaN(lts) || lts >= now;
  foundCurrent = isCurrent || foundCurrent;
  let isLTS = foundLTS ? false : now >= lts;
  foundLTS = isLTS || foundLTS;
  let codename = config[version].codename;
  let defaultAlpine = config[version]['alpine-default'];
  let defaultDebian = config[version]['debian-default'];
  let variants = config[version].variants;
  for (const variant in variants) {
    let dockerfilePath = path.join(version, variant, 'Dockerfile');
    let isAlpine = alpineRE.test(variant);
    let isSlim = slimRE.test(variant);
    let isDefaultSlim = new RegExp(`${defaultDebian}-slim`).test(variant);

    // Get full version from the Dockerfile
    let dockerfile = fs.readFileSync(dockerfilePath, 'utf-8');
    let fullVersion = dockerfile.match(
      /ENV NODE_VERSION=(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+)/,
    );

    let tags = [
      `${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-${variant}`,
      `${fullVersion.groups.major}.${fullVersion.groups.minor}-${variant}`,
      `${fullVersion.groups.major}-${variant}`,
    ];

    if (codename) {
      tags.push(`${codename}-${variant}`);
    }

    if (variant === defaultAlpine) {
      tags.push(
        `${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-alpine`,
      );
      tags.push(
        `${fullVersion.groups.major}.${fullVersion.groups.minor}-alpine`,
      );
      tags.push(`${fullVersion.groups.major}-alpine`);
      if (codename) {
        tags.push(`${codename}-alpine`);
      }
    }

    if (variant === defaultDebian) {
      tags.push(
        `${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}`,
      );
      tags.push(`${fullVersion.groups.major}.${fullVersion.groups.minor}`);
      tags.push(`${fullVersion.groups.major}`);
      if (isSlim) {
        tags.push(
          `${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-slim`,
        );
        tags.push(
          `${fullVersion.groups.major}.${fullVersion.groups.minor}-slim`,
        );
        tags.push(`${fullVersion.groups.major}-slim`);
      }
      if (codename) {
        tags.push(`${codename}`);
      }
    }
    if (isDefaultSlim) {
      tags.push(
        `${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-slim`,
      );
      tags.push(`${fullVersion.groups.major}.${fullVersion.groups.minor}-slim`);
      tags.push(`${fullVersion.groups.major}-slim`);
      if (codename) {
        tags.push(`${codename}-slim`);
      }
    }

    if (isCurrent) {
      if (variant === defaultAlpine) {
        tags.push(variant);
        tags.push(
          `${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-alpine`,
        );
        tags.push(
          `${fullVersion.groups.major}.${fullVersion.groups.minor}-alpine`,
        );
        tags.push(`${fullVersion.groups.major}-alpine`);
        tags.push('alpine');
        tags.push('current-alpine');
      }
      if (variant === defaultDebian) {
        tags.push(variant);
        tags.push('latest');
        tags.push('current');
      }
      if (isAlpine) {
        tags.push(`${variant}`);
        tags.push(`current-${variant}`);
      }
      if (!isAlpine) {
        tags.push(`${variant}`);
        tags.push(`current-${variant}`);
      }
      if (isDefaultSlim) {
        tags.push('slim');
        tags.push('current-slim');
      }
    }

    if (isLTS) {
      tags.push(`lts-${variant}`);
      if (variant === defaultDebian) {
        tags.push('lts');
        if (codename) {
          tags.push(`lts-${codename}`);
        }
      }
      if (isDefaultSlim) {
        tags.push(`lts-slim`);
      }
      if (variant === defaultAlpine) {
        tags.push(`lts-alpine`);
      }
    }

    // remove duplicates
    tags = tags.filter((x, i, a) => a.indexOf(x) == i);
    tags = tags.sort();
    let directory = `${version}/${variant}`;
    stackbrew += `\nTags: ${tags.join(', ')}\n`;
    stackbrew += `Architectures: ${config[version].variants[variant].join(', ')}\n`;
    stackbrew += `GitCommit: ${getCommitHasForPath(directory)}\n`;
    stackbrew += `Directory: ${directory}\n`;
  }
}

// output
console.log(stackbrew);