-
Notifications
You must be signed in to change notification settings - Fork 0
/
build.js
210 lines (178 loc) · 5.95 KB
/
build.js
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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
const LatexOnline = require('./lib/LatexOnline');
const s3 = require('s3');
const { accessKeyId, secretAccessKey, region, Bucket } = require('./s3creds');
const octokit = require('@octokit/rest')()
const yaml = require('js-yaml');
const request = require('request');
const s3Client = s3.createClient({
s3Options: {
accessKeyId,
secretAccessKey,
region,
},
});
let latexOnline;
LatexOnline.create('/tmp/downloads/', '/tmp/storage/').then(
async function (initializedLatexOnline) {
latexOnline = initializedLatexOnline;
const config = await getConfig();
const outputs = await compileFromConfig(config)
const uploadTask = await uploadResult(outputs)
console.log('uploaded everthing, triggering site build')
const triggerSiteBuild = await request.post(process.env.SITE_BUILD_TRIGGER);
console.log('triggered site build')
}
)
async function getConfig() {
const nodes = await getNodesConfig();
const pathsMap = await getPathsMap(nodes);
return {
nodes,
pathsMap
}
}
async function getPathsMap(nodesConfig) {
return nodesConfig.reduce(async (resultPromise, {key, repo: nodeRepo }) => {
const result = await resultPromise;
const [ owner, repo ] = trimSlashes(nodeRepo).split('/');
const nodeContent = await getNodeContent(owner, repo);
return {
...result,
[key]: getAllPaths(nodeContent)
};
}, Promise.resolve({}));
}
function getAllPaths(nodes) {
return nodes.reduce((result, {path, sub}) => {
if (sub) {
return [...result, ...getAllPaths(sub)]
}
if (path) {
return [...result, path];
}
return result
}, []);
}
async function getNodesConfig() {
const result = await octokit.repos.getContents({
owner: 'otim-project',
repo: 'root',
path: 'nodes.yaml',
ref: 'master'
});
return parseYamlConfig(result.data.content);
}
async function getNodeContent(owner, repo) {
const result = await octokit.repos.getContents({
owner,
repo,
path: '.otim/content.yaml',
ref: 'master'
})
return parseYamlConfig(result.data.content);
}
function parseYamlConfig(rawFile) {
return yaml.load(Buffer.from(rawFile, 'base64').toString());
}
function uploadResult(keyToOutputPathsMap) {
return Promise.all(
Object.keys(keyToOutputPathsMap).reduce(
(result, nodeKey) => {
const pathsMap = keyToOutputPathsMap[nodeKey];
return [
...result,
...Object.keys(pathsMap).map(sourcePath => {
return new Promise((resolve, reject) => {
const Key = `${nodeKey}/${getRemotePath(sourcePath)}`;
const uploader = s3Client.uploadFile({
localFile: pathsMap[sourcePath],
s3Params: { Bucket, Key },
});
uploader.on('error', (err) => {
console.error(`unable to upload ${Key}`, err.stack);
reject(err);
});
uploader.on('progress', function() {
// future dev enhancement: add progress bar
});
uploader.on('end', () => {
console.log('uploaded', Key)
resolve(Key);
});
})
})
]
},
[]
)
);
}
function getRemotePath(sourcePath) {
return `${trimSlashes(strimExtension(sourcePath))}.pdf`;
}
function strimExtension(path) {
return path.split('.').slice(0, -1).join('.')
}
async function compileFromConfig({nodes, pathsMap}) {
const outputPathMaps = {};
await Promise.all(
nodes.map(
async ({key, repo}) => {
const paths = pathsMap[key];
if (!outputPathMaps[key]) {
outputPathMaps[key] = {};
}
if (!paths) {
console.error(`Bad or missing metadata for node ${key} : ${repo}`)
return;
}
return Promise.all(
paths.map(
async path => {
const outputPath = await compileGit(
`https://github.com/${trimSlashes(repo)}`,
trimSlashes(path),
);
outputPathMaps[key][path] = outputPath;
}
)
)
}
)
)
return outputPathMaps;
}
function trimSlashes(s) {
return s.replace(/^\/|\/$/g, '');
}
async function compileGit(gitRepo, targetFile, latexCommand='pdflatex', branch='master', workdir='') {
const preparation = await latexOnline.prepareGitCompilation(
gitRepo,
targetFile,
branch,
latexCommand,
workdir
);
if (preparation) {
return compilePreparation(preparation);
}
}
async function compilePreparation(preparation) {
const {request, downloader, userError} = preparation;
clearExistingCompilations(request.fingerprint);
const compilation = latexOnline.getOrCreateCompilation(request, downloader);
await compilation.run();
downloader.dispose();
if (compilation.userError) {
console.error(compilation.userError);
}
if (compilation.success) {
return compilation.outputPath();
}
}
function clearExistingCompilations(fingerprint) {
const existingCompilation = latexOnline.compilationWithFingerprint(fingerprint);
if (existingCompilation) {
latexOnline.removeCompilation(existingCompilation)
}
}