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Option to disable puppeteer in unfurler

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This commit is contained in:
Mononaut 2022-08-29 23:24:22 +00:00
parent 698db1efcb
commit 3f79d7658b
3 changed files with 20 additions and 7 deletions
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1
unfurler/config.sample.json
View File

@ -9,6 +9,7 @@
"NETWORK": "bitcoin" // "bitcoin" | "liquid" | "bisq" (optional - defaults to "bitcoin") "NETWORK": "bitcoin" // "bitcoin" | "liquid" | "bisq" (optional - defaults to "bitcoin")
}, },
"PUPPETEER": { "PUPPETEER": {
"DISABLE": false, // optional, boolean, disables puppeteer and /render endpoints
"CLUSTER_SIZE": 2, "CLUSTER_SIZE": 2,
"EXEC_PATH": "/usr/local/bin/chrome", // optional "EXEC_PATH": "/usr/local/bin/chrome", // optional
"MAX_PAGE_AGE": 86400, // maximum lifetime of a page session (in seconds) "MAX_PAGE_AGE": 86400, // maximum lifetime of a page session (in seconds)

2
unfurler/src/config.ts
View File

@ -11,6 +11,7 @@ interface IConfig {
NETWORK?: string; NETWORK?: string;
}; };
PUPPETEER: { PUPPETEER: {
DISABLE: boolean;
CLUSTER_SIZE: number; CLUSTER_SIZE: number;
EXEC_PATH?: string; EXEC_PATH?: string;
MAX_PAGE_AGE?: number; MAX_PAGE_AGE?: number;
@ -28,6 +29,7 @@ const defaults: IConfig = {
'HTTP_PORT': 4200, 'HTTP_PORT': 4200,
}, },
'PUPPETEER': { 'PUPPETEER': {
'DISABLE': false,
'CLUSTER_SIZE': 1, 'CLUSTER_SIZE': 1,
}, },
}; };

24
unfurler/src/index.ts
View File

@ -37,12 +37,14 @@ class Server {
.use(express.text()) .use(express.text())
; ;
this.cluster = await Cluster.launch({ if (!config.PUPPETEER.DISABLE) {
concurrency: ReusablePage, this.cluster = await Cluster.launch({
maxConcurrency: config.PUPPETEER.CLUSTER_SIZE, concurrency: ReusablePage,
puppeteerOptions: puppeteerConfig, maxConcurrency: config.PUPPETEER.CLUSTER_SIZE,
}); puppeteerOptions: puppeteerConfig,
await this.cluster?.task(async (args) => { return this.clusterTask(args) }); });
await this.cluster?.task(async (args) => { return this.clusterTask(args) });
}
this.setUpRoutes(); this.setUpRoutes();
@ -64,7 +66,11 @@ class Server {
} }
setUpRoutes() { setUpRoutes() {
this.app.get('/render*', async (req, res) => { return this.renderPreview(req, res) }) if (!config.PUPPETEER.DISABLE) {
this.app.get('/render*', async (req, res) => { return this.renderPreview(req, res) })
} else {
this.app.get('/render*', async (req, res) => { return this.renderDisabled(req, res) })
}
this.app.get('*', (req, res) => { return this.renderHTML(req, res) }) this.app.get('*', (req, res) => { return this.renderHTML(req, res) })
} }
@ -111,6 +117,10 @@ class Server {
} }
} }
async renderDisabled(req, res) {
res.status(500).send("preview rendering disabled");
}
async renderPreview(req, res) { async renderPreview(req, res) {
try { try {
const path = req.params[0] const path = req.params[0]