Reimplement railguards for temporary API service unavailable errors.

This commit is contained in:
Zixaphir
2023-06-12 11:59:25 -07:00
parent 524cc881d4
commit 3a33b7cd3e

View File

@@ -385,35 +385,49 @@ app.post("/generate", jsonParser, async function (request, response_generate = r
signal: controller.signal,
};
try {
const fetch = require('node-fetch').default;
const url = request.body.streaming ? `${api_server}/extra/generate/stream` : `${api_server}/v1/generate`;
const response = await fetch(url, { method: 'POST', timeout: 0, ...args });
const MAX_RETRIES = 10;
const delayAmount = 3000;
if (request.body.streaming) {
// Pipe remote SSE stream to Express response
response.body.pipe(response_generate);
let fetch, url, response;
for (let i = 0; i < MAX_RETRIES; i++) {
try {
fetch = require('node-fetch').default;
url = request.body.streaming ? `${api_server}/extra/generate/stream` : `${api_server}/v1/generate`;
response = await fetch(url, { method: 'POST', timeout: 0, ...args });
request.socket.on('close', function () {
response.body.destroy(); // Close the remote stream
response_generate.end(); // End the Express response
});
if (request.body.streaming) {
response.body.on('end', function () {
console.log("Streaming request finished");
response_generate.end();
});
} else {
if (!response.ok) {
console.log(`Kobold returned error: ${response.status} ${response.statusText} ${await response.text()}`);
return response.status(response.status).send({ error: true });
}
request.socket.on('close', function () {
response.body.destroy(); // Close the remote stream
response_generate.end(); // End the Express response
});
const data = await response.json();
return response_generate.send(data);
}
} catch (error) {
return response_generate.send({ error: true });
response.body.on('end', function () {
console.log("Streaming request finished");
response_generate.end();
});
// Pipe remote SSE stream to Express response
return response.body.pipe(response_generate);
} else {
if (!response.ok) {
console.log(`Kobold returned error: ${response.status} ${response.statusText} ${await response.text()}`);
return response.status(response.status).send({ error: true });
}
const data = await response.json();
return response_generate.send(data);
}
} catch (error) {
// response
switch (error.statusCode) {
case 503: // retry in case of temporary service issue, possibly caused by a queue failure?
await delay(delayAmount);
break;
default:
return response_generate.send({ error: true });
}
}
}
});
@@ -590,7 +604,7 @@ app.post("/getstatus", jsonParser, async function (request, response_getstatus =
version = '0.0.0';
}
try {
koboldVersion = await getAsync(api_server + "/extra/version");
koboldVersion = (await getAsync(api_server + "/extra/version"));
}
catch {
koboldVersion = {