httpRequest.js•1.32 kB
import { ProviderError } from "@smithy/property-provider";
import { Buffer } from "buffer";
import { request } from "http";
export function httpRequest(options) {
return new Promise((resolve, reject) => {
const req = request({
method: "GET",
...options,
hostname: options.hostname?.replace(/^\[(.+)\]$/, "$1"),
});
req.on("error", (err) => {
reject(Object.assign(new ProviderError("Unable to connect to instance metadata service"), err));
req.destroy();
});
req.on("timeout", () => {
reject(new ProviderError("TimeoutError from instance metadata service"));
req.destroy();
});
req.on("response", (res) => {
const { statusCode = 400 } = res;
if (statusCode < 200 || 300 <= statusCode) {
reject(Object.assign(new ProviderError("Error response received from instance metadata service"), { statusCode }));
req.destroy();
}
const chunks = [];
res.on("data", (chunk) => {
chunks.push(chunk);
});
res.on("end", () => {
resolve(Buffer.concat(chunks));
req.destroy();
});
});
req.end();
});
}