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// Copyright (c) 2016, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
import {EC2, Instance} from '@aws-sdk/client-ec2';
import {SSM} from '@aws-sdk/client-ssm';
import {unwrap} from './assert.js';
import {logger} from './logger.js';
import type {PropertyGetter} from './properties.interfaces.js';
export class InstanceFetcher {
ec2: EC2;
tagKey: string;
tagValue: string;
constructor(properties: PropertyGetter) {
const region = properties<string>('region');
logger.info(`New instance fetcher for region ${region}`);
this.ec2 = new EC2({region: region});
this.tagKey = properties<string>('tagKey');
this.tagValue = properties<string>('tagValue');
}
async getInstances() {
const result = await this.ec2.describeInstances({});
return unwrap(result.Reservations)
.flatMap(r => r.Instances)
.filter(reservation => {
if (unwrap(unwrap(reservation).State).Name !== 'running') return false;
return unwrap(unwrap(reservation).Tags).some(t => t.Key === this.tagKey && t.Value === this.tagValue);
}) as Instance[];
}
}
let awsConfigInit = false;
let awsConfig: Record<string, string | undefined> = {};
let awsProps: PropertyGetter | null = null;
async function loadAwsConfig(properties: PropertyGetter) {
const region = properties<string>('region');
if (!region) return {};
const ssm = new SSM({region: region});
const path = '/compiler-explorer/';
try {
const response = await ssm.getParameters({Names: [path + 'sentryDsn']});
const map: Record<string, string | undefined> = {};
for (const param of unwrap(response.Parameters)) {
map[unwrap(param.Name).substring(path.length)] = param.Value;
}
logger.info('AWS info:', map);
return map;
} catch (err) {
logger.error(`Failed to get AWS info: ${err}`);
return {};
}
}
export async function initConfig(properties: PropertyGetter) {
awsConfigInit = true;
awsProps = properties;
awsConfig = await loadAwsConfig(properties);
}
export function getConfig(name): string {
if (!awsConfigInit) throw new Error("Reading AWS config before it's loaded");
return awsConfig[name] || unwrap(awsProps)<string>(name);
}
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