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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 AWS from 'aws-sdk';
import { logger } from './logger';
export class InstanceFetcher {
constructor(properties) {
const region = properties('region');
logger.info(`New instance fetcher for region ${region}`);
this.ec2 = new AWS.EC2({region: region});
this.tagKey = properties('tagKey');
this.tagValue = properties('tagValue');
}
async getInstances() {
const result = await this.ec2.describeInstances().promise();
return result.Reservations
.flatMap(r => r.Instances)
.filter(reservation => {
if (reservation.State.Name !== 'running') return false;
return reservation.Tags.some(t => t.Key === this.tagKey && t.Value === this.tagValue);
});
}
}
let awsConfigInit = false;
let awsConfig = {};
let awsProps = null;
async function loadAwsConfig(properties) {
let region = properties('region');
if (!region) return {};
const ssm = new AWS.SSM({region: region});
const path = '/compiler-explorer/';
try {
const response = await ssm.getParameters({Names: [path + 'sentryDsn']}).promise();
const map = {};
for (const param of response.Parameters) {
map[param.Name.substr(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) {
awsConfigInit = true;
awsProps = properties;
awsConfig = await loadAwsConfig(properties);
}
export function getConfig(name) {
if (!awsConfigInit)
throw new Error("Reading AWS config before it's loaded");
return awsConfig[name] || awsProps(name);
}
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