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backup.plugin.ts
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backup.plugin.ts
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import { BasePlugin, utils } from 'lisk-sdk';
import {S3Adapter, S3AdapterParams} from "./adapters/s3.adapter";
import {join} from "path";
import {getDefaultPath} from "./utils";
import * as tar from 'tar';
import {AvailableAdapters, BackupPluginOptions, Adapter} from './types';
import {ReadStream} from 'fs';
import * as debounce from 'debounce';
export class BackupPlugin extends BasePlugin {
static get alias() {
return 'backup';
};
static get info(){
return {
author: 'Jonathan MASSUCHETTI',
version: '1.0.1',
name: 'lisk-plugin-backup',
};
};
options: BackupPluginOptions<any>;
get defaults() {
return {
type: 'object',
properties: {
forgerInfo: {
type: 'object',
properties: {
enable: {
type: 'boolean',
},
adapter: {
enum: AvailableAdapters,
},
adapterParams: {
type: 'object',
},
}
},
},
default: {
forgerInfo: {
enable: false,
}
}
}
};
get events() {
return [];
}
get actions() {
return {};
}
async load(channel) {
const options = utils.objects.mergeDeep({}, this.defaults.default, this.options) as BackupPluginOptions<any>;
if (options.forgerInfo.enable) {
let forgerInfoAdapter: Adapter;
switch (options.forgerInfo.adapter) {
case 's3': forgerInfoAdapter = new S3Adapter(options.forgerInfo.adapterParams as S3AdapterParams);
}
channel.subscribe('forger:block:created', debounce(async () => {
const rs: ReadStream = tar.create({
gzip: true,
cwd: join(getDefaultPath(), 'data'),
}, ['forger.db']);
await forgerInfoAdapter.backup(rs);
console.info("forger-info backup");
}, 500));
}
};
unload(): Promise<void> {
return Promise.resolve(undefined);
}
}