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import Logger from './logger';
import { exec } from 'shelljs';
export default class {
logger: Logger;
constructor() {
this.logger = new Logger('Deps');
}
showAll(): void {
this.show('MongoDB', 'mongo --version', x => x.match(/^MongoDB shell version: (.*)\r?\n$/));
this.show('Redis', 'redis-server --version', x => x.match(/v=([0-9\.]*)/));
this.show('GraphicsMagick', 'gm -version', x => x.match(/^GraphicsMagick ([0-9\.]*) .*/));
}
show(serviceName: string, command: string, transform: (x: string) => RegExpMatchArray): void {
const code = {
success: 0,
notFound: 127
};
const x = exec(command, { silent: true }) as any;
if (x.code === code.success) {
let ver = transform(x.stdout);
if (ver != null) {
this.logger.info(`${serviceName} ${ver[1]} found`);
} else {
this.logger.warn(`${serviceName} not found`);
this.logger.warn(`Regexp used for version check of ${serviceName} is probably messed up`);
}
} else if (x.code === code.notFound) {
this.logger.warn(`${serviceName} not found`);
}
}
}
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