From aa4ef6745ad798bd7d4f05cb397ef1dd85279814 Mon Sep 17 00:00:00 2001 From: syuilo Date: Sat, 7 Jul 2018 19:19:00 +0900 Subject: Refactorng --- src/misc/dependencyInfo.ts | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/misc/dependencyInfo.ts (limited to 'src/misc/dependencyInfo.ts') diff --git a/src/misc/dependencyInfo.ts b/src/misc/dependencyInfo.ts new file mode 100644 index 0000000000..89af0d20fb --- /dev/null +++ b/src/misc/dependencyInfo.ts @@ -0,0 +1,33 @@ +import Logger from './logger'; +import { execSync } from 'child_process'; + +export default class { + private logger: Logger; + + constructor() { + this.logger = new Logger('Deps'); + } + + public 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('ImageMagick', 'magick -version', x => x.match(/^Version: ImageMagick (.+?)\r?\n/)); + } + + public show(serviceName: string, command: string, transform: (x: string) => RegExpMatchArray): void { + try { + // ステータス0以外のときにexecSyncはstderrをコンソール上に出力してしまうので + // プロセスからのstderrをすべて無視するように stdio オプションをセット + const x = execSync(command, { stdio: ['pipe', 'pipe', 'ignore'] }); + const ver = transform(x.toString()); + 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 ${serviceName} is probably messed up`); + } + } catch (e) { + this.logger.warn(`${serviceName} not found`); + } + } +} -- cgit v1.2.3-freya