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startZooService.js
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startZooService.js
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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
const {ConfigUtil} = require('@hyperledger/caliper-core');
const childProcess = require('child_process');
const exec = childProcess.exec;
const chalk = require('chalk');
const cmdUtil = require('../../utils/cmdutils');
/**
* Start the zoo service
*/
class StartZooService {
/**
* Command process for run benchmark command
* @param {string} argv argument list from caliper command
*/
static async handler(argv) {
let cmd = 'docker-compose -f ';
if (ConfigUtil.get(ConfigUtil.keys.ZooConfig, undefined)){
cmd += argv.config + ' up';
} else {
cmdUtil.log(chalk.blue.bold('Using default configuration file'));
cmd += __dirname + '/zookeeper-service.yaml up';
}
cmdUtil.log(chalk.blue.bold('Starting zookeeper service ......'));
await StartZooService.execAsync(cmd);
cmdUtil.log(chalk.blue.bold('Start zookeeper service successful'));
}
/**
* Executes the given command asynchronously.
* @param {string} command The command to execute through a newly spawn shell.
* @return {Promise} The return promise is resolved upon the successful execution of the command, or rejected with an Error instance.
* @async
*/
static execAsync(command) {
return new Promise((resolve, reject) => {
cmdUtil.log(chalk.blue.bold(`Executing command: ${command}`));
let child = exec(command, (err, stdout, stderr) => {
if (err) {
cmdUtil.log(chalk.red.bold(`Unsuccessful command execution. Error code: ${err.code}. Terminating signal: ${err.signal}`));
return reject(err);
}
return resolve();
});
child.stdout.pipe(process.stdout);
child.stderr.pipe(process.stderr);
});
}
}
module.exports = StartZooService;