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exec.js
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const { exec } = require('child_process')
const conf = require('./config.js')
const cbisConf = conf.get('cbis')
function stopProcess () {
return new Promise((resolve, reject) => {
try {
exec('pm2 list', (err, stdout, stderr) => {
if (stdout) {
let strout = stdout.replace(/[^\x00-\x7F]/g, "");
strout = JSON.stringify(strout)
let strObj = strout.split("\\n\\n")
strObj = strObj[1].split("\\n")
let result = strObj.some(function (i) {
var trimmedLine = i.replace(/\s+/g, " ").trim()
var logObj = trimmedLine.split(" ")
let name = logObj[0]
if (name === cbisConf.pm2Name) {
exec('pm2 stop ' + logObj[0], (err, stdout, stderr) => {
if (err) {
let errmsg = `Error on stopping process: ${logObj[3]} \n ${err}!`
console.error(errmsg)
reject(errmsg)
} else if (stderr) {
let stderrmsg = `Error on stopping process ${logObj[3]} \n ${stderr}!`
console.error(stderrmsg)
reject(stderrmsg)
} else {
let response = {
message: `Successfully stopping process ${logObj[3]}.`
}
console.log(response.message)
resolve(response)
}
})
return true
} else {
let msg = `Process ${cbisConf.pm2Name} not found.`
console.error(msg)
reject(msg)
return false
}
})
} else {
if (err) {
let msg = `Critical error found: ${err}!`
console.error(msg)
reject(msg)
} else {
let msg = `Critical error found: ${stderr}!`
console.error(stderr)
reject(stderr)
}
}
})
} catch (error) {
let msg = `Critical error found: ${error}!`
console.error(msg)
reject(msg)
}
})
}
function startProcess() {
return new Promise((resolve, reject) => {
try {
exec('pm2 start index.js --name "cbis-app" -- all', {cwd: '/home/cbis/cbis'}, (err, stdout, stderr) => {
console.log(stdout)
console.log(stderr)
console.log(err)
if (stdout) {
let response = {
message: "Successfully started cbis-app"
}
console.log(response.message)
resolve(response)
} else {
if (err) {
let errmsg = `Error on starting cbis-app \n ${err}!`
console.error(errmsg)
reject(errmsg)
} else if (stderr) {
let stderrmsg = `Error on starting cbis-app \n ${stderr}!`
console.error(stderrmsg)
reject(stderrmsg)
}
}
})
} catch (error) {
let msg = `Critical error found: ${error}!`
console.error(msg)
reject(msg)
}
})
}
module.exports = {
stopProcess: stopProcess,
startProcess: startProcess
}