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wiki/npm/install.js

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'use strict'
// =====================================================
// Wiki.js
// Installation Script
// =====================================================
const Promise = require('bluebird')
const _ = require('lodash')
const colors = require('colors/safe')
const exec = require('execa')
const fs = Promise.promisifyAll(require('fs-extra'))
const https = require('follow-redirects').https
const inquirer = require('inquirer')
const os = require('os')
const path = require('path')
const pm2 = Promise.promisifyAll(require('pm2'))
const tar = require('tar')
const zlib = require('zlib')
const installDir = path.resolve(__dirname, '../..')
const isContainerBased = (process.env.WIKI_JS_HEROKU || process.env.WIKI_JS_DOCKER)
let installMode = 'new'
// =====================================================
// INSTALLATION TASKS
// =====================================================
const tasks = {
/**
* Stop and delete existing instances
*/
stopAndDeleteInstances() {
ora.text = 'Looking for running instances...'
return pm2.connectAsync().then(() => {
return pm2.describeAsync('wiki').then(() => {
ora.text = 'Stopping and deleting process from pm2...'
return pm2.deleteAsync('wiki')
}).catch(err => { // eslint-disable-line handle-callback-err
return true
}).finally(() => {
pm2.disconnect()
})
}).catch(err => { // eslint-disable-line handle-callback-err
return true
})
},
/**
* Check for sufficient memory
*/
checkRequirements() {
ora.text = 'Checking system requirements...'
if (os.totalmem() < 1000 * 1000 * 768) {
return Promise.reject(new Error('Not enough memory to install dependencies. Minimum is 768 MB.'))
} else {
return Promise.resolve(true)
}
},
/**
* Install via local tarball if present
*/
installFromLocal() {
let hasTarball = true
let tbPath = path.join(installDir, 'wiki-js.tar.gz')
return fs.accessAsync(tbPath)
.catch(err => { // eslint-disable-line handle-callback-err
hasTarball = false
}).then(() => {
if (hasTarball) {
ora.text = 'Local tarball found. Extracting...'
return new Promise((resolve, reject) => {
fs.createReadStream(tbPath).pipe(zlib.createGunzip())
.pipe(tar.extract({ cwd: installDir }))
.on('error', err => reject(err))
.on('end', () => {
ora.text = 'Tarball extracted successfully.'
resolve(true)
})
})
} else {
return false
}
})
},
/**
* Install from GitHub release download
*/
installFromRemote() {
// Fetch version from npm package
return fs.readJsonAsync('package.json').then((packageObj) => {
let versionGet = _.chain(packageObj.version).split('.').take(4).join('.')
let remoteURL = _.replace('https://github.com/Requarks/wiki/releases/download/v{0}/wiki-js.tar.gz', '{0}', versionGet)
return new Promise((resolve, reject) => {
// Fetch tarball
ora.text = 'Looking for latest release...'
https.get(remoteURL, resp => {
if (resp.statusCode !== 200) {
return reject(new Error('Remote file not found'))
}
ora.text = 'Remote wiki.js tarball found. Downloading...'
isContainerBased && console.info('>> Extracting to ' + installDir)
// Extract tarball
resp.pipe(zlib.createGunzip())
.pipe(tar.extract({ cwd: installDir }))
.on('error', err => reject(err))
.on('end', () => {
ora.text = 'Tarball extracted successfully.'
resolve(true)
})
})
})
})
},
/**
* Create default config.yml file if new installation
*/
ensureConfigFile() {
return fs.accessAsync(path.join(installDir, 'config.yml')).then(() => {
// Is Upgrade
ora.text = 'Existing config.yml found. Upgrade mode.'
installMode = 'upgrade'
return true
}).catch(err => {
// Is New Install
if (err.code === 'ENOENT') {
ora.text = 'First-time install, creating a new config.yml...'
installMode = 'new'
let sourceConfigFile = path.join(installDir, 'config.sample.yml')
if (process.env.WIKI_JS_HEROKU || process.env.WIKI_JS_DOCKER) {
sourceConfigFile = path.join(__dirname, 'configs/config.passive.yml')
}
return fs.copyAsync(sourceConfigFile, path.join(installDir, 'config.yml'))
} else {
return err
}
})
},
/**
* Install npm dependencies
*/
installDependencies() {
ora.text = 'Installing Wiki.js npm dependencies...'
return exec.stdout('npm', ['install', '--only=production', '--no-optional'], {
cwd: installDir
}).then(results => {
ora.text = 'Wiki.js npm dependencies installed successfully.'
return true
})
},
startConfigurationWizard() {
ora.succeed('Installation succeeded.')
if (process.env.WIKI_JS_HEROKU) {
console.info('> Wiki.js has been installed and is configured to use Heroku configuration.')
return true
} else if (process.env.WIKI_JS_DOCKER) {
console.info('Docker environment detected. Skipping setup wizard auto-start.')
return true
} else if (process.stdout.isTTY) {
if (installMode === 'upgrade') {
console.info(colors.yellow('\n!!! IMPORTANT !!!'))
console.info(colors.yellow('Running the configuration wizard is optional but recommended after an upgrade to ensure your config file is using the latest available settings.'))
console.info(colors.yellow('Note that the contents of your config file will be displayed during the configuration wizard. It is therefor highly recommended to run the wizard on a non-publicly accessible port or skip this step completely.\n'))
}
inquirer.prompt([{
type: 'list',
name: 'action',
message: 'Continue with configuration wizard?',
default: 'default',
choices: [
{ name: 'Yes, run configuration wizard on port 3000 (recommended)', value: 'default', short: 'Yes' },
{ name: 'Yes, run configuration wizard on a custom port...', value: 'custom', short: 'Yes' },
{ name: 'No, I\'ll configure the config file manually', value: 'exit', short: 'No' }
]
}, {
type: 'input',
name: 'customport',
message: 'Custom port to use:',
default: 3000,
validate: (val) => {
val = _.toNumber(val)
return (_.isNumber(val) && val > 0) ? true : 'Invalid Port!'
},
when: (ans) => {
return ans.action === 'custom'
}
}]).then((ans) => {
switch (ans.action) {
case 'default':
console.info(colors.bold.cyan('> Browse to http://your-server:3000/ to configure your wiki! (Replaced your-server with the hostname or IP of your server!)'))
ora = require('ora')({ text: 'I\'ll wait until you\'re done ;)', color: 'yellow', spinner: 'pong' }).start()
return exec.stdout('node', ['wiki', 'configure'], {
cwd: installDir
})
case 'custom':
console.info(colors.bold.cyan('> Browse to http://your-server:' + ans.customport + '/ to configure your wiki! (Replaced your-server with the hostname or IP of your server!)'))
ora = require('ora')({ text: 'I\'ll wait until you\'re done ;)', color: 'yellow', spinner: 'pong' }).start()
return exec.stdout('node', ['wiki', 'configure', ans.customport], {
cwd: installDir
})
default:
console.info(colors.bold.cyan('\n> You can run the configuration wizard using command:') + colors.bold.white(' node wiki configure') + colors.bold.cyan('.\n> Then start Wiki.js using command: ') + colors.bold.white('node wiki start'))
return Promise.delay(7000).then(() => {
process.exit(0)
})
}
}).then(() => {
ora.succeed(colors.bold.green('Wiki.js has been configured successfully. It is now starting up and should be accessible very soon!'))
return Promise.delay(3000).then(() => {
console.info('npm is finishing... please wait...')
})
})
} else {
console.info(colors.cyan('[WARNING] Non-interactive terminal detected. You must manually start the configuration wizard using the command: node wiki configure'))
}
}
}
// =====================================================
// INSTALL SEQUENCE
// =====================================================
if (!isContainerBased) {
console.info(colors.yellow(
' __ __ _ _ _ _ \n' +
'/ / /\\ \\ (_) | _(_) (_)___ \n' +
'\\ \\/ \\/ / | |/ / | | / __| \n' +
' \\ /\\ /| | <| |_ | \\__ \\ \n' +
' \\/ \\/ |_|_|\\_\\_(_)/ |___/ \n' +
' |__/\n'))
} else {
console.info('> WIKI.JS [Installing...]')
}
let ora = require('ora')({ text: 'Initializing...', spinner: 'dots12' }).start()
Promise.join(
tasks.stopAndDeleteInstances(),
tasks.checkRequirements()
).then(() => {
isContainerBased && console.info('>> Fetching tarball...')
return tasks.installFromLocal().then(succeeded => {
return (!succeeded) ? tasks.installFromRemote() : true
})
}).then(() => {
isContainerBased && console.info('>> Creating config file...')
return tasks.ensureConfigFile()
}).then(() => {
isContainerBased && console.info('>> Installing dependencies...')
return tasks.installDependencies()
}).then(() => {
return tasks.startConfigurationWizard()
}).catch(err => {
isContainerBased && console.error(err)
ora.fail(err)
})