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tail syslog

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2020-05-28 16:48:03 +00:00
padre 96f6a157af
commit 52ad179104
Se han modificado 3 ficheros con 41 adiciones y 0 borrados
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1
production/tail/docker-compose.yml
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@@ -14,6 +14,7 @@ services:
- ./tail:/tail - ./tail:/tail
- /opt/docker/production/nginx/logs/access.log:/access.log:ro - /opt/docker/production/nginx/logs/access.log:/access.log:ro
- /opt/docker/production/fail2ban/fail2ban.log:/fail2ban.log:ro - /opt/docker/production/fail2ban/fail2ban.log:/fail2ban.log:ro
- /var/log/syslog:/syslog:ro
networks: networks:
mynet: mynet:
ipv4_address: 172.28.0.101 ipv4_address: 172.28.0.101

13
production/tail/tail/index.js
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@@ -38,4 +38,17 @@ app.disable('x-powered-by').use('/tail', (req, res, next) => {
transform.destroy() transform.destroy()
}) })
ts.createReadStream('/fail2ban.log', { beginAt: 'end' }).pipe(transform).pipe(res) ts.createReadStream('/fail2ban.log', { beginAt: 'end' }).pipe(transform).pipe(res)
}).use('/syslog', (req, res, next) => {
res.header('Content-Type', 'text/event-stream')
res.header('Connection', 'keep-alive')
res.header('Cache-Control', 'no-cache')
const transform = new Transform({
transform: (chunk, enc, cb) => {
cb(null, Buffer.from(chunk.toString().replace(/\n/, '\n\ndata: ')))
}
})
res.on('close', () => {
transform.destroy()
})
ts.createReadStream('/syslog', { beginAt: 'end' }).pipe(transform).pipe(res)
}).use(express.static(__dirname + '/public')) }).use(express.static(__dirname + '/public'))

27
production/tail/tail/public/syslog.html Archivo normal
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@@ -0,0 +1,27 @@
<!DOCTYPE html>
<html>
<head>
<script>
window.onload = function () {
var source = new EventSource('/syslog'),
timeout,
scroll = true
source.onmessage = function (event) {
document.getElementById('result').innerHTML += '<li>' + event.data.replace(/ kernel:/i,' <span style="color:white;background-color:black;">kernel:</span>') + '</li>'
timeout ? window.clearTimeout(timeout) : null
timeout = window.setTimeout(window.location.reload, 4 * 60 * 1000, false)
document.body.addEventListener("click", function(event) {
scroll = scroll ? false : true
})
scroll ? window.scrollTo(0,document.body.scrollHeight) : null
}
source.onerror = function (error) {
console.error(error)
}
}
</script>
</head>
<body>
<ol id="result"></ol>
</body>
</html>