Monitoring and Logging node project
Prometheus.io
node_exporter-1.6.1.linux-amd64.tar.gz
https://github.com/prometheus/node_exporter/releases/download/v1.6.1/node_exporter-1.6.1.linux-amd64.tar.gz
NOTE: Replace the URL with one from the above mentioned “downloads” page.
, , and are placeholders.
wget https://github.com/prometheus/node_exporter/releases/download/v
wget https://github.com/prometheus/node_exporter/releases/download/v1.6.1/node_exporter-1.6.1.linux-amd64.tar.gz
tar xvfz node_exporter-1.6.1.linux-amd64.tar.gz
cd node_exporter-*.*-amd64
./node_exporter
https://prometheus.io/docs/guides/node-exporter/
:9100
https://github.com/prometheus/prometheus/releases/download/v2.48.0-rc.2/prometheus-2.48.0-rc.2.linux-amd64.tar.gz
prometheus.yml
global:
scrape_interval: 15s
scrape_configs:
- job_name: node
static_configs:
- targets: ['localhost:9100']
wget https://github.com/prometheus/prometheus/releases/download/v2.48.0-rc.2/prometheus-2.48.0-rc.2.linux-amd64.tar.gz tar xvf prometheus-2.48.0-rc.2.linux-amd64.tar.gz cd prometheus-.
./prometheus –config.file=./prometheus.yml
pm2 start “./prometheus –config.file=./prometheus.yml”
module.exports = {
apps: [
{
name: 'prometheus',
script: './prometheus',
args: [
'--config.file=./prometheus.yml',
// Add other Prometheus command-line arguments here
],
instances: 1,
autorestart: true,
watch: false,
max_memory_restart: '1G',
},
],
};
pm2 start pm2-prometheus.config.js
Express နဲ့ချိတ်ဖို့
https://dev.to/austincunningham/get-prometheus-metrics-from-a-express-js-app-53ck
install
npm install prom-client express-prom-bundle –save
add middleware
const promBundle = require(“express-prom-bundle”);
// Add the options to the prometheus middleware most option are for http_request_duration_seconds histogram metric const metricsMiddleware = promBundle({ includeMethod: true, includePath: true, includeStatusCode: true, includeUp: true, customLabels: {project_name: ‘hello_world’, project_type: ‘test_metrics_labels’}, promClient: { collectDefaultMetrics: { } } }); // add the prometheus middleware to all routes app.use(metricsMiddleware)
// မင်္ဂလာပါ
// ကျွန်တော် ဒီကုတ်ကို ရေးတုန်းက
// ဒီကုတ်တွေ ဘယ်လို အလုပ်လုပ်လဲဆိုတာ
// ဘုရားနဲ့ ကျွန်တော်ပဲ သိပါတယ်။
// အခုတော့ ဘုရားပဲ သိပါတော့မယ်။
// တကယ်လို့ ခင်ဗျား ဒီကုတ်ကို ပြင်ဖို့ ကြိုးစားတာ
// အလုပ်မဖြစ်ခဲ့ဘူးဆိုရင် နောက်လူတွေကို သတိပေးတဲ့အနေနဲ့
// အောက်က ဂဏန်းကိုသာ တစ်တိုးခဲ့လိုက်ပါ
// total_hours_wated_here = 126
https://stackoverflow.com/questions/184618/what-is-the-best-comment-in-source-code-you-have-ever-encountered/482129#482129
Also some systems and the people who wrote them are old.
I've seen bug reports older than me.
// This is crap code but it’s 3 a.m. and I need to get this working.
“Will have been left..” *
As the dead people no longer leave messages, you’re welcome :D
Dear programmer: When I wrote this code, only god and I knew how it worked. Now, only god knows it!
Therefore, if you are trying to optimize this routine and it fails (most surely), please increase this counter as a warning for the next person:
// total_hours_wasted_here = 254