go언어 다운로드
#wget https://go.dev/dl/go1.18.1.linux-amd64.tar.gz
기존 설치된 go 삭제 압축 품
#rm -rf /usr/local/go && tar -C /usr/local -xzf go1.18.1.linux-amd64.tar.gz
환경변수 등록
#vi /etc/profile
export PATH=$PATH:/usr/local/go/bin#reboot
#go version
| cryptopunks raritysniper json 파싱 (0) | 2022.04.15 |
|---|---|
| JSON Transfer (0) | 2022.04.14 |
| Web Handler (0) | 2022.04.14 |
| routing module (0) | 2022.04.14 |
| golang 개발환경 구축 (0) | 2021.06.21 |
iesay
출처 : https://spectrumdig.blogspot.com/2012/02/routing-module-handler.html?m=0
|
package main
import (
"fmt"
)
type Handler func(method string)
type Route struct {
Method,Pattern string
}
type Routes struct {
Routes []Route
}
func (r Routes) routeCount() int {
return len(r.Routes)
}
func (r *Routes) addRoute(method, pattern string, handler Handler) {
r.Routes=append(r.Routes, Route{Method:method, Pattern:pattern})
fmt.Printf("route Count : %d\n", len(r.Routes))
handler(method)
}
func (r *Routes) GET(pattern string, handler Handler) {
r.addRoute("GET", pattern, handler)
}
func (r *Routes) POST(pattern string, handler Handler) {
r.addRoute("POST", pattern, handler)
}
func (r *Routes) PUT(pattern string, handler Handler) {
r.addRoute("PUT", pattern, handler)
}
func (r *Routes) DELETE(pattern string, handler Handler) {
r.addRoute("DELETE", pattern, handler)
}
func handler(method string) {
fmt.Printf("%s handler executed \n", method)
}
func main() {
r:=new(Routes)
r.GET("/user/:user", handler)
r.PUT("/add/:user", handler)
r.POST("/update/:user", handler)
r.DELETE("/delete/:user", handler)
for _,v:=range r.Routes {
fmt.Printf("%s:%s\n",v.Method, v.Pattern)
}
}
|
| cryptopunks raritysniper json 파싱 (0) | 2022.04.15 |
|---|---|
| JSON Transfer (0) | 2022.04.14 |
| Web Handler (0) | 2022.04.14 |
| go언어 설치 (0) | 2022.04.14 |
| golang 개발환경 구축 (0) | 2021.06.21 |
iesay
출처
|
const http = require('http')
const url = require('url')
const client = require('prom-client')
// Create a Registry which registers the metrics
const register = new client.Registry()
// Add a default label which is added to all metrics
register.setDefaultLabels({
app: 'example-nodejs-app'
})
// Enable the collection of default metrics
client.collectDefaultMetrics({ register })
// Create a histogram metric
const httpRequestDurationMicroseconds = new client.Histogram({
name: 'http_request_duration_seconds',
help: 'Duration of HTTP requests in microseconds',
labelNames: ['method', 'route', 'code'],
buckets: [0.1, 0.3, 0.5, 0.7, 1, 3, 5, 7, 10]
})
// Register the histogram
register.registerMetric(httpRequestDurationMicroseconds)
// Define the HTTP server
const server = http.createServer(async (req, res) => {
// Start the timer
const end = httpRequestDurationMicroseconds.startTimer()
// Retrieve route from request object
const route = url.parse(req.url).pathname
if (route === '/metrics') {
// Return all metrics the Prometheus exposition format
res.setHeader('Content-Type', register.contentType)
res.end(register.metrics())
}
// End timer and add labels
end({ route, code: res.statusCode, method: req.method })
})
// Start the HTTP server which exposes the metrics on http://localhost:8080/metrics
server.listen(8080)
|
nodejs server.js
프로메테우스 설치
#apt install prometheus
#cd /etc/prometheus
#vi prometheus.yml
| global: scrape_interval: 5s scrape_configs: - job_name: "example-nodejs-app" static_configs: - targets: ["localhost:8080"] |
#service prometheus restart
prometheus_http_request_duration_seconds_bucket
프로메테우스 실행 완료
Grafana
#cd /etc/prometheus
#vi datasources.ym
apiVersion: 1 datasources: - name: Prometheus type: prometheus access: proxy orgId: 1 url: http://docker.for.mac.host.internal:9090 basicAuth: false isDefault: true editable: true |
docker run --rm -p 3000:3000 \ -e GF_AUTH_DISABLE_LOGIN_FORM=true \ -e GF_AUTH_ANONYMOUS_ENABLED=true \ -e GF_AUTH_ANONYMOUS_ORG_ROLE=Admin \ -v `pwd`/datasources.yml://etc/prometheus \ grafana/grafana-enterprise:8.3.6-ubuntu |
| MongoDB Replica Set (0) | 2023.01.10 |
|---|---|
| s3 권한이 없는 경우 (0) | 2022.05.17 |
| nginx/1.18.0 (Ubuntu20.04) gzip (0) | 2022.03.07 |
| nginx/1.18.0 (Ubuntu20.04) brotli (0) | 2022.01.11 |
| Gitlab CI react app 배포 (0) | 2021.12.31 |
iesay