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updates to go and dotnet metrics integrations

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This commit is contained in:
marcel-dempers 2019-08-27 19:37:09 +10:00
parent 17394dde98
commit aca91ac997
3 changed files with 45 additions and 53 deletions
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69
prometheus-monitoring/dotnet-application/src/Pages/Index.cshtml.cs
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@ -1,35 +1,34 @@
using System; using System;
using System.Diagnostics; using System.Diagnostics;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Threading.Tasks; using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages; using Microsoft.AspNetCore.Mvc.RazorPages;
using Prometheus; using Prometheus;
namespace work.Pages namespace work.Pages
{ {
public class IndexModel : PageModel public class IndexModel : PageModel
{ {
private static readonly Counter ProcessedJobCount = Metrics private static readonly Counter ProcessedJobCount = Metrics
.CreateCounter("dotnet_request_operations_total", "The total number of processed requests"); .CreateCounter("dotnet_request_operations_total", "The total number of processed requests");
public void OnGet() public void OnGet()
{ {
var sw = Stopwatch.StartNew(); var sw = Stopwatch.StartNew();
sw.Stop(); sw.Stop();
ProcessedJobCount.Inc(); ProcessedJobCount.Inc();
var histogram = var histogram =
Metrics Metrics.CreateHistogram(
.CreateHistogram( "dotnet_request_duration_seconds",
"dotnet_request_duration_seconds", "Histogram for the duration in seconds.",
"Histogram for the duration in seconds.", new HistogramConfiguration
new[] { 0.02, 0.05, 0.1, 0.15, 0.2, 0.5, 0.8, 1 }, {
"GET", Buckets = Histogram.LinearBuckets(start: 1, width: 1, count: 5)
"/"); });
histogram histogram.Observe(sw.Elapsed.TotalSeconds);
.Observe(sw.Elapsed.TotalSeconds);
}
} }
} }
}

10
prometheus-monitoring/go-application/main.go
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@ -20,11 +20,11 @@ func main() {
fmt.Println("starting...") fmt.Println("starting...")
requestDuration := prometheus.NewHistogramVec(prometheus.HistogramOpts{ requestDuration := prometheus.NewHistogramVec(prometheus.HistogramOpts{
Name: "go_request_duration_seconds", Name: "go_request_duration_seconds",
Help: "Histogram for the duration in seconds.", Help: "Histogram for the duration in seconds.",
Buckets: []float64{1, 2, 5, 6, 10}, Buckets: []float64{1, 2, 5, 6, 10},
}, },
[]string{"endpoint"}, []string{"endpoint"},
) )

19
prometheus-monitoring/readme.md
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@ -3,29 +3,22 @@
To run any of the commands, please ensure you open a terminal and navigate to the path where this readme is located. To run any of the commands, please ensure you open a terminal and navigate to the path where this readme is located.
## Start Prometheus ## Start Prometheus, Grafana & Dashboards
``` ```
docker-compose up -d prometheus docker-compose up -d prometheus
docker-compose up -d grafana docker-compose up -d grafana
docker-compose up -d grafana-dashboards
``` ```
Wait for Grafana to start up
Import the dashboards
```
TODO
```
You should see all application targets un `UNKNOWN` or `DOWN` status.
```http://localhost:9090/targets```
## Start the example app you prefer ## Start the example app you prefer
``` ```
docker-compose up -d golang-application docker-compose up -d --build go-application
docker-compose up -d python-application docker-compose up -d --build python-application
docker-compose up -d dotnet-application docker-compose up -d --build dotnet-application
docker-compose up -d nodejs-application docker-compose up -d --build nodejs-application
``` ```
## Generate some requests by opening the application in the browser ## Generate some requests by opening the application in the browser