在代码中使用就比较简单了
Nuget包获取下
prometheus-net
prometheus-net.AspNetCore
然后添加中间件就行了
app.UseMetricServer();
默认地址都是/metrics，在Prometheus中的targets就是指向了这个地址，当然如果需要认证的话需要处理，Prometheus也需要设置先关认证，这里我写在了GateWay中，允许查看下
http://localhost:5000/metrics
# HELP process_windows_num_threads Total number of threads # TYPE process_windows_num_threads gauge process_windows_num_threads 25 # HELP dotnet_totalmemory Total known allocated memory # TYPE dotnet_totalmemory gauge dotnet_totalmemory 7489568 # HELP process_windows_processid Process ID # TYPE process_windows_processid gauge process_windows_processid 3820 # HELP process_windows_virtual_bytes Process virtual memory size # TYPE process_windows_virtual_bytes gauge process_windows_virtual_bytes 2217671860224 # HELP process_windows_open_handles Number of open handles # TYPE process_windows_open_handles gauge process_windows_open_handles 496 # HELP process_windows_private_bytes Process private memory size # TYPE process_windows_private_bytes gauge process_windows_private_bytes 69120000 # HELP process_cpu_seconds_total Total user and system CPU time spent in seconds. # TYPE process_cpu_seconds_total counter process_cpu_seconds_total 1.921875 # HELP process_start_time_seconds Start time of the process since unix epoch in seconds. # TYPE process_start_time_seconds gauge process_start_time_seconds 1541669168.15852 # HELP dotnet_collection_count_total GC collection count # TYPE dotnet_collection_count_total counter dotnet_collection_count_total{generation="2"} 0 dotnet_collection_count_total{generation="1"} 0 dotnet_collection_count_total{generation="0"} 0 # HELP dotnet_collection_errors_total Total number of errors that occured during collections # TYPE dotnet_collection_errors_total counter dotnet_collection_errors_total 0 # HELP process_windows_working_set Process working set # TYPE process_windows_working_set gauge process_windows_working_set 68280320