springboot输出metrics到prometheus

##搭建push gateway

version: &＃39;2&＃39;
services:prometheus:build: .ports:- 9090:9090volumes:- /tmp/prometheus-data:/prometheus-datalinks:- pushgatewaypushgateway:image: prom/pushgatewayports:- 9999:9091


配置从pushgateway采取数据

# my global config
global:scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.# scrape_timeout is set to the global default (10s).# Attach these labels to any time series or alerts when communicating with# external systems (federation, remote storage, Alertmanager).external_labels:monitor: &＃39;codelab-monitor&＃39;
# Load rules once and periodically evaluate them according to the global &＃39;evaluation_interval&＃39;.
rule_files:# - "first.rules"# - "second.rules"
# A scrape configuration containing exactly one endpoint to scrape:
# Here it&＃39;s Prometheus itself.
scrape_configs:# The job name is added as a label &＃96;job&＃61;&＃96; to any timeseries scraped from this config.- job_name: &＃39;prometheus&＃39;# metrics_path defaults to &＃39;/metrics&＃39;# scheme defaults to &＃39;http&＃39;.static_configs:- targets: [&＃39;localhost:9090&＃39;]- job_name: &＃39;push-metrics&＃39;static_configs:- targets: [&＃39;192.168.99.100:9999&＃39;]


##maven

io.prometheussimpleclient0.0.21io.prometheussimpleclient_hotspot0.0.21io.prometheussimpleclient_servlet0.0.21io.prometheussimpleclient_pushgateway0.0.21io.prometheussimpleclient_dropwizard0.0.21


##java config

&＃64;Component
public class PrometheusConfig {&＃64;AutowiredMetricRegistry dropwizardRegistry;&＃64;Value("${spring.application.name}")String applicationName;&＃64;Value("${prometheus.pushgateway.host}")String pushHost;&＃64;Value("${prometheus.pushgateway.intervalInMillis:10000}")long intervalInMillis;private final CollectorRegistry prometheusRegistry &＃61; new CollectorRegistry();&＃64;PostConstructpublic void initialize() {DropwizardExports prometheus &＃61; new DropwizardExports(dropwizardRegistry);prometheus.register(prometheusRegistry);PushGateway prometheusPush &＃61; new PushGateway(pushHost);Executors.newSingleThreadScheduledExecutor().scheduleAtFixedRate(() -> {try {prometheus.collect();prometheusPush.push(prometheusRegistry, applicationName);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}, 5000, intervalInMillis, TimeUnit.MILLISECONDS);}
}