关于Prometheus + Spring Boot 应用监控的问题

<metric name>{<label name>=<label value>, ...}

api_http_requests_total{method= "post" , handler= "/messages" }

# start prometheus.

# by default , prometheus stores its database in ./data (flag --storage.tsdb.path)

./prometheus --config.file=prometheus.yml

prometheus_target_interval_length_seconds

prometheus_target_interval_length_seconds{quantile= "0.99" }

count(prometheus_target_interval_length_seconds)

tar -xzvf node_exporter-*.*.tar.gz

cd node_exporter-*.*

# start 3 example targets in separate terminals:

./node_exporter --web.listen-address 127.0 . 0.1 : 8080

./node_exporter --web.listen-address 127.0 . 0.1 : 8081

./node_exporter --web.listen-address 127.0 . 0.1 : 8082

scrape_configs:

  - job_name:  'node'

  # override the global default and scrape targets from this job every 5 seconds.

  scrape_interval: 5s

  static_configs:

   - targets: [ 'localhost:8080' , 'localhost:8081' ]

   labels:

    group: 'production'

   - targets: [ 'localhost:8082' ]

   labels:

    group: 'canary'

./prometheus -h

global:

  # how frequently to scrape targets by default .

  [ scrape_interval: <duration> | default = 1m ]

  # how long until a scrape request times out.

  [ scrape_timeout: <duration> | default = 10s ]

  # how frequently to evaluate rules.

  [ evaluation_interval: <duration> | default = 1m ]

  # the labels to add to any time series or alerts when communicating with

  # external systems (federation, remote storage, alertmanager).

  external_labels:

  [ <labelname>: <labelvalue> ... ]

  # file to which promql queries are logged.

  # reloading the configuration will reopen the file.

  [ query_log_file: <string> ]

# rule files specifies a list of globs. rules and alerts are read from

# all matching files.

rule_files:

  [ - <filepath_glob> ... ]

# a list of scrape configurations.

scrape_configs:

  [ - <scrape_config> ... ]

# alerting specifies settings related to the alertmanager.

alerting:

  alert_relabel_configs:

  [ - <relabel_config> ... ]

  alertmanagers:

  [ - <alertmanager_config> ... ]

# settings related to the remote write feature.

remote_write:

  [ - <remote_write> ... ]

# settings related to the remote read feature.

remote_read:

  [ - <remote_read> ... ]

<dependency>

  <groupid>io.micrometer</groupid>

  <artifactid>micrometer-registry-prometheus</artifactid>

  <version> 1.6 . 4 </version>

</dependency>

scrape_configs:

  - job_name: 'spring'

  metrics_path: '/actuator/prometheus'

  static_configs:

   - targets: [ 'host:port' ]

<?xml version= "1.0" encoding= "utf-8" ?>

<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://www.w3.org/2001/xmlschema-instance"

    xsi:schemalocation= "http://maven.apache.org/pom/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" >

  <modelversion> 4.0 . 0 </modelversion>

  <parent>

   <groupid>org.springframework.boot</groupid>

   <artifactid>spring-boot-starter-parent</artifactid>

   <version> 2.4 . 3 </version>

   <relativepath/> <!-- lookup parent from repository -->

  </parent>

  <groupid>com.cjs.example</groupid>

  <artifactid>prometheus-example</artifactid>

  <version> 0.0 . 1 -snapshot</version>

  <name>prometheus-example</name>

  <description>demo project for spring boot</description>

  <properties>

   <java.version> 1.8 </java.version>

  </properties>

  <dependencies>

   <dependency>

    <groupid>org.springframework.boot</groupid>

    <artifactid>spring-boot-starter-actuator</artifactid>

   </dependency>

   <dependency>

    <groupid>org.springframework.boot</groupid>

    <artifactid>spring-boot-starter-web</artifactid>

   </dependency>

   <dependency>

    <groupid>io.micrometer</groupid>

    <artifactid>micrometer-registry-prometheus</artifactid>

    <scope>runtime</scope>

   </dependency>

  </dependencies>

  <build>

   <plugins>

    <plugin>

     <groupid>org.springframework.boot</groupid>

     <artifactid>spring-boot-maven-plugin</artifactid>

    </plugin>

   </plugins>

  </build>

</project>

spring:

  application:

  name: prometheus-example

management:

  endpoints:

  web:

   exposure:

   include: "*"

  metrics:

  tags:

   application: ${spring.application.name}

scrape_configs:

  # the job name is added as a label `job=<job_name>` to any timeseries scraped from this config.

  - job_name: 'prometheus'

  # metrics_path defaults to '/metrics'

  # scheme defaults to 'http' .

  static_configs:

  - targets: [ 'localhost:9090' ]

  - job_name: 'springboot-prometheus'

  metrics_path: '/actuator/prometheus'

  static_configs:

   - targets: [ '192.168.100.93:8080' ]

./prometheus --config.file=prometheus.yml

wget https: //dl.grafana.com/oss/release/grafana-7.4.3.linux-amd64.tar.gz

tar -zxvf grafana- 7.4 . 3 .linux-amd64.tar.gz

./bin/grafana-server web