普罗米修斯上的多个目标答案

【问题标题】：Multiple Targets on prometheus普罗米修斯上的多个目标
【发布时间】：2019-04-17 03:42:14
【问题描述】：

我已经在Centos上配置了prometheus，版本详情如下。

prometheus-2.5.0.linux-386

我在 prometheus.yml 配置文件中添加了两个目标，所有服务器节点导出器都在运行。配置如下，

    scrape_configs:
  - job_name: "node"
    scrape_interval: "15s"
    target_groups:
    - targets: ['192.168.x.x:9100','192.168.x.y:9100']

但在 prometheus UI Tragets 中仅显示单个节点，其他未显示。如果我删除一个节点，则显示现有节点。如何监控多个节点。但在 Grafana Dashboard 中显示 Multiple Series Error。

【问题讨论】：

标签： prometheus prometheus-alertmanager prometheus-node-exporter

【解决方案1】：

我已经在 prometheus.yml 上配置了这个配置

    # 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).

# Alertmanager configuration
alerting:
  alertmanagers:
  - static_configs:
    - targets:
      # - alertmanager:9093

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  # - "first_rules.yml"
  # - "second_rules.yml"

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'node'

    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.

    static_configs:
    - targets: ['192.168.x.x:9100']
    - targets: ['192.168.x.y:9100']
    - targets: ['192.168.x.z:9100']

【讨论】：

【解决方案2】：

供以后参考，以下配置在prometheus V2.3.1版本上运行良好。

prometheus yml 配置：

- job_name: 'etcd-stats'
  static_configs:
  - targets: ['10.18.210.2:2379','10.18.210.199:2379','10.18.210.16:2379']

.......

Web UI 目标

【讨论】：

【解决方案3】：

您可以在 prometheus 中抓取多个目标。试试这个方法：

global:
  scrape_interval: 15s # Scrape targets every 15 seconds
  scrape_timeout: 15s # Timeout after 15 seconds

  # Attach the label monitor=dev-monitor to all scraped time series scraped by this server
  labels:
    monitor: 'dev-monitor'

scrape_configs:
  - job_name: "job-name"
    scrape_interval: 10s # Override the default global interval for this job
    scrape_timeout: 10s # Override the default global timeout for this job
    static_configs:
    # First group of scrape targets
    - targets: ['localhost:9100', 'localhost:9101']
      labels:
        group: 'first-group'

    # Second group of scrape targets
    - targets: ['localhost:9200', 'localhost:9201']
      labels:
        group: 'second-group'

希望这会有所帮助。

【讨论】：

新版本的 Prometheus 使用“static_configs”而不是“target_groups”。另一个答案是最新版本。