VictoriaMetrics部署及vmalert集成钉钉告警

1、部署VictoriaMetrics

cd /usr/local
wget https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/v1.65.0/victoria-metrics-amd64-v1.65.0.tar.gz
mkdir victoria-metrics && tar -xvzf victoria-metrics-amd64-v1.65.0.tar.gz && \
mv victoria-metrics-prod victoria-metrics/victoria-metrics && cd victoria-metrics
nohup ./victoria-metrics -retentionPeriod=30d -storageDataPath=data &

2、配置Prometheus

# 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).
  external_labels:
        datacenter: "victoria-1"
# 远程写入victoria
remote_write:
   - url: "http://127.0.0.1:8428/api/v1/write"
     queue_config:
         max_samples_per_send: 10000
# Alertmanager configuration
alerting:
  alertmanagers:
    - static_configs:
        - targets:
          - localhost:9093

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
   - "/usr/local/prometheus/rules/rule_node_down.yml"
   - "/usr/local/prometheus/rules/rule_disk_over.yml"
   - "/usr/local/prometheus/rules/rule_cpu_over.yml"
   - "/usr/local/prometheus/rules/rule_memory_over.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  to any timeseries scraped from this config.
  - job_name: 'prometheus'
    static_configs:
    - targets: ['localhost:9090']
#  用于配置victoria
  - job_name: 'victoria'
    static_configs:
    - targets: ['47.105.38.224:8480']
    - targets: ['47.105.38.224:8481']
    - targets: ['47.105.38.224:8482']
    # metrics_path defaults to '/metrics'
    #     # scheme defaults to 'http'.
  - job_name: 'consul-prometheus'
   # metrics_path: "/v1/agent/metrics"
    scrape_interval: 60s
    scrape_timeout: 10s
    scheme: http
    params:
      format: ['prometheus']
    #static_configs:
    #    - targets:
    #       - 47.105.38.224:8500
    consul_sd_configs:
      - server: '47.105.38.224:8500'
        services: []
    relabel_configs:
      - source_labels: [__metrics_path__]
        separator: ;
        regex: /metrics
        target_label: __metrics_path__
        replacement: /actuator/prometheus
        action: replace
      - source_labels: ['__meta_consul_tags']
        regex: '^.*,metrics=true,.*$'
        action: keep
  - job_name: "node20_exporter"
    static_configs:
    - targets: ["localhost:9100"]

  - job_name: "node21_exporter"
    static_configs:
    - targets: ["172.16.17.21:9100"]    #监控主机

  - job_name: "node22_exporter"
    static_configs:
    - targets: ["172.16.17.22:9100"]

  - job_name: "node23_exporter"
    static_configs:
    - targets: ["172.16.17.23:9100"]    #监控主机


  - job_name: "alertmanager"
    static_configs:
    - targets: ["localhost:9093"]

3、配置Grafana数据源

4、构建vmalert

从源代码构建vmalert:

git clone https://github.com/VictoriaMetrics/VictoriaMetrics
cd VictoriaMetrics
make vmalert

构建二进制文件将放置在VictoriaMetrics/bin文件夹中。

5、添加alert.rules

vim alert.rules

#rule示例
groups:
    - name: test-rule
      rules:
      - alert: 主机状态
        expr: up == 0
        for: 2m
        labels:
          status: warning
        annotations:
          summary: "{{$labels.instance}}:服务器关闭"
          description: "{{$labels.instance}}:服务器关闭"

6、修改钉钉prometheus-webhook-dingtalk配置文件

vim /usr/local/prometheus-webhook-dingtalk/config.example.yml

## Request timeout
# timeout: 5s

## Uncomment following line in order to write template from scratch (be careful!)
#no_builtin_template: true

## Customizable templates path
templates:
  - '/usr/local/alertmanager/template/default.tmpl'

## You can also override default template using `default_message`
## The following example to use the 'legacy' template from v0.3.0
#default_message:
#  title: '{{ template "legacy.title" . }}'
#  text: '{{ template "legacy.content" . }}'

## Targets, previously was known as "profiles"
targets:
  webhook1:
    url: https://oapi.dingtalk.com/robot/send?access_token=XXXXXXXX
    # secret for signature
    secret: SEC000000000000000000000
#  webhook2:
#    url: https://oapi.dingtalk.com/robot/send?access_token=xxxxxxxxxxxx
#  webhook_legacy:
 #   url: https://oapi.dingtalk.com/robot/send?access_token=xxxxxxxxxxxx
    # Customize template content
    message:
      # Use legacy template
     # title: '{{ template "legacy.title" . }}'
      text: '{{ template "wechat.default.message" . }}'
  webhook_mention_all:
    url: https://oapi.dingtalk.com/robot/send?access_token=xxxxxxxxxxxx
    mention:
      all: true
  webhook_mention_users:
    url: https://oapi.dingtalk.com/robot/send?access_token=xxxxxxxxxxxx
    mention:
      mobiles: ['156xxxx8827', '189xxxx8325']

7、修改alertmanager配置文件

vim /usr/local/alertmanager/alertmanager.yml

global:
  resolve_timeout: 5m # 处理超时时间,默认为5min

templates:    # 指定邮件模板的路径,可以使用相对路径,template/*.tmpl的方式
  - '/usr/local/alertmanager/template/default.tmpl'
# 定义路由树信息
route:
  group_by: [alertname]  # 报警分组依据
  receiver: ops_notify   # 设置默认接收人
  group_wait: 30s        # 最初即第一次等待多久时间发送一组警报的通知
  group_interval: 60s    # 在发送新警报前的等待时间
  repeat_interval: 1h    # 重复发送告警时间。默认1h
  routes:

  - receiver: ops_notify  # 基础告警通知人
    group_wait: 10s
    match_re:
      alertname: 实例存活告警|磁盘使用率告警   # 匹配告警规则中的名称发送

  - receiver: info_notify  # 消息告警通知人
    group_wait: 10s
    match_re:
      alertname: 内存使用率告警|CPU使用率告警|目录大小告警

# 定义基础告警接收者
receivers:
- name: ops_notify
  webhook_configs:
  - url: http://localhost:8060/dingtalk/webhook1/send
    send_resolved: true  # 警报被解决之后是否通知
#    message: '{{ template "wechat.default.message" . }}'

# 定义消息告警接收者
- name: info_notify
  webhook_configs:
  - url: http://localhost:8060/dingtalk/webhook1/send
    send_resolved: true
 #   message: '{{ template "wechat.default.message" . }}'

# 一个inhibition规则是在与另一组匹配器匹配的警报存在的条件下,使匹配一组匹配器的#警报失效的规则。两个警报必须具有一组相同的标签。
inhibit_rules:
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['alertname', 'dev', 'instance']

8、启动vmalert

./bin/vmalert -rule=alert.rules \
  -datasource.url=http://localhost:8428 \
  -notifier.url=http://localhost:9093 &

9、查看钉钉告警

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