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сервис_prometheus [2026/05/06 11:17] val |
сервис_prometheus [2026/05/14 15:48] (current) val [prometheus-apache-exporter] |
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| * [[Сервис MTA#Установка и настройка MTA на обработку почты домена hostname]] | * [[Сервис MTA#Установка и настройка MTA на обработку почты домена hostname]] | ||
| + | * [[Сервис adnanh/webhook]] | ||
| + | ==== Настройка маршрутизации уведомлений ==== | ||
| <code> | <code> | ||
| # apt install prometheus-alertmanager | # apt install prometheus-alertmanager | ||
| Line 67: | Line 68: | ||
| repeat_interval: 3h | repeat_interval: 3h | ||
| receiver: team-X-mails | receiver: team-X-mails | ||
| + | |||
| + | # routes: | ||
| + | # - matchers: | ||
| + | # - job="roundcube_monitor" | ||
| + | # receiver: script-receiver | ||
| receivers: | receivers: | ||
| Line 73: | Line 79: | ||
| - to: 'student@corpX.un' | - to: 'student@corpX.un' | ||
| send_resolved: true | send_resolved: true | ||
| + | |||
| + | # - name: 'script-receiver' | ||
| + | # webhook_configs: | ||
| + | # - url: 'http://localhost:9000/hooks/my-alert-script' | ||
| </code><code> | </code><code> | ||
| + | # amtool check-config /etc/prometheus/alertmanager.yml | ||
| + | |||
| # service prometheus-alertmanager restart | # service prometheus-alertmanager restart | ||
| + | </code> | ||
| + | ==== Тестирование alertmanager ==== | ||
| + | <code> | ||
| + | $ curl -H "Content-Type: application/json" -d '[ | ||
| + | { | ||
| + | "labels": { | ||
| + | "alertname": "TestAlert", | ||
| + | "severity": "critical", | ||
| + | "instance": "test-host" | ||
| + | }, | ||
| + | "annotations": { | ||
| + | "summary": "This is a test alert", | ||
| + | "description": "Triggered manually via curl to test Alertmanager routing." | ||
| + | } | ||
| + | } | ||
| + | ]' http://localhost:9093/api/v2/alerts | ||
| + | </code> | ||
| + | ==== Подключение готовых правил alertmanager ==== | ||
| + | |||
| + | * [[Управление сервисами в Linux#Управление юнитами Systemd]] reset-failed | ||
| + | |||
| + | <code> | ||
| + | # wget -qO - https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/host-and-hardware/node-exporter.yml | tee /etc/prometheus/node_exporter_rules.yml | ||
| + | </code> | ||
| + | |||
| + | ==== Создание правил alertmanager ==== | ||
| + | |||
| + | <code> | ||
| # cat /etc/prometheus/first_rules.yml | # cat /etc/prometheus/first_rules.yml | ||
| </code><code> | </code><code> | ||
| Line 105: | Line 145: | ||
| annotations: | annotations: | ||
| summary: "CriticalTraffic {{ $labels.instance }}" | summary: "CriticalTraffic {{ $labels.instance }}" | ||
| - | </code><code> | + | |
| + | # - alert: RoundcubeDown | ||
| + | # expr: roundcube_login_logout_runtime == 0 | ||
| + | # for: 1m | ||
| + | # labels: | ||
| + | # severity: "critical" | ||
| + | # annotations: | ||
| + | # summary: "Endpoint {{ $labels.instance }} down" | ||
| + | # dashboard_url: "http://server.corpX.un:3000/.../refresh=auto" | ||
| + | </code> | ||
| + | |||
| + | ==== Подключение Alertmanager к Prometheus ==== | ||
| + | <code> | ||
| # cat /etc/prometheus/prometheus.yml | # cat /etc/prometheus/prometheus.yml | ||
| </code><code> | </code><code> | ||
| Line 119: | Line 171: | ||
| - "first_rules.yml" | - "first_rules.yml" | ||
| # - "second_rules.yml" | # - "second_rules.yml" | ||
| + | # - "node_exporter_rules.yml" | ||
| ... | ... | ||
| Line 133: | Line 186: | ||
| * [[http://server.corpX.un:9090/classic/alerts]] | * [[http://server.corpX.un:9090/classic/alerts]] | ||
| + | |||
| + | ==== Отладка Alertmanager ==== | ||
| + | <code> | ||
| + | # cat /etc/default/prometheus-alertmanager | ||
| + | ARGS="--log.level=debug" | ||
| + | </code> | ||
| ===== Exporters ===== | ===== Exporters ===== | ||
| Line 404: | Line 463: | ||
| или | или | ||
| 8*rate(ifOutOctets{ifDescr="Port-channel1",instance="router"}[1m]) | 8*rate(ifOutOctets{ifDescr="Port-channel1",instance="router"}[1m]) | ||
| + | </code> | ||
| + | |||
| + | ===== prometheus-apache-exporter ===== | ||
| + | |||
| + | <code> | ||
| + | root@server:~# apt install prometheus-apache-exporter | ||
| + | |||
| + | root@server:~# prometheus-apache-exporter --scrape_uri="http://localhost/server-status?auto" | ||
| + | |||
| + | root@server:~# cat /etc/default/prometheus-apache-exporter | ||
| + | ... | ||
| + | ARGS="" | ||
| + | |||
| + | rate(apache_accesses_total[1m]) | ||
| </code> | </code> | ||
| Line 422: | Line 495: | ||
| * [[#Проверка конфигурации и перезапуск]] | * [[#Проверка конфигурации и перезапуск]] | ||
| - | ==== Пример prometheus pushgateway на bash ==== | + | ==== Отправка метрик из приложения ==== |
| + | |||
| + | === Пример 1 === | ||
| * [[https://vinayakpandey-7997.medium.com/pushing-bash-script-result-to-prometheus-using-pushgateway-a0760cd261e|Scrape data using Bash script and push it to Prometheus using PushGateway]] | * [[https://vinayakpandey-7997.medium.com/pushing-bash-script-result-to-prometheus-using-pushgateway-a0760cd261e|Scrape data using Bash script and push it to Prometheus using PushGateway]] | ||
| Line 447: | Line 522: | ||
| </code><code> | </code><code> | ||
| * * * * * /root/ip_dhcp_binding.sh | * * * * * /root/ip_dhcp_binding.sh | ||
| + | </code> | ||
| + | |||
| + | === Пример 2 === | ||
| + | |||
| + | * Web интерфейс к почте [[Web интерфейс к почте#Roundcube]] | ||
| + | * [[Средства программирования shell#Тестирование Web приложения на shell]] | ||
| + | * [[Технология cgroup]] | ||
| + | |||
| + | <code> | ||
| + | root@server:~# cat /usr/local/bin/roundcube_monitor_stat_log.sh | ||
| + | </code><code> | ||
| + | #!/bin/bash | ||
| + | |||
| + | start=$(date +%s.%N) | ||
| + | /usr/local/bin/roundcube_monitor.sh 2>&1 | logger -t roundcube_monitor | ||
| + | test ${PIPESTATUS[0]} -eq 0 && end=$(date +%s.%N) || end=$start | ||
| + | |||
| + | runtime=$(echo "$end - $start" | bc) | ||
| + | echo "roundcube_login_logout_runtime ${runtime}" | \ | ||
| + | curl --data-binary @- http://localhost:9091/metrics/job/roundcube_monitor/host/$(hostname) | ||
| + | echo "Выполнено за $runtime сек." | ||
| + | </code><code> | ||
| + | root@server:~# crontab -l | ||
| + | </code><code> | ||
| + | * * * * * /usr/local/bin/roundcube_monitor_stat_log.sh >/dev/null | ||
| </code> | </code> | ||
сервис_prometheus.1778055431.txt.gz · Last modified: 2026/05/06 11:17 by val
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