DumbMonit
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Мониторинг Ceph в DumbMonit
БетаA Ceph cluster through the REST API of the manager's dashboard: health and its checks, OSDs down or nearly full, placement groups not clean, capacity, pools, monitors out of the quorum.
ДокументацияОфициальный сайт: Ceph
Описания на английском, как в самом продукте. Подписи на странице — на вашем языке.
Что проверяет DumbMonit
This integration was built from the Ceph manager dashboard REST API documentation, not against a running cluster yet. It only reads. Tell us what breaks. A Ceph cluster through the REST API of the manager's dashboard module: the health status and the checks behind it, OSDs that are down, out or nearly full, placement groups that are not active+clean, raw capacity, pools and monitors that left the quorum.
Типичное применение. Storage cluster (beta): health checks, OSDs, placement groups, capacity, pools, monitors
Примеры
- Ceph 18 (Reef)
- Ceph 19 (Squid)
- cephadm clusters
Как подключается
Что понадобится
- Dashboard user and passwordThe dumbmonit user of the Ceph dashboard, with the read-only role.
Сетевые порты, которые нужно открыть
8443/TCPDashboard REST API (HTTPS, default)8080/TCPOnly with the HTTP protocol option
Шаги настройки: Create a read-only dashboard user for DumbMonit
Check that the dashboard is enabled and note the address of the active manager.
ceph mgr servicesWrite a long random password to a file, and keep it: DumbMonit needs it.
openssl rand -base64 24 | tr -d '\n' | tee /tmp/dumbmonit.pwdCreate the user with the built-in read-only role.
ceph dashboard ac-user-create dumbmonit -i /tmp/dumbmonit.pwd read-onlyDelete the password file.
shred -u /tmp/dumbmonit.pwdIn DumbMonit, enter the address of the active manager (for example ceph.lan) with that user name and password.
Обратите внимание. A standby manager redirects to the active one: use the address of the active manager. The dashboard ships a self-signed certificate: tick "Accept an unverifiable certificate" unless you installed your own.