Shulou(Shulou.com)06/03 Report--

In previous versions of Ceph Luminous, third-party Prometheus exporterceph_exporter could be used. The mgr of Ceph Luminous 12.2.1 comes with the Prometheus plug-in and built-in Prometheus ceph exporter, and you can use Ceph mgr's built-in exporter as the target of Prometheus.

(1) introduction to the environment

Shell > ceph-v

Ceph version 14.2.4 nautilus (stable)

(2) Environmental preparation

① grafana deployment

Shell > yum-y install grafana

Shell > rpm-qa | grep grafana

Grafana-6.3.6-1.x86_64

Shell > netstat-tunlp | grep grafana # listens on port 3000

Http://10.10.204.38:3000 default password admin admin

② prometheus server deployment

View the link to deploy https://blog.51cto.com/7603402/2444837

(3) use the ceph mgr prometheus plug-in

① found the mgr active host.

Shell > ceph-s

Mgr: admin (active, since 107m), standbys: node140

② starts the plug-in on the ceph mgr admin node

Shell > ceph mgr module enable prometheus

③ to see if the plug-in starts

Shell > netstat-nltp | grep mgr

Tcp6 0 0: 9283: * LISTEN 59954/ceph-mgr

④ checks whether the data has been obtained

Shell > curl 127.0.0.1:9283/metrics # can see a large number of return values

(4) configure prometheus server to add ceph cluster job

Shell > vim prometheus.yml

# add spaces under scrape_configs: configuration item. Note that spaces follow the rule of yml 2 4 6 8 spaces.

-job_name: 'ceph_cluster' honor_labels: true scrape_interval: 5s static_configs:-targets: [' 10.10.202.142 static_configs 9283'] labels: instance: ceph

① restarts the prometheus service

Shell > systemctl restart prometheus

② checks whether the prometheus server has been added successfully.

Browser-"http://x.x.x.x:9090 -" status-"Targets"

(5) grafana add display

① browser logs in to the grafana management interface

To add data sources to ②, click configuration-- "data sources"

③ add dashboard

Click HOME-- "find dashboard on grafana.com"

④ searches ceph's dashboard

⑤ selects the appropriate dashboard, record number

⑥ Import dashboard re-select the import template and enter the number

⑦ 's beautiful dashboard can be shown:

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