Ceph Pacific : Enable Dashboard2021/07/08 |
Enable Ceph Dashboard to manage Ceph Cluster on Web Console.
This example is based on the environment like follows. | +--------------------+ | +----------------------+ | [dlp.srv.world] |10.0.0.30 | 10.0.0.31| [www.srv.world] | | Ceph Client +-----------+-----------+ RADOSGW | | | | | | +--------------------+ | +----------------------+ +----------------------------+----------------------------+ | | | |10.0.0.51 |10.0.0.52 |10.0.0.53 +-----------+-----------+ +-----------+-----------+ +-----------+-----------+ | [node01.srv.world] | | [node02.srv.world] | | [node03.srv.world] | | Object Storage +----+ Object Storage +----+ Object Storage | | Monitor Daemon | | | | | | Manager Daemon | | | | | +-----------------------+ +-----------------------+ +-----------------------+ |
[1] | Enable Dashboard module on [Manager Daemon] Node. Furthermore, Dashboard requires SSL/TLS. Create a self-signed certificate on this example. |
[root@node01 ~]#
[root@node01 ~]# dnf install ceph-mgr-dashboard ceph mgr module enable dashboard [root@node01 ~]# ceph mgr module ls | grep -A 5 enabled_modules "enabled_modules": [ "dashboard", "iostat", "restful" ], "disabled_modules": [ # create self-signed certificate [root@node01 ~]# ceph dashboard create-self-signed-cert Self-signed certificate created # create a user for Dashboard # [ceph dashboard ac-user-create (username) -i (password file) administrator] [root@node01 ~]# echo "password" > pass.txt [root@node01 ~]# ceph dashboard ac-user-create serverworld -i pass.txt administrator {"username": "serverworld", "password": "$2b$12$50UCmcL4FTOdt.wqlPOAluOk.UOnXfoQ9f5k6DVdn0jpExrD.WXvG", "roles": ["administrator"], "name": null, "email": null, "lastUpdate": 1625706922, "enabled": true, "pwdExpirationDate": null, "pwdUpdateRequired": false} # confirm Dashboard URL [root@node01 ~]# ceph mgr services { "dashboard": "https://node01.srv.world:8443/" } |
[2] | On Dashboard Host, If Firewalld is running, allow service ports. |
[root@node01 ~]# firewall-cmd --add-port=8443/tcp [root@node01 ~]# firewall-cmd --runtime-to-permanent |
[3] | Access to the Dashboard URL from a Client Computer with Web Browser, then Ceph Dashboard Login form is shown. Login as a user you just added in [1] section. After login, it's possible to see various status of Ceph Cluster. |
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