X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ceph%2Fdoc%2Fmgr%2Fdashboard.rst;h=ac1b961f7150dfd0c6630a03794f22ddc31c8696;hb=224ce89bce8186937e77bdbda572a650953f8c23;hp=7f837f26dbe41da7199efdacd1db1416c555590b;hpb=06dae762bfef1ba116dc58483c7b68b733d853e0;p=ceph.git diff --git a/ceph/doc/mgr/dashboard.rst b/ceph/doc/mgr/dashboard.rst index 7f837f26d..ac1b961f7 100644 --- a/ceph/doc/mgr/dashboard.rst +++ b/ceph/doc/mgr/dashboard.rst @@ -2,14 +2,50 @@ dashboard plugin ================ Dashboard plugin visualizes the statistics of the cluster using a web server -hosted by ``ceph-mgr``. Like most web applications, dashboard binds to a host -name and port. Since each ``ceph-mgr`` hosts its own instance of dashboard, we -need to configure them separately. The hostname and port are stored using the -configuration key facility. So we can configure them like:: +hosted by ``ceph-mgr``. + +Enabling +-------- + +The *dashboard* module is enabled with:: + + ceph mgr module enable dashboard + +Configuration +------------- + +Like most web applications, dashboard binds to a host name and port. +By default, the ``ceph-mgr`` daemon hosting the dashboard (i.e., the +currently active manager) will bind to port 7000 and any available +IPv4 or IPv6 address on the host. + +Since each ``ceph-mgr`` hosts its own instance of dashboard, it may +also be necessary to configure them separately. The hostname and port +can be changed via the configuration key facility:: ceph config-key put mgr/dashboard/$name/server_addr $IP ceph config-key put mgr/dashboard/$name/server_port $PORT -where ``$name`` is the ID of the ceph-mgr who is hosting this dashboard web app. -If they are not configured, the web app will be bound to ``127.0.0.1:7000``. +where ``$name`` is the ID of the ceph-mgr who is hosting this +dashboard web app. + +These settings can also be configured cluster-wide and not manager +specific. For example,:: + + ceph config-key put mgr/dashboard/server_addr $IP + ceph config-key put mgr/dashboard/server_port $PORT + +If the port is not configured, the web app will bind to port ``7000``. +If the address it not configured, the web app will bind to ``::``, +which corresponds to all available IPv4 and IPv6 addresses. + +Load balancer +------------- +Please note that the dashboard will *only* start on the manager which +is active at that moment. Query the Ceph cluster status to see which +manager is active (e.g., ``ceph mgr dump``). In order to make the +dashboard available via a consistent URL regardless of which manager +daemon is currently active, you may want to set up a load balancer +front-end to direct traffic to whichever manager endpoint is +available.