Page Comparison

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• • defined application wide (not stored per user)
  • names are unique, cannot be changed after creation (because they are used to link into other places, like default dashboards
  • care should to be taken to ensure that a dashboard that is visible to a customer does not contain graphs that the customer should not see
    •  the inclusion of components in a dashboard means any user who is allowed to see and that dashboard can load those components
  • if a dashboard is deleted which is also set to a users default dashboard the user will just see the regular index page because the one picked cannot be found.

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The node list displays nodes in two formats, : panel and list/tabletable (ie, list).  The default view shown is defined in the the /usr/local/omk/opCommon.nmis file: 

'opcharts_gui_node_list_view_type' => 'table', #options: 'table' or 'panel'

Table view options

Columns displayed in the node list table view can be customized, existing columns can be removed/hidden and the order of the columns can be re-arranged.  The config item 'opcharts_gui_node_list_table_columns' defines which columns will be displayed as we as the order of the columns are displayed.

The order the columns are defined is the order they will be displayed.

Available columns:

• All node properties in the nodesum (/usr/local/nmis8/var/nmis-nodesum.json), prefixed with node_summary.
• All node properties in the summary8h (/usr/local/nmis8/var/nmis-summary8h.json), prefixed with node_summary8.

You may wish to refer to Config.nmis to select what fields are seen in nmis-nodesum.json through :    'node_summary_field_list' => 'uuid,host,host_addr,customer,myRole,ServerRoles,businessService,serviceStatus,snmpdown',

Column definition:

• name - the name of the data property
• label - the name in the header of the column, this will be localized if the translation is available
• cell - the type of data in the cell, 'String', 'Number', 'Integer', 'Percent' are all valid. To make a column become a link to the node set to 'NodeLinkCell' on that column, eg: cell => 'NodeLinkCell'.
• formatter - in most cases this does not need to be defined.  If the value is in epoch time set this to 'UnixTimeFormatter' to get a string date/time display.
• renderable - set this to 0 to keep the column in the config but not show it, by default this is 1 which is to show the column

Example column entry:

{ 
        name=> "node_name",
        label => "Name",
        cell=> 'NodeLinkCell',
        renderable => 1,
        comment => "must be present for NodeLinkCell to work on any column, use renderable => 0 to hide"
},

Node info options

The node info panel is found on most node pages and shows a customisable list of node attributes. The config option 'opcharts_gui_node_summary_list' holds the list of attributes that opCharts will display in this panel.  The list can contain two types of entries, a string with the attribute name, eg. 'host' or an object/hash with the same structure as the opcharts_gui_node_list_table_columns: 

{ 
  name => 'sysUpTimeSec',  # - name of the data attribute
  label => "Uptime",  # - label displayed beside the attribute value
  cell => "String",  # - type of data in the cell
  formatter => 'UpTime' # - how to format the value in the cell
}

opCharts will search in 3 places:

1. NMIS nodesum file
2. NMIS Nodes.nmis file
3. NMIS "-node.json" file, in the "system" section

Configuration options exist in NMIS to get attributes into these one of these locations, see the NMIS documentation for more on this.

Remember to restart the omkd daemon after making configuration changes.Customising table views is described here:  opCharts - Customising Table Columns

Node info options

Customising node info options is described here:  opCharts - Customising Table Columns

Node list performance

See opCharts 3 Performance Tuning