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opCharts has dashboards built into the heart of it's engine.  Dashboards have the ability to display components, components can load data from many different sources and display it as a graph/table/pie/chart/etc.  Right now only graphs are supported.

Customising the opCharts GUI contains some tips for GUI customisation.

Users, Roles, Privileges and Objects ( Portal mode / RBAC)

See this documentation 

Charts

Data Sources

/usr/local/omk/conf/data_

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sources.json defines the data sources that the system will make available to the charts.  Currently only SQL external data sources are supported.  The default configuration in data_sources.json file ships with examples for MSSQL and MySQL servers. Here is an example a data source definition: 

{
         "name" : "mssql_example",  # name used to access this data source in charts.json
         "type" : "sql", # fixed, no other types are currently available
         "data_models" : [ "sql_query" ], # also fixed.
         "parameters" : {
            "scheme" : "dbi", # fixed
            "driver" : "ODBC:DRIVER=FreeTDS", # dbi options that have been installed are available, only MSSQL and MySQL are tested
            "host" : "mani.opmantek.com", # SQL server host/ip
            "port" : "1433", # port SQL can be found on
            "database_name" : "testdb", # database to pull data from
            "username" : "sa", # username
            "password" : "password" #password
         }
},

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Dashboards can be created and set as the default for many different views of the system (depending on standalone mode the options to do this differ)view after logging in. 

• • 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.

                     More documentation on Dashboards can be found HERE: Dashboards

Configuration Options

After making any configuration changes you must restart the omkd daemon:

/etc/init.d/omkd restart

Panel View Options

• KPI Based
• Resource Based

In order to toggle between these two options adjust the /usr/local/omk/opCommon.nmis file. 

For KPI based panels use the following setting:

    'opcharts_gui_node_panel_display' => 'kpi',

 For Resource based panels use the following setting:

    'opcharts_gui_node_panel_display' => 'resource',

These two options are mutually exclusive, it must be one or the other. For an explanation of these two options see opCharts User Guide#Panelview

Remember to restart the omkd daemon after making configuration changes.

Node List Options

The node list displays nodes in two formats: panel and table (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

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