Class: GrafanaReporter::AlertsTableQuery

Inherits:
AbstractQuery show all
Defined in:
lib/grafana_reporter/alerts_table_query.rb

Overview

This class is used to query alerts from grafana.

Instance Attribute Summary

Attributes inherited from AbstractQuery

#dashboard, #datasource, #panel, #raw_query, #result, #variables

Instance Method Summary collapse

Methods inherited from AbstractQuery

#apply, #execute, #filter_columns, #format_columns, #format_table_output, #initialize, #replace_values, #timeout, #translate_date, #transpose

Constructor Details

This class inherits a constructor from GrafanaReporter::AbstractQuery

Instance Method Details

#post_process ⇒ void

This method returns an undefined value.

Filter the query result for the given columns and sets the result in the preformatted SQL result stlye.

Additionally it applies ‘after_fetch’ and ‘after_calculate’ actions.



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# File 'lib/grafana_reporter/alerts_table_query.rb', line 32

def post_process
  @result = apply(@result, @variables['after_fetch'], @variables)
  @result = apply(@result, @variables['after_calculate'], @variables)

  @result = format_table_output(@result,
                                row_divider: @variables['row_divider'],
                                column_divider: @variables['column_divider'],
                                table_formatter: @variables['table_formatter'],
                                include_headline: @variables['include_headline'],
                                transpose: @variables['transpose'])
end

#pre_process ⇒ void

This method returns an undefined value.

Check if mandatory Grafana::Variable columns is specified in variables.

The value of the columns variable has to be a comma separated list of column titles, which need to be included in the following list:

  • limit

  • dashboardId

  • panelId

  • query

  • state

  • folderId

  • dashboardQuery

  • dashboardTag

Raises:



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# File 'lib/grafana_reporter/alerts_table_query.rb', line 19

def pre_process
  raise MissingMandatoryAttributeError, 'columns' unless @raw_query['columns']

  @datasource = Grafana::GrafanaAlertsDatasource.new(nil)
  @variables['after_fetch'] ||= ::Grafana::Variable.new('filter_columns')
  @variables['after_calculate'] ||= ::Grafana::Variable.new('format,replace_values,transpose')
end