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class Dashboard::Data
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attr_reader :filter
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# returns a status hash
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def self.status(filter = "")
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new(filter).report
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end
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def initialize(filter = "")
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@filter = filter
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@report = {}
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end
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def hosts
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@hosts ||= Host.authorized(:view_hosts, Host).search_for(filter).reorder('')
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end
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def report
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fetch_data if @report.blank?
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@report
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end
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def latest_events
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con = ActiveRecord::Base.connection
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#workaround to get the inner query working
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ids = hosts.to_sql.sub(/SELECT.*FROM/, "SELECT #{Host.quoted_table_name}.#{con.quote_column_name('id')} FROM")
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# 9 reports + header fits the events box nicely...
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@latest_events ||= ConfigReport.authorized(:view_config_reports).my_reports.interesting
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.where("#{ConfigReport.quoted_table_name}.#{con.quote_column_name('host_id')} IN (#{ids})")
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.search_for('reported > "7 days ago"')
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.limit(9).includes(:host)
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end
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private
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def fetch_data
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@report.update(
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{ :total_hosts => hosts.size,
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:bad_hosts => hosts.recent.with_error.count,
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:bad_hosts_enabled => hosts.recent.with_error.alerts_enabled.count,
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:active_hosts => hosts.recent.with_changes.count,
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:active_hosts_ok => hosts.recent.with_changes.without_error.count,
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:active_hosts_ok_enabled => hosts.recent.with_changes.without_error.alerts_enabled.count,
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:ok_hosts => hosts.recent.successful.count,
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:ok_hosts_enabled => hosts.recent.successful.alerts_enabled.count,
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:out_of_sync_hosts => hosts.out_of_sync.count,
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:out_of_sync_hosts_enabled => hosts.out_of_sync.alerts_enabled.count,
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:disabled_hosts => hosts.alerts_disabled.count,
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:pending_hosts => hosts.recent.with_pending_changes.count,
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:pending_hosts_enabled => hosts.recent.with_pending_changes.alerts_enabled.count
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})
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@report[:good_hosts] = @report[:ok_hosts] + @report[:active_hosts_ok]
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@report[:good_hosts_enabled] = @report[:ok_hosts_enabled] + @report[:active_hosts_ok_enabled]
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@report[:percentage] = percentage
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@report[:reports_missing] = reports_missing
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end
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def percentage
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return 0 if @report[:ok_hosts_enabled] == 0 || @report[:total_hosts] == 0
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@report[:ok_hosts_enabled] * 100 / @report[:total_hosts]
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end
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def reports_missing
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hosts.search_for('not has last_report and status.enabled = true').count
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end
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end
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