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class Dashboard
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attr_reader :report
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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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fetch_data
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end
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def hosts
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@hosts ||= Host.authorized(:view_hosts, Host).search_for(filter)
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end
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private
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attr_writer :report
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attr_accessor :filter
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def fetch_data
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report.update({
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:total_hosts => hosts.count,
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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 or 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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