evm:inventory - add containers.

also don't display the column if it is empty (or all 0)

app/models/ext_management_system.rb

@@ -680,17 +680,28 @@ def tenant_identity
 
  def self.output_inventory_status
  data = includes(:zone)
- .select(:id, :zone_id, :name, :total_hosts, :total_vms, :total_clusters)
+ .select(:id, :parent_ems_id, :zone_id, :type, :name, :total_hosts, :total_vms, :total_clusters)
  .map do |ems|
  [
- ems.region_id, ems.zone.name, ems.name,
- ems.total_clusters, ems.total_hosts, ems.total_vms, ems.total_storages
+ ems.region_id, ems.zone.name, ems.class.short_token, ems.name,
+ ems.total_clusters, ems.total_hosts, ems.total_vms, ems.total_storages,
+ ems.try(:containers).try(:count)
  ]
  end
- data = data.sort_by { |e| [e[1], e[2], e[3]] }
- data = data.map { |row| row.map { |col| col.to_s == "0" ? nil : col } }
- header = %w(region zone ems clusters hosts vms storages)
- puts data.unshift(header).tableize unless data.empty?
+ unless data.empty?
+ data = data.sort_by { |e| [e[0], e[1], e[2], e[3]] }
+ # remove 0's (except for the region)
+ data = data.map { |row| row.each_with_index.map { |col, i| i > 0 && col == 0 ? nil : col } }
+ data.unshift(%w(region zone kind ems clusters hosts vms storages containers))
+ # remove columns where all values (except for the header) are blank
+ data.first.each do |col_header|
+ col = data[0].index(col_header)
+ if data[1..-1].map { |row| row[col] }.none?
+ data.each { |row| row.delete_at(col) }
+ end
+ end
+ puts data.tableize
+ end
  end
 
  private