Class: KnifeAudit::Audit

Inherits:
Chef::Knife
  • Object
show all
Defined in:
lib/chef/knife/audit.rb

Instance Method Summary collapse

Instance Method Details

#format_cookbook_audit_list_for_display(item) ⇒ Object 



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# File 'lib/chef/knife/audit.rb', line 119

def format_cookbook_audit_list_for_display(item)
  key_length = item.empty? ? 0 : item.keys.map {|name| name.size }.max + 2
  if config[:show_nodelist]
    item.sort.map do |name, cookbook|
      "#{name.ljust(key_length)} #{cookbook["count"]}   [ #{cookbook["nodes"].join('  ')} ]"
    end
  else
    item.sort.map do |name, cookbook|
      "#{name.ljust(key_length)} #{cookbook["count"]}"
    end
  end
     
end

#run ⇒ Object 



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# File 'lib/chef/knife/audit.rb', line 39

def run

  if @name_args.empty? 
    display_cookbooks = {}
  else
    display_cookbooks = @name_args 
  end

  self.config = Chef::Config.merge!(config)
   
  # 1) Get a list (hash, actually, with key of 'name') of cookbooks available on the current server/org
  #    unless we've been given a cookbook/cookbooks on the command line
  env   = config[:environment]
  num_versions  = config[:all_versions] ? "num_versions=all" : "num_versions=1"
  
  if display_cookbooks.empty?
    api_endpoint  = env ? "/environments/#{env}/cookbooks?#{num_versions}" : "/cookbooks?#{num_versions}"
    cookbook_list = rest.get_rest(api_endpoint)
  else
    cookbook_list = {}
    display_cookbooks.each do |cookbook_name|
      api_endpoint  = env ? "/environments/#{env}/cookbooks/#{cookbook_name}" : "cookbooks/#{cookbook_name}"
      begin
        cookbook_list.merge!(rest.get_rest(api_endpoint))
      rescue
        ui.error("Cookbook #{cookbook_name} could not be found on the server!")
        exit 1
      end 
    end 

  end


  # add count => 0 to each cookbook hash
  cookbook_list.each do |name,book|
    book["count"] = 0 
    book["nodes"] = []
  end


  # 2) Get an array of Chef::Nodes known to the current server/org

  query = "*:*"  # find all nodes

  Shef::Extensions.extend_context_object(self)
  node_list = nodes.find(query) 

  # 3) Iterate over each node

  node_list.each do |node|

    # 3a) Get node's runlist

    # using expand!.recipes catches multi-level roles (roles with roles with recipes, etc.)
    recipes = node.expand!.recipes.to_a
    node_cookbook_list = recipes.map{ |x| x.match(/[^\:]+/)[0] }.uniq

    # 3b) For each cookbook in the node runlist, if it's in our cookbook array increment its count and
    #     add the node to its running node array

    node_cookbook_list.each do |cookbook|
    if cookbook_list.has_key?(cookbook)
        # Up the cookbook count
        cookbook_list[cookbook]["count"] += 1
        # Add the node to the cookbook's nodes array 
        cookbook_list[cookbook]["nodes"] << node.name
      end
    end

  end # step 3 iterate end

  # 4) Output

  format_cookbook_audit_list_for_display(cookbook_list).each do |line|
    ui.msg(line)
  end

end