Class: Chef::Knife::Depgraph

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/depgraph.rb

Instance Method Summary collapse

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/depgraph.rb', line 33

def run
  unless name_args.size == 1
    ui.err(opt_parser)
    exit 1
  end

  node_name = name_args.first

  node = Chef::Node.load(node_name)
  environment ||= node.chef_environment
  cookbooks = node.run_list.run_list_items

  environment ||= '_default'
  cookbooks = cookbooks.map do |arg|
    arg = arg.to_s
    if arg.include?('[')
      run_list = [Chef::RunList::RunListItem.new(arg)]
      expansion = Chef::RunList::RunListExpansionFromAPI.new(environment, run_list, rest)
      expansion.expand
      expansion.recipes
    else
      arg # Just a plain name
    end
  end.flatten.map do |arg|
    # I don't think this is strictly speaking required, but do it anyway
    arg.split('@').first.split('::').first
  end
  ui.err("Solving [#{cookbooks.join(', ')}] in #{environment} environment")
  solution = solve_cookbooks(environment, cookbooks)

  dep_graph = {}

  solution.sort.each do |name, cb|
    dep_graph[name] = {
      "version" => cb.version,
      "deps" => cb.metadata.dependencies
    }
  end

  ui.msg( Chef::JSONCompat.to_json_pretty(dep_graph) )

end

#solve_cookbooks(environment, cookbooks) ⇒ Object 



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# File 'lib/chef/knife/depgraph.rb', line 76

def solve_cookbooks(environment, cookbooks)
  rest.post_rest("/environments/#{environment}/cookbook_versions", 'run_list' => cookbooks)
end