Class: Chef::Knife::TidyServerClean

Inherits:
Chef::Knife show all
Includes:
TidyBase
Defined in:
lib/chef/knife/tidy_server_clean.rb

Instance Method Summary collapse

Methods included from TidyBase

#action_needed, #action_needed_file_path, #completion_message, included, #rest, #server, #server_warnings_file_path, #tidy

Instance Method Details

#all_orgs ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 153

def all_orgs
  orgs = []
  report_files.each do |file|
    org = ::File.basename(file).match(/^(.*?)_(cookbook_count|unused_cookbooks|stale_nodes)\.json/).captures[0]
    if org
      orgs.push(org) unless orgs.include?(org)
    end
  end
  orgs
end

#clean_cookbooks(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 88

def clean_cookbooks(org)
  queue = Chef::Util::ThreadedJobQueue.new
  unused_cookbooks_file = ::File.join(tidy.reports_dir, "#{org}_unused_cookbooks.json")
  return unless ::File.exist?(unused_cookbooks_file)
  ui.stdout.puts "INFO: Cleaning cookbooks for Org: #{org}, using #{unused_cookbooks_file}"
  unused_cookbooks = FFI_Yajl::Parser.parse(::File.read(unused_cookbooks_file), symbolize_names: true)
  unused_cookbooks.keys.each do |cookbook|
    versions = unused_cookbooks[cookbook]
    versions.each do |version|
      queue << lambda { delete_cookbook_job(org, cookbook, version) }
    end
  end
  queue.process(config[:concurrency].to_i)
end

#clean_nodes(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 114

def clean_nodes(org)
  queue = Chef::Util::ThreadedJobQueue.new
  stale_nodes_file = ::File.join(tidy.reports_dir, "#{org}_stale_nodes.json")
  return unless ::File.exist?(stale_nodes_file)
  ui.stdout.puts "INFO: Cleaning stale nodes for Org: #{org}, using #{stale_nodes_file}"
  stale_nodes = FFI_Yajl::Parser.parse(::File.read(stale_nodes_file), symbolize_names: true)
  stale_nodes[:list].each do |node|
    queue << lambda { delete_node_job(org, node) }
  end
  queue.process(config[:concurrency].to_i)
end

#delete_cookbook_job(org, cookbook, version) ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 103

def delete_cookbook_job(org, cookbook, version)
  path = "/organizations/#{org}/cookbooks/#{cookbook}/#{version}"
  if config[:dry_run]
    printf("DRYRUN: Would have executed `rest.delete(#{path})`\n")
    return
  end
  printf("INFO: Deleting #{path}\n")
  rest.delete(path)
rescue Net::HTTPServerException
end

#delete_node_job(org, node) ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 126

def delete_node_job(org, node)
  paths = ["/organizations/#{org}/nodes/#{node}", "/organizations/#{org}/clients/#{node}"]
  paths.each do |path|
    if config[:dry_run]
      printf("DRYRUN: Would have executed `rest.delete(#{path})`\n")
      next
    else
      begin
        printf("INFO: Deleting #{path}\n")
        rest.delete(path)
      rescue Net::HTTPServerException
      end
    end
  end
end

#ensure_reports_dir ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 142

def ensure_reports_dir
  unless ::File.directory?(tidy.reports_dir)
    ui.error "#{tidy.reports_dir} not found!"
    exit 1
  end
end

#report_files ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 149

def report_files
  Dir[::File.join(tidy.reports_dir, '**.json')]
end

#run ⇒ Object 



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# File 'lib/chef/knife/tidy_server_clean.rb', line 36

def run
  STDOUT.sync = true

  ensure_reports_dir

  configure_chef

  if config[:only_cookbooks] && config[:only_nodes]
    ui.error 'Cannot use --only-cookbooks AND --only-nodes'
    exit 1
  end

  while config[:backup_path].nil?
    user_value = ui.ask_question("It is not recommended to run this command without specifying a current backup directory.\nPlease specify a backup directory:")
    config[:backup_path] = user_value == '' ? nil : user_value
  end

  unless ::File.directory?(config[:backup_path])
    ui.error 'Must specify valid --backup-path'
    exit 1
  end

  deletions = if config[:only_cookbooks]
                "cookbooks"
              elsif config[:only_nodes]
                "nodes (and associated clients and ACLs)"
              else
                "cookbooks and nodes (and associated clients and ACLs)"
              end

  orgs = if config[:org_list]
           config[:org_list].split(',')
         else
           all_orgs
         end

  ui.warn "This operation will affect the following Orgs on #{server.root_url}: #{orgs}"
  if ::File.exist?(server_warnings_file_path)
    ::File.read(::File.expand_path('reports/knife-tidy-server-warnings.txt')).each_line do |line|
      ui.warn(line)
    end
  end
  ui.confirm("This command will delete #{deletions} identified by the knife-tidy reports in #{tidy.reports_dir} from the Chef Server specified in your knife configuration file. \n\n The Chef server to be used is currently #{server.root_url}.\n\n Please be sure this is the Chef server you wish to delete data from. \n\nWould you like to continue?") unless config[:unattended]

  orgs.each do |org|
    clean_cookbooks(org) unless config[:only_nodes]
    clean_nodes(org) unless config[:only_cookbooks]
  end

  completion_message
end