Class: Chef::Knife::TidyBackupClean

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

Instance Method Summary collapse

Methods included from TidyBase

#completion_message, included, #rest, #server, #tidy

Instance Method Details

#action_needed(msg) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 312

def action_needed(msg)
  ::File.open(action_needed_file_path, 'a') do |f|
    f.write(msg + "\n")
  end
end

#action_needed_file_path ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 308

def action_needed_file_path
  ::File.expand_path('knife-tidy-actions-needed.txt')
end

#add_cookbook_name_to_metadata(cookbook_name, rb_path) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 128

def add_cookbook_name_to_metadata(cookbook_name, rb_path)
  puts "REPAIRING: Correcting `name` in #{rb_path}"
  content = IO.readlines(rb_path)
  new_content = content.reject { |line| line =~ /^name .*/ }
  name_field = "name '#{cookbook_name}'\n"
  IO.write rb_path, name_field + new_content.join('')
end

#broken_cookooks_add(org, cookbook) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 175

def broken_cookooks_add(org, cookbook)
  broken_path = ::File.join(tidy.org_path(org), 'cookbooks.broken')
  FileUtils.mkdir(broken_path) unless ::File.directory?(broken_path)
  Dir[::File.join(tidy.cookbooks_path(org), "#{cookbook}*")].each do |cb|
    FileUtils.mv(cb, broken_path, :verbose => true, :force => true)
  end
end

#create_minimal_metadata(cookbook_path) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 256

def create_minimal_metadata(cookbook_path)
  name = tidy.cookbook_name_from_path(cookbook_path)
  components = cookbook_path.split(File::SEPARATOR)
  name_version = components[components.index('cookbooks')+1]
  version = name_version.match(/\d+\.\d+\.\d+/).to_s
  metadata = {}
  metadata['name'] = name
  metadata['version'] = version
  metadata['description'] = 'the description'
  metadata['long_description'] = 'the long description'
  metadata['maintainer'] = 'the maintainer'
  metadata['maintainer_email'] = 'the maintainer email'
  rb_file = ::File.join(cookbook_path, 'metadata.rb')
  puts "REPAIRING: no metadata files exist for #{cookbook_path}, creating #{rb_file}"
  ::File.open(rb_file, 'w') do |f|
    metadata.each_pair do |key, value|
      f.write("#{key} '#{value}'\n")
    end
  end
end

#fix_cookbook_names(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 136

def fix_cookbook_names(org)
  for_each_cookbook_path(org) do |cookbook_path|
    rb_path = ::File.join(cookbook_path, 'metadata.rb')
    json_path = ::File.join(cookbook_path, 'metadata.json')
    # next unless ::File.exist?(rb_path)
    cookbook_name = tidy.cookbook_name_from_path(cookbook_path)
    if ::File.exist?(rb_path)
      lines = ::File.readlines(rb_path).select { |line| line =~ /^name.*['"]#{cookbook_name}['"]/ }
      add_cookbook_name_to_metadata(cookbook_name, rb_path) if lines.empty?
    else
      if ::File.exist?(json_path)
        metadata = FFI_Yajl::Parser.parse(::File.read(json_path), symbolize_names: false)
        if metadata['name'] != cookbook_name
          metadata['name'] = cookbook_name
          puts "REPAIRING: Correcting `name` in #{json_path}`"
          ::File.open(json_path, 'w') do |f|
            f.write(Chef::JSONCompat.to_json_pretty(metadata))
          end
        end
      end
    end
  end
end

#fix_metadata_fields(cookbook_path) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 205

def fix_metadata_fields(cookbook_path)
  json_path = ::File.join(cookbook_path, 'metadata.json')
  metadata = FFI_Yajl::Parser.parse(::File.read(json_path), symbolize_names: false)
  md = metadata.dup
  metadata.each_pair do |key, value|
    if value.nil?
      puts "REPAIRING: Fixing null value for key #{key} in #{json_path}"
      md[key] = 'default value'
    end
  end
  if metadata.has_key?('platforms')
    metadata['platforms'].each_pair do |key, value|
      # platform key cannot contain comma delimited values
      md['platforms'].delete(key) if key =~ /,/
      if value.kind_of?(Array) && value.empty?
        puts "REPAIRING: Fixing empty platform key for for key #{key} in #{json_path}"
        md['platforms'][key] = '>= 0.0.0'
      end
    end
  end
  ::File.open(json_path, 'w') do |f|
    f.write(Chef::JSONCompat.to_json_pretty(md))
  end
end

#fix_org_object(org) ⇒ Object

In Chef Server 12 an org object should have exactly 3 keys: name, full_name and guid The existence of anything else will cause a restore to fail EC11 backups will contain org objects with 6 extra fields including org_type, billing_plan, assigned_at, etc



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 101

def fix_org_object(org)
  puts "INFO: Validating org object for #{org}"
  org_object = load_org_object(org)

  unless org_object.keys.count == 3  # cheapo, maybe expect the exact names?
    puts "REPAIRING: org object for #{org} contains extra/missing fields. Fixing that for you"
    # quick/dirty attempt at fixing any of the required fields in case they're nil
    good_name = org_object['name'] || org
    good_full_name = org_object['full_name'] || org
    good_guid = org_object['guid'] || SecureRandom.uuid.gsub('-','')
    fixed_org_object = { name: good_name, full_name: good_full_name, guid: good_guid }

    write_org_object(org, fixed_org_object)
  end
end

#fix_self_dependencies(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 190

def fix_self_dependencies(org)
  for_each_cookbook_path(org) do |cookbook_path|
    name = tidy.cookbook_name_from_path(cookbook_path)
    md_path = ::File.join(cookbook_path, 'metadata.rb')
    unless ::File.exist?(md_path)
      puts "INFO: No metadata.rb in #{cookbook_path} - skipping"
      next
    end
    Chef::TidySubstitutions.new.sub_in_file(
      ::File.join(cookbook_path, 'metadata.rb'),
      Regexp.new("^depends +['\"]#{name}['\"]"),
      "# depends '#{name}' # knife-tidy was here")
  end
end

#for_each_cookbook_basename(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 291

def for_each_cookbook_basename(org)
  cookbooks_seen = []
  Dir[::File.join(tidy.cookbooks_path(org), '**-**')].each do |cookbook|
    name = tidy.cookbook_name_from_path(cookbook)
    unless cookbooks_seen.include?(name)
      cookbooks_seen.push(name)
      yield name
    end
  end
end

#for_each_cookbook_path(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 302

def for_each_cookbook_path(org)
  Dir[::File.join(tidy.cookbooks_path(org), '**')].each do |cookbook|
    yield cookbook
  end
end

#for_each_role(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 324

def for_each_role(org)
  Dir[::File.join(tidy.roles_path(org), '*.json')].each do |role|
    yield role
  end
end

#generate_metadata_from_file(cookbook, path) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 230

def generate_metadata_from_file(cookbook, path)
  md_path = ::File.join(path, 'metadata.rb')
  json_path = ::File.join(path, 'metadata.json')
  if !::File.exist?(md_path) && !::File.exist?(json_path)
    create_minimal_metadata(path)
  end
  unless ::File.exist?(md_path)
    puts "INFO: No metadata.rb in #{path} - skipping"
    return
  end
  puts "INFO: Generating new metadata.json for #{path}"
  md = Chef::Cookbook::Metadata.new
  md.name(cookbook)
  md.from_file(md_path)
  json_file = ::File.join(path, 'metadata.json')
  ::File.open(json_file, 'w') do |f|
    f.write(Chef::JSONCompat.to_json_pretty(md))
  end
rescue Exceptions::ObsoleteDependencySyntax, Exceptions::InvalidVersionConstraint => e
  ui.stderr.puts "ERROR: The cookbook '#{cookbook}' contains invalid or obsolete metadata syntax."
  ui.stderr.puts "in #{file}:"
  ui.stderr.puts
  ui.stderr.puts e.message
  exit 1
end

#generate_new_metadata(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 183

def generate_new_metadata(org)
  for_each_cookbook_path(org) do |cookbook_path|
    generate_metadata_from_file(tidy.cookbook_name_from_path(cookbook_path), cookbook_path)
    fix_metadata_fields(cookbook_path)
  end
end

#load_cookbooks(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 160

def load_cookbooks(org)
  cl = Chef::CookbookLoader.new(tidy.cookbooks_path(org))
  for_each_cookbook_basename(org) do |cookbook|
    puts "INFO: Loading #{cookbook}"
    ret = cl.load_cookbook(cookbook)
    if ret.nil?
      action_needed("ACTION NEEDED: Something's wrong with the #{cookbook} cookbook in org #{org} - cannot load it! Moving to cookbooks.broken folder.")
      broken_cookooks_add(org, cookbook)
    end
  end
rescue LoadError => e
  ui.error e
  exit 1
end

#load_org_object(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 117

def load_org_object(org)
  JSON.parse(File.read(File.join(tidy.org_path(org), 'org.json')))
rescue Errno::ENOENT, JSON::ParserError
  puts "REPAIRING: org object for organization #{org} is missing or corrupt. Generating a new one"
  return { name: org, full_name: org, guid: SecureRandom.uuid.gsub('-','') }
end

#orgs ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 283

def orgs
  @orgs ||= if config[:org_list]
              config[:org_list].split(',')
            else
              Dir[::File.join(tidy.backup_path, 'organizations', '*')].map { |dir| ::File.basename(dir) }
            end
end

#repair_role_run_lists(role_path) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 330

def repair_role_run_lists(role_path)
  # rubocop:disable MethodLength
  the_role = FFI_Yajl::Parser.parse(::File.read(role_path), symbolize_names: false)
  new_role = the_role.clone
  rl = Chef::RunList.new
  new_role['run_list'] = []
  the_role['run_list'].each do |item|
    begin
      rl << item
      new_role['run_list'].push(item)
    rescue ArgumentError
      puts "REPAIRING: Invalid Recipe Item: #{item} in run_list from #{role_path}"
    end
  end
  if the_role.has_key?('env_run_lists')
    the_role['env_run_lists'].each_pair do |key, value|
      new_role['env_run_lists'][key] = []
      value.each do |item|
        begin
          rl << item
          new_role['env_run_lists'][key].push(item)
        rescue ArgumentError
          puts "REPAIRING: Invalid Recipe Item: #{item} in env_run_lists #{key} from #{role_path}"
        end
      end
    end
  end
  write_role(role_path, new_role)
  # rubocop:enable MethodLength
end

#run ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 35

def run
  FileUtils.rm_f(action_needed_file_path)

  if config[:gen_gsub]
    Chef::TidySubstitutions.new().boiler_plate
    exit
  end

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

  Chef::TidySubstitutions.new(substitutions_file, tidy).run_substitutions if config[:gsub_file]

  validate_user_emails

  orgs.each do |org|
    fix_org_object(org)
    validate_invitations(org)
    validate_roles(org)
    org_acls = Chef::TidyOrgAcls.new(tidy, org)
    org_acls.validate_acls
    org_acls.validate_user_acls
    fix_self_dependencies(org)
    fix_cookbook_names(org)
    generate_new_metadata(org)
    load_cookbooks(org)
  end

  completion_message

  puts "\nWARNING: ** Unrepairable Items **\nPlease see #{action_needed_file_path}\n" if ::File.exist?(action_needed_file_path)
end

#substitutions_file ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 277

def substitutions_file
  sub_file_path = ::File.expand_path(config[:gsub_file])
  ui.error "Subtitutions file #{sub_file_path} does not exist!" unless ::File.exist?(sub_file_path)
  @substitutions_file ||= sub_file_path
end

#validate_invitations(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 372

def validate_invitations(org)
  invite_file = tidy.invitations_path(org)
  puts "INFO: validating org #{org} invites in #{invite_file}"
  invitations = FFI_Yajl::Parser.parse(::File.read(invite_file), symbolize_names: false)
  invitations_new = []
  invitations.each do |invite|
    if invite['username'].nil?
      puts "REPAIRING: Dropping corrupt invitations for #{org} in file #{invite_file}"
    else
      invite_hash = {}
      invite_hash['id'] = invite['id']
      invite_hash['username'] = invite['username']
      invitations_new.push(invite_hash)
    end
  end
  ::File.open(invite_file, 'w') do |f|
    f.write(Chef::JSONCompat.to_json_pretty(invitations_new))
  end
end

#validate_roles(org) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 361

def validate_roles(org)
  for_each_role(org) do |role_path|
    puts "INFO: Validating Role at #{role_path}"
    begin
      Chef::Role.from_hash(FFI_Yajl::Parser.parse(::File.read(role_path), symbolize_names: false))
    rescue ArgumentError
      repair_role_run_lists(role_path)
    end
  end
end

#validate_user_emails ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 70

def validate_user_emails
  emails_seen = []
  tidy.global_user_names.each do |user|
    email = ''
    puts "INFO: Validating #{user}"
    the_user = FFI_Yajl::Parser.parse(::File.read(::File.join(tidy.users_path, "#{user}.json")), symbolize_names: false)
    if the_user.has_key?('email') && the_user['email'].match(/\A[^@\s]+@[^@\s]+\z/)
      if emails_seen.include?(the_user['email'])
        puts "REPAIRING: Already saw #{user}'s email, creating a unique one."
        email = tidy.unique_email
        new_user = the_user.dup
        new_user['email'] = email
        tidy.save_user(new_user)
        emails_seen.push(email)
      else
        emails_seen.push(the_user['email'])
      end
    else
      puts "REPAIRING: User #{user} does not have a valid email, creating a unique one."
      email = tidy.unique_email
      new_user = the_user.dup
      new_user['email'] = email
      tidy.save_user(new_user)
      emails_seen.push(email)
    end
  end
end

#write_org_object(org, org_object) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 124

def write_org_object(org, org_object)
  File.write(File.join(tidy.org_path(org), 'org.json') , JSON.pretty_generate(org_object))
end

#write_role(path, role) ⇒ Object 



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# File 'lib/chef/knife/tidy_backup_clean.rb', line 318

def write_role(path, role)
  ::File.open(path, 'w') do |f|
    f.write(Chef::JSONCompat.to_json_pretty(role))
  end
end