Class: Chef::Knife::EcBackup

Inherits:
Chef::Knife show all
Includes:
EcBase
Defined in:
lib/chef/knife/ec_backup.rb

Constant Summary collapse

PATHS = 
%w(chef_repo_path cookbook_path environment_path data_bag_path role_path node_path client_path acl_path group_path container_path)

Instance Method Summary collapse

Methods included from EcBase

#completion_banner, #configure_chef, #ensure_webui_key_exists!, included, #knife_ec_error_handler, #local_user_list, #org_admin, #remote_user_list, #remote_users, #rest, #server, #set_client_config!, #set_dest_dir_from_args!, #set_skip_user_acl!, #temporary_webui_key, #user_acl_rest, #veil, #veil_config, #warn_on_incorrect_clients_group, #webui_key

Instance Method Details

#chef_fs_copy_pattern(pattern_str, chef_fs_config) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 244

def chef_fs_copy_pattern(pattern_str, chef_fs_config)
  ui.msg "Copying #{pattern_str}"
  pattern = Chef::ChefFS::FilePattern.new(pattern_str)
  Chef::ChefFS::FileSystem.copy_to(pattern, chef_fs_config.chef_fs,
                                   chef_fs_config.local_fs, nil,
                                   config, ui,
                                   proc { |entry| chef_fs_config.format_path(entry) })
rescue Net::HTTPServerException,
       Chef::ChefFS::FileSystem::NotFoundError,
       Chef::ChefFS::FileSystem::OperationFailedError => ex
  knife_ec_error_handler.add(ex)
end

#chef_fs_paths(pattern_str, chef_fs_config, exclude = []) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 237

def chef_fs_paths(pattern_str, chef_fs_config, exclude=[])
  pattern = Chef::ChefFS::FilePattern.new(pattern_str)
  list = Chef::ChefFS::FileSystem.list(chef_fs_config.chef_fs, pattern)
  list = list.select { |entry| ! exclude.include?(entry.name) } if ! exclude.empty?
  list.map { |entry| normalize_path_name(entry.path) }
end

#download_org_data(name) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 177

def download_org_data(name)
  old_config = Chef::Config.save

  begin
    # Clear out paths
    PATHS.each do |path|
      Chef::Config.delete(path.to_sym)
    end
    Chef::Config.chef_repo_path = "#{dest_dir}/organizations/#{name}"
    Chef::Config.versioned_cookbooks = true

    Chef::Config.chef_server_url = "#{server.root_url}/organizations/#{name}"

    ensure_dir(Chef::Config.chef_repo_path)

    # Download the billing-admins, public_key_read_access ACL and group as pivotal
    chef_fs_config = Chef::ChefFS::Config.new

    paths = ['/acls/groups/billing-admins.json', '/groups/billing-admins.json', '/groups/admins.json']
    paths.push('/acls/groups/public_key_read_access.json', '/groups/public_key_read_access.json') if server.supports_public_key_read_access?

    paths.each do |path|
      chef_fs_copy_pattern(path, chef_fs_config)
    end

    Chef::Config.node_name = if config[:skip_version]
                               org_admin
                             else
                               server.supports_defaulting_to_pivotal? ? 'pivotal' : org_admin
                             end

    chef_fs_config = Chef::ChefFS::Config.new
    top_level_paths = chef_fs_config.chef_fs.children.select { |entry| entry.name != 'acls' && entry.name != 'groups' }.map { |entry| entry.path }

    # The top level acl object names end with .json extension
    # Therefore we can use Chef::ChefFS::FilePattern matching for items
    # such as /acls/organizations.json
    #
    # 2nd level leaf /acl/*/* objects as well as /groups/* objects do not end with .json
    # therefore we use normalize_path_name to add the .json extension
    # for example: /acls/environments/_default

     # Skip the billing-admins, public_key_read_access group ACLs and the groups since they've already been copied
    exclude_list = ['billing-admins', 'public_key_read_access']

    top_level_acls  = chef_fs_paths('/acls/*.json', chef_fs_config, [])
    acl_paths       = chef_fs_paths('/acls/*/*', chef_fs_config, exclude_list)
    group_paths     = chef_fs_paths('/groups/*', chef_fs_config, exclude_list)
    (top_level_paths + top_level_acls + acl_paths + group_paths).each do |path|
      chef_fs_copy_pattern(path, chef_fs_config)
    end
  ensure
    Chef::Config.restore(old_config)
  end
end

#download_org_invitations(name) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 161

def download_org_invitations(name)
  ensure_dir("#{dest_dir}/organizations/#{name}")
  File.open("#{dest_dir}/organizations/#{name}/invitations.json", 'w') do |file|
    file.write(Chef::JSONCompat.to_json_pretty(rest.get("/organizations/#{name}/association_requests")))
  end
rescue Net::HTTPServerException => ex
  knife_ec_error_handler.add(ex)
end

#download_org_members(name) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 152

def download_org_members(name)
  ensure_dir("#{dest_dir}/organizations/#{name}")
  File.open("#{dest_dir}/organizations/#{name}/members.json", 'w') do |file|
    file.write(Chef::JSONCompat.to_json_pretty(rest.get("/organizations/#{name}/users")))
  end
rescue Net::HTTPServerException => ex
  knife_ec_error_handler.add(ex)
end

#download_user(username, url) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 113

def download_user(username, url)
  File.open("#{dest_dir}/users/#{username}.json", 'w') do |file|
    file.write(Chef::JSONCompat.to_json_pretty(rest.get(url)))
  end
rescue Net::HTTPServerException => ex
  knife_ec_error_handler.add(ex)
end

#download_user_acl(username) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 121

def download_user_acl(username)
  File.open("#{dest_dir}/user_acls/#{username}.json", 'w') do |file|
    file.write(Chef::JSONCompat.to_json_pretty(user_acl_rest.get("users/#{username}/_acl")))
  end
rescue Net::HTTPServerException => ex
  knife_ec_error_handler.add(ex)
end

#ensure_dir(dir) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 170

def ensure_dir(dir)
  if !File.exist?(dir)
    FileUtils.mkdir_p(dir)
  end
end

#export_from_sql ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 129

def export_from_sql
  require_relative 'ec_key_export'
  Chef::Knife::EcKeyExport.deps
  k = Chef::Knife::EcKeyExport.new
  k.name_args = ["#{dest_dir}/key_dump.json", "#{dest_dir}/key_table_dump.json"]
  k.config[:sql_host] = config[:sql_host]
  k.config[:sql_port] = config[:sql_port]
  k.config[:sql_db] = config[:sql_db]
  k.config[:sql_user] = config[:sql_user]
  k.config[:sql_password] = config[:sql_password]
  k.config[:skip_users_table] = !config[:with_user_sql]
  k.config[:skip_keys_table] = !config[:with_key_sql]
  k.run
end

#for_each_organization ⇒ Object 



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

def for_each_organization
  rest.get('/organizations').each_pair do |name, url|
    next unless (config[:org].nil? || config[:org] == name)
    ui.msg "Downloading organization object for #{name} from #{url}"
    begin
      org = rest.get(url)
    rescue Net::HTTPServerException => ex
      ui.error "Failed to find organization '#{name}'."
      knife_ec_error_handler.add(ex)
      next
    end
    # Enterprise Chef 11 and below uses a pool of precreated
    # organizations to account for slow organization creation
    # using CouchDB. Thus, on server versions < 12 we want to
    # skip any of these precreated organizations by checking if
    # they have been assigned or not.  The Chef 12 API does not
    # return an assigned_at field.
    if org['assigned_at'] || server.version >= Gem::Version.new("12")
      yield org
    else
      ui.msg "Skipping pre-created org #{name}"
    end
  end
end

#for_each_user ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 80

def for_each_user
  remote_users.each_pair do |name, url|
    yield name, url
  end
rescue Net::HTTPServerException => ex
  knife_ec_error_handler.add(ex)
end

#normalize_path_name(path) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 233

def normalize_path_name(path)
  path=~/\.json\z/ ? path : path<<'.json'
end

#purge_users_on_backup ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 67

def purge_users_on_backup
  return unless config[:purge]
  users_for_purge do |user|
    ui.msg "Deleting user #{user} from local backup (purge is on)"
    begin
      ::File.delete("#{dest_dir}/users/#{user}.json")
      ::File.delete("#{dest_dir}/user_acls/#{user}.json")
    rescue Errno::ENOENT => e
      ui.warn "Failed to find local #{user} data #{e}"
    end
  end
end

#run ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 21

def run
  set_dest_dir_from_args!
  set_client_config!
  set_skip_user_acl!
  ensure_webui_key_exists!

  ensure_dir("#{dest_dir}/users")
  ensure_dir("#{dest_dir}/user_acls") unless config[:skip_useracl]
  ui.msg 'Downloading Users'
  for_each_user do |username, url|
    download_user(username, url)
    if config[:skip_useracl]
      ui.warn("Skipping user ACL download for #{username}. To download this ACL, remove --skip-useracl or upgrade your Enterprise Chef Server.")
    else
      download_user_acl(username)
    end
  end
  purge_users_on_backup

  if config[:with_user_sql] || config[:with_key_sql]
    export_from_sql
  end

  ensure_dir("#{dest_dir}/organizations")
  for_each_organization do |org_object|
    name = org_object['name']
    write_org_object_to_disk(org_object)
    download_org_data(name)
    download_org_members(name)
    download_org_invitations(name)
  end

  warn_on_incorrect_clients_group(dest_dir, "backup")

  completion_banner
end

#users_for_purge ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 58

def users_for_purge
  purge_list = local_user_list - remote_user_list
  # failsafe - don't delete pivotal
  purge_list -= ['pivotal']
  purge_list.each do |user|
    yield user
  end
end

#write_org_object_to_disk(org_object) ⇒ Object 



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# File 'lib/chef/knife/ec_backup.rb', line 144

def write_org_object_to_disk(org_object)
  name = org_object['name']
  ensure_dir("#{dest_dir}/organizations/#{name}")
  File.open("#{dest_dir}/organizations/#{name}/org.json", 'w') do |file|
    file.write(Chef::JSONCompat.to_json_pretty(org_object))
  end
end