lib/mongo/monitoring/event/command_started.rb
# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2015-2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
class Monitoring
module Event
# Event that is fired when a command operation starts.
#
# @since 2.1.0
class CommandStarted < Mongo::Event::Base
include Secure
# @return [ Server::Address ] address The server address.
attr_reader :address
# @return [ BSON::Document ] command The command arguments.
attr_reader :command
# @return [ String ] command_name The name of the command.
attr_reader :command_name
# @return [ String ] database_name The name of the database_name.
attr_reader :database_name
# @return [ Integer ] operation_id The operation id.
attr_reader :operation_id
# @return [ Integer ] request_id The request id.
attr_reader :request_id
# @return [ nil | Object ] The service id, if any.
attr_reader :service_id
# object_id of the socket object used for this command.
#
# @api private
attr_reader :socket_object_id
# @api private
attr_reader :connection_generation
# @return [ Integer ] The ID for the connection over which the command
# is sent.
#
# @api private
attr_reader :connection_id
# @return [ Integer ] server_connection_id The server connection id.
attr_reader :server_connection_id
# @return [ true | false ] Whether the event contains sensitive data.
#
# @api private
attr_reader :sensitive
# Create the new event.
#
# @example Create the event.
#
# @param [ String ] command_name The name of the command.
# @param [ String ] database_name The database_name name.
# @param [ Server::Address ] address The server address.
# @param [ Integer ] request_id The request id.
# @param [ Integer ] operation_id The operation id.
# @param [ BSON::Document ] command The command arguments.
# @param [ Object ] service_id The service id, if any.
#
# @since 2.1.0
# @api private
def initialize(command_name, database_name, address, request_id,
operation_id, command, socket_object_id: nil, connection_id: nil,
connection_generation: nil, server_connection_id: nil,
service_id: nil
)
@command_name = command_name.to_s
@database_name = database_name
@address = address
@request_id = request_id
@operation_id = operation_id
@service_id = service_id
@sensitive = sensitive?(
command_name: @command_name,
document: command
)
@command = redacted(command_name, command)
@socket_object_id = socket_object_id
@connection_id = connection_id
@connection_generation = connection_generation
@server_connection_id = server_connection_id
end
# Returns a concise yet useful summary of the event.
#
# @return [ String ] String summary of the event.
#
# @note This method is experimental and subject to change.
#
# @api experimental
def summary
"#<#{short_class_name} address=#{address} #{database_name}.#{command_name} command=#{command_summary}>"
end
# Returns the command, formatted as a string, with automatically added
# keys elided ($clusterTime, lsid, signature).
#
# @return [ String ] The command summary.
private def command_summary
command = self.command
remove_keys = %w($clusterTime lsid signature)
if remove_keys.any? { |k| command.key?(k) }
command = Hash[command.reject { |k, v| remove_keys.include?(k) }]
suffix = ' ...'
else
suffix = ''
end
command.map do |k, v|
"#{k}=#{v.inspect}"
end.join(' ') + suffix
end
# Create the event from a wire protocol message payload.
#
# @example Create the event.
# CommandStarted.generate(address, 1, payload)
#
# @param [ Server::Address ] address The server address.
# @param [ Integer ] operation_id The operation id.
# @param [ Hash ] payload The message payload.
# @param [ Object ] service_id The service id, if any.
#
# @return [ CommandStarted ] The event.
#
# @since 2.1.0
# @api private
def self.generate(address, operation_id, payload,
socket_object_id: nil, connection_id: nil, connection_generation: nil,
server_connection_id: nil, service_id: nil
)
new(
payload[:command_name],
payload[:database_name],
address,
payload[:request_id],
operation_id,
# All op_msg payloads have a $db field. Legacy payloads do not
# have a $db field. To emulate op_msg when publishing command
# monitoring events for legacy servers, add $db to the payload,
# copying the database name. Note that the database name is also
# available as a top-level attribute on the command started event.
payload[:command].merge('$db' => payload[:database_name]),
socket_object_id: socket_object_id,
connection_id: connection_id,
connection_generation: connection_generation,
server_connection_id: server_connection_id,
service_id: service_id,
)
end
# Returns a concise yet useful summary of the event.
#
# @return [ String ] String summary of the event.
#
# @since 2.6.0
def inspect
"#<{#{self.class} #{database_name}.#{command_name} command=#{command}>"
end
end
end
end
end