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# frozen_string_literal: true
# rubocop:todo all
require 'mrss/event_subscriber'
module Unified
class EventSubscriber < Mrss::EventSubscriber
def ignore_commands(command_names)
@ignore_commands = command_names
end
def wanted_events(observe_sensitive = false)
events = all_events.select do |event|
kind = event.class.name.sub(/.*::/, '').sub('Command', '').gsub(/([A-Z])/) { "_#{$1}" }.sub(/^_/, '').downcase.to_sym
@wanted_events[kind]
end.select do |event|
if event.respond_to?(:command_name)
event.command_name != 'configureFailPoint' &&
if @ignore_commands
!@ignore_commands.include?(event.command_name)
else
true
end
else
true
end
end
if observe_sensitive
events
else
events.reject do |event|
if event.respond_to?(:command_name)
# event could be a command started event or command succeeded event
command = event.respond_to?(:command) ? event.command : event.started_event.command
%w(authenticate getnonce saslStart saslContinue).include?(event.command_name) ||
# if the command is empty that means we used speculativeAuth and we should
# reject the event.
(%w(hello ismaster isMaster).include?(event.command_name) && command.empty?)
end
end
end
end
def add_wanted_events(kind)
@wanted_events ||= {}
@wanted_events[kind] = true
end
end
class StoringEventSubscriber
def initialize(&block)
@handler = block
end
def started(event)
@handler.call(
'name' => event.class.name.sub(/.*::/, '') + 'Event',
'commandName' => event.command_name,
'databaseName' => event.database_name,
'observedAt' => Time.now.to_f,
'address' => event.address.seed,
'requestId' => event.request_id,
'operationId' => event.operation_id,
'connectionId' => event.connection_id,
)
end
def succeeded(event)
@handler.call(
'name' => event.class.name.sub(/.*::/, '') + 'Event',
'commandName' => event.command_name,
'duration' => event.duration,
'observedAt' => Time.now.to_f,
'address' => event.address.seed,
'requestId' => event.request_id,
'operationId' => event.operation_id,
)
end
def failed(event)
@handler.call(
'name' => event.class.name.sub(/.*::/, '') + 'Event',
'commandName' => event.command_name,
'duration' => event.duration,
'failure' => event.failure,
'observedAt' => Time.now.to_f,
'address' => event.address.seed,
'requestId' => event.request_id,
'operationId' => event.operation_id,
)
end
def published(event)
payload = {
'name' => event.class.name.sub(/.*::/, '') + 'Event',
'observedAt' => Time.now.to_f,
'address' => event.address.seed,
}.tap do |entry|
if event.respond_to?(:connection_id)
entry['connectionId'] = event.connection_id
end
if event.respond_to?(:reason)
entry['reason'] = event.reason
end
end
@handler.call(payload)
end
end
end
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