discourse/config/initializers/101-lograge.rb

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if (Rails.env.production? && SiteSetting.logging_provider == 'lograge') || ENV["ENABLE_LOGRAGE"]
require 'lograge'
if Rails.configuration.multisite
Rails.logger.formatter = ActiveSupport::Logger::SimpleFormatter.new
end
Rails.application.configure do
config.lograge.enabled = true
Lograge.ignore(lambda do |event|
# this is our hijack magic status,
# no point logging this cause we log again
# direct from hijack
event.payload[:status] == 418
end)
config.lograge.custom_payload do |controller|
begin
username =
begin
controller.current_user&.username
rescue Discourse::InvalidAccess
nil
end
ip =
begin
controller.request.remote_ip
rescue ActionDispatch::RemoteIp::IpSpoofAttackError
nil
end
{
ip: ip,
username: username
}
rescue => e
Rails.logger.warn("Failed to append custom payload: #{e.message}\n#{e.backtrace.join("\n")}")
{}
end
end
config.lograge.custom_options = lambda do |event|
begin
exceptions = %w(controller action format id)
params = event.payload[:params].except(*exceptions)
params[:files].map!(&:headers) if params[:files]
output = {
params: params.to_query,
database: RailsMultisite::ConnectionManagement.current_db,
}
if data = (Thread.current[:_method_profiler] || event.payload[:timings])
sql = data[:sql]
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if sql
output[:db] = sql[:duration] * 1000
output[:db_calls] = sql[:calls]
end
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redis = data[:redis]
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if redis
output[:redis] = redis[:duration] * 1000
output[:redis_calls] = redis[:calls]
end
net = data[:net]
if net
output[:net] = net[:duration] * 1000
output[:net_calls] = net[:calls]
end
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end
output
rescue RateLimiter::LimitExceeded
# no idea who this is, but they are limited
{}
rescue => e
Rails.logger.warn("Failed to append custom options: #{e.message}\n#{e.backtrace.join("\n")}")
{}
end
end
if ENV["LOGSTASH_URI"]
config.lograge.formatter = Lograge::Formatters::Logstash.new
require 'discourse_logstash_logger'
config.lograge.logger = DiscourseLogstashLogger.logger(
uri: ENV['LOGSTASH_URI'], type: :rails
)
# Remove ActiveSupport::Logger from the chain and replace with Lograge's
# logger
Rails.logger.instance_variable_get(:@chained).pop
Rails.logger.chain(config.lograge.logger)
end
end
end