app/controllers/misc_controller.rb
require "fluent/version"
require "zip"
class MiscController < ApplicationController
after_action :update!, only: [:update_fluentd_ui]
helper_method :env_items
def show
redirect_to misc_information_path
end
def information
@env = ENV
@plugins = Plugin.installed
end
def update_fluentd_ui
@current_pid = $$
render "update_fluentd_ui", layout: "sign_in"
end
def upgrading_status
if FluentdUiRestartJob::LOCK.present?
return render text: "updating"
end
if $$.to_s == params[:old_pid]
# restarting fluentd-ui is finished, but PID doesn't changed.
# maybe error occured at FluentdUiRestart#perform
render text: "failed"
else
render text: "finished"
end
end
def download_info
fluentd = Fluentd.instance
path = Rails.root.join("tmp/system_info.zip")
File.unlink(path) if File.exists?(path)
Zip::File.open(path, Zip::File::CREATE) do |zip|
zip.get_output_stream('fluentd.log') {|f| f.puts fluentd.agent.log.read }
zip.add("fluentd-ui.log", log_path)
add_env_file_to(zip)
add_version_file_to(zip)
end
send_file path
end
private
def log_path
ENV["FLUENTD_UI_LOG_PATH"] || Rails.root.join("log/#{Rails.env}.log")
end
def add_env_file_to(zip)
zip.get_output_stream('env.txt') do |f|
ENV.to_a.each do |(key, value)|
f.puts "#{key}=#{value}"
end
end
end
def add_version_file_to(zip)
zip.get_output_stream('versions.txt') do |f|
f.puts "ruby: #{RUBY_DESCRIPTION}"
f.puts "fluentd: #{FluentdUI.fluentd_version}"
f.puts "fluentd-ui: #{FluentdUI::VERSION}"
f.puts
f.puts "# OS Information"
f.puts "uname -a: #{`uname -a`.strip}"
end
end
def update!
FluentdUiRestart.perform_later
end
def env_items
@env.map do |key, value|
{ key: key, value: value }
end
end
end