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holin/composer.rake

Last active December 23, 2020 10:09
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monit rails rake task
Raw
composer.rake
namespace :app do
desc "排版工作"
task :composer, [:start, :end] => :environment do |task, args|
keep_loop = true
puts "rake app:composer run. I have PID #{Process.pid}"
`echo "#{Process.pid}" > #{Rails.root}/tmp/composer.pid`
`echo "#{Process.ppid}" > #{Rails.root}/tmp/composer.ppid`
def shut_down
puts "\nShutting down gracefully..."
keep_loop = false
end
# Trap ^C
Signal.trap("INT") {
shut_down
exit
}
# Trap `Kill `
Signal.trap("TERM") {
shut_down
exit
}
while keep_loop
puts "\nbegin compose at #{Time.now}"
begin
check_and_compose
rescue => e
puts e.message
end
sleep 10 #seconds
end
end # task :composer
def check_and_compose
driver = Selenium::WebDriver.for(:remote, :url => Rails.configuration.hejiao.web_driver)
# set window size using Dimension struct
target_size = Selenium::WebDriver::Dimension.new(1600, 1000)
driver.manage.window.size = target_size
questions = Question.where(need_compose: true).order("id asc")
puts "#{questions.count} questions need compose"
questions.each do |q|
url = q.compose_url
puts "navigate to #{url}"
driver.navigate.to url
max_sleep_seconds = 100
current_sleep_seconds = 0
per_sleep_seconds = 5
keep_waiting = true
while keep_waiting
sleep per_sleep_seconds
current_sleep_seconds += per_sleep_seconds
question = Question.find(q.id)
if !question.need_compose
keep_waiting = false
else
keep_waiting = max_sleep_seconds > current_sleep_seconds
puts "current_sleep_seconds #{current_sleep_seconds}, keep_waiting #{keep_waiting}"
end
end
# save screenshot here for test
# filename = "/tmp/screenshots/#{q.id}_#{q.axx_id}.png"
# puts "save_screenshot to #{filename}"
# driver.save_screenshot(filename)
end
end
end
Raw
composer.sh
#!/bin/bash
export PATH=$PATH:/home/gsreader/.rvm/rubies/ruby-2.3.3/bin/
case $1 in
start)
cd /home/gsreader/site/courseware/current;
echo $$ > tmp/composer_master.pid
rake app:composer RAILS_ENV=production
;;
stop)
cd /home/gsreader/site/courseware/current;
kill `cat /tmp/composer.ppid`
kill `cat /tmp/composer.pid`
kill `cat /tmp/composer_master.pid`
rm -rf tmp/composer.pid
;;
*)
echo "usage: composer {start|stop}" ;;
esac
exit 0
Raw
monit-rails-rake-task.md
Raw
monitrc
check process composer with pidfile /home/gsreader/site/courseware/current/tmp/composer_master.pid
start program = "/home/gsreader/site/courseware/current/config/composer start"
stop program = "/home/gsreader/site/courseware/current/config/composer stop"
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