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jphenow/deploy.rake

Forked from njvitto/deploy.rake
Last active Dec 18, 2015
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#Deploy and rollback on Heroku in staging and production
%w[staging production].each do |app|
desc "Deploy to #{app}"
task "deploy:#{app}" => %W[deploy:set_#{app}_app deploy:push deploy:restart deploy:tag]
desc "Deploy #{app} with migrations"
task "deploy:#{app}:migrations" => %W[deploy:set_#{app}_app deploy:push deploy:off deploy:migrate deploy:restart deploy:on deploy:tag]
desc "Rollback staging"
task "staging:rollback" => [:set_staging_app, :off, :push_previous, :restart, :on]
%w[logs config ps releases].each do |app_task|
desc "#{app} #{app_task}"
task "app:#{app}:#{app_task}" => ["deploy:set_#{app}_app", "app:#{app_task}"]
end
end
namespace :deploy do
PRODUCTION_APP = 'YOUR_PRODUCTION_APP_NAME_ON_HEROKU'
STAGING_APP = 'YOUR_STAGING_APP_NAME_ON_HEROKU'
task :set_staging_app do
raise "NOT SET" if !STAGING_APP || STAGING_APP.empty? || STAGING_APP == 'YOUR_STAGING_APP_NAME_ON_HEROKU'
APP = STAGING_APP
end
task :set_production_app do
raise "NOT SET" if !PRODUCTION_APP || PRODUCTION_APP.empty? || PRODUCTION_APP == 'YOUR_PRODUCTION_APP_NAME_ON_HEROKU'
APP = PRODUCTION_APP
end
task :push do
git_status = `git status -v`
abort("local branch is out of sync with github origin. please push there first") if git_status.match(/\*[^\]]+?\[ahead|behind/s) != nil
current_branch = `git rev-parse --abbrev-ref HEAD`.chomp
current_branch += ":master" if current_branch != "master"
puts "Deploying #{current_branch} to #{APP} ..."
puts `git push -f git@heroku.com:#{APP}.git #{current_branch}`
end
task :restart do
puts 'Restarting app servers ...'
Bundler.with_clean_env do
puts `heroku restart --app #{APP}`
end
end
task :tag do
release_name = "#{APP}-release-#{Time.now.utc.strftime("%Y%m%d%H%M%S")}"
puts "Tagging release as '#{release_name}'"
puts `git tag -a #{release_name} -m 'Tagged release'`
puts `git push --tags git@heroku.com:#{APP}.git`
puts `git push --tags origin`
end
task :migrate do
puts 'Running database migrations ...'
Bundler.with_clean_env do
puts `heroku rake db:migrate --app #{APP}`
end
end
task :off do
puts 'Putting the app into maintenance mode ...'
Bundler.with_clean_env do
puts `heroku maintenance:on --app #{APP}`
end
end
task :on do
puts 'Taking the app out of maintenance mode ...'
Bundler.with_clean_env do
puts `heroku maintenance:off --app #{APP}`
end
end
task :push_previous do
prefix = "#{APP}-release-"
releases = `git tag`.split("\n").select { |t| t[0..prefix.length-1] == prefix }.sort
current_release = releases.last
previous_release = releases[-2] if releases.length >= 2
if previous_release
puts "Rolling back to '#{previous_release}' ..."
puts "Checking out '#{previous_release}' in a new branch on local git repo ..."
puts `git checkout #{previous_release}`
puts `git checkout -b #{previous_release}`
puts "Removing tagged version '#{previous_release}' (now transformed in branch) ..."
puts `git tag -d #{previous_release}`
puts `git push git@heroku.com:#{APP}.git :refs/tags/#{previous_release}`
puts "Pushing '#{previous_release}' to Heroku master ..."
puts `git push git@heroku.com:#{APP}.git +#{previous_release}:master --force`
puts "Deleting rollbacked release '#{current_release}' ..."
puts `git tag -d #{current_release}`
puts `git push git@heroku.com:#{APP}.git :refs/tags/#{current_release}`
puts "Retagging release '#{previous_release}' in case to repeat this process (other rollbacks)..."
puts `git tag -a #{previous_release} -m 'Tagged release'`
puts `git push --tags git@heroku.com:#{APP}.git`
puts "Turning local repo checked out on master ..."
puts `git checkout master`
puts 'All done!'
else
puts "No release tags found - can't roll back!"
puts releases
end
end
end
namespace :app do
task :logs do
puts "tailing logs..."
Bundler.clean_exec "heroku logs --tail --app #{APP}"
end
task :config do
puts "config..."
Bundler.with_clean_env do
puts `heroku config --app #{APP}`
end
end
task :ps do
puts "running processes..."
Bundler.with_clean_env do
puts `heroku ps --app #{APP}`
end
end
task :releases do
puts "releases..."
Bundler.with_clean_env do
puts `heroku releases --app #{APP}`
end
end
end
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