[英]Setup resque / redis on separate server
我正在將我的Redis和重新派遣的工人拆分到一台新機器上。 以前,它們都在一台機器上運行-成功。
我為部署設置了上限,成功部署后,當我嘗試將一個resque作業排隊時,會在rails日志中看到以下內容:
==> shared/log/production.log <==
I, [2016-05-28T05:43:03.924222 #5769] INFO -- : Started GET "/photos/24803/rotate/180" for 127.0.0.1 at 2016-05-28 05:43:03 +0000
I, [2016-05-28T05:43:04.080861 #5769] INFO -- : Processing by PhotosController#rotate as HTML
I, [2016-05-28T05:43:04.081274 #5769] INFO -- : Parameters: {"id"=>"24803", "degrees"=>"180"}
D, [2016-05-28T05:43:04.183430 #5769] DEBUG -- : Photo Load (1.4ms) SELECT `photos`.* FROM `photos` WHERE `photos`.`id` = 24803 LIMIT 1
I, [2016-05-28T05:43:04.250844 #5769] INFO -- : Completed 500 Internal Server Error in 169ms (ActiveRecord: 22.1ms)
F, [2016-05-28T05:43:04.256268 #5769] FATAL -- :
Redis::CannotConnectError (Error connecting to Redis on localhost:6379 (Errno::ECONNREFUSED)):
app/models/photo.rb:109:in `rotate'
app/controllers/photos_controller.rb:106:in `rotate'
因此,我認為我的應用服務器無法獲得應將其用於“后端服務器”的功能。
我的配置:
我有運行op 192.168.2.102的應用程序服務器-除redis之外,所有內容均已安裝。 Redis安裝在192.168.2.103上
config / deploy.rb:
server '192.168.2.102', port: 22, roles: [:web, :app], primary: true
server '192.168.2.103', port: 22, roles: [:db, :resque_worker, :resque_scheduler]
set :repo_url, 'xxx'
set :application, 'xxx'
set :user, 'deploy'
set :puma_threads, [4, 16]
set :puma_workers, 0
set :workers, { "import" => 1, "utility" => 1 }
set :resque_environment_task, true
# Don't change these unless you know what you're doing
set :pty, true
set :use_sudo, false
set :stage, :production
set :deploy_via, :remote_cache
set :deploy_to, "/home/#{fetch(:user)}/apps/#{fetch(:application)}"
set :puma_bind, "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock"
set :puma_state, "#{shared_path}/tmp/pids/puma.state"
set :puma_pid, "#{shared_path}/tmp/pids/puma.pid"
set :puma_access_log, "#{release_path}/log/puma.error.log"
set :puma_error_log, "#{release_path}/log/puma.access.log"
set :ssh_options, { forward_agent: true, user: fetch(:user) }
set :puma_preload_app, true
set :puma_worker_timeout, nil
set :puma_init_active_record, true # Change to false when not using ActiveRecord
## Defaults:
set :scm, :git
set :branch, :master
# set :format, :pretty
# set :log_level, :debug
# set :keep_releases, 5
## Linked Files & Directories (Default None):
#set :linked_files, %w{db/production.sqlite3}
set :linked_dirs, %w{ log tmp/pids tmp/cache tmp/sockets public/system }
#set :bundle_binstubs, nil
namespace :puma do
desc 'Create Directories for Puma Pids and Socket'
task :make_dirs do
on roles(:app) do
execute "mkdir #{shared_path}/tmp/sockets -p"
execute "mkdir #{shared_path}/tmp/pids -p"
end
end
before :start, :make_dirs
end
namespace :deploy do
desc "Make sure local git is in sync with remote."
task :check_revision do
on roles(:app) do
unless `git rev-parse HEAD` == `git rev-parse origin/master`
puts "WARNING: HEAD is not the same as origin/master"
puts "Run `git push` to sync changes."
exit
end
end
end
desc 'Initial Deploy'
task :initial do
on roles(:app) do
before 'deploy:restart', 'puma:start'
invoke 'deploy'
end
end
desc 'Restart application'
task :restart do
on roles(:app), in: :sequence, wait: 5 do
invoke 'puma:restart'
end
end
before :starting, :check_revision
after :finishing, :compile_assets
after :finishing, :cleanup
after :finishing, :restart
end
after "deploy:restart", "resque:restart"
# ps aux | grep puma # Get puma pid
# kill -s SIGUSR2 pid # Restart puma
# kill -s SIGTERM pid # Stop puma
config / resque.yml:
development: localhost:6379
test: localhost:6379
production: 192.168.2.103:6379
config / initializers / resque.rb
rails_root = ENV['RAILS_ROOT'] || File.dirname(__FILE__) + '/../..'
rails_env = ENV['RAILS_ENV'] || 'development'
resque_config = YAML.load_file(rails_root + '/config/resque.yml')
Resque.redis = resque_config[rails_env]
Resque.logger = MonoLogger.new(File.open("#{Rails.root}/log/resque.log", "w+"))
Resque.logger.formatter = Resque::QuietFormatter.new
config / initializers / redis.rb:
$redis = Redis.new(:host => ENV["REDIS_HOST"], :port => ENV["REDIS_PORT"])
我不確定是否需要最后一個文件...
如果您認為我的connectio設置有問題,請不要再考慮了。 首先,Resque甚至沒有嘗試連接到正確的Redis。 其次,當我這樣做時:
...在192.168.2.103上:
deploy@raspberrypi:~/apps/phototank $ netstat -nlpt | grep 6379
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN -
tcp6 0 0 :::6379 :::* LISTEN -
...在192.168.2.102上:
deploy@raspberrypi:~/apps/phototank $ redis-cli -h 192.168.2.103 ping
PONG
____編輯____
如果我跑步
RAILS_ENV=development rails s
在我的開發機器上,一切工作正常……到底是什么?
問題所在:
config / initializers / resque.rb
rails_root = ENV['RAILS_ROOT'] || File.dirname(__FILE__) + '/../..'
rails_env = ENV['RAILS_ENV'] || 'development'
resque_config = YAML.load_file(rails_root + '/config/resque.yml')
Resque.redis = resque_config[rails_env]
Resque.logger = MonoLogger.new(File.open("#{Rails.root}/log/resque.log", "w+"))
Resque.logger.formatter = Resque::QuietFormatter.new
如果沒有其他定義,第二行將env設置為development ... env在該行之后設置...
我只是刪除了前兩行
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