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nginx.conf部署Rails4：/socket/.unicorn.sock失败（2：没有这样的文件或目录），同时连接到上游
user nginx web;
pid /var/run/nginx.pid;
error_log /var/www/log/nginx.error.log;
events {
worker_connections 1024; # increase if you have lots of clients
accept_mutex off; # "on" if nginx worker_processes > 1
use epoll; # enable for Linux 2.6+
# use kqueue; # enable for FreeBSD, OSX
}
http {
# nginx will find this file in the config directory set at nginx build time
include mime.types;
types_hash_max_size 2048;
server_names_hash_bucket_size 64;
# fallback in case we can't determine a type
default_type application/octet-stream;
# click tracking!
access_log /var/www/log/nginx.access.log combined;
# you generally want to serve static files with nginx since neither
# Unicorn nor Rainbows! is optimized for it at the moment
sendfile on;
tcp_nopush on; # off may be better for *some* Comet/long-poll stuff
tcp_nodelay off; # on may be better for some Comet/long-poll stuff
# we haven't checked to see if Rack::Deflate on the app server is
# faster or not than doing compression via nginx. It's easier
# to configure it all in one place here for static files and also
# to disable gzip for clients who don't get gzip/deflate right.
# There are other gzip settings that may be needed used to deal with
# bad clients out there, see http://wiki.nginx.org/NginxHttpGzipModule
gzip on;
gzip_http_version 1.0;
gzip_proxied any;
gzip_min_length 0;
gzip_vary on;
gzip_disable "MSIE [1-6]\.";
gzip_proxied expired no-cache no-store private auth;
gzip_comp_level 9;
gzip_types text/plain text/xml text/css
text/comma-separated-values
text/javascript application/x-javascript
application/atom+xml;
# this can be any application server, not just Unicorn/Rainbows!
upstream app_server {
server unix:/var/www/apps/photoreal/socket/.unicorn.sock fail_timeout=0;
}
server {
# PageSpeed
pagespeed on;
pagespeed FileCachePath /var/ngx_pagespeed_cache;
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
add_header "" "";
}
location ~ "^/ngx_pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
location /ngx_pagespeed_statistics {
allow 127.0.0.1; allow 5.228.169.73; deny all;
}
location /ngx_pagespeed_global_statistics {
allow 127.0.0.1; allow 5.228.169.73; deny all;
}
pagespeed MessageBufferSize 100000;
location /ngx_pagespeed_message {
allow 127.0.0.1; allow 5.228.169.73; deny all;
}
location /pagespeed_console {
allow 127.0.0.1; allow 5.228.169.73; deny all;
}
charset utf-8;
# enable one of the following if you're on Linux or FreeBSD
listen 80 default deferred; # for Linux
# listen 80 default accept_filter=httpready; # for FreeBSD
# If you have IPv6, you'll likely want to have two separate listeners.
# One on IPv4 only (the default), and another on IPv6 only instead
# of a single dual-stack listener. A dual-stack listener will make
# for ugly IPv4 addresses in $remote_addr (e.g ":ffff:10.0.0.1"
# instead of just "10.0.0.1") and potentially trigger bugs in
# some software.
# listen [::]:80 ipv6only=on; # deferred or accept_filter recommended
client_max_body_size 4G;
server_name _;
# ~2 seconds is often enough for most folks to parse HTML/CSS and
# retrieve needed images/icons/frames, connections are cheap in
# nginx so increasing this is generally safe...
keepalive_timeout 5;
# path for static files
root /var/www/apps/photoreal/current/public;
# Prefer to serve static files directly from nginx to avoid unnecessary
# data copies from the application server.
#
# try_files directive appeared in in nginx 0.7.27 and has stabilized
# over time. Older versions of nginx (e.g. 0.6.x) requires
# "if (!-f $request_filename)" which was less efficient:
# http://bogomips.org/unicorn.git/tree/examples/nginx.conf?id=v3.3.1#n127
try_files $uri/index.html $uri.html $uri @app;
location ~ ^/(assets)/ {
root /var/www/apps/photoreal/current/public;
expires max;
add_header Cache-Control public;
}
location @app {
# an HTTP header important enough to have its own Wikipedia entry:
# http://en.wikipedia.org/wiki/X-Forwarded-For
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
# enable this if you forward HTTPS traffic to unicorn,
# this helps Rack set the proper URL scheme for doing redirects:
# proxy_set_header X-Forwarded-Proto $scheme;
# pass the Host: header from the client right along so redirects
# can be set properly within the Rack application
proxy_set_header Host $http_host;
# we don't want nginx trying to do something clever with
# redirects, we set the Host: header above already.
proxy_redirect off;
# set "proxy_buffering off" *only* for Rainbows! when doing
# Comet/long-poll/streaming. It's also safe to set if you're using
# only serving fast clients with Unicorn + nginx, but not slow
# clients. You normally want nginx to buffer responses to slow
# clients, even with Rails 3.1 streaming because otherwise a slow
# client can become a bottleneck of Unicorn.
#
# The Rack application may also set "X-Accel-Buffering (yes|no)"
# in the response headers do disable/enable buffering on a
# per-response basis.
# proxy_buffering off;
proxy_pass http://app_server;
}
# Rails error pages
error_page 500 502 503 504 /500.html;
location = /500.html {
root /var/www/apps/photoreal/current/public;
}
}
}
deploy.rb：
# config valid only for Capistrano 3.1
lock '3.2.1'
set :repo_url, '...'
set :application, 'photoreal'
application = 'photoreal'
set :rvm_type, :user
set :rvm_ruby_version, ' 2.0.0'
set :deploy_to, '/var/www/apps/photoreal'
set :rails_env, 'production'
namespace :foreman do
desc 'Start server'
task :start do
on roles(:all) do
sudo "start #{application}"
end
end
desc 'Stop server'
task :stop do
on roles(:all) do
sudo "stop #{application}"
end
end
desc 'Restart server'
task :restart do
on roles(:all) do
sudo "restart #{application}"
end
end
desc 'Server status'
task :status do
on roles(:all) do
execute "initctl list | grep #{application}"
end
end
end
namespace :git do
desc 'Deploy'
task :deploy do
ask(:message, "Commit message?")
run_locally do
execute "git add -A"
execute "git commit -m '#{fetch(:message)}'"
execute "git push"
end
end
end
# Default branch is :master
# ask :branch, proc { `git rev-parse --abbrev-ref HEAD`.chomp }.call
# Default deploy_to directory is /var/www/my_app
# set :deploy_to, '/var/www/my_app'
# Default value for :scm is :git
# set :scm, :git
# Default value for :format is :pretty
# set :format, :pretty
# Default value for :log_level is :debug
# set :log_level, :debug
# Default value for :pty is false
# set :pty, true
# Default value for :linked_files is []
# set :linked_files, %w{config/database.yml}
# Default value for linked_dirs is []
# set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system}
# Default value for default_env is {}
# set :default_env, { path: "/opt/ruby/bin:$PATH" }
# Default value for keep_releases is 5
# set :keep_releases, 5
namespace :deploy do
desc 'Setup'
task :setup do
on roles(:all) do
execute "mkdir #{shared_path}/config/"
execute "mkdir /var/www/apps/#{application}/run/"
execute "mkdir /var/www/apps/#{application}/log/"
execute "mkdir /var/www/apps/#{application}/socket/"
execute "mkdir #{shared_path}/system"
sudo "ln -s /var/log/upstart /var/www/log/upstart"
upload!('shared/database.yml', "#{shared_path}/config/database.yml")
upload!('shared/Procfile', "#{shared_path}/Procfile")
upload!('shared/nginx.conf', "#{shared_path}/nginx.conf")
#sudo 'sudo initctl stop nginx'
sudo "rm -f /usr/local/nginx/conf/nginx.conf"
sudo "ln -s #{shared_path}/nginx.conf /usr/local/nginx/conf/nginx.conf"
#sudo 'sudo initctl start nginx'
within release_path do
with rails_env: fetch(:rails_env) do
execute :rake, "db:create"
end
end
end
end
desc 'Create symlink'
task :symlink do
on roles(:all) do
execute "ln -s #{shared_path}/config/database.yml #{release_path}/config/database.yml"
execute "ln -s #{shared_path}/Procfile #{release_path}/Procfile"
execute "ln -s #{shared_path}/system #{release_path}/public/system"
end
end
desc 'Foreman init'
task :foreman_init do
on roles(:all) do
foreman_temp = "/var/www/tmp/foreman"
execute "mkdir -p #{foreman_temp}"
# Создаем папку current для того, чтобы foreman создавал upstart файлы с правильными путями
execute "ln -s #{release_path} #{current_path}"
within current_path do
execute "cd #{current_path}"
execute :bundle, "exec foreman export upstart #{foreman_temp} -a #{application} -u deployer -l /var/www/apps/#{application}/log -d #{current_path}"
end
sudo "mv #{foreman_temp}/* /etc/init/"
sudo "rm -r #{foreman_temp}"
end
end
desc 'Restart application'
task :restart do
on roles(:app), in: :sequence, wait: 5 do
sudo "restart #{application}"
end
end
after :finishing, 'deploy:cleanup'
after :finishing, 'deploy:restart'
after :updating, 'deploy:symlink'
after :setup, 'deploy:foreman_init'
after :foreman_init, 'foreman:start'
before :foreman_init, 'rvm:hook'
before :setup, 'deploy:starting'
before :setup, 'deploy:updating'
before :setup, 'bundler:install'
end
独角兽。 RB：
worker_processes 2
working_directory "/var/www/apps/photoreal/current" # available in 0.94.0+
# listen on both a Unix domain socket and a TCP port,
# we use a shorter backlog for quicker failover when busy
listen "/var/www/apps/photoreal/socket/.unicorn.sock", :backlog => 64
listen 8080, :tcp_nopush => true
# nuke workers after 30 seconds instead of 60 seconds (the default)
timeout 30
# feel free to point this anywhere accessible on the filesystem
pid "/var/www/apps/photoreal/run/unicorn.pid"
# By default, the Unicorn logger will write to stderr.
# Additionally, ome applications/frameworks log to stderr or stdout,
# so prevent them from going to /dev/null when daemonized here:
stderr_path "/var/www/apps/photoreal/log/unicorn.stderr.log"
stdout_path "/var/www/apps/photoreal/log/unicorn.stdout.log"
# combine Ruby 2.0.0dev or REE with "preload_app true" for memory savings
# http://rubyenterpriseedition.com/faq.html#adapt_apps_for_cow
preload_app true
GC.respond_to?(:copy_on_write_friendly=) and
GC.copy_on_write_friendly = true
# Enable this flag to have unicorn test client connections by writing the
# beginning of the HTTP headers before calling the application. This
# prevents calling the application for connections that have disconnected
# while queued. This is only guaranteed to detect clients on the same
# host unicorn runs on, and unlikely to detect disconnects even on a
# fast LAN.
check_client_connection false
before_fork do |server, worker|
# the following is highly recomended for Rails + "preload_app true"
# as there's no need for the master process to hold a connection
defined?(ActiveRecord::Base) and
ActiveRecord::Base.connection.disconnect!
# The following is only recommended for memory/DB-constrained
# installations. It is not needed if your system can house
# twice as many worker_processes as you have configured.
#
# # This allows a new master process to incrementally
# # phase out the old master process with SIGTTOU to avoid a
# # thundering herd (especially in the "preload_app false" case)
# # when doing a transparent upgrade. The last worker spawned
# # will then kill off the old master process with a SIGQUIT.
old_pid = "#{server.config[:pid]}.oldbin"
if old_pid != server.pid
begin
sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
Process.kill(sig, File.read(old_pid).to_i)
rescue Errno::ENOENT, Errno::ESRCH
end
end
#
# Throttle the master from forking too quickly by sleeping. Due
# to the implementation of standard Unix signal handlers, this
# helps (but does not completely) prevent identical, repeated signals
# from being lost when the receiving process is busy.
# sleep 1
end
after_fork do |server, worker|
# per-process listener ports for debugging/admin/migrations
# addr = "127.0.0.1:#{9293 + worker.nr}"
# server.listen(addr, :tries => -1, :delay => 5, :tcp_nopush => true)
# the following is *required* for Rails + "preload_app true",
defined?(ActiveRecord::Base) and
ActiveRecord::Base.establish_connection
# if preload_app is true, then you may also want to check and
# restart any other shared sockets/descriptors such as Memcached,
# and Redis. TokyoCabinet file handles are safe to reuse
# between any number of forked children (assuming your kernel
# correctly implements pread()/pwrite() system calls)
end
nginx.error：
2014/09/01 08:02:46 [crit] 4697＃0：* 1连接（）到unix：/var/www/apps/photoreal/socket/.unicorn.sock失败（2：没有这样的文件或目录）当连接到上游时，客户端：178.76.217.203，服务器：_，请求：“GET/HTTP/1.1”，上游：“http：// unix：/var/www/apps/photoreal/socket/.unicorn.sock： /”，主持人： “45.65.32.1”
控制台：
$ netstat -an | grep unicorn
$ ps aux | grep unicorn
deployer 5061 0.0 0.0 2268 660 pts/0 S+ 08:12 0:00 grep --color=auto unicorn