ruby-on-rails – 如何使用Chef预先编译资产?

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OpsWorks不会在部署时预编译资源.我在 this thread发现这个食谱,但我认为这不完整,或者缺少一些东西,因为我发现没有发现release_path的错误.

precompile.rb:

Chef::Log.info("Running deploy/before_migrate.rb...")

Chef::Log.info("Symlinking #{release_path}/public/assets to #{new_resource.deploy_to}/shared/assets")

link "#{release_path}/public/assets" do
  to "#{new_resource.deploy_to}/shared/assets"
end

rails_env = new_resource.environment["RAILS_ENV"]
Chef::Log.info("Precompiling assets for RAILS_ENV=#{rails_env}...")

execute "rake assets:precompile" do
  cwd release_path
  command "bundle exec rake assets:precompile"
  environment "RAILS_ENV" => rails_env
end

日志:

undefined local variable or method `release_path' for ....

有任何想法吗?我根本不知道厨师,我正在试图弄清楚这一点.

解决方法

在OpsWorks开始使用资产管道之前,您可以这样做.
在rails应用程序中创建一个包含以下内容的deploy / before_symlink.rb文件.
run "cd #{release_path} && RAILS_ENV=production bundle exec rake assets:precompile"

如果将Rails应用程序部署到其他环境,请更改RAILS_ENV.

如果您使用Nginx / Unicorn堆栈,则必须修改/资产资源.
只需将以下内容复制到您的食谱中的名为unicorn / templates / default / Nginx_unicorn_web_app.erb的文件中即可.

upstream unicorn_<%= @application[:domains].first %> {
 server unix:<%= @application[:deploy_to]%>/shared/sockets/unicorn.sock fail_timeout=0;
}

server {
  listen 80;
  server_name <%= @application[:domains].join(" ") %> <%= node[:hostname] %>;
  access_log <%= node[:Nginx][:log_dir] %>/<%= @application[:domains].first %>.access.log;

  keepalive_timeout 5;

  root <%= @application[:absolute_document_root] %>;

  <% if @application[:Nginx] && @application[:Nginx][:client_max_body_size] %>
    client_max_body_size <%= @application[:Nginx][:client_max_body_size] %>;
  <% end %>

  location / {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;

    # If you don't find the filename in the static files
    # Then request it from the unicorn server
    if (!-f $request_filename) {
      proxy_pass http://unicorn_<%= @application[:domains].first %>;
      break;
    }
  }

  location /Nginx_status {
    stub_status on;
    access_log off;
    allow 127.0.0.1;
    deny all;
  }

  location ~ ^/assets/ {
    expires 1y;
    add_header Cache-Control public;

    add_header ETag "";
    break;
  }

  error_page 500 502 503 504 /500.html;
  location = /500.html {
    root <%= @application[:absolute_document_root] %>;
  }
}

<% if @application[:ssl_support] %>
server {
  listen   443;
  server_name <%= @application[:domains].join(" ") %> <%= node[:hostname] %>;
  access_log <%= node[:Nginx][:log_dir] %>/<%= @application[:domains].first %>-ssl.access.log;

  ssl on;
  ssl_certificate /etc/Nginx/ssl/<%= @application[:domains].first %>.crt;
  ssl_certificate_key /etc/Nginx/ssl/<%= @application[:domains].first %>.key;
  <% if @application[:ssl_certificate_ca] -%>
  ssl_client_certificate /etc/Nginx/ssl/<%= @application[:domains].first %>.ca;
  <% end -%>

  keepalive_timeout 5;

  root <%= @application[:absolute_document_root] %>;

  <% if @application[:Nginx] && @application[:Nginx][:client_max_body_size] %>
    client_max_body_size <%= @application[:Nginx][:client_max_body_size] %>;
  <% end %>

  location / {
    proxy_set_header X-Forwarded-Proto https;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;

    # If you don't find the filename in the static files
    # Then request it from the unicorn server
    if (!-f $request_filename) {
      proxy_pass http://unicorn_<%= @application[:domains].first %>;
      break;
    }
  }

  location ~ ^/assets/ {
    expires 1y;
    add_header Cache-Control public;

    add_header ETag "";
    break;
  }

  error_page 500 502 503 504 /500.html;
  location = /500.html {
    root <%= @application[:absolute_document_root] %>;
  }
}
<% end %>

如果您使用Apache2 / Passenger堆栈,则必须修改/ assets资源.
只需将以下内容复制到名为的文件中即可
在您的食谱中的passenger_apache2 / templates / default / web_app.conf.erb.

<VirtualHost *:80>
  ServerName <%= @params[:server_name] %>
  <% if @params[:server_aliases] && !@params[:server_aliases].empty? -%>
  ServerAlias <% @params[:server_aliases].each do |a| %><%= "#{a}" %> <% end %>
  <% end -%>

  <% if @params[:mounted_at] -%>
  DocumentRoot /var/www
  <%= @params[:deploy][:passenger_handler] -%>BaseURI <%= @params[:mounted_at] %>
  <% else -%>
  DocumentRoot <%= @params[:docroot] %>
  <%= @params[:deploy][:passenger_handler] -%>BaseURI /
  <% end -%>
  <%= @params[:deploy][:passenger_handler] -%>Env <%= @params[:rails_env] %>

  <Directory <%= @params[:docroot] %>>
    Options FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
  </Directory>

  <Directory ~ "\.svn">
    Order allow,deny
    Deny from all
  </Directory>

  <Directory ~ "\.git">
    Order allow,deny
    Deny from all
  </Directory>

  <LocationMatch "^/assets/.*$">
    Header unset ETag
    FileETag None
    # RFC says only cache for 1 year
    ExpiresActive On
    ExpiresDefault "access plus 1 year"
  </LocationMatch>

  LogLevel info
  ErrorLog <%= node[:apache][:log_dir] %>/<%= @params[:name] %>-error.log
  CustomLog <%= node[:apache][:log_dir] %>/<%= @params[:name] %>-access.log combined
  CustomLog <%= node[:apache][:log_dir] %>/<%= @params[:name] %>-ganglia.log ganglia

  FileETag none

  RewriteEngine On
  Include <%= @params[:rewrite_config] %>*
  RewriteLog <%= node[:apache][:log_dir] %>/<%= @application_name %>-rewrite.log
  RewriteLogLevel 0

  # Canonical host
  #RewriteCond %{HTTP_HOST}   !^<%= @params[:server_name] %> [NC]
  #RewriteCond %{HTTP_HOST}   !^$
  #RewriteRule ^/(.*)$       http://<%= @params[:server_name] %>/$1 [L,R=301]

  RewriteCond %{REQUEST_URI} !\.(css|gif|jpg|jpeg|png)$
  RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f
  RewriteCond %{SCRIPT_FILENAME} !maintenance.html
  RewriteRule ^.*$/system/maintenance.html [L]

  Include <%= @params[:local_config] %>*
</VirtualHost>

<% if node[:deploy][@application_name][:ssl_support] -%>
<VirtualHost *:443>
  ServerName <%= @params[:server_name] %>
  <% if @params[:server_aliases] && !@params[:server_aliases].empty? -%>
  ServerAlias <% @params[:server_aliases].each do |a| %><%= "#{a}" %> <% end %>
  <% end -%>

  SSLEngine on
  SSLProxyEngine on
  SSLCertificateFile <%= node[:apache][:dir] %>/ssl/<%= @params[:server_name] %>.crt
  SSLCertificateKeyFile <%= node[:apache][:dir] %>/ssl/<%= @params[:server_name] %>.key
  <% if @params[:ssl_certificate_ca] -%>
  SSLCACertificateFile <%= node[:apache][:dir] %>/ssl/<%= @params[:server_name] %>.ca
  <% end -%>
  SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown downgrade-1.0 force-response-1.0

  <% if @params[:mounted_at] -%>
  DocumentRoot /var/www
  <%= @params[:deploy][:passenger_handler] -%>BaseURI <%= @params[:mounted_at] %>
  <% else -%>
  DocumentRoot <%= @params[:docroot] %>
  <%= @params[:deploy][:passenger_handler] -%>BaseURI /
  <% end -%>
  <%= @params[:deploy][:passenger_handler] -%>Env <%= @params[:rails_env] %>

  <Directory <%= @params[:docroot] %>>
    Options FollowSymLinks
    AllowOverride All
    Order allow,deny
    Deny from all
  </Directory>

  <LocationMatch "^/assets/.*$">
    Header unset ETag
    FileETag None
    # RFC says only cache for 1 year
    ExpiresActive On
    ExpiresDefault "access plus 1 year"
  </LocationMatch>

  LogLevel info
  ErrorLog <%= node[:apache][:log_dir] %>/<%= @params[:name] %>-ssl-error.log
  CustomLog <%= node[:apache][:log_dir] %>/<%= @params[:name] %>-ssl-access.log combined
  CustomLog <%= node[:apache][:log_dir] %>/<%= @params[:name] %>-ssl-ganglia.log ganglia

  FileETag none

  RewriteEngine On
  Include <%= @params[:rewrite_config] %>-ssl*
  RewriteLog <%= node[:apache][:log_dir] %>/<%= @application_name %>-ssl-rewrite.log
  RewriteLogLevel 0

  # Canonical host
  #RewriteCond %{HTTP_HOST}   !^<%= @params[:server_name] %> [NC]
  #RewriteCond %{HTTP_HOST}   !^$
  #RewriteRule ^/(.*)$       http://<%= @params[:server_name] %>/$1 [L,R=301]

  RewriteCond %{REQUEST_URI} !\.(css|gif|jpg|jpeg|png)$
  RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f
  RewriteCond %{SCRIPT_FILENAME} !maintenance.html
  RewriteRule ^.*$/system/maintenance.html [L]

  Include <%= @params[:local_config] %>-ssl*
</VirtualHost>
<% end -%>

如果您有任何疑问,请随时问.

最好
丹尼尔

编辑:

或者你只是复制这本食谱https://github.com/neonlex/massive-octo-computing-machine我开发得很快.但是OpsWorks应该在将来默认情况下支持这一点.

原文链接:https://www.f2er.com/ruby/272215.html

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