这是我在 config/deploy 中的 production.rb
Instance Details
server '198.61.179.237', :web, :app, :db, primary: true
server '198.61.228.160', :file_server
# Rails Environment
set :rails_env, 'production'
来自 deploy.rb
namespace :check do
task :function_1, :roles => :web do
puts 'function_1'
end
task :function_2, :roles => :file_server do
puts 'filesssss'
end
end
但是当我尝试做的时候
cap HOSTS=198.61.228.160 production check:function_2
cap HOSTS=198.61.228.160 production check:function_1
cap HOSTS=198.61.179.237 production check:function_2
cap HOSTS=198.61.179.237 production check:function_1
他们每个人都给出了各自的输出。但根据声明
function_1
应该只对 :role => :web
有效,同样 function_2
应该只对 :role => 有效:文件服务器
。
我哪里错了? 什么是正确的接近方式?
最佳答案
我相信你想要的是 cap HOSTFILTER=198.61.228.160 function_2
或 cap HOSTFILTER=198.61.179.237 function_1
这是因为 HOSTFILTER 检查所有具有函数角色的服务器和您要查找的服务器的交集。可以找到很好的解释 here通过 Pete Hodgson
我们也可以从手册中看到这一点:
$ cap -H
HOSTS
Execute the tasks against this comma-separated list of hosts.
Effectively, this makes the host(s) part of every roles.
HOSTFILTER
Execute tasks against this comma-separated list of host,
but only if the host has the proper role for the task.
HOSTROLEFILTER
Execute tasks against the hosts in this comma-separated list of roles,
but only if the host has the proper role for the task.
ROLES
Execute tasks against this comma-separated list of roles. Hosts which
do not have the right roles will be skipped.
关于ruby-on-rails - 如何创建角色并为特定角色运行 Capistrano 任务?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22628208/