ruby – Capistrano 3改变任务中的ssh_options
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我尝试使用不同的ssh_options在同一阶段运行capistrano v.3任务.
我的production.rb说: set :stage,:production
set :user,'deploy'
set :ssh_options,{ user: 'deploy' }
通过这种配置,capistrano与用户部署连接,这对于其余的用户来说是正确的.但是我需要将一个特定任务与一个在服务器中配置良好的an_other_user连接起来. ...
tasks with original user
...
task :my_task_with_an_other_user do
set :user,'an_other_user'
set :ssh_options,{ user: 'an_other_user' }
on roles(:all) do |host|
execute :mkdir,'-p','mydir'
end
end
...
other tasks with original user
...
执行时:
capistrano使ssh conexion与original:user“deploy”(在production.rb中声明的用户). 如何在任务中更改用户和/或ssh_options? 解决方法
卡皮斯特拉诺3
我很难找到解决方案.但是解决方案比版本2好得多.Cap团队做得很好.确保你已将Capistrano更新为3.2.x这就是诀窍: # in config/deploy/production.rb,or config/deploy/staging.rb
# These roles are used for deployment that works with Cap hooks
role :app,%w{deploy@myserver.com}
role :web,%w{deploy@myserver.com}
role :db,%w{deploy@myserver.com}
# Use additional roles to run side job out side Capistrano hooks
# 'foo' is another ssh user for none-release purpose tasks (mostly root tasks).
# e.g. user 'deploy' does not have root permission,but 'foo' has root permission.
# 'no_release' flag is important to flag this user will skip some standard hooks
# (e.g. scm/git/svn checkout )
role :foo_role,%w{foo@myserver.com},no_release: true
确保’部署’和’ ‘foo’用户可以进入框中.在您的任务中,使用on关键字: task :restart do
on roles(:foo_role) do
sudo "service nginx restart"
end
end
task :other_standard_deployment_tasks do
on release_roles(:all) do
# ...
end
end
其他陷阱: 确保某些Capistrano任务跳过您添加的其他无释放角色.否则,它可能会在部署期间导致文件权限问题.例如. capistrano / bundler扩展需要覆盖默认的bundler_roles set :bundler_roles,%w(web app db) # excludes the no release role. >阅读更多关于no_release标志:related Github issue. 卡皮斯特拉诺2 我曾经有一个自定义函数来关闭和重新连接ssh会话. >参考Paul Gross’s Blog 将以下方法放在deploy.rb中.调用with_user来切换ssh会话.稍微简化的版本: def with_user(new_user,&block)
old_user = user
set :user,new_user
close_sessions
yield
set :user,old_user
close_sessions
end
def close_sessions
sessions.values.each { |session| session.close }
sessions.clear
end
用法: task :update_nginx_config,:roles => :app do
with_user "root" do
sudo "nginx -s reload"
end
end
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