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ruby-on-rails -/config/database.yml in .gitignore on deploy/config/database.yml not found 应该使用/shared/database.yml 代替,如何?

转载 作者:行者123 更新时间:2023-12-04 19:15:48 25 4
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我遵循了 cap + nginx + unicorn 上的文档,但在理解如何正确进行数据库部署时遇到了一些问题。

  • /config/database.yml 不应该在 git repo 中(最好)
  • 在/shared/database.yml 中的生产服务器上放置 database.yml
  • 问题是在部署时它仍然在寻找/config/database.yml

  • 我怎样才能让我的 deploy.rb 获取/shared/database.yml 呢?
    搜索高低无济于事:(

    部署.rb
        # config/deploy.rb
    require "bundler/capistrano"

    set :scm, :git
    set :repository, "root@109.etc:/srv/paintings.git"
    set :branch, "origin/master"
    set :migrate_target, :current
    set :ssh_options, {:forward_agent => true}
    set :rails_env, "production"
    set :deploy_to, "/srv/paintings"
    set :normalize_asset_timestamps, false

    set :user, "root"
    set :group, ""
    set :use_sudo, true
    default_run_options[:pty] = true

    set :port, 5984
    ssh_options[:port] = 5984


    role :web, "109.etc"
    role :app, "109.etc"
    role :db, "109.etc", :primary => true

    set(:latest_release) { fetch(:current_path) }
    set(:release_path) { fetch(:current_path) }
    set(:current_release) { fetch(:current_path) }

    set(:current_revision) { capture("cd #{current_path}; git rev-parse --short HEAD").strip }
    set(:latest_revision) { capture("cd #{current_path}; git rev-parse --short HEAD").strip }
    set(:previous_revision) { capture("cd #{current_path}; git rev-parse --short HEAD@{1}").strip }

    default_environment["RAILS_ENV"] = 'production'

    #default_environment["PATH"] = "/bin/bash"
    #default_environment["GEM_HOME"] = "/usr/local/rvm/gems/ruby-1.9.3-p125"
    #default_environment["GEM_PATH"] = "/usr/local/rvm/gems/ruby-1.9.3-p125"
    #default_environment["RUBY_VERSION"] = "ruby 1.9.3p125"
    #default_run_options[:shell] = 'bash'

    namespace :deploy do
    desc "Deploy your application"
    task :default do
    update
    restart
    end

    desc "Setup your git-based deployment app"
    task :setup, :except => {:no_release => true} do
    dirs = [deploy_to, shared_path]
    dirs += shared_children.map { |d| File.join(shared_path, d) }
    run "#{try_sudo} mkdir -p #{dirs.join(' ')} && #{try_sudo} chmod g+w #{dirs.join(' ')}"
    run "git clone #{repository} #{current_path}"
    end

    task :cold do
    update
    migrate
    end

    task :update do
    transaction do
    update_code
    end
    end

    desc "Update the deployed code."
    task :update_code, :except => {:no_release => true} do
    run "cd #{current_path}; git fetch origin; git reset --hard #{branch}"
    finalize_update
    end

    desc "Update the database (overwritten to avoid symlink)"
    task :migrations do
    transaction do
    update_code
    end
    migrate
    restart
    end

    task :finalize_update, :except => {:no_release => true} do
    run "chmod -R g+w #{latest_release}" if fetch(:group_writable, true)

    # mkdir -p is making sure that the directories are there for some SCM's that don't
    # save empty folders
    run <<-CMD
    rm -rf #{latest_release}/log #{latest_release}/public/system #{latest_release}/tmp/pids &&
    mkdir -p #{latest_release}/public &&
    mkdir -p #{latest_release}/tmp &&
    ln -s #{shared_path}/log #{latest_release}/log &&
    ln -s #{shared_path}/system #{latest_release}/public/system &&
    ln -s #{shared_path}/pids #{latest_release}/tmp/pids
    CMD

    if fetch(:normalize_asset_timestamps, true)
    stamp = Time.now.utc.strftime("%Y%m%d%H%M.%S")
    asset_paths = fetch(:public_children, %w(images stylesheets javascripts)).map { |p| "#{latest_release}/public/#{p}" }.join(" ")
    run "find #{asset_paths} -exec touch -t #{stamp} {} ';'; true", :env => {"TZ" => "UTC"}
    end
    end

    desc "Zero-downtime restart of Unicorn"
    task :restart, :except => {:no_release => true} do
    #run "kill -s USR2 'cat /srv/paintings/shared/pids/unicorn.pid'"
    run "kill -s USR2 'cat /srv/paintings/shared/tmp/unicorn.pid'"
    end

    desc "Start unicorn"
    task :start, :except => {:no_release => true} do
    run "cd #{current_path} ; bundle exec unicorn_rails -c config/unicorn.rb -D"
    end

    desc "Stop unicorn"
    task :stop, :except => {:no_release => true} do
    #run "kill -s QUIT 'cat /srv/paintings/shared/pids/unicorn.pid'"
    run "kill -s QUIT 'cat /tmp/unicorn.pid'"
    end

    namespace :rollback do
    desc "Moves the repo back to the previous version of HEAD"
    task :repo, :except => {:no_release => true} do
    set :branch, "HEAD@{1}"
    deploy.default
    end

    desc "Rewrite reflog so HEAD@{1} will continue to point to at the next previous release."
    task :cleanup, :except => {:no_release => true} do
    run "cd #{current_path}; git reflog delete --rewrite HEAD@{1}; git reflog delete --rewrite HEAD@{1}"
    end

    desc "Rolls back to the previously deployed version."
    task :default do
    rollback.repo
    rollback.cleanup
    end
    end
    end

    def run_rake(cmd)
    run "cd #{current_path}; #{rake} #{cmd}"
    end

    最佳答案

    我正在使用非常相似的 deploy.rb ,但我的 finalize_update 中还有一个符号链接(symbolic link)方法:

    ln -sf #{shared_path}/database.yml #{latest_release}/config/database.yml

    关于ruby-on-rails -/config/database.yml in .gitignore on deploy/config/database.yml not found 应该使用/shared/database.yml 代替,如何?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/9750555/

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