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我正在尝试托管我的第一个 rails 应用程序，但出现以下错误。

    servers: ["208.68.37.172"]
    [208.68.37.172] executing command
    command finished in 1098ms
    triggering after callbacks for `deploy:update_code'
  * executing `deploy:assets:precompile'
  * executing "cd /home/deployer/apps/cf/current && env RBENV_VERSION=\"1.9.3-p194\" /home/deployer/.rbenv/bin/rbenv exec bundle exec rake RAILS_ENV=production RAILS_GROUPS=assets assets:precompile --trace"
    servers: ["208.68.37.172"]
    [208.68.37.172] executing command
 ** [out :: 208.68.37.172] sh: 1: cd:
 ** [out :: 208.68.37.172] can't cd to /home/deployer/apps/cf/current
 ** [out :: 208.68.37.172] 
    command finished in 1660ms
*** [deploy:update_code] rolling back
  * executing "rm -rf /home/deployer/apps/cf/releases/20121117131510; true"
    servers: ["208.68.37.172"]
    [208.68.37.172] executing command
    command finished in 2548ms
failed: "sh -c 'cd /home/deployer/apps/cf/current && env RBENV_VERSION=\"1.9.3-p194\" /home/deployer/.rbenv/bin/rbenv exec bundle exec rake RAILS_ENV=production RAILS_GROUPS=assets assets:precompile --trace'" on 208.68.37.172

我的 deploy.rb 在下面

require 'capistrano-rbenv'
require "bundler/capistrano"


server "208.68.37.172", :web, :app, :db, primary: true

set :application, "cf"
set :user, "deployer"
set :deploy_to, "/home/#{user}/apps/#{application}"
set :deploy_via, :remote_cache
set :use_sudo, false



set :scm, "git"
set :repository, "git@github.com:ramza1/#{application}.git"
set :branch, "master"

default_run_options[:pty] = true
ssh_options[:forward_agent] = true

after "deploy", "deploy:cleanup" # keep only the last 5 releases

namespace :deploy do
  %w[start stop restart].each do |command|
    desc "#{command} unicorn server"
    task command, roles: :app, except: {no_release: true} do
      run "/etc/init.d/unicorn_#{application} #{command}"
    end
  end

  namespace :assets do
    task :precompile, :roles => :web, :except => { :no_release => true } do
      run "cd #{current_path} && #{rake} RAILS_ENV=#{rails_env} RAILS_GROUPS=assets assets:precompile --trace"
    end
  end

  task :setup_config, roles: :app do
    sudo "ln -nfs #{current_path}/config/nginx.conf /etc/nginx/sites-enabled/#{application}"
    sudo "ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{application}"
    run "mkdir -p #{shared_path}/config"
    put File.read("config/database.example.yml"), "#{shared_path}/config/database.yml"
    puts "Now edit the config files in #{shared_path}."
  end
  after "deploy:setup", "deploy:setup_config"

  task :symlink_config, roles: :app do
    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml"
  end
  after "deploy:finalize_update", "deploy:symlink_config"

  desc "Make sure local git is in sync with remote."
  task :check_revision, roles: :web do
    unless `git rev-parse HEAD` == `git rev-parse origin/master`
      puts "WARNING: HEAD is not the same as origin/master"
      puts "Run `git push` to sync changes."
      exit
    end
  end
  before "deploy", "deploy:check_revision"


end

我的 unicorn.rb 在下面

root = "/home/deployer/apps/cf/current"
working_directory root
pid "#{root}/tmp/pids/unicorn.pid"
stderr_path "#{root}/log/unicorn.log"
stdout_path "#{root}/log/unicorn.log"

listen "/tmp/unicorn.blog.sock"
worker_processes 2
timeout 30

nginx.conf

upstream unicorn {
  server unix:/tmp/unicorn.cf.sock fail_timeout=0;
}

server {
  listen 80 default deferred;
  server_name completefashiononline.com;
  root /home/deployer/apps/cf/current/public;

  location ^~ /assets/ {
    gzip_static on;
    expires max;
    add_header Cache-Control public;
  }

  try_files $uri/index.html $uri @unicorn;
  location @unicorn {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_pass http://unicorn;
  }

  error_page 500 502 503 504 /500.html;
  client_max_body_size 4G;
  keepalive_timeout 10;
}

unicorn_init.sh

#!/bin/sh
### BEGIN INIT INFO
# Provides:          unicorn
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Manage unicorn server
# Description:       Start, stop, restart unicorn server for a specific application.
### END INIT INFO
set -e

# Feel free to change any of the following variables for your app:
TIMEOUT=${TIMEOUT-60}
APP_ROOT=/home/deployer/apps/cf/current
PID=$APP_ROOT/tmp/pids/unicorn.pid
CMD="cd $APP_ROOT; bundle exec unicorn -D -c $APP_ROOT/config/unicorn.rb -E production"
AS_USER=deployer
set -u

OLD_PIN="$PID.oldbin"

sig () {
  test -s "$PID" && kill -$1 `cat $PID`
}

oldsig () {
  test -s $OLD_PIN && kill -$1 `cat $OLD_PIN`
}

run () {
  if [ "$(id -un)" = "$AS_USER" ]; then
    eval $1
  else
    su -c "$1" - $AS_USER
  fi
}

case "$1" in
start)
  sig 0 && echo >&2 "Already running" && exit 0
  run "$CMD"
  ;;
stop)
  sig QUIT && exit 0
  echo >&2 "Not running"
  ;;
force-stop)
  sig TERM && exit 0
  echo >&2 "Not running"
  ;;
restart|reload)
  sig HUP && echo reloaded OK && exit 0
  echo >&2 "Couldn't reload, starting '$CMD' instead"
  run "$CMD"
  ;;
upgrade)
  if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
  then
    n=$TIMEOUT
    while test -s $OLD_PIN && test $n -ge 0
    do
      printf '.' && sleep 1 && n=$(( $n - 1 ))
    done
    echo

    if test $n -lt 0 && test -s $OLD_PIN
    then
      echo >&2 "$OLD_PIN still exists after $TIMEOUT seconds"
      exit 1
    fi
    exit 0
  fi
  echo >&2 "Couldn't upgrade, starting '$CMD' instead"
  run "$CMD"
  ;;
reopen-logs)
  sig USR1
  ;;
*)
  echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
  exit 1
  ;;
esac

这就是我用过的所有东西。请帮助解决这个问题。谢谢你

4

1 回答 1

1

基本上，您正在运行您的资产预编译任务，该任务在 deploy:update_code 之后立即运行。此时，base_path 中没有“当前”目录。这就是您收到该错误的原因。

您应该更改它，以便 assets:precompile 任务在 deploy:finalize_update 之后运行，或者更好的是，使用内置的资产预编译。

您可以通过将其添加到您的 Capfile 来做到这一点：

load 'deploy/assets'
于 2012-11-19T09:21:40.290 回答