5

使用 capistrano 进行部署。一切正常,然后在 deploy:start (在 deploy:cold 期间)时,会产生一个错误:

  * ←[32m2013-03-14 15:03:05 executing `deploy:start'←[0m
  * ←[33mexecuting "/etc/init.d/unicorn_appname start"←[0m
    servers: ["XXX.XXX.131.4"]
    [XXX.XXX.131.4] executing command
 ** [out :: XXX.XXX.131.4] sh: /etc/init.d/unicorn_appname: not found
    ←[2;37mcommand finished in 1572ms←[0m
failed: "sh -c '/etc/init.d/unicorn_appname start'" on XXX.XXX.131.4

有问题的文件存在。这是它的内容:

#!/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=${TIMEOUT-60}
APP_ROOT=/root/apps/appname/current
PID=$APP_ROOT/tmp/pids/unicorn.pid
CMD="cd $APP_ROOT; bundle exec unicorn -D -c $APP_ROOT/config/unicorn.rb -E production"
AS_USER=root
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

尝试通过 ssh (sh -c '/etc/init.d/unicorn_appname start') 运行命令后,我遇到了同样的错误。

可能是什么原因?

4

3 回答 3

1

如果您从相对路径与绝对路径进行符号链接,这很可能会发生。尝试通过提供绝对路径再次进行符号链接。

chmod +x /home/username/app/app_name/current/config/unicorn_init.sh

ln -nfs /home/username/app/app_name/current/config/unicorn_init.sh /etc/init.d/unicorn_app_name

看看这是否有效

于 2013-03-14T11:46:04.663 回答
1

谢谢大家的建议。问题终于解决了。问题出在从 Windows 机器上进行部署 - .sh 文件具有 Windows 样式的行结尾,无法被 unix 正确读取。解决方案是相应地更改 IDE 设置(对于 Rubymine:文件->设置->代码样式->常规->行分隔符->unix)并重新创建文件。然后: git add 。git commit -m "fix" git push cap deploy:setup cap deploy:cold

完毕!再次感谢大家!

PS:有人知道为什么资产管道在部署后不能工作吗?

于 2013-03-14T21:21:03.690 回答
0

您的 capistrano deploy:start 任务应为

task :start, :roles => :app, :except => { :no_release => true } do
  run "/etc/init.d/unicorn start"
end

除非你故意将你的独角兽初始化文件命名为 /etc/init.d/unicorn_appname。

capistrano 部署用户是否对该文件具有执行权限?

于 2013-03-14T12:16:27.997 回答