Capistrano部署：从独角兽开始 [英] Capistrano deploy:start with unicorn

问题描述

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

Deploying with capistrano. Everything goes fine, and then while deploy:start (during deploy:cold), it produces an error:

  * ←[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

该文件存在。内容如下：

The file in question exists. Here's it's contents:

#!/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运行命令（sh -c'/ etc / init.d / unicorn_appname start'），我遇到了相同的错误。

Having tried to run the command through ssh (sh -c '/etc/init.d/unicorn_appname start'), I've encountered the same error.

可能是什么原因？

推荐答案

谢谢大家的建议。
问题终于解决了。
问题出在从Windows机器进行部署-.sh文件具有Windows样式的行尾，并且不能被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修复
git push
上限部署：设置
上限部署：冷

Thank you all for the suggestions. The problem is finally solved. The issue turned out to be with deployment from a windows machine - .sh file had Windows-styled line endings and could not be correctly read by unix. The solution was in changing IDE settings accordingly (for Rubymine: File->Settings->Code style->General->Line separator->unix) and recreating the file. Then: git add . git commit -m "fix" git push cap deploy:setup cap deploy:cold

完成！
再次感谢eveybody！

Done! Thanks again eveybody!

P.S .：有人知道为什么部署后资产管道无法正常工作吗？

P.S.: does anybody know why can asset pipeline not work after deployment?

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