init.dスクリプトをsystemdに移植します。

#!/bin/sh

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON="/usr/local/bin/redis-server"
PIDFILE="/var/run/redis/redis_7128.pid"
RUNDIR="/var/run/redis"
REDIS_USER="redis"
DAEMON_ARGS="/etc/redis/redis_7128.conf"
REDISPORT="7128"

case "$1" in
  start)
        echo -n "Starting $DAEMON: "
        touch $PIDFILE
        chown redis:redis $PIDFILE
        chmod 755 $RUNDIR

        if [ -n "$ULIMIT" ]
        then
                ulimit -n $ULIMIT
        fi

        if start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --chuid $REDIS_USER:$REDIS_USER --exec $DAEMON -- $DAEMON_ARGS
        then
                echo "$NAME."
        else
                echo "failed"
        fi
        ;;
  stop)
        echo -n "Stopping $DESC: "
        if start-stop-daemon --stop --retry forever/TERM/1 --quiet --oknodo --pidfile $PIDFILE --exec $DAEMON
        then
                echo "$NAME."
        else
                echo "failed"
        fi
        rm -f $PIDFILE
        sleep 1
        ;;

  restart|force-reload)
        ${0} stop
        ${0} start
        ;;

  status)
        echo -n "$DESC is "
        if start-stop-daemon --stop --quiet --signal 0 --name ${NAME} --pidfile ${PIDFILE}
        then
                echo "running"
        else
                echo "not running"
                exit 1
        fi
        ;;

  *)
        echo "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload|status}" >&2
        exit 1
        ;;
esac

exit 0

について上記のスクリプトを作成しましたinit.d。に移植したいですsystemd。

自分で作成して保存しましたが、/etc/systemd/system/redis.service変数は拡張されません。

[Unit]
Description=My Redis Service

[Service]
Type=forking
#User=redis
Restart=on-failure
RemainAfterExit=yes
EnvironmentFile=/etc/systemd/system/redisenv
ExecStart=start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --chuid $REDIS_USER:$REDIS_USER --exec $DAEMON -- $DAEMON_ARGS
ExecStart=echo -n "Starting $DAEMON: "
ExecStart=touch $PIDFILE
ExecStart=chown redis:redis $PIDFILE
ExecStart=chmod 755 $RUNDIR
ExecStart=if [ -n "$ULIMIT" ];then ulimit -n $ULIMIT ;fi  
ExecStart=if start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --chuid $REDIS_USER:$REDIS_USER --exec $DAEMON -- $DAEMON_ARGS ;then echo "$NAME." ; else echo "failed"; fi  

ExecStop=start-stop-daemon --stop --retry forever/TERM/1 --quiet --oknodo --pidfile $PIDFILE --exec $DAEMON

[Install]
WantedBy=multi-user.target

EnvironmentFile移植時に書いた内容は保存しました。/etc/systemd/system/redisenv

SECRET=pGNqduRFkB4K9C2vijOmUDa2kPtUhArN
ANOTHER_SECRET=JP8YLOc2bsNlrGuD6LVTq7L36obpjzxd
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/local/bin/redis-server
PIDFILE=/var/run/redis/redis_6382.pid
RUNDIR=/var/run/redis
REDIS_USER=redis
DAEMON_ARGS=/etc/redis/redis_6382.conf
REDISPORT=6382

それから私はそうでした。

sudo chmod 777 /etc/systemd/system/redis.service
sudo chmod 777 /etc/systemd/system/redisenv
sudo systemctl daemon-reload
sudo systemctl start redis-service

しかしそれは戻ってくる

Failed to start redis.service: Unit redis.service is not loaded properly: Invalid argument. 
See system logs and 'systemctl status redis.service' for details.

そしてsudo systemctl status redis.service戻ってくる

● redis.service - My Redis Service                                                                                                                                                                                                                                            
   Loaded: error (Reason: Invalid argument)                                                                                                                                                                                                                                   
   Active: inactive (dead)

Aug 14 19:11:31 squid2 systemd[1]: [/etc/systemd/system/redis.service:16] Executable path is not absolute, ignoring: if start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --chuid $REDIS_USER:$REDIS_USER --exec $DAEMON -- $DAEMON_ARGS ;then echo "$NAME." ; 
Aug 14 19:11:31 squid2 systemd[1]: redis.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:10] Executable path is not absolute, ignoring: start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --chuid $REDIS_USER:$REDIS_USER --exec $DAEMON -- $DAEMON_ARGS
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:11] Executable path is not absolute, ignoring: echo -n "Starting $DAEMON: "
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:12] Executable path is not absolute, ignoring: touch $PIDFILE
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:13] Executable path is not absolute, ignoring: chown redis:redis $PIDFILE
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:14] Executable path is not absolute, ignoring: chmod 755 $RUNDIR
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:15] Executable path is not absolute, ignoring: if [ -n "$ULIMIT" ];then ulimit -n $ULIMIT ;fi
Aug 14 19:11:37 squid2 systemd[1]: [/etc/systemd/system/redis.service:16] Executable path is not absolute, ignoring: if start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --chuid $REDIS_USER:$REDIS_USER --exec $DAEMON -- $DAEMON_ARGS ;then echo "$NAME." ; 
Aug 14 19:11:37 squid2 systemd[1]: redis.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.

スクリプトをinit.d移植するのに役立ちましたかsystemd？

私が見た最初の問題は、変数が変数ではなくスクリプトの拡張が起こらないということです。