sh master.sh
ではなく、/etc/keepalived/master.sh
では起動できるのでしょうか?
また、以下のように、/bin/sh でシェルスクリプトを引数にしても実行できませんでしょうか。
notify_master "/bin/sh /etc/keepalived/master.sh"
notify_backup "/bin/sh /etc/keepalived/backup.sh"
(2017/06/27 14:16) 追記
実行権限(x)が必要です。
chmod +x master.sh
または chmod u+x master.sh
実行権限の問題であれば、/bin/sh で実行できると思うのですが、ログを出してみるとどうでしょう。
notify_master "/bin/sh -x /etc/keepalived/master.sh >/tmp/master.log 2>&1"
notify_backup "/bin/sh -x /etc/keepalived/backup.sh >/tmp/backup.log 2>&1"
(2017/06/27 15:12) 追記
同じ環境ですが、問題なく実行できました。
こちらでは再現できないので、何とも言えませんが、strace でトレースすると何か違いがあるかもしれません。
[root]# strace -f -e open,execve -o /tmp/strace.log /usr/sbin/keepalived -D
(/bin/sh 実行箇所を抜粋)
1522 open("/bin/sh", O_RDONLY) = 15
1521 open("/etc/keepalived/keepalived.conf", O_RDONLY) = 10
1521 open("/etc/resolv.conf", O_RDONLY|O_CLOEXEC) = 10
1521 open("/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 10
1521 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 10
1521 open("/lib64/libnss_files.so.2", O_RDONLY|O_CLOEXEC) = 10
1521 open("/etc/host.conf", O_RDONLY|O_CLOEXEC) = 10
1521 open("/etc/hosts", O_RDONLY|O_CLOEXEC) = 10
1523 open("/dev/null", O_RDWR) = 15
1521 open("/dev/urandom", O_RDONLY|O_NOCTTY|O_NONBLOCK) = 10
1524 execve("/bin/sh", ["sh", "-c", "/bin/sh -x /etc/keepalived/backu"...], [/* 24 vars */]) = 0
1524 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
1524 open("/lib64/libtinfo.so.5", O_RDONLY|O_CLOEXEC) = 3
1524 open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
1524 open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
1524 open("/dev/tty", O_RDWR|O_NONBLOCK) = -1 ENXIO (No such device or address)
1524 open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
1524 open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 3
1524 open("/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
1525 open("/tmp/backup.log", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
1525 execve("/bin/sh", ["/bin/sh", "-x", "/etc/keepalived/backup.sh"], [/* 23 vars */]) = 0
1525 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
1525 open("/lib64/libtinfo.so.5", O_RDONLY|O_CLOEXEC) = 3
1525 open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
1525 open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
1525 open("/dev/tty", O_RDWR|O_NONBLOCK) = -1 ENXIO (No such device or address)
1525 open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
1525 open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 3
1525 open("/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
1525 open("/etc/keepalived/backup.sh", O_RDONLY) = 3
1526 execve("/usr/bin/systemctl", ["systemctl", "stop", "httpd.service"], [/* 23 vars */]) = 0
(中略)
1522 open("/bin/sh", O_RDONLY) = 14
1531 open("/dev/null", O_RDWR) = 14
1532 execve("/bin/sh", ["sh", "-c", "/bin/sh -x /etc/keepalived/maste"...], [/* 24 vars */]) = 0
1532 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
1532 open("/lib64/libtinfo.so.5", O_RDONLY|O_CLOEXEC) = 3
1532 open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
1532 open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
1532 open("/dev/tty", O_RDWR|O_NONBLOCK) = -1 ENXIO (No such device or address)
1532 open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
1532 open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 3
1532 open("/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
1533 open("/tmp/master.log", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
1533 execve("/bin/sh", ["/bin/sh", "-x", "/etc/keepalived/master.sh"], [/* 23 vars */]) = 0
1533 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
1533 open("/lib64/libtinfo.so.5", O_RDONLY|O_CLOEXEC) = 3
1533 open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
1533 open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
1533 open("/dev/tty", O_RDWR|O_NONBLOCK) = -1 ENXIO (No such device or address)
1533 open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
1533 open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 3
1533 open("/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
1533 open("/etc/keepalived/master.sh", O_RDONLY) = 3
1534 execve("/usr/bin/systemctl", ["systemctl", "start", "httpd.service"], [/* 23 vars */]) = 0