integ/database/mariadb/centos/files/mysql-check-socket.sh
Scott Little 32e03b2cdd Relocate mariadb to stx-integ/database/mariadb
Move content from stx-gplv2 into stx-integ

Packages will be relocated to

stx-integ:
    base/
        bash
        cgcs-users
        cluster-resource-agents
        dpkg
        haproxy
        libfdt
        netpbm
        rpm

    database/
        mariadb

    filesystem/
        iscsi-initiator-utils

    filesystem/drbd/
        drbd-tools

    kernel/kernel-modules/
        drbd
        integrity
        intel-e1000e
        intel-i40e
        intel-i40evf
        intel-ixgbe
        intel-ixgbevf
        qat17
        tpmdd

    ldap/
        ldapscripts

    networking/
        iptables
        net-tools

Change-Id: Ibc2ad09bef7a7f40e337513a1694a22f38d7f4e9
Story: 2002801
Task: 22687
Signed-off-by: Scott Little <scott.little@windriver.com>
2018-08-01 15:31:55 -04:00

40 lines
1.4 KiB
Bash

#!/bin/sh
# We check if there is already a process using the socket file,
# since otherwise the systemd service file could report false
# positive result when starting and mysqld_safe could remove
# a socket file, which is actually being used by a different daemon.
source "`dirname ${BASH_SOURCE[0]}`/mysql-scripts-common"
if test -e "$socketfile" ; then
echo "Socket file $socketfile exists." >&2
# no write permissions
if ! test -w "$socketfile" ; then
echo "Not enough permission to write to the socket file $socketfile, which is suspicious." >&2
echo "Please, remove $socketfile manually to start the service." >&2
exit 1
fi
# not a socket file
if ! test -S "$socketfile" ; then
echo "The file $socketfile is not a socket file, which is suspicious." >&2
echo "Please, remove $socketfile manually to start the service." >&2
exit 1
fi
# some process uses the socket file
if fuser "$socketfile" &>/dev/null ; then
socketpid=$(fuser "$socketfile" 2>/dev/null)
echo "Is another MySQL daemon already running with the same unix socket?" >&2
echo "Please, stop the process $socketpid or remove $socketfile manually to start the service." >&2
exit 1
fi
# socket file is a garbage
echo "No process is using $socketfile, which means it is a garbage, so it will be removed automatically." >&2
fi
exit 0