This file is indexed.

/etc/init/mysql.conf is in mysql-server-5.7 5.7.11-0ubuntu6.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
description     "MySQL 5.7 Server"
author          "Mario Limonciello <superm1@ubuntu.com>"

start on runlevel [2345]
stop on starting rc RUNLEVEL=[016]

respawn
respawn limit 2 5

env HOME=/etc/mysql
umask 007

# The default of 5 seconds is too low for mysql which needs to flush buffers
kill timeout 300

pre-start script
    ## Fetch a particular option from mysql's invocation.
    # Usage: void mysqld_get_param option
    mysqld_get_param() {
      /usr/sbin/mysqld --print-defaults \
        | tr " " "\n" \
        | grep -- "--$1" \
        | tail -n 1 \
        | cut -d= -f2
    }

    # priority can be overriden and "-s" adds output to stderr
    ERR_LOGGER="logger -p daemon.err -t /etc/init/mysql.conf -i"

    #Sanity checks
    [ -r $HOME/my.cnf ]
    [ -d /var/run/mysqld ] || install -m 755 -o mysql -g root -d /var/run/mysqld
    /lib/init/apparmor-profile-load usr.sbin.mysqld

    # check for diskspace shortage
    datadir=`mysqld_get_param datadir`
    BLOCKSIZE=`LC_ALL=C df --portability $datadir/. | tail -n 1 | awk '{print $4}'`
    if [ $BLOCKSIZE -le 4096 ] ; then
      echo "$0: ERROR: The partition with $datadir is too full!" >&2
      echo "ERROR: The partition with $datadir is too full!" | $ERR_LOGGER
      exit 1
    fi
end script

exec /usr/sbin/mysqld

post-start script
   for i in `seq 1 30` ; do
        /usr/bin/mysqladmin --defaults-file="${HOME}"/debian.cnf ping && {
            exec "${HOME}"/debian-start
            # should not reach this line
            exit 2
        }
        statusnow=`status`
        if echo $statusnow | grep -q 'stop/' ; then
            exit 0
        elif echo $statusnow | grep -q 'respawn/' ; then
            exit 1
        fi
        sleep 1
    done
    exit 1
end script