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39 lines
1.5 KiB
39 lines
1.5 KiB
#!/bin/sh |
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# We check if there is already a process using the socket file, |
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# since otherwise the systemd service file could report false |
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# positive result when starting and mysqld_safe could remove |
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# a socket file, which is actually being used by a different daemon. |
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source "`dirname ${BASH_SOURCE[0]}`/mysql-scripts-common" |
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if test -e "$socketfile" ; then |
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echo "Socket file $socketfile exists." >&2 |
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# no write permissions |
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if ! test -w "$socketfile" ; then |
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echo "Not enough permission to write to the socket file $socketfile, which is suspicious." >&2 |
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echo "Please, remove $socketfile manually to start the service." >&2 |
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exit 1 |
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fi |
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# not a socket file |
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if ! test -S "$socketfile" ; then |
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echo "The file $socketfile is not a socket file, which is suspicious." >&2 |
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echo "Please, remove $socketfile manually to start the service." >&2 |
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exit 1 |
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fi |
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# some process uses the socket file |
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response=`@bindir@/mysqladmin --no-defaults --socket="$socketfile" --user=UNKNOWN_MYSQL_USER --connect-timeout="${CHECKSOCKETTIMEOUT:-10}" ping 2>&1` |
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if [ $? -eq 0 ] || echo "$response" | grep -q "Access denied for user" ; then |
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echo "Is another MySQL daemon already running with the same unix socket?" >&2 |
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echo "Please, stop the process using the socket $socketfile or remove the file manually to start the service." >&2 |
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exit 1 |
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fi |
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# socket file is a garbage |
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echo "No process is using $socketfile, which means it is a garbage, so it will be removed automatically." >&2 |
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fi |
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exit 0
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